x2d80
[  209.314232]  ? __mutex_add_waiter+0x2a0/0x2a0
[  209.314242]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  209.314250]  ? find_next_bit+0x104/0x130
[  209.314263]  __alloc_pages_slowpath+0x2318/0x2d80
[  209.314285]  ? warn_alloc+0x120/0x120
[  209.314294]  ? __radix_tree_lookup+0x4c0/0x4c0
[  209.314309]  ? find_get_entry+0x2f2/0xc40
[  209.314318]  ? mark_held_locks+0x130/0x130
[  209.314332]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  209.314342]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  209.314351]  ? should_fail+0x22d/0xd01
[  209.314361]  ? ___might_sleep+0x1ed/0x300
[  209.314369]  ? lock_release+0x970/0x970
[  209.314380]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  209.314390]  ? lock_downgrade+0x900/0x900
[  209.314403]  ? __might_sleep+0x95/0x190
[  209.314415]  ? __alloc_pages_nodemask+0x6e4/0xde0
[  209.314426]  ? update_cfs_rq_load_avg.part.64+0x18c/0x2e0
[  209.314437]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  209.314451]  ? lock_downgrade+0x900/0x900
[  209.314462]  ? ___might_sleep+0x1ed/0x300
[  209.314471]  ? lock_release+0x970/0x970
[  209.314481]  ? arch_local_save_flags+0x40/0x40
[  209.314491]  ? attach_entity_load_avg+0x860/0x860
[  209.314502]  ? mark_held_locks+0x130/0x130
[  209.314514]  ? __might_sleep+0x95/0x190
[  209.314526]  __alloc_pages_nodemask+0xa80/0xde0
[  209.314539]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  209.314550]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  209.314562]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  209.314581]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  209.314592]  ? __do_page_cache_readahead+0x7ce/0x980
[  209.314626]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  209.314637]  alloc_pages_current+0x10c/0x210
[  209.314647]  ? lock_downgrade+0x900/0x900
[  209.314659]  __page_cache_alloc+0x38f/0x5b0
[  209.314670]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  209.314681]  ? ext4_filemap_fault+0x82/0xad
[  209.314692]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  209.314702]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  209.314714]  ? check_preemption_disabled+0x48/0x200
[  209.314728]  filemap_fault+0x1594/0x25f0
[  209.314744]  ? __lock_page_or_retry+0xa00/0xa00
[  209.314756]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  209.314770]  ? lock_downgrade+0x900/0x900
[  209.314783]  ? filemap_map_pages+0xdea/0x1980
[  209.314796]  ? lock_is_held_type+0x210/0x210
[  209.314811]  ? find_get_pages_range_tag+0x1320/0x1320
[  209.314821]  ? pick_next_task_fair+0x658/0x16d0
[  209.314834]  ? __update_idle_core+0x2f7/0x600
[  209.314844]  ? lock_downgrade+0x900/0x900
[  209.314858]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  209.314870]  ? finish_task_switch+0x1f5/0x900
[  209.314882]  ? lock_acquire+0x1ed/0x520
[  209.314892]  ? ext4_filemap_fault+0x7a/0xad
[  209.314902]  ? trace_hardirqs_on+0xbd/0x310
[  209.314913]  ? lock_release+0x970/0x970
[  209.314924]  ? arch_local_save_flags+0x40/0x40
[  209.314933]  ? compat_start_thread+0x80/0x80
[  209.314944]  ? mark_held_locks+0x130/0x130
[  209.314960]  ? down_read+0xb0/0x1d0
[  209.314969]  ? ext4_filemap_fault+0x7a/0xad
[  209.314981]  ? __down_interruptible+0x700/0x700
[  209.314992]  ? mark_held_locks+0x130/0x130
[  209.315002]  ? __switch_to_asm+0x34/0x70
[  209.315010]  ? __switch_to_asm+0x40/0x70
[  209.315019]  ? __switch_to_asm+0x34/0x70
[  209.315028]  ? __switch_to_asm+0x40/0x70
[  209.315037]  ? __switch_to_asm+0x40/0x70
[  209.315057]  ext4_filemap_fault+0x82/0xad
[  209.315068]  __do_fault+0x100/0x6b0
[  209.315081]  ? print_bad_pte+0x6c0/0x6c0
[  209.315092]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  209.315101]  ? hrtimer_active+0x2db/0x440
[  209.315111]  ? pmd_val+0x88/0x100
[  209.315121]  ? add_mm_counter_fast+0xd0/0xd0
[  209.315130]  ? pmd_val+0x88/0x100
[  209.315141]  ? add_mm_counter_fast+0xd0/0xd0
[  209.315153]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  209.315166]  __handle_mm_fault+0x3709/0x53e0
[  209.315181]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  209.315194]  ? trace_hardirqs_on+0xbd/0x310
[  209.315202]  ? kasan_check_read+0x11/0x20
[  209.315213]  ? __free_object+0x173/0x340
[  209.315224]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  209.315240]  ? lock_acquire+0x1ed/0x520
[  209.315253]  ? handle_mm_fault+0x42a/0xc70
[  209.315263]  ? lock_downgrade+0x900/0x900
[  209.315277]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  209.315289]  ? __do_page_fault+0x67d/0xed0
[  209.315300]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  209.315311]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  209.315322]  ? check_preemption_disabled+0x48/0x200
[  209.315336]  handle_mm_fault+0x54f/0xc70
[  209.315349]  ? __handle_mm_fault+0x53e0/0x53e0
[  209.315360]  ? find_vma+0x34/0x190
[  209.315372]  __do_page_fault+0x67d/0xed0
[  209.315386]  ? mm_fault_error+0x380/0x380
[  209.315395]  ? trace_hardirqs_off+0xb8/0x310
[  209.315406]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  209.315417]  ? trace_hardirqs_on+0x310/0x310
[  209.315429]  do_page_fault+0xf2/0x7e0
[  209.315440]  ? vmalloc_sync_all+0x30/0x30
[  209.315451]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  209.315460]  ? error_entry+0x70/0xd0
[  209.315471]  ? trace_hardirqs_off_caller+0xbb/0x310
[  209.315480]  ? trace_hardirqs_on_caller+0xc0/0x310
[  209.315491]  ? syscall_return_slowpath+0x5e0/0x5e0
[  209.315501]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  209.315512]  ? trace_hardirqs_on_caller+0x310/0x310
[  209.315522]  ? trace_hardirqs_off+0x310/0x310
[  209.315533]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  209.315545]  ? prepare_exit_to_usermode+0x291/0x3b0
[  209.315555]  ? page_fault+0x8/0x30
[  209.315572]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  209.315583]  ? page_fault+0x8/0x30
[  209.315594]  page_fault+0x1e/0x30
[  209.315601] RIP: 0033:0x7f484b2e7e40
[  209.315607] Code: Bad RIP value.
[  209.315612] RSP: 002b:00007ffd87274798 EFLAGS: 00010246
[  209.315621] RAX: 0000000000000000 RBX: 00007ffd872748c0 RCX: 00007f484b2e7e40
[  209.315627] RDX: 0000000000000000 RSI: 00007ffd87274940 RDI: 00007ffd87274940
[  209.315634] RBP: 00007ffd87274840 R08: 00007ffd872747a0 R09: 0000000000000000
[  209.315640] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[  209.315646] R13: 00007ffd87274aa0 R14: 0000000000000000 R15: 0000000000000000
[  209.315665] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  209.315672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  209.315676] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  209.315678] Call Trace:
[  209.315682]  <IRQ>
[  209.315693]  dump_stack+0x1c4/0x2b4
[  209.315697] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  209.315708]  ? dump_stack_print_info.cold.2+0x52/0x52
[  209.315726]  warn_alloc.cold.119+0xb7/0x1bd
[  209.315738]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  209.315750]  ? lock_downgrade+0x900/0x900
[  209.315764]  ? trace_hardirqs_off+0xb8/0x310
[  209.315778]  ? trace_hardirqs_off+0xb8/0x310
[  209.315791]  __alloc_pages_slowpath+0x2667/0x2d80
[  209.315812]  ? warn_alloc+0x120/0x120
[  209.315830]  ? warn_alloc+0x120/0x120
[  209.342033] /
[  209.342711]  ? warn_alloc+0x120/0x120
[  209.347438]  mems_allowed=0
[  209.351303]  ? lock_release+0x970/0x970
[  209.351316]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  209.351330]  ? trace_hardirqs_on+0x310/0x310
[  209.351344]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  209.351357]  ? should_fail+0x22d/0xd01
[  209.351377]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  213.511901] warn_alloc: 4 callbacks suppressed
[  213.511916] init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  213.515209]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  213.520632] init cpuset=
[  213.526172]  ? should_fail+0x22d/0xd01
[  213.530374] /
[  213.534158]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  213.539486]  mems_allowed=0
[  213.544484]  ? should_fail+0x22d/0xd01
[  220.369549]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  220.374647]  ? mark_held_locks+0x130/0x130
[  220.378870]  ? mark_held_locks+0x130/0x130
[  220.383093]  ? kvm_clock_read+0x18/0x30
[  220.387062]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  220.392068]  ? ktime_get+0x2e1/0x440
[  220.395773]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.401301]  ? check_preemption_disabled+0x48/0x200
[  220.406307]  ? kasan_check_read+0x11/0x20
[  220.410447]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  220.415716]  ? rcu_bh_qs+0xc0/0xc0
[  220.419256]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.424777]  ? check_preemption_disabled+0x48/0x200
[  220.429782]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  220.434783]  ? widen_string+0xe0/0x2e0
[  220.438661]  __alloc_pages_nodemask+0xa80/0xde0
[  220.443329]  ? should_fail+0x22d/0xd01
[  220.447209]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  220.452224]  ? ____cache_alloc_node+0x1c7/0x1e0
[  220.458614]  ? lock_downgrade+0x900/0x900
[  220.462758]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.468288]  cache_grow_begin+0x91/0x8c0
[  220.473900]  ? do_raw_spin_unlock+0xa7/0x2f0
[  220.478337]  fallback_alloc+0x203/0x2e0
[  220.482304]  ____cache_alloc_node+0x1c7/0x1e0
[  220.486794]  kmem_cache_alloc_node+0xe3/0x730
[  220.491278]  ? ipv6_get_ifaddr+0x42e/0x620
[  220.495502]  __alloc_skb+0x119/0x770
[  220.499202]  ? skb_scrub_packet+0x490/0x490
[  220.503510]  ? lock_downgrade+0x900/0x900
[  220.507656]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.513327]  ? refcount_sub_and_test_checked+0x203/0x310
[  220.518812]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  220.524261]  ? addrconf_rs_timer+0x690/0x690
[  220.528664]  ndisc_alloc_skb+0x144/0x340
[  220.532716]  ndisc_send_rs+0x331/0x6e0
[  220.536594]  addrconf_rs_timer+0x314/0x690
[  220.540819]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  220.545081]  call_timer_fn+0x272/0x920
[  220.548968]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  220.553194]  ? process_timeout+0x40/0x40
[  220.557245]  ? trace_hardirqs_off+0xb8/0x310
[  220.561642]  ? kasan_check_read+0x11/0x20
[  220.565777]  ? do_raw_spin_unlock+0xa7/0x2f0
[  220.570176]  ? trace_hardirqs_on+0x310/0x310
[  220.574575]  ? __run_timers+0x7da/0xc70
[  220.578537]  ? lock_downgrade+0x900/0x900
[  220.582675]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  220.587766]  ? trace_hardirqs_on+0xbd/0x310
[  220.592077]  ? kasan_check_read+0x11/0x20
[  220.596223]  ? __run_timers+0x7da/0xc70
[  220.600186]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  220.605627]  ? kasan_check_write+0x14/0x20
[  220.609863]  ? do_raw_spin_lock+0xc1/0x200
[  220.614105]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  220.618332]  __run_timers+0x7e5/0xc70
[  220.622131]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  220.627483]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  220.632493]  ? timerqueue_add+0x207/0x2b0
[  220.636631]  ? enqueue_hrtimer+0x1a5/0x560
[  220.640853]  ? lock_release+0x970/0x970
[  220.644817]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  220.650091]  ? kasan_check_write+0x14/0x20
[  220.654322]  ? pvclock_read_flags+0x160/0x160
[  220.658895]  ? lock_downgrade+0x900/0x900
[  220.663039]  ? trace_hardirqs_on+0xbd/0x310
[  220.667351]  ? kvm_sched_clock_read+0x9/0x20
[  220.671749]  ? irq_exit+0x17f/0x1c0
[  220.675368]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.680898]  ? check_preemption_disabled+0x48/0x200
[  220.685903]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.691568]  run_timer_softirq+0x52/0xb0
[  220.695618]  ? __this_cpu_preempt_check+0x1c/0x1f
[  220.700463]  __do_softirq+0x30b/0xad8
[  220.704261]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  220.709356]  ? pvclock_read_flags+0x160/0x160
[  220.713839]  ? lapic_next_event+0x5a/0x90
[  220.717975]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.723501]  ? clockevents_program_event+0x140/0x370
[  220.728590]  ? kvm_clock_read+0x18/0x30
[  220.732551]  ? kvm_sched_clock_read+0x9/0x20
[  220.736949]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.742480]  ? check_preemption_disabled+0x48/0x200
[  220.747501]  irq_exit+0x17f/0x1c0
[  220.750944]  smp_apic_timer_interrupt+0x1cb/0x760
[  220.755773]  ? smp_reschedule_interrupt+0x109/0x650
[  220.760932]  ? smp_call_function_single_interrupt+0x650/0x650
[  220.766807]  ? interrupt_entry+0xb5/0xf0
[  220.770858]  ? trace_hardirqs_off_caller+0xbb/0x310
[  220.775862]  ? trace_hardirqs_off_caller+0xbb/0x310
[  220.780866]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  220.785699]  ? trace_hardirqs_on_caller+0x310/0x310
[  220.790711]  ? trace_hardirqs_on_caller+0x310/0x310
[  220.795713]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.801241]  ? check_preemption_disabled+0x48/0x200
[  220.806248]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  220.811087]  apic_timer_interrupt+0xf/0x20
[  220.815306]  </IRQ>
[  220.817536] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  220.822455] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  220.841343] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  220.849039] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  220.856302] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  220.863682] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  220.871043] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  220.878304] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  220.885574]  ? trace_hardirqs_on+0xb4/0x310
[  220.889888]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.895425]  skb_clone+0x1bb/0x500
[  220.898960]  ? finish_task_switch+0x2f5/0x900
[  220.903450]  ? skb_split+0x11e0/0x11e0
[  220.907328]  ? preempt_notifier_register+0x200/0x200
[  220.912417]  ? __switch_to_asm+0x34/0x70
[  220.916465]  ? __switch_to_asm+0x34/0x70
[  220.920511]  ? __switch_to_asm+0x40/0x70
[  220.924560]  ? __switch_to_asm+0x34/0x70
[  220.928604]  ? __switch_to_asm+0x40/0x70
[  220.932653]  ? __switch_to_asm+0x34/0x70
[  220.936703]  ? __switch_to_asm+0x40/0x70
[  220.940754]  ? __switch_to_asm+0x34/0x70
[  220.944801]  ? __switch_to_asm+0x34/0x70
[  220.948848]  ? __switch_to_asm+0x40/0x70
[  220.952895]  ? __switch_to_asm+0x34/0x70
[  220.956948]  bpf_clone_redirect+0xb9/0x490
[  220.961171]  ? __schedule+0x874/0x1ed0
[  220.965050]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  220.969981]  ? __sched_text_start+0x8/0x8
[  220.974121]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  220.978867]  ? retint_kernel+0x2d/0x2d
[  220.982747]  ? lock_acquire+0x1ed/0x520
[  220.986712]  ? bpf_test_run+0x32e/0x5a0
[  220.990676]  ? lock_release+0x970/0x970
[  220.994639]  ? preempt_schedule+0x4d/0x60
[  220.998795]  ? preempt_schedule_common+0x1f/0xd0
[  221.003542]  ? preempt_schedule+0x4d/0x60
[  221.007679]  ? ___preempt_schedule+0x16/0x18
[  221.012087]  ? bpf_test_run+0x1c0/0x5a0
[  221.016062]  ? netlink_diag_dump+0x2a0/0x2a0
[  221.020467]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  221.026007]  ? bpf_test_init.isra.9+0x70/0x100
[  221.030602]  ? bpf_prog_test_run_skb+0x634/0xb40
[  221.035353]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  221.040185]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  221.045712]  ? fput+0x130/0x1a0
[  221.048981]  ? __bpf_prog_get+0x9b/0x290
[  221.053061]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  221.057893]  ? bpf_prog_test_run+0x130/0x1a0
[  221.062290]  ? __x64_sys_bpf+0x3d8/0x510
[  221.066341]  ? bpf_prog_get+0x20/0x20
[  221.070140]  ? do_syscall_64+0x1b9/0x820
[  221.074191]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  221.079546]  ? syscall_return_slowpath+0x5e0/0x5e0
[  221.084467]  ? trace_hardirqs_on_caller+0x310/0x310
[  221.089471]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  221.094494]  ? recalc_sigpending_tsk+0x180/0x180
[  221.099241]  ? kasan_check_write+0x14/0x20
[  221.103468]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  221.108304]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  221.113664] warn_alloc_show_mem: 8 callbacks suppressed
[  221.113673] CPU: 1 PID: 1 Comm: init Not tainted 4.19.0-rc6+ #65
[  221.113675] Mem-Info:
[  221.113704] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  221.113704]  active_file:16 inactive_file:17 isolated_file:0
[  221.113704]  unevictable:0 dirty:0 writeback:0 unstable:0
[  221.113704]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  221.113704]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  221.113704]  free:13792 free_pcp:309 free_cma:0
[  221.119036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  221.125201] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  221.127587] Call Trace:
[  221.160619] Node 0 
[  221.169959]  <IRQ>
[  221.197821] 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
[  221.200659]  dump_stack+0x1c4/0x2b4
[  221.202859] lowmem_reserve[]:
[  221.204997]  ? dump_stack_print_info.cold.2+0x52/0x52
[  221.230470]  0
[  221.234107]  warn_alloc.cold.119+0xb7/0x1bd
[  221.237168]  2819
[  221.242342]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  221.244111]  6323
[  221.248419]  ? lock_downgrade+0x900/0x900
[  221.250464]  6323
[  221.255376]  ? trace_hardirqs_off+0xb8/0x310
[  221.261553]  ? trace_hardirqs_off+0xb8/0x310
[  221.263589] Node 0 
[  221.267983]  __alloc_pages_slowpath+0x2667/0x2d80
[  221.272373] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  221.272375] lowmem_reserve[]: 0 0 3503 3503
[  221.272387] Node 0 Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  221.272407] lowmem_reserve[]: 0 0 0 0
[  221.272419] 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
[  221.272467] Node 0 DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB
[  221.272520] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB
[  221.272581] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  221.274812]  ? warn_alloc+0x120/0x120
[  221.279616] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  221.306585]  ? warn_alloc+0x120/0x120
[  221.310872] 4986 total pagecache pages
[  221.340860]  ? lock_downgrade+0x900/0x900
[  221.344636] 0 pages in swap cache
[  221.344641] Swap cache stats: add 0, delete 0, find 0/0
[  221.344644] Free swap  = 0kB
[  221.344646] Total swap = 0kB
[  221.344649] 1965979 pages RAM
[  221.344652] 0 pages HighMem/MovableOnly
[  221.344654] 342307 pages reserved
[  221.344656] 0 pages cma reserved
[  221.344730] net_ratelimit: 3 callbacks suppressed
[  221.344735] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  221.344782] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  221.344785] syz-executor4 cpuset=syz4 mems_allowed=0
[  221.486129]  ? warn_alloc+0x120/0x120
[  221.489928]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.495966]  ? number+0x972/0xca0
[  221.499414]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  221.504943]  ? should_fail+0x22d/0xd01
[  221.508822]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  221.513914]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  221.519882]  ? should_fail+0x22d/0xd01
[  221.523763]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  221.528858]  ? should_fail+0x22d/0xd01
[  221.532741]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  221.537837]  ? mark_held_locks+0x130/0x130
[  221.542061]  ? mark_held_locks+0x130/0x130
[  221.546287]  ? free_unref_page_list+0x11e0/0x11e0
[  221.551119]  ? free_unref_page_list+0x11e0/0x11e0
[  221.555954]  ? scnprintf+0x130/0x130
[  221.559658]  ? get_page_from_freelist+0x5f8/0x5340
[  221.565107]  __alloc_pages_nodemask+0xa80/0xde0
[  221.569764]  ? should_fail+0x22d/0xd01
[  221.573645]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  221.578656]  ? __isolate_free_page+0x610/0x610
[  221.583235]  ? ____cache_alloc_node+0x1c7/0x1e0
[  221.587895]  ? lock_downgrade+0x900/0x900
[  221.592044]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.597572]  cache_grow_begin+0x91/0x8c0
[  221.601625]  ? do_raw_spin_unlock+0xa7/0x2f0
[  221.606036]  fallback_alloc+0x203/0x2e0
[  221.610012]  ____cache_alloc_node+0x1c7/0x1e0
[  221.614499]  kmem_cache_alloc+0x1f8/0x730
[  221.618647]  __build_skb+0xab/0x430
[  221.622264]  ? skb_try_coalesce+0x1b70/0x1b70
[  221.626752]  ? __alloc_pages_nodemask+0xde0/0xde0
[  221.631587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.637114]  ? check_preemption_disabled+0x48/0x200
[  221.642121]  __napi_alloc_skb+0x1d6/0x310
[  221.646265]  page_to_skb.isra.42+0xee/0x8d0
[  221.650669]  ? virtnet_remove+0xf0/0xf0
[  221.654634]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  221.660421]  ? mark_held_locks+0x130/0x130
[  221.664650]  ? update_load_avg+0x387/0x2470
[  221.668964]  receive_mergeable+0x155d/0x3af0
[  221.673366]  ? virtnet_probe+0x2240/0x2240
[  221.677592]  ? __isolate_free_page+0x610/0x610
[  221.682164]  ? rb_erase+0x3710/0x3710
[  221.685961]  ? mark_held_locks+0x130/0x130
[  221.690711]  ? update_load_avg+0x387/0x2470
[  221.695026]  ? cpuacct_charge+0x265/0x440
[  221.699165]  ? lock_downgrade+0x900/0x900
[  221.703300]  ? mark_held_locks+0x130/0x130
[  221.707531]  ? update_curr+0x4cf/0xbe0
[  221.711410]  ? lock_downgrade+0x900/0x900
[  221.715551]  ? check_preemption_disabled+0x48/0x200
[  221.720558]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  221.726779]  ? cpuacct_charge+0x282/0x440
[  221.730920]  ? cpuacct_css_alloc+0x160/0x160
[  221.735782]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  221.741486]  ? update_curr+0x4ec/0xbe0
[  221.745368]  ? __account_cfs_rq_runtime+0x790/0x790
[  221.750375]  ? isolate_lru_page+0x22e0/0x22e0
[  221.755377]  ? __update_load_avg_se+0x664/0xb90
[  221.761444]  ? mark_held_locks+0x130/0x130
[  221.767509]  ? account_entity_enqueue+0x3a3/0x660
[  221.772348]  ? __update_load_avg_blocked_se+0x730/0x730
[  221.777703]  ? __update_load_avg_se+0xb90/0xb90
[  221.782363]  ? mark_held_locks+0x130/0x130
[  221.786594]  ? update_load_avg+0x387/0x2470
[  221.790902]  ? put_prev_task_fair+0x80/0x80
[  221.795213]  ? __alloc_pages_slowpath+0x2667/0x2d80
[  221.800221]  ? attach_entity_load_avg+0x860/0x860
[  221.805064]  ? rb_erase+0x3710/0x3710
[  221.808855]  ? mark_held_locks+0x130/0x130
[  221.813083]  ? warn_alloc+0x120/0x120
[  221.817357]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.824197]  ? ring_buffer_record_is_on+0xe1/0x130
[  221.829119]  ? cpuacct_charge+0x265/0x440
[  221.833257]  ? lock_downgrade+0x900/0x900
[  221.837394]  ? __this_cpu_preempt_check+0x1c/0x1f
[  221.843434]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  221.849937]  ? update_curr+0x4cf/0xbe0
[  221.853814]  ? lock_downgrade+0x900/0x900
[  221.857954]  ? check_preemption_disabled+0x48/0x200
[  221.862967]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  221.868756]  ? cpuacct_charge+0x282/0x440
[  221.872894]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.878418]  ? __msecs_to_jiffies+0x4a/0x60
[  221.882729]  ? update_group_capacity+0xf9/0x1060
[  221.887940]  receive_buf+0xb3c/0x3280
[  221.891728]  ? update_curr+0x4ec/0xbe0
[  221.895607]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  221.900616]  ? receive_mergeable+0x3af0/0x3af0
[  221.905188]  ? update_sd_lb_stats+0x46c/0x2a40
[  221.909766]  ? check_preemption_disabled+0x48/0x200
[  221.914779]  ? mark_held_locks+0x130/0x130
[  221.919006]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  221.924540]  ? task_numa_migrate+0x2860/0x2860
[  221.929592]  ? mark_held_locks+0x130/0x130
[  221.933821]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.939348]  ? ring_buffer_record_is_on+0xe1/0x130
[  221.944265]  ? ring_buffer_nest_end+0xd0/0xd0
[  221.948749]  ? mark_held_locks+0x130/0x130
[  221.952978]  ? kasan_check_read+0x11/0x20
[  221.957119]  ? find_busiest_group+0x100/0x1d20
[  221.961692]  ? trace_find_filtered_pid.part.60+0x50/0x50
[  221.967134]  ? update_sd_lb_stats+0x2a40/0x2a40
[  221.971798]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.977323]  ? vring_use_dma_api+0xa5/0xc0
[  221.981552]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  221.987077]  ? vring_unmap_one+0x5a/0x410
[  221.991221]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  221.996745]  ? detach_buf+0x34b/0x5d0
[  222.000541]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  222.006081]  ? virtqueue_get_buf_ctx+0x3d5/0x820
[  222.010831]  ? detach_buf+0x5d0/0x5d0
[  222.014617]  ? load_balance+0x24f5/0x3430
[  222.018763]  virtnet_poll+0x421/0x105f
[  222.022647]  ? receive_buf+0x3280/0x3280
[  222.026704]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  222.032147]  ? lock_repin_lock+0x430/0x430
[  222.036387]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.041914]  ? check_preemption_disabled+0x48/0x200
[  222.046923]  net_rx_action+0x7c5/0x1950
[  222.050894]  ? napi_complete_done+0x6d0/0x6d0
[  222.055381]  ? mark_held_locks+0x130/0x130
[  222.059629]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  222.065427]  ? rebalance_domains+0x375/0xdc0
[  222.069833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.075357]  ? load_balance+0x3430/0x3430
[  222.079506]  ? mark_held_locks+0x130/0x130
[  222.083733]  ? trace_hardirqs_off+0xb8/0x310
[  222.088129]  ? mark_held_locks+0x130/0x130
[  222.092357]  ? trace_hardirqs_on+0x310/0x310
[  222.096760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.102288]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  222.109992]  ? credit_entropy_bits+0x667/0xa50
[  222.114938]  ? add_interrupt_randomness+0x4bc/0x870
[  222.119962]  ? crng_reseed+0x740/0x740
[  222.123841]  ? add_interrupt_randomness+0x47e/0x870
[  222.129361]  ? lock_downgrade+0x900/0x900
[  222.133506]  ? __mix_pool_bytes+0x100/0x440
[  222.137817]  ? lock_release+0x970/0x970
[  222.141789]  ? pvclock_read_flags+0x160/0x160
[  222.146284]  ? trace_hardirqs_on+0xbd/0x310
[  222.150592]  ? kvm_sched_clock_read+0x9/0x20
[  222.155495]  ? irq_exit+0x17f/0x1c0
[  222.160948]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  222.166399]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.171928]  ? check_preemption_disabled+0x48/0x200
[  222.176948]  __do_softirq+0x30b/0xad8
[  222.180747]  ? lock_downgrade+0x900/0x900
[  222.184891]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  222.189986]  ? pvclock_read_flags+0x160/0x160
[  222.194481]  ? kvm_clock_read+0x18/0x30
[  222.198444]  ? kvm_sched_clock_read+0x9/0x20
[  222.202859]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  222.208850]  ? check_preemption_disabled+0x48/0x200
[  222.214214]  irq_exit+0x17f/0x1c0
[  222.217660]  do_IRQ+0x111/0x1c0
[  222.220931]  common_interrupt+0xf/0xf
[  222.224724]  </IRQ>
[  222.226959] RIP: 0010:__sanitizer_cov_trace_pc+0x14/0x50
[  222.232405] Code: 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 65 48 8b 04 25 40 ee 01 00 65 8b 15 2c 18 83 7e <81> e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 d0 12 00 00 83 fa 02 75
[  222.251293] RSP: 0000:ffff8801d9a4e108 EFLAGS: 00000286 ORIG_RAX: ffffffffffffffd5
[  222.258995] RAX: ffff8801d9a40040 RBX: 0000000000000001 RCX: ffffffff81a69c65
[  222.266251] RDX: 0000000080000000 RSI: ffff8801d9a4e410 RDI: ffff8801d946cdf0
[  222.273507] RBP: ffff8801d9a4e108 R08: ffff8801d9a40040 R09: 0000000000000000
[  222.281227] R10: ffffed0043fffb78 R11: 0000000000000000 R12: ffff8801d9a4e410
[  222.288491] R13: ffff8801d946cdf0 R14: ffff8801d9a4e410 R15: ffff8801d946c6c0
[  222.296222]  ? do_shrink_slab+0x165/0xd20
[  222.300377]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  222.305989]  super_cache_count+0x23/0x2e0
[  222.310127]  do_shrink_slab+0x1a7/0xd20
[  222.314094]  ? lock_release+0x970/0x970
[  222.318059]  ? snapshot_refaults+0x290/0x290
[  222.322455]  ? percpu_ref_put_many+0x13e/0x260
[  222.327037]  ? ___might_sleep+0x1ed/0x300
[  222.331174]  ? down_read_trylock+0xff/0x1e0
[  222.335485]  ? shrink_slab+0x207/0x8c0
[  222.339366]  ? downgrade_write+0x2b0/0x2b0
[  222.343757]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  222.349280]  ? shrink_node_memcg+0xc82/0x18e0
[  222.353859]  shrink_slab+0x389/0x8c0
[  222.357561]  ? shrink_active_list+0x1c20/0x1c20
[  222.362226]  ? unregister_memcg_shrinker.isra.43+0x50/0x50
[  222.367838]  ? trace_hardirqs_on+0xbd/0x310
[  222.372147]  ? vmpressure+0x271/0x340
[  222.375948]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  222.381399]  shrink_node+0x431/0x16b0
[  222.385192]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  222.390477]  ? shrink_node_memcg+0x18e0/0x18e0
[  222.395052]  ? trace_hardirqs_on+0xbd/0x310
[  222.399366]  ? vmpressure+0x271/0x340
[  222.403160]  ? do_raw_spin_unlock+0xa7/0x2f0
[  222.408969]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  222.417021]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  222.422983]  ? __cpuset_node_allowed+0x19b/0x660
[  222.428282]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  222.433989]  ? vmpressure+0x1a2/0x340
[  222.437786]  do_try_to_free_pages+0x3e7/0x1290
[  222.442807]  ? shrink_node+0x16b0/0x16b0
[  222.446860]  ? __free_object+0x173/0x340
[  222.450910]  ? __list_del_entry_valid.cold.1+0x58/0x58
[  222.458861]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  222.464389]  ? __cpuset_node_allowed+0x19b/0x660
[  222.469140]  try_to_free_pages+0x4d0/0xb90
[  222.473365]  ? do_try_to_free_pages+0x1290/0x1290
[  222.478194]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.484238]  ? lock_acquire+0x1ed/0x520
[  222.488202]  ? set_page_refcounted+0x280/0x280
[  222.492779]  ? lock_release+0x970/0x970
[  222.496744]  ? __next_timer_interrupt+0x1a0/0x1a0
[  222.501576]  ? ___might_sleep+0x1ed/0x300
[  222.505739]  ? arch_local_save_flags+0x40/0x40
[  222.510313]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  222.515324]  __alloc_pages_slowpath+0x993/0x2d80
[  222.520547]  ? warn_alloc+0x120/0x120
[  222.524338]  ? __radix_tree_lookup+0x4c0/0x4c0
[  222.528916]  ? check_preemption_disabled+0x48/0x200
[  222.533941]  ? find_get_entry+0x2f2/0xc40
[  222.538102]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  222.543136]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  222.548670]  ? should_fail+0x22d/0xd01
[  222.552546]  ? ___might_sleep+0x1ed/0x300
[  222.556686]  ? lock_release+0x970/0x970
[  222.560664]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  222.565756]  ? pick_next_task_fair+0x990/0x16d0
[  222.570518]  ? __might_sleep+0x95/0x190
[  222.574485]  ? __alloc_pages_nodemask+0x6e4/0xde0
[  222.579318]  ? run_rebalance_domains+0x500/0x500
[  222.584064]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  222.589075]  ? lock_downgrade+0x900/0x900
[  222.593211]  ? kasan_check_read+0x11/0x20
[  222.597349]  ? ___might_sleep+0x1ed/0x300
[  222.601484]  ? lock_release+0x970/0x970
[  222.605452]  ? arch_local_save_flags+0x40/0x40
[  222.610025]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.615552]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.621084]  ? __might_sleep+0x95/0x190
[  222.625054]  __alloc_pages_nodemask+0xa80/0xde0
[  222.629928]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  222.634959]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  222.640749]  ? __switch_to_asm+0x34/0x70
[  222.644802]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  222.649466]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.655004]  ? __do_page_cache_readahead+0x7ce/0x980
[  222.660106]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  222.665631]  alloc_pages_current+0x10c/0x210
[  222.670027]  ? lock_downgrade+0x900/0x900
[  222.674167]  __page_cache_alloc+0x38f/0x5b0
[  222.678481]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  222.684268]  ? ext4_filemap_fault+0x82/0xad
[  222.688584]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  222.693243]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  222.698774]  ? check_preemption_disabled+0x48/0x200
[  222.703784]  filemap_fault+0x1594/0x25f0
[  222.707844]  ? __lock_page_or_retry+0xa00/0xa00
[  222.713007]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  222.718795]  ? trace_hardirqs_on+0xbd/0x310
[  222.723105]  ? kasan_check_read+0x11/0x20
[  222.727242]  ? remove_wait_queue+0x1a6/0x360
[  222.731644]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  222.737088]  ? filemap_map_pages+0xdea/0x1980
[  222.741576]  ? kasan_check_write+0x14/0x20
[  222.745803]  ? find_get_pages_range_tag+0x1320/0x1320
[  222.751476]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  222.757206]  ? fput+0x130/0x1a0
[  222.760479]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  222.765484]  ? poll_freewait+0x1d6/0x260
[  222.769534]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.778371]  ? lock_acquire+0x1ed/0x520
[  222.782365]  ? ext4_filemap_fault+0x7a/0xad
[  222.786679]  ? lock_release+0x970/0x970
[  222.790642]  ? arch_local_save_flags+0x40/0x40
[  222.795219]  ? select_estimate_accuracy+0x4b0/0x4b0
[  222.800241]  ? down_read+0xb0/0x1d0
[  222.803855]  ? ext4_filemap_fault+0x7a/0xad
[  222.808164]  ? mark_held_locks+0x130/0x130
[  222.812389]  ? __down_interruptible+0x700/0x700
[  222.817057]  ext4_filemap_fault+0x82/0xad
[  222.821198]  __do_fault+0x100/0x6b0
[  222.824832]  ? mark_held_locks+0x130/0x130
[  222.829067]  ? print_bad_pte+0x6c0/0x6c0
[  222.833117]  ? trace_hardirqs_on+0x310/0x310
[  222.837522]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  222.842703]  ? pmd_val+0x88/0x100
[  222.846640]  ? add_mm_counter_fast+0xd0/0xd0
[  222.851040]  ? pmd_val+0x88/0x100
[  222.854487]  ? add_mm_counter_fast+0xd0/0xd0
[  222.858887]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  222.864428]  __handle_mm_fault+0x3709/0x53e0
[  222.868834]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  222.873665]  ? __might_fault+0x12b/0x1e0
[  222.877713]  ? lock_downgrade+0x900/0x900
[  222.881855]  ? lock_acquire+0x1ed/0x520
[  222.885819]  ? handle_mm_fault+0x42a/0xc70
[  222.890044]  ? lock_downgrade+0x900/0x900
[  222.894185]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  222.899976]  ? __do_page_fault+0x67d/0xed0
[  222.904201]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  222.910148]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  222.915680]  ? check_preemption_disabled+0x48/0x200
[  222.920690]  handle_mm_fault+0x54f/0xc70
[  222.924743]  ? __handle_mm_fault+0x53e0/0x53e0
[  222.929315]  ? find_vma+0x34/0x190
[  222.932849]  __do_page_fault+0x67d/0xed0
[  222.936909]  ? mm_fault_error+0x380/0x380
[  222.941047]  ? trace_hardirqs_off+0xb8/0x310
[  222.945448]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  222.950903]  ? trace_hardirqs_on+0x310/0x310
[  222.955820]  do_page_fault+0xf2/0x7e0
[  222.959623]  ? vmalloc_sync_all+0x30/0x30
[  222.963760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.969283]  ? error_entry+0x70/0xd0
[  222.972989]  ? trace_hardirqs_off_caller+0xbb/0x310
[  222.977997]  ? trace_hardirqs_on_caller+0xc0/0x310
[  222.982915]  ? syscall_return_slowpath+0x5e0/0x5e0
[  222.987832]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  222.992685]  ? trace_hardirqs_on_caller+0x310/0x310
[  222.997709]  ? trace_hardirqs_off+0x310/0x310
[  223.004632]  ? prepare_exit_to_usermode+0x291/0x3b0
[  223.010318]  ? page_fault+0x8/0x30
[  223.013848]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  223.018812]  ? page_fault+0x8/0x30
[  223.022343]  page_fault+0x1e/0x30
[  223.025793] RIP: 0033:0x7f4d36daddd3
[  223.029501] Code: Bad RIP value.
[  223.032850] RSP: 002b:00007ffe5211d0e8 EFLAGS: 00010246
[  223.038208] RAX: 0000000000000000 RBX: 00007ffe5211d290 RCX: 00007f4d36daddd3
[  223.045466] RDX: 0000000000000000 RSI: 00007ffe5211d440 RDI: 000000000000000b
[  223.052724] RBP: 00007ffe5211d440 R08: 00007ffe5211d4c0 R09: 0000000000000001
[  223.059983] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  223.067240] R13: 00007ffe5211d820 R14: 0000000000000000 R15: 0000000000000000
[  223.074517] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  223.075035] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  223.081788] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  223.092159] ksoftirqd/1 cpuset=
[  223.101510] Call Trace:
[  223.101512] / mems_allowed=0
[  223.104772]  <IRQ>
[  223.112464]  dump_stack+0x1c4/0x2b4
[  223.116081]  ? dump_stack_print_info.cold.2+0x52/0x52
[  223.121265]  warn_alloc.cold.119+0xb7/0x1bd
[  223.125580]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  223.130420]  ? lock_downgrade+0x900/0x900
[  223.134561]  ? trace_hardirqs_off+0xb8/0x310
[  223.138960]  ? trace_hardirqs_off+0xb8/0x310
[  223.143362]  __alloc_pages_slowpath+0x2667/0x2d80
[  223.148204]  ? warn_alloc+0x120/0x120
[  223.152019]  ? warn_alloc+0x120/0x120
[  223.155832]  ? warn_alloc+0x120/0x120
[  223.159624]  ? lock_release+0x970/0x970
[  223.163589]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  223.168779]  ? trace_hardirqs_on+0x310/0x310
[  223.173183]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  223.178729]  ? should_fail+0x22d/0xd01
[  223.182607]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  223.187698]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  223.193221]  ? should_fail+0x22d/0xd01
[  223.197099]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  223.202192]  ? should_fail+0x22d/0xd01
[  223.206074]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  223.211169]  ? mark_held_locks+0x130/0x130
[  223.215398]  ? mark_held_locks+0x130/0x130
[  223.219625]  ? kvm_clock_read+0x18/0x30
[  223.223592]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  223.228604]  ? ktime_get+0x2e1/0x440
[  223.232306]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.237844]  ? check_preemption_disabled+0x48/0x200
[  223.242882]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  223.247905]  ? widen_string+0xe0/0x2e0
[  223.251787]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.257326]  ? number+0x972/0xca0
[  223.260772]  ? rcu_bh_qs+0xc0/0xc0
[  223.264303]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  223.269307]  ? widen_string+0xe0/0x2e0
[  223.273183]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  223.278712]  __alloc_pages_nodemask+0xa80/0xde0
[  223.283367]  ? should_fail+0x22d/0xd01
[  223.287258]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  223.292289]  ? ____cache_alloc_node+0x1c7/0x1e0
[  223.296965]  ? lock_downgrade+0x900/0x900
[  223.301105]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.306634]  cache_grow_begin+0x91/0x8c0
[  223.310689]  ? do_raw_spin_unlock+0xa7/0x2f0
[  223.315092]  fallback_alloc+0x203/0x2e0
[  223.319067]  ____cache_alloc_node+0x1c7/0x1e0
[  223.323557]  kmem_cache_alloc_node+0xe3/0x730
[  223.328040]  ? ipv6_get_ifaddr+0x42e/0x620
[  223.332268]  __alloc_skb+0x119/0x770
[  223.335971]  ? skb_scrub_packet+0x490/0x490
[  223.340280]  ? lock_downgrade+0x900/0x900
[  223.344430]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.349954]  ? refcount_sub_and_test_checked+0x203/0x310
[  223.355394]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  223.361006]  ? addrconf_rs_timer+0x690/0x690
[  223.365412]  ndisc_alloc_skb+0x144/0x340
[  223.369477]  ndisc_send_rs+0x331/0x6e0
[  223.373357]  addrconf_rs_timer+0x314/0x690
[  223.377585]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  223.381816]  call_timer_fn+0x272/0x920
[  223.385691]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  223.389921]  ? process_timeout+0x40/0x40
[  223.393968]  ? trace_hardirqs_off+0xb8/0x310
[  223.398365]  ? kasan_check_read+0x11/0x20
[  223.402502]  ? do_raw_spin_unlock+0xa7/0x2f0
[  223.406901]  ? trace_hardirqs_on+0x310/0x310
[  223.411316]  ? __run_timers+0x7da/0xc70
[  223.415279]  ? lock_downgrade+0x900/0x900
[  223.419419]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  223.424513]  ? trace_hardirqs_on+0xbd/0x310
[  223.428825]  ? kasan_check_read+0x11/0x20
[  223.432966]  ? __run_timers+0x7da/0xc70
[  223.436931]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  223.442381]  ? kasan_check_write+0x14/0x20
[  223.446604]  ? do_raw_spin_lock+0xc1/0x200
[  223.450834]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  223.456893]  __run_timers+0x7e5/0xc70
[  223.460694]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  223.466174]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  223.471203]  ? timerqueue_add+0x207/0x2b0
[  223.475361]  ? enqueue_hrtimer+0x1a5/0x560
[  223.479584]  ? lock_release+0x970/0x970
[  223.483570]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  223.488752]  ? kasan_check_write+0x14/0x20
[  223.492985]  ? pvclock_read_flags+0x160/0x160
[  223.497474]  ? lock_downgrade+0x900/0x900
[  223.501615]  ? trace_hardirqs_on+0xbd/0x310
[  223.505928]  ? kvm_sched_clock_read+0x9/0x20
[  223.510326]  ? irq_exit+0x17f/0x1c0
[  223.513946]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.519473]  ? check_preemption_disabled+0x48/0x200
[  223.524479]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.530009]  run_timer_softirq+0x52/0xb0
[  223.534058]  ? __this_cpu_preempt_check+0x1c/0x1f
[  223.538909]  __do_softirq+0x30b/0xad8
[  223.542721]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  223.547817]  ? pvclock_read_flags+0x160/0x160
[  223.552303]  ? lapic_next_event+0x5a/0x90
[  223.556442]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.561975]  ? clockevents_program_event+0x140/0x370
[  223.567073]  ? kvm_clock_read+0x18/0x30
[  223.571074]  ? kvm_sched_clock_read+0x9/0x20
[  223.575472]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.580998]  ? check_preemption_disabled+0x48/0x200
[  223.586008]  irq_exit+0x17f/0x1c0
[  223.589453]  smp_apic_timer_interrupt+0x1cb/0x760
[  223.594286]  ? smp_reschedule_interrupt+0x109/0x650
[  223.599379]  ? smp_call_function_single_interrupt+0x650/0x650
[  223.605250]  ? interrupt_entry+0xb5/0xf0
[  223.609303]  ? trace_hardirqs_off_caller+0xbb/0x310
[  223.614309]  ? trace_hardirqs_off_caller+0xbb/0x310
[  223.619314]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  223.624151]  ? trace_hardirqs_on_caller+0x310/0x310
[  223.629157]  ? trace_hardirqs_on_caller+0x310/0x310
[  223.634208]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.639735]  ? check_preemption_disabled+0x48/0x200
[  223.644744]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  223.649580]  apic_timer_interrupt+0xf/0x20
[  223.653800]  </IRQ>
[  223.656038] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  223.660961] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  223.679860] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  223.687560] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  223.694846] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  223.702111] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  223.709369] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  223.716643] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  223.723999]  ? trace_hardirqs_on+0xb4/0x310
[  223.728317]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.733858]  skb_clone+0x1bb/0x500
[  223.737391]  ? finish_task_switch+0x2f5/0x900
[  223.741876]  ? skb_split+0x11e0/0x11e0
[  223.745754]  ? preempt_notifier_register+0x200/0x200
[  223.750860]  ? __switch_to_asm+0x34/0x70
[  223.754907]  ? __switch_to_asm+0x34/0x70
[  223.758955]  ? __switch_to_asm+0x40/0x70
[  223.763006]  ? __switch_to_asm+0x34/0x70
[  223.767053]  ? __switch_to_asm+0x40/0x70
[  223.771101]  ? __switch_to_asm+0x34/0x70
[  223.775158]  ? __switch_to_asm+0x40/0x70
[  223.779204]  ? __switch_to_asm+0x34/0x70
[  223.783252]  ? __switch_to_asm+0x34/0x70
[  223.787299]  ? __switch_to_asm+0x40/0x70
[  223.791348]  ? __switch_to_asm+0x34/0x70
[  223.795401]  bpf_clone_redirect+0xb9/0x490
[  223.799638]  ? __schedule+0x874/0x1ed0
[  223.803519]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  223.808436]  ? __sched_text_start+0x8/0x8
[  223.812574]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  223.817323]  ? retint_kernel+0x2d/0x2d
[  223.821204]  ? lock_acquire+0x1ed/0x520
[  223.825168]  ? bpf_test_run+0x32e/0x5a0
[  223.829136]  ? lock_release+0x970/0x970
[  223.833097]  ? preempt_schedule+0x4d/0x60
[  223.837234]  ? preempt_schedule_common+0x1f/0xd0
[  223.841979]  ? preempt_schedule+0x4d/0x60
[  223.846115]  ? ___preempt_schedule+0x16/0x18
[  223.850513]  ? bpf_test_run+0x1c0/0x5a0
[  223.854481]  ? netlink_diag_dump+0x2a0/0x2a0
[  223.858938]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  223.864455]  ? bpf_test_init.isra.9+0x70/0x100
[  223.869023]  ? bpf_prog_test_run_skb+0x634/0xb40
[  223.873762]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  223.878601]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  223.884128]  ? fput+0x130/0x1a0
[  223.887396]  ? __bpf_prog_get+0x9b/0x290
[  223.891446]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  223.896274]  ? bpf_prog_test_run+0x130/0x1a0
[  223.900677]  ? __x64_sys_bpf+0x3d8/0x510
[  223.904724]  ? bpf_prog_get+0x20/0x20
[  223.908522]  ? do_syscall_64+0x1b9/0x820
[  223.912574]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  223.917926]  ? syscall_return_slowpath+0x5e0/0x5e0
[  223.922847]  ? trace_hardirqs_on_caller+0x310/0x310
[  223.927871]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  223.932881]  ? recalc_sigpending_tsk+0x180/0x180
[  223.937639]  ? kasan_check_write+0x14/0x20
[  223.941866]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  223.946700]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  223.952054] warn_alloc_show_mem: 1 callbacks suppressed
[  223.952063] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  223.952064] Mem-Info:
[  223.952093] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  223.952093]  active_file:16 inactive_file:17 isolated_file:0
[  223.952093]  unevictable:0 dirty:0 writeback:0 unstable:0
[  223.952093]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  223.952093]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  223.952093]  free:13792 free_pcp:309 free_cma:0
[  223.957425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  223.964255] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  223.966644] Call Trace:
[  223.999683] Node 0 
[  224.009030]  dump_stack+0x1c4/0x2b4
[  224.036860] 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
[  224.039412]  ? dump_stack_print_info.cold.2+0x52/0x52
[  224.041608] lowmem_reserve[]: 0
[  224.045225]  warn_alloc.cold.119+0xb7/0x1bd
[  224.070696]  2819 6323
[  224.075876]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  224.079123]  6323
[  224.083424]  ? lock_downgrade+0x900/0x900
[  224.090711]  ? trace_hardirqs_off+0xb8/0x310
[  224.092743] Node 0 
[  224.096871]  ? trace_hardirqs_off+0xb8/0x310
[  224.101284] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  224.103486]  __alloc_pages_slowpath+0x2667/0x2d80
[  224.107859] lowmem_reserve[]:
[  224.135672]  ? warn_alloc+0x120/0x120
[  224.140471]  0
[  224.143555]  ? warn_alloc+0x120/0x120
[  224.147407]  0
[  224.149196]  ? warn_alloc+0x120/0x120
[  224.152961]  3503
[  224.154747]  ? warn_alloc+0x120/0x120
[  224.158516]  3503
[  224.160569]  ? warn_alloc+0x120/0x120
[  224.166399]  ? mark_held_locks+0x130/0x130
[  224.170171] Node 0 
[  224.174643]  ? should_fail+0x22d/0xd01
[  224.174692] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  224.176893]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  224.180749] lowmem_reserve[]:
[  224.209097]  ? should_fail+0x22d/0xd01
[  224.214601]  0
[  224.217692]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  224.221658]  0 0 0
[  224.221668] 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
[  224.221718] Node 0 DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB
[  224.223599]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  224.228792] Node 0 Normal: 
[  224.230939]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  224.244887] 1063*4kB 
[  224.261514]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  224.267020] (UMEH) 
[  224.269934]  ? should_fail+0x22d/0xd01
[  224.275007] 420*8kB 
[  224.277399]  ? ring_buffer_nest_end+0xd0/0xd0
[  224.283284] (UME) 
[  224.285515]  ? should_fail+0x22d/0xd01
[  224.289376] 170*16kB 
[  224.291680]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  224.296143] (UMEH) 
[  224.298278]  ? should_fail+0x22d/0xd01
[  224.302134] 65*32kB 
[  224.304527]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  224.309600] (UME) 
[  224.311823]  ? tracing_record_taskinfo_skip+0x145/0x1a0
[  224.315676] 9*64kB 
[  224.317982]  ? mark_held_locks+0x130/0x130
[  224.323050] (UM) 
[  224.325183]  ? mark_held_locks+0x130/0x130
[  224.330513] 0*128kB 
[  224.332731]  ? tracing_record_taskinfo+0x7f/0x230
[  224.336931] 0*256kB 
[  224.339005]  ? try_to_wake_up+0x10a/0x12f0
[  224.343202] 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB 
[  224.345531]  ? lock_downgrade+0x900/0x900
[  224.350342] = 14012kB
[  224.352650]  ? lock_downgrade+0x900/0x900
[  224.356857] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  224.361849]  ? trace_hardirqs_off+0xb8/0x310
[  224.365970] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  224.368360]  ? kasan_check_read+0x11/0x20
[  224.372477] 4986 total pagecache pages
[  224.381621]  ? do_raw_spin_unlock+0xa7/0x2f0
[  224.385995] 0 pages in swap cache
[  224.395021]  ? trace_hardirqs_on+0x310/0x310
[  224.399137] Swap cache stats: add 0, delete 0, find 0/0
[  224.403009]  ? rcu_read_lock+0x70/0x70
[  224.407380] Free swap  = 0kB
[  224.410819]  ? kthread_data+0x58/0xc0
[  224.415201] Total swap = 0kB
[  224.420549]  __alloc_pages_nodemask+0xa80/0xde0
[  224.424402] 1965979 pages RAM
[  224.427402]  ? should_fail+0x22d/0xd01
[  224.431173] 0 pages HighMem/MovableOnly
[  224.434173]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  224.438809] 342307 pages reserved
[  224.441905]  ? ____cache_alloc_node+0x1c7/0x1e0
[  224.445752] 0 pages cma reserved
[  224.449711]  ? lock_downgrade+0x900/0x900
[  224.458202] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  224.458281] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  224.458286] syz-executor4 cpuset=syz4 mems_allowed=0
[  224.499403]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.505471]  cache_grow_begin+0x91/0x8c0
[  224.509526]  ? do_raw_spin_unlock+0xa7/0x2f0
[  224.513948]  fallback_alloc+0x203/0x2e0
[  224.517913]  ____cache_alloc_node+0x1c7/0x1e0
[  224.522403]  kmem_cache_alloc_node+0xe3/0x730
[  224.526892]  ? ipv6_get_ifaddr+0x42e/0x620
[  224.531634]  __alloc_skb+0x119/0x770
[  224.535341]  ? skb_scrub_packet+0x490/0x490
[  224.539649]  ? lock_downgrade+0x900/0x900
[  224.543792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.549319]  ? refcount_sub_and_test_checked+0x203/0x310
[  224.554768]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  224.560212]  ? addrconf_rs_timer+0x690/0x690
[  224.565064]  ndisc_alloc_skb+0x144/0x340
[  224.569120]  ndisc_send_rs+0x331/0x6e0
[  224.573000]  addrconf_rs_timer+0x314/0x690
[  224.577222]  ? lock_release+0x970/0x970
[  224.581183]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  224.586714]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  224.590945]  call_timer_fn+0x272/0x920
[  224.594825]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  224.599052]  ? process_timeout+0x40/0x40
[  224.603099]  ? kasan_check_read+0x11/0x20
[  224.607237]  ? do_raw_spin_unlock+0xa7/0x2f0
[  224.611633]  ? trace_hardirqs_on+0x310/0x310
[  224.616034]  ? __run_timers+0x7da/0xc70
[  224.620002]  ? lock_downgrade+0x900/0x900
[  224.624143]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  224.629236]  ? trace_hardirqs_on+0xbd/0x310
[  224.633543]  ? kasan_check_read+0x11/0x20
[  224.637680]  ? __run_timers+0x7da/0xc70
[  224.642749]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  224.648662]  ? kasan_check_write+0x14/0x20
[  224.652887]  ? do_raw_spin_lock+0xc1/0x200
[  224.657114]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  224.661336]  __run_timers+0x7e5/0xc70
[  224.665137]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  224.670490]  ? compat_start_thread+0x80/0x80
[  224.674890]  ? dequeue_entity+0x1770/0x1770
[  224.679202]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.684728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.690268]  ? kasan_check_write+0x14/0x20
[  224.696479]  ? finish_task_switch+0x2f5/0x900
[  224.701438]  ? __switch_to_asm+0x40/0x70
[  224.705492]  ? preempt_notifier_register+0x200/0x200
[  224.710581]  ? __switch_to_asm+0x34/0x70
[  224.714632]  ? __switch_to_asm+0x40/0x70
[  224.718691]  ? __switch_to_asm+0x34/0x70
[  224.722745]  ? __switch_to_asm+0x40/0x70
[  224.726794]  ? __switch_to_asm+0x34/0x70
[  224.730845]  ? __switch_to_asm+0x40/0x70
[  224.734901]  ? pvclock_read_flags+0x160/0x160
[  224.739385]  ? __schedule+0x874/0x1ed0
[  224.743264]  ? run_rebalance_domains+0x38d/0x500
[  224.748014]  ? trace_hardirqs_on+0xbd/0x310
[  224.752327]  ? kvm_sched_clock_read+0x9/0x20
[  224.756727]  ? run_ksoftirqd+0x94/0x100
[  224.760702]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.766232]  ? check_preemption_disabled+0x48/0x200
[  224.771241]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.776771]  run_timer_softirq+0x52/0xb0
[  224.780822]  ? __this_cpu_preempt_check+0x1c/0x1f
[  224.785665]  __do_softirq+0x30b/0xad8
[  224.789460]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  224.794700]  ? trace_hardirqs_off+0xb8/0x310
[  224.799106]  ? schedule+0x108/0x460
[  224.803224]  ? __schedule+0x1ed0/0x1ed0
[  224.807208]  ? run_ksoftirqd+0x99/0x100
[  224.811176]  ? trace_hardirqs_off+0xb8/0x310
[  224.815575]  ? ___might_sleep+0x1ed/0x300
[  224.819714]  ? smpboot_thread_fn+0x68b/0xa00
[  224.824121]  ? trace_hardirqs_on+0x310/0x310
[  224.828524]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  224.834054]  ? check_preemption_disabled+0x48/0x200
[  224.839058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.844584]  ? takeover_tasklets+0xa90/0xa90
[  224.848987]  run_ksoftirqd+0x94/0x100
[  224.852777]  smpboot_thread_fn+0x68b/0xa00
[  224.857000]  ? sort_range+0x30/0x30
[  224.860618]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  224.865708]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  224.871239]  ? __kthread_parkme+0xfb/0x1a0
[  224.875469]  kthread+0x35a/0x420
[  224.878826]  ? sort_range+0x30/0x30
[  224.882441]  ? kthread_bind+0x40/0x40
[  224.886230]  ret_from_fork+0x3a/0x50
[  224.889947] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  224.890023] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  224.897222] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  224.897226] Call Trace:
[  224.897230]  <IRQ>
[  224.897245]  dump_stack+0x1c4/0x2b4
[  224.897265]  ? dump_stack_print_info.cold.2+0x52/0x52
[  224.903794] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  224.913083]  warn_alloc.cold.119+0xb7/0x1bd
[  224.915634] ksoftirqd/1 cpuset=
[  224.917770]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  224.921362] /
[  224.926538]  ? lock_downgrade+0x900/0x900
[  224.936816]  mems_allowed=0
[  224.941132]  ? trace_hardirqs_off+0xb8/0x310
[  224.962451]  ? trace_hardirqs_off+0xb8/0x310
[  224.966856]  __alloc_pages_slowpath+0x2667/0x2d80
[  224.971711]  ? warn_alloc+0x120/0x120
[  224.975512]  ? warn_alloc+0x120/0x120
[  224.979305]  ? warn_alloc+0x120/0x120
[  224.983099]  ? lock_release+0x970/0x970
[  224.987064]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  224.992245]  ? trace_hardirqs_on+0x310/0x310
[  224.996648]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  225.002179]  ? should_fail+0x22d/0xd01
[  225.006057]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  225.011152]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  225.016677]  ? should_fail+0x22d/0xd01
[  225.020558]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  225.025653]  ? should_fail+0x22d/0xd01
[  225.029689]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  225.034787]  ? mark_held_locks+0x130/0x130
[  225.039012]  ? mark_held_locks+0x130/0x130
[  225.043240]  ? kvm_clock_read+0x18/0x30
[  225.047205]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  225.052205]  ? ktime_get+0x2e1/0x440
[  225.055907]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.061437]  ? check_preemption_disabled+0x48/0x200
[  225.066452]  ? kasan_check_read+0x11/0x20
[  225.070594]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  225.075874]  ? rcu_bh_qs+0xc0/0xc0
[  225.079405]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.084932]  ? check_preemption_disabled+0x48/0x200
[  225.089939]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  225.094947]  ? widen_string+0xe0/0x2e0
[  225.098827]  __alloc_pages_nodemask+0xa80/0xde0
[  225.103500]  ? should_fail+0x22d/0xd01
[  225.107382]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  225.112401]  ? ____cache_alloc_node+0x1c7/0x1e0
[  225.117058]  ? lock_downgrade+0x900/0x900
[  225.121197]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.126736]  cache_grow_begin+0x91/0x8c0
[  225.130790]  ? do_raw_spin_unlock+0xa7/0x2f0
[  225.135190]  fallback_alloc+0x203/0x2e0
[  225.139170]  ____cache_alloc_node+0x1c7/0x1e0
[  225.143662]  kmem_cache_alloc_node+0xe3/0x730
[  225.148170]  ? ipv6_get_ifaddr+0x42e/0x620
[  225.152401]  __alloc_skb+0x119/0x770
[  225.156104]  ? skb_scrub_packet+0x490/0x490
[  225.160413]  ? lock_downgrade+0x900/0x900
[  225.164552]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.170079]  ? refcount_sub_and_test_checked+0x203/0x310
[  225.175521]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  225.180958]  ? addrconf_rs_timer+0x690/0x690
[  225.185358]  ndisc_alloc_skb+0x144/0x340
[  225.189408]  ndisc_send_rs+0x331/0x6e0
[  225.193287]  addrconf_rs_timer+0x314/0x690
[  225.197517]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  225.201752]  call_timer_fn+0x272/0x920
[  225.205626]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  225.209851]  ? process_timeout+0x40/0x40
[  225.213901]  ? trace_hardirqs_off+0xb8/0x310
[  225.218298]  ? kasan_check_read+0x11/0x20
[  225.222433]  ? do_raw_spin_unlock+0xa7/0x2f0
[  225.226836]  ? trace_hardirqs_on+0x310/0x310
[  225.231236]  ? __run_timers+0x7da/0xc70
[  225.235199]  ? lock_downgrade+0x900/0x900
[  225.239338]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  225.244428]  ? trace_hardirqs_on+0xbd/0x310
[  225.248740]  ? kasan_check_read+0x11/0x20
[  225.252876]  ? __run_timers+0x7da/0xc70
[  225.256863]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  225.262304]  ? kasan_check_write+0x14/0x20
[  225.266531]  ? do_raw_spin_lock+0xc1/0x200
[  225.270759]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  225.274984]  __run_timers+0x7e5/0xc70
[  225.278781]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  225.284139]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  225.289143]  ? timerqueue_add+0x207/0x2b0
[  225.293307]  ? enqueue_hrtimer+0x1a5/0x560
[  225.297533]  ? lock_release+0x970/0x970
[  225.301501]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  225.306680]  ? kasan_check_write+0x14/0x20
[  225.310930]  ? pvclock_read_flags+0x160/0x160
[  225.315414]  ? lock_downgrade+0x900/0x900
[  225.319558]  ? trace_hardirqs_on+0xbd/0x310
[  225.323866]  ? kvm_sched_clock_read+0x9/0x20
[  225.328264]  ? irq_exit+0x17f/0x1c0
[  225.331900]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.337458]  ? check_preemption_disabled+0x48/0x200
[  225.342464]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.347994]  run_timer_softirq+0x52/0xb0
[  225.352050]  ? __this_cpu_preempt_check+0x1c/0x1f
[  225.356882]  __do_softirq+0x30b/0xad8
[  225.360677]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  225.365782]  ? pvclock_read_flags+0x160/0x160
[  225.370269]  ? lapic_next_event+0x5a/0x90
[  225.374407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.379935]  ? clockevents_program_event+0x140/0x370
[  225.385029]  ? kvm_clock_read+0x18/0x30
[  225.388994]  ? kvm_sched_clock_read+0x9/0x20
[  225.393391]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.398916]  ? check_preemption_disabled+0x48/0x200
[  225.403925]  irq_exit+0x17f/0x1c0
[  225.407463]  smp_apic_timer_interrupt+0x1cb/0x760
[  225.412293]  ? smp_reschedule_interrupt+0x109/0x650
[  225.417302]  ? smp_call_function_single_interrupt+0x650/0x650
[  225.423176]  ? interrupt_entry+0xb5/0xf0
[  225.427228]  ? trace_hardirqs_off_caller+0xbb/0x310
[  225.432251]  ? trace_hardirqs_off_caller+0xbb/0x310
[  225.437293]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  225.442126]  ? trace_hardirqs_on_caller+0x310/0x310
[  225.447130]  ? trace_hardirqs_on_caller+0x310/0x310
[  225.452140]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.458756]  ? check_preemption_disabled+0x48/0x200
[  225.463777]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  225.468609]  apic_timer_interrupt+0xf/0x20
[  225.472825]  </IRQ>
[  225.475052] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  225.479972] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  225.498876] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  225.506576] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  225.513862] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  225.521120] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  225.528381] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  225.535639] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  225.542914]  ? trace_hardirqs_on+0xb4/0x310
[  225.547233]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.552767]  skb_clone+0x1bb/0x500
[  225.556301]  ? finish_task_switch+0x2f5/0x900
[  225.560788]  ? skb_split+0x11e0/0x11e0
[  225.564675]  ? preempt_notifier_register+0x200/0x200
[  225.569776]  ? __switch_to_asm+0x34/0x70
[  225.573824]  ? __switch_to_asm+0x34/0x70
[  225.577873]  ? __switch_to_asm+0x40/0x70
[  225.581921]  ? __switch_to_asm+0x34/0x70
[  225.585964]  ? __switch_to_asm+0x40/0x70
[  225.590005]  ? __switch_to_asm+0x34/0x70
[  225.594054]  ? __switch_to_asm+0x40/0x70
[  225.598101]  ? __switch_to_asm+0x34/0x70
[  225.602154]  ? __switch_to_asm+0x34/0x70
[  225.606203]  ? __switch_to_asm+0x40/0x70
[  225.610256]  ? __switch_to_asm+0x34/0x70
[  225.614311]  bpf_clone_redirect+0xb9/0x490
[  225.618537]  ? __schedule+0x874/0x1ed0
[  225.622432]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  225.627351]  ? __sched_text_start+0x8/0x8
[  225.631494]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  225.636244]  ? retint_kernel+0x2d/0x2d
[  225.640395]  ? lock_acquire+0x1ed/0x520
[  225.644356]  ? bpf_test_run+0x32e/0x5a0
[  225.648323]  ? lock_release+0x970/0x970
[  225.652285]  ? preempt_schedule+0x4d/0x60
[  225.656421]  ? preempt_schedule_common+0x1f/0xd0
[  225.661171]  ? preempt_schedule+0x4d/0x60
[  225.665312]  ? ___preempt_schedule+0x16/0x18
[  225.669731]  ? bpf_test_run+0x1c0/0x5a0
[  225.673707]  ? netlink_diag_dump+0x2a0/0x2a0
[  225.678126]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  225.683664]  ? bpf_test_init.isra.9+0x70/0x100
[  225.688241]  ? bpf_prog_test_run_skb+0x634/0xb40
[  225.692990]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  225.697825]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  225.703351]  ? fput+0x130/0x1a0
[  225.706621]  ? __bpf_prog_get+0x9b/0x290
[  225.710683]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  225.715514]  ? bpf_prog_test_run+0x130/0x1a0
[  225.719935]  ? __x64_sys_bpf+0x3d8/0x510
[  225.723985]  ? bpf_prog_get+0x20/0x20
[  225.727786]  ? do_syscall_64+0x1b9/0x820
[  225.731840]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  225.737192]  ? syscall_return_slowpath+0x5e0/0x5e0
[  225.742112]  ? trace_hardirqs_on_caller+0x310/0x310
[  225.747117]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  225.752135]  ? recalc_sigpending_tsk+0x180/0x180
[  225.756896]  ? kasan_check_write+0x14/0x20
[  225.761126]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  225.765962]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  225.771329] warn_alloc_show_mem: 1 callbacks suppressed
[  225.771338] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  225.771340] Mem-Info:
[  225.771369] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  225.771369]  active_file:16 inactive_file:17 isolated_file:0
[  225.771369]  unevictable:0 dirty:0 writeback:0 unstable:0
[  225.771369]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  225.771369]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  225.771369]  free:13792 free_pcp:309 free_cma:0
[  225.776699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  225.783531] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  225.785916] Call Trace:
[  225.819053] Node 0 
[  225.828908]  dump_stack+0x1c4/0x2b4
[  225.856751] 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
[  225.859304]  ? dump_stack_print_info.cold.2+0x52/0x52
[  225.861507] lowmem_reserve[]:
[  225.865122]  warn_alloc.cold.119+0xb7/0x1bd
[  225.890586]  0
[  225.895764]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  225.898835]  2819
[  225.903142]  ? lock_downgrade+0x900/0x900
[  225.904923]  6323
[  225.909822]  ? trace_hardirqs_off+0xb8/0x310
[  225.911850]  6323
[  225.918052]  ? trace_hardirqs_off+0xb8/0x310
[  225.920101] Node 0 
[  225.924495]  __alloc_pages_slowpath+0x2667/0x2d80
[  225.926726] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  225.931111]  ? warn_alloc+0x120/0x120
[  225.933305] lowmem_reserve[]:
[  225.938132]  ? warn_alloc+0x120/0x120
[  225.965076]  0 0
[  225.968871]  ? warn_alloc+0x120/0x120
[  225.971942]  3503
[  225.976198]  ? mark_held_locks+0x130/0x130
[  225.978151]  3503
[  225.981939]  ? mark_held_locks+0x130/0x130
[  225.988187]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.990217] Node 0 
[  225.994436]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  225.999963] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  226.002167]  ? should_fail+0x22d/0xd01
[  226.007678] lowmem_reserve[]:
[  226.039061]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  226.042917]  0
[  226.046019]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  226.051091]  0
[  226.052881]  ? should_fail+0x22d/0xd01
[  226.058382]  0
[  226.060172]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  226.064019]  0
[  226.064028] Node 0 
[  226.065813]  ? should_fail+0x22d/0xd01
[  226.070877] DMA: 1*4kB 
[  226.072677]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  226.074877] (U) 
[  226.078750]  ? mark_held_locks+0x130/0x130
[  226.081304] 0*8kB 
[  226.086392]  ? mark_held_locks+0x130/0x130
[  226.088336] 0*16kB 
[  226.092553]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.094671] 1*32kB 
[  226.098889]  ? trace_hardirqs_off+0xb8/0x310
[  226.101091] (U) 
[  226.106609]  ? kasan_check_read+0x11/0x20
[  226.108821] 2*64kB 
[  226.113543]  ? do_raw_spin_unlock+0xa7/0x2f0
[  226.115486] (U) 
[  226.119623]  ? trace_hardirqs_on+0x310/0x310
[  226.121825] 1*128kB 
[  226.126216]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.128161] (U) 
[  226.132550]  ? wq_watchdog_touch+0x9c/0xfe
[  226.134846] 1*256kB 
[  226.140367]  ? io_serial_in+0x11/0x90
[  226.142307] (U) 
[  226.146524]  ? retint_kernel+0x2d/0x2d
[  226.148810] 0*512kB 1*1024kB 
[  226.152597]  ? trace_hardirqs_on_caller+0xc0/0x310
[  226.154539] (U) 
[  226.158412]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  226.161480] 1*2048kB (M) 
[  226.166396]  ? trace_hardirqs_off+0x310/0x310
[  226.168343] 3*4096kB 
[  226.173079]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  226.175806] (M) 
[  226.180286]  __alloc_pages_nodemask+0xa80/0xde0
[  226.182664] = 15908kB
[  226.187752]  ? should_fail+0x22d/0xd01
[  226.189696] Node 0 
[  226.194347]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  226.196727] DMA32: 
[  226.201074]  ? ____cache_alloc_node+0x1c7/0x1e0
[  226.203287] 6*4kB 
[  226.208694]  ? lock_downgrade+0x900/0x900
[  226.210897] (UME) 
[  226.215552]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.217683] 2*8kB 
[  226.222312]  cache_grow_begin+0x91/0x8c0
[  226.224430] (UE) 
[  226.229953]  ? do_raw_spin_unlock+0xa7/0x2f0
[  226.232069] 4*16kB 
[  226.236110]  fallback_alloc+0x203/0x2e0
[  226.238134] (UME) 4*32kB (UME) 
[  226.242539]  ____cache_alloc_node+0x1c7/0x1e0
[  226.244755] 5*64kB 
[  226.248727]  kmem_cache_alloc_node+0xe3/0x730
[  226.251971] (ME) 
[  226.256447]  ? ipv6_get_ifaddr+0x42e/0x620
[  226.258655] 5*128kB 
[  226.263139]  __alloc_skb+0x119/0x770
[  226.265165] (UME) 
[  226.269383]  ? skb_scrub_packet+0x490/0x490
[  226.271679] 4*256kB 
[  226.275373]  ? lock_downgrade+0x900/0x900
[  226.277491] (ME) 
[  226.282287]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.284578] 5*512kB 
[  226.288707]  ? refcount_sub_and_test_checked+0x203/0x310
[  226.290736] (UME) 
[  226.296264]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  226.298557] 4*1024kB 
[  226.304498]  ? addrconf_rs_timer+0x690/0x690
[  226.306614] (UME) 2*2048kB 
[  226.312065]  ndisc_alloc_skb+0x144/0x340
[  226.314441] (ME) 
[  226.318832]  ndisc_send_rs+0x331/0x6e0
[  226.321732] 3*4096kB 
[  226.325779]  addrconf_rs_timer+0x314/0x690
[  226.327808] (M) 
[  226.331677]  ? lock_release+0x970/0x970
[  226.334054] = 25256kB
[  226.338272]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  226.340220] Node 0 
[  226.344187]  call_timer_fn+0x272/0x920
[  226.346563] Normal: 
[  226.350777]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  226.352982] 1063*4kB 
[  226.356851]  ? process_timeout+0x40/0x40
[  226.359145] (UMEH) 
[  226.363364]  ? kasan_check_read+0x11/0x20
[  226.365741] 420*8kB 
[  226.369785]  ? do_raw_spin_unlock+0xa7/0x2f0
[  226.371986] (UME) 
[  226.376115]  ? trace_hardirqs_on+0x310/0x310
[  226.378402] 170*16kB (UMEH) 
[  226.382797]  ? __run_timers+0x7da/0xc70
[  226.384916] 65*32kB 
[  226.389775]  ? lock_downgrade+0x900/0x900
[  226.392765] (UME) 
[  226.396724]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  226.399017] 9*64kB 
[  226.403976]  ? trace_hardirqs_on+0xbd/0x310
[  226.406125] (UM) 
[  226.411827]  ? kasan_check_read+0x11/0x20
[  226.411842]  ? __run_timers+0x7da/0xc70
[  226.414049] 0*128kB 
[  226.418355]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  226.420385] 0*256kB 
[  226.424515]  ? kasan_check_write+0x14/0x20
[  226.428455] 0*512kB 1*1024kB 
[  226.430770]  ? do_raw_spin_lock+0xc1/0x200
[  226.436186] (H) 
[  226.438495]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  226.442697] 0*2048kB 
[  226.445786]  __run_timers+0x7e5/0xc70
[  226.449986] 0*4096kB 
[  226.451949]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  226.459129] = 14012kB
[  226.461543]  ? compat_start_thread+0x80/0x80
[  226.465315] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  226.467702]  ? dequeue_entity+0x1770/0x1770
[  226.473040] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  226.475431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.480178] 4986 total pagecache pages
[  226.489094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.495031] 0 pages in swap cache
[  226.495036] Swap cache stats: add 0, delete 0, find 0/0
[  226.495038] Free swap  = 0kB
[  226.495041] Total swap = 0kB
[  226.495045] 1965979 pages RAM
[  226.495047] 0 pages HighMem/MovableOnly
[  226.495050] 342307 pages reserved
[  226.495052] 0 pages cma reserved
[  226.495099] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  226.495147] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  226.503705]  ? kasan_check_write+0x14/0x20
[  226.509209] syz-executor4 cpuset=
[  226.516896]  ? finish_task_switch+0x2f5/0x900
[  226.522401] syz4
[  226.525833]  ? __switch_to_asm+0x40/0x70
[  226.525849]  ? preempt_notifier_register+0x200/0x200
[  226.531182]  mems_allowed=0
[  226.534183]  ? __switch_to_asm+0x34/0x70
[  226.599711]  ? __switch_to_asm+0x40/0x70
[  226.603762]  ? __switch_to_asm+0x34/0x70
[  226.607811]  ? __switch_to_asm+0x40/0x70
[  226.612363]  ? __switch_to_asm+0x34/0x70
[  226.616411]  ? __switch_to_asm+0x40/0x70
[  226.620467]  ? pvclock_read_flags+0x160/0x160
[  226.624956]  ? __schedule+0x874/0x1ed0
[  226.628836]  ? run_rebalance_domains+0x38d/0x500
[  226.633591]  ? trace_hardirqs_on+0xbd/0x310
[  226.638368]  ? kvm_sched_clock_read+0x9/0x20
[  226.642768]  ? run_ksoftirqd+0x94/0x100
[  226.646917]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.652448]  ? check_preemption_disabled+0x48/0x200
[  226.657454]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.662983]  run_timer_softirq+0x52/0xb0
[  226.667040]  ? __this_cpu_preempt_check+0x1c/0x1f
[  226.671872]  __do_softirq+0x30b/0xad8
[  226.675668]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  226.680758]  ? trace_hardirqs_off+0xb8/0x310
[  226.685162]  ? schedule+0x108/0x460
[  226.688781]  ? __schedule+0x1ed0/0x1ed0
[  226.692745]  ? run_ksoftirqd+0x99/0x100
[  226.696729]  ? trace_hardirqs_off+0xb8/0x310
[  226.701127]  ? ___might_sleep+0x1ed/0x300
[  226.705263]  ? smpboot_thread_fn+0x68b/0xa00
[  226.709660]  ? trace_hardirqs_on+0x310/0x310
[  226.714060]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  226.719601]  ? check_preemption_disabled+0x48/0x200
[  226.727581]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.733112]  ? takeover_tasklets+0xa90/0xa90
[  226.737836]  run_ksoftirqd+0x94/0x100
[  226.741626]  smpboot_thread_fn+0x68b/0xa00
[  226.745850]  ? sort_range+0x30/0x30
[  226.749464]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  226.754557]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  226.760114]  ? __kthread_parkme+0xfb/0x1a0
[  226.765743]  kthread+0x35a/0x420
[  226.770128]  ? sort_range+0x30/0x30
[  226.773743]  ? kthread_bind+0x40/0x40
[  226.777534]  ret_from_fork+0x3a/0x50
[  226.781255] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  226.781301] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  226.788520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  226.788527] Call Trace:
[  226.795074] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  226.804348]  <IRQ>
[  226.806908] ksoftirqd/1 cpuset=
[  226.817204]  dump_stack+0x1c4/0x2b4
[  226.819321] /
[  226.822599]  ? dump_stack_print_info.cold.2+0x52/0x52
[  226.826193]  mems_allowed=0
[  226.827910]  warn_alloc.cold.119+0xb7/0x1bd
[  226.840829]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  226.845667]  ? lock_downgrade+0x900/0x900
[  226.849811]  ? trace_hardirqs_off+0xb8/0x310
[  226.854212]  ? trace_hardirqs_off+0xb8/0x310
[  226.858616]  __alloc_pages_slowpath+0x2667/0x2d80
[  226.863458]  ? warn_alloc+0x120/0x120
[  226.867249]  ? warn_alloc+0x120/0x120
[  226.871041]  ? warn_alloc+0x120/0x120
[  226.874829]  ? lock_release+0x970/0x970
[  226.878789]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  226.883963]  ? trace_hardirqs_on+0x310/0x310
[  226.888363]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  226.893889]  ? should_fail+0x22d/0xd01
[  226.897772]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  226.902864]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  226.908390]  ? should_fail+0x22d/0xd01
[  226.912272]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  226.917366]  ? should_fail+0x22d/0xd01
[  226.921245]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  226.926338]  ? mark_held_locks+0x130/0x130
[  226.930570]  ? mark_held_locks+0x130/0x130
[  226.934802]  ? kvm_clock_read+0x18/0x30
[  226.938779]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  226.943784]  ? ktime_get+0x2e1/0x440
[  226.947487]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.953016]  ? check_preemption_disabled+0x48/0x200
[  226.958022]  ? kasan_check_read+0x11/0x20
[  226.962160]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  226.967426]  ? rcu_bh_qs+0xc0/0xc0
[  226.971040]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.976582]  ? check_preemption_disabled+0x48/0x200
[  226.981594]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  226.986599]  ? widen_string+0xe0/0x2e0
[  226.990482]  __alloc_pages_nodemask+0xa80/0xde0
[  226.995140]  ? should_fail+0x22d/0xd01
[  226.999147]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  227.004183]  ? ____cache_alloc_node+0x1c7/0x1e0
[  227.008842]  ? lock_downgrade+0x900/0x900
[  227.012995]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.018526]  cache_grow_begin+0x91/0x8c0
[  227.022585]  ? do_raw_spin_unlock+0xa7/0x2f0
[  227.026988]  fallback_alloc+0x203/0x2e0
[  227.030953]  ____cache_alloc_node+0x1c7/0x1e0
[  227.035441]  kmem_cache_alloc_node+0xe3/0x730
[  227.039927]  ? ipv6_get_ifaddr+0x42e/0x620
[  227.044156]  __alloc_skb+0x119/0x770
[  227.047879]  ? skb_scrub_packet+0x490/0x490
[  227.052193]  ? lock_downgrade+0x900/0x900
[  227.056333]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.061875]  ? refcount_sub_and_test_checked+0x203/0x310
[  227.067316]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  227.072757]  ? addrconf_rs_timer+0x690/0x690
[  227.077161]  ndisc_alloc_skb+0x144/0x340
[  227.081214]  ndisc_send_rs+0x331/0x6e0
[  227.085101]  addrconf_rs_timer+0x314/0x690
[  227.089363]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  227.093611]  call_timer_fn+0x272/0x920
[  227.097506]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  227.101740]  ? process_timeout+0x40/0x40
[  227.105794]  ? trace_hardirqs_off+0xb8/0x310
[  227.110187]  ? kasan_check_read+0x11/0x20
[  227.114344]  ? do_raw_spin_unlock+0xa7/0x2f0
[  227.118742]  ? trace_hardirqs_on+0x310/0x310
[  227.123138]  ? __run_timers+0x7da/0xc70
[  227.127100]  ? lock_downgrade+0x900/0x900
[  227.131239]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  227.136332]  ? trace_hardirqs_on+0xbd/0x310
[  227.140643]  ? kasan_check_read+0x11/0x20
[  227.144777]  ? __run_timers+0x7da/0xc70
[  227.148745]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  227.154186]  ? kasan_check_write+0x14/0x20
[  227.158409]  ? do_raw_spin_lock+0xc1/0x200
[  227.162635]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  227.166863]  __run_timers+0x7e5/0xc70
[  227.170667]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  227.176024]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  227.181051]  ? timerqueue_add+0x207/0x2b0
[  227.185190]  ? enqueue_hrtimer+0x1a5/0x560
[  227.189414]  ? lock_release+0x970/0x970
[  227.193376]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  227.198562]  ? kasan_check_write+0x14/0x20
[  227.202792]  ? pvclock_read_flags+0x160/0x160
[  227.207277]  ? lock_downgrade+0x900/0x900
[  227.211416]  ? trace_hardirqs_on+0xbd/0x310
[  227.215743]  ? kvm_sched_clock_read+0x9/0x20
[  227.220145]  ? irq_exit+0x17f/0x1c0
[  227.223764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.229289]  ? check_preemption_disabled+0x48/0x200
[  227.234295]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.239850]  run_timer_softirq+0x52/0xb0
[  227.243901]  ? __this_cpu_preempt_check+0x1c/0x1f
[  227.248733]  __do_softirq+0x30b/0xad8
[  227.252538]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  227.257635]  ? pvclock_read_flags+0x160/0x160
[  227.262117]  ? lapic_next_event+0x5a/0x90
[  227.266255]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.271955]  ? clockevents_program_event+0x140/0x370
[  227.277049]  ? kvm_clock_read+0x18/0x30
[  227.281012]  ? kvm_sched_clock_read+0x9/0x20
[  227.285408]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.290932]  ? check_preemption_disabled+0x48/0x200
[  227.295941]  irq_exit+0x17f/0x1c0
[  227.299387]  smp_apic_timer_interrupt+0x1cb/0x760
[  227.304216]  ? smp_reschedule_interrupt+0x109/0x650
[  227.309224]  ? smp_call_function_single_interrupt+0x650/0x650
[  227.315099]  ? interrupt_entry+0xb5/0xf0
[  227.319150]  ? trace_hardirqs_off_caller+0xbb/0x310
[  227.324155]  ? trace_hardirqs_off_caller+0xbb/0x310
[  227.329161]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  227.333990]  ? trace_hardirqs_on_caller+0x310/0x310
[  227.338992]  ? trace_hardirqs_on_caller+0x310/0x310
[  227.343995]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.349528]  ? check_preemption_disabled+0x48/0x200
[  227.354550]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  227.359388]  apic_timer_interrupt+0xf/0x20
[  227.363604]  </IRQ>
[  227.365837] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  227.370761] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  227.389662] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  227.397363] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  227.404619] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  227.411878] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  227.419133] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  227.426388] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  227.433656]  ? trace_hardirqs_on+0xb4/0x310
[  227.437971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.443503]  skb_clone+0x1bb/0x500
[  227.447043]  ? finish_task_switch+0x2f5/0x900
[  227.451529]  ? skb_split+0x11e0/0x11e0
[  227.455834]  ? preempt_notifier_register+0x200/0x200
[  227.460924]  ? __switch_to_asm+0x34/0x70
[  227.464973]  ? __switch_to_asm+0x34/0x70
[  227.469021]  ? __switch_to_asm+0x40/0x70
[  227.474523]  ? __switch_to_asm+0x34/0x70
[  227.478578]  ? __switch_to_asm+0x40/0x70
[  227.482628]  ? __switch_to_asm+0x34/0x70
[  227.486712]  ? __switch_to_asm+0x40/0x70
[  227.492270]  ? __switch_to_asm+0x34/0x70
[  227.496319]  ? __switch_to_asm+0x34/0x70
[  227.500366]  ? __switch_to_asm+0x40/0x70
[  227.504414]  ? __switch_to_asm+0x34/0x70
[  227.508469]  bpf_clone_redirect+0xb9/0x490
[  227.512699]  ? __schedule+0x874/0x1ed0
[  227.516579]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  227.521523]  ? __sched_text_start+0x8/0x8
[  227.525667]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  227.530411]  ? retint_kernel+0x2d/0x2d
[  227.534293]  ? lock_acquire+0x1ed/0x520
[  227.538256]  ? bpf_test_run+0x32e/0x5a0
[  227.542333]  ? lock_release+0x970/0x970
[  227.546317]  ? preempt_schedule+0x4d/0x60
[  227.550457]  ? preempt_schedule_common+0x1f/0xd0
[  227.555204]  ? preempt_schedule+0x4d/0x60
[  227.559370]  ? ___preempt_schedule+0x16/0x18
[  227.563809]  ? bpf_test_run+0x1c0/0x5a0
[  227.567780]  ? netlink_diag_dump+0x2a0/0x2a0
[  227.572184]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  227.577708]  ? bpf_test_init.isra.9+0x70/0x100
[  227.582283]  ? bpf_prog_test_run_skb+0x634/0xb40
[  227.587031]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  227.591863]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  227.597392]  ? fput+0x130/0x1a0
[  227.600660]  ? __bpf_prog_get+0x9b/0x290
[  227.604709]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  227.609541]  ? bpf_prog_test_run+0x130/0x1a0
[  227.613940]  ? __x64_sys_bpf+0x3d8/0x510
[  227.617990]  ? bpf_prog_get+0x20/0x20
[  227.621788]  ? do_syscall_64+0x1b9/0x820
[  227.625836]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  227.631191]  ? syscall_return_slowpath+0x5e0/0x5e0
[  227.636113]  ? trace_hardirqs_on_caller+0x310/0x310
[  227.641119]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  227.646124]  ? recalc_sigpending_tsk+0x180/0x180
[  227.650868]  ? kasan_check_write+0x14/0x20
[  227.655096]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  227.659931]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  227.665292] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  227.665296] warn_alloc_show_mem: 1 callbacks suppressed
[  227.665302] Mem-Info:
[  227.672156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  227.677528] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  227.677528]  active_file:16 inactive_file:17 isolated_file:0
[  227.677528]  unevictable:0 dirty:0 writeback:0 unstable:0
[  227.677528]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  227.677528]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  227.677528]  free:13792 free_pcp:309 free_cma:0
[  227.679900] Call Trace:
[  227.689269] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  227.722292]  dump_stack+0x1c4/0x2b4
[  227.724841] Node 0 
[  227.753059]  ? dump_stack_print_info.cold.2+0x52/0x52
[  227.756662] 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
[  227.756676] lowmem_reserve[]: 0 2819 6323 6323
[  227.756688] Node 0 DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  227.756730] lowmem_reserve[]: 0 0 3503 3503
[  227.756741] Node 0 Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  227.756761] lowmem_reserve[]: 0 0 0 0
[  227.756771] 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
[  227.756855] Node 0 DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB
[  227.756930] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 
[  227.760809]  warn_alloc.cold.119+0xb7/0x1bd
[  227.765961] 0*128kB 
[  227.791456]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  227.796009] 0*256kB 
[  227.823579]  ? lock_downgrade+0x900/0x900
[  227.827874] 0*512kB 
[  227.856840]  ? trace_hardirqs_off+0xb8/0x310
[  227.860609] 1*1024kB 
[  227.874921]  ? trace_hardirqs_off+0xb8/0x310
[  227.891014] (H) 
[  227.900194]  __alloc_pages_slowpath+0x2667/0x2d80
[  227.904487] 0*2048kB 
[  227.906805]  ? warn_alloc+0x120/0x120
[  227.911611] 0*4096kB 
[  227.913922]  ? warn_alloc+0x120/0x120
[  227.918040] = 14012kB
[  227.920348]  ? warn_alloc+0x120/0x120
[  227.924881] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  227.924887] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  227.924890] 4986 total pagecache pages
[  227.924894] 0 pages in swap cache
[  227.924898] Swap cache stats: add 0, delete 0, find 0/0
[  227.924901] Free swap  = 0kB
[  227.924903] Total swap = 0kB
[  227.924906] 1965979 pages RAM
[  227.924909] 0 pages HighMem/MovableOnly
[  227.924911] 342307 pages reserved
[  227.924913] 0 pages cma reserved
[  227.924978] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  227.925047] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  227.930769]  ? mark_held_locks+0x130/0x130
[  227.935145] syz-executor4 cpuset=
[  227.937104]  ? mark_held_locks+0x130/0x130
[  227.941913] syz4
[  227.944313]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.948079]  mems_allowed=0
[  227.950479]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  228.055434]  ? should_fail+0x22d/0xd01
[  228.059774]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  228.066206]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  228.071735]  ? should_fail+0x22d/0xd01
[  228.075617]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  228.080709]  ? should_fail+0x22d/0xd01
[  228.084595]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  228.089700]  ? mark_held_locks+0x130/0x130
[  228.093928]  ? mark_held_locks+0x130/0x130
[  228.098153]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.103681]  ? trace_hardirqs_off+0xb8/0x310
[  228.108076]  ? kasan_check_read+0x11/0x20
[  228.112485]  ? do_raw_spin_unlock+0xa7/0x2f0
[  228.116885]  ? trace_hardirqs_on+0x310/0x310
[  228.121284]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.126834]  ? wq_watchdog_touch+0x9c/0xfe
[  228.131063]  ? io_serial_in+0x11/0x90
[  228.134852]  ? retint_kernel+0x2d/0x2d
[  228.138729]  ? trace_hardirqs_on_caller+0xc0/0x310
[  228.143649]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  228.148397]  ? trace_hardirqs_off+0x310/0x310
[  228.152881]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  228.157984]  __alloc_pages_nodemask+0xa80/0xde0
[  228.162644]  ? should_fail+0x22d/0xd01
[  228.166523]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  228.171545]  ? ____cache_alloc_node+0x1c7/0x1e0
[  228.176205]  ? lock_downgrade+0x900/0x900
[  228.180348]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.185877]  cache_grow_begin+0x91/0x8c0
[  228.189950]  ? do_raw_spin_unlock+0xa7/0x2f0
[  228.194365]  fallback_alloc+0x203/0x2e0
[  228.198332]  ____cache_alloc_node+0x1c7/0x1e0
[  228.202818]  kmem_cache_alloc_node+0xe3/0x730
[  228.207302]  ? ipv6_get_ifaddr+0x42e/0x620
[  228.211532]  __alloc_skb+0x119/0x770
[  228.215235]  ? skb_scrub_packet+0x490/0x490
[  228.219543]  ? lock_downgrade+0x900/0x900
[  228.223860]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.229389]  ? refcount_sub_and_test_checked+0x203/0x310
[  228.234832]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  228.240275]  ? addrconf_rs_timer+0x690/0x690
[  228.244683]  ndisc_alloc_skb+0x144/0x340
[  228.248737]  ndisc_send_rs+0x331/0x6e0
[  228.252620]  addrconf_rs_timer+0x314/0x690
[  228.256842]  ? lock_release+0x970/0x970
[  228.260807]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  228.265540]  call_timer_fn+0x272/0x920
[  228.269419]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  228.273652]  ? process_timeout+0x40/0x40
[  228.277703]  ? kasan_check_read+0x11/0x20
[  228.283664]  ? do_raw_spin_unlock+0xa7/0x2f0
[  228.288742]  ? trace_hardirqs_on+0x310/0x310
[  228.293144]  ? __run_timers+0x7da/0xc70
[  228.297107]  ? lock_downgrade+0x900/0x900
[  228.301256]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  228.306346]  ? trace_hardirqs_on+0xbd/0x310
[  228.310658]  ? kasan_check_read+0x11/0x20
[  228.314795]  ? __run_timers+0x7da/0xc70
[  228.318761]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  228.324199]  ? kasan_check_write+0x14/0x20
[  228.328426]  ? do_raw_spin_lock+0xc1/0x200
[  228.332661]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  228.336885]  __run_timers+0x7e5/0xc70
[  228.340685]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  228.346038]  ? compat_start_thread+0x80/0x80
[  228.350913]  ? dequeue_entity+0x1770/0x1770
[  228.355225]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.360750]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.366280]  ? kasan_check_write+0x14/0x20
[  228.370513]  ? finish_task_switch+0x2f5/0x900
[  228.375001]  ? __switch_to_asm+0x40/0x70
[  228.379065]  ? preempt_notifier_register+0x200/0x200
[  228.384154]  ? __switch_to_asm+0x34/0x70
[  228.388205]  ? __switch_to_asm+0x40/0x70
[  228.392252]  ? __switch_to_asm+0x34/0x70
[  228.396299]  ? __switch_to_asm+0x40/0x70
[  228.400348]  ? __switch_to_asm+0x34/0x70
[  228.404395]  ? __switch_to_asm+0x40/0x70
[  228.408457]  ? pvclock_read_flags+0x160/0x160
[  228.412956]  ? __schedule+0x874/0x1ed0
[  228.416831]  ? run_rebalance_domains+0x38d/0x500
[  228.421580]  ? trace_hardirqs_on+0xbd/0x310
[  228.425889]  ? kvm_sched_clock_read+0x9/0x20
[  228.430286]  ? run_ksoftirqd+0x94/0x100
[  228.434742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.440272]  ? check_preemption_disabled+0x48/0x200
[  228.445286]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.450818]  run_timer_softirq+0x52/0xb0
[  228.456402]  ? __this_cpu_preempt_check+0x1c/0x1f
[  228.461248]  __do_softirq+0x30b/0xad8
[  228.465046]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  228.470141]  ? trace_hardirqs_off+0xb8/0x310
[  228.481085]  ? schedule+0x108/0x460
[  228.484705]  ? __schedule+0x1ed0/0x1ed0
[  228.488673]  ? run_ksoftirqd+0x99/0x100
[  228.492641]  ? trace_hardirqs_off+0xb8/0x310
[  228.500055]  ? ___might_sleep+0x1ed/0x300
[  228.504211]  ? smpboot_thread_fn+0x68b/0xa00
[  228.508609]  ? trace_hardirqs_on+0x310/0x310
[  228.513010]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  228.518543]  ? check_preemption_disabled+0x48/0x200
[  228.523549]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.529090]  ? takeover_tasklets+0xa90/0xa90
[  228.533492]  run_ksoftirqd+0x94/0x100
[  228.537283]  smpboot_thread_fn+0x68b/0xa00
[  228.541522]  ? sort_range+0x30/0x30
[  228.545139]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  228.550231]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  228.555756]  ? __kthread_parkme+0xfb/0x1a0
[  228.559982]  kthread+0x35a/0x420
[  228.563354]  ? sort_range+0x30/0x30
[  228.566972]  ? kthread_bind+0x40/0x40
[  228.570761]  ret_from_fork+0x3a/0x50
[  228.574477] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  228.574526] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  228.581741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  228.581745] Call Trace:
[  228.581750]  <IRQ>
[  228.581776]  dump_stack+0x1c4/0x2b4
[  228.581792]  ? dump_stack_print_info.cold.2+0x52/0x52
[  228.588746] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  228.598067]  warn_alloc.cold.119+0xb7/0x1bd
[  228.600614] ksoftirqd/1 cpuset=
[  228.602746]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  228.607676] /
[  228.612853]  ? lock_downgrade+0x900/0x900
[  228.623627]  mems_allowed=0
[  228.627951]  ? trace_hardirqs_off+0xb8/0x310
[  228.649135]  ? trace_hardirqs_off+0xb8/0x310
[  228.653541]  __alloc_pages_slowpath+0x2667/0x2d80
[  228.658385]  ? warn_alloc+0x120/0x120
[  228.662180]  ? warn_alloc+0x120/0x120
[  228.665968]  ? warn_alloc+0x120/0x120
[  228.669776]  ? lock_release+0x970/0x970
[  228.673741]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  228.678923]  ? trace_hardirqs_on+0x310/0x310
[  228.683325]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  228.688855]  ? should_fail+0x22d/0xd01
[  228.692742]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  228.697842]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  228.703367]  ? should_fail+0x22d/0xd01
[  228.707244]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  228.712336]  ? should_fail+0x22d/0xd01
[  228.716215]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  228.721308]  ? mark_held_locks+0x130/0x130
[  228.725531]  ? mark_held_locks+0x130/0x130
[  228.729752]  ? kvm_clock_read+0x18/0x30
[  228.733715]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  228.738821]  ? ktime_get+0x2e1/0x440
[  228.742525]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.748050]  ? check_preemption_disabled+0x48/0x200
[  228.753054]  ? kasan_check_read+0x11/0x20
[  228.757193]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  228.762459]  ? rcu_bh_qs+0xc0/0xc0
[  228.765987]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.771514]  ? check_preemption_disabled+0x48/0x200
[  228.776519]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  228.781522]  ? widen_string+0xe0/0x2e0
[  228.785422]  __alloc_pages_nodemask+0xa80/0xde0
[  228.790080]  ? should_fail+0x22d/0xd01
[  228.794044]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  228.799241]  ? ____cache_alloc_node+0x1c7/0x1e0
[  228.803914]  ? lock_downgrade+0x900/0x900
[  228.808156]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.813690]  cache_grow_begin+0x91/0x8c0
[  228.817741]  ? do_raw_spin_unlock+0xa7/0x2f0
[  228.822144]  fallback_alloc+0x203/0x2e0
[  228.826113]  ____cache_alloc_node+0x1c7/0x1e0
[  228.830601]  kmem_cache_alloc_node+0xe3/0x730
[  228.835094]  ? ipv6_get_ifaddr+0x42e/0x620
[  228.839322]  __alloc_skb+0x119/0x770
[  228.843047]  ? skb_scrub_packet+0x490/0x490
[  228.847357]  ? lock_downgrade+0x900/0x900
[  228.851497]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.857026]  ? refcount_sub_and_test_checked+0x203/0x310
[  228.862469]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  228.867912]  ? addrconf_rs_timer+0x690/0x690
[  228.872317]  ndisc_alloc_skb+0x144/0x340
[  228.876370]  ndisc_send_rs+0x331/0x6e0
[  228.880256]  addrconf_rs_timer+0x314/0x690
[  228.884486]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  228.888712]  call_timer_fn+0x272/0x920
[  228.892585]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  228.896807]  ? process_timeout+0x40/0x40
[  228.900865]  ? trace_hardirqs_off+0xb8/0x310
[  228.905260]  ? kasan_check_read+0x11/0x20
[  228.909411]  ? do_raw_spin_unlock+0xa7/0x2f0
[  228.913813]  ? trace_hardirqs_on+0x310/0x310
[  228.918215]  ? __run_timers+0x7da/0xc70
[  228.922181]  ? lock_downgrade+0x900/0x900
[  228.926323]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  228.931418]  ? trace_hardirqs_on+0xbd/0x310
[  228.935724]  ? kasan_check_read+0x11/0x20
[  228.939870]  ? __run_timers+0x7da/0xc70
[  228.943834]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  228.949274]  ? kasan_check_write+0x14/0x20
[  228.953502]  ? do_raw_spin_lock+0xc1/0x200
[  228.957732]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  228.961959]  __run_timers+0x7e5/0xc70
[  228.965756]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  228.971110]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  228.976117]  ? timerqueue_add+0x207/0x2b0
[  228.980260]  ? enqueue_hrtimer+0x1a5/0x560
[  228.984482]  ? lock_release+0x970/0x970
[  228.988449]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  228.993628]  ? kasan_check_write+0x14/0x20
[  228.997858]  ? pvclock_read_flags+0x160/0x160
[  229.002359]  ? lock_downgrade+0x900/0x900
[  229.006528]  ? trace_hardirqs_on+0xbd/0x310
[  229.010840]  ? kvm_sched_clock_read+0x9/0x20
[  229.015240]  ? irq_exit+0x17f/0x1c0
[  229.018859]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.024394]  ? check_preemption_disabled+0x48/0x200
[  229.029410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.034944]  run_timer_softirq+0x52/0xb0
[  229.038996]  ? __this_cpu_preempt_check+0x1c/0x1f
[  229.043830]  __do_softirq+0x30b/0xad8
[  229.047627]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  229.052725]  ? pvclock_read_flags+0x160/0x160
[  229.057211]  ? lapic_next_event+0x5a/0x90
[  229.061350]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.066881]  ? clockevents_program_event+0x140/0x370
[  229.071988]  ? kvm_clock_read+0x18/0x30
[  229.075960]  ? kvm_sched_clock_read+0x9/0x20
[  229.080408]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.085937]  ? check_preemption_disabled+0x48/0x200
[  229.090955]  irq_exit+0x17f/0x1c0
[  229.094407]  smp_apic_timer_interrupt+0x1cb/0x760
[  229.099237]  ? smp_reschedule_interrupt+0x109/0x650
[  229.104243]  ? smp_call_function_single_interrupt+0x650/0x650
[  229.110116]  ? interrupt_entry+0xb5/0xf0
[  229.114171]  ? trace_hardirqs_off_caller+0xbb/0x310
[  229.119175]  ? trace_hardirqs_off_caller+0xbb/0x310
[  229.124180]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  229.129014]  ? trace_hardirqs_on_caller+0x310/0x310
[  229.134021]  ? trace_hardirqs_on_caller+0x310/0x310
[  229.139030]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.144560]  ? check_preemption_disabled+0x48/0x200
[  229.149569]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  229.154408]  apic_timer_interrupt+0xf/0x20
[  229.158625]  </IRQ>
[  229.160854] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  229.165777] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  229.184670] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  229.192373] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  229.199640] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  229.206899] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  229.214157] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  229.221416] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  229.228685]  ? trace_hardirqs_on+0xb4/0x310
[  229.233007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.238539]  skb_clone+0x1bb/0x500
[  229.242067]  ? finish_task_switch+0x2f5/0x900
[  229.246550]  ? skb_split+0x11e0/0x11e0
[  229.250425]  ? preempt_notifier_register+0x200/0x200
[  229.255513]  ? __switch_to_asm+0x34/0x70
[  229.259562]  ? __switch_to_asm+0x34/0x70
[  229.263607]  ? __switch_to_asm+0x40/0x70
[  229.267674]  ? __switch_to_asm+0x34/0x70
[  229.271725]  ? __switch_to_asm+0x40/0x70
[  229.275774]  ? __switch_to_asm+0x34/0x70
[  229.279823]  ? __switch_to_asm+0x40/0x70
[  229.283874]  ? __switch_to_asm+0x34/0x70
[  229.288026]  ? __switch_to_asm+0x34/0x70
[  229.292092]  ? __switch_to_asm+0x40/0x70
[  229.296139]  ? __switch_to_asm+0x34/0x70
[  229.300189]  bpf_clone_redirect+0xb9/0x490
[  229.304420]  ? __schedule+0x874/0x1ed0
[  229.308296]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  229.313217]  ? __sched_text_start+0x8/0x8
[  229.317362]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  229.322127]  ? retint_kernel+0x2d/0x2d
[  229.326008]  ? lock_acquire+0x1ed/0x520
[  229.329971]  ? bpf_test_run+0x32e/0x5a0
[  229.333953]  ? lock_release+0x970/0x970
[  229.337928]  ? preempt_schedule+0x4d/0x60
[  229.342072]  ? preempt_schedule_common+0x1f/0xd0
[  229.346816]  ? preempt_schedule+0x4d/0x60
[  229.350953]  ? ___preempt_schedule+0x16/0x18
[  229.355360]  ? bpf_test_run+0x1c0/0x5a0
[  229.359335]  ? netlink_diag_dump+0x2a0/0x2a0
[  229.363747]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  229.369273]  ? bpf_test_init.isra.9+0x70/0x100
[  229.373866]  ? bpf_prog_test_run_skb+0x634/0xb40
[  229.378614]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  229.383445]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  229.388969]  ? fput+0x130/0x1a0
[  229.392238]  ? __bpf_prog_get+0x9b/0x290
[  229.396288]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  229.401116]  ? bpf_prog_test_run+0x130/0x1a0
[  229.405515]  ? __x64_sys_bpf+0x3d8/0x510
[  229.409566]  ? bpf_prog_get+0x20/0x20
[  229.413375]  ? do_syscall_64+0x1b9/0x820
[  229.417430]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  229.422784]  ? syscall_return_slowpath+0x5e0/0x5e0
[  229.427705]  ? trace_hardirqs_on_caller+0x310/0x310
[  229.432710]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  229.437713]  ? recalc_sigpending_tsk+0x180/0x180
[  229.442458]  ? kasan_check_write+0x14/0x20
[  229.446684]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  229.451521]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  229.457724] warn_alloc_show_mem: 1 callbacks suppressed
[  229.457733] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  229.457735] Mem-Info:
[  229.457764] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  229.457764]  active_file:16 inactive_file:17 isolated_file:0
[  229.457764]  unevictable:0 dirty:0 writeback:0 unstable:0
[  229.457764]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  229.457764]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  229.457764]  free:13792 free_pcp:309 free_cma:0
[  229.463094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  229.470515] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  229.472901] Call Trace:
[  229.506679] Node 0 
[  229.516034]  dump_stack+0x1c4/0x2b4
[  229.543860] 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
[  229.546432]  ? dump_stack_print_info.cold.2+0x52/0x52
[  229.548633] lowmem_reserve[]:
[  229.552251]  warn_alloc.cold.119+0xb7/0x1bd
[  229.577716]  0
[  229.582895]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  229.585969]  2819
[  229.590277]  ? lock_downgrade+0x900/0x900
[  229.592047]  6323
[  229.597379]  ? trace_hardirqs_off+0xb8/0x310
[  229.599437]  6323
[  229.599442] Node 0 DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  229.599462] lowmem_reserve[]: 0 0 3503 3503
[  229.599473] Node 0 Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  229.599493] lowmem_reserve[]: 0 0 0 0
[  229.599504] 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
[  229.599552] Node 0 DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB
[  229.599605] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB
[  229.599655] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  229.599661] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  229.599663] 4986 total pagecache pages
[  229.599667] 0 pages in swap cache
[  229.599672] Swap cache stats: add 0, delete 0, find 0/0
[  229.599675] Free swap  = 0kB
[  229.599677] Total swap = 0kB
[  229.599680] 1965979 pages RAM
[  229.599682] 0 pages HighMem/MovableOnly
[  229.599685] 342307 pages reserved
[  229.599687] 0 pages cma reserved
[  229.599730] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  229.599764] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  229.599768] syz-executor4 cpuset=syz4 mems_allowed=0
[  229.799050]  ? trace_hardirqs_off+0xb8/0x310
[  229.803457]  __alloc_pages_slowpath+0x2667/0x2d80
[  229.808302]  ? warn_alloc+0x120/0x120
[  229.812103]  ? warn_alloc+0x120/0x120
[  229.815897]  ? warn_alloc+0x120/0x120
[  229.819687]  ? mark_held_locks+0x130/0x130
[  229.823912]  ? mark_held_locks+0x130/0x130
[  229.828136]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.833661]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  229.839184]  ? should_fail+0x22d/0xd01
[  229.843061]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  229.848150]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  229.853674]  ? should_fail+0x22d/0xd01
[  229.857552]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  229.862644]  ? should_fail+0x22d/0xd01
[  229.866526]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  229.871619]  ? mark_held_locks+0x130/0x130
[  229.876357]  ? mark_held_locks+0x130/0x130
[  229.880598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.886124]  ? trace_hardirqs_off+0xb8/0x310
[  229.890536]  ? kasan_check_read+0x11/0x20
[  229.894677]  ? do_raw_spin_unlock+0xa7/0x2f0
[  229.899076]  ? trace_hardirqs_on+0x310/0x310
[  229.903471]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.909515]  ? wq_watchdog_touch+0x9c/0xfe
[  229.913740]  ? io_serial_in+0x11/0x90
[  229.920848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.926381]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  229.931500]  __alloc_pages_nodemask+0xa80/0xde0
[  229.936600]  ? should_fail+0x22d/0xd01
[  229.940491]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  229.945504]  ? ____cache_alloc_node+0x1c7/0x1e0
[  229.950163]  ? lock_downgrade+0x900/0x900
[  229.954312]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.959857]  cache_grow_begin+0x91/0x8c0
[  229.963906]  ? do_raw_spin_unlock+0xa7/0x2f0
[  229.968317]  fallback_alloc+0x203/0x2e0
[  229.972285]  ____cache_alloc_node+0x1c7/0x1e0
[  229.976782]  kmem_cache_alloc_node+0xe3/0x730
[  229.981285]  ? ipv6_get_ifaddr+0x42e/0x620
[  229.985522]  __alloc_skb+0x119/0x770
[  229.989226]  ? skb_scrub_packet+0x490/0x490
[  229.993536]  ? lock_downgrade+0x900/0x900
[  229.997681]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.003247]  ? refcount_sub_and_test_checked+0x203/0x310
[  230.009202]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  230.014642]  ? addrconf_rs_timer+0x690/0x690
[  230.019047]  ndisc_alloc_skb+0x144/0x340
[  230.023097]  ndisc_send_rs+0x331/0x6e0
[  230.026977]  addrconf_rs_timer+0x314/0x690
[  230.031292]  ? lock_release+0x970/0x970
[  230.035258]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.039493]  call_timer_fn+0x272/0x920
[  230.043368]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.047591]  ? process_timeout+0x40/0x40
[  230.051638]  ? kasan_check_read+0x11/0x20
[  230.055779]  ? do_raw_spin_unlock+0xa7/0x2f0
[  230.060177]  ? trace_hardirqs_on+0x310/0x310
[  230.064579]  ? __run_timers+0x7da/0xc70
[  230.068730]  ? lock_downgrade+0x900/0x900
[  230.072869]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  230.077959]  ? trace_hardirqs_on+0xbd/0x310
[  230.082270]  ? kasan_check_read+0x11/0x20
[  230.086415]  ? __run_timers+0x7da/0xc70
[  230.090378]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  230.095835]  ? kasan_check_write+0x14/0x20
[  230.100057]  ? do_raw_spin_lock+0xc1/0x200
[  230.104289]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.108512]  __run_timers+0x7e5/0xc70
[  230.112827]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  230.118179]  ? compat_start_thread+0x80/0x80
[  230.122570]  ? dequeue_entity+0x1770/0x1770
[  230.127120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.132641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.138169]  ? kasan_check_write+0x14/0x20
[  230.142417]  ? finish_task_switch+0x2f5/0x900
[  230.146898]  ? __switch_to_asm+0x40/0x70
[  230.150952]  ? preempt_notifier_register+0x200/0x200
[  230.156041]  ? __switch_to_asm+0x34/0x70
[  230.160088]  ? __switch_to_asm+0x40/0x70
[  230.164138]  ? __switch_to_asm+0x34/0x70
[  230.168186]  ? __switch_to_asm+0x40/0x70
[  230.172235]  ? __switch_to_asm+0x34/0x70
[  230.176289]  ? __switch_to_asm+0x40/0x70
[  230.180346]  ? pvclock_read_flags+0x160/0x160
[  230.184832]  ? __schedule+0x874/0x1ed0
[  230.190454]  ? run_rebalance_domains+0x38d/0x500
[  230.197464]  ? trace_hardirqs_on+0xbd/0x310
[  230.201775]  ? kvm_sched_clock_read+0x9/0x20
[  230.206175]  ? run_ksoftirqd+0x94/0x100
[  230.210136]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.215750]  ? check_preemption_disabled+0x48/0x200
[  230.221230]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.226762]  run_timer_softirq+0x52/0xb0
[  230.230814]  ? __this_cpu_preempt_check+0x1c/0x1f
[  230.235649]  __do_softirq+0x30b/0xad8
[  230.239446]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  230.244537]  ? trace_hardirqs_off+0xb8/0x310
[  230.248935]  ? schedule+0x108/0x460
[  230.252636]  ? __schedule+0x1ed0/0x1ed0
[  230.256599]  ? run_ksoftirqd+0x99/0x100
[  230.260562]  ? trace_hardirqs_off+0xb8/0x310
[  230.264961]  ? ___might_sleep+0x1ed/0x300
[  230.269101]  ? smpboot_thread_fn+0x68b/0xa00
[  230.273503]  ? trace_hardirqs_on+0x310/0x310
[  230.277898]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  230.283946]  ? check_preemption_disabled+0x48/0x200
[  230.288956]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.294572]  ? takeover_tasklets+0xa90/0xa90
[  230.298973]  run_ksoftirqd+0x94/0x100
[  230.302767]  smpboot_thread_fn+0x68b/0xa00
[  230.306996]  ? sort_range+0x30/0x30
[  230.311100]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  230.316191]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  230.321719]  ? __kthread_parkme+0xfb/0x1a0
[  230.325944]  kthread+0x35a/0x420
[  230.329311]  ? sort_range+0x30/0x30
[  230.332930]  ? kthread_bind+0x40/0x40
[  230.336719]  ret_from_fork+0x3a/0x50
[  230.340436] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  230.340483] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  230.347695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  230.347714] Call Trace:
[  230.354243] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  230.363513]  <IRQ>
[  230.366074] ksoftirqd/1 cpuset=
[  230.376367]  dump_stack+0x1c4/0x2b4
[  230.378480] /
[  230.381761]  ? dump_stack_print_info.cold.2+0x52/0x52
[  230.385357]  mems_allowed=0
[  230.387056]  warn_alloc.cold.119+0xb7/0x1bd
[  230.399429]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  230.404293]  ? lock_downgrade+0x900/0x900
[  230.408451]  ? trace_hardirqs_off+0xb8/0x310
[  230.412849]  ? trace_hardirqs_off+0xb8/0x310
[  230.417259]  __alloc_pages_slowpath+0x2667/0x2d80
[  230.422111]  ? warn_alloc+0x120/0x120
[  230.425902]  ? warn_alloc+0x120/0x120
[  230.429691]  ? warn_alloc+0x120/0x120
[  230.433476]  ? lock_release+0x970/0x970
[  230.437438]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  230.442616]  ? trace_hardirqs_on+0x310/0x310
[  230.447031]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  230.452577]  ? should_fail+0x22d/0xd01
[  230.457755]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  230.462849]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  230.468378]  ? should_fail+0x22d/0xd01
[  230.472265]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  230.477797]  ? should_fail+0x22d/0xd01
[  230.481681]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  230.486779]  ? mark_held_locks+0x130/0x130
[  230.491004]  ? mark_held_locks+0x130/0x130
[  230.496283]  ? kvm_clock_read+0x18/0x30
[  230.500263]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  230.505295]  ? ktime_get+0x2e1/0x440
[  230.510740]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.516281]  ? check_preemption_disabled+0x48/0x200
[  230.521298]  ? kasan_check_read+0x11/0x20
[  230.525460]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  230.530720]  ? rcu_bh_qs+0xc0/0xc0
[  230.534260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.539789]  ? check_preemption_disabled+0x48/0x200
[  230.544792]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  230.549817]  ? widen_string+0xe0/0x2e0
[  230.553702]  __alloc_pages_nodemask+0xa80/0xde0
[  230.558362]  ? should_fail+0x22d/0xd01
[  230.562250]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  230.567284]  ? ____cache_alloc_node+0x1c7/0x1e0
[  230.571941]  ? lock_downgrade+0x900/0x900
[  230.576080]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.581610]  cache_grow_begin+0x91/0x8c0
[  230.585660]  ? do_raw_spin_unlock+0xa7/0x2f0
[  230.590070]  fallback_alloc+0x203/0x2e0
[  230.594048]  ____cache_alloc_node+0x1c7/0x1e0
[  230.598535]  kmem_cache_alloc_node+0xe3/0x730
[  230.603026]  ? ipv6_get_ifaddr+0x42e/0x620
[  230.607268]  __alloc_skb+0x119/0x770
[  230.610973]  ? skb_scrub_packet+0x490/0x490
[  230.615286]  ? lock_downgrade+0x900/0x900
[  230.619446]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.624979]  ? refcount_sub_and_test_checked+0x203/0x310
[  230.630424]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  230.635861]  ? addrconf_rs_timer+0x690/0x690
[  230.640278]  ndisc_alloc_skb+0x144/0x340
[  230.644329]  ndisc_send_rs+0x331/0x6e0
[  230.648209]  addrconf_rs_timer+0x314/0x690
[  230.652442]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.656685]  call_timer_fn+0x272/0x920
[  230.660560]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.664786]  ? process_timeout+0x40/0x40
[  230.668839]  ? trace_hardirqs_off+0xb8/0x310
[  230.673243]  ? kasan_check_read+0x11/0x20
[  230.677387]  ? do_raw_spin_unlock+0xa7/0x2f0
[  230.681791]  ? trace_hardirqs_on+0x310/0x310
[  230.686191]  ? __run_timers+0x7da/0xc70
[  230.690167]  ? lock_downgrade+0x900/0x900
[  230.694321]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  230.699413]  ? trace_hardirqs_on+0xbd/0x310
[  230.703721]  ? kasan_check_read+0x11/0x20
[  230.707861]  ? __run_timers+0x7da/0xc70
[  230.711828]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  230.717275]  ? kasan_check_write+0x14/0x20
[  230.721499]  ? do_raw_spin_lock+0xc1/0x200
[  230.725728]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.729964]  __run_timers+0x7e5/0xc70
[  230.733762]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  230.739114]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  230.744118]  ? timerqueue_add+0x207/0x2b0
[  230.748259]  ? enqueue_hrtimer+0x1a5/0x560
[  230.752481]  ? lock_release+0x970/0x970
[  230.756443]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  230.761627]  ? kasan_check_write+0x14/0x20
[  230.765857]  ? pvclock_read_flags+0x160/0x160
[  230.770345]  ? lock_downgrade+0x900/0x900
[  230.774487]  ? trace_hardirqs_on+0xbd/0x310
[  230.778796]  ? kvm_sched_clock_read+0x9/0x20
[  230.783194]  ? irq_exit+0x17f/0x1c0
[  230.786815]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.792343]  ? check_preemption_disabled+0x48/0x200
[  230.797359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.802974]  run_timer_softirq+0x52/0xb0
[  230.807025]  ? __this_cpu_preempt_check+0x1c/0x1f
[  230.811861]  __do_softirq+0x30b/0xad8
[  230.815656]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  230.820750]  ? pvclock_read_flags+0x160/0x160
[  230.825236]  ? lapic_next_event+0x5a/0x90
[  230.829378]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.834904]  ? clockevents_program_event+0x140/0x370
[  230.839999]  ? kvm_clock_read+0x18/0x30
[  230.843962]  ? kvm_sched_clock_read+0x9/0x20
[  230.848359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.853886]  ? check_preemption_disabled+0x48/0x200
[  230.858898]  irq_exit+0x17f/0x1c0
[  230.862340]  smp_apic_timer_interrupt+0x1cb/0x760
[  230.867170]  ? smp_reschedule_interrupt+0x109/0x650
[  230.872174]  ? smp_call_function_single_interrupt+0x650/0x650
[  230.878044]  ? interrupt_entry+0xb5/0xf0
[  230.882094]  ? trace_hardirqs_off_caller+0xbb/0x310
[  230.887099]  ? trace_hardirqs_off_caller+0xbb/0x310
[  230.892104]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  230.896973]  ? trace_hardirqs_on_caller+0x310/0x310
[  230.901979]  ? trace_hardirqs_on_caller+0x310/0x310
[  230.906985]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.912510]  ? check_preemption_disabled+0x48/0x200
[  230.917521]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  230.922355]  apic_timer_interrupt+0xf/0x20
[  230.926572]  </IRQ>
[  230.928800] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  230.933719] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  230.952610] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  230.960314] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  230.967571] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  230.974830] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  230.982088] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  230.989349] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  230.996754]  ? trace_hardirqs_on+0xb4/0x310
[  231.001087]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.006612]  skb_clone+0x1bb/0x500
[  231.010154]  ? finish_task_switch+0x2f5/0x900
[  231.014637]  ? skb_split+0x11e0/0x11e0
[  231.018518]  ? preempt_notifier_register+0x200/0x200
[  231.023612]  ? __switch_to_asm+0x34/0x70
[  231.027660]  ? __switch_to_asm+0x34/0x70
[  231.031707]  ? __switch_to_asm+0x40/0x70
[  231.035757]  ? __switch_to_asm+0x34/0x70
[  231.039808]  ? __switch_to_asm+0x40/0x70
[  231.043854]  ? __switch_to_asm+0x34/0x70
[  231.047913]  ? __switch_to_asm+0x40/0x70
[  231.051970]  ? __switch_to_asm+0x34/0x70
[  231.056034]  ? __switch_to_asm+0x34/0x70
[  231.060083]  ? __switch_to_asm+0x40/0x70
[  231.064133]  ? __switch_to_asm+0x34/0x70
[  231.068189]  bpf_clone_redirect+0xb9/0x490
[  231.072421]  ? __schedule+0x874/0x1ed0
[  231.076300]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  231.081229]  ? __sched_text_start+0x8/0x8
[  231.085368]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  231.090117]  ? retint_kernel+0x2d/0x2d
[  231.094118]  ? lock_acquire+0x1ed/0x520
[  231.098083]  ? bpf_test_run+0x32e/0x5a0
[  231.102051]  ? lock_release+0x970/0x970
[  231.106017]  ? preempt_schedule+0x4d/0x60
[  231.110155]  ? preempt_schedule_common+0x1f/0xd0
[  231.115364]  ? preempt_schedule+0x4d/0x60
[  231.119504]  ? ___preempt_schedule+0x16/0x18
[  231.123905]  ? bpf_test_run+0x1c0/0x5a0
[  231.127873]  ? netlink_diag_dump+0x2a0/0x2a0
[  231.132275]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  231.137803]  ? bpf_test_init.isra.9+0x70/0x100
[  231.142377]  ? bpf_prog_test_run_skb+0x634/0xb40
[  231.147123]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  231.151953]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  231.157476]  ? fput+0x130/0x1a0
[  231.160757]  ? __bpf_prog_get+0x9b/0x290
[  231.164808]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  231.169638]  ? bpf_prog_test_run+0x130/0x1a0
[  231.174058]  ? __x64_sys_bpf+0x3d8/0x510
[  231.178112]  ? bpf_prog_get+0x20/0x20
[  231.181908]  ? do_syscall_64+0x1b9/0x820
[  231.185960]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  231.191314]  ? syscall_return_slowpath+0x5e0/0x5e0
[  231.196239]  ? trace_hardirqs_on_caller+0x310/0x310
[  231.201245]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  231.206252]  ? recalc_sigpending_tsk+0x180/0x180
[  231.210999]  ? kasan_check_write+0x14/0x20
[  231.215236]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  231.220069]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  231.225432] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  231.225437] warn_alloc_show_mem: 1 callbacks suppressed
[  231.225442] Mem-Info:
[  231.232269] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  231.237625] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  231.237625]  active_file:16 inactive_file:17 isolated_file:0
[  231.237625]  unevictable:0 dirty:0 writeback:0 unstable:0
[  231.237625]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  231.237625]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  231.237625]  free:13792 free_pcp:309 free_cma:0
[  231.240009] Call Trace:
[  231.249379] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  231.282400]  dump_stack+0x1c4/0x2b4
[  231.284952] Node 0 
[  231.313389]  ? dump_stack_print_info.cold.2+0x52/0x52
[  231.317003] 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
[  231.319213]  warn_alloc.cold.119+0xb7/0x1bd
[  231.324371] lowmem_reserve[]:
[  231.350419]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  231.354704]  0 2819
[  231.357803]  ? lock_downgrade+0x900/0x900
[  231.362614]  6323
[  231.364837]  ? trace_hardirqs_off+0xb8/0x310
[  231.368951]  6323
[  231.370999]  ? trace_hardirqs_off+0xb8/0x310
[  231.377421]  __alloc_pages_slowpath+0x2667/0x2d80
[  231.381794] Node 0 DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  231.386641]  ? warn_alloc+0x120/0x120
[  231.386656]  ? warn_alloc+0x120/0x120
[  231.414334] lowmem_reserve[]:
[  231.418615]  ? warn_alloc+0x120/0x120
[  231.422382]  0
[  231.425474]  ? mark_held_locks+0x130/0x130
[  231.429244]  0
[  231.431030]  ? mark_held_locks+0x130/0x130
[  231.435229]  3503
[  231.437015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.441218]  3503
[  231.443264]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  231.450815]  ? should_fail+0x22d/0xd01
[  231.459721] Node 0 Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  231.463627]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  231.463644]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  231.493345] lowmem_reserve[]:
[  231.498449]  ? should_fail+0x22d/0xd01
[  231.503948]  0
[  231.507042]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  231.510892]  0 0
[  231.512691]  ? should_fail+0x22d/0xd01
[  231.517759]  0
[  231.519725]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  231.523577] Node 0 
[  231.525367]  ? mark_held_locks+0x130/0x130
[  231.530428] DMA: 1*4kB 
[  231.532654]  ? mark_held_locks+0x130/0x130
[  231.536858] (U) 
[  231.539429]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.543718] 0*8kB 
[  231.545678]  ? trace_hardirqs_off+0xb8/0x310
[  231.551187] 0*16kB 
[  231.553321]  ? kasan_check_read+0x11/0x20
[  231.557694] 1*32kB 
[  231.559914]  ? do_raw_spin_unlock+0xa7/0x2f0
[  231.564028] (U) 
[  231.566250]  ? trace_hardirqs_on+0x310/0x310
[  231.570623] 2*64kB 
[  231.572586]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.576960] (U) 
[  231.579206]  ? wq_watchdog_touch+0x9c/0xfe
[  231.579223]  ? io_serial_in+0x11/0x90
[  231.584731] 1*128kB 
[  231.586695]  ? retint_kernel+0x2d/0x2d
[  231.590979] (U) 
[  231.594764]  ? trace_hardirqs_on_caller+0xc0/0x310
[  231.597054] 1*256kB 
[  231.600926]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  231.602867] (U) 
[  231.607777]  ? trace_hardirqs_off+0x310/0x310
[  231.610070] 0*512kB 
[  231.614799]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  231.614817]  __alloc_pages_nodemask+0xa80/0xde0
[  231.616762] 1*1024kB 
[  231.621243]  ? should_fail+0x22d/0xd01
[  231.623534] (U) 
[  231.628623]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  231.633265] 1*2048kB 
[  231.635667]  ? ____cache_alloc_node+0x1c7/0x1e0
[  231.639516] (M) 
[  231.641474]  ? lock_downgrade+0x900/0x900
[  231.646457] 3*4096kB 
[  231.648851]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.653487] (M) 
[  231.655447]  cache_grow_begin+0x91/0x8c0
[  231.659568] = 15908kB
[  231.662461]  ? do_raw_spin_unlock+0xa7/0x2f0
[  231.667962] Node 0 
[  231.669925]  fallback_alloc+0x203/0x2e0
[  231.673953] DMA32: 
[  231.676348]  ____cache_alloc_node+0x1c7/0x1e0
[  231.680723] 6*4kB 
[  231.682947]  kmem_cache_alloc_node+0xe3/0x730
[  231.686895] (UME) 
[  231.689594]  ? ipv6_get_ifaddr+0x42e/0x620
[  231.694061] 2*8kB 
[  231.696200]  __alloc_skb+0x119/0x770
[  231.700661] (UE) 
[  231.702797]  ? skb_scrub_packet+0x490/0x490
[  231.707000] 4*16kB 
[  231.709135]  ? lock_downgrade+0x900/0x900
[  231.712819] (UME) 
[  231.714867]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.719163] 4*32kB 
[  231.721384]  ? refcount_sub_and_test_checked+0x203/0x310
[  231.725498] (UME) 
[  231.727632]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  231.733136] 5*64kB 
[  231.735364]  ? addrconf_rs_timer+0x690/0x690
[  231.740780] (ME) 
[  231.742920]  ndisc_alloc_skb+0x144/0x340
[  231.748332] 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB
[  231.748371] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB
[  231.748443] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  231.748452] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  231.748455] 4986 total pagecache pages
[  231.748462] 0 pages in swap cache
[  231.748469] Swap cache stats: add 0, delete 0, find 0/0
[  231.748472] Free swap  = 0kB
[  231.748476] Total swap = 0kB
[  231.748480] 1965979 pages RAM
[  231.748484] 0 pages HighMem/MovableOnly
[  231.748487] 342307 pages reserved
[  231.748491] 0 pages cma reserved
[  231.748544] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  231.748670] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  231.748675] syz-executor4 cpuset=syz4 mems_allowed=0
[  231.750914]  ndisc_send_rs+0x331/0x6e0
[  231.865556]  addrconf_rs_timer+0x314/0x690
[  231.869778]  ? lock_release+0x970/0x970
[  231.873754]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  231.877986]  call_timer_fn+0x272/0x920
[  231.881861]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  231.886086]  ? process_timeout+0x40/0x40
[  231.890146]  ? kasan_check_read+0x11/0x20
[  231.894796]  ? do_raw_spin_unlock+0xa7/0x2f0
[  231.901598]  ? trace_hardirqs_on+0x310/0x310
[  231.905997]  ? __run_timers+0x7da/0xc70
[  231.909960]  ? lock_downgrade+0x900/0x900
[  231.914098]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  231.919661]  ? trace_hardirqs_on+0xbd/0x310
[  231.923971]  ? kasan_check_read+0x11/0x20
[  231.928107]  ? __run_timers+0x7da/0xc70
[  231.932078]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  231.937516]  ? kasan_check_write+0x14/0x20
[  231.941742]  ? do_raw_spin_lock+0xc1/0x200
[  231.945970]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  231.950196]  __run_timers+0x7e5/0xc70
[  231.954483]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  231.959834]  ? compat_start_thread+0x80/0x80
[  231.964735]  ? dequeue_entity+0x1770/0x1770
[  231.969046]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.974592]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.980119]  ? kasan_check_write+0x14/0x20
[  231.984351]  ? finish_task_switch+0x2f5/0x900
[  231.988831]  ? __switch_to_asm+0x40/0x70
[  231.992885]  ? preempt_notifier_register+0x200/0x200
[  231.997975]  ? __switch_to_asm+0x34/0x70
[  232.002021]  ? __switch_to_asm+0x40/0x70
[  232.006070]  ? __switch_to_asm+0x34/0x70
[  232.010126]  ? __switch_to_asm+0x40/0x70
[  232.014174]  ? __switch_to_asm+0x34/0x70
[  232.018222]  ? __switch_to_asm+0x40/0x70
[  232.022280]  ? pvclock_read_flags+0x160/0x160
[  232.026767]  ? __schedule+0x874/0x1ed0
[  232.030649]  ? run_rebalance_domains+0x38d/0x500
[  232.035397]  ? trace_hardirqs_on+0xbd/0x310
[  232.039708]  ? kvm_sched_clock_read+0x9/0x20
[  232.044106]  ? run_ksoftirqd+0x94/0x100
[  232.048074]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.054082]  ? check_preemption_disabled+0x48/0x200
[  232.059090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.064624]  run_timer_softirq+0x52/0xb0
[  232.068766]  ? __this_cpu_preempt_check+0x1c/0x1f
[  232.073597]  __do_softirq+0x30b/0xad8
[  232.077391]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  232.082483]  ? trace_hardirqs_off+0xb8/0x310
[  232.086886]  ? schedule+0x108/0x460
[  232.090505]  ? __schedule+0x1ed0/0x1ed0
[  232.094467]  ? run_ksoftirqd+0x99/0x100
[  232.098448]  ? trace_hardirqs_off+0xb8/0x310
[  232.102846]  ? ___might_sleep+0x1ed/0x300
[  232.106982]  ? smpboot_thread_fn+0x68b/0xa00
[  232.111379]  ? trace_hardirqs_on+0x310/0x310
[  232.116475]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  232.122002]  ? check_preemption_disabled+0x48/0x200
[  232.127003]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.132529]  ? takeover_tasklets+0xa90/0xa90
[  232.136927]  run_ksoftirqd+0x94/0x100
[  232.140716]  smpboot_thread_fn+0x68b/0xa00
[  232.144937]  ? sort_range+0x30/0x30
[  232.148557]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  232.153649]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  232.159675]  ? __kthread_parkme+0xfb/0x1a0
[  232.163900]  kthread+0x35a/0x420
[  232.167257]  ? sort_range+0x30/0x30
[  232.170871]  ? kthread_bind+0x40/0x40
[  232.174665]  ret_from_fork+0x3a/0x50
[  232.178379] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  232.178442] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  232.185641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  232.185645] Call Trace:
[  232.185650]  <IRQ>
[  232.185663]  dump_stack+0x1c4/0x2b4
[  232.185679]  ? dump_stack_print_info.cold.2+0x52/0x52
[  232.192206] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  232.201493]  ? trace_hardirqs_on+0x310/0x310
[  232.204048] ksoftirqd/1 cpuset=
[  232.206184]  warn_alloc.cold.119+0xb7/0x1bd
[  232.209774] /
[  232.214946]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  232.225227]  mems_allowed=0
[  232.229618]  ? lock_downgrade+0x900/0x900
[  232.250948]  ? trace_hardirqs_off+0xb8/0x310
[  232.255348]  ? trace_hardirqs_off+0xb8/0x310
[  232.259754]  __alloc_pages_slowpath+0x2667/0x2d80
[  232.264598]  ? warn_alloc+0x120/0x120
[  232.268392]  ? warn_alloc+0x120/0x120
[  232.272193]  ? warn_alloc+0x120/0x120
[  232.275979]  ? lock_release+0x970/0x970
[  232.280456]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  232.285638]  ? trace_hardirqs_on+0x310/0x310
[  232.290038]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  232.295565]  ? should_fail+0x22d/0xd01
[  232.299442]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  232.304534]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  232.310062]  ? should_fail+0x22d/0xd01
[  232.313939]  ? ring_buffer_nest_end+0xd0/0xd0
[  232.318422]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  232.323532]  ? should_fail+0x22d/0xd01
[  232.327426]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  232.332540]  ? mark_held_locks+0x130/0x130
[  232.336779]  ? mark_held_locks+0x130/0x130
[  232.341003]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  232.346529]  ? try_to_wake_up+0x10a/0x12f0
[  232.350756]  ? lock_downgrade+0x900/0x900
[  232.354893]  ? lock_downgrade+0x900/0x900
[  232.359135]  ? trace_hardirqs_off+0xb8/0x310
[  232.363532]  ? kasan_check_read+0x11/0x20
[  232.367672]  ? do_raw_spin_unlock+0xa7/0x2f0
[  232.372069]  ? trace_hardirqs_on+0x310/0x310
[  232.376474]  ? kasan_check_write+0x14/0x20
[  232.380715]  ? do_raw_spin_lock+0xc1/0x200
[  232.384946]  __alloc_pages_nodemask+0xa80/0xde0
[  232.389603]  ? should_fail+0x22d/0xd01
[  232.393482]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  232.398508]  ? ____cache_alloc_node+0x1c7/0x1e0
[  232.403164]  ? lock_downgrade+0x900/0x900
[  232.407307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.412833]  cache_grow_begin+0x91/0x8c0
[  232.416882]  ? do_raw_spin_unlock+0xa7/0x2f0
[  232.421284]  fallback_alloc+0x203/0x2e0
[  232.425252]  ____cache_alloc_node+0x1c7/0x1e0
[  232.429738]  kmem_cache_alloc_node+0xe3/0x730
[  232.434225]  ? ipv6_get_ifaddr+0x42e/0x620
[  232.438451]  __alloc_skb+0x119/0x770
[  232.442157]  ? skb_scrub_packet+0x490/0x490
[  232.446470]  ? lock_downgrade+0x900/0x900
[  232.450615]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.457266]  ? refcount_sub_and_test_checked+0x203/0x310
[  232.462710]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  232.468152]  ? addrconf_rs_timer+0x690/0x690
[  232.474127]  ndisc_alloc_skb+0x144/0x340
[  232.478185]  ndisc_send_rs+0x331/0x6e0
[  232.482064]  addrconf_rs_timer+0x314/0x690
[  232.486301]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  232.490532]  call_timer_fn+0x272/0x920
[  232.494407]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  232.498636]  ? process_timeout+0x40/0x40
[  232.502685]  ? trace_hardirqs_off+0xb8/0x310
[  232.507089]  ? kasan_check_read+0x11/0x20
[  232.511233]  ? do_raw_spin_unlock+0xa7/0x2f0
[  232.515630]  ? trace_hardirqs_on+0x310/0x310
[  232.520030]  ? __run_timers+0x7da/0xc70
[  232.523996]  ? lock_downgrade+0x900/0x900
[  232.528137]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  232.533229]  ? trace_hardirqs_on+0xbd/0x310
[  232.537536]  ? kasan_check_read+0x11/0x20
[  232.541671]  ? __run_timers+0x7da/0xc70
[  232.545632]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  232.551080]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.556612]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  232.560834]  __run_timers+0x7e5/0xc70
[  232.564632]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  232.569986]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  232.574994]  ? timerqueue_add+0x207/0x2b0
[  232.579137]  ? enqueue_hrtimer+0x1a5/0x560
[  232.583463]  ? lock_release+0x970/0x970
[  232.587427]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  232.592657]  ? kasan_check_write+0x14/0x20
[  232.596885]  ? pvclock_read_flags+0x160/0x160
[  232.601370]  ? lock_downgrade+0x900/0x900
[  232.605511]  ? trace_hardirqs_on+0xbd/0x310
[  232.609819]  ? kvm_sched_clock_read+0x9/0x20
[  232.614218]  ? irq_exit+0x17f/0x1c0
[  232.617847]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.623374]  ? check_preemption_disabled+0x48/0x200
[  232.628379]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.633909]  run_timer_softirq+0x52/0xb0
[  232.637959]  ? __this_cpu_preempt_check+0x1c/0x1f
[  232.642794]  __do_softirq+0x30b/0xad8
[  232.646607]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  232.651701]  ? pvclock_read_flags+0x160/0x160
[  232.656186]  ? lapic_next_event+0x5a/0x90
[  232.660322]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.665848]  ? clockevents_program_event+0x140/0x370
[  232.670945]  ? kvm_clock_read+0x18/0x30
[  232.674911]  ? kvm_sched_clock_read+0x9/0x20
[  232.679319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.684852]  ? check_preemption_disabled+0x48/0x200
[  232.689870]  irq_exit+0x17f/0x1c0
[  232.693333]  smp_apic_timer_interrupt+0x1cb/0x760
[  232.698167]  ? smp_reschedule_interrupt+0x109/0x650
[  232.703177]  ? smp_call_function_single_interrupt+0x650/0x650
[  232.709049]  ? interrupt_entry+0xb5/0xf0
[  232.713112]  ? trace_hardirqs_off_caller+0xbb/0x310
[  232.718124]  ? trace_hardirqs_off_caller+0xbb/0x310
[  232.723131]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  232.727964]  ? trace_hardirqs_on_caller+0x310/0x310
[  232.732970]  ? trace_hardirqs_on_caller+0x310/0x310
[  232.737975]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.743590]  ? check_preemption_disabled+0x48/0x200
[  232.748603]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  232.753439]  apic_timer_interrupt+0xf/0x20
[  232.757658]  </IRQ>
[  232.759897] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  232.764832] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  232.783731] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  232.791431] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  232.798689] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  232.805946] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  232.813201] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  232.821325] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  232.828599]  ? trace_hardirqs_on+0xb4/0x310
[  232.832915]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.838445]  skb_clone+0x1bb/0x500
[  232.841976]  ? finish_task_switch+0x2f5/0x900
[  232.846461]  ? skb_split+0x11e0/0x11e0
[  232.850352]  ? preempt_notifier_register+0x200/0x200
[  232.855445]  ? __switch_to_asm+0x34/0x70
[  232.859493]  ? __switch_to_asm+0x34/0x70
[  232.863539]  ? __switch_to_asm+0x40/0x70
[  232.867587]  ? __switch_to_asm+0x34/0x70
[  232.871634]  ? __switch_to_asm+0x40/0x70
[  232.875682]  ? __switch_to_asm+0x34/0x70
[  232.879730]  ? __switch_to_asm+0x40/0x70
[  232.883778]  ? __switch_to_asm+0x34/0x70
[  232.887839]  ? __switch_to_asm+0x34/0x70
[  232.892012]  ? __switch_to_asm+0x40/0x70
[  232.896113]  ? __switch_to_asm+0x34/0x70
[  232.900193]  bpf_clone_redirect+0xb9/0x490
[  232.904418]  ? __schedule+0x874/0x1ed0
[  232.908388]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  232.913310]  ? __sched_text_start+0x8/0x8
[  232.917447]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  232.922193]  ? retint_kernel+0x2d/0x2d
[  232.926082]  ? lock_acquire+0x1ed/0x520
[  232.930054]  ? bpf_test_run+0x32e/0x5a0
[  232.934023]  ? lock_release+0x970/0x970
[  232.937994]  ? preempt_schedule+0x4d/0x60
[  232.942147]  ? preempt_schedule_common+0x1f/0xd0
[  232.946890]  ? preempt_schedule+0x4d/0x60
[  232.951026]  ? ___preempt_schedule+0x16/0x18
[  232.955431]  ? bpf_test_run+0x1c0/0x5a0
[  232.959396]  ? netlink_diag_dump+0x2a0/0x2a0
[  232.963797]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  232.969323]  ? bpf_test_init.isra.9+0x70/0x100
[  232.973893]  ? bpf_prog_test_run_skb+0x634/0xb40
[  232.978641]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  232.983475]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  232.989013]  ? fput+0x130/0x1a0
[  232.992459]  ? __bpf_prog_get+0x9b/0x290
[  232.996525]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  233.001353]  ? bpf_prog_test_run+0x130/0x1a0
[  233.005755]  ? __x64_sys_bpf+0x3d8/0x510
[  233.009802]  ? bpf_prog_get+0x20/0x20
[  233.013687]  ? do_syscall_64+0x1b9/0x820
[  233.017739]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  233.023093]  ? syscall_return_slowpath+0x5e0/0x5e0
[  233.028016]  ? trace_hardirqs_on_caller+0x310/0x310
[  233.033024]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  233.038046]  ? recalc_sigpending_tsk+0x180/0x180
[  233.042809]  ? kasan_check_write+0x14/0x20
[  233.047044]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  233.051886]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  233.057245] warn_alloc_show_mem: 1 callbacks suppressed
[  233.057254] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  233.057256] Mem-Info:
[  233.057284] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  233.057284]  active_file:16 inactive_file:17 isolated_file:0
[  233.057284]  unevictable:0 dirty:0 writeback:0 unstable:0
[  233.057284]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  233.057284]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  233.057284]  free:13792 free_pcp:309 free_cma:0
[  233.062613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  233.062619] Call Trace:
[  233.069452] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  233.071843]  dump_stack+0x1c4/0x2b4
[  233.104861] Node 0 
[  233.114730]  ? dump_stack_print_info.cold.2+0x52/0x52
[  233.117321] 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
[  233.145978]  warn_alloc.cold.119+0xb7/0x1bd
[  233.149568] lowmem_reserve[]:
[  233.151789]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  233.156944]  0
[  233.182621]  ? lock_downgrade+0x900/0x900
[  233.186911]  2819
[  233.189999]  ? trace_hardirqs_off+0xb8/0x310
[  233.194805]  6323
[  233.196591]  ? trace_hardirqs_off+0xb8/0x310
[  233.200701]  6323
[  233.202759]  __alloc_pages_slowpath+0x2667/0x2d80
[  233.207134] Node 0 
[  233.209190]  ? warn_alloc+0x120/0x120
[  233.213582] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  233.215606]  ? warn_alloc+0x120/0x120
[  233.220419] lowmem_reserve[]:
[  233.222640]  ? warn_alloc+0x120/0x120
[  233.226402]  0 0
[  233.253965]  ? mark_held_locks+0x130/0x130
[  233.257833]  3503
[  233.262106]  ? mark_held_locks+0x130/0x130
[  233.265898]  3503
[  233.267862]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.274111]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.278309] Node 0 
[  233.280356]  ? should_fail+0x22d/0xd01
[  233.285896] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  233.291397]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  233.293612] lowmem_reserve[]:
[  233.297483]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.325815]  0
[  233.330902]  ? should_fail+0x22d/0xd01
[  233.333976]  0
[  233.339494]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  233.341265]  0
[  233.345135]  ? should_fail+0x22d/0xd01
[  233.346904]  0
[  233.351989]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  233.357628]  ? mark_held_locks+0x130/0x130
[  233.359397] Node 0 
[  233.364490]  ? mark_held_locks+0x130/0x130
[  233.368695] DMA: 
[  233.370919]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.375122] 1*4kB 
[  233.377193]  ? trace_hardirqs_off+0xb8/0x310
[  233.382806] (U) 
[  233.384958]  ? kasan_check_read+0x11/0x20
[  233.389333] 0*8kB 
[  233.391295]  ? do_raw_spin_unlock+0xa7/0x2f0
[  233.395410] 0*16kB 
[  233.397545]  ? trace_hardirqs_on+0x310/0x310
[  233.401919] 1*32kB 
[  233.404141]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.408516] (U) 
[  233.410739]  ? wq_watchdog_touch+0x9c/0xfe
[  233.416244] 2*64kB 
[  233.418203]  ? io_serial_in+0x11/0x90
[  233.422415] (U) 
[  233.424634]  ? retint_kernel+0x2d/0x2d
[  233.428402] 1*128kB 
[  233.430363]  ? trace_hardirqs_on_caller+0xc0/0x310
[  233.434217] (U) 
[  233.436522]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  233.441418] 1*256kB 
[  233.443378]  ? trace_hardirqs_off+0x310/0x310
[  233.448099] (U) 
[  233.450417]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  233.450437]  __alloc_pages_nodemask+0xa80/0xde0
[  233.458294] 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  233.458313] Node 0 DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB
[  233.458429] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB
[  233.458615] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  233.458620] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  233.458623] 4986 total pagecache pages
[  233.458627] 0 pages in swap cache
[  233.458683] Swap cache stats: add 0, delete 0, find 0/0
[  233.458686] Free swap  = 0kB
[  233.458688] Total swap = 0kB
[  233.458692] 1965979 pages RAM
[  233.458694] 0 pages HighMem/MovableOnly
[  233.458696] 342307 pages reserved
[  233.458699] 0 pages cma reserved
[  233.458882] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  233.459031] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  233.459063] syz-executor4 cpuset=syz4 mems_allowed=0
[  233.587105]  ? should_fail+0x22d/0xd01
[  233.591000]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  233.596488]  ? ____cache_alloc_node+0x1c7/0x1e0
[  233.601150]  ? lock_downgrade+0x900/0x900
[  233.605289]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.610827]  cache_grow_begin+0x91/0x8c0
[  233.614876]  ? do_raw_spin_unlock+0xa7/0x2f0
[  233.619278]  fallback_alloc+0x203/0x2e0
[  233.623242]  ____cache_alloc_node+0x1c7/0x1e0
[  233.627732]  kmem_cache_alloc_node+0xe3/0x730
[  233.632233]  ? ipv6_get_ifaddr+0x42e/0x620
[  233.636465]  __alloc_skb+0x119/0x770
[  233.640172]  ? skb_scrub_packet+0x490/0x490
[  233.644589]  ? lock_downgrade+0x900/0x900
[  233.648732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.654259]  ? refcount_sub_and_test_checked+0x203/0x310
[  233.660164]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  233.665694]  ? addrconf_rs_timer+0x690/0x690
[  233.670113]  ndisc_alloc_skb+0x144/0x340
[  233.674169]  ndisc_send_rs+0x331/0x6e0
[  233.678048]  addrconf_rs_timer+0x314/0x690
[  233.682272]  ? lock_release+0x970/0x970
[  233.686245]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  233.690580]  call_timer_fn+0x272/0x920
[  233.695149]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  233.699513]  ? process_timeout+0x40/0x40
[  233.703570]  ? kasan_check_read+0x11/0x20
[  233.708151]  ? do_raw_spin_unlock+0xa7/0x2f0
[  233.712550]  ? trace_hardirqs_on+0x310/0x310
[  233.717040]  ? __run_timers+0x7da/0xc70
[  233.721007]  ? lock_downgrade+0x900/0x900
[  233.725168]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  233.731614]  ? trace_hardirqs_on+0xbd/0x310
[  233.736363]  ? kasan_check_read+0x11/0x20
[  233.740510]  ? __run_timers+0x7da/0xc70
[  233.744475]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  233.749915]  ? kasan_check_write+0x14/0x20
[  233.754143]  ? do_raw_spin_lock+0xc1/0x200
[  233.758372]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  233.762595]  __run_timers+0x7e5/0xc70
[  233.766392]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  233.772231]  ? compat_start_thread+0x80/0x80
[  233.776631]  ? dequeue_entity+0x1770/0x1770
[  233.780943]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.786474]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.792005]  ? kasan_check_write+0x14/0x20
[  233.796661]  ? finish_task_switch+0x2f5/0x900
[  233.801148]  ? __switch_to_asm+0x40/0x70
[  233.805202]  ? preempt_notifier_register+0x200/0x200
[  233.810293]  ? __switch_to_asm+0x34/0x70
[  233.814340]  ? __switch_to_asm+0x40/0x70
[  233.818386]  ? __switch_to_asm+0x34/0x70
[  233.822433]  ? __switch_to_asm+0x40/0x70
[  233.826486]  ? __switch_to_asm+0x34/0x70
[  233.830541]  ? __switch_to_asm+0x40/0x70
[  233.834598]  ? pvclock_read_flags+0x160/0x160
[  233.839088]  ? __schedule+0x874/0x1ed0
[  233.842973]  ? run_rebalance_domains+0x38d/0x500
[  233.847725]  ? trace_hardirqs_on+0xbd/0x310
[  233.852043]  ? kvm_sched_clock_read+0x9/0x20
[  233.856450]  ? run_ksoftirqd+0x94/0x100
[  233.860420]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.865947]  ? check_preemption_disabled+0x48/0x200
[  233.870958]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.876500]  run_timer_softirq+0x52/0xb0
[  233.880556]  ? __this_cpu_preempt_check+0x1c/0x1f
[  233.885390]  __do_softirq+0x30b/0xad8
[  233.889194]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  233.894284]  ? trace_hardirqs_off+0xb8/0x310
[  233.898687]  ? schedule+0x108/0x460
[  233.902305]  ? __schedule+0x1ed0/0x1ed0
[  233.906270]  ? run_ksoftirqd+0x99/0x100
[  233.910237]  ? trace_hardirqs_off+0xb8/0x310
[  233.914635]  ? ___might_sleep+0x1ed/0x300
[  233.918783]  ? smpboot_thread_fn+0x68b/0xa00
[  233.923181]  ? trace_hardirqs_on+0x310/0x310
[  233.927580]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.933110]  ? check_preemption_disabled+0x48/0x200
[  233.938114]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.943646]  ? takeover_tasklets+0xa90/0xa90
[  233.948528]  run_ksoftirqd+0x94/0x100
[  233.953674]  smpboot_thread_fn+0x68b/0xa00
[  233.958471]  ? sort_range+0x30/0x30
[  233.962112]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  233.967658]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.973183]  ? __kthread_parkme+0xfb/0x1a0
[  233.977408]  kthread+0x35a/0x420
[  233.980760]  ? sort_range+0x30/0x30
[  233.984392]  ? kthread_bind+0x40/0x40
[  233.988181]  ret_from_fork+0x3a/0x50
[  233.991894] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  233.991964] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  233.999157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  233.999160] Call Trace:
[  233.999163]  <IRQ>
[  233.999175]  dump_stack+0x1c4/0x2b4
[  233.999185]  ? dump_stack_print_info.cold.2+0x52/0x52
[  233.999198]  warn_alloc.cold.119+0xb7/0x1bd
[  233.999207]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  233.999216]  ? lock_downgrade+0x900/0x900
[  233.999225]  ? trace_hardirqs_off+0xb8/0x310
[  233.999234]  ? trace_hardirqs_off+0xb8/0x310
[  233.999244]  __alloc_pages_slowpath+0x2667/0x2d80
[  233.999260]  ? warn_alloc+0x120/0x120
[  233.999268]  ? warn_alloc+0x120/0x120
[  233.999277]  ? warn_alloc+0x120/0x120
[  233.999283]  ? lock_release+0x970/0x970
[  233.999291]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  233.999299]  ? trace_hardirqs_on+0x310/0x310
[  233.999308]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.999316]  ? should_fail+0x22d/0xd01
[  233.999325]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  233.999332]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.999339]  ? should_fail+0x22d/0xd01
[  233.999348]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  233.999354]  ? should_fail+0x22d/0xd01
[  233.999363]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  233.999371]  ? mark_held_locks+0x130/0x130
[  233.999379]  ? mark_held_locks+0x130/0x130
[  233.999388]  ? kvm_clock_read+0x18/0x30
[  233.999396]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  233.999402]  ? ktime_get+0x2e1/0x440
[  233.999409]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.999418]  ? check_preemption_disabled+0x48/0x200
[  233.999427]  ? kasan_check_read+0x11/0x20
[  233.999437]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  233.999444]  ? rcu_bh_qs+0xc0/0xc0
[  233.999452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.999460]  ? check_preemption_disabled+0x48/0x200
[  233.999467]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  233.999473]  ? widen_string+0xe0/0x2e0
[  233.999486]  __alloc_pages_nodemask+0xa80/0xde0
[  233.999495]  ? should_fail+0x22d/0xd01
[  233.999510]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  234.006051] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  234.015342]  ? ____cache_alloc_node+0x1c7/0x1e0
[  234.017901] ksoftirqd/1 cpuset=
[  234.020037]  ? lock_downgrade+0x900/0x900
[  234.023628] /
[  234.028803]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.033100]  mems_allowed=0
[  234.037924]  cache_grow_begin+0x91/0x8c0
[  234.233817]  ? do_raw_spin_unlock+0xa7/0x2f0
[  234.238222]  fallback_alloc+0x203/0x2e0
[  234.242796]  ____cache_alloc_node+0x1c7/0x1e0
[  234.247286]  kmem_cache_alloc_node+0xe3/0x730
[  234.251769]  ? ipv6_get_ifaddr+0x42e/0x620
[  234.255996]  __alloc_skb+0x119/0x770
[  234.259703]  ? skb_scrub_packet+0x490/0x490
[  234.264013]  ? lock_downgrade+0x900/0x900
[  234.268152]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.273678]  ? refcount_sub_and_test_checked+0x203/0x310
[  234.279347]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  234.284794]  ? addrconf_rs_timer+0x690/0x690
[  234.289202]  ndisc_alloc_skb+0x144/0x340
[  234.293257]  ndisc_send_rs+0x331/0x6e0
[  234.297140]  addrconf_rs_timer+0x314/0x690
[  234.301366]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  234.305599]  call_timer_fn+0x272/0x920
[  234.309478]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  234.313705]  ? process_timeout+0x40/0x40
[  234.317755]  ? trace_hardirqs_off+0xb8/0x310
[  234.322161]  ? kasan_check_read+0x11/0x20
[  234.326302]  ? do_raw_spin_unlock+0xa7/0x2f0
[  234.330699]  ? trace_hardirqs_on+0x310/0x310
[  234.335099]  ? __run_timers+0x7da/0xc70
[  234.339063]  ? lock_downgrade+0x900/0x900
[  234.343210]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  234.348297]  ? trace_hardirqs_on+0xbd/0x310
[  234.352605]  ? kasan_check_read+0x11/0x20
[  234.356742]  ? __run_timers+0x7da/0xc70
[  234.360706]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  234.366160]  ? kasan_check_write+0x14/0x20
[  234.370387]  ? do_raw_spin_lock+0xc1/0x200
[  234.374619]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  234.378845]  __run_timers+0x7e5/0xc70
[  234.382641]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  234.387993]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  234.392999]  ? timerqueue_add+0x207/0x2b0
[  234.397136]  ? enqueue_hrtimer+0x1a5/0x560
[  234.401359]  ? lock_release+0x970/0x970
[  234.405323]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  234.410504]  ? kasan_check_write+0x14/0x20
[  234.414732]  ? pvclock_read_flags+0x160/0x160
[  234.419235]  ? lock_downgrade+0x900/0x900
[  234.423373]  ? trace_hardirqs_on+0xbd/0x310
[  234.427679]  ? kvm_sched_clock_read+0x9/0x20
[  234.432081]  ? irq_exit+0x17f/0x1c0
[  234.435702]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.441228]  ? check_preemption_disabled+0x48/0x200
[  234.446235]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.451784]  run_timer_softirq+0x52/0xb0
[  234.457288]  ? __this_cpu_preempt_check+0x1c/0x1f
[  234.462129]  __do_softirq+0x30b/0xad8
[  234.466285]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  234.471381]  ? pvclock_read_flags+0x160/0x160
[  234.475863]  ? lapic_next_event+0x5a/0x90
[  234.480000]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.485526]  ? clockevents_program_event+0x140/0x370
[  234.490622]  ? kvm_clock_read+0x18/0x30
[  234.494582]  ? kvm_sched_clock_read+0x9/0x20
[  234.498983]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.504509]  ? check_preemption_disabled+0x48/0x200
[  234.509522]  irq_exit+0x17f/0x1c0
[  234.512970]  smp_apic_timer_interrupt+0x1cb/0x760
[  234.517891]  ? smp_reschedule_interrupt+0x109/0x650
[  234.522914]  ? smp_call_function_single_interrupt+0x650/0x650
[  234.528795]  ? interrupt_entry+0xb5/0xf0
[  234.532845]  ? trace_hardirqs_off_caller+0xbb/0x310
[  234.537854]  ? trace_hardirqs_off_caller+0xbb/0x310
[  234.542860]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  234.547694]  ? trace_hardirqs_on_caller+0x310/0x310
[  234.552700]  ? trace_hardirqs_on_caller+0x310/0x310
[  234.557708]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.563234]  ? check_preemption_disabled+0x48/0x200
[  234.568243]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  234.573083]  apic_timer_interrupt+0xf/0x20
[  234.577300]  </IRQ>
[  234.579529] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  234.584453] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  234.603343] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  234.611043] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  234.618300] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  234.625573] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  234.632834] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  234.640091] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  234.647362]  ? trace_hardirqs_on+0xb4/0x310
[  234.651683]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.657214]  skb_clone+0x1bb/0x500
[  234.660744]  ? finish_task_switch+0x2f5/0x900
[  234.665227]  ? skb_split+0x11e0/0x11e0
[  234.669105]  ? preempt_notifier_register+0x200/0x200
[  234.674195]  ? __switch_to_asm+0x34/0x70
[  234.678259]  ? __switch_to_asm+0x34/0x70
[  234.682309]  ? __switch_to_asm+0x40/0x70
[  234.686358]  ? __switch_to_asm+0x34/0x70
[  234.690420]  ? __switch_to_asm+0x40/0x70
[  234.694477]  ? __switch_to_asm+0x34/0x70
[  234.698523]  ? __switch_to_asm+0x40/0x70
[  234.702585]  ? __switch_to_asm+0x34/0x70
[  234.706654]  ? __switch_to_asm+0x34/0x70
[  234.710720]  ? __switch_to_asm+0x40/0x70
[  234.714772]  ? __switch_to_asm+0x34/0x70
[  234.718826]  bpf_clone_redirect+0xb9/0x490
[  234.723058]  ? __schedule+0x874/0x1ed0
[  234.726942]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  234.731864]  ? __sched_text_start+0x8/0x8
[  234.736016]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  234.740880]  ? retint_kernel+0x2d/0x2d
[  234.744777]  ? lock_acquire+0x1ed/0x520
[  234.748740]  ? bpf_test_run+0x32e/0x5a0
[  234.752704]  ? lock_release+0x970/0x970
[  234.756669]  ? preempt_schedule+0x4d/0x60
[  234.760809]  ? preempt_schedule_common+0x1f/0xd0
[  234.765556]  ? preempt_schedule+0x4d/0x60
[  234.769706]  ? ___preempt_schedule+0x16/0x18
[  234.774108]  ? bpf_test_run+0x1c0/0x5a0
[  234.778079]  ? netlink_diag_dump+0x2a0/0x2a0
[  234.782478]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  234.788003]  ? bpf_test_init.isra.9+0x70/0x100
[  234.792581]  ? bpf_prog_test_run_skb+0x634/0xb40
[  234.797329]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  234.802160]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  234.807683]  ? fput+0x130/0x1a0
[  234.810958]  ? __bpf_prog_get+0x9b/0x290
[  234.815007]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  234.819843]  ? bpf_prog_test_run+0x130/0x1a0
[  234.824245]  ? __x64_sys_bpf+0x3d8/0x510
[  234.828296]  ? bpf_prog_get+0x20/0x20
[  234.832098]  ? do_syscall_64+0x1b9/0x820
[  234.836147]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  234.841501]  ? syscall_return_slowpath+0x5e0/0x5e0
[  234.846434]  ? trace_hardirqs_on_caller+0x310/0x310
[  234.851441]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  234.856446]  ? recalc_sigpending_tsk+0x180/0x180
[  234.861194]  ? kasan_check_write+0x14/0x20
[  234.865441]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  234.870281]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  234.875647] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  234.875651] warn_alloc_show_mem: 1 callbacks suppressed
[  234.875657] Mem-Info:
[  234.882486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  234.887845] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  234.887845]  active_file:16 inactive_file:17 isolated_file:0
[  234.887845]  unevictable:0 dirty:0 writeback:0 unstable:0
[  234.887845]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  234.887845]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  234.887845]  free:13792 free_pcp:309 free_cma:0
[  234.890210] Call Trace:
[  234.899576] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  234.932594]  dump_stack+0x1c4/0x2b4
[  234.935148] Node 0 
[  234.963064]  ? dump_stack_print_info.cold.2+0x52/0x52
[  234.966680] 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
[  234.968893]  warn_alloc.cold.119+0xb7/0x1bd
[  234.974054] lowmem_reserve[]:
[  234.999650]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  235.003942]  0
[  235.007031]  ? lock_downgrade+0x900/0x900
[  235.011837]  2819
[  235.013627]  ? trace_hardirqs_off+0xb8/0x310
[  235.017748]  6323
[  235.019795]  ? trace_hardirqs_off+0xb8/0x310
[  235.024169]  6323
[  235.026219]  __alloc_pages_slowpath+0x2667/0x2d80
[  235.030593] Node 0 
[  235.032655]  ? warn_alloc+0x120/0x120
[  235.037479] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  235.039681]  ? warn_alloc+0x120/0x120
[  235.043445] lowmem_reserve[]: 0
[  235.070988]  ? warn_alloc+0x120/0x120
[  235.074755]  0
[  235.078017]  ? mark_held_locks+0x130/0x130
[  235.081784]  3503
[  235.083573]  ? mark_held_locks+0x130/0x130
[  235.087774]  3503
[  235.089825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.096075]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.101580] Node 0 
[  235.107100]  ? should_fail+0x22d/0xd01
[  235.107130] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  235.109333]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  235.113628] lowmem_reserve[]: 0
[  235.142828]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.142843]  ? should_fail+0x22d/0xd01
[  235.147920]  0 0
[  235.151198]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  235.156702]  0
[  235.160571]  ? should_fail+0x22d/0xd01
[  235.162520] Node 0 
[  235.167605]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  235.169376] DMA: 
[  235.173249]  ? mark_held_locks+0x130/0x130
[  235.175573] 1*4kB 
[  235.182950]  ? mark_held_locks+0x130/0x130
[  235.184981] (U) 
[  235.189202]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.191318] 0*8kB 
[  235.195534]  ? trace_hardirqs_off+0xb8/0x310
[  235.197482] 0*16kB 
[  235.203001]  ? kasan_check_read+0x11/0x20
[  235.205124] 1*32kB 
[  235.209514]  ? do_raw_spin_unlock+0xa7/0x2f0
[  235.211719] (U) 
[  235.215856]  ? trace_hardirqs_on+0x310/0x310
[  235.218064] 2*64kB (U) 
[  235.222461]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.224407] 1*128kB 
[  235.229295]  ? wq_watchdog_touch+0x9c/0xfe
[  235.231844] (U) 1*256kB 
[  235.237394]  ? io_serial_in+0x11/0x90
[  235.239688] (U) 
[  235.243915]  ? retint_kernel+0x2d/0x2d
[  235.246549] 0*512kB 
[  235.250329]  ? trace_hardirqs_on_caller+0xc0/0x310
[  235.252270] 1*1024kB (U) 
[  235.256151]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  235.258440] 1*2048kB 
[  235.263348]  ? trace_hardirqs_off+0x310/0x310
[  235.266073] (M) 
[  235.270814]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  235.273192] 3*4096kB 
[  235.277674]  __alloc_pages_nodemask+0xa80/0xde0
[  235.279613] (M) 
[  235.284700]  ? should_fail+0x22d/0xd01
[  235.287080] = 15908kB
[  235.291730]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  235.293673] Node 0 
[  235.297548]  ? ____cache_alloc_node+0x1c7/0x1e0
[  235.299918] DMA32: 
[  235.304918]  ? lock_downgrade+0x900/0x900
[  235.307123] 6*4kB 
[  235.311774]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.313976] (UME) 
[  235.318109]  cache_grow_begin+0x91/0x8c0
[  235.320227] 2*8kB 
[  235.325745]  ? do_raw_spin_unlock+0xa7/0x2f0
[  235.327862] (UE) 
[  235.331908]  fallback_alloc+0x203/0x2e0
[  235.334030] 4*16kB 
[  235.338418]  ____cache_alloc_node+0x1c7/0x1e0
[  235.340451] (UME) 
[  235.344407]  kmem_cache_alloc_node+0xe3/0x730
[  235.346612] 4*32kB 
[  235.351092]  ? ipv6_get_ifaddr+0x42e/0x620
[  235.353207] (UME) 
[  235.357687]  __alloc_skb+0x119/0x770
[  235.359893] 5*64kB 
[  235.364108]  ? skb_scrub_packet+0x490/0x490
[  235.366227] (ME) 
[  235.369926]  ? lock_downgrade+0x900/0x900
[  235.372131] 5*128kB 
[  235.376433]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.378461] (UME) 
[  235.382591]  ? refcount_sub_and_test_checked+0x203/0x310
[  235.384884] 4*256kB 
[  235.390404]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  235.392520] (ME) 
[  235.397956]  ? addrconf_rs_timer+0x690/0x690
[  235.400250] 5*512kB 
[  235.405687]  ndisc_alloc_skb+0x144/0x340
[  235.407717] (UME) 
[  235.412108]  ndisc_send_rs+0x331/0x6e0
[  235.414404] 4*1024kB 
[  235.418448]  addrconf_rs_timer+0x314/0x690
[  235.420568] (UME) 
[  235.424436]  ? lock_release+0x970/0x970
[  235.426815] 2*2048kB 
[  235.431037]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.433154] (ME) 
[  235.437114]  call_timer_fn+0x272/0x920
[  235.439488] 3*4096kB 
[  235.443706]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.445735] (M) 
[  235.449605]  ? process_timeout+0x40/0x40
[  235.451985] = 25256kB
[  235.457187]  ? kasan_check_read+0x11/0x20
[  235.457203]  ? do_raw_spin_unlock+0xa7/0x2f0
[  235.459153] Node 0 
[  235.463196]  ? trace_hardirqs_on+0x310/0x310
[  235.465574] Normal: 
[  235.472410]  ? __run_timers+0x7da/0xc70
[  235.476791] 1063*4kB 
[  235.479141]  ? lock_downgrade+0x900/0x900
[  235.483514] (UMEH) 
[  235.485834]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  235.489774] 420*8kB 
[  235.492166]  ? trace_hardirqs_on+0xbd/0x310
[  235.496281] (UME) 
[  235.498502]  ? kasan_check_read+0x11/0x20
[  235.503571] 170*16kB (UMEH) 
[  235.505886]  ? __run_timers+0x7da/0xc70
[  235.510324] 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB 
[  235.513245]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  235.517389] = 14012kB
[  235.520389]  ? kasan_check_write+0x14/0x20
[  235.524339] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  235.532982]  ? do_raw_spin_lock+0xc1/0x200
[  235.538402] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  235.540791]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.544994] 4986 total pagecache pages
[  235.553814]  __run_timers+0x7e5/0xc70
[  235.558023] 0 pages in swap cache
[  235.566583]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  235.570797] Swap cache stats: add 0, delete 0, find 0/0
[  235.574664]  ? compat_start_thread+0x80/0x80
[  235.578442] Free swap  = 0kB
[  235.581877]  ? dequeue_entity+0x1770/0x1770
[  235.587205] Total swap = 0kB
[  235.592550]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.596924] 1965979 pages RAM
[  235.599926]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.604212] 0 pages HighMem/MovableOnly
[  235.604219] 342307 pages reserved
[  235.607222]  ? kasan_check_write+0x14/0x20
[  235.612721] 0 pages cma reserved
[  235.612773] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  235.615828]  ? finish_task_switch+0x2f5/0x900
[  235.621390] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  235.625295]  ? __switch_to_asm+0x40/0x70
[  235.628714] syz-executor4 cpuset=
[  235.632946]  ? preempt_notifier_register+0x200/0x200
[  235.636276] syz4
[  235.643258]  ? __switch_to_asm+0x34/0x70
[  235.647726]  mems_allowed=0
[  235.658191]  ? __switch_to_asm+0x40/0x70
[  235.683673]  ? __switch_to_asm+0x34/0x70
[  235.687722]  ? __switch_to_asm+0x40/0x70
[  235.691783]  ? __switch_to_asm+0x34/0x70
[  235.695837]  ? __switch_to_asm+0x40/0x70
[  235.699898]  ? pvclock_read_flags+0x160/0x160
[  235.705320]  ? __schedule+0x874/0x1ed0
[  235.709770]  ? run_rebalance_domains+0x38d/0x500
[  235.714518]  ? trace_hardirqs_on+0xbd/0x310
[  235.718837]  ? kvm_sched_clock_read+0x9/0x20
[  235.723234]  ? run_ksoftirqd+0x94/0x100
[  235.727199]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.732729]  ? check_preemption_disabled+0x48/0x200
[  235.738252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.743783]  run_timer_softirq+0x52/0xb0
[  235.747845]  ? __this_cpu_preempt_check+0x1c/0x1f
[  235.753161]  __do_softirq+0x30b/0xad8
[  235.756957]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  235.762052]  ? trace_hardirqs_off+0xb8/0x310
[  235.766455]  ? schedule+0x108/0x460
[  235.770072]  ? __schedule+0x1ed0/0x1ed0
[  235.774555]  ? run_ksoftirqd+0x99/0x100
[  235.778532]  ? trace_hardirqs_off+0xb8/0x310
[  235.783410]  ? ___might_sleep+0x1ed/0x300
[  235.787550]  ? smpboot_thread_fn+0x68b/0xa00
[  235.791947]  ? trace_hardirqs_on+0x310/0x310
[  235.796351]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.801876]  ? check_preemption_disabled+0x48/0x200
[  235.806882]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.812411]  ? takeover_tasklets+0xa90/0xa90
[  235.817296]  run_ksoftirqd+0x94/0x100
[  235.821319]  smpboot_thread_fn+0x68b/0xa00
[  235.825551]  ? sort_range+0x30/0x30
[  235.829171]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  235.834262]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.839793]  ? __kthread_parkme+0xfb/0x1a0
[  235.844025]  kthread+0x35a/0x420
[  235.847381]  ? sort_range+0x30/0x30
[  235.850997]  ? kthread_bind+0x40/0x40
[  235.854790]  ret_from_fork+0x3a/0x50
[  235.858510] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  235.858557] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  235.865774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  235.865778] Call Trace:
[  235.865783]  <IRQ>
[  235.865804]  dump_stack+0x1c4/0x2b4
[  235.865826]  ? dump_stack_print_info.cold.2+0x52/0x52
[  235.872348] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  235.881628]  warn_alloc.cold.119+0xb7/0x1bd
[  235.884196] ksoftirqd/1 cpuset=
[  235.886329]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  235.886344]  ? lock_downgrade+0x900/0x900
[  235.889937] /
[  235.895110]  ? trace_hardirqs_off+0xb8/0x310
[  235.905390]  mems_allowed=0
[  235.909694]  ? trace_hardirqs_off+0xb8/0x310
[  235.935744]  __alloc_pages_slowpath+0x2667/0x2d80
[  235.940591]  ? warn_alloc+0x120/0x120
[  235.944381]  ? trace_hardirqs_on+0x310/0x310
[  235.948779]  ? warn_alloc+0x120/0x120
[  235.952582]  ? warn_alloc+0x120/0x120
[  235.956373]  ? ktime_get+0x2e1/0x440
[  235.960078]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.965605]  ? check_preemption_disabled+0x48/0x200
[  235.970613]  ? kasan_check_read+0x11/0x20
[  235.974760]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.980293]  ? should_fail+0x22d/0xd01
[  235.984191]  ? rcu_bh_qs+0xc0/0xc0
[  235.987743]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  235.992836]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.998364]  ? should_fail+0x22d/0xd01
[  236.002244]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  236.007334]  ? should_fail+0x22d/0xd01
[  236.011215]  ? rcu_idle_enter+0x4b0/0x4b0
[  236.015352]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  236.020447]  ? mark_held_locks+0x130/0x130
[  236.024671]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.030201]  ? mark_held_locks+0x130/0x130
[  236.034428]  ? rcu_irq_exit+0xce/0x100
[  236.038306]  ? irq_exit+0xbd/0x1c0
[  236.041835]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  236.046843]  ? do_raw_spin_unlock+0xa7/0x2f0
[  236.051248]  ? smp_call_function_single_interrupt+0x650/0x650
[  236.057121]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.062646]  ? ret_from_intr+0xb/0x1e
[  236.066437]  ? retint_kernel+0x2d/0x2d
[  236.070314]  ? trace_hardirqs_on_caller+0xc0/0x310
[  236.075233]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  236.079982]  ? trace_hardirqs_off+0x310/0x310
[  236.084464]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  236.089565]  __alloc_pages_nodemask+0xa80/0xde0
[  236.094226]  ? should_fail+0x22d/0xd01
[  236.098104]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  236.103119]  ? ____cache_alloc_node+0x1c7/0x1e0
[  236.107785]  ? lock_downgrade+0x900/0x900
[  236.112384]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.117915]  cache_grow_begin+0x91/0x8c0
[  236.121965]  ? do_raw_spin_unlock+0xa7/0x2f0
[  236.126388]  fallback_alloc+0x203/0x2e0
[  236.130353]  ____cache_alloc_node+0x1c7/0x1e0
[  236.134843]  kmem_cache_alloc_node+0xe3/0x730
[  236.139328]  ? ipv6_get_ifaddr+0x42e/0x620
[  236.143554]  __alloc_skb+0x119/0x770
[  236.147264]  ? skb_scrub_packet+0x490/0x490
[  236.151574]  ? lock_downgrade+0x900/0x900
[  236.155716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.161248]  ? refcount_sub_and_test_checked+0x203/0x310
[  236.166689]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  236.172131]  ? addrconf_rs_timer+0x690/0x690
[  236.176534]  ndisc_alloc_skb+0x144/0x340
[  236.180586]  ndisc_send_rs+0x331/0x6e0
[  236.184468]  addrconf_rs_timer+0x314/0x690
[  236.188693]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.192924]  call_timer_fn+0x272/0x920
[  236.196804]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.201026]  ? process_timeout+0x40/0x40
[  236.205194]  ? trace_hardirqs_off+0xb8/0x310
[  236.209600]  ? kasan_check_read+0x11/0x20
[  236.213741]  ? do_raw_spin_unlock+0xa7/0x2f0
[  236.218148]  ? trace_hardirqs_on+0x310/0x310
[  236.222547]  ? __run_timers+0x7da/0xc70
[  236.226514]  ? lock_downgrade+0x900/0x900
[  236.230652]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  236.236493]  ? trace_hardirqs_on+0xbd/0x310
[  236.240802]  ? kasan_check_read+0x11/0x20
[  236.244942]  ? __run_timers+0x7da/0xc70
[  236.248903]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  236.254336]  ? kasan_check_write+0x14/0x20
[  236.258563]  ? do_raw_spin_lock+0xc1/0x200
[  236.262800]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.267023]  __run_timers+0x7e5/0xc70
[  236.270819]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  236.276170]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  236.281591]  ? timerqueue_add+0x207/0x2b0
[  236.285729]  ? enqueue_hrtimer+0x1a5/0x560
[  236.289972]  ? lock_release+0x970/0x970
[  236.293946]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  236.299138]  ? kasan_check_write+0x14/0x20
[  236.303367]  ? pvclock_read_flags+0x160/0x160
[  236.307859]  ? lock_downgrade+0x900/0x900
[  236.312005]  ? trace_hardirqs_on+0xbd/0x310
[  236.316315]  ? kvm_sched_clock_read+0x9/0x20
[  236.320713]  ? irq_exit+0x17f/0x1c0
[  236.324329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.329859]  ? check_preemption_disabled+0x48/0x200
[  236.334864]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.340392]  run_timer_softirq+0x52/0xb0
[  236.344441]  ? __this_cpu_preempt_check+0x1c/0x1f
[  236.349274]  __do_softirq+0x30b/0xad8
[  236.353067]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  236.358158]  ? pvclock_read_flags+0x160/0x160
[  236.362642]  ? lapic_next_event+0x5a/0x90
[  236.366787]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.372313]  ? clockevents_program_event+0x140/0x370
[  236.377406]  ? kvm_clock_read+0x18/0x30
[  236.381372]  ? kvm_sched_clock_read+0x9/0x20
[  236.385773]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.391308]  ? check_preemption_disabled+0x48/0x200
[  236.396425]  irq_exit+0x17f/0x1c0
[  236.399905]  smp_apic_timer_interrupt+0x1cb/0x760
[  236.404743]  ? smp_reschedule_interrupt+0x109/0x650
[  236.409768]  ? smp_call_function_single_interrupt+0x650/0x650
[  236.415646]  ? interrupt_entry+0xb5/0xf0
[  236.419699]  ? trace_hardirqs_off_caller+0xbb/0x310
[  236.424702]  ? trace_hardirqs_off_caller+0xbb/0x310
[  236.429707]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  236.434536]  ? trace_hardirqs_on_caller+0x310/0x310
[  236.439539]  ? trace_hardirqs_on_caller+0x310/0x310
[  236.444545]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.450071]  ? check_preemption_disabled+0x48/0x200
[  236.455505]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  236.460341]  apic_timer_interrupt+0xf/0x20
[  236.464558]  </IRQ>
[  236.466796] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  236.472513] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  236.491399] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  236.499101] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  236.506357] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  236.513744] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  236.521024] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  236.528279] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  236.535553]  ? trace_hardirqs_on+0xb4/0x310
[  236.539869]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.545397]  skb_clone+0x1bb/0x500
[  236.548927]  ? finish_task_switch+0x2f5/0x900
[  236.553411]  ? skb_split+0x11e0/0x11e0
[  236.557289]  ? preempt_notifier_register+0x200/0x200
[  236.562379]  ? __switch_to_asm+0x34/0x70
[  236.566429]  ? __switch_to_asm+0x34/0x70
[  236.570477]  ? __switch_to_asm+0x40/0x70
[  236.574525]  ? __switch_to_asm+0x34/0x70
[  236.578572]  ? __switch_to_asm+0x40/0x70
[  236.582619]  ? __switch_to_asm+0x34/0x70
[  236.586676]  ? __switch_to_asm+0x40/0x70
[  236.590748]  ? __switch_to_asm+0x34/0x70
[  236.594817]  ? __switch_to_asm+0x34/0x70
[  236.598864]  ? __switch_to_asm+0x40/0x70
[  236.602916]  ? __switch_to_asm+0x34/0x70
[  236.606973]  bpf_clone_redirect+0xb9/0x490
[  236.611195]  ? __schedule+0x874/0x1ed0
[  236.615084]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  236.620146]  ? __sched_text_start+0x8/0x8
[  236.624284]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  236.629035]  ? retint_kernel+0x2d/0x2d
[  236.632913]  ? lock_acquire+0x1ed/0x520
[  236.636872]  ? bpf_test_run+0x32e/0x5a0
[  236.640835]  ? lock_release+0x970/0x970
[  236.644797]  ? preempt_schedule+0x4d/0x60
[  236.648935]  ? preempt_schedule_common+0x1f/0xd0
[  236.653677]  ? preempt_schedule+0x4d/0x60
[  236.657812]  ? ___preempt_schedule+0x16/0x18
[  236.662212]  ? bpf_test_run+0x1c0/0x5a0
[  236.666183]  ? netlink_diag_dump+0x2a0/0x2a0
[  236.670584]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  236.676113]  ? bpf_test_init.isra.9+0x70/0x100
[  236.680687]  ? bpf_prog_test_run_skb+0x634/0xb40
[  236.685455]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  236.690288]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  236.695817]  ? fput+0x130/0x1a0
[  236.699084]  ? __bpf_prog_get+0x9b/0x290
[  236.703135]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  236.707966]  ? bpf_prog_test_run+0x130/0x1a0
[  236.712365]  ? __x64_sys_bpf+0x3d8/0x510
[  236.716416]  ? bpf_prog_get+0x20/0x20
[  236.720221]  ? do_syscall_64+0x1b9/0x820
[  236.724271]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  236.729622]  ? syscall_return_slowpath+0x5e0/0x5e0
[  236.734541]  ? trace_hardirqs_on_caller+0x310/0x310
[  236.739547]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  236.744552]  ? recalc_sigpending_tsk+0x180/0x180
[  236.749296]  ? kasan_check_write+0x14/0x20
[  236.753526]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  236.758363]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  236.763728] warn_alloc_show_mem: 1 callbacks suppressed
[  236.763737] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  236.763738] Mem-Info:
[  236.763772] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  236.763772]  active_file:16 inactive_file:17 isolated_file:0
[  236.763772]  unevictable:0 dirty:0 writeback:0 unstable:0
[  236.763772]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  236.763772]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  236.763772]  free:13792 free_pcp:309 free_cma:0
[  236.769095] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  236.769102] Call Trace:
[  236.775926] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  236.775929] 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
[  236.775948] lowmem_reserve[]: 0 2819 6323 6323
[  236.775959] Node 0 DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  236.775978] lowmem_reserve[]: 0 0 3503 3503
[  236.775989] Node 0 Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  236.776008] lowmem_reserve[]: 0 0 0 0
[  236.776018] 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
[  236.776066] Node 0 DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB
[  236.776119] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB
[  236.776168] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  236.776174] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  236.776177] 4986 total pagecache pages
[  236.776180] 0 pages in swap cache
[  236.776185] Swap cache stats: add 0, delete 0, find 0/0
[  236.776187] Free swap  = 0kB
[  236.776190] Total swap = 0kB
[  236.776192] 1965979 pages RAM
[  236.776194] 0 pages HighMem/MovableOnly
[  236.776197] 342307 pages reserved
[  236.776199] 0 pages cma reserved
[  236.776242] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  236.776289] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  236.778681]  dump_stack+0x1c4/0x2b4
[  236.811700] syz-executor4 cpuset=
[  236.821052]  ? dump_stack_print_info.cold.2+0x52/0x52
[  236.823604] syz4
[  236.852355]  warn_alloc.cold.119+0xb7/0x1bd
[  236.878433]  mems_allowed=0
[  236.882998]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  237.085917]  ? lock_downgrade+0x900/0x900
[  237.090061]  ? trace_hardirqs_off+0xb8/0x310
[  237.094464]  ? trace_hardirqs_off+0xb8/0x310
[  237.098870]  __alloc_pages_slowpath+0x2667/0x2d80
[  237.103724]  ? warn_alloc+0x120/0x120
[  237.107515]  ? warn_alloc+0x120/0x120
[  237.111301]  ? warn_alloc+0x120/0x120
[  237.115083]  ? mark_held_locks+0x130/0x130
[  237.119306]  ? mark_held_locks+0x130/0x130
[  237.123529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.129057]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.134586]  ? should_fail+0x22d/0xd01
[  237.138463]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  237.143552]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.149080]  ? should_fail+0x22d/0xd01
[  237.152958]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  237.158048]  ? should_fail+0x22d/0xd01
[  237.161930]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  237.167527]  ? mark_held_locks+0x130/0x130
[  237.171752]  ? mark_held_locks+0x130/0x130
[  237.175977]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.181511]  ? trace_hardirqs_off+0xb8/0x310
[  237.185906]  ? kasan_check_read+0x11/0x20
[  237.190044]  ? do_raw_spin_unlock+0xa7/0x2f0
[  237.194454]  ? trace_hardirqs_on+0x310/0x310
[  237.198851]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.205245]  ? wq_watchdog_touch+0x9c/0xfe
[  237.212029]  ? io_serial_in+0x11/0x90
[  237.215821]  ? retint_kernel+0x2d/0x2d
[  237.219702]  ? trace_hardirqs_on_caller+0xc0/0x310
[  237.224622]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  237.229821]  ? trace_hardirqs_off+0x310/0x310
[  237.234306]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  237.239407]  __alloc_pages_nodemask+0xa80/0xde0
[  237.244065]  ? should_fail+0x22d/0xd01
[  237.248468]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  237.253501]  ? ____cache_alloc_node+0x1c7/0x1e0
[  237.258161]  ? lock_downgrade+0x900/0x900
[  237.262384]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.267916]  cache_grow_begin+0x91/0x8c0
[  237.272419]  ? do_raw_spin_unlock+0xa7/0x2f0
[  237.276822]  fallback_alloc+0x203/0x2e0
[  237.280788]  ____cache_alloc_node+0x1c7/0x1e0
[  237.285277]  kmem_cache_alloc_node+0xe3/0x730
[  237.289777]  ? ipv6_get_ifaddr+0x42e/0x620
[  237.294007]  __alloc_skb+0x119/0x770
[  237.297713]  ? skb_scrub_packet+0x490/0x490
[  237.302023]  ? lock_downgrade+0x900/0x900
[  237.306164]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.311697]  ? refcount_sub_and_test_checked+0x203/0x310
[  237.318104]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  237.325057]  ? addrconf_rs_timer+0x690/0x690
[  237.329459]  ndisc_alloc_skb+0x144/0x340
[  237.333521]  ndisc_send_rs+0x331/0x6e0
[  237.337405]  addrconf_rs_timer+0x314/0x690
[  237.341629]  ? lock_release+0x970/0x970
[  237.345601]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.349834]  call_timer_fn+0x272/0x920
[  237.353715]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.357944]  ? process_timeout+0x40/0x40
[  237.361992]  ? kasan_check_read+0x11/0x20
[  237.366130]  ? do_raw_spin_unlock+0xa7/0x2f0
[  237.370528]  ? trace_hardirqs_on+0x310/0x310
[  237.374949]  ? __run_timers+0x7da/0xc70
[  237.378912]  ? lock_downgrade+0x900/0x900
[  237.383053]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  237.388146]  ? trace_hardirqs_on+0xbd/0x310
[  237.392458]  ? kasan_check_read+0x11/0x20
[  237.396689]  ? __run_timers+0x7da/0xc70
[  237.400660]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  237.406108]  ? kasan_check_write+0x14/0x20
[  237.410332]  ? do_raw_spin_lock+0xc1/0x200
[  237.414563]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.418788]  __run_timers+0x7e5/0xc70
[  237.422584]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  237.427940]  ? compat_start_thread+0x80/0x80
[  237.432338]  ? dequeue_entity+0x1770/0x1770
[  237.436647]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.442180]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.447721]  ? kasan_check_write+0x14/0x20
[  237.451947]  ? finish_task_switch+0x2f5/0x900
[  237.457359]  ? __switch_to_asm+0x40/0x70
[  237.461414]  ? preempt_notifier_register+0x200/0x200
[  237.466504]  ? __switch_to_asm+0x34/0x70
[  237.475198]  ? __switch_to_asm+0x40/0x70
[  237.480165]  ? __switch_to_asm+0x34/0x70
[  237.484218]  ? __switch_to_asm+0x40/0x70
[  237.488267]  ? __switch_to_asm+0x34/0x70
[  237.492316]  ? __switch_to_asm+0x40/0x70
[  237.496374]  ? pvclock_read_flags+0x160/0x160
[  237.500857]  ? __schedule+0x874/0x1ed0
[  237.504738]  ? run_rebalance_domains+0x38d/0x500
[  237.509511]  ? trace_hardirqs_on+0xbd/0x310
[  237.513820]  ? kvm_sched_clock_read+0x9/0x20
[  237.518220]  ? run_ksoftirqd+0x94/0x100
[  237.522189]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.527717]  ? check_preemption_disabled+0x48/0x200
[  237.532721]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.538472]  run_timer_softirq+0x52/0xb0
[  237.542964]  ? __this_cpu_preempt_check+0x1c/0x1f
[  237.548267]  __do_softirq+0x30b/0xad8
[  237.552064]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  237.557674]  ? trace_hardirqs_off+0xb8/0x310
[  237.562078]  ? schedule+0x108/0x460
[  237.565700]  ? __schedule+0x1ed0/0x1ed0
[  237.570257]  ? run_ksoftirqd+0x99/0x100
[  237.575391]  ? trace_hardirqs_off+0xb8/0x310
[  237.579792]  ? ___might_sleep+0x1ed/0x300
[  237.583927]  ? smpboot_thread_fn+0x68b/0xa00
[  237.588322]  ? trace_hardirqs_on+0x310/0x310
[  237.592721]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.598254]  ? check_preemption_disabled+0x48/0x200
[  237.603257]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.608785]  ? takeover_tasklets+0xa90/0xa90
[  237.613190]  run_ksoftirqd+0x94/0x100
[  237.616979]  smpboot_thread_fn+0x68b/0xa00
[  237.621206]  ? sort_range+0x30/0x30
[  237.624823]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  237.629916]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.635440]  ? __kthread_parkme+0xfb/0x1a0
[  237.640184]  kthread+0x35a/0x420
[  237.643540]  ? sort_range+0x30/0x30
[  237.647152]  ? kthread_bind+0x40/0x40
[  237.650953]  ret_from_fork+0x3a/0x50
[  237.654684] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  237.654731] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  237.661948] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  237.661952] Call Trace:
[  237.661957]  <IRQ>
[  237.661972]  dump_stack+0x1c4/0x2b4
[  237.661988]  ? dump_stack_print_info.cold.2+0x52/0x52
[  237.668509] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  237.677817]  warn_alloc.cold.119+0xb7/0x1bd
[  237.680453] ksoftirqd/1 cpuset=
[  237.682587]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  237.686662] /
[  237.691851]  ? lock_downgrade+0x900/0x900
[  237.702135]  mems_allowed=0
[  237.706437]  ? trace_hardirqs_off+0xb8/0x310
[  237.727621]  ? trace_hardirqs_off+0xb8/0x310
[  237.732028]  __alloc_pages_slowpath+0x2667/0x2d80
[  237.736872]  ? warn_alloc+0x120/0x120
[  237.740669]  ? warn_alloc+0x120/0x120
[  237.744459]  ? warn_alloc+0x120/0x120
[  237.748249]  ? lock_release+0x970/0x970
[  237.752212]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  237.757394]  ? trace_hardirqs_on+0x310/0x310
[  237.761796]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.767324]  ? should_fail+0x22d/0xd01
[  237.771204]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  237.776294]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.781821]  ? should_fail+0x22d/0xd01
[  237.785699]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  237.790791]  ? should_fail+0x22d/0xd01
[  237.794672]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  237.799765]  ? mark_held_locks+0x130/0x130
[  237.803991]  ? mark_held_locks+0x130/0x130
[  237.808217]  ? kvm_clock_read+0x18/0x30
[  237.812185]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  237.817189]  ? ktime_get+0x2e1/0x440
[  237.820896]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.826426]  ? check_preemption_disabled+0x48/0x200
[  237.831435]  ? kasan_check_read+0x11/0x20
[  237.835577]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  237.840841]  ? rcu_bh_qs+0xc0/0xc0
[  237.844371]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.849900]  ? check_preemption_disabled+0x48/0x200
[  237.854902]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  237.860059]  ? widen_string+0xe0/0x2e0
[  237.863969]  __alloc_pages_nodemask+0xa80/0xde0
[  237.868637]  ? should_fail+0x22d/0xd01
[  237.872519]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  237.877537]  ? ____cache_alloc_node+0x1c7/0x1e0
[  237.882196]  ? lock_downgrade+0x900/0x900
[  237.886335]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.891865]  cache_grow_begin+0x91/0x8c0
[  237.895918]  ? do_raw_spin_unlock+0xa7/0x2f0
[  237.900318]  fallback_alloc+0x203/0x2e0
[  237.904283]  ____cache_alloc_node+0x1c7/0x1e0
[  237.908768]  kmem_cache_alloc_node+0xe3/0x730
[  237.913252]  ? ipv6_get_ifaddr+0x42e/0x620
[  237.917479]  __alloc_skb+0x119/0x770
[  237.921185]  ? skb_scrub_packet+0x490/0x490
[  237.925494]  ? lock_downgrade+0x900/0x900
[  237.929640]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.935170]  ? refcount_sub_and_test_checked+0x203/0x310
[  237.940610]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  237.946062]  ? addrconf_rs_timer+0x690/0x690
[  237.950464]  ndisc_alloc_skb+0x144/0x340
[  237.954517]  ndisc_send_rs+0x331/0x6e0
[  237.958394]  addrconf_rs_timer+0x314/0x690
[  237.962631]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.966864]  call_timer_fn+0x272/0x920
[  237.970742]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.974973]  ? process_timeout+0x40/0x40
[  237.979026]  ? trace_hardirqs_off+0xb8/0x310
[  237.983420]  ? kasan_check_read+0x11/0x20
[  237.987556]  ? do_raw_spin_unlock+0xa7/0x2f0
[  237.991953]  ? trace_hardirqs_on+0x310/0x310
[  237.996352]  ? __run_timers+0x7da/0xc70
[  238.000317]  ? lock_downgrade+0x900/0x900
[  238.004460]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  238.009551]  ? trace_hardirqs_on+0xbd/0x310
[  238.013857]  ? kasan_check_read+0x11/0x20
[  238.017997]  ? __run_timers+0x7da/0xc70
[  238.021963]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  238.027526]  ? kasan_check_write+0x14/0x20
[  238.031751]  ? do_raw_spin_lock+0xc1/0x200
[  238.035976]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  238.040201]  __run_timers+0x7e5/0xc70
[  238.043997]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  238.049349]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  238.054356]  ? timerqueue_add+0x207/0x2b0
[  238.058512]  ? enqueue_hrtimer+0x1a5/0x560
[  238.062737]  ? lock_release+0x970/0x970
[  238.066700]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  238.071881]  ? kasan_check_write+0x14/0x20
[  238.076108]  ? pvclock_read_flags+0x160/0x160
[  238.080593]  ? lock_downgrade+0x900/0x900
[  238.084743]  ? trace_hardirqs_on+0xbd/0x310
[  238.089052]  ? kvm_sched_clock_read+0x9/0x20
[  238.093450]  ? irq_exit+0x17f/0x1c0
[  238.097068]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.102594]  ? check_preemption_disabled+0x48/0x200
[  238.107611]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.113600]  run_timer_softirq+0x52/0xb0
[  238.117699]  ? __this_cpu_preempt_check+0x1c/0x1f
[  238.122525]  __do_softirq+0x30b/0xad8
[  238.126320]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  238.131413]  ? pvclock_read_flags+0x160/0x160
[  238.135895]  ? lapic_next_event+0x5a/0x90
[  238.140033]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.145558]  ? clockevents_program_event+0x140/0x370
[  238.150653]  ? kvm_clock_read+0x18/0x30
[  238.154621]  ? kvm_sched_clock_read+0x9/0x20
[  238.159022]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.164550]  ? check_preemption_disabled+0x48/0x200
[  238.169562]  irq_exit+0x17f/0x1c0
[  238.173008]  smp_apic_timer_interrupt+0x1cb/0x760
[  238.177868]  ? smp_reschedule_interrupt+0x109/0x650
[  238.182897]  ? smp_call_function_single_interrupt+0x650/0x650
[  238.188770]  ? interrupt_entry+0xb5/0xf0
[  238.192826]  ? trace_hardirqs_off_caller+0xbb/0x310
[  238.197852]  ? trace_hardirqs_off_caller+0xbb/0x310
[  238.202860]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  238.207694]  ? trace_hardirqs_on_caller+0x310/0x310
[  238.212697]  ? trace_hardirqs_on_caller+0x310/0x310
[  238.217704]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.223231]  ? check_preemption_disabled+0x48/0x200
[  238.228244]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  238.233856]  apic_timer_interrupt+0xf/0x20
[  238.238243]  </IRQ>
[  238.240528] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  238.245451] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  238.264462] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  238.272159] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  238.279711] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  238.286967] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  238.294225] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  238.301480] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  238.308757]  ? trace_hardirqs_on+0xb4/0x310
[  238.313075]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.318610]  skb_clone+0x1bb/0x500
[  238.322143]  ? finish_task_switch+0x2f5/0x900
[  238.326630]  ? skb_split+0x11e0/0x11e0
[  238.330505]  ? preempt_notifier_register+0x200/0x200
[  238.335625]  ? __switch_to_asm+0x34/0x70
[  238.339690]  ? __switch_to_asm+0x34/0x70
[  238.343740]  ? __switch_to_asm+0x40/0x70
[  238.347797]  ? __switch_to_asm+0x34/0x70
[  238.351844]  ? __switch_to_asm+0x40/0x70
[  238.355891]  ? __switch_to_asm+0x34/0x70
[  238.359938]  ? __switch_to_asm+0x40/0x70
[  238.363988]  ? __switch_to_asm+0x34/0x70
[  238.368040]  ? __switch_to_asm+0x34/0x70
[  238.372086]  ? __switch_to_asm+0x40/0x70
[  238.376135]  ? __switch_to_asm+0x34/0x70
[  238.380188]  bpf_clone_redirect+0xb9/0x490
[  238.384415]  ? __schedule+0x874/0x1ed0
[  238.388293]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  238.393215]  ? __sched_text_start+0x8/0x8
[  238.397356]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  238.402105]  ? retint_kernel+0x2d/0x2d
[  238.405991]  ? lock_acquire+0x1ed/0x520
[  238.410112]  ? bpf_test_run+0x32e/0x5a0
[  238.414096]  ? lock_release+0x970/0x970
[  238.418071]  ? preempt_schedule+0x4d/0x60
[  238.422208]  ? preempt_schedule_common+0x1f/0xd0
[  238.426955]  ? preempt_schedule+0x4d/0x60
[  238.431094]  ? ___preempt_schedule+0x16/0x18
[  238.435492]  ? bpf_test_run+0x1c0/0x5a0
[  238.439456]  ? netlink_diag_dump+0x2a0/0x2a0
[  238.443855]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.449378]  ? bpf_test_init.isra.9+0x70/0x100
[  238.455199]  ? bpf_prog_test_run_skb+0x634/0xb40
[  238.459947]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  238.464779]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  238.472780]  ? fput+0x130/0x1a0
[  238.476057]  ? __bpf_prog_get+0x9b/0x290
[  238.480124]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  238.484954]  ? bpf_prog_test_run+0x130/0x1a0
[  238.489388]  ? __x64_sys_bpf+0x3d8/0x510
[  238.493538]  ? bpf_prog_get+0x20/0x20
[  238.497336]  ? do_syscall_64+0x1b9/0x820
[  238.501387]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  238.506740]  ? syscall_return_slowpath+0x5e0/0x5e0
[  238.511659]  ? trace_hardirqs_on_caller+0x310/0x310
[  238.516665]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  238.521673]  ? recalc_sigpending_tsk+0x180/0x180
[  238.526415]  ? kasan_check_write+0x14/0x20
[  238.530642]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  238.535475]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  238.540831] warn_alloc_show_mem: 1 callbacks suppressed
[  238.540840] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  238.540842] Mem-Info:
[  238.540870] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  238.540870]  active_file:16 inactive_file:17 isolated_file:0
[  238.540870]  unevictable:0 dirty:0 writeback:0 unstable:0
[  238.540870]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  238.540870]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  238.540870]  free:13792 free_pcp:309 free_cma:0
[  238.546649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  238.553493] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  238.555879] Call Trace:
[  238.588905] Node 0 
[  238.598338]  dump_stack+0x1c4/0x2b4
[  238.626254] 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
[  238.628805]  ? dump_stack_print_info.cold.2+0x52/0x52
[  238.631006] lowmem_reserve[]:
[  238.634622]  warn_alloc.cold.119+0xb7/0x1bd
[  238.660088]  0
[  238.665778]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  238.668859]  2819
[  238.673162]  ? lock_downgrade+0x900/0x900
[  238.674936]  6323
[  238.679764]  ? trace_hardirqs_off+0xb8/0x310
[  238.681794]  6323
[  238.685934]  ? trace_hardirqs_off+0xb8/0x310
[  238.692367]  __alloc_pages_slowpath+0x2667/0x2d80
[  238.694403] Node 0 
[  238.698803]  ? warn_alloc+0x120/0x120
[  238.703628] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  238.705827]  ? warn_alloc+0x120/0x120
[  238.709608] lowmem_reserve[]:
[  238.737057]  ? warn_alloc+0x120/0x120
[  238.740825]  0
[  238.743916]  ? mark_held_locks+0x130/0x130
[  238.747684]  0
[  238.749471]  ? mark_held_locks+0x130/0x130
[  238.753677]  3503
[  238.755464]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.759658]  3503
[  238.761714]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.767321] Node 0 
[  238.770080]  ? should_fail+0x22d/0xd01
[  238.775603] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  238.777806]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  238.781655] lowmem_reserve[]: 0
[  238.810558]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.815629]  0
[  238.818891]  ? should_fail+0x22d/0xd01
[  238.824394]  0
[  238.826180]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  238.830032]  0
[  238.831819]  ? should_fail+0x22d/0xd01
[  238.838674]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  238.842529] Node 0 DMA: 
[  238.847618]  ? mark_held_locks+0x130/0x130
[  238.847633]  ? mark_held_locks+0x130/0x130
[  238.850272] 1*4kB 
[  238.854487]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.858687] (U) 
[  238.860819]  ? trace_hardirqs_off+0xb8/0x310
[  238.866322] 0*8kB 
[  238.868279]  ? kasan_check_read+0x11/0x20
[  238.872653] 0*16kB 
[  238.874783]  ? do_raw_spin_unlock+0xa7/0x2f0
[  238.878900] 1*32kB 
[  238.881124]  ? trace_hardirqs_on+0x310/0x310
[  238.885500] (U) 
[  238.887725]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.892098] 2*64kB 
[  238.894060]  ? wq_watchdog_touch+0x9c/0xfe
[  238.899573] (U) 
[  238.901793]  ? io_serial_in+0x11/0x90
[  238.906006] 1*128kB 
[  238.907962]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.911727] (U) 
[  238.914036]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  238.919543] 1*256kB 
[  238.921510]  __alloc_pages_nodemask+0xa80/0xde0
[  238.926581] (U) 
[  238.928888]  ? should_fail+0x22d/0xd01
[  238.933543] 0*512kB 
[  238.935505]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  238.939443] 1*1024kB (U) 
[  238.941766]  ? ____cache_alloc_node+0x1c7/0x1e0
[  238.946742] 1*2048kB 
[  238.949480]  ? lock_downgrade+0x900/0x900
[  238.954109] (M) 3*4096kB 
[  238.956514]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.960623] (M) = 15908kB
[  238.963374]  cache_grow_begin+0x91/0x8c0
[  238.968880] Node 0 
[  238.971626]  ? do_raw_spin_unlock+0xa7/0x2f0
[  238.975650] DMA32: 6*4kB 
[  238.977881]  fallback_alloc+0x203/0x2e0
[  238.982254] (UME) 
[  238.984994]  ____cache_alloc_node+0x1c7/0x1e0
[  238.988934] 2*8kB 
[  238.991072]  kmem_cache_alloc_node+0xe3/0x730
[  238.995535] (UE) 
[  238.997671]  ? ipv6_get_ifaddr+0x42e/0x620
[  239.002132] 4*16kB 
[  239.004180]  __alloc_skb+0x119/0x770
[  239.008379] (UME) 
[  239.010602]  ? skb_scrub_packet+0x490/0x490
[  239.014284] 4*32kB 
[  239.016435]  ? lock_downgrade+0x900/0x900
[  239.020721] (UME) 
[  239.022943]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.027053] 5*64kB (ME) 
[  239.029197]  ? refcount_sub_and_test_checked+0x203/0x310
[  239.034698] 5*128kB (UME) 
[  239.037363]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  239.042778] 4*256kB 
[  239.045608]  ? addrconf_rs_timer+0x690/0x690
[  239.051024] (ME) 
[  239.053346]  ndisc_alloc_skb+0x144/0x340
[  239.057727] 5*512kB 
[  239.059778]  ndisc_send_rs+0x331/0x6e0
[  239.063806] (UME) 
[  239.066115]  addrconf_rs_timer+0x314/0x690
[  239.069966] 4*1024kB (UME) 
[  239.072104]  ? lock_release+0x970/0x970
[  239.076304] 2*2048kB 
[  239.079706]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.083646] (ME) 
[  239.086065]  call_timer_fn+0x272/0x920
[  239.090268] 3*4096kB (M) 
[  239.092320]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.096174] = 25256kB
[  239.098914]  ? process_timeout+0x40/0x40
[  239.103146] Node 0 
[  239.105543]  ? kasan_check_read+0x11/0x20
[  239.109571] Normal: 1063*4kB 
[  239.111801]  ? do_raw_spin_unlock+0xa7/0x2f0
[  239.115924] (UMEH) 
[  239.119013]  ? trace_hardirqs_on+0x310/0x310
[  239.123386] 420*8kB 
[  239.125607]  ? __run_timers+0x7da/0xc70
[  239.129983] (UME) 
[  239.132290]  ? lock_downgrade+0x900/0x900
[  239.136232] 170*16kB 
[  239.138362]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  239.142473] (UMEH) 
[  239.144870]  ? trace_hardirqs_on+0xbd/0x310
[  239.149938] 65*32kB 
[  239.152155]  ? kasan_check_read+0x11/0x20
[  239.156452] (UME) 
[  239.158759]  ? __run_timers+0x7da/0xc70
[  239.162873] 9*64kB 
[  239.165009]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  239.168948] (UM) 
[  239.171166]  ? kasan_check_write+0x14/0x20
[  239.176584] 0*128kB 
[  239.178632]  ? do_raw_spin_lock+0xc1/0x200
[  239.182831] 0*256kB 
[  239.185139]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.189343] 0*512kB 
[  239.191650]  __run_timers+0x7e5/0xc70
[  239.195850] 1*1024kB 
[  239.198163]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  239.201927] (H) 
[  239.204325]  ? compat_start_thread+0x80/0x80
[  239.209655] 0*2048kB 
[  239.211613]  ? dequeue_entity+0x1770/0x1770
[  239.216092] 0*4096kB 
[  239.218487]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.222776] = 14012kB
[  239.225169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.230681] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  239.233066]  ? kasan_check_write+0x14/0x20
[  239.238577] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  239.247402]  ? finish_task_switch+0x2f5/0x900
[  239.251617] 4986 total pagecache pages
[  239.260175]  ? __switch_to_asm+0x40/0x70
[  239.264636] 0 pages in swap cache
[  239.268525]  ? preempt_notifier_register+0x200/0x200
[  239.272579] Swap cache stats: add 0, delete 0, find 0/0
[  239.276516]  ? __switch_to_asm+0x34/0x70
[  239.281589] Free swap  = 0kB
[  239.291198]  ? __switch_to_asm+0x40/0x70
[  239.291212]  ? __switch_to_asm+0x34/0x70
[  239.295244] Total swap = 0kB
[  239.298245]  ? __switch_to_asm+0x40/0x70
[  239.302760] 1965979 pages RAM
[  239.306804]  ? __switch_to_asm+0x34/0x70
[  239.309790] 0 pages HighMem/MovableOnly
[  239.309797] 342307 pages reserved
[  239.313839]  ? __switch_to_asm+0x40/0x70
[  239.316914] 0 pages cma reserved
[  239.321480]  ? pvclock_read_flags+0x160/0x160
[  239.325468] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  239.328858]  ? __schedule+0x874/0x1ed0
[  239.332942] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  239.336240]  ? run_rebalance_domains+0x38d/0x500
[  239.340701] syz-executor4 cpuset=
[  239.347190]  ? trace_hardirqs_on+0xbd/0x310
[  239.351045] syz4
[  239.361520]  ? kvm_sched_clock_read+0x9/0x20
[  239.366247]  mems_allowed=0
[  239.369681]  ? run_ksoftirqd+0x94/0x100
[  239.387184]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.392715]  ? check_preemption_disabled+0x48/0x200
[  239.397719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.403249]  run_timer_softirq+0x52/0xb0
[  239.407300]  ? __this_cpu_preempt_check+0x1c/0x1f
[  239.412132]  __do_softirq+0x30b/0xad8
[  239.415926]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  239.421026]  ? trace_hardirqs_off+0xb8/0x310
[  239.425432]  ? schedule+0x108/0x460
[  239.429053]  ? __schedule+0x1ed0/0x1ed0
[  239.433020]  ? run_ksoftirqd+0x99/0x100
[  239.436985]  ? trace_hardirqs_off+0xb8/0x310
[  239.441389]  ? ___might_sleep+0x1ed/0x300
[  239.445528]  ? smpboot_thread_fn+0x68b/0xa00
[  239.449935]  ? trace_hardirqs_on+0x310/0x310
[  239.454806]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  239.460335]  ? check_preemption_disabled+0x48/0x200
[  239.465340]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.471809]  ? takeover_tasklets+0xa90/0xa90
[  239.476213]  run_ksoftirqd+0x94/0x100
[  239.480004]  smpboot_thread_fn+0x68b/0xa00
[  239.484234]  ? sort_range+0x30/0x30
[  239.495121]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  239.500220]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  239.505747]  ? __kthread_parkme+0xfb/0x1a0
[  239.509973]  kthread+0x35a/0x420
[  239.513334]  ? sort_range+0x30/0x30
[  239.517408]  ? kthread_bind+0x40/0x40
[  239.521198]  ret_from_fork+0x3a/0x50
[  239.524910] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  239.524959] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  239.532172] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  239.532176] Call Trace:
[  239.532181]  <IRQ>
[  239.532195]  dump_stack+0x1c4/0x2b4
[  239.532212]  ? dump_stack_print_info.cold.2+0x52/0x52
[  239.538711] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  239.548021]  warn_alloc.cold.119+0xb7/0x1bd
[  239.550571] ksoftirqd/1 cpuset=
[  239.552704]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  239.556299] /
[  239.561474]  ? lock_downgrade+0x900/0x900
[  239.571984]  mems_allowed=0
[  239.576288]  ? trace_hardirqs_off+0xb8/0x310
[  239.597589]  ? trace_hardirqs_off+0xb8/0x310
[  239.601993]  __alloc_pages_slowpath+0x2667/0x2d80
[  239.606842]  ? warn_alloc+0x120/0x120
[  239.610631]  ? trace_hardirqs_on+0x310/0x310
[  239.615037]  ? warn_alloc+0x120/0x120
[  239.618829]  ? warn_alloc+0x120/0x120
[  239.622616]  ? ktime_get+0x2e1/0x440
[  239.626319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.631848]  ? check_preemption_disabled+0x48/0x200
[  239.636854]  ? kasan_check_read+0x11/0x20
[  239.640989]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  239.646521]  ? should_fail+0x22d/0xd01
[  239.650396]  ? rcu_bh_qs+0xc0/0xc0
[  239.653930]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  239.659026]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  239.664578]  ? should_fail+0x22d/0xd01
[  239.668459]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  239.673557]  ? should_fail+0x22d/0xd01
[  239.677433]  ? rcu_idle_enter+0x4b0/0x4b0
[  239.681573]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  239.686851]  ? mark_held_locks+0x130/0x130
[  239.691092]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.696623]  ? mark_held_locks+0x130/0x130
[  239.700851]  ? rcu_irq_exit+0xce/0x100
[  239.704727]  ? irq_exit+0xbd/0x1c0
[  239.708262]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  239.713285]  ? do_raw_spin_unlock+0xa7/0x2f0
[  239.717688]  ? smp_call_function_single_interrupt+0x650/0x650
[  239.723562]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.729105]  ? ret_from_intr+0xb/0x1e
[  239.732887]  ? retint_kernel+0x2d/0x2d
[  239.736761]  ? trace_hardirqs_on_caller+0xc0/0x310
[  239.741685]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  239.746515]  ? trace_hardirqs_off+0x310/0x310
[  239.750996]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  239.756096]  __alloc_pages_nodemask+0xa80/0xde0
[  239.760751]  ? should_fail+0x22d/0xd01
[  239.764631]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  239.769651]  ? ____cache_alloc_node+0x1c7/0x1e0
[  239.774309]  ? lock_downgrade+0x900/0x900
[  239.778449]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.783983]  cache_grow_begin+0x91/0x8c0
[  239.788034]  ? do_raw_spin_unlock+0xa7/0x2f0
[  239.792435]  fallback_alloc+0x203/0x2e0
[  239.796410]  ____cache_alloc_node+0x1c7/0x1e0
[  239.800899]  kmem_cache_alloc_node+0xe3/0x730
[  239.805384]  ? ipv6_get_ifaddr+0x42e/0x620
[  239.809612]  __alloc_skb+0x119/0x770
[  239.813332]  ? skb_scrub_packet+0x490/0x490
[  239.817777]  ? lock_downgrade+0x900/0x900
[  239.821912]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.827454]  ? refcount_sub_and_test_checked+0x203/0x310
[  239.832908]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  239.838364]  ? addrconf_rs_timer+0x690/0x690
[  239.842772]  ndisc_alloc_skb+0x144/0x340
[  239.846828]  ndisc_send_rs+0x331/0x6e0
[  239.850701]  addrconf_rs_timer+0x314/0x690
[  239.854935]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.859165]  call_timer_fn+0x272/0x920
[  239.863041]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.867268]  ? process_timeout+0x40/0x40
[  239.871317]  ? trace_hardirqs_off+0xb8/0x310
[  239.875717]  ? kasan_check_read+0x11/0x20
[  239.879854]  ? do_raw_spin_unlock+0xa7/0x2f0
[  239.884253]  ? trace_hardirqs_on+0x310/0x310
[  239.888653]  ? __run_timers+0x7da/0xc70
[  239.892617]  ? lock_downgrade+0x900/0x900
[  239.896757]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  239.901848]  ? trace_hardirqs_on+0xbd/0x310
[  239.906158]  ? kasan_check_read+0x11/0x20
[  239.910298]  ? __run_timers+0x7da/0xc70
[  239.914382]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  239.919821]  ? kasan_check_write+0x14/0x20
[  239.924048]  ? do_raw_spin_lock+0xc1/0x200
[  239.928280]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.932532]  __run_timers+0x7e5/0xc70
[  239.936323]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  239.941680]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  239.946690]  ? timerqueue_add+0x207/0x2b0
[  239.950829]  ? enqueue_hrtimer+0x1a5/0x560
[  239.955050]  ? lock_release+0x970/0x970
[  239.959016]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  239.964207]  ? kasan_check_write+0x14/0x20
[  239.968435]  ? pvclock_read_flags+0x160/0x160
[  239.972938]  ? lock_downgrade+0x900/0x900
[  239.977081]  ? trace_hardirqs_on+0xbd/0x310
[  239.981392]  ? kvm_sched_clock_read+0x9/0x20
[  239.985790]  ? irq_exit+0x17f/0x1c0
[  239.989408]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.994936]  ? check_preemption_disabled+0x48/0x200
[  239.999940]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.005482]  run_timer_softirq+0x52/0xb0
[  240.009555]  ? __this_cpu_preempt_check+0x1c/0x1f
[  240.014391]  __do_softirq+0x30b/0xad8
[  240.018192]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  240.023303]  ? pvclock_read_flags+0x160/0x160
[  240.027796]  ? lapic_next_event+0x5a/0x90
[  240.031932]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.037472]  ? clockevents_program_event+0x140/0x370
[  240.042574]  ? kvm_clock_read+0x18/0x30
[  240.046536]  ? kvm_sched_clock_read+0x9/0x20
[  240.050937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.056472]  ? check_preemption_disabled+0x48/0x200
[  240.061491]  irq_exit+0x17f/0x1c0
[  240.064939]  smp_apic_timer_interrupt+0x1cb/0x760
[  240.069772]  ? smp_reschedule_interrupt+0x109/0x650
[  240.074775]  ? smp_call_function_single_interrupt+0x650/0x650
[  240.080648]  ? interrupt_entry+0xb5/0xf0
[  240.084701]  ? trace_hardirqs_off_caller+0xbb/0x310
[  240.089727]  ? trace_hardirqs_off_caller+0xbb/0x310
[  240.094734]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  240.099576]  ? trace_hardirqs_on_caller+0x310/0x310
[  240.104582]  ? trace_hardirqs_on_caller+0x310/0x310
[  240.109590]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.115690]  ? check_preemption_disabled+0x48/0x200
[  240.120704]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  240.125540]  apic_timer_interrupt+0xf/0x20
[  240.129756]  </IRQ>
[  240.131990] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  240.136909] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  240.155802] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  240.163516] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  240.170770] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  240.178029] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  240.185288] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  240.192543] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  240.199811]  ? trace_hardirqs_on+0xb4/0x310
[  240.204126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.209662]  skb_clone+0x1bb/0x500
[  240.213198]  ? finish_task_switch+0x2f5/0x900
[  240.217684]  ? skb_split+0x11e0/0x11e0
[  240.221564]  ? preempt_notifier_register+0x200/0x200
[  240.226655]  ? __switch_to_asm+0x34/0x70
[  240.230707]  ? __switch_to_asm+0x34/0x70
[  240.234755]  ? __switch_to_asm+0x40/0x70
[  240.238804]  ? __switch_to_asm+0x34/0x70
[  240.242855]  ? __switch_to_asm+0x40/0x70
[  240.246905]  ? __switch_to_asm+0x34/0x70
[  240.251096]  ? __switch_to_asm+0x40/0x70
[  240.255135]  ? __switch_to_asm+0x34/0x70
[  240.259202]  ? __switch_to_asm+0x34/0x70
[  240.263252]  ? __switch_to_asm+0x40/0x70
[  240.267302]  ? __switch_to_asm+0x34/0x70
[  240.271356]  bpf_clone_redirect+0xb9/0x490
[  240.275582]  ? __schedule+0x874/0x1ed0
[  240.279788]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  240.284711]  ? __sched_text_start+0x8/0x8
[  240.288851]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  240.293597]  ? retint_kernel+0x2d/0x2d
[  240.297480]  ? lock_acquire+0x1ed/0x520
[  240.301459]  ? bpf_test_run+0x32e/0x5a0
[  240.305462]  ? lock_release+0x970/0x970
[  240.309434]  ? preempt_schedule+0x4d/0x60
[  240.313581]  ? preempt_schedule_common+0x1f/0xd0
[  240.318326]  ? preempt_schedule+0x4d/0x60
[  240.322472]  ? ___preempt_schedule+0x16/0x18
[  240.326870]  ? bpf_test_run+0x1c0/0x5a0
[  240.330837]  ? netlink_diag_dump+0x2a0/0x2a0
[  240.335236]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.340763]  ? bpf_test_init.isra.9+0x70/0x100
[  240.345337]  ? bpf_prog_test_run_skb+0x634/0xb40
[  240.350084]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  240.354914]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  240.360448]  ? fput+0x130/0x1a0
[  240.363718]  ? __bpf_prog_get+0x9b/0x290
[  240.367771]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  240.372604]  ? bpf_prog_test_run+0x130/0x1a0
[  240.377006]  ? __x64_sys_bpf+0x3d8/0x510
[  240.381056]  ? bpf_prog_get+0x20/0x20
[  240.384859]  ? do_syscall_64+0x1b9/0x820
[  240.388909]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  240.394264]  ? syscall_return_slowpath+0x5e0/0x5e0
[  240.399336]  ? trace_hardirqs_on_caller+0x310/0x310
[  240.404358]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  240.409385]  ? recalc_sigpending_tsk+0x180/0x180
[  240.414135]  ? kasan_check_write+0x14/0x20
[  240.418362]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  240.423195]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  240.428557] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  240.428561] warn_alloc_show_mem: 1 callbacks suppressed
[  240.428567] Mem-Info:
[  240.435393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  240.440757] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  240.440757]  active_file:16 inactive_file:17 isolated_file:0
[  240.440757]  unevictable:0 dirty:0 writeback:0 unstable:0
[  240.440757]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  240.440757]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  240.440757]  free:13792 free_pcp:309 free_cma:0
[  240.443140] Call Trace:
[  240.453019] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  240.453022] 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
[  240.453042] lowmem_reserve[]: 0 2819 6323 6323
[  240.453054] Node 0 DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  240.453073] lowmem_reserve[]: 0 0 3503 3503
[  240.453083] Node 0 Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  240.453103] lowmem_reserve[]: 0 0 0 0
[  240.453114] 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
[  240.453167] Node 0 DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB
[  240.453220] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB
[  240.453270] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  240.453275] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  240.453278] 4986 total pagecache pages
[  240.453282] 0 pages in swap cache
[  240.453287] Swap cache stats: add 0, delete 0, find 0/0
[  240.453289] Free swap  = 0kB
[  240.453292] Total swap = 0kB
[  240.453294] 1965979 pages RAM
[  240.453297] 0 pages HighMem/MovableOnly
[  240.453299] 342307 pages reserved
[  240.453301] 0 pages cma reserved
[  240.453344] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  240.453380] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  240.453383] syz-executor4 cpuset=syz4 mems_allowed=0
[  240.741375]  dump_stack+0x1c4/0x2b4
[  240.745007]  ? dump_stack_print_info.cold.2+0x52/0x52
[  240.750197]  warn_alloc.cold.119+0xb7/0x1bd
[  240.754509]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  240.759861]  ? lock_downgrade+0x900/0x900
[  240.764002]  ? trace_hardirqs_off+0xb8/0x310
[  240.768411]  ? trace_hardirqs_off+0xb8/0x310
[  240.772815]  __alloc_pages_slowpath+0x2667/0x2d80
[  240.777663]  ? warn_alloc+0x120/0x120
[  240.781461]  ? warn_alloc+0x120/0x120
[  240.785254]  ? warn_alloc+0x120/0x120
[  240.789047]  ? mark_held_locks+0x130/0x130
[  240.793273]  ? mark_held_locks+0x130/0x130
[  240.797499]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.803024]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.808555]  ? should_fail+0x22d/0xd01
[  240.812436]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  240.817529]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.823059]  ? should_fail+0x22d/0xd01
[  240.826942]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  240.832036]  ? should_fail+0x22d/0xd01
[  240.835923]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  240.841019]  ? mark_held_locks+0x130/0x130
[  240.845244]  ? mark_held_locks+0x130/0x130
[  240.849473]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.855511]  ? trace_hardirqs_off+0xb8/0x310
[  240.859913]  ? kasan_check_read+0x11/0x20
[  240.864050]  ? do_raw_spin_unlock+0xa7/0x2f0
[  240.868907]  ? trace_hardirqs_on+0x310/0x310
[  240.873328]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.878857]  ? wq_watchdog_touch+0x9c/0xfe
[  240.883091]  ? io_serial_in+0x11/0x90
[  240.886881]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.892429]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  240.897989]  __alloc_pages_nodemask+0xa80/0xde0
[  240.902815]  ? should_fail+0x22d/0xd01
[  240.906715]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  240.911735]  ? ____cache_alloc_node+0x1c7/0x1e0
[  240.916397]  ? lock_downgrade+0x900/0x900
[  240.920542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.926072]  cache_grow_begin+0x91/0x8c0
[  240.930640]  ? do_raw_spin_unlock+0xa7/0x2f0
[  240.935351]  fallback_alloc+0x203/0x2e0
[  240.939976]  ____cache_alloc_node+0x1c7/0x1e0
[  240.944464]  kmem_cache_alloc_node+0xe3/0x730
[  240.948950]  ? ipv6_get_ifaddr+0x42e/0x620
[  240.953179]  __alloc_skb+0x119/0x770
[  240.957330]  ? skb_scrub_packet+0x490/0x490
[  240.961644]  ? lock_downgrade+0x900/0x900
[  240.965785]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.971311]  ? refcount_sub_and_test_checked+0x203/0x310
[  240.976752]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  240.982207]  ? addrconf_rs_timer+0x690/0x690
[  240.986615]  ndisc_alloc_skb+0x144/0x340
[  240.990669]  ndisc_send_rs+0x331/0x6e0
[  240.994549]  addrconf_rs_timer+0x314/0x690
[  240.998772]  ? lock_release+0x970/0x970
[  241.002740]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.006973]  call_timer_fn+0x272/0x920
[  241.010853]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.015078]  ? process_timeout+0x40/0x40
[  241.019124]  ? kasan_check_read+0x11/0x20
[  241.023263]  ? do_raw_spin_unlock+0xa7/0x2f0
[  241.027661]  ? trace_hardirqs_on+0x310/0x310
[  241.032066]  ? __run_timers+0x7da/0xc70
[  241.036034]  ? lock_downgrade+0x900/0x900
[  241.040173]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  241.045268]  ? trace_hardirqs_on+0xbd/0x310
[  241.049575]  ? kasan_check_read+0x11/0x20
[  241.053715]  ? __run_timers+0x7da/0xc70
[  241.057678]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  241.063120]  ? kasan_check_write+0x14/0x20
[  241.067368]  ? do_raw_spin_lock+0xc1/0x200
[  241.071595]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.075820]  __run_timers+0x7e5/0xc70
[  241.079620]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  241.084972]  ? compat_start_thread+0x80/0x80
[  241.089374]  ? dequeue_entity+0x1770/0x1770
[  241.093787]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.099312]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.104842]  ? kasan_check_write+0x14/0x20
[  241.109597]  ? finish_task_switch+0x2f5/0x900
[  241.115886]  ? __switch_to_asm+0x40/0x70
[  241.119952]  ? preempt_notifier_register+0x200/0x200
[  241.125531]  ? __switch_to_asm+0x34/0x70
[  241.129581]  ? __switch_to_asm+0x40/0x70
[  241.133630]  ? __switch_to_asm+0x34/0x70
[  241.137683]  ? __switch_to_asm+0x40/0x70
[  241.141734]  ? __switch_to_asm+0x34/0x70
[  241.145869]  ? __switch_to_asm+0x40/0x70
[  241.149928]  ? pvclock_read_flags+0x160/0x160
[  241.154423]  ? __schedule+0x874/0x1ed0
[  241.158299]  ? run_rebalance_domains+0x38d/0x500
[  241.163487]  ? trace_hardirqs_on+0xbd/0x310
[  241.167998]  ? kvm_sched_clock_read+0x9/0x20
[  241.172397]  ? run_ksoftirqd+0x94/0x100
[  241.176371]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.181899]  ? check_preemption_disabled+0x48/0x200
[  241.187360]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.192896]  run_timer_softirq+0x52/0xb0
[  241.196951]  ? __this_cpu_preempt_check+0x1c/0x1f
[  241.201782]  __do_softirq+0x30b/0xad8
[  241.205575]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  241.210666]  ? trace_hardirqs_off+0xb8/0x310
[  241.215067]  ? schedule+0x108/0x460
[  241.218689]  ? __schedule+0x1ed0/0x1ed0
[  241.222653]  ? run_ksoftirqd+0x99/0x100
[  241.226617]  ? trace_hardirqs_off+0xb8/0x310
[  241.231016]  ? ___might_sleep+0x1ed/0x300
[  241.235157]  ? smpboot_thread_fn+0x68b/0xa00
[  241.239560]  ? trace_hardirqs_on+0x310/0x310
[  241.243959]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.249491]  ? check_preemption_disabled+0x48/0x200
[  241.254497]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.260477]  ? takeover_tasklets+0xa90/0xa90
[  241.264881]  run_ksoftirqd+0x94/0x100
[  241.268671]  smpboot_thread_fn+0x68b/0xa00
[  241.272907]  ? sort_range+0x30/0x30
[  241.276524]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  241.281617]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.287143]  ? __kthread_parkme+0xfb/0x1a0
[  241.291369]  kthread+0x35a/0x420
[  241.294724]  ? sort_range+0x30/0x30
[  241.298345]  ? kthread_bind+0x40/0x40
[  241.302139]  ret_from_fork+0x3a/0x50
[  241.305850] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  241.305902] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  241.313116] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  241.313120] Call Trace:
[  241.313125]  <IRQ>
[  241.313139]  dump_stack+0x1c4/0x2b4
[  241.313155]  ? dump_stack_print_info.cold.2+0x52/0x52
[  241.320220] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  241.329521]  warn_alloc.cold.119+0xb7/0x1bd
[  241.332071] ksoftirqd/1 cpuset=
[  241.334216]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  241.337810] /
[  241.342985]  ? lock_downgrade+0x900/0x900
[  241.353268]  mems_allowed=0
[  241.357572]  ? trace_hardirqs_off+0xb8/0x310
[  241.378780]  ? trace_hardirqs_off+0xb8/0x310
[  241.383324]  __alloc_pages_slowpath+0x2667/0x2d80
[  241.388197]  ? warn_alloc+0x120/0x120
[  241.392005]  ? warn_alloc+0x120/0x120
[  241.395800]  ? warn_alloc+0x120/0x120
[  241.399587]  ? lock_release+0x970/0x970
[  241.403554]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  241.408734]  ? trace_hardirqs_on+0x310/0x310
[  241.413132]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.418658]  ? should_fail+0x22d/0xd01
[  241.422538]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  241.427641]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.433168]  ? should_fail+0x22d/0xd01
[  241.437049]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  241.442141]  ? should_fail+0x22d/0xd01
[  241.446020]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  241.451112]  ? mark_held_locks+0x130/0x130
[  241.456975]  ? mark_held_locks+0x130/0x130
[  241.461201]  ? kvm_clock_read+0x18/0x30
[  241.465164]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  241.470799]  ? ktime_get+0x2e1/0x440
[  241.474504]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.480036]  ? check_preemption_disabled+0x48/0x200
[  241.485042]  ? kasan_check_read+0x11/0x20
[  241.490340]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  241.495613]  ? rcu_bh_qs+0xc0/0xc0
[  241.499144]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.505229]  ? check_preemption_disabled+0x48/0x200
[  241.510236]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  241.515243]  ? widen_string+0xe0/0x2e0
[  241.519487]  __alloc_pages_nodemask+0xa80/0xde0
[  241.524151]  ? should_fail+0x22d/0xd01
[  241.528033]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  241.533191]  ? ____cache_alloc_node+0x1c7/0x1e0
[  241.537857]  ? lock_downgrade+0x900/0x900
[  241.542578]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.548103]  cache_grow_begin+0x91/0x8c0
[  241.552153]  ? do_raw_spin_unlock+0xa7/0x2f0
[  241.556556]  fallback_alloc+0x203/0x2e0
[  241.560525]  ____cache_alloc_node+0x1c7/0x1e0
[  241.565016]  kmem_cache_alloc_node+0xe3/0x730
[  241.569502]  ? ipv6_get_ifaddr+0x42e/0x620
[  241.573732]  __alloc_skb+0x119/0x770
[  241.577438]  ? skb_scrub_packet+0x490/0x490
[  241.581753]  ? lock_downgrade+0x900/0x900
[  241.585892]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.591420]  ? refcount_sub_and_test_checked+0x203/0x310
[  241.597030]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  241.602473]  ? addrconf_rs_timer+0x690/0x690
[  241.606876]  ndisc_alloc_skb+0x144/0x340
[  241.610932]  ndisc_send_rs+0x331/0x6e0
[  241.614812]  addrconf_rs_timer+0x314/0x690
[  241.619041]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.623271]  call_timer_fn+0x272/0x920
[  241.627151]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.631379]  ? process_timeout+0x40/0x40
[  241.635428]  ? trace_hardirqs_off+0xb8/0x310
[  241.639829]  ? kasan_check_read+0x11/0x20
[  241.643969]  ? do_raw_spin_unlock+0xa7/0x2f0
[  241.648367]  ? trace_hardirqs_on+0x310/0x310
[  241.652767]  ? __run_timers+0x7da/0xc70
[  241.656736]  ? lock_downgrade+0x900/0x900
[  241.660874]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  241.665967]  ? trace_hardirqs_on+0xbd/0x310
[  241.670275]  ? kasan_check_read+0x11/0x20
[  241.674418]  ? __run_timers+0x7da/0xc70
[  241.678387]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  241.683825]  ? kasan_check_write+0x14/0x20
[  241.688054]  ? do_raw_spin_lock+0xc1/0x200
[  241.692280]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.696529]  __run_timers+0x7e5/0xc70
[  241.700343]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  241.705716]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  241.710723]  ? timerqueue_add+0x207/0x2b0
[  241.714867]  ? enqueue_hrtimer+0x1a5/0x560
[  241.719090]  ? lock_release+0x970/0x970
[  241.723052]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  241.728373]  ? kasan_check_write+0x14/0x20
[  241.732609]  ? pvclock_read_flags+0x160/0x160
[  241.737111]  ? lock_downgrade+0x900/0x900
[  241.741256]  ? trace_hardirqs_on+0xbd/0x310
[  241.745571]  ? kvm_sched_clock_read+0x9/0x20
[  241.749968]  ? irq_exit+0x17f/0x1c0
[  241.753585]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.759111]  ? check_preemption_disabled+0x48/0x200
[  241.764120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.769654]  run_timer_softirq+0x52/0xb0
[  241.773703]  ? __this_cpu_preempt_check+0x1c/0x1f
[  241.778532]  __do_softirq+0x30b/0xad8
[  241.782329]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  241.787424]  ? pvclock_read_flags+0x160/0x160
[  241.791911]  ? lapic_next_event+0x5a/0x90
[  241.796061]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.801588]  ? clockevents_program_event+0x140/0x370
[  241.806707]  ? kvm_clock_read+0x18/0x30
[  241.810671]  ? kvm_sched_clock_read+0x9/0x20
[  241.815070]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.820600]  ? check_preemption_disabled+0x48/0x200
[  241.825609]  irq_exit+0x17f/0x1c0
[  241.829057]  smp_apic_timer_interrupt+0x1cb/0x760
[  241.833891]  ? smp_reschedule_interrupt+0x109/0x650
[  241.838899]  ? smp_call_function_single_interrupt+0x650/0x650
[  241.844769]  ? interrupt_entry+0xb5/0xf0
[  241.848820]  ? trace_hardirqs_off_caller+0xbb/0x310
[  241.853826]  ? trace_hardirqs_off_caller+0xbb/0x310
[  241.858835]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  241.863665]  ? trace_hardirqs_on_caller+0x310/0x310
[  241.868673]  ? trace_hardirqs_on_caller+0x310/0x310
[  241.873677]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.879208]  ? check_preemption_disabled+0x48/0x200
[  241.884221]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  241.889166]  apic_timer_interrupt+0xf/0x20
[  241.893402]  </IRQ>
[  241.895663] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  241.900584] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  241.919474] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  241.927169] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  241.934425] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  241.941683] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  241.948951] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  241.956317] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  241.963588]  ? trace_hardirqs_on+0xb4/0x310
[  241.967921]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.973459]  skb_clone+0x1bb/0x500
[  241.976989]  ? finish_task_switch+0x2f5/0x900
[  241.981471]  ? skb_split+0x11e0/0x11e0
[  241.985349]  ? preempt_notifier_register+0x200/0x200
[  241.990439]  ? __switch_to_asm+0x34/0x70
[  241.994489]  ? __switch_to_asm+0x34/0x70
[  241.998537]  ? __switch_to_asm+0x40/0x70
[  242.002602]  ? __switch_to_asm+0x34/0x70
[  242.006648]  ? __switch_to_asm+0x40/0x70
[  242.010695]  ? __switch_to_asm+0x34/0x70
[  242.014746]  ? __switch_to_asm+0x40/0x70
[  242.018792]  ? __switch_to_asm+0x34/0x70
[  242.022842]  ? __switch_to_asm+0x34/0x70
[  242.026889]  ? __switch_to_asm+0x40/0x70
[  242.030957]  ? __switch_to_asm+0x34/0x70
[  242.035014]  bpf_clone_redirect+0xb9/0x490
[  242.039243]  ? __schedule+0x874/0x1ed0
[  242.043136]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  242.048055]  ? __sched_text_start+0x8/0x8
[  242.052192]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  242.056940]  ? retint_kernel+0x2d/0x2d
[  242.060840]  ? lock_acquire+0x1ed/0x520
[  242.064803]  ? bpf_test_run+0x32e/0x5a0
[  242.068788]  ? lock_release+0x970/0x970
[  242.072765]  ? preempt_schedule+0x4d/0x60
[  242.076904]  ? preempt_schedule_common+0x1f/0xd0
[  242.081649]  ? preempt_schedule+0x4d/0x60
[  242.085784]  ? ___preempt_schedule+0x16/0x18
[  242.090186]  ? bpf_test_run+0x1c0/0x5a0
[  242.094158]  ? netlink_diag_dump+0x2a0/0x2a0
[  242.098557]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  242.104082]  ? bpf_test_init.isra.9+0x70/0x100
[  242.108652]  ? bpf_prog_test_run_skb+0x634/0xb40
[  242.113870]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  242.118702]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  242.124230]  ? fput+0x130/0x1a0
[  242.127513]  ? __bpf_prog_get+0x9b/0x290
[  242.131571]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  242.136407]  ? bpf_prog_test_run+0x130/0x1a0
[  242.140807]  ? __x64_sys_bpf+0x3d8/0x510
[  242.144856]  ? bpf_prog_get+0x20/0x20
[  242.148658]  ? do_syscall_64+0x1b9/0x820
[  242.152708]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  242.158062]  ? syscall_return_slowpath+0x5e0/0x5e0
[  242.163002]  ? trace_hardirqs_on_caller+0x310/0x310
[  242.168028]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  242.173035]  ? recalc_sigpending_tsk+0x180/0x180
[  242.177786]  ? kasan_check_write+0x14/0x20
[  242.182028]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  242.186867]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  242.192319] warn_alloc_show_mem: 1 callbacks suppressed
[  242.192328] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  242.192330] Mem-Info:
[  242.192358] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  242.192358]  active_file:16 inactive_file:17 isolated_file:0
[  242.192358]  unevictable:0 dirty:0 writeback:0 unstable:0
[  242.192358]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  242.192358]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  242.192358]  free:13792 free_pcp:309 free_cma:0
[  242.197686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  242.204514] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  242.206902] Call Trace:
[  242.239930] Node 0 
[  242.249286]  dump_stack+0x1c4/0x2b4
[  242.277319] 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
[  242.280327]  ? dump_stack_print_info.cold.2+0x52/0x52
[  242.282533] lowmem_reserve[]:
[  242.286157]  warn_alloc.cold.119+0xb7/0x1bd
[  242.311768]  0 2819 6323 6323
[  242.311782] Node 0 DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  242.319644]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  242.322715] lowmem_reserve[]: 0
[  242.327030]  ? lock_downgrade+0x900/0x900
[  242.330103]  0
[  242.358181]  ? trace_hardirqs_off+0xb8/0x310
[  242.362994]  3503
[  242.366264]  ? trace_hardirqs_off+0xb8/0x310
[  242.370383]  3503
[  242.372176]  __alloc_pages_slowpath+0x2667/0x2d80
[  242.376679] Node 0 Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  242.376700] lowmem_reserve[]: 0 0 0 0
[  242.376712] 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) 
[  242.378851]  ? warn_alloc+0x120/0x120
[  242.383228] = 15908kB
[  242.383235] Node 0 
[  242.385289]  ? warn_alloc+0x120/0x120
[  242.390100] DMA32: 
[  242.419152]  ? warn_alloc+0x120/0x120
[  242.422923] 6*4kB 
[  242.435646]  ? mark_held_locks+0x130/0x130
[  242.439407] (UME) 2*8kB 
[  242.441811]  ? mark_held_locks+0x130/0x130
[  242.444017] (UE) 
[  242.447799]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.450005] 4*16kB 
[  242.454777]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  242.457069] (UME) 
[  242.461732]  ? should_fail+0x22d/0xd01
[  242.464372] 4*32kB 
[  242.469077]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  242.471111] (UME) 
[  242.476629]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  242.478836] 5*64kB 
[  242.484793]  ? should_fail+0x22d/0xd01
[  242.486911] (ME) 
[  242.490789]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  242.492995] 5*128kB 
[  242.498107]  ? should_fail+0x22d/0xd01
[  242.500224] (UME) 
[  242.507041]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  242.509268] 4*256kB 
[  242.513132]  ? mark_held_locks+0x130/0x130
[  242.515163] (ME) 
[  242.520769]  ? mark_held_locks+0x130/0x130
[  242.523061] 5*512kB 
[  242.526930]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.529047] (UME) 
[  242.534607]  ? trace_hardirqs_off+0xb8/0x310
[  242.536898] 4*1024kB 
[  242.541116]  ? kasan_check_read+0x11/0x20
[  242.543146] (UME) 
[  242.547365]  ? do_raw_spin_unlock+0xa7/0x2f0
[  242.549985] 2*2048kB (ME) 3*4096kB (M) = 25256kB
[  242.549998] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB
[  242.550050] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  242.550055] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  242.550058] 4986 total pagecache pages
[  242.550063] 0 pages in swap cache
[  242.550067] Swap cache stats: add 0, delete 0, find 0/0
[  242.550070] Free swap  = 0kB
[  242.550073] Total swap = 0kB
[  242.550077] 1965979 pages RAM
[  242.550079] 0 pages HighMem/MovableOnly
[  242.550082] 342307 pages reserved
[  242.550084] 0 pages cma reserved
[  242.550130] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  242.550167] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  242.550171] syz-executor4 cpuset=syz4 mems_allowed=0
[  242.671848]  ? trace_hardirqs_on+0x310/0x310
[  242.677090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.683183]  ? wq_watchdog_touch+0x9c/0xfe
[  242.687409]  ? io_serial_in+0x11/0x90
[  242.691200]  ? retint_kernel+0x2d/0x2d
[  242.695082]  ? trace_hardirqs_on_caller+0xc0/0x310
[  242.700444]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  242.705191]  ? trace_hardirqs_off+0x310/0x310
[  242.710141]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  242.715246]  __alloc_pages_nodemask+0xa80/0xde0
[  242.719904]  ? should_fail+0x22d/0xd01
[  242.724268]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  242.729287]  ? ____cache_alloc_node+0x1c7/0x1e0
[  242.734390]  ? lock_downgrade+0x900/0x900
[  242.738532]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.744064]  cache_grow_begin+0x91/0x8c0
[  242.748117]  ? do_raw_spin_unlock+0xa7/0x2f0
[  242.752518]  fallback_alloc+0x203/0x2e0
[  242.756996]  ____cache_alloc_node+0x1c7/0x1e0
[  242.761483]  kmem_cache_alloc_node+0xe3/0x730
[  242.766453]  ? ipv6_get_ifaddr+0x42e/0x620
[  242.771404]  __alloc_skb+0x119/0x770
[  242.775150]  ? skb_scrub_packet+0x490/0x490
[  242.779460]  ? lock_downgrade+0x900/0x900
[  242.783602]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.790091]  ? refcount_sub_and_test_checked+0x203/0x310
[  242.795547]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  242.800986]  ? addrconf_rs_timer+0x690/0x690
[  242.805867]  ndisc_alloc_skb+0x144/0x340
[  242.810962]  ndisc_send_rs+0x331/0x6e0
[  242.817516]  addrconf_rs_timer+0x314/0x690
[  242.821744]  ? lock_release+0x970/0x970
[  242.825735]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.829970]  call_timer_fn+0x272/0x920
[  242.833851]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.838079]  ? process_timeout+0x40/0x40
[  242.842131]  ? kasan_check_read+0x11/0x20
[  242.846272]  ? do_raw_spin_unlock+0xa7/0x2f0
[  242.850674]  ? trace_hardirqs_on+0x310/0x310
[  242.855076]  ? __run_timers+0x7da/0xc70
[  242.859043]  ? lock_downgrade+0x900/0x900
[  242.863186]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  242.868288]  ? trace_hardirqs_on+0xbd/0x310
[  242.872595]  ? kasan_check_read+0x11/0x20
[  242.876736]  ? __run_timers+0x7da/0xc70
[  242.880705]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  242.886151]  ? kasan_check_write+0x14/0x20
[  242.890377]  ? do_raw_spin_lock+0xc1/0x200
[  242.894604]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.898948]  __run_timers+0x7e5/0xc70
[  242.902748]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  242.908101]  ? compat_start_thread+0x80/0x80
[  242.912496]  ? dequeue_entity+0x1770/0x1770
[  242.917242]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.922766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.928312]  ? kasan_check_write+0x14/0x20
[  242.932537]  ? finish_task_switch+0x2f5/0x900
[  242.937022]  ? __switch_to_asm+0x40/0x70
[  242.941555]  ? preempt_notifier_register+0x200/0x200
[  242.946648]  ? __switch_to_asm+0x34/0x70
[  242.950699]  ? __switch_to_asm+0x40/0x70
[  242.954754]  ? __switch_to_asm+0x34/0x70
[  242.958801]  ? __switch_to_asm+0x40/0x70
[  242.962849]  ? __switch_to_asm+0x34/0x70
[  242.966897]  ? __switch_to_asm+0x40/0x70
[  242.970951]  ? pvclock_read_flags+0x160/0x160
[  242.975946]  ? __schedule+0x874/0x1ed0
[  242.979822]  ? run_rebalance_domains+0x38d/0x500
[  242.984572]  ? trace_hardirqs_on+0xbd/0x310
[  242.988882]  ? kvm_sched_clock_read+0x9/0x20
[  242.993279]  ? run_ksoftirqd+0x94/0x100
[  242.997245]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.003247]  ? check_preemption_disabled+0x48/0x200
[  243.008253]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.013786]  run_timer_softirq+0x52/0xb0
[  243.017847]  ? __this_cpu_preempt_check+0x1c/0x1f
[  243.022680]  __do_softirq+0x30b/0xad8
[  243.026476]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  243.031567]  ? trace_hardirqs_off+0xb8/0x310
[  243.035971]  ? schedule+0x108/0x460
[  243.039588]  ? __schedule+0x1ed0/0x1ed0
[  243.043556]  ? run_ksoftirqd+0x99/0x100
[  243.047521]  ? trace_hardirqs_off+0xb8/0x310
[  243.051923]  ? ___might_sleep+0x1ed/0x300
[  243.056060]  ? smpboot_thread_fn+0x68b/0xa00
[  243.060458]  ? trace_hardirqs_on+0x310/0x310
[  243.064860]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.070386]  ? check_preemption_disabled+0x48/0x200
[  243.077204]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.082747]  ? takeover_tasklets+0xa90/0xa90
[  243.087258]  run_ksoftirqd+0x94/0x100
[  243.091046]  smpboot_thread_fn+0x68b/0xa00
[  243.095270]  ? sort_range+0x30/0x30
[  243.098888]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  243.103981]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.109507]  ? __kthread_parkme+0xfb/0x1a0
[  243.113746]  kthread+0x35a/0x420
[  243.117098]  ? sort_range+0x30/0x30
[  243.120716]  ? kthread_bind+0x40/0x40
[  243.125012]  ret_from_fork+0x3a/0x50
[  243.128742] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  243.128807] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  243.136039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  243.136043] Call Trace:
[  243.136048]  <IRQ>
[  243.136063]  dump_stack+0x1c4/0x2b4
[  243.136080]  ? dump_stack_print_info.cold.2+0x52/0x52
[  243.142612] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  243.151885]  warn_alloc.cold.119+0xb7/0x1bd
[  243.154439] ksoftirqd/1 cpuset=
[  243.156574]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  243.160166] /
[  243.165348]  ? lock_downgrade+0x900/0x900
[  243.176624]  mems_allowed=0
[  243.197762]  ? trace_hardirqs_off+0xb8/0x310
[  243.202165]  ? trace_hardirqs_off+0xb8/0x310
[  243.206585]  __alloc_pages_slowpath+0x2667/0x2d80
[  243.211430]  ? warn_alloc+0x120/0x120
[  243.215230]  ? warn_alloc+0x120/0x120
[  243.219021]  ? warn_alloc+0x120/0x120
[  243.222808]  ? lock_release+0x970/0x970
[  243.226786]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  243.231967]  ? trace_hardirqs_on+0x310/0x310
[  243.236367]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.241895]  ? should_fail+0x22d/0xd01
[  243.245775]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  243.250866]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.256390]  ? should_fail+0x22d/0xd01
[  243.260271]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  243.265360]  ? should_fail+0x22d/0xd01
[  243.269241]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  243.274347]  ? mark_held_locks+0x130/0x130
[  243.278579]  ? mark_held_locks+0x130/0x130
[  243.282802]  ? kvm_clock_read+0x18/0x30
[  243.286780]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  243.291783]  ? ktime_get+0x2e1/0x440
[  243.295485]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.301012]  ? check_preemption_disabled+0x48/0x200
[  243.306017]  ? kasan_check_read+0x11/0x20
[  243.310157]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  243.315433]  ? rcu_bh_qs+0xc0/0xc0
[  243.318965]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.324493]  ? check_preemption_disabled+0x48/0x200
[  243.329497]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  243.334501]  ? widen_string+0xe0/0x2e0
[  243.338384]  __alloc_pages_nodemask+0xa80/0xde0
[  243.343044]  ? should_fail+0x22d/0xd01
[  243.346923]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  243.351943]  ? ____cache_alloc_node+0x1c7/0x1e0
[  243.356599]  ? lock_downgrade+0x900/0x900
[  243.360742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.366380]  cache_grow_begin+0x91/0x8c0
[  243.370433]  ? do_raw_spin_unlock+0xa7/0x2f0
[  243.374832]  fallback_alloc+0x203/0x2e0
[  243.378804]  ____cache_alloc_node+0x1c7/0x1e0
[  243.383305]  kmem_cache_alloc_node+0xe3/0x730
[  243.387790]  ? ipv6_get_ifaddr+0x42e/0x620
[  243.392021]  __alloc_skb+0x119/0x770
[  243.395757]  ? skb_scrub_packet+0x490/0x490
[  243.400083]  ? lock_downgrade+0x900/0x900
[  243.404222]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.409751]  ? refcount_sub_and_test_checked+0x203/0x310
[  243.415198]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  243.420640]  ? addrconf_rs_timer+0x690/0x690
[  243.425040]  ndisc_alloc_skb+0x144/0x340
[  243.429090]  ndisc_send_rs+0x331/0x6e0
[  243.432969]  addrconf_rs_timer+0x314/0x690
[  243.437198]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.441427]  call_timer_fn+0x272/0x920
[  243.445303]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.449525]  ? process_timeout+0x40/0x40
[  243.454333]  ? trace_hardirqs_off+0xb8/0x310
[  243.458727]  ? kasan_check_read+0x11/0x20
[  243.462869]  ? do_raw_spin_unlock+0xa7/0x2f0
[  243.467270]  ? trace_hardirqs_on+0x310/0x310
[  243.473904]  ? __run_timers+0x7da/0xc70
[  243.477878]  ? lock_downgrade+0x900/0x900
[  243.482034]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  243.487144]  ? trace_hardirqs_on+0xbd/0x310
[  243.491463]  ? kasan_check_read+0x11/0x20
[  243.496250]  ? __run_timers+0x7da/0xc70
[  243.500216]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  243.505663]  ? kasan_check_write+0x14/0x20
[  243.509882]  ? do_raw_spin_lock+0xc1/0x200
[  243.514110]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.518336]  __run_timers+0x7e5/0xc70
[  243.522132]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  243.527492]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  243.532493]  ? timerqueue_add+0x207/0x2b0
[  243.536627]  ? enqueue_hrtimer+0x1a5/0x560
[  243.540849]  ? lock_release+0x970/0x970
[  243.544814]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  243.549997]  ? kasan_check_write+0x14/0x20
[  243.554237]  ? pvclock_read_flags+0x160/0x160
[  243.558721]  ? lock_downgrade+0x900/0x900
[  243.562874]  ? trace_hardirqs_on+0xbd/0x310
[  243.567193]  ? kvm_sched_clock_read+0x9/0x20
[  243.571588]  ? irq_exit+0x17f/0x1c0
[  243.575208]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.580733]  ? check_preemption_disabled+0x48/0x200
[  243.585738]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.591270]  run_timer_softirq+0x52/0xb0
[  243.595326]  ? __this_cpu_preempt_check+0x1c/0x1f
[  243.600163]  __do_softirq+0x30b/0xad8
[  243.603962]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  243.609058]  ? pvclock_read_flags+0x160/0x160
[  243.613543]  ? lapic_next_event+0x5a/0x90
[  243.617682]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.623227]  ? clockevents_program_event+0x140/0x370
[  243.628328]  ? kvm_clock_read+0x18/0x30
[  243.632291]  ? kvm_sched_clock_read+0x9/0x20
[  243.636690]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.642216]  ? check_preemption_disabled+0x48/0x200
[  243.647224]  irq_exit+0x17f/0x1c0
[  243.650664]  smp_apic_timer_interrupt+0x1cb/0x760
[  243.655495]  ? smp_reschedule_interrupt+0x109/0x650
[  243.660506]  ? smp_call_function_single_interrupt+0x650/0x650
[  243.666378]  ? interrupt_entry+0xb5/0xf0
[  243.670431]  ? trace_hardirqs_off_caller+0xbb/0x310
[  243.675439]  ? trace_hardirqs_off_caller+0xbb/0x310
[  243.680446]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  243.685293]  ? trace_hardirqs_on_caller+0x310/0x310
[  243.690320]  ? trace_hardirqs_on_caller+0x310/0x310
[  243.695326]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.700852]  ? check_preemption_disabled+0x48/0x200
[  243.705860]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  243.710707]  apic_timer_interrupt+0xf/0x20
[  243.714924]  </IRQ>
[  243.717168] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  243.722103] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  243.741027] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  243.748729] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  243.755987] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  243.763246] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  243.770506] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  243.777762] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  243.785030]  ? trace_hardirqs_on+0xb4/0x310
[  243.789346]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.794879]  skb_clone+0x1bb/0x500
[  243.798415]  ? finish_task_switch+0x2f5/0x900
[  243.802901]  ? skb_split+0x11e0/0x11e0
[  243.806778]  ? preempt_notifier_register+0x200/0x200
[  243.811874]  ? __switch_to_asm+0x34/0x70
[  243.815922]  ? __switch_to_asm+0x34/0x70
[  243.819973]  ? __switch_to_asm+0x40/0x70
[  243.824022]  ? __switch_to_asm+0x34/0x70
[  243.828070]  ? __switch_to_asm+0x40/0x70
[  243.832123]  ? __switch_to_asm+0x34/0x70
[  243.836171]  ? __switch_to_asm+0x40/0x70
[  243.840217]  ? __switch_to_asm+0x34/0x70
[  243.844266]  ? __switch_to_asm+0x34/0x70
[  243.848310]  ? __switch_to_asm+0x40/0x70
[  243.852355]  ? __switch_to_asm+0x34/0x70
[  243.856407]  bpf_clone_redirect+0xb9/0x490
[  243.860634]  ? __schedule+0x874/0x1ed0
[  243.864525]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  243.869444]  ? __sched_text_start+0x8/0x8
[  243.873584]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  243.878331]  ? retint_kernel+0x2d/0x2d
[  243.882208]  ? lock_acquire+0x1ed/0x520
[  243.886169]  ? bpf_test_run+0x32e/0x5a0
[  243.890138]  ? lock_release+0x970/0x970
[  243.894108]  ? preempt_schedule+0x4d/0x60
[  243.898255]  ? preempt_schedule_common+0x1f/0xd0
[  243.903000]  ? preempt_schedule+0x4d/0x60
[  243.907147]  ? ___preempt_schedule+0x16/0x18
[  243.911545]  ? bpf_test_run+0x1c0/0x5a0
[  243.915509]  ? netlink_diag_dump+0x2a0/0x2a0
[  243.919906]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.925532]  ? bpf_test_init.isra.9+0x70/0x100
[  243.930107]  ? bpf_prog_test_run_skb+0x634/0xb40
[  243.934862]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  243.939697]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  243.945220]  ? fput+0x130/0x1a0
[  243.948487]  ? __bpf_prog_get+0x9b/0x290
[  243.952538]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  243.957379]  ? bpf_prog_test_run+0x130/0x1a0
[  243.961779]  ? __x64_sys_bpf+0x3d8/0x510
[  243.965827]  ? bpf_prog_get+0x20/0x20
[  243.969627]  ? do_syscall_64+0x1b9/0x820
[  243.973774]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  243.979143]  ? syscall_return_slowpath+0x5e0/0x5e0
[  243.984063]  ? trace_hardirqs_on_caller+0x310/0x310
[  243.989069]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  243.994072]  ? recalc_sigpending_tsk+0x180/0x180
[  243.998817]  ? kasan_check_write+0x14/0x20
[  244.003060]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  244.007895]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  244.013258] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  244.013262] warn_alloc_show_mem: 1 callbacks suppressed
[  244.013268] Mem-Info:
[  244.020090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  244.020097] Call Trace:
[  244.025465] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  244.025465]  active_file:16 inactive_file:17 isolated_file:0
[  244.025465]  unevictable:0 dirty:0 writeback:0 unstable:0
[  244.025465]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  244.025465]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  244.025465]  free:13792 free_pcp:309 free_cma:0
[  244.027840]  dump_stack+0x1c4/0x2b4
[  244.037183] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  244.039750]  ? dump_stack_print_info.cold.2+0x52/0x52
[  244.072765] Node 0 
[  244.076381]  warn_alloc.cold.119+0xb7/0x1bd
[  244.104212] 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
[  244.109364]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  244.112016] lowmem_reserve[]: 0
[  244.116339]  ? lock_downgrade+0x900/0x900
[  244.141812]  2819
[  244.147112]  ? trace_hardirqs_off+0xb8/0x310
[  244.150361]  6323
[  244.154490]  ? trace_hardirqs_off+0xb8/0x310
[  244.156520]  6323
[  244.160913]  __alloc_pages_slowpath+0x2667/0x2d80
[  244.167348]  ? warn_alloc+0x120/0x120
[  244.169368] Node 0 
[  244.174656]  ? warn_alloc+0x120/0x120
[  244.178461] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  244.180661]  ? warn_alloc+0x120/0x120
[  244.184455] lowmem_reserve[]:
[  244.212080]  ? mark_held_locks+0x130/0x130
[  244.215849]  0
[  244.218953]  ? mark_held_locks+0x130/0x130
[  244.223153]  0
[  244.224942]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.229142]  3503
[  244.230931]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  244.236431]  3503
[  244.236436] Node 0 Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  244.236457] lowmem_reserve[]: 0 0 0 0
[  244.236468] 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
[  244.236528] Node 0 DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB
[  244.236579] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB
[  244.238675]  ? should_fail+0x22d/0xd01
[  244.244188] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  244.246230]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  244.275173] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  244.279461]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  244.279477]  ? should_fail+0x22d/0xd01
[  244.292973] 4986 total pagecache pages
[  244.309090]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  244.323794] 0 pages in swap cache
[  244.328185]  ? should_fail+0x22d/0xd01
[  244.336987] Swap cache stats: add 0, delete 0, find 0/0
[  244.336994] Free swap  = 0kB
[  244.342084]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  244.350624] Total swap = 0kB
[  244.356162]  ? mark_held_locks+0x130/0x130
[  244.360024] 1965979 pages RAM
[  244.363895]  ? mark_held_locks+0x130/0x130
[  244.368968] 0 pages HighMem/MovableOnly
[  244.372403]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.376254] 342307 pages reserved
[  244.381605]  ? mark_held_locks+0x130/0x130
[  244.384590] 0 pages cma reserved
[  244.390124]  ? trace_hardirqs_on+0x310/0x310
[  244.393161] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  244.397331]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.400459] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  244.404629]  ? wq_watchdog_touch+0x9c/0xfe
[  244.408573] syz-executor4 cpuset=
[  244.414100]  ? io_serial_in+0x11/0x90
[  244.417522] syz4
[  244.421741]  ? retint_kernel+0x2d/0x2d
[  244.425085]  mems_allowed=0
[  244.429478]  ? trace_hardirqs_on_caller+0xc0/0x310
[  244.483148]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  244.487897]  ? trace_hardirqs_off+0x310/0x310
[  244.492380]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  244.497480]  __alloc_pages_nodemask+0xa80/0xde0
[  244.502141]  ? should_fail+0x22d/0xd01
[  244.506018]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  244.511036]  ? ____cache_alloc_node+0x1c7/0x1e0
[  244.515707]  ? lock_downgrade+0x900/0x900
[  244.519849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.525377]  cache_grow_begin+0x91/0x8c0
[  244.529908]  ? do_raw_spin_unlock+0xa7/0x2f0
[  244.535734]  fallback_alloc+0x203/0x2e0
[  244.540110]  ____cache_alloc_node+0x1c7/0x1e0
[  244.544601]  kmem_cache_alloc_node+0xe3/0x730
[  244.549092]  ? ipv6_get_ifaddr+0x42e/0x620
[  244.553319]  __alloc_skb+0x119/0x770
[  244.557024]  ? skb_scrub_packet+0x490/0x490
[  244.561335]  ? lock_downgrade+0x900/0x900
[  244.565475]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.570998]  ? refcount_sub_and_test_checked+0x203/0x310
[  244.576436]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  244.582346]  ? addrconf_rs_timer+0x690/0x690
[  244.586749]  ndisc_alloc_skb+0x144/0x340
[  244.590798]  ndisc_send_rs+0x331/0x6e0
[  244.594692]  addrconf_rs_timer+0x314/0x690
[  244.599879]  ? lock_release+0x970/0x970
[  244.603864]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.608100]  call_timer_fn+0x272/0x920
[  244.611975]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.616201]  ? process_timeout+0x40/0x40
[  244.620247]  ? kasan_check_read+0x11/0x20
[  244.624384]  ? do_raw_spin_unlock+0xa7/0x2f0
[  244.628796]  ? trace_hardirqs_on+0x310/0x310
[  244.633706]  ? __run_timers+0x7da/0xc70
[  244.637670]  ? lock_downgrade+0x900/0x900
[  244.641810]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  244.646904]  ? trace_hardirqs_on+0xbd/0x310
[  244.651224]  ? kasan_check_read+0x11/0x20
[  244.655364]  ? __run_timers+0x7da/0xc70
[  244.659330]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  244.664772]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.670302]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.674526]  __run_timers+0x7e5/0xc70
[  244.678673]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  244.684025]  ? compat_start_thread+0x80/0x80
[  244.688429]  ? dequeue_entity+0x1770/0x1770
[  244.692737]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.698261]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.703790]  ? kasan_check_write+0x14/0x20
[  244.708014]  ? finish_task_switch+0x2f5/0x900
[  244.712494]  ? __switch_to_asm+0x40/0x70
[  244.717012]  ? preempt_notifier_register+0x200/0x200
[  244.722105]  ? __switch_to_asm+0x34/0x70
[  244.726156]  ? __switch_to_asm+0x40/0x70
[  244.730202]  ? __switch_to_asm+0x34/0x70
[  244.734252]  ? __switch_to_asm+0x40/0x70
[  244.738299]  ? __switch_to_asm+0x34/0x70
[  244.742349]  ? __switch_to_asm+0x40/0x70
[  244.746406]  ? pvclock_read_flags+0x160/0x160
[  244.750896]  ? __schedule+0x874/0x1ed0
[  244.754771]  ? run_rebalance_domains+0x38d/0x500
[  244.759522]  ? trace_hardirqs_on+0xbd/0x310
[  244.763834]  ? kvm_sched_clock_read+0x9/0x20
[  244.768233]  ? run_ksoftirqd+0x94/0x100
[  244.772199]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.777727]  ? check_preemption_disabled+0x48/0x200
[  244.782730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.788260]  run_timer_softirq+0x52/0xb0
[  244.792313]  ? __this_cpu_preempt_check+0x1c/0x1f
[  244.797652]  __do_softirq+0x30b/0xad8
[  244.802964]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  244.808063]  ? trace_hardirqs_off+0xb8/0x310
[  244.812468]  ? schedule+0x108/0x460
[  244.816096]  ? __schedule+0x1ed0/0x1ed0
[  244.820063]  ? run_ksoftirqd+0x99/0x100
[  244.824027]  ? trace_hardirqs_off+0xb8/0x310
[  244.828927]  ? ___might_sleep+0x1ed/0x300
[  244.833704]  ? smpboot_thread_fn+0x68b/0xa00
[  244.838104]  ? trace_hardirqs_on+0x310/0x310
[  244.842505]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  244.848473]  ? check_preemption_disabled+0x48/0x200
[  244.853478]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.859008]  ? takeover_tasklets+0xa90/0xa90
[  244.863414]  run_ksoftirqd+0x94/0x100
[  244.867204]  smpboot_thread_fn+0x68b/0xa00
[  244.871428]  ? sort_range+0x30/0x30
[  244.875051]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  244.880160]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  244.885689]  ? __kthread_parkme+0xfb/0x1a0
[  244.889915]  kthread+0x35a/0x420
[  244.893271]  ? sort_range+0x30/0x30
[  244.896886]  ? kthread_bind+0x40/0x40
[  244.900674]  ret_from_fork+0x3a/0x50
[  244.904827] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  244.904905] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  244.912105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  244.912109] Call Trace:
[  244.912114]  <IRQ>
[  244.912129]  dump_stack+0x1c4/0x2b4
[  244.912147]  ? dump_stack_print_info.cold.2+0x52/0x52
[  244.918641] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  244.927948]  warn_alloc.cold.119+0xb7/0x1bd
[  244.930497] ksoftirqd/1 cpuset=
[  244.932644]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  244.936236] /
[  244.941412]  ? lock_downgrade+0x900/0x900
[  244.952188]  mems_allowed=0
[  244.956489]  ? trace_hardirqs_off+0xb8/0x310
[  244.978157]  ? trace_hardirqs_off+0xb8/0x310
[  244.982562]  __alloc_pages_slowpath+0x2667/0x2d80
[  244.987409]  ? warn_alloc+0x120/0x120
[  244.991198]  ? trace_hardirqs_on+0x310/0x310
[  244.995595]  ? warn_alloc+0x120/0x120
[  244.999386]  ? warn_alloc+0x120/0x120
[  245.003172]  ? ktime_get+0x2e1/0x440
[  245.006875]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.012403]  ? check_preemption_disabled+0x48/0x200
[  245.017413]  ? kasan_check_read+0x11/0x20
[  245.021546]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.027079]  ? should_fail+0x22d/0xd01
[  245.030956]  ? rcu_bh_qs+0xc0/0xc0
[  245.034487]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  245.039576]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.045100]  ? should_fail+0x22d/0xd01
[  245.048979]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  245.054069]  ? should_fail+0x22d/0xd01
[  245.057958]  ? rcu_idle_enter+0x4b0/0x4b0
[  245.062099]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  245.067191]  ? mark_held_locks+0x130/0x130
[  245.071429]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.076953]  ? mark_held_locks+0x130/0x130
[  245.081179]  ? rcu_irq_exit+0xce/0x100
[  245.085059]  ? irq_exit+0xbd/0x1c0
[  245.088590]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  245.093595]  ? do_raw_spin_unlock+0xa7/0x2f0
[  245.097991]  ? smp_call_function_single_interrupt+0x650/0x650
[  245.103873]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.109421]  ? ret_from_intr+0xb/0x1e
[  245.113212]  ? retint_kernel+0x2d/0x2d
[  245.117090]  ? trace_hardirqs_on_caller+0xc0/0x310
[  245.122008]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  245.126760]  ? trace_hardirqs_off+0x310/0x310
[  245.131336]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  245.136450]  __alloc_pages_nodemask+0xa80/0xde0
[  245.141112]  ? should_fail+0x22d/0xd01
[  245.144993]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  245.150043]  ? ____cache_alloc_node+0x1c7/0x1e0
[  245.154717]  ? lock_downgrade+0x900/0x900
[  245.158875]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.164407]  cache_grow_begin+0x91/0x8c0
[  245.168461]  ? do_raw_spin_unlock+0xa7/0x2f0
[  245.172862]  fallback_alloc+0x203/0x2e0
[  245.176830]  ____cache_alloc_node+0x1c7/0x1e0
[  245.181318]  kmem_cache_alloc_node+0xe3/0x730
[  245.185805]  ? ipv6_get_ifaddr+0x42e/0x620
[  245.190142]  __alloc_skb+0x119/0x770
[  245.193868]  ? skb_scrub_packet+0x490/0x490
[  245.198208]  ? lock_downgrade+0x900/0x900
[  245.202347]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.207873]  ? refcount_sub_and_test_checked+0x203/0x310
[  245.213321]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  245.218937]  ? addrconf_rs_timer+0x690/0x690
[  245.223340]  ndisc_alloc_skb+0x144/0x340
[  245.227395]  ndisc_send_rs+0x331/0x6e0
[  245.231743]  addrconf_rs_timer+0x314/0x690
[  245.235972]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.240212]  call_timer_fn+0x272/0x920
[  245.244088]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.248315]  ? process_timeout+0x40/0x40
[  245.252370]  ? trace_hardirqs_off+0xb8/0x310
[  245.256765]  ? kasan_check_read+0x11/0x20
[  245.260906]  ? do_raw_spin_unlock+0xa7/0x2f0
[  245.265307]  ? trace_hardirqs_on+0x310/0x310
[  245.269705]  ? __run_timers+0x7da/0xc70
[  245.273679]  ? lock_downgrade+0x900/0x900
[  245.277820]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  245.282914]  ? trace_hardirqs_on+0xbd/0x310
[  245.287224]  ? kasan_check_read+0x11/0x20
[  245.291362]  ? __run_timers+0x7da/0xc70
[  245.295349]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  245.300786]  ? kasan_check_write+0x14/0x20
[  245.305025]  ? do_raw_spin_lock+0xc1/0x200
[  245.309267]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.313492]  __run_timers+0x7e5/0xc70
[  245.317291]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  245.322644]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  245.327650]  ? timerqueue_add+0x207/0x2b0
[  245.331790]  ? enqueue_hrtimer+0x1a5/0x560
[  245.336537]  ? lock_release+0x970/0x970
[  245.340502]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  245.345687]  ? kasan_check_write+0x14/0x20
[  245.349939]  ? pvclock_read_flags+0x160/0x160
[  245.354445]  ? lock_downgrade+0x900/0x900
[  245.358599]  ? trace_hardirqs_on+0xbd/0x310
[  245.362910]  ? kvm_sched_clock_read+0x9/0x20
[  245.367307]  ? irq_exit+0x17f/0x1c0
[  245.370925]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.376451]  ? check_preemption_disabled+0x48/0x200
[  245.381456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.386985]  run_timer_softirq+0x52/0xb0
[  245.391046]  ? __this_cpu_preempt_check+0x1c/0x1f
[  245.395889]  __do_softirq+0x30b/0xad8
[  245.399685]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  245.404778]  ? pvclock_read_flags+0x160/0x160
[  245.409265]  ? lapic_next_event+0x5a/0x90
[  245.413507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.419038]  ? clockevents_program_event+0x140/0x370
[  245.424135]  ? kvm_clock_read+0x18/0x30
[  245.428099]  ? kvm_sched_clock_read+0x9/0x20
[  245.432499]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.438031]  ? check_preemption_disabled+0x48/0x200
[  245.443043]  irq_exit+0x17f/0x1c0
[  245.446519]  smp_apic_timer_interrupt+0x1cb/0x760
[  245.451355]  ? smp_reschedule_interrupt+0x109/0x650
[  245.456540]  ? smp_call_function_single_interrupt+0x650/0x650
[  245.462412]  ? interrupt_entry+0xb5/0xf0
[  245.466467]  ? trace_hardirqs_off_caller+0xbb/0x310
[  245.471657]  ? trace_hardirqs_off_caller+0xbb/0x310
[  245.476664]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  245.481498]  ? trace_hardirqs_on_caller+0x310/0x310
[  245.486504]  ? trace_hardirqs_on_caller+0x310/0x310
[  245.491661]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.497193]  ? check_preemption_disabled+0x48/0x200
[  245.502206]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  245.509338]  apic_timer_interrupt+0xf/0x20
[  245.513573]  </IRQ>
[  245.515807] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  245.520729] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  245.539620] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  245.547319] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  245.554579] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  245.561940] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  245.569200] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  245.576456] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  245.583724]  ? trace_hardirqs_on+0xb4/0x310
[  245.588040]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.593574]  skb_clone+0x1bb/0x500
[  245.597109]  ? finish_task_switch+0x2f5/0x900
[  245.601592]  ? skb_split+0x11e0/0x11e0
[  245.605470]  ? preempt_notifier_register+0x200/0x200
[  245.610582]  ? __switch_to_asm+0x34/0x70
[  245.614633]  ? __switch_to_asm+0x34/0x70
[  245.618682]  ? __switch_to_asm+0x40/0x70
[  245.622743]  ? __switch_to_asm+0x34/0x70
[  245.626796]  ? __switch_to_asm+0x40/0x70
[  245.630863]  ? __switch_to_asm+0x34/0x70
[  245.634915]  ? __switch_to_asm+0x40/0x70
[  245.638975]  ? __switch_to_asm+0x34/0x70
[  245.643029]  ? __switch_to_asm+0x34/0x70
[  245.647085]  ? __switch_to_asm+0x40/0x70
[  245.651154]  ? __switch_to_asm+0x34/0x70
[  245.655221]  bpf_clone_redirect+0xb9/0x490
[  245.659571]  ? __schedule+0x874/0x1ed0
[  245.663491]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  245.668415]  ? __sched_text_start+0x8/0x8
[  245.672556]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  245.677304]  ? retint_kernel+0x2d/0x2d
[  245.681185]  ? lock_acquire+0x1ed/0x520
[  245.685149]  ? bpf_test_run+0x32e/0x5a0
[  245.689123]  ? lock_release+0x970/0x970
[  245.693088]  ? preempt_schedule+0x4d/0x60
[  245.697231]  ? preempt_schedule_common+0x1f/0xd0
[  245.701984]  ? preempt_schedule+0x4d/0x60
[  245.706129]  ? ___preempt_schedule+0x16/0x18
[  245.710529]  ? bpf_test_run+0x1c0/0x5a0
[  245.714498]  ? netlink_diag_dump+0x2a0/0x2a0
[  245.718898]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.724421]  ? bpf_test_init.isra.9+0x70/0x100
[  245.729014]  ? bpf_prog_test_run_skb+0x634/0xb40
[  245.733760]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  245.738596]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  245.744123]  ? fput+0x130/0x1a0
[  245.747394]  ? __bpf_prog_get+0x9b/0x290
[  245.751467]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  245.756299]  ? bpf_prog_test_run+0x130/0x1a0
[  245.760726]  ? __x64_sys_bpf+0x3d8/0x510
[  245.764779]  ? bpf_prog_get+0x20/0x20
[  245.768577]  ? do_syscall_64+0x1b9/0x820
[  245.772630]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  245.777993]  ? syscall_return_slowpath+0x5e0/0x5e0
[  245.782914]  ? trace_hardirqs_on_caller+0x310/0x310
[  245.787920]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  245.792926]  ? recalc_sigpending_tsk+0x180/0x180
[  245.797673]  ? kasan_check_write+0x14/0x20
[  245.801900]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  245.806734]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  245.812096] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  245.812100] warn_alloc_show_mem: 1 callbacks suppressed
[  245.812106] Mem-Info:
[  245.818934] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  245.824295] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  245.824295]  active_file:16 inactive_file:17 isolated_file:0
[  245.824295]  unevictable:0 dirty:0 writeback:0 unstable:0
[  245.824295]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  245.824295]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  245.824295]  free:13792 free_pcp:309 free_cma:0
[  245.826661] Call Trace:
[  245.836040] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  245.869073]  dump_stack+0x1c4/0x2b4
[  245.871625] Node 0 
[  245.899466]  ? dump_stack_print_info.cold.2+0x52/0x52
[  245.903083] 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
[  245.905292]  warn_alloc.cold.119+0xb7/0x1bd
[  245.910440] lowmem_reserve[]: 0
[  245.935934]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  245.940235]  2819
[  245.943519]  ? lock_downgrade+0x900/0x900
[  245.948326]  6323
[  245.950377]  ? trace_hardirqs_off+0xb8/0x310
[  245.954492]  6323
[  245.956538]  ? trace_hardirqs_off+0xb8/0x310
[  245.962969]  __alloc_pages_slowpath+0x2667/0x2d80
[  245.967351] Node 0 DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  245.972196]  ? warn_alloc+0x120/0x120
[  245.972211]  ? warn_alloc+0x120/0x120
[  245.999952] lowmem_reserve[]:
[  246.003754]  ? warn_alloc+0x120/0x120
[  246.007519]  0
[  246.010771]  ? mark_held_locks+0x130/0x130
[  246.014537]  0 3503
[  246.016329]  ? mark_held_locks+0x130/0x130
[  246.020532]  3503
[  246.022755]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.029003]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.034507] Node 0 
[  246.040025]  ? should_fail+0x22d/0xd01
[  246.040057] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  246.042258]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  246.046111] lowmem_reserve[]: 0
[  246.074941]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.080007]  0
[  246.083272]  ? should_fail+0x22d/0xd01
[  246.088776]  0
[  246.090562]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  246.094418]  0
[  246.096207]  ? should_fail+0x22d/0xd01
[  246.103065]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  246.106921] Node 0 DMA: 
[  246.112305]  ? mark_held_locks+0x130/0x130
[  246.112319]  ? mark_held_locks+0x130/0x130
[  246.114967] 1*4kB 
[  246.119189]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.123389] (U) 
[  246.125526]  ? trace_hardirqs_off+0xb8/0x310
[  246.131029] 0*8kB 
[  246.132990]  ? kasan_check_read+0x11/0x20
[  246.137369] 0*16kB 
[  246.139504]  ? do_raw_spin_unlock+0xa7/0x2f0
[  246.143615] 1*32kB 
[  246.145831]  ? trace_hardirqs_on+0x310/0x310
[  246.150204] (U) 
[  246.152431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.156807] 2*64kB 
[  246.158764]  ? wq_watchdog_touch+0x9c/0xfe
[  246.164267] (U) 
[  246.166488]  ? io_serial_in+0x11/0x90
[  246.170687] 1*128kB 
[  246.172644]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.176408] (U) 
[  246.178720]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  246.184222] 1*256kB (U) 
[  246.186643]  __alloc_pages_nodemask+0xa80/0xde0
[  246.191719] 0*512kB 
[  246.194375]  ? should_fail+0x22d/0xd01
[  246.199018] 1*1024kB 
[  246.201330]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  246.205182] (U) 
[  246.208074]  ? ____cache_alloc_node+0x1c7/0x1e0
[  246.213048] 1*2048kB 
[  246.215007]  ? lock_downgrade+0x900/0x900
[  246.219640] (M) 
[  246.222036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.226150] 3*4096kB 
[  246.228121]  cache_grow_begin+0x91/0x8c0
[  246.233622] (M) 
[  246.236019]  ? do_raw_spin_unlock+0xa7/0x2f0
[  246.240049] = 15908kB
[  246.242014]  fallback_alloc+0x203/0x2e0
[  246.246387] Node 0 
[  246.248782]  ____cache_alloc_node+0x1c7/0x1e0
[  246.252734] DMA32: 
[  246.254960]  kmem_cache_alloc_node+0xe3/0x730
[  246.259422] 6*4kB 
[  246.262925]  ? ipv6_get_ifaddr+0x42e/0x620
[  246.267411] (UME) 
[  246.269553]  __alloc_skb+0x119/0x770
[  246.273753] 2*8kB (UE) 
[  246.276397]  ? skb_scrub_packet+0x490/0x490
[  246.280401] 4*16kB 
[  246.283445]  ? lock_downgrade+0x900/0x900
[  246.287727] (UME) 
[  246.289954]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.294068] 4*32kB 
[  246.296205]  ? refcount_sub_and_test_checked+0x203/0x310
[  246.301707] (UME) 
[  246.304178]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  246.309590] 5*64kB (ME) 
[  246.311736]  ? addrconf_rs_timer+0x690/0x690
[  246.317153] 5*128kB 
[  246.319811]  ndisc_alloc_skb+0x144/0x340
[  246.324186] (UME) 
[  246.326495]  ndisc_send_rs+0x331/0x6e0
[  246.330528] 4*256kB (ME) 
[  246.332671]  addrconf_rs_timer+0x314/0x690
[  246.336527] 5*512kB 
[  246.339268]  ? lock_release+0x970/0x970
[  246.343471] (UME) 
[  246.345781]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  246.349728] 4*1024kB 
[  246.351863]  call_timer_fn+0x272/0x920
[  246.356061] (UME) 
[  246.358463]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  246.362316] 2*2048kB 
[  246.364451]  ? process_timeout+0x40/0x40
[  246.368652] (ME) 
[  246.371047]  ? kasan_check_read+0x11/0x20
[  246.375076] 3*4096kB 
[  246.377126]  ? do_raw_spin_unlock+0xa7/0x2f0
[  246.381238] (M) 
[  246.383632]  ? trace_hardirqs_on+0x310/0x310
[  246.388006] = 25256kB
[  246.389965]  ? __run_timers+0x7da/0xc70
[  246.394351] Node 0 
[  246.396746]  ? lock_downgrade+0x900/0x900
[  246.400689] Normal: 
[  246.403135]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  246.407253] 1063*4kB 
[  246.409560]  ? trace_hardirqs_on+0xbd/0x310
[  246.414629] (UMEH) 
[  246.417020]  ? kasan_check_read+0x11/0x20
[  246.421312] 420*8kB 
[  246.423532]  ? __run_timers+0x7da/0xc70
[  246.427655] (UME) 
[  246.429963]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  246.433907] 170*16kB (UMEH) 
[  246.436047]  ? kasan_check_write+0x14/0x20
[  246.441465] 65*32kB 
[  246.444465]  ? do_raw_spin_lock+0xc1/0x200
[  246.448664] (UME) 
[  246.450971]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  246.455319] 9*64kB (UM) 
[  246.457463]  __run_timers+0x7e5/0xc70
[  246.461666] 0*128kB 
[  246.464326]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  246.468091] 0*256kB 
[  246.470397]  ? compat_start_thread+0x80/0x80
[  246.475723] 0*512kB 1*1024kB 
[  246.478046]  ? dequeue_entity+0x1770/0x1770
[  246.482763] (H) 
[  246.487934]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.487949]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.492239] 0*2048kB 
[  246.494202]  ? kasan_check_write+0x14/0x20
[  246.499710] 0*4096kB 
[  246.505229]  ? finish_task_switch+0x2f5/0x900
[  246.507609] = 14012kB
[  246.511828]  ? __switch_to_asm+0x40/0x70
[  246.514216] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  246.518688]  ? preempt_notifier_register+0x200/0x200
[  246.521072] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  246.525110]  ? __switch_to_asm+0x34/0x70
[  246.533920] 4986 total pagecache pages
[  246.538999]  ? __switch_to_asm+0x40/0x70
[  246.547553] 0 pages in swap cache
[  246.551593]  ? __switch_to_asm+0x34/0x70
[  246.555452] Swap cache stats: add 0, delete 0, find 0/0
[  246.559497]  ? __switch_to_asm+0x40/0x70
[  246.562934] Free swap  = 0kB
[  246.566976]  ? __switch_to_asm+0x34/0x70
[  246.572310] Total swap = 0kB
[  246.576348]  ? __switch_to_asm+0x40/0x70
[  246.579332] 1965979 pages RAM
[  246.583429]  ? pvclock_read_flags+0x160/0x160
[  246.586410] 0 pages HighMem/MovableOnly
[  246.590456]  ? __schedule+0x874/0x1ed0
[  246.593528] 342307 pages reserved
[  246.598022]  ? run_rebalance_domains+0x38d/0x500
[  246.601967] 0 pages cma reserved
[  246.605837]  ? trace_hardirqs_on+0xbd/0x310
[  246.609314] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  246.613992]  ? kvm_sched_clock_read+0x9/0x20
[  246.614005]  ? run_ksoftirqd+0x94/0x100
[  246.614021]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.617392] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  246.621661]  ? check_preemption_disabled+0x48/0x200
[  246.628117] syz-executor4 cpuset=
[  246.632978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.636990] syz4 mems_allowed=0
[  246.670941]  run_timer_softirq+0x52/0xb0
[  246.674998]  ? __this_cpu_preempt_check+0x1c/0x1f
[  246.680316]  __do_softirq+0x30b/0xad8
[  246.684110]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  246.689205]  ? trace_hardirqs_off+0xb8/0x310
[  246.693608]  ? schedule+0x108/0x460
[  246.697225]  ? __schedule+0x1ed0/0x1ed0
[  246.701189]  ? run_ksoftirqd+0x99/0x100
[  246.705153]  ? trace_hardirqs_off+0xb8/0x310
[  246.709555]  ? ___might_sleep+0x1ed/0x300
[  246.713692]  ? smpboot_thread_fn+0x68b/0xa00
[  246.718092]  ? trace_hardirqs_on+0x310/0x310
[  246.722492]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.728022]  ? check_preemption_disabled+0x48/0x200
[  246.733027]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.738555]  ? takeover_tasklets+0xa90/0xa90
[  246.742953]  run_ksoftirqd+0x94/0x100
[  246.746742]  smpboot_thread_fn+0x68b/0xa00
[  246.750968]  ? sort_range+0x30/0x30
[  246.754582]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  246.759673]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.765709]  ? __kthread_parkme+0xfb/0x1a0
[  246.772180]  kthread+0x35a/0x420
[  246.775537]  ? sort_range+0x30/0x30
[  246.779155]  ? kthread_bind+0x40/0x40
[  246.783461]  ret_from_fork+0x3a/0x50
[  246.787178] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  246.787228] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  246.794443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  246.794447] Call Trace:
[  246.794451]  <IRQ>
[  246.794467]  dump_stack+0x1c4/0x2b4
[  246.794495]  ? dump_stack_print_info.cold.2+0x52/0x52
[  246.801006] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  246.810301]  warn_alloc.cold.119+0xb7/0x1bd
[  246.812873] ksoftirqd/1 cpuset=
[  246.815006]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  246.818598] /
[  246.823769]  ? lock_downgrade+0x900/0x900
[  246.834072]  mems_allowed=0
[  246.838378]  ? trace_hardirqs_off+0xb8/0x310
[  246.859569]  ? trace_hardirqs_off+0xb8/0x310
[  246.863977]  __alloc_pages_slowpath+0x2667/0x2d80
[  246.868821]  ? warn_alloc+0x120/0x120
[  246.872612]  ? warn_alloc+0x120/0x120
[  246.876404]  ? warn_alloc+0x120/0x120
[  246.880494]  ? mark_held_locks+0x130/0x130
[  246.884726]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.890285]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.895809]  ? should_fail+0x22d/0xd01
[  246.899793]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  246.904892]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.910602]  ? should_fail+0x22d/0xd01
[  246.914481]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  246.919574]  ? should_fail+0x22d/0xd01
[  246.923455]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  246.928561]  ? mark_held_locks+0x130/0x130
[  246.932786]  ? mark_held_locks+0x130/0x130
[  246.937013]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.942543]  ? trace_hardirqs_off+0xb8/0x310
[  246.946941]  ? kasan_check_read+0x11/0x20
[  246.951080]  ? do_raw_spin_unlock+0xa7/0x2f0
[  246.955478]  ? trace_hardirqs_on+0x310/0x310
[  246.959890]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.965419]  ? wq_watchdog_touch+0x9c/0xfe
[  246.969642]  ? io_serial_in+0x11/0x90
[  246.973431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.978960]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  246.984056]  __alloc_pages_nodemask+0xa80/0xde0
[  246.988727]  ? should_fail+0x22d/0xd01
[  246.994475]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  246.999494]  ? ____cache_alloc_node+0x1c7/0x1e0
[  247.004170]  ? lock_downgrade+0x900/0x900
[  247.008311]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.013839]  cache_grow_begin+0x91/0x8c0
[  247.017903]  ? do_raw_spin_unlock+0xa7/0x2f0
[  247.022309]  fallback_alloc+0x203/0x2e0
[  247.026278]  ____cache_alloc_node+0x1c7/0x1e0
[  247.030765]  kmem_cache_alloc_node+0xe3/0x730
[  247.035253]  ? ipv6_get_ifaddr+0x42e/0x620
[  247.039483]  __alloc_skb+0x119/0x770
[  247.043192]  ? skb_scrub_packet+0x490/0x490
[  247.047502]  ? lock_downgrade+0x900/0x900
[  247.051651]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.057179]  ? refcount_sub_and_test_checked+0x203/0x310
[  247.062620]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  247.068064]  ? addrconf_rs_timer+0x690/0x690
[  247.072474]  ndisc_alloc_skb+0x144/0x340
[  247.076545]  ndisc_send_rs+0x331/0x6e0
[  247.080429]  addrconf_rs_timer+0x314/0x690
[  247.084664]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.088901]  call_timer_fn+0x272/0x920
[  247.092781]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.097006]  ? process_timeout+0x40/0x40
[  247.101060]  ? trace_hardirqs_off+0xb8/0x310
[  247.105454]  ? kasan_check_read+0x11/0x20
[  247.109594]  ? do_raw_spin_unlock+0xa7/0x2f0
[  247.113990]  ? trace_hardirqs_on+0x310/0x310
[  247.118393]  ? __run_timers+0x7da/0xc70
[  247.122375]  ? lock_downgrade+0x900/0x900
[  247.126519]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  247.131613]  ? trace_hardirqs_on+0xbd/0x310
[  247.135925]  ? kasan_check_read+0x11/0x20
[  247.140063]  ? __run_timers+0x7da/0xc70
[  247.144026]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  247.149466]  ? kasan_check_write+0x14/0x20
[  247.153693]  ? do_raw_spin_lock+0xc1/0x200
[  247.157925]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.162148]  __run_timers+0x7e5/0xc70
[  247.165956]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  247.171320]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  247.176328]  ? timerqueue_add+0x207/0x2b0
[  247.180470]  ? enqueue_hrtimer+0x1a5/0x560
[  247.184697]  ? lock_release+0x970/0x970
[  247.188659]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  247.193848]  ? kasan_check_write+0x14/0x20
[  247.198082]  ? pvclock_read_flags+0x160/0x160
[  247.202565]  ? lock_downgrade+0x900/0x900
[  247.206721]  ? trace_hardirqs_on+0xbd/0x310
[  247.211034]  ? kvm_sched_clock_read+0x9/0x20
[  247.215433]  ? irq_exit+0x17f/0x1c0
[  247.219050]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.224580]  ? check_preemption_disabled+0x48/0x200
[  247.229584]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.235113]  run_timer_softirq+0x52/0xb0
[  247.239164]  ? __this_cpu_preempt_check+0x1c/0x1f
[  247.244002]  __do_softirq+0x30b/0xad8
[  247.247799]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  247.252895]  ? pvclock_read_flags+0x160/0x160
[  247.257380]  ? lapic_next_event+0x5a/0x90
[  247.261540]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.267066]  ? clockevents_program_event+0x140/0x370
[  247.272273]  ? kvm_clock_read+0x18/0x30
[  247.276234]  ? kvm_sched_clock_read+0x9/0x20
[  247.280633]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.286160]  ? check_preemption_disabled+0x48/0x200
[  247.291168]  irq_exit+0x17f/0x1c0
[  247.294611]  smp_apic_timer_interrupt+0x1cb/0x760
[  247.299449]  ? smp_reschedule_interrupt+0x109/0x650
[  247.304458]  ? smp_call_function_single_interrupt+0x650/0x650
[  247.310331]  ? interrupt_entry+0xb5/0xf0
[  247.314386]  ? trace_hardirqs_off_caller+0xbb/0x310
[  247.319393]  ? trace_hardirqs_off_caller+0xbb/0x310
[  247.324401]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  247.329234]  ? trace_hardirqs_on_caller+0x310/0x310
[  247.334250]  ? trace_hardirqs_on_caller+0x310/0x310
[  247.339253]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.344777]  ? check_preemption_disabled+0x48/0x200
[  247.349785]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  247.354619]  apic_timer_interrupt+0xf/0x20
[  247.358851]  </IRQ>
[  247.361083] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  247.366006] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  247.385008] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  247.392710] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  247.399976] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  247.407232] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  247.414493] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  247.421749] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  247.429011]  ? trace_hardirqs_on+0xb4/0x310
[  247.433423]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.439009]  skb_clone+0x1bb/0x500
[  247.442538]  ? finish_task_switch+0x2f5/0x900
[  247.447025]  ? skb_split+0x11e0/0x11e0
[  247.450903]  ? preempt_notifier_register+0x200/0x200
[  247.456819]  ? __switch_to_asm+0x34/0x70
[  247.460886]  ? __switch_to_asm+0x34/0x70
[  247.464938]  ? __switch_to_asm+0x40/0x70
[  247.468988]  ? __switch_to_asm+0x34/0x70
[  247.473520]  ? __switch_to_asm+0x40/0x70
[  247.477570]  ? __switch_to_asm+0x34/0x70
[  247.481622]  ? __switch_to_asm+0x40/0x70
[  247.485672]  ? __switch_to_asm+0x34/0x70
[  247.489727]  ? __switch_to_asm+0x34/0x70
[  247.493787]  ? __switch_to_asm+0x40/0x70
[  247.497847]  ? __switch_to_asm+0x34/0x70
[  247.501906]  bpf_clone_redirect+0xb9/0x490
[  247.506132]  ? __schedule+0x874/0x1ed0
[  247.510012]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  247.514935]  ? __sched_text_start+0x8/0x8
[  247.519078]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  247.523840]  ? retint_kernel+0x2d/0x2d
[  247.527730]  ? lock_acquire+0x1ed/0x520
[  247.531691]  ? bpf_test_run+0x32e/0x5a0
[  247.535656]  ? lock_release+0x970/0x970
[  247.539621]  ? preempt_schedule+0x4d/0x60
[  247.543759]  ? preempt_schedule_common+0x1f/0xd0
[  247.548507]  ? preempt_schedule+0x4d/0x60
[  247.552643]  ? ___preempt_schedule+0x16/0x18
[  247.557044]  ? bpf_test_run+0x1c0/0x5a0
[  247.561009]  ? netlink_diag_dump+0x2a0/0x2a0
[  247.565409]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.570930]  ? bpf_test_init.isra.9+0x70/0x100
[  247.575503]  ? bpf_prog_test_run_skb+0x634/0xb40
[  247.580249]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  247.585080]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  247.590601]  ? fput+0x130/0x1a0
[  247.593870]  ? __bpf_prog_get+0x9b/0x290
[  247.597918]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  247.602746]  ? bpf_prog_test_run+0x130/0x1a0
[  247.607143]  ? __x64_sys_bpf+0x3d8/0x510
[  247.611192]  ? bpf_prog_get+0x20/0x20
[  247.614990]  ? do_syscall_64+0x1b9/0x820
[  247.619040]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  247.624392]  ? syscall_return_slowpath+0x5e0/0x5e0
[  247.629310]  ? trace_hardirqs_on_caller+0x310/0x310
[  247.634314]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  247.639324]  ? recalc_sigpending_tsk+0x180/0x180
[  247.644065]  ? kasan_check_write+0x14/0x20
[  247.648292]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  247.653128]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  247.658485] warn_alloc_show_mem: 1 callbacks suppressed
[  247.658494] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  247.658496] Mem-Info:
[  247.658525] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  247.658525]  active_file:16 inactive_file:17 isolated_file:0
[  247.658525]  unevictable:0 dirty:0 writeback:0 unstable:0
[  247.658525]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  247.658525]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  247.658525]  free:13792 free_pcp:309 free_cma:0
[  247.663853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  247.663859] Call Trace:
[  247.670694] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  247.673104]  dump_stack+0x1c4/0x2b4
[  247.706139] Node 0 
[  247.715485]  ? dump_stack_print_info.cold.2+0x52/0x52
[  247.718062] 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
[  247.746956]  warn_alloc.cold.119+0xb7/0x1bd
[  247.750548] lowmem_reserve[]:
[  247.752770]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  247.757928]  0
[  247.783416]  ? lock_downgrade+0x900/0x900
[  247.787703]  2819
[  247.790804]  ? trace_hardirqs_off+0xb8/0x310
[  247.795617]  6323
[  247.797407]  ? trace_hardirqs_off+0xb8/0x310
[  247.801676]  6323
[  247.804630]  __alloc_pages_slowpath+0x2667/0x2d80
[  247.811085]  ? warn_alloc+0x120/0x120
[  247.815452] Node 0 
[  247.817510]  ? warn_alloc+0x120/0x120
[  247.822338] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  247.826104]  ? warn_alloc+0x120/0x120
[  247.828309] lowmem_reserve[]: 0
[  247.832104]  ? mark_held_locks+0x130/0x130
[  247.859043]  0 3503
[  247.862839]  ? mark_held_locks+0x130/0x130
[  247.866084]  3503
[  247.870800]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.877231]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.879264] Node 0 
[  247.884794]  ? should_fail+0x22d/0xd01
[  247.890332] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  247.892532]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  247.896382] lowmem_reserve[]: 0
[  247.925294]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.925311]  ? should_fail+0x22d/0xd01
[  247.930384]  0
[  247.933646]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  247.939152]  0
[  247.943025]  ? should_fail+0x22d/0xd01
[  247.944795]  0
[  247.949896]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  247.955536]  ? mark_held_locks+0x130/0x130
[  247.957304] Node 0 DMA: 
[  247.962399]  ? mark_held_locks+0x130/0x130
[  247.966606] 1*4kB 
[  247.969417]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.973619] (U) 
[  247.975766]  ? trace_hardirqs_off+0xb8/0x310
[  247.981288] 0*8kB 
[  247.983251]  ? kasan_check_read+0x11/0x20
[  247.987628] 0*16kB 
[  247.989762]  ? do_raw_spin_unlock+0xa7/0x2f0
[  247.993879] 1*32kB (U) 
[  247.996107]  ? trace_hardirqs_on+0x310/0x310
[  248.000483] 2*64kB 
[  248.003050]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.007437] (U) 
[  248.009661]  ? wq_watchdog_touch+0x9c/0xfe
[  248.015277] 1*128kB (U) 
[  248.017249]  ? io_serial_in+0x11/0x90
[  248.021449] 1*256kB 
[  248.024102]  ? retint_kernel+0x2d/0x2d
[  248.027879] (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  248.027912] Node 0 DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB
[  248.027970] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB
[  248.028034] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  248.028040] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  248.028043] 4986 total pagecache pages
[  248.028047] 0 pages in swap cache
[  248.028052] Swap cache stats: add 0, delete 0, find 0/0
[  248.028054] Free swap  = 0kB
[  248.028057] Total swap = 0kB
[  248.028060] 1965979 pages RAM
[  248.028063] 0 pages HighMem/MovableOnly
[  248.028065] 342307 pages reserved
[  248.028068] 0 pages cma reserved
[  248.028125] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  248.028162] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  248.028165] syz-executor4 cpuset=syz4 mems_allowed=0
[  248.146884]  ? trace_hardirqs_on_caller+0xc0/0x310
[  248.151806]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  248.156550]  ? trace_hardirqs_off+0x310/0x310
[  248.161036]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  248.166136]  __alloc_pages_nodemask+0xa80/0xde0
[  248.170801]  ? should_fail+0x22d/0xd01
[  248.174683]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  248.179706]  ? ____cache_alloc_node+0x1c7/0x1e0
[  248.184365]  ? lock_downgrade+0x900/0x900
[  248.188515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.194042]  cache_grow_begin+0x91/0x8c0
[  248.198094]  ? do_raw_spin_unlock+0xa7/0x2f0
[  248.202494]  fallback_alloc+0x203/0x2e0
[  248.206469]  ____cache_alloc_node+0x1c7/0x1e0
[  248.210960]  kmem_cache_alloc_node+0xe3/0x730
[  248.215449]  ? ipv6_get_ifaddr+0x42e/0x620
[  248.219681]  __alloc_skb+0x119/0x770
[  248.223384]  ? skb_scrub_packet+0x490/0x490
[  248.227693]  ? lock_downgrade+0x900/0x900
[  248.231835]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.237363]  ? refcount_sub_and_test_checked+0x203/0x310
[  248.242806]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  248.248248]  ? addrconf_rs_timer+0x690/0x690
[  248.252658]  ndisc_alloc_skb+0x144/0x340
[  248.256716]  ndisc_send_rs+0x331/0x6e0
[  248.260610]  addrconf_rs_timer+0x314/0x690
[  248.264832]  ? lock_release+0x970/0x970
[  248.268807]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.273044]  call_timer_fn+0x272/0x920
[  248.276919]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.281652]  ? process_timeout+0x40/0x40
[  248.286181]  ? kasan_check_read+0x11/0x20
[  248.290321]  ? do_raw_spin_unlock+0xa7/0x2f0
[  248.294721]  ? trace_hardirqs_on+0x310/0x310
[  248.299128]  ? __run_timers+0x7da/0xc70
[  248.303090]  ? lock_downgrade+0x900/0x900
[  248.307235]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  248.312329]  ? trace_hardirqs_on+0xbd/0x310
[  248.316638]  ? kasan_check_read+0x11/0x20
[  248.321271]  ? __run_timers+0x7da/0xc70
[  248.325243]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  248.330924]  ? kasan_check_write+0x14/0x20
[  248.335149]  ? do_raw_spin_lock+0xc1/0x200
[  248.339381]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.344308]  __run_timers+0x7e5/0xc70
[  248.350765]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  248.356146]  ? compat_start_thread+0x80/0x80
[  248.360543]  ? dequeue_entity+0x1770/0x1770
[  248.364857]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.370387]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.375913]  ? kasan_check_write+0x14/0x20
[  248.380138]  ? finish_task_switch+0x2f5/0x900
[  248.384626]  ? __switch_to_asm+0x40/0x70
[  248.388675]  ? preempt_notifier_register+0x200/0x200
[  248.393772]  ? __switch_to_asm+0x34/0x70
[  248.397822]  ? __switch_to_asm+0x40/0x70
[  248.401868]  ? __switch_to_asm+0x34/0x70
[  248.405917]  ? __switch_to_asm+0x40/0x70
[  248.409965]  ? __switch_to_asm+0x34/0x70
[  248.414013]  ? __switch_to_asm+0x40/0x70
[  248.418065]  ? pvclock_read_flags+0x160/0x160
[  248.423036]  ? __schedule+0x874/0x1ed0
[  248.426912]  ? run_rebalance_domains+0x38d/0x500
[  248.431661]  ? trace_hardirqs_on+0xbd/0x310
[  248.435975]  ? kvm_sched_clock_read+0x9/0x20
[  248.440375]  ? run_ksoftirqd+0x94/0x100
[  248.444342]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.449870]  ? check_preemption_disabled+0x48/0x200
[  248.460397]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.465930]  run_timer_softirq+0x52/0xb0
[  248.469984]  ? __this_cpu_preempt_check+0x1c/0x1f
[  248.474819]  __do_softirq+0x30b/0xad8
[  248.478625]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  248.484208]  ? trace_hardirqs_off+0xb8/0x310
[  248.488619]  ? schedule+0x108/0x460
[  248.492240]  ? __schedule+0x1ed0/0x1ed0
[  248.496207]  ? run_ksoftirqd+0x99/0x100
[  248.500171]  ? trace_hardirqs_off+0xb8/0x310
[  248.504571]  ? ___might_sleep+0x1ed/0x300
[  248.508711]  ? smpboot_thread_fn+0x68b/0xa00
[  248.517553]  ? trace_hardirqs_on+0x310/0x310
[  248.521956]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.527945]  ? check_preemption_disabled+0x48/0x200
[  248.532951]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.538482]  ? takeover_tasklets+0xa90/0xa90
[  248.542880]  run_ksoftirqd+0x94/0x100
[  248.546672]  smpboot_thread_fn+0x68b/0xa00
[  248.550899]  ? sort_range+0x30/0x30
[  248.554514]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  248.559605]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.565130]  ? __kthread_parkme+0xfb/0x1a0
[  248.569356]  kthread+0x35a/0x420
[  248.572797]  ? sort_range+0x30/0x30
[  248.576414]  ? kthread_bind+0x40/0x40
[  248.580203]  ret_from_fork+0x3a/0x50
[  248.583917] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  248.583967] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  248.591183] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  248.591186] Call Trace:
[  248.591191]  <IRQ>
[  248.591205]  dump_stack+0x1c4/0x2b4
[  248.591222]  ? dump_stack_print_info.cold.2+0x52/0x52
[  248.597738] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  248.607028]  warn_alloc.cold.119+0xb7/0x1bd
[  248.609577] ksoftirqd/1 cpuset=
[  248.611721]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  248.615315] /
[  248.620486]  ? lock_downgrade+0x900/0x900
[  248.630778]  mems_allowed=0
[  248.635085]  ? trace_hardirqs_off+0xb8/0x310
[  248.656274]  ? trace_hardirqs_off+0xb8/0x310
[  248.660680]  __alloc_pages_slowpath+0x2667/0x2d80
[  248.665530]  ? warn_alloc+0x120/0x120
[  248.669324]  ? warn_alloc+0x120/0x120
[  248.673115]  ? warn_alloc+0x120/0x120
[  248.676907]  ? lock_release+0x970/0x970
[  248.680871]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  248.686049]  ? trace_hardirqs_on+0x310/0x310
[  248.690460]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.695988]  ? should_fail+0x22d/0xd01
[  248.699871]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  248.704961]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.710485]  ? should_fail+0x22d/0xd01
[  248.714362]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  248.719452]  ? should_fail+0x22d/0xd01
[  248.723687]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  248.728832]  ? mark_held_locks+0x130/0x130
[  248.733057]  ? mark_held_locks+0x130/0x130
[  248.737297]  ? kvm_clock_read+0x18/0x30
[  248.741261]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  248.746263]  ? ktime_get+0x2e1/0x440
[  248.749980]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.755506]  ? check_preemption_disabled+0x48/0x200
[  248.760516]  ? kasan_check_read+0x11/0x20
[  248.764658]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  248.769922]  ? rcu_bh_qs+0xc0/0xc0
[  248.773456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.778985]  ? check_preemption_disabled+0x48/0x200
[  248.783992]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  248.788997]  ? widen_string+0xe0/0x2e0
[  248.792880]  __alloc_pages_nodemask+0xa80/0xde0
[  248.797539]  ? should_fail+0x22d/0xd01
[  248.801424]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  248.806440]  ? ____cache_alloc_node+0x1c7/0x1e0
[  248.811103]  ? lock_downgrade+0x900/0x900
[  248.815258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.820789]  cache_grow_begin+0x91/0x8c0
[  248.824843]  ? do_raw_spin_unlock+0xa7/0x2f0
[  248.829248]  fallback_alloc+0x203/0x2e0
[  248.833216]  ____cache_alloc_node+0x1c7/0x1e0
[  248.837713]  kmem_cache_alloc_node+0xe3/0x730
[  248.842203]  ? ipv6_get_ifaddr+0x42e/0x620
[  248.846430]  __alloc_skb+0x119/0x770
[  248.850135]  ? skb_scrub_packet+0x490/0x490
[  248.854444]  ? lock_downgrade+0x900/0x900
[  248.858585]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.864113]  ? refcount_sub_and_test_checked+0x203/0x310
[  248.869571]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  248.875011]  ? addrconf_rs_timer+0x690/0x690
[  248.879414]  ndisc_alloc_skb+0x144/0x340
[  248.883470]  ndisc_send_rs+0x331/0x6e0
[  248.887351]  addrconf_rs_timer+0x314/0x690
[  248.891778]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.896048]  call_timer_fn+0x272/0x920
[  248.899934]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.904175]  ? process_timeout+0x40/0x40
[  248.908230]  ? trace_hardirqs_off+0xb8/0x310
[  248.912625]  ? kasan_check_read+0x11/0x20
[  248.916768]  ? do_raw_spin_unlock+0xa7/0x2f0
[  248.921167]  ? trace_hardirqs_on+0x310/0x310
[  248.925568]  ? __run_timers+0x7da/0xc70
[  248.929531]  ? lock_downgrade+0x900/0x900
[  248.933670]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  248.938809]  ? trace_hardirqs_on+0xbd/0x310
[  248.943116]  ? kasan_check_read+0x11/0x20
[  248.947252]  ? __run_timers+0x7da/0xc70
[  248.951221]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  248.956667]  ? kasan_check_write+0x14/0x20
[  248.960899]  ? do_raw_spin_lock+0xc1/0x200
[  248.965126]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.969349]  __run_timers+0x7e5/0xc70
[  248.973148]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  248.978503]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  248.983512]  ? timerqueue_add+0x207/0x2b0
[  248.987652]  ? enqueue_hrtimer+0x1a5/0x560
[  248.991876]  ? lock_release+0x970/0x970
[  248.995839]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  249.001031]  ? kasan_check_write+0x14/0x20
[  249.005364]  ? pvclock_read_flags+0x160/0x160
[  249.009847]  ? lock_downgrade+0x900/0x900
[  249.013991]  ? trace_hardirqs_on+0xbd/0x310
[  249.018300]  ? kvm_sched_clock_read+0x9/0x20
[  249.022701]  ? irq_exit+0x17f/0x1c0
[  249.026329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.031861]  ? check_preemption_disabled+0x48/0x200
[  249.036870]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.042401]  run_timer_softirq+0x52/0xb0
[  249.046454]  ? __this_cpu_preempt_check+0x1c/0x1f
[  249.051292]  __do_softirq+0x30b/0xad8
[  249.055090]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  249.060182]  ? pvclock_read_flags+0x160/0x160
[  249.064668]  ? lapic_next_event+0x5a/0x90
[  249.068816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.074346]  ? clockevents_program_event+0x140/0x370
[  249.079442]  ? kvm_clock_read+0x18/0x30
[  249.083405]  ? kvm_sched_clock_read+0x9/0x20
[  249.087805]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.093334]  ? check_preemption_disabled+0x48/0x200
[  249.098346]  irq_exit+0x17f/0x1c0
[  249.101792]  smp_apic_timer_interrupt+0x1cb/0x760
[  249.106623]  ? smp_reschedule_interrupt+0x109/0x650
[  249.112111]  ? smp_call_function_single_interrupt+0x650/0x650
[  249.117985]  ? interrupt_entry+0xb5/0xf0
[  249.122034]  ? trace_hardirqs_off_caller+0xbb/0x310
[  249.127038]  ? trace_hardirqs_off_caller+0xbb/0x310
[  249.132045]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  249.136875]  ? trace_hardirqs_on_caller+0x310/0x310
[  249.141882]  ? trace_hardirqs_on_caller+0x310/0x310
[  249.146888]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.152416]  ? check_preemption_disabled+0x48/0x200
[  249.157427]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  249.162264]  apic_timer_interrupt+0xf/0x20
[  249.166480]  </IRQ>
[  249.168712] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  249.173635] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  249.192527] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  249.200228] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  249.207486] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  249.214744] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  249.222000] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  249.229258] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  249.236633]  ? trace_hardirqs_on+0xb4/0x310
[  249.240959]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.246493]  skb_clone+0x1bb/0x500
[  249.250027]  ? finish_task_switch+0x2f5/0x900
[  249.254543]  ? skb_split+0x11e0/0x11e0
[  249.258423]  ? preempt_notifier_register+0x200/0x200
[  249.263533]  ? __switch_to_asm+0x34/0x70
[  249.267585]  ? __switch_to_asm+0x34/0x70
[  249.271633]  ? __switch_to_asm+0x40/0x70
[  249.275695]  ? __switch_to_asm+0x34/0x70
[  249.279743]  ? __switch_to_asm+0x40/0x70
[  249.283794]  ? __switch_to_asm+0x34/0x70
[  249.287841]  ? __switch_to_asm+0x40/0x70
[  249.291887]  ? __switch_to_asm+0x34/0x70
[  249.295934]  ? __switch_to_asm+0x34/0x70
[  249.299980]  ? __switch_to_asm+0x40/0x70
[  249.304030]  ? __switch_to_asm+0x34/0x70
[  249.308081]  bpf_clone_redirect+0xb9/0x490
[  249.312300]  ? __schedule+0x874/0x1ed0
[  249.316180]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  249.321098]  ? __sched_text_start+0x8/0x8
[  249.325238]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  249.329986]  ? retint_kernel+0x2d/0x2d
[  249.333883]  ? lock_acquire+0x1ed/0x520
[  249.337841]  ? bpf_test_run+0x32e/0x5a0
[  249.341807]  ? lock_release+0x970/0x970
[  249.345800]  ? preempt_schedule+0x4d/0x60
[  249.349936]  ? preempt_schedule_common+0x1f/0xd0
[  249.354687]  ? preempt_schedule+0x4d/0x60
[  249.358829]  ? ___preempt_schedule+0x16/0x18
[  249.363227]  ? bpf_test_run+0x1c0/0x5a0
[  249.367192]  ? netlink_diag_dump+0x2a0/0x2a0
[  249.371597]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.377123]  ? bpf_test_init.isra.9+0x70/0x100
[  249.381817]  ? bpf_prog_test_run_skb+0x634/0xb40
[  249.386567]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  249.391397]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  249.396920]  ? fput+0x130/0x1a0
[  249.400190]  ? __bpf_prog_get+0x9b/0x290
[  249.404247]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  249.409077]  ? bpf_prog_test_run+0x130/0x1a0
[  249.413473]  ? __x64_sys_bpf+0x3d8/0x510
[  249.417523]  ? bpf_prog_get+0x20/0x20
[  249.421322]  ? do_syscall_64+0x1b9/0x820
[  249.425372]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  249.430728]  ? syscall_return_slowpath+0x5e0/0x5e0
[  249.435657]  ? trace_hardirqs_on_caller+0x310/0x310
[  249.440698]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  249.445704]  ? recalc_sigpending_tsk+0x180/0x180
[  249.450449]  ? kasan_check_write+0x14/0x20
[  249.455145]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  249.459986]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  249.465344] warn_alloc_show_mem: 1 callbacks suppressed
[  249.465353] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  249.465355] Mem-Info:
[  249.465383] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  249.465383]  active_file:16 inactive_file:17 isolated_file:0
[  249.465383]  unevictable:0 dirty:0 writeback:0 unstable:0
[  249.465383]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  249.465383]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  249.465383]  free:13792 free_pcp:309 free_cma:0
[  249.471161] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  249.471172] Call Trace:
[  249.478006] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  249.480402]  dump_stack+0x1c4/0x2b4
[  249.516367] Node 0 
[  249.527404]  ? dump_stack_print_info.cold.2+0x52/0x52
[  249.529987] 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
[  249.558259]  warn_alloc.cold.119+0xb7/0x1bd
[  249.561850] lowmem_reserve[]:
[  249.564072]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  249.569226]  0
[  249.598174]  ? lock_downgrade+0x900/0x900
[  249.602459]  2819
[  249.605553]  ? trace_hardirqs_off+0xb8/0x310
[  249.610357]  6323 6323
[  249.612152]  ? trace_hardirqs_off+0xb8/0x310
[  249.616272] Node 0 
[  249.618320]  __alloc_pages_slowpath+0x2667/0x2d80
[  249.622717] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  249.625207]  ? warn_alloc+0x120/0x120
[  249.629571] lowmem_reserve[]:
[  249.631796]  ? warn_alloc+0x120/0x120
[  249.636607]  0 0
[  249.664052]  ? warn_alloc+0x120/0x120
[  249.667825]  3503
[  249.670913]  ? mark_held_locks+0x130/0x130
[  249.674677]  3503
[  249.676644]  ? mark_held_locks+0x130/0x130
[  249.682462]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.686677] Node 0 
[  249.688723]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.692948] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  249.698446]  ? should_fail+0x22d/0xd01
[  249.700654] lowmem_reserve[]:
[  249.706180]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  249.734519]  0 0
[  249.738404]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.741474]  0
[  249.747062]  ? should_fail+0x22d/0xd01
[  249.749000]  0
[  249.754526]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  249.756298] Node 0 
[  249.760168]  ? should_fail+0x22d/0xd01
[  249.761939] DMA: 
[  249.768213]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  249.770450] 1*4kB 
[  249.776177]  ? mark_held_locks+0x130/0x130
[  249.778218] (U) 
[  249.783309]  ? mark_held_locks+0x130/0x130
[  249.785426] 0*8kB 
[  249.789649]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.791597] 0*16kB 
[  249.795820]  ? trace_hardirqs_off+0xb8/0x310
[  249.797949] 1*32kB 
[  249.803466]  ? kasan_check_read+0x11/0x20
[  249.805673] (U) 
[  249.810087]  ? do_raw_spin_unlock+0xa7/0x2f0
[  249.812295] 2*64kB 
[  249.816422]  ? trace_hardirqs_on+0x310/0x310
[  249.818367] (U) 
[  249.822759]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.824963] 1*128kB 
[  249.829351]  ? wq_watchdog_touch+0x9c/0xfe
[  249.831295] (U) 
[  249.836817]  ? io_serial_in+0x11/0x90
[  249.839109] 1*256kB 
[  249.843325]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.845266] (U) 0*512kB 
[  249.849055]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  249.851346] 1*1024kB 
[  249.856866]  __alloc_pages_nodemask+0xa80/0xde0
[  249.859501] (U) 
[  249.864584]  ? should_fail+0x22d/0xd01
[  249.866965] 1*2048kB 
[  249.871624]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  249.873587] (M) 
[  249.877472]  ? ____cache_alloc_node+0x1c7/0x1e0
[  249.879844] 3*4096kB 
[  249.884843]  ? lock_downgrade+0x900/0x900
[  249.886784] (M) 
[  249.891436]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.893815] = 15908kB
[  249.897947]  cache_grow_begin+0x91/0x8c0
[  249.899890] Node 0 
[  249.905409]  ? do_raw_spin_unlock+0xa7/0x2f0
[  249.907785] DMA32: 
[  249.911843]  fallback_alloc+0x203/0x2e0
[  249.914044] 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB
[  249.914093] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB
[  249.914154] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  249.918553]  ____cache_alloc_node+0x1c7/0x1e0
[  249.920860] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  249.924822]  kmem_cache_alloc_node+0xe3/0x730
[  249.939700] 4986 total pagecache pages
[  249.954423]  ? ipv6_get_ifaddr+0x42e/0x620
[  249.963227] 0 pages in swap cache
[  249.967709]  __alloc_skb+0x119/0x770
[  249.976253] Swap cache stats: add 0, delete 0, find 0/0
[  249.980727]  ? skb_scrub_packet+0x490/0x490
[  249.984582] Free swap  = 0kB
[  249.988801]  ? lock_downgrade+0x900/0x900
[  249.992218] Total swap = 0kB
[  249.992225] 1965979 pages RAM
[  249.995925]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.001262] 0 pages HighMem/MovableOnly
[  250.005575]  ? refcount_sub_and_test_checked+0x203/0x310
[  250.008559] 342307 pages reserved
[  250.012697]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  250.015685] 0 pages cma reserved
[  250.018776]  ? addrconf_rs_timer+0x690/0x690
[  250.024324] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  250.028250]  ndisc_alloc_skb+0x144/0x340
[  250.033725] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  250.037101]  ndisc_send_rs+0x331/0x6e0
[  250.042536] syz-executor4 cpuset=
[  250.046684]  addrconf_rs_timer+0x314/0x690
[  250.051057] syz4
[  250.057531]  ? lock_release+0x970/0x970
[  250.061561]  mems_allowed=0
[  250.072029]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.096749]  call_timer_fn+0x272/0x920
[  250.101136]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.105361]  ? process_timeout+0x40/0x40
[  250.109414]  ? kasan_check_read+0x11/0x20
[  250.113936]  ? do_raw_spin_unlock+0xa7/0x2f0
[  250.118335]  ? trace_hardirqs_on+0x310/0x310
[  250.122740]  ? __run_timers+0x7da/0xc70
[  250.126707]  ? lock_downgrade+0x900/0x900
[  250.130849]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  250.136429]  ? trace_hardirqs_on+0xbd/0x310
[  250.140739]  ? kasan_check_read+0x11/0x20
[  250.144873]  ? __run_timers+0x7da/0xc70
[  250.148835]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  250.154272]  ? kasan_check_write+0x14/0x20
[  250.158494]  ? do_raw_spin_lock+0xc1/0x200
[  250.163318]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.167545]  __run_timers+0x7e5/0xc70
[  250.171443]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  250.176883]  ? compat_start_thread+0x80/0x80
[  250.181278]  ? dequeue_entity+0x1770/0x1770
[  250.185599]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.191610]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.197150]  ? kasan_check_write+0x14/0x20
[  250.201377]  ? finish_task_switch+0x2f5/0x900
[  250.205859]  ? __switch_to_asm+0x40/0x70
[  250.209910]  ? preempt_notifier_register+0x200/0x200
[  250.215004]  ? __switch_to_asm+0x34/0x70
[  250.219051]  ? __switch_to_asm+0x40/0x70
[  250.223097]  ? __switch_to_asm+0x34/0x70
[  250.227150]  ? __switch_to_asm+0x40/0x70
[  250.231201]  ? __switch_to_asm+0x34/0x70
[  250.235248]  ? __switch_to_asm+0x40/0x70
[  250.239303]  ? pvclock_read_flags+0x160/0x160
[  250.243785]  ? __schedule+0x874/0x1ed0
[  250.247660]  ? run_rebalance_domains+0x38d/0x500
[  250.252408]  ? trace_hardirqs_on+0xbd/0x310
[  250.256716]  ? kvm_sched_clock_read+0x9/0x20
[  250.261118]  ? run_ksoftirqd+0x94/0x100
[  250.265084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.270617]  ? check_preemption_disabled+0x48/0x200
[  250.275625]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.281658]  run_timer_softirq+0x52/0xb0
[  250.285711]  ? __this_cpu_preempt_check+0x1c/0x1f
[  250.290548]  __do_softirq+0x30b/0xad8
[  250.294349]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  250.299439]  ? trace_hardirqs_off+0xb8/0x310
[  250.305614]  ? schedule+0x108/0x460
[  250.309564]  ? __schedule+0x1ed0/0x1ed0
[  250.313538]  ? run_ksoftirqd+0x99/0x100
[  250.317505]  ? trace_hardirqs_off+0xb8/0x310
[  250.321906]  ? ___might_sleep+0x1ed/0x300
[  250.326041]  ? smpboot_thread_fn+0x68b/0xa00
[  250.330436]  ? trace_hardirqs_on+0x310/0x310
[  250.335834]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.341855]  ? check_preemption_disabled+0x48/0x200
[  250.346877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.352403]  ? takeover_tasklets+0xa90/0xa90
[  250.356804]  run_ksoftirqd+0x94/0x100
[  250.360597]  smpboot_thread_fn+0x68b/0xa00
[  250.364822]  ? sort_range+0x30/0x30
[  250.368922]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  250.374488]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.380014]  ? __kthread_parkme+0xfb/0x1a0
[  250.384238]  kthread+0x35a/0x420
[  250.387593]  ? sort_range+0x30/0x30
[  250.391206]  ? kthread_bind+0x40/0x40
[  250.395491]  ret_from_fork+0x3a/0x50
[  250.399203] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  250.399253] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  250.406464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  250.406468] Call Trace:
[  250.406473]  <IRQ>
[  250.406487]  dump_stack+0x1c4/0x2b4
[  250.406503]  ? dump_stack_print_info.cold.2+0x52/0x52
[  250.413018] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  250.422308]  warn_alloc.cold.119+0xb7/0x1bd
[  250.424856] ksoftirqd/1 cpuset=
[  250.426991]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  250.430586] /
[  250.435761]  ? lock_downgrade+0x900/0x900
[  250.446038]  mems_allowed=0
[  250.450340]  ? trace_hardirqs_off+0xb8/0x310
[  250.474318]  ? trace_hardirqs_off+0xb8/0x310
[  250.478722]  __alloc_pages_slowpath+0x2667/0x2d80
[  250.483998]  ? warn_alloc+0x120/0x120
[  250.487787]  ? trace_hardirqs_on+0x310/0x310
[  250.492207]  ? warn_alloc+0x120/0x120
[  250.496003]  ? warn_alloc+0x120/0x120
[  250.499791]  ? ktime_get+0x2e1/0x440
[  250.503513]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.509039]  ? check_preemption_disabled+0x48/0x200
[  250.514048]  ? kasan_check_read+0x11/0x20
[  250.518187]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.523714]  ? should_fail+0x22d/0xd01
[  250.527593]  ? rcu_bh_qs+0xc0/0xc0
[  250.531122]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  250.536218]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.541845]  ? should_fail+0x22d/0xd01
[  250.545725]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  250.550813]  ? should_fail+0x22d/0xd01
[  250.554688]  ? rcu_idle_enter+0x4b0/0x4b0
[  250.558826]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  250.563915]  ? mark_held_locks+0x130/0x130
[  250.568139]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.573670]  ? mark_held_locks+0x130/0x130
[  250.577894]  ? rcu_irq_exit+0xce/0x100
[  250.581769]  ? irq_exit+0xbd/0x1c0
[  250.585299]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  250.590302]  ? do_raw_spin_unlock+0xa7/0x2f0
[  250.594698]  ? smp_call_function_single_interrupt+0x650/0x650
[  250.600587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.606113]  ? ret_from_intr+0xb/0x1e
[  250.609902]  ? retint_kernel+0x2d/0x2d
[  250.613776]  ? trace_hardirqs_on_caller+0xc0/0x310
[  250.618711]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  250.623454]  ? trace_hardirqs_off+0x310/0x310
[  250.627938]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  250.633034]  __alloc_pages_nodemask+0xa80/0xde0
[  250.637690]  ? should_fail+0x22d/0xd01
[  250.641573]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  250.646589]  ? ____cache_alloc_node+0x1c7/0x1e0
[  250.651257]  ? lock_downgrade+0x900/0x900
[  250.655396]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.660925]  cache_grow_begin+0x91/0x8c0
[  250.664979]  ? do_raw_spin_unlock+0xa7/0x2f0
[  250.669383]  fallback_alloc+0x203/0x2e0
[  250.673347]  ____cache_alloc_node+0x1c7/0x1e0
[  250.677834]  kmem_cache_alloc_node+0xe3/0x730
[  250.682316]  ? ipv6_get_ifaddr+0x42e/0x620
[  250.686549]  __alloc_skb+0x119/0x770
[  250.690271]  ? skb_scrub_packet+0x490/0x490
[  250.694586]  ? lock_downgrade+0x900/0x900
[  250.698722]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.704247]  ? refcount_sub_and_test_checked+0x203/0x310
[  250.709686]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  250.715129]  ? addrconf_rs_timer+0x690/0x690
[  250.719533]  ndisc_alloc_skb+0x144/0x340
[  250.723598]  ndisc_send_rs+0x331/0x6e0
[  250.727479]  addrconf_rs_timer+0x314/0x690
[  250.731703]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.736067]  call_timer_fn+0x272/0x920
[  250.739987]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.744209]  ? process_timeout+0x40/0x40
[  250.748254]  ? trace_hardirqs_off+0xb8/0x310
[  250.752651]  ? kasan_check_read+0x11/0x20
[  250.756789]  ? do_raw_spin_unlock+0xa7/0x2f0
[  250.761202]  ? trace_hardirqs_on+0x310/0x310
[  250.765605]  ? __run_timers+0x7da/0xc70
[  250.769577]  ? lock_downgrade+0x900/0x900
[  250.773713]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  250.778801]  ? trace_hardirqs_on+0xbd/0x310
[  250.783109]  ? kasan_check_read+0x11/0x20
[  250.787244]  ? __run_timers+0x7da/0xc70
[  250.791205]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  250.796643]  ? kasan_check_write+0x14/0x20
[  250.800879]  ? do_raw_spin_lock+0xc1/0x200
[  250.805105]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.809328]  __run_timers+0x7e5/0xc70
[  250.813123]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  250.818475]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  250.823496]  ? timerqueue_add+0x207/0x2b0
[  250.827635]  ? enqueue_hrtimer+0x1a5/0x560
[  250.831853]  ? lock_release+0x970/0x970
[  250.835820]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  250.840998]  ? kasan_check_write+0x14/0x20
[  250.845226]  ? pvclock_read_flags+0x160/0x160
[  250.849709]  ? lock_downgrade+0x900/0x900
[  250.853848]  ? trace_hardirqs_on+0xbd/0x310
[  250.858161]  ? kvm_sched_clock_read+0x9/0x20
[  250.862563]  ? irq_exit+0x17f/0x1c0
[  250.866180]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.871705]  ? check_preemption_disabled+0x48/0x200
[  250.876708]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.882235]  run_timer_softirq+0x52/0xb0
[  250.886288]  ? __this_cpu_preempt_check+0x1c/0x1f
[  250.891140]  __do_softirq+0x30b/0xad8
[  250.894935]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  250.900051]  ? pvclock_read_flags+0x160/0x160
[  250.904537]  ? lapic_next_event+0x5a/0x90
[  250.908673]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.914198]  ? clockevents_program_event+0x140/0x370
[  250.919294]  ? kvm_clock_read+0x18/0x30
[  250.923260]  ? kvm_sched_clock_read+0x9/0x20
[  250.927668]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.933194]  ? check_preemption_disabled+0x48/0x200
[  250.938315]  irq_exit+0x17f/0x1c0
[  250.941765]  smp_apic_timer_interrupt+0x1cb/0x760
[  250.946618]  ? smp_reschedule_interrupt+0x109/0x650
[  250.951621]  ? smp_call_function_single_interrupt+0x650/0x650
[  250.957493]  ? interrupt_entry+0xb5/0xf0
[  250.961553]  ? trace_hardirqs_off_caller+0xbb/0x310
[  250.966565]  ? trace_hardirqs_off_caller+0xbb/0x310
[  250.971585]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  250.976416]  ? trace_hardirqs_on_caller+0x310/0x310
[  250.981418]  ? trace_hardirqs_on_caller+0x310/0x310
[  250.986425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.991953]  ? check_preemption_disabled+0x48/0x200
[  250.996962]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  251.001811]  apic_timer_interrupt+0xf/0x20
[  251.006027]  </IRQ>
[  251.008254] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  251.013172] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  251.032061] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  251.039757] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  251.047014] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  251.054270] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  251.061531] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  251.068791] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  251.076060]  ? trace_hardirqs_on+0xb4/0x310
[  251.080377]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.085902]  skb_clone+0x1bb/0x500
[  251.089428]  ? finish_task_switch+0x2f5/0x900
[  251.093906]  ? skb_split+0x11e0/0x11e0
[  251.097780]  ? preempt_notifier_register+0x200/0x200
[  251.102871]  ? __switch_to_asm+0x34/0x70
[  251.106923]  ? __switch_to_asm+0x34/0x70
[  251.110969]  ? __switch_to_asm+0x40/0x70
[  251.115033]  ? __switch_to_asm+0x34/0x70
[  251.119081]  ? __switch_to_asm+0x40/0x70
[  251.123146]  ? __switch_to_asm+0x34/0x70
[  251.127195]  ? __switch_to_asm+0x40/0x70
[  251.131239]  ? __switch_to_asm+0x34/0x70
[  251.135324]  ? __switch_to_asm+0x34/0x70
[  251.139372]  ? __switch_to_asm+0x40/0x70
[  251.143422]  ? __switch_to_asm+0x34/0x70
[  251.147476]  bpf_clone_redirect+0xb9/0x490
[  251.151704]  ? __schedule+0x874/0x1ed0
[  251.155606]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  251.160542]  ? __sched_text_start+0x8/0x8
[  251.164681]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  251.169426]  ? retint_kernel+0x2d/0x2d
[  251.173317]  ? lock_acquire+0x1ed/0x520
[  251.177279]  ? bpf_test_run+0x32e/0x5a0
[  251.181247]  ? lock_release+0x970/0x970
[  251.185209]  ? preempt_schedule+0x4d/0x60
[  251.189347]  ? preempt_schedule_common+0x1f/0xd0
[  251.194087]  ? preempt_schedule+0x4d/0x60
[  251.198222]  ? ___preempt_schedule+0x16/0x18
[  251.202620]  ? bpf_test_run+0x1c0/0x5a0
[  251.206591]  ? netlink_diag_dump+0x2a0/0x2a0
[  251.210989]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.216527]  ? bpf_test_init.isra.9+0x70/0x100
[  251.221097]  ? bpf_prog_test_run_skb+0x634/0xb40
[  251.225849]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  251.230686]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  251.236211]  ? fput+0x130/0x1a0
[  251.239481]  ? __bpf_prog_get+0x9b/0x290
[  251.243539]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  251.248368]  ? bpf_prog_test_run+0x130/0x1a0
[  251.252855]  ? __x64_sys_bpf+0x3d8/0x510
[  251.256903]  ? bpf_prog_get+0x20/0x20
[  251.260701]  ? do_syscall_64+0x1b9/0x820
[  251.264749]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  251.270143]  ? syscall_return_slowpath+0x5e0/0x5e0
[  251.275060]  ? trace_hardirqs_on_caller+0x310/0x310
[  251.280069]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  251.285084]  ? recalc_sigpending_tsk+0x180/0x180
[  251.289827]  ? kasan_check_write+0x14/0x20
[  251.294048]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  251.298899]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  251.304254] warn_alloc_show_mem: 1 callbacks suppressed
[  251.304263] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  251.304265] Mem-Info:
[  251.304294] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  251.304294]  active_file:16 inactive_file:17 isolated_file:0
[  251.304294]  unevictable:0 dirty:0 writeback:0 unstable:0
[  251.304294]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  251.304294]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  251.304294]  free:13792 free_pcp:309 free_cma:0
[  251.309620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  251.316452] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  251.318836] Call Trace:
[  251.351861] Node 0 
[  251.361704]  dump_stack+0x1c4/0x2b4
[  251.389644] 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
[  251.392194]  ? dump_stack_print_info.cold.2+0x52/0x52
[  251.394393] lowmem_reserve[]:
[  251.398449]  warn_alloc.cold.119+0xb7/0x1bd
[  251.423914]  0
[  251.429106]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  251.432177]  2819
[  251.436488]  ? lock_downgrade+0x900/0x900
[  251.438255]  6323
[  251.443078]  ? trace_hardirqs_off+0xb8/0x310
[  251.445106]  6323
[  251.449237]  ? trace_hardirqs_off+0xb8/0x310
[  251.457131]  __alloc_pages_slowpath+0x2667/0x2d80
[  251.459167] Node 0 
[  251.463565]  ? warn_alloc+0x120/0x120
[  251.468818] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  251.471026]  ? warn_alloc+0x120/0x120
[  251.474791] lowmem_reserve[]:
[  251.502204]  ? warn_alloc+0x120/0x120
[  251.505974]  0
[  251.509066]  ? mark_held_locks+0x130/0x130
[  251.512833]  0
[  251.514619]  ? mark_held_locks+0x130/0x130
[  251.518821]  3503
[  251.520608]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.524807]  3503
[  251.526853]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.534400]  ? should_fail+0x22d/0xd01
[  251.539902] Node 0 Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  251.544232]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  251.544247]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.573279] lowmem_reserve[]:
[  251.578814]  ? should_fail+0x22d/0xd01
[  251.584315]  0
[  251.587399]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  251.591249]  0
[  251.594863]  ? should_fail+0x22d/0xd01
[  251.599931]  0
[  251.601721]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  251.605574]  0
[  251.607359]  ? mark_held_locks+0x130/0x130
[  251.614212]  ? mark_held_locks+0x130/0x130
[  251.618413] Node 0 
[  251.622624]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.622630] DMA: 
[  251.624867]  ? trace_hardirqs_off+0xb8/0x310
[  251.630369] 1*4kB 
[  251.632411]  ? kasan_check_read+0x11/0x20
[  251.636785] (U) 
[  251.638918]  ? do_raw_spin_unlock+0xa7/0x2f0
[  251.643031] 0*8kB 
[  251.645009]  ? trace_hardirqs_on+0x310/0x310
[  251.649386] 0*16kB 
[  251.651527]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.655899] 1*32kB 
[  251.658117]  ? wq_watchdog_touch+0x9c/0xfe
[  251.663616] (U) 
[  251.665836]  ? io_serial_in+0x11/0x90
[  251.670036] 2*64kB 
[  251.671995]  ? retint_kernel+0x2d/0x2d
[  251.675770] (U) 
[  251.677993]  ? trace_hardirqs_on_caller+0xc0/0x310
[  251.681844] 1*128kB 
[  251.683803]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  251.688696] (U) 
[  251.691003]  ? trace_hardirqs_off+0x310/0x310
[  251.695727] 1*256kB 
[  251.697682]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  251.702144] (U) 
[  251.704463]  __alloc_pages_nodemask+0xa80/0xde0
[  251.709526] 0*512kB 
[  251.711487]  ? should_fail+0x22d/0xd01
[  251.716121] 1*1024kB 
[  251.718444]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  251.722306] (U) 
[  251.724713]  ? ____cache_alloc_node+0x1c7/0x1e0
[  251.729683] 1*2048kB (M) 
[  251.731646]  ? lock_downgrade+0x900/0x900
[  251.736304] 3*4096kB 
[  251.739045]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.743160] (M) 
[  251.745557]  cache_grow_begin+0x91/0x8c0
[  251.751061] = 15908kB
[  251.753020]  ? do_raw_spin_unlock+0xa7/0x2f0
[  251.757046] Node 0 
[  251.759442]  fallback_alloc+0x203/0x2e0
[  251.763820] DMA32: 
[  251.766054]  ____cache_alloc_node+0x1c7/0x1e0
[  251.769994] 6*4kB 
[  251.772217]  kmem_cache_alloc_node+0xe3/0x730
[  251.776686] (UME) 
[  251.778820]  ? ipv6_get_ifaddr+0x42e/0x620
[  251.783279] 2*8kB 
[  251.785412]  __alloc_skb+0x119/0x770
[  251.789614] (UE) 
[  251.792273]  ? skb_scrub_packet+0x490/0x490
[  251.795957] 4*16kB 
[  251.798011]  ? lock_downgrade+0x900/0x900
[  251.802297] (UME) 
[  251.804607]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.808722] 4*32kB 
[  251.810858]  ? refcount_sub_and_test_checked+0x203/0x310
[  251.816364] (UME) 
[  251.818587]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  251.824004] 5*64kB 
[  251.826138]  ? addrconf_rs_timer+0x690/0x690
[  251.831551] (ME) 
[  251.833776]  ndisc_alloc_skb+0x144/0x340
[  251.838151] 5*128kB 
[  251.840195]  ndisc_send_rs+0x331/0x6e0
[  251.844219] (UME) 
[  251.846525]  addrconf_rs_timer+0x314/0x690
[  251.850377] 4*256kB 
[  251.852507]  ? lock_release+0x970/0x970
[  251.856709] (ME) 
[  251.859017]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.862960] 5*512kB 
[  251.865460]  call_timer_fn+0x272/0x920
[  251.869661] (UME) 
[  251.872541]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.876395] 4*1024kB 
[  251.878527]  ? process_timeout+0x40/0x40
[  251.882725] (UME) 
[  251.885121]  ? kasan_check_read+0x11/0x20
[  251.889151] 2*2048kB 
[  251.891292]  ? do_raw_spin_unlock+0xa7/0x2f0
[  251.895402] (ME) 
[  251.897796]  ? trace_hardirqs_on+0x310/0x310
[  251.902171] 3*4096kB 
[  251.904215]  ? __run_timers+0x7da/0xc70
[  251.908588] (M) 
[  251.910989]  ? lock_downgrade+0x900/0x900
[  251.914927] = 25256kB
[  251.916889]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  251.921020] Node 0 
[  251.923412]  ? trace_hardirqs_on+0xbd/0x310
[  251.928502] Normal: 
[  251.930724]  ? kasan_check_read+0x11/0x20
[  251.935011] 1063*4kB 
[  251.937315]  ? __run_timers+0x7da/0xc70
[  251.941429] (UMEH) 
[  251.943825]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  251.947766] 420*8kB 
[  251.949985]  ? kasan_check_write+0x14/0x20
[  251.955423] (UME) 
[  251.957738]  ? do_raw_spin_lock+0xc1/0x200
[  251.961941] 170*16kB 
[  251.964080]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.968289] (UMEH) 
[  251.970682]  __run_timers+0x7e5/0xc70
[  251.974880] 65*32kB 
[  251.977098]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  251.980869] (UME) 
[  251.983176]  ? compat_start_thread+0x80/0x80
[  251.988500] 9*64kB (UM) 
[  251.990637]  ? dequeue_entity+0x1770/0x1770
[  251.995013] 0*128kB 
[  251.997668]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.001953] 0*256kB 
[  252.004263]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.009765] 0*512kB 
[  252.012185]  ? kasan_check_write+0x14/0x20
[  252.017688] 1*1024kB 
[  252.020000]  ? finish_task_switch+0x2f5/0x900
[  252.024196] (H) 
[  252.026592]  ? __switch_to_asm+0x40/0x70
[  252.031056] 0*2048kB 
[  252.033024]  ? preempt_notifier_register+0x200/0x200
[  252.037049] 0*4096kB 
[  252.039447]  ? __switch_to_asm+0x34/0x70
[  252.044521] = 14012kB
[  252.046913]  ? __switch_to_asm+0x40/0x70
[  252.050946] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  252.053338]  ? __switch_to_asm+0x34/0x70
[  252.057369] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  252.066179]  ? __switch_to_asm+0x40/0x70
[  252.070210] 4986 total pagecache pages
[  252.078763]  ? __switch_to_asm+0x34/0x70
[  252.082790] 0 pages in swap cache
[  252.086660]  ? __switch_to_asm+0x40/0x70
[  252.086676]  ? pvclock_read_flags+0x160/0x160
[  252.090702] Swap cache stats: add 0, delete 0, find 0/0
[  252.094130]  ? __schedule+0x874/0x1ed0
[  252.098158] Free swap  = 0kB
[  252.102633]  ? run_rebalance_domains+0x38d/0x500
[  252.107965] Total swap = 0kB
[  252.112210]  ? trace_hardirqs_on+0xbd/0x310
[  252.115197] 1965979 pages RAM
[  252.120431]  ? kvm_sched_clock_read+0x9/0x20
[  252.120446]  ? run_ksoftirqd+0x94/0x100
[  252.123438] 0 pages HighMem/MovableOnly
[  252.127741]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.130814] 342307 pages reserved
[  252.135205]  ? check_preemption_disabled+0x48/0x200
[  252.139141] 0 pages cma reserved
[  252.143094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.148667] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  252.152058]  run_timer_softirq+0x52/0xb0
[  252.152073]  ? __this_cpu_preempt_check+0x1c/0x1f
[  252.157099] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  252.160422]  __do_softirq+0x30b/0xad8
[  252.165922] syz-executor4 cpuset=
[  252.172398]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  252.176428] syz4
[  252.181259]  ? trace_hardirqs_off+0xb8/0x310
[  252.191713]  mems_allowed=0
[  252.195496]  ? schedule+0x108/0x460
[  252.219842]  ? __schedule+0x1ed0/0x1ed0
[  252.223808]  ? run_ksoftirqd+0x99/0x100
[  252.227773]  ? trace_hardirqs_off+0xb8/0x310
[  252.232168]  ? ___might_sleep+0x1ed/0x300
[  252.236308]  ? smpboot_thread_fn+0x68b/0xa00
[  252.240704]  ? trace_hardirqs_on+0x310/0x310
[  252.245103]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.250632]  ? check_preemption_disabled+0x48/0x200
[  252.255640]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.261167]  ? takeover_tasklets+0xa90/0xa90
[  252.265581]  run_ksoftirqd+0x94/0x100
[  252.269382]  smpboot_thread_fn+0x68b/0xa00
[  252.273613]  ? sort_range+0x30/0x30
[  252.277227]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  252.282864]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.288394]  ? __kthread_parkme+0xfb/0x1a0
[  252.292623]  kthread+0x35a/0x420
[  252.295978]  ? sort_range+0x30/0x30
[  252.299595]  ? kthread_bind+0x40/0x40
[  252.303388]  ret_from_fork+0x3a/0x50
[  252.307107] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  252.307160] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  252.314367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  252.314371] Call Trace:
[  252.314375]  <IRQ>
[  252.314388]  dump_stack+0x1c4/0x2b4
[  252.314412]  ? dump_stack_print_info.cold.2+0x52/0x52
[  252.320924] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  252.330211]  warn_alloc.cold.119+0xb7/0x1bd
[  252.332763] ksoftirqd/1 cpuset=
[  252.334896]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  252.338488] /
[  252.343661]  ? lock_downgrade+0x900/0x900
[  252.353953]  mems_allowed=0
[  252.358254]  ? trace_hardirqs_off+0xb8/0x310
[  252.379586]  ? trace_hardirqs_off+0xb8/0x310
[  252.383991]  __alloc_pages_slowpath+0x2667/0x2d80
[  252.388838]  ? warn_alloc+0x120/0x120
[  252.392635]  ? warn_alloc+0x120/0x120
[  252.396432]  ? warn_alloc+0x120/0x120
[  252.400221]  ? mark_held_locks+0x130/0x130
[  252.404453]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.409980]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.415508]  ? should_fail+0x22d/0xd01
[  252.419388]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  252.424536]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.430062]  ? should_fail+0x22d/0xd01
[  252.433943]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  252.439036]  ? should_fail+0x22d/0xd01
[  252.442913]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  252.448008]  ? mark_held_locks+0x130/0x130
[  252.453183]  ? mark_held_locks+0x130/0x130
[  252.457418]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.462942]  ? trace_hardirqs_off+0xb8/0x310
[  252.467337]  ? kasan_check_read+0x11/0x20
[  252.473016]  ? do_raw_spin_unlock+0xa7/0x2f0
[  252.477422]  ? trace_hardirqs_on+0x310/0x310
[  252.481821]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.487346]  ? wq_watchdog_touch+0x9c/0xfe
[  252.491569]  ? io_serial_in+0x11/0x90
[  252.495357]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.500889]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  252.505988]  __alloc_pages_nodemask+0xa80/0xde0
[  252.510658]  ? should_fail+0x22d/0xd01
[  252.514545]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  252.519564]  ? ____cache_alloc_node+0x1c7/0x1e0
[  252.524225]  ? lock_downgrade+0x900/0x900
[  252.528365]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.533896]  cache_grow_begin+0x91/0x8c0
[  252.537948]  ? do_raw_spin_unlock+0xa7/0x2f0
[  252.542350]  fallback_alloc+0x203/0x2e0
[  252.546336]  ____cache_alloc_node+0x1c7/0x1e0
[  252.550826]  kmem_cache_alloc_node+0xe3/0x730
[  252.555310]  ? ipv6_get_ifaddr+0x42e/0x620
[  252.559537]  __alloc_skb+0x119/0x770
[  252.563241]  ? skb_scrub_packet+0x490/0x490
[  252.567549]  ? lock_downgrade+0x900/0x900
[  252.571806]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.577326]  ? refcount_sub_and_test_checked+0x203/0x310
[  252.582765]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  252.588206]  ? addrconf_rs_timer+0x690/0x690
[  252.592612]  ndisc_alloc_skb+0x144/0x340
[  252.596664]  ndisc_send_rs+0x331/0x6e0
[  252.600542]  addrconf_rs_timer+0x314/0x690
[  252.604769]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.609004]  call_timer_fn+0x272/0x920
[  252.612882]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.617110]  ? process_timeout+0x40/0x40
[  252.621159]  ? trace_hardirqs_off+0xb8/0x310
[  252.625555]  ? kasan_check_read+0x11/0x20
[  252.629692]  ? do_raw_spin_unlock+0xa7/0x2f0
[  252.634102]  ? trace_hardirqs_on+0x310/0x310
[  252.638498]  ? __run_timers+0x7da/0xc70
[  252.642460]  ? lock_downgrade+0x900/0x900
[  252.646606]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  252.651691]  ? trace_hardirqs_on+0xbd/0x310
[  252.656000]  ? kasan_check_read+0x11/0x20
[  252.660133]  ? __run_timers+0x7da/0xc70
[  252.664096]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  252.669537]  ? kasan_check_write+0x14/0x20
[  252.673762]  ? do_raw_spin_lock+0xc1/0x200
[  252.677990]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.682216]  __run_timers+0x7e5/0xc70
[  252.686022]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  252.691386]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  252.696410]  ? timerqueue_add+0x207/0x2b0
[  252.700546]  ? enqueue_hrtimer+0x1a5/0x560
[  252.704766]  ? lock_release+0x970/0x970
[  252.708732]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  252.713911]  ? kasan_check_write+0x14/0x20
[  252.718143]  ? pvclock_read_flags+0x160/0x160
[  252.722627]  ? lock_downgrade+0x900/0x900
[  252.726771]  ? trace_hardirqs_on+0xbd/0x310
[  252.731081]  ? kvm_sched_clock_read+0x9/0x20
[  252.735478]  ? irq_exit+0x17f/0x1c0
[  252.739091]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.744617]  ? check_preemption_disabled+0x48/0x200
[  252.749623]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.755150]  run_timer_softirq+0x52/0xb0
[  252.759201]  ? __this_cpu_preempt_check+0x1c/0x1f
[  252.764032]  __do_softirq+0x30b/0xad8
[  252.767827]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  252.772918]  ? pvclock_read_flags+0x160/0x160
[  252.777421]  ? lapic_next_event+0x5a/0x90
[  252.781559]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.787088]  ? clockevents_program_event+0x140/0x370
[  252.792180]  ? kvm_clock_read+0x18/0x30
[  252.796318]  ? kvm_sched_clock_read+0x9/0x20
[  252.800711]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.806234]  ? check_preemption_disabled+0x48/0x200
[  252.811243]  irq_exit+0x17f/0x1c0
[  252.814695]  smp_apic_timer_interrupt+0x1cb/0x760
[  252.819519]  ? smp_reschedule_interrupt+0x109/0x650
[  252.824537]  ? smp_call_function_single_interrupt+0x650/0x650
[  252.830422]  ? interrupt_entry+0xb5/0xf0
[  252.834474]  ? trace_hardirqs_off_caller+0xbb/0x310
[  252.839481]  ? trace_hardirqs_off_caller+0xbb/0x310
[  252.844601]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  252.849433]  ? trace_hardirqs_on_caller+0x310/0x310
[  252.854452]  ? trace_hardirqs_on_caller+0x310/0x310
[  252.859457]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.864983]  ? check_preemption_disabled+0x48/0x200
[  252.870018]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  252.874852]  apic_timer_interrupt+0xf/0x20
[  252.879068]  </IRQ>
[  252.881297] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  252.886214] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  252.905187] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  252.912884] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  252.920139] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  252.927395] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  252.934654] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  252.941911] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  252.949180]  ? trace_hardirqs_on+0xb4/0x310
[  252.953494]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.959022]  skb_clone+0x1bb/0x500
[  252.962550]  ? finish_task_switch+0x2f5/0x900
[  252.967065]  ? skb_split+0x11e0/0x11e0
[  252.970942]  ? preempt_notifier_register+0x200/0x200
[  252.976036]  ? __switch_to_asm+0x34/0x70
[  252.980083]  ? __switch_to_asm+0x34/0x70
[  252.984133]  ? __switch_to_asm+0x40/0x70
[  252.988181]  ? __switch_to_asm+0x34/0x70
[  252.992228]  ? __switch_to_asm+0x40/0x70
[  252.996279]  ? __switch_to_asm+0x34/0x70
[  253.000327]  ? __switch_to_asm+0x40/0x70
[  253.004390]  ? __switch_to_asm+0x34/0x70
[  253.008456]  ? __switch_to_asm+0x34/0x70
[  253.012507]  ? __switch_to_asm+0x40/0x70
[  253.016557]  ? __switch_to_asm+0x34/0x70
[  253.020616]  bpf_clone_redirect+0xb9/0x490
[  253.024843]  ? __schedule+0x874/0x1ed0
[  253.028720]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  253.033641]  ? __sched_text_start+0x8/0x8
[  253.037782]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  253.042547]  ? retint_kernel+0x2d/0x2d
[  253.046438]  ? lock_acquire+0x1ed/0x520
[  253.050403]  ? bpf_test_run+0x32e/0x5a0
[  253.054375]  ? lock_release+0x970/0x970
[  253.058335]  ? preempt_schedule+0x4d/0x60
[  253.062485]  ? preempt_schedule_common+0x1f/0xd0
[  253.067232]  ? preempt_schedule+0x4d/0x60
[  253.071374]  ? ___preempt_schedule+0x16/0x18
[  253.075774]  ? bpf_test_run+0x1c0/0x5a0
[  253.079738]  ? netlink_diag_dump+0x2a0/0x2a0
[  253.084133]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.089655]  ? bpf_test_init.isra.9+0x70/0x100
[  253.094226]  ? bpf_prog_test_run_skb+0x634/0xb40
[  253.098977]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  253.103805]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  253.109328]  ? fput+0x130/0x1a0
[  253.112606]  ? __bpf_prog_get+0x9b/0x290
[  253.116655]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  253.121482]  ? bpf_prog_test_run+0x130/0x1a0
[  253.125881]  ? __x64_sys_bpf+0x3d8/0x510
[  253.129931]  ? bpf_prog_get+0x20/0x20
[  253.133733]  ? do_syscall_64+0x1b9/0x820
[  253.137794]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  253.143145]  ? syscall_return_slowpath+0x5e0/0x5e0
[  253.148170]  ? trace_hardirqs_on_caller+0x310/0x310
[  253.153174]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  253.158179]  ? recalc_sigpending_tsk+0x180/0x180
[  253.162923]  ? kasan_check_write+0x14/0x20
[  253.167150]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  253.171984]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  253.177366] warn_alloc_show_mem: 1 callbacks suppressed
[  253.177375] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  253.177376] Mem-Info:
[  253.177403] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  253.177403]  active_file:16 inactive_file:17 isolated_file:0
[  253.177403]  unevictable:0 dirty:0 writeback:0 unstable:0
[  253.177403]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  253.177403]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  253.177403]  free:13792 free_pcp:309 free_cma:0
[  253.182730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  253.182736] Call Trace:
[  253.189569] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  253.191964]  dump_stack+0x1c4/0x2b4
[  253.225102] Node 0 
[  253.234904]  ? dump_stack_print_info.cold.2+0x52/0x52
[  253.237599] 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
[  253.265410]  warn_alloc.cold.119+0xb7/0x1bd
[  253.269004] lowmem_reserve[]:
[  253.271602]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  253.276773]  0 2819
[  253.304275]  ? lock_downgrade+0x900/0x900
[  253.308564]  6323
[  253.311686]  ? trace_hardirqs_off+0xb8/0x310
[  253.316493]  6323
[  253.318717]  ? trace_hardirqs_off+0xb8/0x310
[  253.322831] Node 0 
[  253.324880]  __alloc_pages_slowpath+0x2667/0x2d80
[  253.329278] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  253.331324]  ? warn_alloc+0x120/0x120
[  253.335689] lowmem_reserve[]:
[  253.337914]  ? warn_alloc+0x120/0x120
[  253.342722]  0
[  253.369693]  ? warn_alloc+0x120/0x120
[  253.373460]  0
[  253.376549]  ? mark_held_locks+0x130/0x130
[  253.380323]  3503
[  253.382113]  ? mark_held_locks+0x130/0x130
[  253.385878]  3503
[  253.387668]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.393912]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.398113] Node 0 
[  253.400677]  ? should_fail+0x22d/0xd01
[  253.406203] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  253.411702]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  253.413908] lowmem_reserve[]:
[  253.417782]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.446112]  0
[  253.451201]  ? should_fail+0x22d/0xd01
[  253.456167]  0 0 0
[  253.456177] 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
[  253.456313] Node 0 DMA32: 
[  253.463711]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  253.465483] 6*4kB 
[  253.469356]  ? should_fail+0x22d/0xd01
[  253.471473] (UME) 
[  253.484981]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  253.487794] 2*8kB 
[  253.492881]  ? mark_held_locks+0x130/0x130
[  253.494997] (UE) 
[  253.498876]  ? mark_held_locks+0x130/0x130
[  253.501001] 4*16kB 
[  253.506109]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.508223] (UME) 
[  253.512443]  ? trace_hardirqs_off+0xb8/0x310
[  253.514474] 4*32kB 
[  253.518690]  ? kasan_check_read+0x11/0x20
[  253.520897] (UME) 
[  253.526419]  ? do_raw_spin_unlock+0xa7/0x2f0
[  253.528636] 5*64kB 
[  253.533027]  ? trace_hardirqs_on+0x310/0x310
[  253.535230] (ME) 
[  253.539363]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.541476] 5*128kB (UME) 
[  253.545976]  ? wq_watchdog_touch+0x9c/0xfe
[  253.548179] 4*256kB 
[  253.552579]  ? io_serial_in+0x11/0x90
[  253.554604] (ME) 5*512kB 
[  253.562838]  ? retint_kernel+0x2d/0x2d
[  253.565647] (UME) 
[  253.569876]  ? trace_hardirqs_on_caller+0xc0/0x310
[  253.572288] 4*1024kB 
[  253.576077]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  253.578799] (UME) 
[  253.582665]  ? trace_hardirqs_off+0x310/0x310
[  253.584793] 2*2048kB 
[  253.589708]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  253.592082] (ME) 3*4096kB 
[  253.597318]  __alloc_pages_nodemask+0xa80/0xde0
[  253.599443] (M) 
[  253.603924]  ? should_fail+0x22d/0xd01
[  253.606382] = 25256kB
[  253.612731]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  253.615546] Node 0 
[  253.620205]  ? ____cache_alloc_node+0x1c7/0x1e0
[  253.622144] Normal: 
[  253.626015]  ? lock_downgrade+0x900/0x900
[  253.628397] 1063*4kB 
[  253.633400]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.635606] (UMEH) 
[  253.640769]  cache_grow_begin+0x91/0x8c0
[  253.643062] 420*8kB 
[  253.647192]  ? do_raw_spin_unlock+0xa7/0x2f0
[  253.649568] (UME) 
[  253.655086]  fallback_alloc+0x203/0x2e0
[  253.657301] 170*16kB 
[  253.661461]  ____cache_alloc_node+0x1c7/0x1e0
[  253.663753] (UMEH) 
[  253.668295]  kmem_cache_alloc_node+0xe3/0x730
[  253.670411] 65*32kB 
[  253.674369]  ? ipv6_get_ifaddr+0x42e/0x620
[  253.676742] (UME) 
[  253.681221]  __alloc_skb+0x119/0x770
[  253.683429] 9*64kB 
[  253.687905]  ? skb_scrub_packet+0x490/0x490
[  253.690204] (UM) 
[  253.694420]  ? lock_downgrade+0x900/0x900
[  253.696539] 0*128kB 
[  253.700234]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.702439] 0*256kB 
[  253.706743]  ? refcount_sub_and_test_checked+0x203/0x310
[  253.708785] 0*512kB 
[  253.712925]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  253.715223] 1*1024kB 
[  253.720744]  ? addrconf_rs_timer+0x690/0x690
[  253.723035] (H) 
[  253.728475]  ndisc_alloc_skb+0x144/0x340
[  253.730759] 0*2048kB 0*4096kB 
[  253.736201]  ndisc_send_rs+0x331/0x6e0
[  253.738578] = 14012kB
[  253.742966]  addrconf_rs_timer+0x314/0x690
[  253.744916] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  253.748950]  ? lock_release+0x970/0x970
[  253.752118] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  253.755980]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.758359] 4986 total pagecache pages
[  253.762575]  call_timer_fn+0x272/0x920
[  253.771390] 0 pages in swap cache
[  253.775345]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.783900] Swap cache stats: add 0, delete 0, find 0/0
[  253.788113]  ? process_timeout+0x40/0x40
[  253.791966] Free swap  = 0kB
[  253.795832]  ? kasan_check_read+0x11/0x20
[  253.799257] Total swap = 0kB
[  253.803483]  ? do_raw_spin_unlock+0xa7/0x2f0
[  253.808813] 1965979 pages RAM
[  253.812856]  ? trace_hardirqs_on+0x310/0x310
[  253.815841] 0 pages HighMem/MovableOnly
[  253.819973]  ? __run_timers+0x7da/0xc70
[  253.822958] 342307 pages reserved
[  253.827367]  ? lock_downgrade+0x900/0x900
[  253.830439] 0 pages cma reserved
[  253.834832]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  253.838823] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  253.842726]  ? trace_hardirqs_on+0xbd/0x310
[  253.842735]  ? kasan_check_read+0x11/0x20
[  253.842749]  ? __run_timers+0x7da/0xc70
[  253.846213] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  253.850305]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  253.853643] syz-executor4 cpuset=
[  253.858728]  ? kasan_check_write+0x14/0x20
[  253.865193] syz4 mems_allowed=0
[  253.906210]  ? do_raw_spin_lock+0xc1/0x200
[  253.910437]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.914663]  __run_timers+0x7e5/0xc70
[  253.918463]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  253.924293]  ? compat_start_thread+0x80/0x80
[  253.928690]  ? dequeue_entity+0x1770/0x1770
[  253.933002]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.938529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.944061]  ? kasan_check_write+0x14/0x20
[  253.948290]  ? finish_task_switch+0x2f5/0x900
[  253.952774]  ? __switch_to_asm+0x40/0x70
[  253.956832]  ? preempt_notifier_register+0x200/0x200
[  253.961922]  ? __switch_to_asm+0x34/0x70
[  253.965971]  ? __switch_to_asm+0x40/0x70
[  253.970018]  ? __switch_to_asm+0x34/0x70
[  253.974067]  ? __switch_to_asm+0x40/0x70
[  253.978116]  ? __switch_to_asm+0x34/0x70
[  253.982164]  ? __switch_to_asm+0x40/0x70
[  253.986217]  ? pvclock_read_flags+0x160/0x160
[  253.990703]  ? __schedule+0x874/0x1ed0
[  253.994578]  ? run_rebalance_domains+0x38d/0x500
[  253.999331]  ? trace_hardirqs_on+0xbd/0x310
[  254.003644]  ? kvm_sched_clock_read+0x9/0x20
[  254.008528]  ? run_ksoftirqd+0x94/0x100
[  254.012509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.018035]  ? check_preemption_disabled+0x48/0x200
[  254.023037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.028566]  run_timer_softirq+0x52/0xb0
[  254.032617]  ? __this_cpu_preempt_check+0x1c/0x1f
[  254.037465]  __do_softirq+0x30b/0xad8
[  254.041271]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  254.046375]  ? trace_hardirqs_off+0xb8/0x310
[  254.050785]  ? schedule+0x108/0x460
[  254.054867]  ? __schedule+0x1ed0/0x1ed0
[  254.058832]  ? run_ksoftirqd+0x99/0x100
[  254.062803]  ? trace_hardirqs_off+0xb8/0x310
[  254.067201]  ? ___might_sleep+0x1ed/0x300
[  254.071337]  ? smpboot_thread_fn+0x68b/0xa00
[  254.075738]  ? trace_hardirqs_on+0x310/0x310
[  254.080137]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.085682]  ? check_preemption_disabled+0x48/0x200
[  254.090691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.096222]  ? takeover_tasklets+0xa90/0xa90
[  254.100627]  run_ksoftirqd+0x94/0x100
[  254.104416]  smpboot_thread_fn+0x68b/0xa00
[  254.108640]  ? sort_range+0x30/0x30
[  254.112682]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  254.117778]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.123319]  ? __kthread_parkme+0xfb/0x1a0
[  254.127564]  kthread+0x35a/0x420
[  254.130922]  ? sort_range+0x30/0x30
[  254.134537]  ? kthread_bind+0x40/0x40
[  254.138330]  ret_from_fork+0x3a/0x50
[  254.142042] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  254.142098] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  254.149306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  254.156338] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  254.165630] Call Trace:
[  254.175918] ksoftirqd/1 cpuset=
[  254.178475]  <IRQ>
[  254.178477] / mems_allowed=0
[  254.181759]  dump_stack+0x1c4/0x2b4
[  254.190478]  ? dump_stack_print_info.cold.2+0x52/0x52
[  254.195663]  warn_alloc.cold.119+0xb7/0x1bd
[  254.199974]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  254.204830]  ? lock_downgrade+0x900/0x900
[  254.208971]  ? trace_hardirqs_off+0xb8/0x310
[  254.213374]  ? trace_hardirqs_off+0xb8/0x310
[  254.217775]  __alloc_pages_slowpath+0x2667/0x2d80
[  254.222782]  ? warn_alloc+0x120/0x120
[  254.226596]  ? warn_alloc+0x120/0x120
[  254.230406]  ? warn_alloc+0x120/0x120
[  254.234199]  ? mark_held_locks+0x130/0x130
[  254.238427]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.243957]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.249484]  ? should_fail+0x22d/0xd01
[  254.253357]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  254.258446]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.263977]  ? should_fail+0x22d/0xd01
[  254.267859]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  254.272954]  ? should_fail+0x22d/0xd01
[  254.276865]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  254.282352]  ? mark_held_locks+0x130/0x130
[  254.286581]  ? mark_held_locks+0x130/0x130
[  254.290809]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.296334]  ? trace_hardirqs_off+0xb8/0x310
[  254.300733]  ? kasan_check_read+0x11/0x20
[  254.304884]  ? do_raw_spin_unlock+0xa7/0x2f0
[  254.309287]  ? trace_hardirqs_on+0x310/0x310
[  254.313684]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.319208]  ? wq_watchdog_touch+0x9c/0xfe
[  254.323441]  ? io_serial_in+0x11/0x90
[  254.327237]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.332774]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  254.337874]  __alloc_pages_nodemask+0xa80/0xde0
[  254.342536]  ? should_fail+0x22d/0xd01
[  254.346415]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  254.351445]  ? ____cache_alloc_node+0x1c7/0x1e0
[  254.356104]  ? lock_downgrade+0x900/0x900
[  254.360258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.365787]  cache_grow_begin+0x91/0x8c0
[  254.369855]  ? do_raw_spin_unlock+0xa7/0x2f0
[  254.374275]  fallback_alloc+0x203/0x2e0
[  254.378249]  ____cache_alloc_node+0x1c7/0x1e0
[  254.382740]  kmem_cache_alloc_node+0xe3/0x730
[  254.387238]  ? ipv6_get_ifaddr+0x42e/0x620
[  254.391470]  __alloc_skb+0x119/0x770
[  254.395197]  ? skb_scrub_packet+0x490/0x490
[  254.399513]  ? lock_downgrade+0x900/0x900
[  254.403653]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.409181]  ? refcount_sub_and_test_checked+0x203/0x310
[  254.414621]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  254.420072]  ? addrconf_rs_timer+0x690/0x690
[  254.424491]  ndisc_alloc_skb+0x144/0x340
[  254.428545]  ndisc_send_rs+0x331/0x6e0
[  254.432426]  addrconf_rs_timer+0x314/0x690
[  254.436650]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.440878]  call_timer_fn+0x272/0x920
[  254.444754]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.448976]  ? process_timeout+0x40/0x40
[  254.455243]  ? trace_hardirqs_off+0xb8/0x310
[  254.459649]  ? kasan_check_read+0x11/0x20
[  254.463792]  ? do_raw_spin_unlock+0xa7/0x2f0
[  254.468189]  ? trace_hardirqs_on+0x310/0x310
[  254.472912]  ? __run_timers+0x7da/0xc70
[  254.476876]  ? lock_downgrade+0x900/0x900
[  254.481013]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  254.486105]  ? trace_hardirqs_on+0xbd/0x310
[  254.491636]  ? kasan_check_read+0x11/0x20
[  254.495778]  ? __run_timers+0x7da/0xc70
[  254.499742]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  254.505828]  ? kasan_check_write+0x14/0x20
[  254.510060]  ? do_raw_spin_lock+0xc1/0x200
[  254.514292]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.518515]  __run_timers+0x7e5/0xc70
[  254.522318]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  254.527674]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  254.532682]  ? timerqueue_add+0x207/0x2b0
[  254.536819]  ? enqueue_hrtimer+0x1a5/0x560
[  254.541042]  ? lock_release+0x970/0x970
[  254.545003]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  254.550184]  ? kasan_check_write+0x14/0x20
[  254.554417]  ? pvclock_read_flags+0x160/0x160
[  254.558902]  ? lock_downgrade+0x900/0x900
[  254.563055]  ? trace_hardirqs_on+0xbd/0x310
[  254.567364]  ? kvm_sched_clock_read+0x9/0x20
[  254.571759]  ? irq_exit+0x17f/0x1c0
[  254.575381]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.580913]  ? check_preemption_disabled+0x48/0x200
[  254.585921]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.591450]  run_timer_softirq+0x52/0xb0
[  254.595505]  ? __this_cpu_preempt_check+0x1c/0x1f
[  254.600337]  __do_softirq+0x30b/0xad8
[  254.604152]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  254.609251]  ? pvclock_read_flags+0x160/0x160
[  254.613736]  ? lapic_next_event+0x5a/0x90
[  254.618005]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.623527]  ? clockevents_program_event+0x140/0x370
[  254.628627]  ? kvm_clock_read+0x18/0x30
[  254.632593]  ? kvm_sched_clock_read+0x9/0x20
[  254.636991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.642521]  ? check_preemption_disabled+0x48/0x200
[  254.647531]  irq_exit+0x17f/0x1c0
[  254.650974]  smp_apic_timer_interrupt+0x1cb/0x760
[  254.655803]  ? smp_reschedule_interrupt+0x109/0x650
[  254.660812]  ? smp_call_function_single_interrupt+0x650/0x650
[  254.666702]  ? interrupt_entry+0xb5/0xf0
[  254.670760]  ? trace_hardirqs_off_caller+0xbb/0x310
[  254.675764]  ? trace_hardirqs_off_caller+0xbb/0x310
[  254.680772]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  254.685623]  ? trace_hardirqs_on_caller+0x310/0x310
[  254.690644]  ? trace_hardirqs_on_caller+0x310/0x310
[  254.695674]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.701209]  ? check_preemption_disabled+0x48/0x200
[  254.706247]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  254.711081]  apic_timer_interrupt+0xf/0x20
[  254.715304]  </IRQ>
[  254.717536] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  254.722457] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  254.741350] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  254.749046] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  254.756401] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  254.763657] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  254.770914] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  254.778170] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  254.785444]  ? trace_hardirqs_on+0xb4/0x310
[  254.789758]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.795287]  skb_clone+0x1bb/0x500
[  254.798820]  ? finish_task_switch+0x2f5/0x900
[  254.803306]  ? skb_split+0x11e0/0x11e0
[  254.807203]  ? preempt_notifier_register+0x200/0x200
[  254.812298]  ? __switch_to_asm+0x34/0x70
[  254.816349]  ? __switch_to_asm+0x34/0x70
[  254.820395]  ? __switch_to_asm+0x40/0x70
[  254.824444]  ? __switch_to_asm+0x34/0x70
[  254.828491]  ? __switch_to_asm+0x40/0x70
[  254.832542]  ? __switch_to_asm+0x34/0x70
[  254.836591]  ? __switch_to_asm+0x40/0x70
[  254.840642]  ? __switch_to_asm+0x34/0x70
[  254.844696]  ? __switch_to_asm+0x34/0x70
[  254.848743]  ? __switch_to_asm+0x40/0x70
[  254.852791]  ? __switch_to_asm+0x34/0x70
[  254.856849]  bpf_clone_redirect+0xb9/0x490
[  254.861077]  ? __schedule+0x874/0x1ed0
[  254.864954]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  254.869879]  ? __sched_text_start+0x8/0x8
[  254.874016]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  254.878763]  ? retint_kernel+0x2d/0x2d
[  254.882643]  ? lock_acquire+0x1ed/0x520
[  254.886609]  ? bpf_test_run+0x32e/0x5a0
[  254.890574]  ? lock_release+0x970/0x970
[  254.894538]  ? preempt_schedule+0x4d/0x60
[  254.898676]  ? preempt_schedule_common+0x1f/0xd0
[  254.903422]  ? preempt_schedule+0x4d/0x60
[  254.907562]  ? ___preempt_schedule+0x16/0x18
[  254.911962]  ? bpf_test_run+0x1c0/0x5a0
[  254.915936]  ? netlink_diag_dump+0x2a0/0x2a0
[  254.920444]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.925969]  ? bpf_test_init.isra.9+0x70/0x100
[  254.930546]  ? bpf_prog_test_run_skb+0x634/0xb40
[  254.935288]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  254.940117]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  254.945638]  ? fput+0x130/0x1a0
[  254.949077]  ? __bpf_prog_get+0x9b/0x290
[  254.953128]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  254.957957]  ? bpf_prog_test_run+0x130/0x1a0
[  254.962360]  ? __x64_sys_bpf+0x3d8/0x510
[  254.966412]  ? bpf_prog_get+0x20/0x20
[  254.970220]  ? do_syscall_64+0x1b9/0x820
[  254.974269]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  254.979623]  ? syscall_return_slowpath+0x5e0/0x5e0
[  254.984542]  ? trace_hardirqs_on_caller+0x310/0x310
[  254.989550]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  254.994554]  ? recalc_sigpending_tsk+0x180/0x180
[  254.999298]  ? kasan_check_write+0x14/0x20
[  255.003528]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  255.008364]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  255.013731] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  255.013735] warn_alloc_show_mem: 1 callbacks suppressed
[  255.013741] Mem-Info:
[  255.022595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  255.022602] Call Trace:
[  255.027965] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  255.027965]  active_file:16 inactive_file:17 isolated_file:0
[  255.027965]  unevictable:0 dirty:0 writeback:0 unstable:0
[  255.027965]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  255.027965]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  255.027965]  free:13792 free_pcp:309 free_cma:0
[  255.030835]  dump_stack+0x1c4/0x2b4
[  255.040182] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  255.042753]  ? dump_stack_print_info.cold.2+0x52/0x52
[  255.075771] Node 0 
[  255.079874]  warn_alloc.cold.119+0xb7/0x1bd
[  255.107707] 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
[  255.112866]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  255.115065] lowmem_reserve[]: 0
[  255.119378]  ? lock_downgrade+0x900/0x900
[  255.144845]  2819
[  255.149674]  ? trace_hardirqs_off+0xb8/0x310
[  255.152918]  6323
[  255.157051]  ? trace_hardirqs_off+0xb8/0x310
[  255.159084]  6323
[  255.164007]  __alloc_pages_slowpath+0x2667/0x2d80
[  255.170441]  ? warn_alloc+0x120/0x120
[  255.172466] Node 0 
[  255.177730]  ? warn_alloc+0x120/0x120
[  255.181521] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  255.183726]  ? warn_alloc+0x120/0x120
[  255.187506] lowmem_reserve[]:
[  255.214950]  ? mark_held_locks+0x130/0x130
[  255.218717]  0
[  255.221808]  ? mark_held_locks+0x130/0x130
[  255.226008]  0 3503
[  255.227804]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.232005]  3503
[  255.234227]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.241780]  ? should_fail+0x22d/0xd01
[  255.247282] Node 0 Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  255.251177]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  255.251189]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.280309] lowmem_reserve[]:
[  255.285902]  ? should_fail+0x22d/0xd01
[  255.291407]  0
[  255.294496]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  255.298351]  0
[  255.300138]  ? should_fail+0x22d/0xd01
[  255.305207]  0 0
[  255.307001]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  255.313300]  ? mark_held_locks+0x130/0x130
[  255.318397] Node 0 DMA: 
[  255.322616]  ? mark_held_locks+0x130/0x130
[  255.322632]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.325273] 1*4kB 
[  255.329489]  ? trace_hardirqs_off+0xb8/0x310
[  255.334993] (U) 
[  255.337131]  ? kasan_check_read+0x11/0x20
[  255.341510] 0*8kB 
[  255.343472]  ? do_raw_spin_unlock+0xa7/0x2f0
[  255.347587] 0*16kB 
[  255.349718]  ? trace_hardirqs_on+0x310/0x310
[  255.354093] 1*32kB 
[  255.356312]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.360690] (U) 
[  255.362910]  ? wq_watchdog_touch+0x9c/0xfe
[  255.368410] 2*64kB (U) 
[  255.370376]  ? io_serial_in+0x11/0x90
[  255.374576] 1*128kB 
[  255.377149]  ? retint_kernel+0x2d/0x2d
[  255.380916] (U) 
[  255.383223]  ? trace_hardirqs_on_caller+0xc0/0x310
[  255.387078] 1*256kB 
[  255.390048]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  255.394942] (U) 
[  255.397251]  ? trace_hardirqs_off+0x310/0x310
[  255.401978] 0*512kB 
[  255.403938]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  255.408407] 1*1024kB 
[  255.410718]  __alloc_pages_nodemask+0xa80/0xde0
[  255.415785] (U) 
[  255.418175]  ? should_fail+0x22d/0xd01
[  255.418191]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  255.422832] 1*2048kB 
[  255.424799]  ? ____cache_alloc_node+0x1c7/0x1e0
[  255.428645] (M) 
[  255.433646]  ? lock_downgrade+0x900/0x900
[  255.436026] 3*4096kB 
[  255.440692]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.442638] (M) 
[  255.447278]  cache_grow_begin+0x91/0x8c0
[  255.449662] = 15908kB
[  255.456722]  ? do_raw_spin_unlock+0xa7/0x2f0
[  255.458665] Node 0 DMA32: 
[  255.462717]  fallback_alloc+0x203/0x2e0
[  255.465093] 6*4kB 
[  255.475457]  ____cache_alloc_node+0x1c7/0x1e0
[  255.478271] (UME) 
[  255.482710]  kmem_cache_alloc_node+0xe3/0x730
[  255.484828] 2*8kB 
[  255.489844]  ? ipv6_get_ifaddr+0x42e/0x620
[  255.491954] (UE) 4*16kB 
[  255.496441]  __alloc_skb+0x119/0x770
[  255.498560] (UME) 
[  255.502780]  ? skb_scrub_packet+0x490/0x490
[  255.505499] 4*32kB (UME) 
[  255.509702]  ? lock_downgrade+0x900/0x900
[  255.511818] 5*64kB 
[  255.516123]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.518856] (ME) 
[  255.522986]  ? refcount_sub_and_test_checked+0x203/0x310
[  255.525192] 5*128kB 
[  255.530722]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  255.532750] (UME) 
[  255.538202]  ? addrconf_rs_timer+0x690/0x690
[  255.540508] 4*256kB 
[  255.546371]  ndisc_alloc_skb+0x144/0x340
[  255.548485] (ME) 
[  255.552879]  ndisc_send_rs+0x331/0x6e0
[  255.555171] 5*512kB 
[  255.559213]  addrconf_rs_timer+0x314/0x690
[  255.561242] (UME) 
[  255.565115]  ? lock_release+0x970/0x970
[  255.567411] 4*1024kB 
[  255.571629]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.573744] (UME) 
[  255.577708]  call_timer_fn+0x272/0x920
[  255.580099] 2*2048kB 
[  255.584827]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.586964] (ME) 
[  255.591135]  ? process_timeout+0x40/0x40
[  255.593513] 3*4096kB 
[  255.597724]  ? kasan_check_read+0x11/0x20
[  255.597739]  ? do_raw_spin_unlock+0xa7/0x2f0
[  255.599770] (M) 
[  255.603817]  ? trace_hardirqs_on+0x310/0x310
[  255.606212] = 25256kB
[  255.610343]  ? __run_timers+0x7da/0xc70
[  255.614721] Node 0 
[  255.616699]  ? lock_downgrade+0x900/0x900
[  255.621074] Normal: 
[  255.623471]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  255.627413] 1063*4kB 
[  255.629635]  ? trace_hardirqs_on+0xbd/0x310
[  255.633752] (UMEH) 
[  255.636056]  ? kasan_check_read+0x11/0x20
[  255.641239] 420*8kB 
[  255.643633]  ? __run_timers+0x7da/0xc70
[  255.647933] (UME) 
[  255.650159]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  255.654277] 170*16kB 
[  255.656586]  ? kasan_check_write+0x14/0x20
[  255.660525] (UMEH) 
[  255.662662]  ? do_raw_spin_lock+0xc1/0x200
[  255.668077] 65*32kB 
[  255.670476]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.674676] (UME) 
[  255.676915]  __run_timers+0x7e5/0xc70
[  255.681121] 9*64kB (UM) 
[  255.683444]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  255.687648] 0*128kB 0*256kB 
[  255.689796]  ? compat_start_thread+0x80/0x80
[  255.693564] 0*512kB 1*1024kB 
[  255.696219]  ? dequeue_entity+0x1770/0x1770
[  255.696236]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.701565] (H) 
[  255.704569]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.708944] 0*2048kB 
[  255.712032]  ? kasan_check_write+0x14/0x20
[  255.716328] 0*4096kB = 14012kB
[  255.721869]  ? finish_task_switch+0x2f5/0x900
[  255.723819] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  255.729346]  ? __switch_to_asm+0x40/0x70
[  255.731728] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  255.735943]  ? preempt_notifier_register+0x200/0x200
[  255.739103] 4986 total pagecache pages
[  255.743583]  ? __switch_to_asm+0x34/0x70
[  255.752385] 0 pages in swap cache
[  255.756428]  ? __switch_to_asm+0x40/0x70
[  255.764975] Swap cache stats: add 0, delete 0, find 0/0
[  255.770057]  ? __switch_to_asm+0x34/0x70
[  255.773926] Free swap  = 0kB
[  255.777967]  ? __switch_to_asm+0x40/0x70
[  255.781390] Total swap = 0kB
[  255.785432]  ? __switch_to_asm+0x34/0x70
[  255.790766] 1965979 pages RAM
[  255.794806]  ? __switch_to_asm+0x40/0x70
[  255.797794] 0 pages HighMem/MovableOnly
[  255.801842]  ? pvclock_read_flags+0x160/0x160
[  255.804828] 342307 pages reserved
[  255.808873]  ? __schedule+0x874/0x1ed0
[  255.811945] 0 pages cma reserved
[  255.815991]  ? run_rebalance_domains+0x38d/0x500
[  255.819991] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  255.824412]  ? trace_hardirqs_on+0xbd/0x310
[  255.824423]  ? kvm_sched_clock_read+0x9/0x20
[  255.824439]  ? run_ksoftirqd+0x94/0x100
[  255.827901] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  255.832243]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.835589] syz-executor4 cpuset=
[  255.840330]  ? check_preemption_disabled+0x48/0x200
[  255.846788] syz4
[  255.851095]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.855475]  mems_allowed=0
[  255.859432]  run_timer_softirq+0x52/0xb0
[  255.898872]  ? __this_cpu_preempt_check+0x1c/0x1f
[  255.903707]  __do_softirq+0x30b/0xad8
[  255.907501]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  255.912598]  ? trace_hardirqs_off+0xb8/0x310
[  255.917005]  ? schedule+0x108/0x460
[  255.920630]  ? __schedule+0x1ed0/0x1ed0
[  255.924599]  ? run_ksoftirqd+0x99/0x100
[  255.929545]  ? trace_hardirqs_off+0xb8/0x310
[  255.933962]  ? ___might_sleep+0x1ed/0x300
[  255.938106]  ? smpboot_thread_fn+0x68b/0xa00
[  255.942504]  ? trace_hardirqs_on+0x310/0x310
[  255.946900]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.952430]  ? check_preemption_disabled+0x48/0x200
[  255.957435]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.962975]  ? takeover_tasklets+0xa90/0xa90
[  255.967379]  run_ksoftirqd+0x94/0x100
[  255.971623]  smpboot_thread_fn+0x68b/0xa00
[  255.975848]  ? sort_range+0x30/0x30
[  255.979464]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  255.984560]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.990086]  ? __kthread_parkme+0xfb/0x1a0
[  255.994322]  kthread+0x35a/0x420
[  255.997680]  ? sort_range+0x30/0x30
[  256.001297]  ? kthread_bind+0x40/0x40
[  256.005094]  ret_from_fork+0x3a/0x50
[  256.008808] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  256.008870] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  256.016068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  256.016071] Call Trace:
[  256.016076]  <IRQ>
[  256.016100]  dump_stack+0x1c4/0x2b4
[  256.016122]  ? dump_stack_print_info.cold.2+0x52/0x52
[  256.022641] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  256.031936]  warn_alloc.cold.119+0xb7/0x1bd
[  256.034486] ksoftirqd/1 cpuset=
[  256.036627]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  256.040219] /
[  256.045392]  ? lock_downgrade+0x900/0x900
[  256.056025]  mems_allowed=0
[  256.060328]  ? trace_hardirqs_off+0xb8/0x310
[  256.081535]  ? trace_hardirqs_off+0xb8/0x310
[  256.085940]  __alloc_pages_slowpath+0x2667/0x2d80
[  256.090789]  ? warn_alloc+0x120/0x120
[  256.094598]  ? warn_alloc+0x120/0x120
[  256.098408]  ? warn_alloc+0x120/0x120
[  256.102203]  ? mark_held_locks+0x130/0x130
[  256.106430]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.112416]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.117949]  ? should_fail+0x22d/0xd01
[  256.121827]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  256.126923]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.132449]  ? should_fail+0x22d/0xd01
[  256.136330]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  256.141420]  ? should_fail+0x22d/0xd01
[  256.145437]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  256.150572]  ? mark_held_locks+0x130/0x130
[  256.154803]  ? mark_held_locks+0x130/0x130
[  256.159030]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.164560]  ? trace_hardirqs_off+0xb8/0x310
[  256.168963]  ? kasan_check_read+0x11/0x20
[  256.173108]  ? do_raw_spin_unlock+0xa7/0x2f0
[  256.177504]  ? trace_hardirqs_on+0x310/0x310
[  256.181902]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.187430]  ? wq_watchdog_touch+0x9c/0xfe
[  256.191652]  ? io_serial_in+0x11/0x90
[  256.195444]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.200974]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  256.206079]  __alloc_pages_nodemask+0xa80/0xde0
[  256.210755]  ? should_fail+0x22d/0xd01
[  256.214637]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  256.219652]  ? ____cache_alloc_node+0x1c7/0x1e0
[  256.224314]  ? lock_downgrade+0x900/0x900
[  256.228454]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.233982]  cache_grow_begin+0x91/0x8c0
[  256.238036]  ? do_raw_spin_unlock+0xa7/0x2f0
[  256.242437]  fallback_alloc+0x203/0x2e0
[  256.246403]  ____cache_alloc_node+0x1c7/0x1e0
[  256.250891]  kmem_cache_alloc_node+0xe3/0x730
[  256.255378]  ? ipv6_get_ifaddr+0x42e/0x620
[  256.259604]  __alloc_skb+0x119/0x770
[  256.263311]  ? skb_scrub_packet+0x490/0x490
[  256.267627]  ? lock_downgrade+0x900/0x900
[  256.271769]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.277726]  ? refcount_sub_and_test_checked+0x203/0x310
[  256.283257]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  256.288696]  ? addrconf_rs_timer+0x690/0x690
[  256.293121]  ndisc_alloc_skb+0x144/0x340
[  256.297190]  ndisc_send_rs+0x331/0x6e0
[  256.301078]  addrconf_rs_timer+0x314/0x690
[  256.305305]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.309536]  call_timer_fn+0x272/0x920
[  256.313413]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.317636]  ? process_timeout+0x40/0x40
[  256.321686]  ? trace_hardirqs_off+0xb8/0x310
[  256.326091]  ? kasan_check_read+0x11/0x20
[  256.330228]  ? do_raw_spin_unlock+0xa7/0x2f0
[  256.334626]  ? trace_hardirqs_on+0x310/0x310
[  256.339024]  ? __run_timers+0x7da/0xc70
[  256.342986]  ? lock_downgrade+0x900/0x900
[  256.347124]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  256.352214]  ? trace_hardirqs_on+0xbd/0x310
[  256.356524]  ? kasan_check_read+0x11/0x20
[  256.360663]  ? __run_timers+0x7da/0xc70
[  256.364627]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  256.370071]  ? kasan_check_write+0x14/0x20
[  256.374298]  ? do_raw_spin_lock+0xc1/0x200
[  256.378522]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.382744]  __run_timers+0x7e5/0xc70
[  256.386551]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  256.391904]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  256.396910]  ? timerqueue_add+0x207/0x2b0
[  256.401049]  ? enqueue_hrtimer+0x1a5/0x560
[  256.405288]  ? lock_release+0x970/0x970
[  256.409248]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  256.414425]  ? kasan_check_write+0x14/0x20
[  256.418655]  ? pvclock_read_flags+0x160/0x160
[  256.423166]  ? lock_downgrade+0x900/0x900
[  256.427317]  ? trace_hardirqs_on+0xbd/0x310
[  256.431629]  ? kvm_sched_clock_read+0x9/0x20
[  256.436026]  ? irq_exit+0x17f/0x1c0
[  256.439652]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.445180]  ? check_preemption_disabled+0x48/0x200
[  256.450185]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.456731]  run_timer_softirq+0x52/0xb0
[  256.460785]  ? __this_cpu_preempt_check+0x1c/0x1f
[  256.465620]  __do_softirq+0x30b/0xad8
[  256.471045]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  256.476194]  ? pvclock_read_flags+0x160/0x160
[  256.480829]  ? lapic_next_event+0x5a/0x90
[  256.484985]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.490596]  ? clockevents_program_event+0x140/0x370
[  256.495692]  ? kvm_clock_read+0x18/0x30
[  256.499658]  ? kvm_sched_clock_read+0x9/0x20
[  256.504064]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.509601]  ? check_preemption_disabled+0x48/0x200
[  256.514613]  irq_exit+0x17f/0x1c0
[  256.518104]  smp_apic_timer_interrupt+0x1cb/0x760
[  256.522935]  ? smp_reschedule_interrupt+0x109/0x650
[  256.527939]  ? smp_call_function_single_interrupt+0x650/0x650
[  256.533809]  ? interrupt_entry+0xb5/0xf0
[  256.537868]  ? trace_hardirqs_off_caller+0xbb/0x310
[  256.542991]  ? trace_hardirqs_off_caller+0xbb/0x310
[  256.547997]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  256.552831]  ? trace_hardirqs_on_caller+0x310/0x310
[  256.557835]  ? trace_hardirqs_on_caller+0x310/0x310
[  256.562836]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.568359]  ? check_preemption_disabled+0x48/0x200
[  256.573370]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  256.578208]  apic_timer_interrupt+0xf/0x20
[  256.582425]  </IRQ>
[  256.584656] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  256.589578] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  256.608465] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  256.616162] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  256.623417] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  256.630673] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  256.637931] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  256.645189] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  256.652456]  ? trace_hardirqs_on+0xb4/0x310
[  256.656770]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.662300]  skb_clone+0x1bb/0x500
[  256.665833]  ? finish_task_switch+0x2f5/0x900
[  256.670318]  ? skb_split+0x11e0/0x11e0
[  256.674216]  ? preempt_notifier_register+0x200/0x200
[  256.679326]  ? __switch_to_asm+0x34/0x70
[  256.683374]  ? __switch_to_asm+0x34/0x70
[  256.687420]  ? __switch_to_asm+0x40/0x70
[  256.691487]  ? __switch_to_asm+0x34/0x70
[  256.695537]  ? __switch_to_asm+0x40/0x70
[  256.699586]  ? __switch_to_asm+0x34/0x70
[  256.703632]  ? __switch_to_asm+0x40/0x70
[  256.707681]  ? __switch_to_asm+0x34/0x70
[  256.711731]  ? __switch_to_asm+0x34/0x70
[  256.715781]  ? __switch_to_asm+0x40/0x70
[  256.719832]  ? __switch_to_asm+0x34/0x70
[  256.723886]  bpf_clone_redirect+0xb9/0x490
[  256.728110]  ? __schedule+0x874/0x1ed0
[  256.731987]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  256.736906]  ? __sched_text_start+0x8/0x8
[  256.741059]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  256.745827]  ? retint_kernel+0x2d/0x2d
[  256.749709]  ? lock_acquire+0x1ed/0x520
[  256.753673]  ? bpf_test_run+0x32e/0x5a0
[  256.757639]  ? lock_release+0x970/0x970
[  256.761606]  ? preempt_schedule+0x4d/0x60
[  256.765747]  ? preempt_schedule_common+0x1f/0xd0
[  256.770495]  ? preempt_schedule+0x4d/0x60
[  256.774632]  ? ___preempt_schedule+0x16/0x18
[  256.779046]  ? bpf_test_run+0x1c0/0x5a0
[  256.783021]  ? netlink_diag_dump+0x2a0/0x2a0
[  256.787516]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.793064]  ? bpf_test_init.isra.9+0x70/0x100
[  256.797639]  ? bpf_prog_test_run_skb+0x634/0xb40
[  256.802388]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  256.807220]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  256.812745]  ? fput+0x130/0x1a0
[  256.816014]  ? __bpf_prog_get+0x9b/0x290
[  256.820076]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  256.824910]  ? bpf_prog_test_run+0x130/0x1a0
[  256.829311]  ? __x64_sys_bpf+0x3d8/0x510
[  256.833360]  ? bpf_prog_get+0x20/0x20
[  256.837160]  ? do_syscall_64+0x1b9/0x820
[  256.841208]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  256.846564]  ? syscall_return_slowpath+0x5e0/0x5e0
[  256.851484]  ? trace_hardirqs_on_caller+0x310/0x310
[  256.856489]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  256.861495]  ? recalc_sigpending_tsk+0x180/0x180
[  256.866236]  ? kasan_check_write+0x14/0x20
[  256.870461]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  256.875309]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  256.880662] warn_alloc_show_mem: 1 callbacks suppressed
[  256.880671] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  256.880673] Mem-Info:
[  256.880702] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  256.880702]  active_file:16 inactive_file:17 isolated_file:0
[  256.880702]  unevictable:0 dirty:0 writeback:0 unstable:0
[  256.880702]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  256.880702]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  256.880702]  free:13792 free_pcp:309 free_cma:0
[  256.886547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  256.893382] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  256.895768] Call Trace:
[  256.928903] Node 0 
[  256.938247]  dump_stack+0x1c4/0x2b4
[  256.966087] 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
[  256.968638]  ? dump_stack_print_info.cold.2+0x52/0x52
[  256.970848] lowmem_reserve[]: 0
[  256.974473]  warn_alloc.cold.119+0xb7/0x1bd
[  256.999932]  2819 6323
[  257.005110]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  257.008353]  6323
[  257.012658]  ? lock_downgrade+0x900/0x900
[  257.019938]  ? trace_hardirqs_off+0xb8/0x310
[  257.021966] Node 0 
[  257.026095]  ? trace_hardirqs_off+0xb8/0x310
[  257.030495] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  257.032694]  __alloc_pages_slowpath+0x2667/0x2d80
[  257.037065] lowmem_reserve[]:
[  257.064044]  ? warn_alloc+0x120/0x120
[  257.068856]  0
[  257.071951]  ? warn_alloc+0x120/0x120
[  257.075716]  0
[  257.077501]  ? warn_alloc+0x120/0x120
[  257.081268]  3503
[  257.083056]  ? mark_held_locks+0x130/0x130
[  257.086826]  3503
[  257.088876]  ? mark_held_locks+0x130/0x130
[  257.095146]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.099345] Node 0 
[  257.104863]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.104894] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  257.107106]  ? should_fail+0x22d/0xd01
[  257.112610] lowmem_reserve[]:
[  257.141511]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  257.145367]  0
[  257.148454]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.153516]  0 0
[  257.155310]  ? should_fail+0x22d/0xd01
[  257.160812]  0
[  257.162773]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  257.166628] Node 0 
[  257.168416]  ? should_fail+0x22d/0xd01
[  257.173488] DMA: 
[  257.175710]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  257.179565] 1*4kB 
[  257.181614]  ? mark_held_locks+0x130/0x130
[  257.186684] (U) 
[  257.188821]  ? mark_held_locks+0x130/0x130
[  257.193038] 0*8kB 
[  257.195006]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.199213] 0*16kB 
[  257.201348]  ? trace_hardirqs_off+0xb8/0x310
[  257.206853] 1*32kB 
[  257.209069]  ? kasan_check_read+0x11/0x20
[  257.209085]  ? do_raw_spin_unlock+0xa7/0x2f0
[  257.213458] (U) 
[  257.215680]  ? trace_hardirqs_on+0x310/0x310
[  257.219793] 2*64kB 
[  257.224185]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.226129] (U) 
[  257.230530]  ? wq_watchdog_touch+0x9c/0xfe
[  257.232735] 1*128kB 
[  257.238734]  ? io_serial_in+0x11/0x90
[  257.240676] (U) 
[  257.244894]  ? retint_kernel+0x2d/0x2d
[  257.247198] 1*256kB 
[  257.250978]  ? trace_hardirqs_on_caller+0xc0/0x310
[  257.252929] (U) 
[  257.259076]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  257.261364] 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  257.261383] Node 0 DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB
[  257.261436] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB
[  257.261487] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  257.261493] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  257.261496] 4986 total pagecache pages
[  257.261500] 0 pages in swap cache
[  257.261504] Swap cache stats: add 0, delete 0, find 0/0
[  257.261507] Free swap  = 0kB
[  257.261511] Total swap = 0kB
[  257.261515] 1965979 pages RAM
[  257.261519] 0 pages HighMem/MovableOnly
[  257.261522] 342307 pages reserved
[  257.261529] 0 pages cma reserved
[  257.266440]  ? trace_hardirqs_off+0x310/0x310
[  257.268432] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  257.273118]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  257.273141]  __alloc_pages_nodemask+0xa80/0xde0
[  257.279637] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  257.295708]  ? should_fail+0x22d/0xd01
[  257.310412] syz-executor4 cpuset=
[  257.319244]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  257.327781] syz4
[  257.331661]  ? ____cache_alloc_node+0x1c7/0x1e0
[  257.335075]  mems_allowed=0
[  257.340419]  ? lock_downgrade+0x900/0x900
[  257.420724]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.426255]  cache_grow_begin+0x91/0x8c0
[  257.430308]  ? do_raw_spin_unlock+0xa7/0x2f0
[  257.434708]  fallback_alloc+0x203/0x2e0
[  257.438686]  ____cache_alloc_node+0x1c7/0x1e0
[  257.443174]  kmem_cache_alloc_node+0xe3/0x730
[  257.447660]  ? ipv6_get_ifaddr+0x42e/0x620
[  257.459200]  __alloc_skb+0x119/0x770
[  257.463885]  ? skb_scrub_packet+0x490/0x490
[  257.468197]  ? lock_downgrade+0x900/0x900
[  257.472351]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.477880]  ? refcount_sub_and_test_checked+0x203/0x310
[  257.485493]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  257.490934]  ? addrconf_rs_timer+0x690/0x690
[  257.495350]  ndisc_alloc_skb+0x144/0x340
[  257.499400]  ndisc_send_rs+0x331/0x6e0
[  257.503276]  addrconf_rs_timer+0x314/0x690
[  257.507502]  ? lock_release+0x970/0x970
[  257.511464]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.515695]  call_timer_fn+0x272/0x920
[  257.519573]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.523797]  ? process_timeout+0x40/0x40
[  257.528351]  ? kasan_check_read+0x11/0x20
[  257.532497]  ? do_raw_spin_unlock+0xa7/0x2f0
[  257.537353]  ? trace_hardirqs_on+0x310/0x310
[  257.541755]  ? __run_timers+0x7da/0xc70
[  257.545722]  ? lock_downgrade+0x900/0x900
[  257.549864]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  257.554976]  ? trace_hardirqs_on+0xbd/0x310
[  257.559305]  ? kasan_check_read+0x11/0x20
[  257.563464]  ? __run_timers+0x7da/0xc70
[  257.567430]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  257.572960]  ? kasan_check_write+0x14/0x20
[  257.577200]  ? do_raw_spin_lock+0xc1/0x200
[  257.581427]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.585656]  __run_timers+0x7e5/0xc70
[  257.589450]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  257.594797]  ? compat_start_thread+0x80/0x80
[  257.599187]  ? dequeue_entity+0x1770/0x1770
[  257.603501]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.609035]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.614568]  ? kasan_check_write+0x14/0x20
[  257.618791]  ? finish_task_switch+0x2f5/0x900
[  257.623273]  ? __switch_to_asm+0x40/0x70
[  257.627782]  ? preempt_notifier_register+0x200/0x200
[  257.632872]  ? __switch_to_asm+0x34/0x70
[  257.636919]  ? __switch_to_asm+0x40/0x70
[  257.641052]  ? __switch_to_asm+0x34/0x70
[  257.645103]  ? __switch_to_asm+0x40/0x70
[  257.649153]  ? __switch_to_asm+0x34/0x70
[  257.654303]  ? __switch_to_asm+0x40/0x70
[  257.659003]  ? pvclock_read_flags+0x160/0x160
[  257.663507]  ? __schedule+0x874/0x1ed0
[  257.667385]  ? run_rebalance_domains+0x38d/0x500
[  257.672139]  ? trace_hardirqs_on+0xbd/0x310
[  257.676448]  ? kvm_sched_clock_read+0x9/0x20
[  257.680848]  ? run_ksoftirqd+0x94/0x100
[  257.684813]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.690773]  ? check_preemption_disabled+0x48/0x200
[  257.695777]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.701305]  run_timer_softirq+0x52/0xb0
[  257.705354]  ? __this_cpu_preempt_check+0x1c/0x1f
[  257.710188]  __do_softirq+0x30b/0xad8
[  257.713984]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  257.719078]  ? trace_hardirqs_off+0xb8/0x310
[  257.723481]  ? schedule+0x108/0x460
[  257.727101]  ? __schedule+0x1ed0/0x1ed0
[  257.731563]  ? run_ksoftirqd+0x99/0x100
[  257.735528]  ? trace_hardirqs_off+0xb8/0x310
[  257.739924]  ? ___might_sleep+0x1ed/0x300
[  257.744069]  ? smpboot_thread_fn+0x68b/0xa00
[  257.748471]  ? trace_hardirqs_on+0x310/0x310
[  257.752867]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.758394]  ? check_preemption_disabled+0x48/0x200
[  257.763403]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.768930]  ? takeover_tasklets+0xa90/0xa90
[  257.773332]  run_ksoftirqd+0x94/0x100
[  257.777128]  smpboot_thread_fn+0x68b/0xa00
[  257.781354]  ? sort_range+0x30/0x30
[  257.784968]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  257.790061]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.795587]  ? __kthread_parkme+0xfb/0x1a0
[  257.799816]  kthread+0x35a/0x420
[  257.803170]  ? sort_range+0x30/0x30
[  257.806785]  ? kthread_bind+0x40/0x40
[  257.810580]  ret_from_fork+0x3a/0x50
[  257.814291] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  257.814340] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  257.821552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  257.821556] Call Trace:
[  257.821561]  <IRQ>
[  257.821573]  dump_stack+0x1c4/0x2b4
[  257.821589]  ? dump_stack_print_info.cold.2+0x52/0x52
[  257.828098] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  257.837396]  warn_alloc.cold.119+0xb7/0x1bd
[  257.839951] ksoftirqd/1 cpuset=
[  257.842104]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  257.845697] /
[  257.850872]  ? lock_downgrade+0x900/0x900
[  257.863273]  mems_allowed=0
[  257.884588]  ? trace_hardirqs_off+0xb8/0x310
[  257.888994]  ? trace_hardirqs_off+0xb8/0x310
[  257.893399]  __alloc_pages_slowpath+0x2667/0x2d80
[  257.898246]  ? warn_alloc+0x120/0x120
[  257.902036]  ? lock_release+0x970/0x970
[  257.906020]  ? warn_alloc+0x120/0x120
[  257.909810]  ? trace_hardirqs_on+0x310/0x310
[  257.914210]  ? warn_alloc+0x120/0x120
[  257.917999]  ? mark_held_locks+0x130/0x130
[  257.922245]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.927772]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.933297]  ? should_fail+0x22d/0xd01
[  257.937174]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  257.942268]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.947795]  ? should_fail+0x22d/0xd01
[  257.951672]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  257.956762]  ? should_fail+0x22d/0xd01
[  257.960642]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  257.965746]  ? mark_held_locks+0x130/0x130
[  257.969972]  ? mark_held_locks+0x130/0x130
[  257.974197]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.979724]  ? trace_hardirqs_off+0xb8/0x310
[  257.984122]  ? kasan_check_read+0x11/0x20
[  257.988258]  ? do_raw_spin_unlock+0xa7/0x2f0
[  257.992659]  ? trace_hardirqs_on+0x310/0x310
[  257.997059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.002583]  ? wq_watchdog_touch+0x9c/0xfe
[  258.006807]  ? io_serial_in+0x11/0x90
[  258.010599]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.016127]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  258.021238]  __alloc_pages_nodemask+0xa80/0xde0
[  258.025897]  ? should_fail+0x22d/0xd01
[  258.029783]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  258.034797]  ? ____cache_alloc_node+0x1c7/0x1e0
[  258.039459]  ? lock_downgrade+0x900/0x900
[  258.043603]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.049132]  cache_grow_begin+0x91/0x8c0
[  258.053186]  ? do_raw_spin_unlock+0xa7/0x2f0
[  258.057587]  fallback_alloc+0x203/0x2e0
[  258.061557]  ____cache_alloc_node+0x1c7/0x1e0
[  258.066048]  kmem_cache_alloc_node+0xe3/0x730
[  258.070532]  ? ipv6_get_ifaddr+0x42e/0x620
[  258.074761]  __alloc_skb+0x119/0x770
[  258.078467]  ? skb_scrub_packet+0x490/0x490
[  258.082776]  ? lock_downgrade+0x900/0x900
[  258.086925]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.092464]  ? refcount_sub_and_test_checked+0x203/0x310
[  258.097905]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  258.103355]  ? addrconf_rs_timer+0x690/0x690
[  258.107761]  ndisc_alloc_skb+0x144/0x340
[  258.112336]  ndisc_send_rs+0x331/0x6e0
[  258.116218]  addrconf_rs_timer+0x314/0x690
[  258.120444]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.124672]  call_timer_fn+0x272/0x920
[  258.128546]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.132769]  ? process_timeout+0x40/0x40
[  258.136820]  ? trace_hardirqs_off+0xb8/0x310
[  258.141214]  ? kasan_check_read+0x11/0x20
[  258.145358]  ? do_raw_spin_unlock+0xa7/0x2f0
[  258.149751]  ? trace_hardirqs_on+0x310/0x310
[  258.154148]  ? __run_timers+0x7da/0xc70
[  258.158132]  ? lock_downgrade+0x900/0x900
[  258.162271]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  258.167363]  ? trace_hardirqs_on+0xbd/0x310
[  258.171671]  ? kasan_check_read+0x11/0x20
[  258.175911]  ? __run_timers+0x7da/0xc70
[  258.179896]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  258.185347]  ? kasan_check_write+0x14/0x20
[  258.189589]  ? do_raw_spin_lock+0xc1/0x200
[  258.193812]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.198056]  __run_timers+0x7e5/0xc70
[  258.201851]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  258.207289]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  258.212292]  ? timerqueue_add+0x207/0x2b0
[  258.216467]  ? enqueue_hrtimer+0x1a5/0x560
[  258.220693]  ? lock_release+0x970/0x970
[  258.224672]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  258.229851]  ? kasan_check_write+0x14/0x20
[  258.234088]  ? pvclock_read_flags+0x160/0x160
[  258.238572]  ? lock_downgrade+0x900/0x900
[  258.242732]  ? trace_hardirqs_on+0xbd/0x310
[  258.247041]  ? kvm_sched_clock_read+0x9/0x20
[  258.251436]  ? irq_exit+0x17f/0x1c0
[  258.255053]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.260582]  ? check_preemption_disabled+0x48/0x200
[  258.265587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.271115]  run_timer_softirq+0x52/0xb0
[  258.275165]  ? __this_cpu_preempt_check+0x1c/0x1f
[  258.280325]  __do_softirq+0x30b/0xad8
[  258.284116]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  258.289320]  ? pvclock_read_flags+0x160/0x160
[  258.293803]  ? lapic_next_event+0x5a/0x90
[  258.297948]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.303476]  ? clockevents_program_event+0x140/0x370
[  258.308570]  ? kvm_clock_read+0x18/0x30
[  258.312531]  ? kvm_sched_clock_read+0x9/0x20
[  258.316936]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.322466]  ? check_preemption_disabled+0x48/0x200
[  258.327476]  irq_exit+0x17f/0x1c0
[  258.330929]  smp_apic_timer_interrupt+0x1cb/0x760
[  258.335760]  ? smp_reschedule_interrupt+0x109/0x650
[  258.340767]  ? smp_call_function_single_interrupt+0x650/0x650
[  258.346647]  ? interrupt_entry+0xb5/0xf0
[  258.350697]  ? trace_hardirqs_off_caller+0xbb/0x310
[  258.355699]  ? trace_hardirqs_off_caller+0xbb/0x310
[  258.360709]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  258.365542]  ? trace_hardirqs_on_caller+0x310/0x310
[  258.370632]  ? trace_hardirqs_on_caller+0x310/0x310
[  258.375635]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.381161]  ? check_preemption_disabled+0x48/0x200
[  258.386168]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  258.391006]  apic_timer_interrupt+0xf/0x20
[  258.395226]  </IRQ>
[  258.397460] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  258.402383] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  258.421270] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  258.429071] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  258.436328] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  258.443585] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  258.450840] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  258.459237] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  258.466597]  ? trace_hardirqs_on+0xb4/0x310
[  258.473139]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.478689]  skb_clone+0x1bb/0x500
[  258.482239]  ? finish_task_switch+0x2f5/0x900
[  258.486722]  ? skb_split+0x11e0/0x11e0
[  258.490605]  ? preempt_notifier_register+0x200/0x200
[  258.495703]  ? __switch_to_asm+0x34/0x70
[  258.499756]  ? __switch_to_asm+0x34/0x70
[  258.503803]  ? __switch_to_asm+0x40/0x70
[  258.507854]  ? __switch_to_asm+0x34/0x70
[  258.511912]  ? __switch_to_asm+0x40/0x70
[  258.515977]  ? __switch_to_asm+0x34/0x70
[  258.520025]  ? __switch_to_asm+0x40/0x70
[  258.524074]  ? __switch_to_asm+0x34/0x70
[  258.528123]  ? __switch_to_asm+0x34/0x70
[  258.532176]  ? __switch_to_asm+0x40/0x70
[  258.536222]  ? __switch_to_asm+0x34/0x70
[  258.540295]  bpf_clone_redirect+0xb9/0x490
[  258.544539]  ? __schedule+0x874/0x1ed0
[  258.548418]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  258.553337]  ? __sched_text_start+0x8/0x8
[  258.557486]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  258.562233]  ? retint_kernel+0x2d/0x2d
[  258.566114]  ? lock_acquire+0x1ed/0x520
[  258.570080]  ? bpf_test_run+0x32e/0x5a0
[  258.574051]  ? lock_release+0x970/0x970
[  258.578015]  ? preempt_schedule+0x4d/0x60
[  258.582153]  ? preempt_schedule_common+0x1f/0xd0
[  258.586908]  ? preempt_schedule+0x4d/0x60
[  258.591044]  ? ___preempt_schedule+0x16/0x18
[  258.595442]  ? bpf_test_run+0x1c0/0x5a0
[  258.599408]  ? netlink_diag_dump+0x2a0/0x2a0
[  258.603810]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.609422]  ? bpf_test_init.isra.9+0x70/0x100
[  258.613994]  ? bpf_prog_test_run_skb+0x634/0xb40
[  258.618760]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  258.623592]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  258.629115]  ? fput+0x130/0x1a0
[  258.632384]  ? __bpf_prog_get+0x9b/0x290
[  258.636433]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  258.641264]  ? bpf_prog_test_run+0x130/0x1a0
[  258.645659]  ? __x64_sys_bpf+0x3d8/0x510
[  258.649708]  ? bpf_prog_get+0x20/0x20
[  258.653506]  ? do_syscall_64+0x1b9/0x820
[  258.657555]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  258.662912]  ? syscall_return_slowpath+0x5e0/0x5e0
[  258.667836]  ? trace_hardirqs_on_caller+0x310/0x310
[  258.672849]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  258.677872]  ? recalc_sigpending_tsk+0x180/0x180
[  258.682618]  ? kasan_check_write+0x14/0x20
[  258.686844]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  258.691691]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  258.697052] warn_alloc_show_mem: 1 callbacks suppressed
[  258.697061] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  258.697062] Mem-Info:
[  258.697091] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  258.697091]  active_file:16 inactive_file:17 isolated_file:0
[  258.697091]  unevictable:0 dirty:0 writeback:0 unstable:0
[  258.697091]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  258.697091]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  258.697091]  free:13792 free_pcp:309 free_cma:0
[  258.702423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  258.709244] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  258.709247] 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
[  258.709266] lowmem_reserve[]: 0 2819 6323 6323
[  258.709278] Node 0 DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  258.709297] lowmem_reserve[]: 0 0 3503 3503
[  258.709308] Node 0 Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  258.709328] lowmem_reserve[]: 0 0 0 0
[  258.709338] 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
[  258.709387] Node 0 DMA32: 6*4kB (UME) 2*8kB (UE) 
[  258.711812] Call Trace:
[  258.744833] 4*16kB (UME) 
[  258.754736]  dump_stack+0x1c4/0x2b4
[  258.782559] 4*32kB 
[  258.808669]  ? dump_stack_print_info.cold.2+0x52/0x52
[  258.813228] (UME) 
[  258.842868]  warn_alloc.cold.119+0xb7/0x1bd
[  258.847163] 5*64kB 
[  258.876122]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  258.879894] (ME) 
[  258.893402]  ? lock_downgrade+0x900/0x900
[  258.898214] 5*128kB 
[  258.900785]  ? trace_hardirqs_off+0xb8/0x310
[  258.903511] (UME) 
[  258.907128]  ? trace_hardirqs_off+0xb8/0x310
[  258.909328] 4*256kB 
[  258.914500]  __alloc_pages_slowpath+0x2667/0x2d80
[  258.916617] (ME) 
[  258.920936]  ? warn_alloc+0x120/0x120
[  258.923131] 5*512kB 
[  258.927957]  ? warn_alloc+0x120/0x120
[  258.929986] (UME) 
[  258.934122]  ? warn_alloc+0x120/0x120
[  258.936411] 4*1024kB 
[  258.940801]  ? mark_held_locks+0x130/0x130
[  258.942917] (UME) 
[  258.947310]  ? mark_held_locks+0x130/0x130
[  258.949602] 2*2048kB 
[  258.954836]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.956876] (ME) 
[  258.960659]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.962953] 3*4096kB 
[  258.966737]  ? should_fail+0x22d/0xd01
[  258.968858] (M) 
[  258.972641]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  258.975019] = 25256kB
[  258.979237]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.981359] Node 0 
[  258.985579]  ? should_fail+0x22d/0xd01
[  258.987961] Normal: 
[  258.993481]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  258.995515] 1063*4kB 
[  259.002854]  ? should_fail+0x22d/0xd01
[  259.005237] (UMEH) 
[  259.009109]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  259.011050] 420*8kB 
[  259.016136]  ? mark_held_locks+0x130/0x130
[  259.018516] (UME) 
[  259.024039]  ? mark_held_locks+0x130/0x130
[  259.026243] 170*16kB 
[  259.030110]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.032401] (UMEH) 
[  259.037696]  ? trace_hardirqs_off+0xb8/0x310
[  259.040076] 65*32kB 
[  259.043944]  ? kasan_check_read+0x11/0x20
[  259.046148] (UME) 
[  259.051234]  ? do_raw_spin_unlock+0xa7/0x2f0
[  259.053636] 9*64kB (UM) 
[  259.057870]  ? trace_hardirqs_on+0x310/0x310
[  259.059989] 0*128kB 
[  259.064204]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.066585] 0*256kB 
[  259.072107]  ? wq_watchdog_touch+0x9c/0xfe
[  259.074313] 0*512kB 
[  259.078703]  ? io_serial_in+0x11/0x90
[  259.080995] 1*1024kB 
[  259.085127]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.087244] (H) 
[  259.091646]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  259.094285] 0*2048kB 
[  259.098677]  __alloc_pages_nodemask+0xa80/0xde0
[  259.100966] 0*4096kB 
[  259.106486]  ? should_fail+0x22d/0xd01
[  259.108780] = 14012kB
[  259.113000]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  259.115300] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  259.119089]  ? ____cache_alloc_node+0x1c7/0x1e0
[  259.121469] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  259.126985]  ? lock_downgrade+0x900/0x900
[  259.128933] 4986 total pagecache pages
[  259.134031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.136409] 0 pages in swap cache
[  259.141063]  cache_grow_begin+0x91/0x8c0
[  259.143445] Swap cache stats: add 0, delete 0, find 0/0
[  259.147313]  ? do_raw_spin_unlock+0xa7/0x2f0
[  259.149694] Free swap  = 0kB
[  259.154692]  fallback_alloc+0x203/0x2e0
[  259.163492] Total swap = 0kB
[  259.163499] 1965979 pages RAM
[  259.168283]  ____cache_alloc_node+0x1c7/0x1e0
[  259.176827] 0 pages HighMem/MovableOnly
[  259.176834] 342307 pages reserved
[  259.180968]  kmem_cache_alloc_node+0xe3/0x730
[  259.184828] 0 pages cma reserved
[  259.190359]  ? ipv6_get_ifaddr+0x42e/0x620
[  259.193833] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  259.197833]  __alloc_skb+0x119/0x770
[  259.203224] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  259.208929]  ? skb_scrub_packet+0x490/0x490
[  259.211930] syz-executor4 cpuset=
[  259.215892]  ? lock_downgrade+0x900/0x900
[  259.218880] syz4
[  259.221972]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.226428]  mems_allowed=0
[  259.289687]  ? refcount_sub_and_test_checked+0x203/0x310
[  259.295128]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  259.300573]  ? addrconf_rs_timer+0x690/0x690
[  259.304978]  ndisc_alloc_skb+0x144/0x340
[  259.309573]  ndisc_send_rs+0x331/0x6e0
[  259.313451]  addrconf_rs_timer+0x314/0x690
[  259.317673]  ? lock_release+0x970/0x970
[  259.321639]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.325872]  call_timer_fn+0x272/0x920
[  259.329751]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.333976]  ? process_timeout+0x40/0x40
[  259.338031]  ? kasan_check_read+0x11/0x20
[  259.342168]  ? do_raw_spin_unlock+0xa7/0x2f0
[  259.346780]  ? trace_hardirqs_on+0x310/0x310
[  259.351187]  ? __run_timers+0x7da/0xc70
[  259.355151]  ? lock_downgrade+0x900/0x900
[  259.359292]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  259.364387]  ? trace_hardirqs_on+0xbd/0x310
[  259.369158]  ? kasan_check_read+0x11/0x20
[  259.373293]  ? __run_timers+0x7da/0xc70
[  259.379135]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  259.386470]  ? kasan_check_write+0x14/0x20
[  259.390693]  ? do_raw_spin_lock+0xc1/0x200
[  259.394916]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.399237]  __run_timers+0x7e5/0xc70
[  259.403035]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  259.408386]  ? compat_start_thread+0x80/0x80
[  259.412780]  ? dequeue_entity+0x1770/0x1770
[  259.417095]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.422619]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.428146]  ? kasan_check_write+0x14/0x20
[  259.432369]  ? finish_task_switch+0x2f5/0x900
[  259.436855]  ? __switch_to_asm+0x40/0x70
[  259.440911]  ? preempt_notifier_register+0x200/0x200
[  259.446002]  ? __switch_to_asm+0x34/0x70
[  259.450050]  ? __switch_to_asm+0x40/0x70
[  259.455596]  ? __switch_to_asm+0x34/0x70
[  259.459645]  ? __switch_to_asm+0x40/0x70
[  259.463695]  ? __switch_to_asm+0x34/0x70
[  259.467745]  ? __switch_to_asm+0x40/0x70
[  259.478771]  ? pvclock_read_flags+0x160/0x160
[  259.483273]  ? __schedule+0x874/0x1ed0
[  259.487149]  ? run_rebalance_domains+0x38d/0x500
[  259.491899]  ? trace_hardirqs_on+0xbd/0x310
[  259.496211]  ? kvm_sched_clock_read+0x9/0x20
[  259.500607]  ? run_ksoftirqd+0x94/0x100
[  259.504571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.510098]  ? check_preemption_disabled+0x48/0x200
[  259.515107]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.520637]  run_timer_softirq+0x52/0xb0
[  259.524692]  ? __this_cpu_preempt_check+0x1c/0x1f
[  259.529526]  __do_softirq+0x30b/0xad8
[  259.533326]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  259.538933]  ? trace_hardirqs_off+0xb8/0x310
[  259.543355]  ? schedule+0x108/0x460
[  259.546976]  ? __schedule+0x1ed0/0x1ed0
[  259.551325]  ? run_ksoftirqd+0x99/0x100
[  259.555288]  ? trace_hardirqs_off+0xb8/0x310
[  259.559690]  ? ___might_sleep+0x1ed/0x300
[  259.564148]  ? smpboot_thread_fn+0x68b/0xa00
[  259.569329]  ? trace_hardirqs_on+0x310/0x310
[  259.575572]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.583184]  ? check_preemption_disabled+0x48/0x200
[  259.590536]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.596065]  ? takeover_tasklets+0xa90/0xa90
[  259.600931]  run_ksoftirqd+0x94/0x100
[  259.604721]  smpboot_thread_fn+0x68b/0xa00
[  259.608950]  ? sort_range+0x30/0x30
[  259.612581]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  259.617672]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.623197]  ? __kthread_parkme+0xfb/0x1a0
[  259.627427]  kthread+0x35a/0x420
[  259.630779]  ? sort_range+0x30/0x30
[  259.634402]  ? kthread_bind+0x40/0x40
[  259.638192]  ret_from_fork+0x3a/0x50
[  259.641908] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  259.641957] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  259.649177] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  259.655706] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  259.664980] Call Trace:
[  259.675769] ksoftirqd/1 cpuset=
[  259.678331]  <IRQ>
[  259.678333] / mems_allowed=0
[  259.681602]  dump_stack+0x1c4/0x2b4
[  259.690350]  ? dump_stack_print_info.cold.2+0x52/0x52
[  259.695541]  warn_alloc.cold.119+0xb7/0x1bd
[  259.699857]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  259.704689]  ? lock_downgrade+0x900/0x900
[  259.708843]  ? trace_hardirqs_off+0xb8/0x310
[  259.713242]  ? trace_hardirqs_off+0xb8/0x310
[  259.717645]  __alloc_pages_slowpath+0x2667/0x2d80
[  259.722494]  ? warn_alloc+0x120/0x120
[  259.726283]  ? trace_hardirqs_on+0x310/0x310
[  259.730685]  ? warn_alloc+0x120/0x120
[  259.734663]  ? warn_alloc+0x120/0x120
[  259.738448]  ? ktime_get+0x2e1/0x440
[  259.742169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.747698]  ? check_preemption_disabled+0x48/0x200
[  259.752704]  ? kasan_check_read+0x11/0x20
[  259.756842]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.762370]  ? should_fail+0x22d/0xd01
[  259.766248]  ? rcu_bh_qs+0xc0/0xc0
[  259.769785]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  259.774884]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.780410]  ? should_fail+0x22d/0xd01
[  259.784294]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  259.789387]  ? should_fail+0x22d/0xd01
[  259.793267]  ? rcu_idle_enter+0x4b0/0x4b0
[  259.797404]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  259.802496]  ? mark_held_locks+0x130/0x130
[  259.806722]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.812250]  ? mark_held_locks+0x130/0x130
[  259.816475]  ? rcu_irq_exit+0xce/0x100
[  259.820351]  ? irq_exit+0xbd/0x1c0
[  259.823889]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  259.828898]  ? do_raw_spin_unlock+0xa7/0x2f0
[  259.833297]  ? smp_call_function_single_interrupt+0x650/0x650
[  259.839171]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.844693]  ? ret_from_intr+0xb/0x1e
[  259.848482]  ? retint_kernel+0x2d/0x2d
[  259.852358]  ? trace_hardirqs_on_caller+0xc0/0x310
[  259.857277]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  259.862030]  ? trace_hardirqs_off+0x310/0x310
[  259.866517]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  259.871618]  __alloc_pages_nodemask+0xa80/0xde0
[  259.876276]  ? should_fail+0x22d/0xd01
[  259.880161]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  259.885178]  ? ____cache_alloc_node+0x1c7/0x1e0
[  259.889835]  ? lock_downgrade+0x900/0x900
[  259.893978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.899507]  cache_grow_begin+0x91/0x8c0
[  259.909902]  ? do_raw_spin_unlock+0xa7/0x2f0
[  259.914306]  fallback_alloc+0x203/0x2e0
[  259.918301]  ____cache_alloc_node+0x1c7/0x1e0
[  259.922812]  kmem_cache_alloc_node+0xe3/0x730
[  259.927323]  ? ipv6_get_ifaddr+0x42e/0x620
[  259.931554]  __alloc_skb+0x119/0x770
[  259.935258]  ? skb_scrub_packet+0x490/0x490
[  259.939567]  ? lock_downgrade+0x900/0x900
[  259.943711]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.949237]  ? refcount_sub_and_test_checked+0x203/0x310
[  259.954676]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  259.960117]  ? addrconf_rs_timer+0x690/0x690
[  259.964522]  ndisc_alloc_skb+0x144/0x340
[  259.968575]  ndisc_send_rs+0x331/0x6e0
[  259.972456]  addrconf_rs_timer+0x314/0x690
[  259.976687]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.980919]  call_timer_fn+0x272/0x920
[  259.984802]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.989026]  ? process_timeout+0x40/0x40
[  259.993073]  ? trace_hardirqs_off+0xb8/0x310
[  259.997467]  ? kasan_check_read+0x11/0x20
[  260.001605]  ? do_raw_spin_unlock+0xa7/0x2f0
[  260.006002]  ? trace_hardirqs_on+0x310/0x310
[  260.010402]  ? __run_timers+0x7da/0xc70
[  260.014542]  ? lock_downgrade+0x900/0x900
[  260.019290]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  260.024385]  ? trace_hardirqs_on+0xbd/0x310
[  260.028694]  ? kasan_check_read+0x11/0x20
[  260.032833]  ? __run_timers+0x7da/0xc70
[  260.036802]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  260.042242]  ? kasan_check_write+0x14/0x20
[  260.046466]  ? do_raw_spin_lock+0xc1/0x200
[  260.051303]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.055529]  __run_timers+0x7e5/0xc70
[  260.059360]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  260.064716]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  260.069729]  ? timerqueue_add+0x207/0x2b0
[  260.073878]  ? enqueue_hrtimer+0x1a5/0x560
[  260.078104]  ? lock_release+0x970/0x970
[  260.082069]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  260.087251]  ? kasan_check_write+0x14/0x20
[  260.091482]  ? pvclock_read_flags+0x160/0x160
[  260.095968]  ? lock_downgrade+0x900/0x900
[  260.100110]  ? trace_hardirqs_on+0xbd/0x310
[  260.104425]  ? kvm_sched_clock_read+0x9/0x20
[  260.108825]  ? irq_exit+0x17f/0x1c0
[  260.112944]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.118474]  ? check_preemption_disabled+0x48/0x200
[  260.123477]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.129180]  run_timer_softirq+0x52/0xb0
[  260.133233]  ? __this_cpu_preempt_check+0x1c/0x1f
[  260.138065]  __do_softirq+0x30b/0xad8
[  260.141864]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  260.147058]  ? pvclock_read_flags+0x160/0x160
[  260.151541]  ? lapic_next_event+0x5a/0x90
[  260.155682]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.161211]  ? clockevents_program_event+0x140/0x370
[  260.166306]  ? kvm_clock_read+0x18/0x30
[  260.170268]  ? kvm_sched_clock_read+0x9/0x20
[  260.174665]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.180194]  ? check_preemption_disabled+0x48/0x200
[  260.185206]  irq_exit+0x17f/0x1c0
[  260.188650]  smp_apic_timer_interrupt+0x1cb/0x760
[  260.193481]  ? smp_reschedule_interrupt+0x109/0x650
[  260.198486]  ? smp_call_function_single_interrupt+0x650/0x650
[  260.204360]  ? interrupt_entry+0xb5/0xf0
[  260.208412]  ? trace_hardirqs_off_caller+0xbb/0x310
[  260.213417]  ? trace_hardirqs_off_caller+0xbb/0x310
[  260.218423]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.223258]  ? trace_hardirqs_on_caller+0x310/0x310
[  260.228264]  ? trace_hardirqs_on_caller+0x310/0x310
[  260.233291]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.238818]  ? check_preemption_disabled+0x48/0x200
[  260.243828]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.248661]  apic_timer_interrupt+0xf/0x20
[  260.253044]  </IRQ>
[  260.255331] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  260.260249] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  260.281428] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  260.289389] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  260.299165] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  260.307293] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  260.314552] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  260.321811] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  260.329086]  ? trace_hardirqs_on+0xb4/0x310
[  260.333407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.338940]  skb_clone+0x1bb/0x500
[  260.342470]  ? finish_task_switch+0x2f5/0x900
[  260.346953]  ? skb_split+0x11e0/0x11e0
[  260.350835]  ? preempt_notifier_register+0x200/0x200
[  260.355925]  ? __switch_to_asm+0x34/0x70
[  260.359973]  ? __switch_to_asm+0x34/0x70
[  260.364022]  ? __switch_to_asm+0x40/0x70
[  260.368070]  ? __switch_to_asm+0x34/0x70
[  260.372117]  ? __switch_to_asm+0x40/0x70
[  260.376164]  ? __switch_to_asm+0x34/0x70
[  260.380214]  ? __switch_to_asm+0x40/0x70
[  260.384259]  ? __switch_to_asm+0x34/0x70
[  260.388306]  ? __switch_to_asm+0x34/0x70
[  260.392353]  ? __switch_to_asm+0x40/0x70
[  260.396400]  ? __switch_to_asm+0x34/0x70
[  260.400452]  bpf_clone_redirect+0xb9/0x490
[  260.404681]  ? __schedule+0x874/0x1ed0
[  260.408561]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  260.413482]  ? __sched_text_start+0x8/0x8
[  260.417620]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  260.422370]  ? retint_kernel+0x2d/0x2d
[  260.426251]  ? lock_acquire+0x1ed/0x520
[  260.430212]  ? bpf_test_run+0x32e/0x5a0
[  260.434181]  ? lock_release+0x970/0x970
[  260.438142]  ? preempt_schedule+0x4d/0x60
[  260.442282]  ? preempt_schedule_common+0x1f/0xd0
[  260.447024]  ? preempt_schedule+0x4d/0x60
[  260.453510]  ? ___preempt_schedule+0x16/0x18
[  260.457910]  ? bpf_test_run+0x1c0/0x5a0
[  260.461874]  ? netlink_diag_dump+0x2a0/0x2a0
[  260.466294]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.471819]  ? bpf_test_init.isra.9+0x70/0x100
[  260.476395]  ? bpf_prog_test_run_skb+0x634/0xb40
[  260.481141]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  260.485972]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  260.491500]  ? fput+0x130/0x1a0
[  260.494767]  ? __bpf_prog_get+0x9b/0x290
[  260.498819]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  260.503647]  ? bpf_prog_test_run+0x130/0x1a0
[  260.508044]  ? __x64_sys_bpf+0x3d8/0x510
[  260.512782]  ? bpf_prog_get+0x20/0x20
[  260.516582]  ? do_syscall_64+0x1b9/0x820
[  260.520634]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  260.525987]  ? syscall_return_slowpath+0x5e0/0x5e0
[  260.530922]  ? trace_hardirqs_on_caller+0x310/0x310
[  260.535929]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  260.540936]  ? recalc_sigpending_tsk+0x180/0x180
[  260.545940]  ? kasan_check_write+0x14/0x20
[  260.550168]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.555004]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  260.560378] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  260.560382] warn_alloc_show_mem: 1 callbacks suppressed
[  260.560388] Mem-Info:
[  260.567212] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  260.572570] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  260.572570]  active_file:16 inactive_file:17 isolated_file:0
[  260.572570]  unevictable:0 dirty:0 writeback:0 unstable:0
[  260.572570]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  260.572570]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  260.572570]  free:13792 free_pcp:309 free_cma:0
[  260.575403] Call Trace:
[  260.584775] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  260.619385]  dump_stack+0x1c4/0x2b4
[  260.621929] 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
[  260.621949] lowmem_reserve[]: 0 2819 6323 6323
[  260.621959] Node 0 DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  260.621978] lowmem_reserve[]: 0 0 3503 3503
[  260.621988] Node 0 Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  260.622007] lowmem_reserve[]: 0 0 0 0
[  260.622017] 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
[  260.622063] Node 0 DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB
[  260.622114] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB
[  260.622162] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  260.622168] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  260.622171] 4986 total pagecache pages
[  260.622174] 0 pages in swap cache
[  260.622179] Swap cache stats: add 0, delete 0, find 0/0
[  260.622181] Free swap  = 0kB
[  260.622183] Total swap = 0kB
[  260.622186] 1965979 pages RAM
[  260.622188] 0 pages HighMem/MovableOnly
[  260.622190] 342307 pages reserved
[  260.622192] 0 pages cma reserved
[  260.622237] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  260.622282] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  260.650080]  ? dump_stack_print_info.cold.2+0x52/0x52
[  260.653672] syz-executor4 cpuset=
[  260.680720]  warn_alloc.cold.119+0xb7/0x1bd
[  260.688146] syz4
[  260.718142]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  260.722432]  mems_allowed=0
[  260.753035]  ? lock_downgrade+0x900/0x900
[  260.897095]  ? trace_hardirqs_off+0xb8/0x310
[  260.901498]  ? trace_hardirqs_off+0xb8/0x310
[  260.905901]  __alloc_pages_slowpath+0x2667/0x2d80
[  260.910751]  ? warn_alloc+0x120/0x120
[  260.914545]  ? warn_alloc+0x120/0x120
[  260.918335]  ? warn_alloc+0x120/0x120
[  260.922142]  ? mark_held_locks+0x130/0x130
[  260.926366]  ? mark_held_locks+0x130/0x130
[  260.930589]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.936115]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.941644]  ? should_fail+0x22d/0xd01
[  260.945537]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  260.950626]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.956156]  ? should_fail+0x22d/0xd01
[  260.960037]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  260.965125]  ? should_fail+0x22d/0xd01
[  260.969008]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  260.974103]  ? mark_held_locks+0x130/0x130
[  260.978327]  ? mark_held_locks+0x130/0x130
[  260.983081]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.988614]  ? trace_hardirqs_off+0xb8/0x310
[  260.993012]  ? kasan_check_read+0x11/0x20
[  260.997150]  ? do_raw_spin_unlock+0xa7/0x2f0
[  261.002058]  ? trace_hardirqs_on+0x310/0x310
[  261.006461]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.011991]  ? wq_watchdog_touch+0x9c/0xfe
[  261.016222]  ? io_serial_in+0x11/0x90
[  261.020016]  ? retint_kernel+0x2d/0x2d
[  261.024770]  ? trace_hardirqs_on_caller+0xc0/0x310
[  261.029705]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  261.034452]  ? trace_hardirqs_off+0x310/0x310
[  261.038936]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  261.044036]  __alloc_pages_nodemask+0xa80/0xde0
[  261.048700]  ? should_fail+0x22d/0xd01
[  261.052583]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  261.057602]  ? ____cache_alloc_node+0x1c7/0x1e0
[  261.062262]  ? lock_downgrade+0x900/0x900
[  261.066413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.071943]  cache_grow_begin+0x91/0x8c0
[  261.075994]  ? do_raw_spin_unlock+0xa7/0x2f0
[  261.080399]  fallback_alloc+0x203/0x2e0
[  261.084884]  ____cache_alloc_node+0x1c7/0x1e0
[  261.089377]  kmem_cache_alloc_node+0xe3/0x730
[  261.093866]  ? ipv6_get_ifaddr+0x42e/0x620
[  261.098094]  __alloc_skb+0x119/0x770
[  261.101812]  ? skb_scrub_packet+0x490/0x490
[  261.106121]  ? lock_downgrade+0x900/0x900
[  261.110269]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.115799]  ? refcount_sub_and_test_checked+0x203/0x310
[  261.121243]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  261.126692]  ? addrconf_rs_timer+0x690/0x690
[  261.131097]  ndisc_alloc_skb+0x144/0x340
[  261.135154]  ndisc_send_rs+0x331/0x6e0
[  261.139037]  addrconf_rs_timer+0x314/0x690
[  261.143258]  ? lock_release+0x970/0x970
[  261.147227]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.151469]  call_timer_fn+0x272/0x920
[  261.155349]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.159573]  ? process_timeout+0x40/0x40
[  261.163618]  ? kasan_check_read+0x11/0x20
[  261.168222]  ? do_raw_spin_unlock+0xa7/0x2f0
[  261.172621]  ? trace_hardirqs_on+0x310/0x310
[  261.177019]  ? __run_timers+0x7da/0xc70
[  261.180986]  ? lock_downgrade+0x900/0x900
[  261.185668]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  261.190763]  ? trace_hardirqs_on+0xbd/0x310
[  261.195075]  ? kasan_check_read+0x11/0x20
[  261.199216]  ? __run_timers+0x7da/0xc70
[  261.203187]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  261.208625]  ? kasan_check_write+0x14/0x20
[  261.212856]  ? do_raw_spin_lock+0xc1/0x200
[  261.219238]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.225286]  __run_timers+0x7e5/0xc70
[  261.229351]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  261.234702]  ? compat_start_thread+0x80/0x80
[  261.239098]  ? dequeue_entity+0x1770/0x1770
[  261.243410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.248939]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.254469]  ? kasan_check_write+0x14/0x20
[  261.259569]  ? finish_task_switch+0x2f5/0x900
[  261.264050]  ? __switch_to_asm+0x40/0x70
[  261.268102]  ? preempt_notifier_register+0x200/0x200
[  261.273200]  ? __switch_to_asm+0x34/0x70
[  261.277248]  ? __switch_to_asm+0x40/0x70
[  261.281298]  ? __switch_to_asm+0x34/0x70
[  261.285448]  ? __switch_to_asm+0x40/0x70
[  261.289495]  ? __switch_to_asm+0x34/0x70
[  261.293542]  ? __switch_to_asm+0x40/0x70
[  261.297598]  ? pvclock_read_flags+0x160/0x160
[  261.302088]  ? __schedule+0x874/0x1ed0
[  261.305968]  ? run_rebalance_domains+0x38d/0x500
[  261.311209]  ? trace_hardirqs_on+0xbd/0x310
[  261.315520]  ? kvm_sched_clock_read+0x9/0x20
[  261.319918]  ? run_ksoftirqd+0x94/0x100
[  261.323886]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.329867]  ? check_preemption_disabled+0x48/0x200
[  261.334871]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.340402]  run_timer_softirq+0x52/0xb0
[  261.344452]  ? __this_cpu_preempt_check+0x1c/0x1f
[  261.349300]  __do_softirq+0x30b/0xad8
[  261.353563]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  261.358661]  ? trace_hardirqs_off+0xb8/0x310
[  261.363064]  ? schedule+0x108/0x460
[  261.367187]  ? __schedule+0x1ed0/0x1ed0
[  261.374245]  ? run_ksoftirqd+0x99/0x100
[  261.378210]  ? trace_hardirqs_off+0xb8/0x310
[  261.382609]  ? ___might_sleep+0x1ed/0x300
[  261.386754]  ? smpboot_thread_fn+0x68b/0xa00
[  261.391650]  ? trace_hardirqs_on+0x310/0x310
[  261.396055]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.401588]  ? check_preemption_disabled+0x48/0x200
[  261.406594]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.412384]  ? takeover_tasklets+0xa90/0xa90
[  261.418377]  run_ksoftirqd+0x94/0x100
[  261.423035]  smpboot_thread_fn+0x68b/0xa00
[  261.427519]  ? sort_range+0x30/0x30
[  261.431138]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  261.436236]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.441768]  ? __kthread_parkme+0xfb/0x1a0
[  261.445995]  kthread+0x35a/0x420
[  261.449350]  ? sort_range+0x30/0x30
[  261.455701]  ? kthread_bind+0x40/0x40
[  261.459494]  ret_from_fork+0x3a/0x50
[  261.463212] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  261.463265] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  261.470476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  261.470480] Call Trace:
[  261.470486]  <IRQ>
[  261.470499]  dump_stack+0x1c4/0x2b4
[  261.470516]  ? dump_stack_print_info.cold.2+0x52/0x52
[  261.478008] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  261.487325]  warn_alloc.cold.119+0xb7/0x1bd
[  261.491387] ksoftirqd/1 cpuset=
[  261.493528]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  261.497120] /
[  261.502294]  ? lock_downgrade+0x900/0x900
[  261.514102]  mems_allowed=0
[  261.518415]  ? trace_hardirqs_off+0xb8/0x310
[  261.541604]  ? trace_hardirqs_off+0xb8/0x310
[  261.546011]  __alloc_pages_slowpath+0x2667/0x2d80
[  261.550858]  ? warn_alloc+0x120/0x120
[  261.554657]  ? warn_alloc+0x120/0x120
[  261.558448]  ? warn_alloc+0x120/0x120
[  261.562235]  ? lock_release+0x970/0x970
[  261.566219]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  261.571401]  ? trace_hardirqs_on+0x310/0x310
[  261.575804]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.581329]  ? should_fail+0x22d/0xd01
[  261.585209]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  261.590299]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.595823]  ? should_fail+0x22d/0xd01
[  261.599704]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  261.604797]  ? should_fail+0x22d/0xd01
[  261.608676]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  261.613769]  ? mark_held_locks+0x130/0x130
[  261.618010]  ? mark_held_locks+0x130/0x130
[  261.622239]  ? kvm_clock_read+0x18/0x30
[  261.626212]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  261.631220]  ? ktime_get+0x2e1/0x440
[  261.635183]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.641468]  ? check_preemption_disabled+0x48/0x200
[  261.646475]  ? kasan_check_read+0x11/0x20
[  261.650644]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  261.655913]  ? rcu_bh_qs+0xc0/0xc0
[  261.659447]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.664976]  ? check_preemption_disabled+0x48/0x200
[  261.669981]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  261.674985]  ? widen_string+0xe0/0x2e0
[  261.678884]  __alloc_pages_nodemask+0xa80/0xde0
[  261.683562]  ? should_fail+0x22d/0xd01
[  261.687478]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  261.692503]  ? ____cache_alloc_node+0x1c7/0x1e0
[  261.697165]  ? lock_downgrade+0x900/0x900
[  261.701307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.706835]  cache_grow_begin+0x91/0x8c0
[  261.710887]  ? do_raw_spin_unlock+0xa7/0x2f0
[  261.715292]  fallback_alloc+0x203/0x2e0
[  261.719260]  ____cache_alloc_node+0x1c7/0x1e0
[  261.723752]  kmem_cache_alloc_node+0xe3/0x730
[  261.728241]  ? ipv6_get_ifaddr+0x42e/0x620
[  261.732470]  __alloc_skb+0x119/0x770
[  261.736175]  ? skb_scrub_packet+0x490/0x490
[  261.740485]  ? lock_downgrade+0x900/0x900
[  261.744634]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.750165]  ? refcount_sub_and_test_checked+0x203/0x310
[  261.755619]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  261.761063]  ? addrconf_rs_timer+0x690/0x690
[  261.765472]  ndisc_alloc_skb+0x144/0x340
[  261.769526]  ndisc_send_rs+0x331/0x6e0
[  261.773409]  addrconf_rs_timer+0x314/0x690
[  261.777747]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.781972]  call_timer_fn+0x272/0x920
[  261.785853]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.790083]  ? process_timeout+0x40/0x40
[  261.794134]  ? trace_hardirqs_off+0xb8/0x310
[  261.798533]  ? kasan_check_read+0x11/0x20
[  261.802762]  ? do_raw_spin_unlock+0xa7/0x2f0
[  261.807159]  ? trace_hardirqs_on+0x310/0x310
[  261.811557]  ? __run_timers+0x7da/0xc70
[  261.815524]  ? lock_downgrade+0x900/0x900
[  261.819666]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  261.824768]  ? trace_hardirqs_on+0xbd/0x310
[  261.829091]  ? kasan_check_read+0x11/0x20
[  261.833230]  ? __run_timers+0x7da/0xc70
[  261.837199]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  261.842644]  ? kasan_check_write+0x14/0x20
[  261.846870]  ? do_raw_spin_lock+0xc1/0x200
[  261.851125]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.855369]  __run_timers+0x7e5/0xc70
[  261.859171]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  261.864540]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  261.869547]  ? timerqueue_add+0x207/0x2b0
[  261.873698]  ? enqueue_hrtimer+0x1a5/0x560
[  261.877922]  ? lock_release+0x970/0x970
[  261.881886]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  261.887070]  ? kasan_check_write+0x14/0x20
[  261.891298]  ? pvclock_read_flags+0x160/0x160
[  261.895784]  ? lock_downgrade+0x900/0x900
[  261.900043]  ? trace_hardirqs_on+0xbd/0x310
[  261.904401]  ? kvm_sched_clock_read+0x9/0x20
[  261.908802]  ? irq_exit+0x17f/0x1c0
[  261.912420]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.917946]  ? check_preemption_disabled+0x48/0x200
[  261.922954]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.928499]  run_timer_softirq+0x52/0xb0
[  261.932551]  ? __this_cpu_preempt_check+0x1c/0x1f
[  261.937470]  __do_softirq+0x30b/0xad8
[  261.941264]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  261.946358]  ? pvclock_read_flags+0x160/0x160
[  261.950844]  ? lapic_next_event+0x5a/0x90
[  261.954981]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.960506]  ? clockevents_program_event+0x140/0x370
[  261.965616]  ? kvm_clock_read+0x18/0x30
[  261.969581]  ? kvm_sched_clock_read+0x9/0x20
[  261.973990]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.979536]  ? check_preemption_disabled+0x48/0x200
[  261.984550]  irq_exit+0x17f/0x1c0
[  261.987997]  smp_apic_timer_interrupt+0x1cb/0x760
[  261.992831]  ? smp_reschedule_interrupt+0x109/0x650
[  261.997836]  ? smp_call_function_single_interrupt+0x650/0x650
[  262.003708]  ? interrupt_entry+0xb5/0xf0
[  262.007764]  ? trace_hardirqs_off_caller+0xbb/0x310
[  262.012768]  ? trace_hardirqs_off_caller+0xbb/0x310
[  262.017777]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.022616]  ? trace_hardirqs_on_caller+0x310/0x310
[  262.027629]  ? trace_hardirqs_on_caller+0x310/0x310
[  262.033244]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.040521]  ? check_preemption_disabled+0x48/0x200
[  262.046836]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.051671]  apic_timer_interrupt+0xf/0x20
[  262.055891]  </IRQ>
[  262.058125] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  262.064872] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  262.083761] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  262.091457] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  262.098714] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  262.105972] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  262.113720] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  262.120980] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  262.128253]  ? trace_hardirqs_on+0xb4/0x310
[  262.132575]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.138110]  skb_clone+0x1bb/0x500
[  262.141638]  ? finish_task_switch+0x2f5/0x900
[  262.146121]  ? skb_split+0x11e0/0x11e0
[  262.149996]  ? preempt_notifier_register+0x200/0x200
[  262.155185]  ? __switch_to_asm+0x34/0x70
[  262.159232]  ? __switch_to_asm+0x34/0x70
[  262.163279]  ? __switch_to_asm+0x40/0x70
[  262.167327]  ? __switch_to_asm+0x34/0x70
[  262.171372]  ? __switch_to_asm+0x40/0x70
[  262.175418]  ? __switch_to_asm+0x34/0x70
[  262.179466]  ? __switch_to_asm+0x40/0x70
[  262.183513]  ? __switch_to_asm+0x34/0x70
[  262.187571]  ? __switch_to_asm+0x34/0x70
[  262.191624]  ? __switch_to_asm+0x40/0x70
[  262.195675]  ? __switch_to_asm+0x34/0x70
[  262.199728]  bpf_clone_redirect+0xb9/0x490
[  262.203951]  ? __schedule+0x874/0x1ed0
[  262.207830]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  262.212752]  ? __sched_text_start+0x8/0x8
[  262.217065]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  262.221812]  ? retint_kernel+0x2d/0x2d
[  262.225698]  ? lock_acquire+0x1ed/0x520
[  262.229664]  ? bpf_test_run+0x32e/0x5a0
[  262.233627]  ? lock_release+0x970/0x970
[  262.237595]  ? preempt_schedule+0x4d/0x60
[  262.241736]  ? preempt_schedule_common+0x1f/0xd0
[  262.246494]  ? preempt_schedule+0x4d/0x60
[  262.250632]  ? ___preempt_schedule+0x16/0x18
[  262.255038]  ? bpf_test_run+0x1c0/0x5a0
[  262.259004]  ? netlink_diag_dump+0x2a0/0x2a0
[  262.263403]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.270234]  ? bpf_test_init.isra.9+0x70/0x100
[  262.276367]  ? bpf_prog_test_run_skb+0x634/0xb40
[  262.281726]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  262.286566]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  262.294091]  ? fput+0x130/0x1a0
[  262.298153]  ? __bpf_prog_get+0x9b/0x290
[  262.302202]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  262.307036]  ? bpf_prog_test_run+0x130/0x1a0
[  262.311438]  ? __x64_sys_bpf+0x3d8/0x510
[  262.315490]  ? bpf_prog_get+0x20/0x20
[  262.319287]  ? do_syscall_64+0x1b9/0x820
[  262.323336]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  262.329041]  ? syscall_return_slowpath+0x5e0/0x5e0
[  262.333956]  ? trace_hardirqs_on_caller+0x310/0x310
[  262.338959]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  262.343966]  ? recalc_sigpending_tsk+0x180/0x180
[  262.348778]  ? kasan_check_write+0x14/0x20
[  262.353009]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.357863]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  262.364267] warn_alloc_show_mem: 1 callbacks suppressed
[  262.364276] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  262.364278] Mem-Info:
[  262.364307] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  262.364307]  active_file:16 inactive_file:17 isolated_file:0
[  262.364307]  unevictable:0 dirty:0 writeback:0 unstable:0
[  262.364307]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  262.364307]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  262.364307]  free:13792 free_pcp:309 free_cma:0
[  262.371289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  262.371295] Call Trace:
[  262.379519] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  262.381917]  dump_stack+0x1c4/0x2b4
[  262.415052] Node 0 
[  262.424395]  ? dump_stack_print_info.cold.2+0x52/0x52
[  262.426969] 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
[  262.459362]  warn_alloc.cold.119+0xb7/0x1bd
[  262.462955] lowmem_reserve[]:
[  262.465177]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  262.470330]  0
[  262.499495]  ? lock_downgrade+0x900/0x900
[  262.503771]  2819
[  262.506863]  ? trace_hardirqs_off+0xb8/0x310
[  262.511672]  6323
[  262.513462]  ? trace_hardirqs_off+0xb8/0x310
[  262.517576]  6323
[  262.519653]  __alloc_pages_slowpath+0x2667/0x2d80
[  262.524027] Node 0 
[  262.526095]  ? warn_alloc+0x120/0x120
[  262.530487] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  262.532514]  ? warn_alloc+0x120/0x120
[  262.537334] lowmem_reserve[]:
[  262.539569]  ? warn_alloc+0x120/0x120
[  262.543357]  0
[  262.570336]  ? mark_held_locks+0x130/0x130
[  262.574107]  0
[  262.577196]  ? mark_held_locks+0x130/0x130
[  262.580968]  3503
[  262.582766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.586959]  3503
[  262.588752]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.592952] Node 0 
[  262.595002]  ? should_fail+0x22d/0xd01
[  262.600535] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  262.602559]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  262.608068] lowmem_reserve[]:
[  262.610289]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.614141]  0
[  262.643364]  ? should_fail+0x22d/0xd01
[  262.648437]  0
[  262.652364]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  262.659341]  0
[  262.662183]  ? should_fail+0x22d/0xd01
[  262.666819]  0
[  262.669066]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  262.674131] Node 0 
[  262.675919]  ? mark_held_locks+0x130/0x130
[  262.679772] DMA: 
[  262.681645]  ? mark_held_locks+0x130/0x130
[  262.686713] 1*4kB (U) 
[  262.688982]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.688998]  ? trace_hardirqs_off+0xb8/0x310
[  262.693205] 0*8kB 
[  262.695748]  ? kasan_check_read+0x11/0x20
[  262.699962] 0*16kB 
[  262.702444]  ? do_raw_spin_unlock+0xa7/0x2f0
[  262.707945] 1*32kB (U) 
[  262.712341]  ? trace_hardirqs_on+0x310/0x310
[  262.714461] 2*64kB 
[  262.718588]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.720801] (U) 
[  262.725202]  ? wq_watchdog_touch+0x9c/0xfe
[  262.727758] 1*128kB 
[  262.732168]  ? io_serial_in+0x11/0x90
[  262.734375] (U) 
[  262.740350]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.742310] 1*256kB 
[  262.746535]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  262.748828] (U) 0*512kB 
[  262.752661]  __alloc_pages_nodemask+0xa80/0xde0
[  262.754835] 1*1024kB 
[  262.762463]  ? should_fail+0x22d/0xd01
[  262.765449] (U) 
[  262.770544]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  262.773194] 1*2048kB 
[  262.777865]  ? ____cache_alloc_node+0x1c7/0x1e0
[  262.780236] (M) 
[  262.784111]  ? lock_downgrade+0x900/0x900
[  262.786063] 3*4096kB 
[  262.791076]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.793451] (M) 
[  262.798105]  cache_grow_begin+0x91/0x8c0
[  262.800053] = 15908kB
[  262.804651]  ? do_raw_spin_unlock+0xa7/0x2f0
[  262.807030] Node 0 
[  262.812557]  fallback_alloc+0x203/0x2e0
[  262.814501] DMA32: 
[  262.818557]  ____cache_alloc_node+0x1c7/0x1e0
[  262.820948] 6*4kB 
[  262.825342]  kmem_cache_alloc_node+0xe3/0x730
[  262.827549] (UME) 2*8kB 
[  262.831521]  ? ipv6_get_ifaddr+0x42e/0x620
[  262.833985] (UE) 
[  262.839911]  __alloc_skb+0x119/0x770
[  262.842372] 4*16kB (UME) 
[  262.847340]  ? skb_scrub_packet+0x490/0x490
[  262.849981] 4*32kB 
[  262.854200]  ? lock_downgrade+0x900/0x900
[  262.856233] (UME) 
[  262.862542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.865269] 5*64kB (ME) 
[  262.869582]  ? refcount_sub_and_test_checked+0x203/0x310
[  262.871789] 5*128kB 
[  262.875918]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  262.878034] (UME) 4*256kB (ME) 
[  262.883562]  ? addrconf_rs_timer+0x690/0x690
[  262.886204] 5*512kB 
[  262.891639]  ndisc_alloc_skb+0x144/0x340
[  262.893926] (UME) 
[  262.899361]  ndisc_send_rs+0x331/0x6e0
[  262.902608] 4*1024kB 
[  262.906996]  addrconf_rs_timer+0x314/0x690
[  262.909290] (UME) 
[  262.913336]  ? lock_release+0x970/0x970
[  262.915452] 2*2048kB (ME) 
[  262.919328]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.921710] 3*4096kB 
[  262.925929]  call_timer_fn+0x272/0x920
[  262.928043] (M) 
[  262.931998]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.934808] = 25256kB
[  262.939031]  ? process_timeout+0x40/0x40
[  262.941406] Node 0 
[  262.945274]  ? kasan_check_read+0x11/0x20
[  262.947221] Normal: 
[  262.951437]  ? do_raw_spin_unlock+0xa7/0x2f0
[  262.953817] 1063*4kB 
[  262.957863]  ? trace_hardirqs_on+0x310/0x310
[  262.960065] (UMEH) 
[  262.964201]  ? __run_timers+0x7da/0xc70
[  262.966495] 420*8kB 
[  262.970888]  ? lock_downgrade+0x900/0x900
[  262.973265] (UME) 
[  262.977658]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  262.979862] 170*16kB 
[  262.983821]  ? trace_hardirqs_on+0xbd/0x310
[  262.986112] (UMEH) 
[  262.990241]  ? kasan_check_read+0x11/0x20
[  262.992360] 65*32kB 
[  262.997444]  ? __run_timers+0x7da/0xc70
[  262.999823] (UME) 
[  263.004131]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  263.006337] 9*64kB 
[  263.010504]  ? kasan_check_write+0x14/0x20
[  263.012794] (UM) 0*128kB 0*256kB 0*512kB 1*1024kB 
[  263.016776]  ? do_raw_spin_lock+0xc1/0x200
[  263.018893] (H) 
[  263.024344]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.026553] 0*2048kB 
[  263.031050]  __run_timers+0x7e5/0xc70
[  263.035950] 0*4096kB 
[  263.040175]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  263.042125] = 14012kB
[  263.046846]  ? compat_start_thread+0x80/0x80
[  263.049235] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  263.053031]  ? dequeue_entity+0x1770/0x1770
[  263.055418] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  263.060761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.064007] 4986 total pagecache pages
[  263.068400]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.077208] 0 pages in swap cache
[  263.081520]  ? kasan_check_write+0x14/0x20
[  263.090071] Swap cache stats: add 0, delete 0, find 0/0
[  263.095592]  ? finish_task_switch+0x2f5/0x900
[  263.099447] Free swap  = 0kB
[  263.104967]  ? __switch_to_asm+0x40/0x70
[  263.108403] Total swap = 0kB
[  263.112622]  ? preempt_notifier_register+0x200/0x200
[  263.117956] 1965979 pages RAM
[  263.122435]  ? __switch_to_asm+0x34/0x70
[  263.125423] 0 pages HighMem/MovableOnly
[  263.129924]  ? __switch_to_asm+0x40/0x70
[  263.132912] 342307 pages reserved
[  263.139625]  ? __switch_to_asm+0x34/0x70
[  263.139638]  ? __switch_to_asm+0x40/0x70
[  263.142714] 0 pages cma reserved
[  263.146754]  ? __switch_to_asm+0x34/0x70
[  263.150778] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  263.155290]  ? __switch_to_asm+0x40/0x70
[  263.159223] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  263.163195]  ? pvclock_read_flags+0x160/0x160
[  263.167227] syz-executor4 cpuset=
[  263.170576]  ? __schedule+0x874/0x1ed0
[  263.174604] syz4
[  263.181102]  ? run_rebalance_domains+0x38d/0x500
[  263.185127]  mems_allowed=0
[  263.217664]  ? trace_hardirqs_on+0xbd/0x310
[  263.221997]  ? kvm_sched_clock_read+0x9/0x20
[  263.226406]  ? run_ksoftirqd+0x94/0x100
[  263.230370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.235901]  ? check_preemption_disabled+0x48/0x200
[  263.240905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.246436]  run_timer_softirq+0x52/0xb0
[  263.250496]  ? __this_cpu_preempt_check+0x1c/0x1f
[  263.255332]  __do_softirq+0x30b/0xad8
[  263.259131]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  263.264745]  ? trace_hardirqs_off+0xb8/0x310
[  263.269146]  ? schedule+0x108/0x460
[  263.272775]  ? __schedule+0x1ed0/0x1ed0
[  263.276945]  ? run_ksoftirqd+0x99/0x100
[  263.284974]  ? trace_hardirqs_off+0xb8/0x310
[  263.289378]  ? ___might_sleep+0x1ed/0x300
[  263.293515]  ? smpboot_thread_fn+0x68b/0xa00
[  263.297914]  ? trace_hardirqs_on+0x310/0x310
[  263.302834]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.308374]  ? check_preemption_disabled+0x48/0x200
[  263.313385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.318915]  ? takeover_tasklets+0xa90/0xa90
[  263.323312]  run_ksoftirqd+0x94/0x100
[  263.327116]  smpboot_thread_fn+0x68b/0xa00
[  263.331344]  ? sort_range+0x30/0x30
[  263.334958]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  263.340049]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.346965]  ? __kthread_parkme+0xfb/0x1a0
[  263.352125]  kthread+0x35a/0x420
[  263.355487]  ? sort_range+0x30/0x30
[  263.359565]  ? kthread_bind+0x40/0x40
[  263.363361]  ret_from_fork+0x3a/0x50
[  263.367080] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  263.367127] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  263.374342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  263.374345] Call Trace:
[  263.374350]  <IRQ>
[  263.374365]  dump_stack+0x1c4/0x2b4
[  263.374382]  ? dump_stack_print_info.cold.2+0x52/0x52
[  263.380898] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  263.390201]  warn_alloc.cold.119+0xb7/0x1bd
[  263.392756] ksoftirqd/1 cpuset=
[  263.394889]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  263.398488] /
[  263.403702]  ? lock_downgrade+0x900/0x900
[  263.413983]  mems_allowed=0
[  263.418292]  ? trace_hardirqs_off+0xb8/0x310
[  263.439496]  ? trace_hardirqs_off+0xb8/0x310
[  263.443901]  __alloc_pages_slowpath+0x2667/0x2d80
[  263.448748]  ? warn_alloc+0x120/0x120
[  263.455050]  ? warn_alloc+0x120/0x120
[  263.458844]  ? warn_alloc+0x120/0x120
[  263.462639]  ? idle_cpu+0x1d0/0x1d0
[  263.466256]  ? kvm_sched_clock_read+0x9/0x20
[  263.472065]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.477668]  ? should_fail+0x22d/0xd01
[  263.481644]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  263.486737]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.492265]  ? should_fail+0x22d/0xd01
[  263.496153]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  263.501246]  ? should_fail+0x22d/0xd01
[  263.505123]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  263.510219]  ? mark_held_locks+0x130/0x130
[  263.514446]  ? mark_held_locks+0x130/0x130
[  263.518695]  ? try_to_wake_up+0x10a/0x12f0
[  263.522938]  ? lock_downgrade+0x900/0x900
[  263.527429]  ? trace_hardirqs_off+0xb8/0x310
[  263.531832]  ? kasan_check_read+0x11/0x20
[  263.535973]  ? do_raw_spin_unlock+0xa7/0x2f0
[  263.540375]  ? trace_hardirqs_on+0x310/0x310
[  263.544776]  ? kasan_check_write+0x14/0x20
[  263.549002]  ? do_raw_spin_lock+0xc1/0x200
[  263.553232]  __alloc_pages_nodemask+0xa80/0xde0
[  263.557891]  ? should_fail+0x22d/0xd01
[  263.561778]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  263.566795]  ? ____cache_alloc_node+0x1c7/0x1e0
[  263.571464]  ? lock_downgrade+0x900/0x900
[  263.575611]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.581142]  cache_grow_begin+0x91/0x8c0
[  263.585195]  ? do_raw_spin_unlock+0xa7/0x2f0
[  263.589596]  fallback_alloc+0x203/0x2e0
[  263.593566]  ____cache_alloc_node+0x1c7/0x1e0
[  263.598053]  kmem_cache_alloc_node+0xe3/0x730
[  263.602539]  ? ipv6_get_ifaddr+0x42e/0x620
[  263.606768]  __alloc_skb+0x119/0x770
[  263.610490]  ? skb_scrub_packet+0x490/0x490
[  263.614802]  ? lock_downgrade+0x900/0x900
[  263.618946]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.624482]  ? refcount_sub_and_test_checked+0x203/0x310
[  263.629924]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  263.635626]  ? addrconf_rs_timer+0x690/0x690
[  263.640034]  ndisc_alloc_skb+0x144/0x340
[  263.644090]  ndisc_send_rs+0x331/0x6e0
[  263.647973]  addrconf_rs_timer+0x314/0x690
[  263.652205]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.656438]  call_timer_fn+0x272/0x920
[  263.660328]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.664554]  ? process_timeout+0x40/0x40
[  263.668614]  ? trace_hardirqs_off+0xb8/0x310
[  263.673648]  ? kasan_check_read+0x11/0x20
[  263.677787]  ? do_raw_spin_unlock+0xa7/0x2f0
[  263.682185]  ? trace_hardirqs_on+0x310/0x310
[  263.686584]  ? __run_timers+0x7da/0xc70
[  263.690547]  ? lock_downgrade+0x900/0x900
[  263.694691]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  263.699790]  ? trace_hardirqs_on+0xbd/0x310
[  263.704099]  ? kasan_check_read+0x11/0x20
[  263.708237]  ? __run_timers+0x7da/0xc70
[  263.712201]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  263.717642]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.723170]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.727392]  __run_timers+0x7e5/0xc70
[  263.731189]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  263.736546]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  263.741553]  ? timerqueue_add+0x207/0x2b0
[  263.745694]  ? enqueue_hrtimer+0x1a5/0x560
[  263.749916]  ? lock_release+0x970/0x970
[  263.753874]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  263.759063]  ? kasan_check_write+0x14/0x20
[  263.763298]  ? pvclock_read_flags+0x160/0x160
[  263.767783]  ? lock_downgrade+0x900/0x900
[  263.771927]  ? trace_hardirqs_on+0xbd/0x310
[  263.776243]  ? kvm_sched_clock_read+0x9/0x20
[  263.780800]  ? irq_exit+0x17f/0x1c0
[  263.784415]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.789950]  ? check_preemption_disabled+0x48/0x200
[  263.794960]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.800489]  run_timer_softirq+0x52/0xb0
[  263.804540]  ? __this_cpu_preempt_check+0x1c/0x1f
[  263.809379]  __do_softirq+0x30b/0xad8
[  263.813177]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  263.818276]  ? pvclock_read_flags+0x160/0x160
[  263.822759]  ? lapic_next_event+0x5a/0x90
[  263.826994]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.832525]  ? clockevents_program_event+0x140/0x370
[  263.837622]  ? kvm_clock_read+0x18/0x30
[  263.841586]  ? kvm_sched_clock_read+0x9/0x20
[  263.845986]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.851515]  ? check_preemption_disabled+0x48/0x200
[  263.856525]  irq_exit+0x17f/0x1c0
[  263.859968]  smp_apic_timer_interrupt+0x1cb/0x760
[  263.864799]  ? smp_reschedule_interrupt+0x109/0x650
[  263.869807]  ? smp_call_function_single_interrupt+0x650/0x650
[  263.875681]  ? interrupt_entry+0xb5/0xf0
[  263.879732]  ? trace_hardirqs_off_caller+0xbb/0x310
[  263.885345]  ? trace_hardirqs_off_caller+0xbb/0x310
[  263.890526]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  263.895357]  ? trace_hardirqs_on_caller+0x310/0x310
[  263.900362]  ? trace_hardirqs_on_caller+0x310/0x310
[  263.905367]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.910895]  ? check_preemption_disabled+0x48/0x200
[  263.915907]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  263.920839]  apic_timer_interrupt+0xf/0x20
[  263.925055]  </IRQ>
[  263.927288] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  263.932211] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  263.951102] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  263.958805] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  263.966064] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  263.973325] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  263.980581] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  263.987845] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  263.995119]  ? trace_hardirqs_on+0xb4/0x310
[  263.999445]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.004977]  skb_clone+0x1bb/0x500
[  264.008510]  ? finish_task_switch+0x2f5/0x900
[  264.012995]  ? skb_split+0x11e0/0x11e0
[  264.016877]  ? preempt_notifier_register+0x200/0x200
[  264.021969]  ? __switch_to_asm+0x34/0x70
[  264.026021]  ? __switch_to_asm+0x34/0x70
[  264.030068]  ? __switch_to_asm+0x40/0x70
[  264.034119]  ? __switch_to_asm+0x34/0x70
[  264.038169]  ? __switch_to_asm+0x40/0x70
[  264.042233]  ? __switch_to_asm+0x34/0x70
[  264.046321]  ? __switch_to_asm+0x40/0x70
[  264.050548]  ? __switch_to_asm+0x34/0x70
[  264.054612]  ? __switch_to_asm+0x34/0x70
[  264.059108]  ? __switch_to_asm+0x40/0x70
[  264.063161]  ? __switch_to_asm+0x34/0x70
[  264.067217]  bpf_clone_redirect+0xb9/0x490
[  264.071530]  ? __schedule+0x874/0x1ed0
[  264.075417]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  264.080345]  ? __sched_text_start+0x8/0x8
[  264.084489]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  264.089237]  ? retint_kernel+0x2d/0x2d
[  264.093120]  ? lock_acquire+0x1ed/0x520
[  264.097099]  ? bpf_test_run+0x32e/0x5a0
[  264.101068]  ? lock_release+0x970/0x970
[  264.105031]  ? preempt_schedule+0x4d/0x60
[  264.109661]  ? preempt_schedule_common+0x1f/0xd0
[  264.114416]  ? preempt_schedule+0x4d/0x60
[  264.118650]  ? ___preempt_schedule+0x16/0x18
[  264.123059]  ? bpf_test_run+0x1c0/0x5a0
[  264.127031]  ? netlink_diag_dump+0x2a0/0x2a0
[  264.131439]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.136970]  ? bpf_test_init.isra.9+0x70/0x100
[  264.141542]  ? bpf_prog_test_run_skb+0x634/0xb40
[  264.146292]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  264.151127]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  264.156653]  ? fput+0x130/0x1a0
[  264.159926]  ? __bpf_prog_get+0x9b/0x290
[  264.163980]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  264.170028]  ? bpf_prog_test_run+0x130/0x1a0
[  264.176172]  ? __x64_sys_bpf+0x3d8/0x510
[  264.181526]  ? bpf_prog_get+0x20/0x20
[  264.185325]  ? do_syscall_64+0x1b9/0x820
[  264.189376]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  264.194741]  ? syscall_return_slowpath+0x5e0/0x5e0
[  264.199663]  ? trace_hardirqs_on_caller+0x310/0x310
[  264.204673]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  264.209681]  ? recalc_sigpending_tsk+0x180/0x180
[  264.214431]  ? kasan_check_write+0x14/0x20
[  264.218658]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  264.223500]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  264.228863] warn_alloc_show_mem: 1 callbacks suppressed
[  264.228872] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  264.228874] Mem-Info:
[  264.228902] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  264.228902]  active_file:16 inactive_file:17 isolated_file:0
[  264.228902]  unevictable:0 dirty:0 writeback:0 unstable:0
[  264.228902]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  264.228902]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  264.228902]  free:13792 free_pcp:309 free_cma:0
[  264.234229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  264.234236] Call Trace:
[  264.241073] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  264.243469]  dump_stack+0x1c4/0x2b4
[  264.276806] 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
[  264.276828] lowmem_reserve[]: 0 2819 6323 6323
[  264.276840] Node 0 DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  264.276859] lowmem_reserve[]: 0 0 3503 3503
[  264.276870] Node 0 Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  264.276889] lowmem_reserve[]: 0 0 0 0
[  264.276900] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 
[  264.288198]  ? dump_stack_print_info.cold.2+0x52/0x52
[  264.290742] 1*1024kB 
[  264.320070]  warn_alloc.cold.119+0xb7/0x1bd
[  264.323661] (U) 
[  264.352079]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  264.357932] 1*2048kB 
[  264.387558]  ? lock_downgrade+0x900/0x900
[  264.391855] (M) 
[  264.421256]  ? trace_hardirqs_off+0xb8/0x310
[  264.425037] 3*4096kB 
[  264.434405]  ? trace_hardirqs_off+0xb8/0x310
[  264.439563] (M) 
[  264.441963]  __alloc_pages_slowpath+0x2667/0x2d80
[  264.446250] = 15908kB
[  264.446257] Node 0 
[  264.448229]  ? warn_alloc+0x120/0x120
[  264.453627] DMA32: 
[  264.456027]  ? warn_alloc+0x120/0x120
[  264.460142] 6*4kB 
[  264.462103]  ? warn_alloc+0x120/0x120
[  264.466578] (UME) 
[  264.468976]  ? mark_held_locks+0x130/0x130
[  264.476497] 2*8kB (UE) 
[  264.478498]  ? mark_held_locks+0x130/0x130
[  264.483295] 4*16kB 
[  264.485694]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.487896] (UME) 
[  264.492678]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.494879] 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB
[  264.494953] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB
[  264.495005] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  264.495011] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  264.495014] 4986 total pagecache pages
[  264.495019] 0 pages in swap cache
[  264.495023] Swap cache stats: add 0, delete 0, find 0/0
[  264.495026] Free swap  = 0kB
[  264.495028] Total swap = 0kB
[  264.495032] 1965979 pages RAM
[  264.495035] 0 pages HighMem/MovableOnly
[  264.495037] 342307 pages reserved
[  264.495040] 0 pages cma reserved
[  264.495083] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  264.495123] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  264.495126] syz-executor4 cpuset=syz4 mems_allowed=0
[  264.637656]  ? should_fail+0x22d/0xd01
[  264.641541]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  264.646633]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.652625]  ? should_fail+0x22d/0xd01
[  264.656503]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  264.661595]  ? should_fail+0x22d/0xd01
[  264.665481]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  264.670579]  ? mark_held_locks+0x130/0x130
[  264.674809]  ? mark_held_locks+0x130/0x130
[  264.679032]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.685378]  ? trace_hardirqs_off+0xb8/0x310
[  264.691001]  ? kasan_check_read+0x11/0x20
[  264.695143]  ? do_raw_spin_unlock+0xa7/0x2f0
[  264.700014]  ? trace_hardirqs_on+0x310/0x310
[  264.704413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.713096]  ? wq_watchdog_touch+0x9c/0xfe
[  264.717920]  ? io_serial_in+0x11/0x90
[  264.721709]  ? retint_kernel+0x2d/0x2d
[  264.725606]  ? trace_hardirqs_on_caller+0xc0/0x310
[  264.730537]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  264.735298]  ? trace_hardirqs_off+0x310/0x310
[  264.739784]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  264.744888]  __alloc_pages_nodemask+0xa80/0xde0
[  264.749550]  ? should_fail+0x22d/0xd01
[  264.753429]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  264.758455]  ? ____cache_alloc_node+0x1c7/0x1e0
[  264.763114]  ? lock_downgrade+0x900/0x900
[  264.767259]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.772792]  cache_grow_begin+0x91/0x8c0
[  264.776847]  ? do_raw_spin_unlock+0xa7/0x2f0
[  264.781257]  fallback_alloc+0x203/0x2e0
[  264.785223]  ____cache_alloc_node+0x1c7/0x1e0
[  264.790185]  kmem_cache_alloc_node+0xe3/0x730
[  264.794669]  ? ipv6_get_ifaddr+0x42e/0x620
[  264.798904]  __alloc_skb+0x119/0x770
[  264.802607]  ? skb_scrub_packet+0x490/0x490
[  264.806917]  ? lock_downgrade+0x900/0x900
[  264.811061]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.816586]  ? refcount_sub_and_test_checked+0x203/0x310
[  264.822033]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  264.827472]  ? addrconf_rs_timer+0x690/0x690
[  264.831885]  ndisc_alloc_skb+0x144/0x340
[  264.835937]  ndisc_send_rs+0x331/0x6e0
[  264.839816]  addrconf_rs_timer+0x314/0x690
[  264.844038]  ? lock_release+0x970/0x970
[  264.849353]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.855235]  call_timer_fn+0x272/0x920
[  264.860777]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.865002]  ? process_timeout+0x40/0x40
[  264.869058]  ? kasan_check_read+0x11/0x20
[  264.873220]  ? do_raw_spin_unlock+0xa7/0x2f0
[  264.877621]  ? trace_hardirqs_on+0x310/0x310
[  264.882020]  ? __run_timers+0x7da/0xc70
[  264.885982]  ? lock_downgrade+0x900/0x900
[  264.890122]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  264.895694]  ? trace_hardirqs_on+0xbd/0x310
[  264.900002]  ? kasan_check_read+0x11/0x20
[  264.904138]  ? __run_timers+0x7da/0xc70
[  264.908103]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  264.913542]  ? kasan_check_write+0x14/0x20
[  264.917771]  ? do_raw_spin_lock+0xc1/0x200
[  264.922002]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.926225]  __run_timers+0x7e5/0xc70
[  264.930030]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  264.935381]  ? compat_start_thread+0x80/0x80
[  264.940736]  ? dequeue_entity+0x1770/0x1770
[  264.945062]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.950587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.956128]  ? kasan_check_write+0x14/0x20
[  264.960366]  ? finish_task_switch+0x2f5/0x900
[  264.964853]  ? __switch_to_asm+0x40/0x70
[  264.968909]  ? preempt_notifier_register+0x200/0x200
[  264.974008]  ? __switch_to_asm+0x34/0x70
[  264.978055]  ? __switch_to_asm+0x40/0x70
[  264.982104]  ? __switch_to_asm+0x34/0x70
[  264.986179]  ? __switch_to_asm+0x40/0x70
[  264.990228]  ? __switch_to_asm+0x34/0x70
[  264.994276]  ? __switch_to_asm+0x40/0x70
[  264.998337]  ? pvclock_read_flags+0x160/0x160
[  265.002825]  ? __schedule+0x874/0x1ed0
[  265.006722]  ? run_rebalance_domains+0x38d/0x500
[  265.011469]  ? trace_hardirqs_on+0xbd/0x310
[  265.015789]  ? kvm_sched_clock_read+0x9/0x20
[  265.020186]  ? run_ksoftirqd+0x94/0x100
[  265.024149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.029677]  ? check_preemption_disabled+0x48/0x200
[  265.034683]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.040225]  run_timer_softirq+0x52/0xb0
[  265.044280]  ? __this_cpu_preempt_check+0x1c/0x1f
[  265.049113]  __do_softirq+0x30b/0xad8
[  265.052911]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  265.058005]  ? trace_hardirqs_off+0xb8/0x310
[  265.062405]  ? schedule+0x108/0x460
[  265.066023]  ? __schedule+0x1ed0/0x1ed0
[  265.071038]  ? run_ksoftirqd+0x99/0x100
[  265.076306]  ? trace_hardirqs_off+0xb8/0x310
[  265.082196]  ? ___might_sleep+0x1ed/0x300
[  265.087202]  ? smpboot_thread_fn+0x68b/0xa00
[  265.092066]  ? trace_hardirqs_on+0x310/0x310
[  265.096464]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.101990]  ? check_preemption_disabled+0x48/0x200
[  265.106993]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.113122]  ? takeover_tasklets+0xa90/0xa90
[  265.117948]  run_ksoftirqd+0x94/0x100
[  265.121737]  smpboot_thread_fn+0x68b/0xa00
[  265.125962]  ? sort_range+0x30/0x30
[  265.129576]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  265.134667]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.140195]  ? __kthread_parkme+0xfb/0x1a0
[  265.144901]  kthread+0x35a/0x420
[  265.148270]  ? sort_range+0x30/0x30
[  265.151896]  ? kthread_bind+0x40/0x40
[  265.155691]  ret_from_fork+0x3a/0x50
[  265.159411] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  265.159472] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  265.166677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  265.166680] Call Trace:
[  265.166685]  <IRQ>
[  265.166701]  dump_stack+0x1c4/0x2b4
[  265.166717]  ? dump_stack_print_info.cold.2+0x52/0x52
[  265.173327] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  265.182533]  warn_alloc.cold.119+0xb7/0x1bd
[  265.185081] ksoftirqd/1 cpuset=
[  265.187219]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  265.190813] /
[  265.195986]  ? lock_downgrade+0x900/0x900
[  265.206267]  mems_allowed=0
[  265.210578]  ? trace_hardirqs_off+0xb8/0x310
[  265.231799]  ? trace_hardirqs_off+0xb8/0x310
[  265.236203]  __alloc_pages_slowpath+0x2667/0x2d80
[  265.241052]  ? warn_alloc+0x120/0x120
[  265.244844]  ? warn_alloc+0x120/0x120
[  265.248638]  ? warn_alloc+0x120/0x120
[  265.252427]  ? lock_release+0x970/0x970
[  265.256395]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  265.261577]  ? trace_hardirqs_on+0x310/0x310
[  265.265976]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.271507]  ? should_fail+0x22d/0xd01
[  265.275397]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  265.280598]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.286140]  ? should_fail+0x22d/0xd01
[  265.290018]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  265.295111]  ? should_fail+0x22d/0xd01
[  265.298992]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  265.304089]  ? mark_held_locks+0x130/0x130
[  265.308322]  ? mark_held_locks+0x130/0x130
[  265.312553]  ? kvm_clock_read+0x18/0x30
[  265.316519]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  265.321524]  ? ktime_get+0x2e1/0x440
[  265.325226]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.330755]  ? check_preemption_disabled+0x48/0x200
[  265.335766]  ? kasan_check_read+0x11/0x20
[  265.339909]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  265.345175]  ? rcu_bh_qs+0xc0/0xc0
[  265.348706]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.354233]  ? check_preemption_disabled+0x48/0x200
[  265.359236]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  265.364239]  ? widen_string+0xe0/0x2e0
[  265.368122]  __alloc_pages_nodemask+0xa80/0xde0
[  265.372781]  ? should_fail+0x22d/0xd01
[  265.376664]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  265.381698]  ? ____cache_alloc_node+0x1c7/0x1e0
[  265.386371]  ? lock_downgrade+0x900/0x900
[  265.390518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.396047]  cache_grow_begin+0x91/0x8c0
[  265.400098]  ? do_raw_spin_unlock+0xa7/0x2f0
[  265.404610]  fallback_alloc+0x203/0x2e0
[  265.408584]  ____cache_alloc_node+0x1c7/0x1e0
[  265.413071]  kmem_cache_alloc_node+0xe3/0x730
[  265.417551]  ? ipv6_get_ifaddr+0x42e/0x620
[  265.421775]  __alloc_skb+0x119/0x770
[  265.425480]  ? skb_scrub_packet+0x490/0x490
[  265.429792]  ? lock_downgrade+0x900/0x900
[  265.433936]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.439463]  ? refcount_sub_and_test_checked+0x203/0x310
[  265.444904]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  265.453461]  ? addrconf_rs_timer+0x690/0x690
[  265.457886]  ndisc_alloc_skb+0x144/0x340
[  265.461942]  ndisc_send_rs+0x331/0x6e0
[  265.465823]  addrconf_rs_timer+0x314/0x690
[  265.470050]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.474277]  call_timer_fn+0x272/0x920
[  265.478156]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.482382]  ? process_timeout+0x40/0x40
[  265.486431]  ? trace_hardirqs_off+0xb8/0x310
[  265.490824]  ? kasan_check_read+0x11/0x20
[  265.494961]  ? do_raw_spin_unlock+0xa7/0x2f0
[  265.499373]  ? trace_hardirqs_on+0x310/0x310
[  265.503772]  ? __run_timers+0x7da/0xc70
[  265.507738]  ? lock_downgrade+0x900/0x900
[  265.513788]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  265.518882]  ? trace_hardirqs_on+0xbd/0x310
[  265.523187]  ? kasan_check_read+0x11/0x20
[  265.527328]  ? __run_timers+0x7da/0xc70
[  265.531300]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  265.536744]  ? kasan_check_write+0x14/0x20
[  265.540969]  ? do_raw_spin_lock+0xc1/0x200
[  265.545211]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.549434]  __run_timers+0x7e5/0xc70
[  265.553315]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  265.558671]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  265.563678]  ? timerqueue_add+0x207/0x2b0
[  265.567836]  ? enqueue_hrtimer+0x1a5/0x560
[  265.572065]  ? lock_release+0x970/0x970
[  265.576025]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  265.581204]  ? kasan_check_write+0x14/0x20
[  265.585437]  ? pvclock_read_flags+0x160/0x160
[  265.589918]  ? lock_downgrade+0x900/0x900
[  265.594060]  ? trace_hardirqs_on+0xbd/0x310
[  265.598371]  ? kvm_sched_clock_read+0x9/0x20
[  265.602769]  ? irq_exit+0x17f/0x1c0
[  265.606384]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.611915]  ? check_preemption_disabled+0x48/0x200
[  265.616919]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.622448]  run_timer_softirq+0x52/0xb0
[  265.626499]  ? __this_cpu_preempt_check+0x1c/0x1f
[  265.631331]  __do_softirq+0x30b/0xad8
[  265.635136]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  265.640232]  ? pvclock_read_flags+0x160/0x160
[  265.644716]  ? lapic_next_event+0x5a/0x90
[  265.648853]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.654380]  ? clockevents_program_event+0x140/0x370
[  265.659474]  ? kvm_clock_read+0x18/0x30
[  265.663438]  ? kvm_sched_clock_read+0x9/0x20
[  265.667847]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.673374]  ? check_preemption_disabled+0x48/0x200
[  265.678387]  irq_exit+0x17f/0x1c0
[  265.681830]  smp_apic_timer_interrupt+0x1cb/0x760
[  265.686949]  ? smp_reschedule_interrupt+0x109/0x650
[  265.693884]  ? smp_call_function_single_interrupt+0x650/0x650
[  265.699931]  ? interrupt_entry+0xb5/0xf0
[  265.703981]  ? trace_hardirqs_off_caller+0xbb/0x310
[  265.708984]  ? trace_hardirqs_off_caller+0xbb/0x310
[  265.713993]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  265.718829]  ? trace_hardirqs_on_caller+0x310/0x310
[  265.723833]  ? trace_hardirqs_on_caller+0x310/0x310
[  265.728841]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.734366]  ? check_preemption_disabled+0x48/0x200
[  265.739376]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  265.744210]  apic_timer_interrupt+0xf/0x20
[  265.748430]  </IRQ>
[  265.751006] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  265.757324] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  265.776215] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  265.783912] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  265.791169] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  265.798522] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  265.805797] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  265.813056] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  265.820330]  ? trace_hardirqs_on+0xb4/0x310
[  265.824648]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.830199]  skb_clone+0x1bb/0x500
[  265.833731]  ? finish_task_switch+0x2f5/0x900
[  265.838212]  ? skb_split+0x11e0/0x11e0
[  265.842092]  ? preempt_notifier_register+0x200/0x200
[  265.847187]  ? __switch_to_asm+0x34/0x70
[  265.851234]  ? __switch_to_asm+0x34/0x70
[  265.855289]  ? __switch_to_asm+0x40/0x70
[  265.859947]  ? __switch_to_asm+0x34/0x70
[  265.865308]  ? __switch_to_asm+0x40/0x70
[  265.869420]  ? __switch_to_asm+0x34/0x70
[  265.873469]  ? __switch_to_asm+0x40/0x70
[  265.877534]  ? __switch_to_asm+0x34/0x70
[  265.881604]  ? __switch_to_asm+0x34/0x70
[  265.885665]  ? __switch_to_asm+0x40/0x70
[  265.889715]  ? __switch_to_asm+0x34/0x70
[  265.893771]  bpf_clone_redirect+0xb9/0x490
[  265.897996]  ? __schedule+0x874/0x1ed0
[  265.901879]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  265.906799]  ? __sched_text_start+0x8/0x8
[  265.911040]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  265.915793]  ? retint_kernel+0x2d/0x2d
[  265.919676]  ? lock_acquire+0x1ed/0x520
[  265.923642]  ? bpf_test_run+0x32e/0x5a0
[  265.927610]  ? lock_release+0x970/0x970
[  265.931574]  ? preempt_schedule+0x4d/0x60
[  265.935714]  ? preempt_schedule_common+0x1f/0xd0
[  265.940462]  ? preempt_schedule+0x4d/0x60
[  265.944601]  ? ___preempt_schedule+0x16/0x18
[  265.949003]  ? bpf_test_run+0x1c0/0x5a0
[  265.952969]  ? netlink_diag_dump+0x2a0/0x2a0
[  265.957368]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.962894]  ? bpf_test_init.isra.9+0x70/0x100
[  265.967465]  ? bpf_prog_test_run_skb+0x634/0xb40
[  265.972215]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  265.977049]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  265.982575]  ? fput+0x130/0x1a0
[  265.985845]  ? __bpf_prog_get+0x9b/0x290
[  265.989895]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  265.994725]  ? bpf_prog_test_run+0x130/0x1a0
[  265.999123]  ? __x64_sys_bpf+0x3d8/0x510
[  266.003172]  ? bpf_prog_get+0x20/0x20
[  266.006971]  ? do_syscall_64+0x1b9/0x820
[  266.011020]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  266.016375]  ? syscall_return_slowpath+0x5e0/0x5e0
[  266.021300]  ? trace_hardirqs_on_caller+0x310/0x310
[  266.026305]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  266.031310]  ? recalc_sigpending_tsk+0x180/0x180
[  266.036054]  ? kasan_check_write+0x14/0x20
[  266.040287]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  266.045122]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  266.050480] warn_alloc_show_mem: 1 callbacks suppressed
[  266.050490] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  266.050491] Mem-Info:
[  266.050519] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  266.050519]  active_file:16 inactive_file:17 isolated_file:0
[  266.050519]  unevictable:0 dirty:0 writeback:0 unstable:0
[  266.050519]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  266.050519]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  266.050519]  free:13792 free_pcp:309 free_cma:0
[  266.055847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  266.055853] Call Trace:
[  266.062694] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  266.065094]  dump_stack+0x1c4/0x2b4
[  266.098113] Node 0 
[  266.107465]  ? dump_stack_print_info.cold.2+0x52/0x52
[  266.111828] 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
[  266.148796]  ? isolate_lru_page+0x22e0/0x22e0
[  266.152385] lowmem_reserve[]:
[  266.154606]  warn_alloc.cold.119+0xb7/0x1bd
[  266.159782]  0
[  266.186025]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  266.190488]  2819
[  266.193582]  ? lock_downgrade+0x900/0x900
[  266.197868]  6323
[  266.199659]  ? trace_hardirqs_off+0xb8/0x310
[  266.204466]  6323
[  266.206517]  ? trace_hardirqs_off+0xb8/0x310
[  266.212682]  __alloc_pages_slowpath+0x2667/0x2d80
[  266.217059] Node 0 
[  266.219117]  ? mark_held_locks+0x130/0x130
[  266.223506] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  266.228309]  ? warn_alloc+0x120/0x120
[  266.230512] lowmem_reserve[]:
[  266.234733]  ? warn_alloc+0x120/0x120
[  266.261667]  0 0
[  266.265459]  ? warn_alloc+0x120/0x120
[  266.268541]  3503
[  266.272322]  ? cpuacct_charge+0x265/0x440
[  266.274262]  3503
[  266.278569]  ? warn_alloc+0x120/0x120
[  266.280596] Node 0 Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  266.280618] lowmem_reserve[]: 0 0 0 0
[  266.280629] 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
[  266.280677] Node 0 DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB
[  266.280730] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 
[  266.284898]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.286922] 0*128kB 0*256kB 
[  266.290712]  ? should_fail+0x22d/0xd01
[  266.319657] 0*512kB 1*1024kB 
[  266.323471]  ? lock_downgrade+0x900/0x900
[  266.336956] (H) 
[  266.353177]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  266.362325] 0*2048kB 0*4096kB 
[  266.367852]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.370854] = 14012kB
[  266.374725]  ? should_fail+0x22d/0xd01
[  266.377802] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  266.381927]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  266.383878] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  266.388960]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  266.392121] 4986 total pagecache pages
[  266.397635]  ? should_fail+0x22d/0xd01
[  266.400014] 0 pages in swap cache
[  266.403884]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  266.412697] Swap cache stats: add 0, delete 0, find 0/0
[  266.418809]  ? mark_held_locks+0x130/0x130
[  266.427356] Free swap  = 0kB
[  266.432437]  ? kasan_check_write+0x14/0x20
[  266.436303] Total swap = 0kB
[  266.440170]  ? mark_held_locks+0x130/0x130
[  266.446368] 1965979 pages RAM
[  266.454927]  ? __account_cfs_rq_runtime+0x790/0x790
[  266.454942]  ? select_task_rq_fair+0x754/0x3500
[  266.460289] 0 pages HighMem/MovableOnly
[  266.464504]  ? lock_downgrade+0x900/0x900
[  266.467488] 342307 pages reserved
[  266.471705]  ? __cpu_to_node+0x7d/0xa0
[  266.475256] 0 pages cma reserved
[  266.479471]  ? account_entity_enqueue+0x3a3/0x660
[  266.482591] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  266.487545]  ? __enqueue_entity+0x10d/0x1f0
[  266.492781] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  266.499122]  ? check_preemption_disabled+0x48/0x200
[  266.503297] syz-executor4 cpuset=syz4 mems_allowed=0
[  266.551488]  __alloc_pages_nodemask+0xa80/0xde0
[  266.556149]  ? should_fail+0x22d/0xd01
[  266.560027]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  266.565046]  ? ____cache_alloc_node+0x1c7/0x1e0
[  266.569706]  ? lock_downgrade+0x900/0x900
[  266.573855]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.580389]  cache_grow_begin+0x91/0x8c0
[  266.584441]  ? do_raw_spin_unlock+0xa7/0x2f0
[  266.588839]  fallback_alloc+0x203/0x2e0
[  266.592807]  ____cache_alloc_node+0x1c7/0x1e0
[  266.597293]  kmem_cache_alloc_node+0xe3/0x730
[  266.601780]  ? ipv6_get_ifaddr+0x42e/0x620
[  266.606010]  __alloc_skb+0x119/0x770
[  266.609720]  ? skb_scrub_packet+0x490/0x490
[  266.614031]  ? lock_downgrade+0x900/0x900
[  266.618173]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.623705]  ? refcount_sub_and_test_checked+0x203/0x310
[  266.629763]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  266.637018]  ? addrconf_rs_timer+0x690/0x690
[  266.641426]  ndisc_alloc_skb+0x144/0x340
[  266.645483]  ndisc_send_rs+0x331/0x6e0
[  266.649363]  addrconf_rs_timer+0x314/0x690
[  266.653586]  ? lock_release+0x970/0x970
[  266.657555]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.661787]  call_timer_fn+0x272/0x920
[  266.665664]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.669890]  ? process_timeout+0x40/0x40
[  266.673943]  ? kasan_check_read+0x11/0x20
[  266.678079]  ? do_raw_spin_unlock+0xa7/0x2f0
[  266.682478]  ? trace_hardirqs_on+0x310/0x310
[  266.686878]  ? __run_timers+0x7da/0xc70
[  266.691715]  ? lock_downgrade+0x900/0x900
[  266.697110]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  266.704637]  ? trace_hardirqs_on+0xbd/0x310
[  266.710598]  ? kasan_check_read+0x11/0x20
[  266.716140]  ? __run_timers+0x7da/0xc70
[  266.720106]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  266.725550]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.731082]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.735799]  __run_timers+0x7e5/0xc70
[  266.739596]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  266.745430]  ? compat_start_thread+0x80/0x80
[  266.749851]  ? dequeue_entity+0x1770/0x1770
[  266.754165]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.760196]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.765729]  ? kasan_check_write+0x14/0x20
[  266.769954]  ? finish_task_switch+0x2f5/0x900
[  266.774444]  ? __switch_to_asm+0x40/0x70
[  266.778497]  ? preempt_notifier_register+0x200/0x200
[  266.783590]  ? __switch_to_asm+0x34/0x70
[  266.787641]  ? __switch_to_asm+0x40/0x70
[  266.791690]  ? __switch_to_asm+0x34/0x70
[  266.795744]  ? __switch_to_asm+0x40/0x70
[  266.799791]  ? __switch_to_asm+0x34/0x70
[  266.803843]  ? __switch_to_asm+0x40/0x70
[  266.807899]  ? pvclock_read_flags+0x160/0x160
[  266.812404]  ? __schedule+0x874/0x1ed0
[  266.816302]  ? run_rebalance_domains+0x38d/0x500
[  266.821404]  ? trace_hardirqs_on+0xbd/0x310
[  266.825721]  ? kvm_sched_clock_read+0x9/0x20
[  266.830142]  ? run_ksoftirqd+0x94/0x100
[  266.834614]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.840147]  ? check_preemption_disabled+0x48/0x200
[  266.845163]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.850713]  run_timer_softirq+0x52/0xb0
[  266.854770]  ? __this_cpu_preempt_check+0x1c/0x1f
[  266.859610]  __do_softirq+0x30b/0xad8
[  266.863412]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  266.868513]  ? trace_hardirqs_off+0xb8/0x310
[  266.872920]  ? schedule+0x108/0x460
[  266.876566]  ? __schedule+0x1ed0/0x1ed0
[  266.880554]  ? run_ksoftirqd+0x99/0x100
[  266.884534]  ? trace_hardirqs_off+0xb8/0x310
[  266.888934]  ? ___might_sleep+0x1ed/0x300
[  266.893526]  ? smpboot_thread_fn+0x68b/0xa00
[  266.897928]  ? trace_hardirqs_on+0x310/0x310
[  266.902332]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.908356]  ? check_preemption_disabled+0x48/0x200
[  266.913876]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.920560]  ? takeover_tasklets+0xa90/0xa90
[  266.924966]  run_ksoftirqd+0x94/0x100
[  266.928781]  smpboot_thread_fn+0x68b/0xa00
[  266.933050]  ? sort_range+0x30/0x30
[  266.937194]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  266.942294]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.947833]  ? __kthread_parkme+0xfb/0x1a0
[  266.952062]  kthread+0x35a/0x420
[  266.955421]  ? sort_range+0x30/0x30
[  266.959038]  ? kthread_bind+0x40/0x40
[  266.963725]  ret_from_fork+0x3a/0x50
[  266.968206] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  266.968251] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  266.975474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  266.975478] Call Trace:
[  266.975483]  <IRQ>
[  266.975501]  dump_stack+0x1c4/0x2b4
[  266.975518]  ? dump_stack_print_info.cold.2+0x52/0x52
[  266.982041] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  266.991333]  warn_alloc.cold.119+0xb7/0x1bd
[  266.993889] ksoftirqd/1 cpuset=
[  266.996026]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  266.999618] /
[  267.004794]  ? lock_downgrade+0x900/0x900
[  267.015073]  mems_allowed=0
[  267.036224]  ? trace_hardirqs_off+0xb8/0x310
[  267.040630]  ? trace_hardirqs_off+0xb8/0x310
[  267.045040]  __alloc_pages_slowpath+0x2667/0x2d80
[  267.049906]  ? warn_alloc+0x120/0x120
[  267.053702]  ? trace_hardirqs_on+0x310/0x310
[  267.058100]  ? warn_alloc+0x120/0x120
[  267.061903]  ? warn_alloc+0x120/0x120
[  267.065695]  ? ktime_get+0x2e1/0x440
[  267.069400]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.074928]  ? check_preemption_disabled+0x48/0x200
[  267.079931]  ? kasan_check_read+0x11/0x20
[  267.084068]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.089594]  ? should_fail+0x22d/0xd01
[  267.093470]  ? rcu_bh_qs+0xc0/0xc0
[  267.097000]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  267.102094]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.107636]  ? should_fail+0x22d/0xd01
[  267.111515]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  267.116605]  ? should_fail+0x22d/0xd01
[  267.120488]  ? rcu_idle_enter+0x4b0/0x4b0
[  267.124628]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  267.129724]  ? mark_held_locks+0x130/0x130
[  267.133948]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.139477]  ? mark_held_locks+0x130/0x130
[  267.143811]  ? rcu_irq_exit+0xce/0x100
[  267.147701]  ? irq_exit+0xbd/0x1c0
[  267.151247]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  267.156511]  ? do_raw_spin_unlock+0xa7/0x2f0
[  267.160928]  ? smp_call_function_single_interrupt+0x650/0x650
[  267.166802]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.172326]  ? ret_from_intr+0xb/0x1e
[  267.176115]  ? retint_kernel+0x2d/0x2d
[  267.180025]  ? trace_hardirqs_on_caller+0xc0/0x310
[  267.184945]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  267.189692]  ? trace_hardirqs_off+0x310/0x310
[  267.194183]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  267.199279]  __alloc_pages_nodemask+0xa80/0xde0
[  267.203937]  ? should_fail+0x22d/0xd01
[  267.207824]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  267.212841]  ? ____cache_alloc_node+0x1c7/0x1e0
[  267.217499]  ? lock_downgrade+0x900/0x900
[  267.221642]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.227198]  cache_grow_begin+0x91/0x8c0
[  267.231249]  ? do_raw_spin_unlock+0xa7/0x2f0
[  267.235650]  fallback_alloc+0x203/0x2e0
[  267.239623]  ____cache_alloc_node+0x1c7/0x1e0
[  267.244114]  kmem_cache_alloc_node+0xe3/0x730
[  267.248605]  ? ipv6_get_ifaddr+0x42e/0x620
[  267.252836]  __alloc_skb+0x119/0x770
[  267.256542]  ? skb_scrub_packet+0x490/0x490
[  267.260850]  ? lock_downgrade+0x900/0x900
[  267.264989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.270521]  ? refcount_sub_and_test_checked+0x203/0x310
[  267.275975]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  267.281415]  ? addrconf_rs_timer+0x690/0x690
[  267.285819]  ndisc_alloc_skb+0x144/0x340
[  267.289870]  ndisc_send_rs+0x331/0x6e0
[  267.293749]  addrconf_rs_timer+0x314/0x690
[  267.297976]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  267.302210]  call_timer_fn+0x272/0x920
[  267.306088]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  267.310314]  ? process_timeout+0x40/0x40
[  267.314365]  ? trace_hardirqs_off+0xb8/0x310
[  267.318759]  ? kasan_check_read+0x11/0x20
[  267.322895]  ? do_raw_spin_unlock+0xa7/0x2f0
[  267.327292]  ? trace_hardirqs_on+0x310/0x310
[  267.331690]  ? __run_timers+0x7da/0xc70
[  267.335658]  ? lock_downgrade+0x900/0x900
[  267.339814]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  267.344906]  ? trace_hardirqs_on+0xbd/0x310
[  267.349214]  ? kasan_check_read+0x11/0x20
[  267.353351]  ? __run_timers+0x7da/0xc70
[  267.358010]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  267.365690]  ? kasan_check_write+0x14/0x20
[  267.371545]  ? do_raw_spin_lock+0xc1/0x200
[  267.376036]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  267.380258]  __run_timers+0x7e5/0xc70
[  267.384058]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  267.389413]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  267.394505]  ? timerqueue_add+0x207/0x2b0
[  267.398648]  ? enqueue_hrtimer+0x1a5/0x560
[  267.403216]  ? lock_release+0x970/0x970
[  267.407178]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  267.412363]  ? kasan_check_write+0x14/0x20
[  267.416590]  ? pvclock_read_flags+0x160/0x160
[  267.421085]  ? lock_downgrade+0x900/0x900
[  267.425225]  ? trace_hardirqs_on+0xbd/0x310
[  267.429548]  ? kvm_sched_clock_read+0x9/0x20
[  267.433948]  ? irq_exit+0x17f/0x1c0
[  267.437574]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.443103]  ? check_preemption_disabled+0x48/0x200
[  267.448116]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.454811]  run_timer_softirq+0x52/0xb0
[  267.458870]  ? __this_cpu_preempt_check+0x1c/0x1f
[  267.463709]  __do_softirq+0x30b/0xad8
[  267.467509]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  267.472606]  ? pvclock_read_flags+0x160/0x160
[  267.478791]  ? lapic_next_event+0x5a/0x90
[  267.482931]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.488461]  ? clockevents_program_event+0x140/0x370
[  267.494413]  ? kvm_clock_read+0x18/0x30
[  267.498376]  ? kvm_sched_clock_read+0x9/0x20
[  267.502774]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.508974]  ? check_preemption_disabled+0x48/0x200
[  267.513984]  irq_exit+0x17f/0x1c0
[  267.517430]  smp_apic_timer_interrupt+0x1cb/0x760
[  267.522512]  ? smp_reschedule_interrupt+0x109/0x650
[  267.527532]  ? smp_call_function_single_interrupt+0x650/0x650
[  267.533403]  ? interrupt_entry+0xb5/0xf0
[  267.537457]  ? trace_hardirqs_off_caller+0xbb/0x310
[  267.542630]  ? trace_hardirqs_off_caller+0xbb/0x310
[  267.547637]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.552472]  ? trace_hardirqs_on_caller+0x310/0x310
[  267.557476]  ? trace_hardirqs_on_caller+0x310/0x310
[  267.562482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.568012]  ? check_preemption_disabled+0x48/0x200
[  267.573025]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.577860]  apic_timer_interrupt+0xf/0x20
[  267.582079]  </IRQ>
[  267.584315] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  267.589235] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  267.608143] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  267.617488] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  267.627089] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  267.635493] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  267.642754] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  267.650013] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  267.657295]  ? trace_hardirqs_on+0xb4/0x310
[  267.661613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.667157]  skb_clone+0x1bb/0x500
[  267.670686]  ? finish_task_switch+0x2f5/0x900
[  267.675172]  ? skb_split+0x11e0/0x11e0
[  267.679048]  ? preempt_notifier_register+0x200/0x200
[  267.684161]  ? __switch_to_asm+0x34/0x70
[  267.688226]  ? __switch_to_asm+0x34/0x70
[  267.692278]  ? __switch_to_asm+0x40/0x70
[  267.696325]  ? __switch_to_asm+0x34/0x70
[  267.701515]  ? __switch_to_asm+0x40/0x70
[  267.705837]  ? __switch_to_asm+0x34/0x70
[  267.709884]  ? __switch_to_asm+0x40/0x70
[  267.713932]  ? __switch_to_asm+0x34/0x70
[  267.717985]  ? __switch_to_asm+0x34/0x70
[  267.722035]  ? __switch_to_asm+0x40/0x70
[  267.726085]  ? __switch_to_asm+0x34/0x70
[  267.730153]  bpf_clone_redirect+0xb9/0x490
[  267.734386]  ? __schedule+0x874/0x1ed0
[  267.738408]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  267.743351]  ? __sched_text_start+0x8/0x8
[  267.747508]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  267.752259]  ? retint_kernel+0x2d/0x2d
[  267.756144]  ? lock_acquire+0x1ed/0x520
[  267.760110]  ? bpf_test_run+0x32e/0x5a0
[  267.764078]  ? lock_release+0x970/0x970
[  267.768046]  ? preempt_schedule+0x4d/0x60
[  267.772183]  ? preempt_schedule_common+0x1f/0xd0
[  267.776930]  ? preempt_schedule+0x4d/0x60
[  267.781067]  ? ___preempt_schedule+0x16/0x18
[  267.785473]  ? bpf_test_run+0x1c0/0x5a0
[  267.789444]  ? netlink_diag_dump+0x2a0/0x2a0
[  267.793843]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.799367]  ? bpf_test_init.isra.9+0x70/0x100
[  267.803938]  ? bpf_prog_test_run_skb+0x634/0xb40
[  267.808690]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  267.813519]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  267.819041]  ? fput+0x130/0x1a0
[  267.822322]  ? __bpf_prog_get+0x9b/0x290
[  267.826370]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  267.831201]  ? bpf_prog_test_run+0x130/0x1a0
[  267.835600]  ? __x64_sys_bpf+0x3d8/0x510
[  267.839653]  ? bpf_prog_get+0x20/0x20
[  267.843454]  ? do_syscall_64+0x1b9/0x820
[  267.847958]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  267.855384]  ? syscall_return_slowpath+0x5e0/0x5e0
[  267.860307]  ? trace_hardirqs_on_caller+0x310/0x310
[  267.865325]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  267.870335]  ? recalc_sigpending_tsk+0x180/0x180
[  267.875108]  ? kasan_check_write+0x14/0x20
[  267.879342]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.884175]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  267.889539] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  267.889543] warn_alloc_show_mem: 1 callbacks suppressed
[  267.889549] Mem-Info:
[  267.896372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  267.896379] Call Trace:
[  267.901741] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  267.901741]  active_file:16 inactive_file:17 isolated_file:0
[  267.901741]  unevictable:0 dirty:0 writeback:0 unstable:0
[  267.901741]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  267.901741]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  267.901741]  free:13792 free_pcp:309 free_cma:0
[  267.904117]  dump_stack+0x1c4/0x2b4
[  267.913463] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  267.916540]  ? dump_stack_print_info.cold.2+0x52/0x52
[  267.949558] Node 0 
[  267.953170]  ? isolate_lru_page+0x22e0/0x22e0
[  267.981145] 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
[  267.986306]  warn_alloc.cold.119+0xb7/0x1bd
[  267.988505] lowmem_reserve[]:
[  267.992984]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  268.018457]  0
[  268.022764]  ? lock_downgrade+0x900/0x900
[  268.025833]  2819 6323
[  268.030664]  ? trace_hardirqs_off+0xb8/0x310
[  268.032435]  6323
[  268.036567]  ? trace_hardirqs_off+0xb8/0x310
[  268.043459]  __alloc_pages_slowpath+0x2667/0x2d80
[  268.045490] Node 0 
[  268.049889]  ? mark_held_locks+0x130/0x130
[  268.054716] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  268.056921]  ? warn_alloc+0x120/0x120
[  268.062517] lowmem_reserve[]: 0
[  268.090006]  ? warn_alloc+0x120/0x120
[  268.093792]  0
[  268.097052]  ? warn_alloc+0x120/0x120
[  268.100829]  3503
[  268.102637]  ? mark_held_locks+0x130/0x130
[  268.106406]  3503
[  268.108456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.115186]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.120684] Node 0 
[  268.126205]  ? should_fail+0x22d/0xd01
[  268.126228] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  268.126234] lowmem_reserve[]:
[  268.128457]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.132311]  0
[  268.161759]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.164841]  0
[  268.169935]  ? should_fail+0x22d/0xd01
[  268.171705]  0
[  268.177922]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.179690]  0
[  268.183569]  ? should_fail+0x22d/0xd01
[  268.190426]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.192487] Node 0 
[  268.197421]  ? mark_held_locks+0x130/0x130
[  268.204386] DMA: 1*4kB 
[  268.206788]  ? mark_held_locks+0x130/0x130
[  268.212029] (U) 
[  268.215465]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.220025] 0*8kB 
[  268.221985]  ? trace_hardirqs_off+0xb8/0x310
[  268.227495] 0*16kB 1*32kB 
[  268.229638]  ? kasan_check_read+0x11/0x20
[  268.234012] (U) 
[  268.236842]  ? do_raw_spin_unlock+0xa7/0x2f0
[  268.240952] 2*64kB (U) 
[  268.243618]  ? trace_hardirqs_on+0x310/0x310
[  268.248003] 1*128kB (U) 
[  268.250585]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.254955] 1*256kB 
[  268.257609]  ? wq_watchdog_touch+0x9c/0xfe
[  268.263112] (U) 
[  268.265421]  ? io_serial_in+0x11/0x90
[  268.269624] 0*512kB 
[  268.271587]  ? retint_kernel+0x2d/0x2d
[  268.275349] 1*1024kB 
[  268.278130]  ? trace_hardirqs_on_caller+0xc0/0x310
[  268.281986] (U) 
[  268.284379]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  268.289272] 1*2048kB 
[  268.291254]  ? trace_hardirqs_off+0x310/0x310
[  268.295977] (M) 
[  268.298374]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  268.302835] 3*4096kB 
[  268.304799]  __alloc_pages_nodemask+0xa80/0xde0
[  268.309864] (M) 
[  268.312259]  ? should_fail+0x22d/0xd01
[  268.316895] = 15908kB
[  268.318855]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  268.322710] Node 0 
[  268.325114]  ? ____cache_alloc_node+0x1c7/0x1e0
[  268.330190] DMA32: 
[  268.332415]  ? lock_downgrade+0x900/0x900
[  268.337056] 6*4kB 
[  268.339752]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.343892] (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB
[  268.343961] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB
[  268.344032] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  268.344038] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  268.344041] 4986 total pagecache pages
[  268.344053] 0 pages in swap cache
[  268.344059] Swap cache stats: add 0, delete 0, find 0/0
[  268.344066] Free swap  = 0kB
[  268.346206]  cache_grow_begin+0x91/0x8c0
[  268.351709] Total swap = 0kB
[  268.366448]  ? do_raw_spin_unlock+0xa7/0x2f0
[  268.381155] 1965979 pages RAM
[  268.389975]  fallback_alloc+0x203/0x2e0
[  268.398532] 0 pages HighMem/MovableOnly
[  268.398539] 342307 pages reserved
[  268.402417]  ____cache_alloc_node+0x1c7/0x1e0
[  268.405830] 0 pages cma reserved
[  268.405885] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  268.411184]  kmem_cache_alloc_node+0xe3/0x730
[  268.411197]  ? ipv6_get_ifaddr+0x42e/0x620
[  268.411213]  __alloc_skb+0x119/0x770
[  268.414246] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  268.418263]  ? skb_scrub_packet+0x490/0x490
[  268.421252] syz-executor4 cpuset=
[  268.425646]  ? lock_downgrade+0x900/0x900
[  268.428721] syz4
[  268.432691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.436633]  mems_allowed=0
[  268.440079]  ? refcount_sub_and_test_checked+0x203/0x310
[  268.509994]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  268.515966]  ? addrconf_rs_timer+0x690/0x690
[  268.520371]  ndisc_alloc_skb+0x144/0x340
[  268.524429]  ndisc_send_rs+0x331/0x6e0
[  268.528308]  addrconf_rs_timer+0x314/0x690
[  268.532993]  ? lock_release+0x970/0x970
[  268.536959]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.541189]  call_timer_fn+0x272/0x920
[  268.546578]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.555912]  ? process_timeout+0x40/0x40
[  268.560589]  ? kasan_check_read+0x11/0x20
[  268.564728]  ? do_raw_spin_unlock+0xa7/0x2f0
[  268.569127]  ? trace_hardirqs_on+0x310/0x310
[  268.573524]  ? __run_timers+0x7da/0xc70
[  268.578130]  ? lock_downgrade+0x900/0x900
[  268.582366]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  268.587901]  ? trace_hardirqs_on+0xbd/0x310
[  268.592209]  ? kasan_check_read+0x11/0x20
[  268.596814]  ? __run_timers+0x7da/0xc70
[  268.601452]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  268.607373]  ? kasan_check_write+0x14/0x20
[  268.611596]  ? do_raw_spin_lock+0xc1/0x200
[  268.615829]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.620054]  __run_timers+0x7e5/0xc70
[  268.623851]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  268.629210]  ? compat_start_thread+0x80/0x80
[  268.633604]  ? dequeue_entity+0x1770/0x1770
[  268.637918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.643456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.649084]  ? kasan_check_write+0x14/0x20
[  268.653325]  ? finish_task_switch+0x2f5/0x900
[  268.659058]  ? __switch_to_asm+0x40/0x70
[  268.663547]  ? preempt_notifier_register+0x200/0x200
[  268.668637]  ? __switch_to_asm+0x34/0x70
[  268.672685]  ? __switch_to_asm+0x40/0x70
[  268.676749]  ? __switch_to_asm+0x34/0x70
[  268.681233]  ? __switch_to_asm+0x40/0x70
[  268.685280]  ? __switch_to_asm+0x34/0x70
[  268.689328]  ? __switch_to_asm+0x40/0x70
[  268.693395]  ? pvclock_read_flags+0x160/0x160
[  268.697882]  ? __schedule+0x874/0x1ed0
[  268.702584]  ? run_rebalance_domains+0x38d/0x500
[  268.707334]  ? trace_hardirqs_on+0xbd/0x310
[  268.711656]  ? kvm_sched_clock_read+0x9/0x20
[  268.716058]  ? run_ksoftirqd+0x94/0x100
[  268.720031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.725563]  ? check_preemption_disabled+0x48/0x200
[  268.730569]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.736102]  run_timer_softirq+0x52/0xb0
[  268.740153]  ? __this_cpu_preempt_check+0x1c/0x1f
[  268.745497]  __do_softirq+0x30b/0xad8
[  268.749292]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  268.754383]  ? trace_hardirqs_off+0xb8/0x310
[  268.758783]  ? schedule+0x108/0x460
[  268.762404]  ? __schedule+0x1ed0/0x1ed0
[  268.766368]  ? run_ksoftirqd+0x99/0x100
[  268.771550]  ? trace_hardirqs_off+0xb8/0x310
[  268.777027]  ? ___might_sleep+0x1ed/0x300
[  268.781614]  ? smpboot_thread_fn+0x68b/0xa00
[  268.786019]  ? trace_hardirqs_on+0x310/0x310
[  268.790881]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.796417]  ? check_preemption_disabled+0x48/0x200
[  268.801420]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.807399]  ? takeover_tasklets+0xa90/0xa90
[  268.811797]  run_ksoftirqd+0x94/0x100
[  268.815586]  smpboot_thread_fn+0x68b/0xa00
[  268.819812]  ? sort_range+0x30/0x30
[  268.823430]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  268.828520]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.834052]  ? __kthread_parkme+0xfb/0x1a0
[  268.838279]  kthread+0x35a/0x420
[  268.841633]  ? sort_range+0x30/0x30
[  268.845250]  ? kthread_bind+0x40/0x40
[  268.849057]  ret_from_fork+0x3a/0x50
[  268.852769] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  268.852816] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  268.860041] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  268.866576] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  268.875851] Call Trace:
[  268.886596] ksoftirqd/1 cpuset=
[  268.889160]  <IRQ>
[  268.889162] / mems_allowed=0
[  268.892434]  dump_stack+0x1c4/0x2b4
[  268.901159]  ? dump_stack_print_info.cold.2+0x52/0x52
[  268.906343]  warn_alloc.cold.119+0xb7/0x1bd
[  268.910655]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  268.915492]  ? lock_downgrade+0x900/0x900
[  268.919635]  ? trace_hardirqs_off+0xb8/0x310
[  268.924123]  ? trace_hardirqs_off+0xb8/0x310
[  268.928527]  __alloc_pages_slowpath+0x2667/0x2d80
[  268.933545]  ? warn_alloc+0x120/0x120
[  268.937339]  ? warn_alloc+0x120/0x120
[  268.941131]  ? warn_alloc+0x120/0x120
[  268.944921]  ? mark_held_locks+0x130/0x130
[  268.949151]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.954680]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.960209]  ? should_fail+0x22d/0xd01
[  268.964093]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.969186]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.974710]  ? should_fail+0x22d/0xd01
[  268.978592]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.983685]  ? should_fail+0x22d/0xd01
[  268.987836]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.992930]  ? mark_held_locks+0x130/0x130
[  268.997149]  ? mark_held_locks+0x130/0x130
[  269.001370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.006900]  ? trace_hardirqs_off+0xb8/0x310
[  269.011295]  ? kasan_check_read+0x11/0x20
[  269.015438]  ? do_raw_spin_unlock+0xa7/0x2f0
[  269.019839]  ? trace_hardirqs_on+0x310/0x310
[  269.024239]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.029784]  ? wq_watchdog_touch+0x9c/0xfe
[  269.034019]  ? io_serial_in+0x11/0x90
[  269.037810]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.043340]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  269.048436]  __alloc_pages_nodemask+0xa80/0xde0
[  269.053093]  ? should_fail+0x22d/0xd01
[  269.056970]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  269.062005]  ? ____cache_alloc_node+0x1c7/0x1e0
[  269.066671]  ? lock_downgrade+0x900/0x900
[  269.070815]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.076343]  cache_grow_begin+0x91/0x8c0
[  269.080399]  ? do_raw_spin_unlock+0xa7/0x2f0
[  269.084796]  fallback_alloc+0x203/0x2e0
[  269.088764]  ____cache_alloc_node+0x1c7/0x1e0
[  269.093252]  kmem_cache_alloc_node+0xe3/0x730
[  269.097737]  ? ipv6_get_ifaddr+0x42e/0x620
[  269.101968]  __alloc_skb+0x119/0x770
[  269.105683]  ? skb_scrub_packet+0x490/0x490
[  269.110001]  ? lock_downgrade+0x900/0x900
[  269.114148]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.119676]  ? refcount_sub_and_test_checked+0x203/0x310
[  269.125120]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  269.130560]  ? addrconf_rs_timer+0x690/0x690
[  269.134966]  ndisc_alloc_skb+0x144/0x340
[  269.139029]  ndisc_send_rs+0x331/0x6e0
[  269.142907]  addrconf_rs_timer+0x314/0x690
[  269.147136]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.151370]  call_timer_fn+0x272/0x920
[  269.155245]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.159556]  ? process_timeout+0x40/0x40
[  269.163605]  ? trace_hardirqs_off+0xb8/0x310
[  269.168008]  ? kasan_check_read+0x11/0x20
[  269.172172]  ? do_raw_spin_unlock+0xa7/0x2f0
[  269.176571]  ? trace_hardirqs_on+0x310/0x310
[  269.180996]  ? __run_timers+0x7da/0xc70
[  269.185057]  ? lock_downgrade+0x900/0x900
[  269.189199]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  269.194297]  ? trace_hardirqs_on+0xbd/0x310
[  269.199386]  ? kasan_check_read+0x11/0x20
[  269.204913]  ? __run_timers+0x7da/0xc70
[  269.210383]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  269.216777]  ? kasan_check_write+0x14/0x20
[  269.222736]  ? do_raw_spin_lock+0xc1/0x200
[  269.228336]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.233518]  __run_timers+0x7e5/0xc70
[  269.237313]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  269.242665]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  269.247687]  ? timerqueue_add+0x207/0x2b0
[  269.252693]  ? enqueue_hrtimer+0x1a5/0x560
[  269.257960]  ? lock_release+0x970/0x970
[  269.261936]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  269.267116]  ? kasan_check_write+0x14/0x20
[  269.271346]  ? pvclock_read_flags+0x160/0x160
[  269.275832]  ? lock_downgrade+0x900/0x900
[  269.279980]  ? trace_hardirqs_on+0xbd/0x310
[  269.284307]  ? kvm_sched_clock_read+0x9/0x20
[  269.288705]  ? irq_exit+0x17f/0x1c0
[  269.292324]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.297850]  ? check_preemption_disabled+0x48/0x200
[  269.302855]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.308383]  run_timer_softirq+0x52/0xb0
[  269.312577]  ? __this_cpu_preempt_check+0x1c/0x1f
[  269.317413]  __do_softirq+0x30b/0xad8
[  269.321220]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  269.326313]  ? pvclock_read_flags+0x160/0x160
[  269.330796]  ? lapic_next_event+0x5a/0x90
[  269.334933]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.340467]  ? clockevents_program_event+0x140/0x370
[  269.345562]  ? kvm_clock_read+0x18/0x30
[  269.349528]  ? kvm_sched_clock_read+0x9/0x20
[  269.353927]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.359455]  ? check_preemption_disabled+0x48/0x200
[  269.364482]  irq_exit+0x17f/0x1c0
[  269.367925]  smp_apic_timer_interrupt+0x1cb/0x760
[  269.372759]  ? smp_reschedule_interrupt+0x109/0x650
[  269.377762]  ? smp_call_function_single_interrupt+0x650/0x650
[  269.383636]  ? interrupt_entry+0xb5/0xf0
[  269.387691]  ? trace_hardirqs_off_caller+0xbb/0x310
[  269.392696]  ? trace_hardirqs_off_caller+0xbb/0x310
[  269.397706]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  269.402538]  ? trace_hardirqs_on_caller+0x310/0x310
[  269.407540]  ? trace_hardirqs_on_caller+0x310/0x310
[  269.412555]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.418083]  ? check_preemption_disabled+0x48/0x200
[  269.423176]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  269.428010]  apic_timer_interrupt+0xf/0x20
[  269.432239]  </IRQ>
[  269.434465] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  269.439391] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  269.458901] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  269.466602] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  269.475222] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  269.482481] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  269.490009] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  269.497267] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  269.505506]  ? trace_hardirqs_on+0xb4/0x310
[  269.509828]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.515361]  skb_clone+0x1bb/0x500
[  269.518892]  ? finish_task_switch+0x2f5/0x900
[  269.524283]  ? skb_split+0x11e0/0x11e0
[  269.528159]  ? preempt_notifier_register+0x200/0x200
[  269.533248]  ? __switch_to_asm+0x34/0x70
[  269.537306]  ? __switch_to_asm+0x34/0x70
[  269.541358]  ? __switch_to_asm+0x40/0x70
[  269.545419]  ? __switch_to_asm+0x34/0x70
[  269.549470]  ? __switch_to_asm+0x40/0x70
[  269.553522]  ? __switch_to_asm+0x34/0x70
[  269.557570]  ? __switch_to_asm+0x40/0x70
[  269.561618]  ? __switch_to_asm+0x34/0x70
[  269.565684]  ? __switch_to_asm+0x34/0x70
[  269.569737]  ? __switch_to_asm+0x40/0x70
[  269.573783]  ? __switch_to_asm+0x34/0x70
[  269.577839]  bpf_clone_redirect+0xb9/0x490
[  269.582068]  ? __schedule+0x874/0x1ed0
[  269.585958]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  269.590884]  ? __sched_text_start+0x8/0x8
[  269.595135]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  269.599878]  ? retint_kernel+0x2d/0x2d
[  269.603754]  ? lock_acquire+0x1ed/0x520
[  269.607719]  ? bpf_test_run+0x32e/0x5a0
[  269.611689]  ? lock_release+0x970/0x970
[  269.615650]  ? preempt_schedule+0x4d/0x60
[  269.619788]  ? preempt_schedule_common+0x1f/0xd0
[  269.624533]  ? preempt_schedule+0x4d/0x60
[  269.628669]  ? ___preempt_schedule+0x16/0x18
[  269.633069]  ? bpf_test_run+0x1c0/0x5a0
[  269.637038]  ? netlink_diag_dump+0x2a0/0x2a0
[  269.641436]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.647137]  ? bpf_test_init.isra.9+0x70/0x100
[  269.651711]  ? bpf_prog_test_run_skb+0x634/0xb40
[  269.656457]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  269.661292]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  269.666819]  ? fput+0x130/0x1a0
[  269.670086]  ? __bpf_prog_get+0x9b/0x290
[  269.674137]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  269.678971]  ? bpf_prog_test_run+0x130/0x1a0
[  269.683378]  ? __x64_sys_bpf+0x3d8/0x510
[  269.687449]  ? bpf_prog_get+0x20/0x20
[  269.691439]  ? do_syscall_64+0x1b9/0x820
[  269.695519]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  269.700873]  ? syscall_return_slowpath+0x5e0/0x5e0
[  269.705793]  ? trace_hardirqs_on_caller+0x310/0x310
[  269.710800]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  269.715807]  ? recalc_sigpending_tsk+0x180/0x180
[  269.720563]  ? kasan_check_write+0x14/0x20
[  269.724789]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  269.729627]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  269.734985] warn_alloc_show_mem: 1 callbacks suppressed
[  269.734994] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  269.734996] Mem-Info:
[  269.735024] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  269.735024]  active_file:16 inactive_file:17 isolated_file:0
[  269.735024]  unevictable:0 dirty:0 writeback:0 unstable:0
[  269.735024]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  269.735024]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  269.735024]  free:13792 free_pcp:309 free_cma:0
[  269.740357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  269.747206] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  269.749593] Call Trace:
[  269.782629] Node 0 
[  269.791984]  dump_stack+0x1c4/0x2b4
[  269.819819] 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
[  269.822373]  ? dump_stack_print_info.cold.2+0x52/0x52
[  269.824577] lowmem_reserve[]:
[  269.828190]  ? isolate_lru_page+0x22e0/0x22e0
[  269.853668]  0
[  269.858843]  warn_alloc.cold.119+0xb7/0x1bd
[  269.862116]  2819 6323
[  269.868312]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  269.870084]  6323
[  269.874388]  ? lock_downgrade+0x900/0x900
[  269.881689]  ? trace_hardirqs_off+0xb8/0x310
[  269.883720] Node 0 
[  269.887854]  ? trace_hardirqs_off+0xb8/0x310
[  269.892251] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  269.894457]  __alloc_pages_slowpath+0x2667/0x2d80
[  269.898827] lowmem_reserve[]: 0
[  269.926382]  ? mark_held_locks+0x130/0x130
[  269.931188]  0
[  269.934453]  ? warn_alloc+0x120/0x120
[  269.938655]  3503
[  269.940449]  ? warn_alloc+0x120/0x120
[  269.944214]  3503
[  269.946262]  ? warn_alloc+0x120/0x120
[  269.952073]  ? mark_held_locks+0x130/0x130
[  269.955840] Node 0 Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  269.960079]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.960095]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.989344] lowmem_reserve[]:
[  269.995358]  ? should_fail+0x22d/0xd01
[  270.000872]  0 0
[  270.003972]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  270.007819]  0 0
[  270.009783]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.009798]  ? should_fail+0x22d/0xd01
[  270.016827]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  270.022332] Node 0 
[  270.026204]  ? should_fail+0x22d/0xd01
[  270.031273] DMA: 1*4kB 
[  270.033503]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  270.037359] (U) 
[  270.039933]  ? mark_held_locks+0x130/0x130
[  270.045009] 0*8kB 
[  270.046989]  ? mark_held_locks+0x130/0x130
[  270.051190] 0*16kB 1*32kB 
[  270.053333]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.057533] (U) 
[  270.060361]  ? trace_hardirqs_off+0xb8/0x310
[  270.065876] 2*64kB 
[  270.067835]  ? kasan_check_read+0x11/0x20
[  270.072211] (U) 
[  270.074438]  ? do_raw_spin_unlock+0xa7/0x2f0
[  270.078547] 1*128kB 
[  270.080508]  ? trace_hardirqs_on+0x310/0x310
[  270.084883] (U) 
[  270.087199]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.091580] 1*256kB (U) 
[  270.093543]  ? wq_watchdog_touch+0x9c/0xfe
[  270.099049] 0*512kB 
[  270.101702]  ? io_serial_in+0x11/0x90
[  270.105909] 1*1024kB 
[  270.108218]  ? retint_kernel+0x2d/0x2d
[  270.112429] (U) 1*2048kB 
[  270.114859]  ? trace_hardirqs_on_caller+0xc0/0x310
[  270.118707] (M) 
[  270.121448]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  270.126337] 3*4096kB (M) 
[  270.128306]  ? trace_hardirqs_off+0x310/0x310
[  270.133039] = 15908kB
[  270.133047] Node 0 
[  270.135792]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  270.140256] DMA32: 
[  270.142655]  __alloc_pages_nodemask+0xa80/0xde0
[  270.144857] 6*4kB 
[  270.149944]  ? should_fail+0x22d/0xd01
[  270.152149] (UME) 
[  270.156799]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  270.158940] 2*8kB 
[  270.162818]  ? ____cache_alloc_node+0x1c7/0x1e0
[  270.164933] (UE) 
[  270.169952]  ? lock_downgrade+0x900/0x900
[  270.172069] 4*16kB 
[  270.176719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.178746] (UME) 
[  270.182878]  cache_grow_begin+0x91/0x8c0
[  270.185084] 4*32kB (UME) 
[  270.190610]  ? do_raw_spin_unlock+0xa7/0x2f0
[  270.192728] 5*64kB 
[  270.196785]  fallback_alloc+0x203/0x2e0
[  270.199509] (ME) 
[  270.204451]  ____cache_alloc_node+0x1c7/0x1e0
[  270.206657] 5*128kB 
[  270.210617]  kmem_cache_alloc_node+0xe3/0x730
[  270.212661] (UME) 
[  270.217571]  ? ipv6_get_ifaddr+0x42e/0x620
[  270.219861] 4*256kB 
[  270.224341]  __alloc_skb+0x119/0x770
[  270.226457] (ME) 
[  270.230672]  ? skb_scrub_packet+0x490/0x490
[  270.232967] 5*512kB 
[  270.236674]  ? lock_downgrade+0x900/0x900
[  270.238703] (UME) 
[  270.243010]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.245303] 4*1024kB 
[  270.249435]  ? refcount_sub_and_test_checked+0x203/0x310
[  270.251549] (UME) 
[  270.257068]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  270.259446] 2*2048kB 
[  270.264897]  ? addrconf_rs_timer+0x690/0x690
[  270.267011] (ME) 
[  270.272457]  ndisc_alloc_skb+0x144/0x340
[  270.274831] 3*4096kB 
[  270.279702]  ndisc_send_rs+0x331/0x6e0
[  270.281732] (M) 
[  270.285777]  addrconf_rs_timer+0x314/0x690
[  270.288158] = 25256kB
[  270.292494]  ? lock_release+0x970/0x970
[  270.294440] Node 0 
[  270.298657]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.301034] Normal: 
[  270.304999]  call_timer_fn+0x272/0x920
[  270.307202] 1063*4kB 
[  270.311425]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.313715] (UMEH) 
[  270.317588]  ? process_timeout+0x40/0x40
[  270.319969] 420*8kB 
[  270.324182]  ? kasan_check_read+0x11/0x20
[  270.326386] (UME) 
[  270.330446]  ? do_raw_spin_unlock+0xa7/0x2f0
[  270.332738] 170*16kB 
[  270.336887]  ? trace_hardirqs_on+0x310/0x310
[  270.339001] (UMEH) 
[  270.343393]  ? __run_timers+0x7da/0xc70
[  270.345776] 65*32kB 
[  270.350168]  ? lock_downgrade+0x900/0x900
[  270.352374] (UME) 
[  270.356331]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  270.358624] 9*64kB 
[  270.362752]  ? trace_hardirqs_on+0xbd/0x310
[  270.364880] (UM) 
[  270.369976]  ? kasan_check_read+0x11/0x20
[  270.372279] 0*128kB 0*256kB 
[  270.376596]  ? __run_timers+0x7da/0xc70
[  270.378628] 0*512kB 
[  270.382790]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  270.385775] 1*1024kB 
[  270.389730]  ? kasan_check_write+0x14/0x20
[  270.392021] (H) 
[  270.397453]  ? do_raw_spin_lock+0xc1/0x200
[  270.399832] 0*2048kB 
[  270.405274]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.405289]  __run_timers+0x7e5/0xc70
[  270.407239] 0*4096kB 
[  270.411462]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  270.413839] = 14012kB
[  270.418056]  ? compat_start_thread+0x80/0x80
[  270.421833] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  270.424220]  ? dequeue_entity+0x1770/0x1770
[  270.429556] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  270.432438]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.436828] 4986 total pagecache pages
[  270.445645]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.452216] 0 pages in swap cache
[  270.452222] Swap cache stats: add 0, delete 0, find 0/0
[  270.452225] Free swap  = 0kB
[  270.452227] Total swap = 0kB
[  270.452232] 1965979 pages RAM
[  270.452234] 0 pages HighMem/MovableOnly
[  270.452237] 342307 pages reserved
[  270.452239] 0 pages cma reserved
[  270.452299] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  270.452337] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  270.452340] syz-executor4 cpuset=syz4 mems_allowed=0
[  270.532721]  ? kasan_check_write+0x14/0x20
[  270.536964]  ? finish_task_switch+0x2f5/0x900
[  270.542010]  ? __switch_to_asm+0x40/0x70
[  270.547153]  ? preempt_notifier_register+0x200/0x200
[  270.552246]  ? __switch_to_asm+0x34/0x70
[  270.556390]  ? __switch_to_asm+0x40/0x70
[  270.560910]  ? __switch_to_asm+0x34/0x70
[  270.564983]  ? __switch_to_asm+0x40/0x70
[  270.569032]  ? __switch_to_asm+0x34/0x70
[  270.573081]  ? __switch_to_asm+0x40/0x70
[  270.577152]  ? pvclock_read_flags+0x160/0x160
[  270.581637]  ? __schedule+0x874/0x1ed0
[  270.586037]  ? run_rebalance_domains+0x38d/0x500
[  270.590808]  ? trace_hardirqs_on+0xbd/0x310
[  270.595604]  ? kvm_sched_clock_read+0x9/0x20
[  270.600002]  ? run_ksoftirqd+0x94/0x100
[  270.603968]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.609497]  ? check_preemption_disabled+0x48/0x200
[  270.614508]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.620422]  run_timer_softirq+0x52/0xb0
[  270.624474]  ? __this_cpu_preempt_check+0x1c/0x1f
[  270.629308]  __do_softirq+0x30b/0xad8
[  270.633103]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  270.638193]  ? trace_hardirqs_off+0xb8/0x310
[  270.642595]  ? schedule+0x108/0x460
[  270.646211]  ? __schedule+0x1ed0/0x1ed0
[  270.650174]  ? run_ksoftirqd+0x99/0x100
[  270.654138]  ? trace_hardirqs_off+0xb8/0x310
[  270.658540]  ? ___might_sleep+0x1ed/0x300
[  270.662692]  ? smpboot_thread_fn+0x68b/0xa00
[  270.667130]  ? trace_hardirqs_on+0x310/0x310
[  270.671528]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.677069]  ? check_preemption_disabled+0x48/0x200
[  270.682079]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.687608]  ? takeover_tasklets+0xa90/0xa90
[  270.692368]  run_ksoftirqd+0x94/0x100
[  270.696166]  smpboot_thread_fn+0x68b/0xa00
[  270.700392]  ? sort_range+0x30/0x30
[  270.704012]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  270.709106]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.714636]  ? __kthread_parkme+0xfb/0x1a0
[  270.718872]  kthread+0x35a/0x420
[  270.722230]  ? sort_range+0x30/0x30
[  270.725852]  ? kthread_bind+0x40/0x40
[  270.729644]  ret_from_fork+0x3a/0x50
[  270.733368] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  270.733420] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  270.740805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  270.740862] Call Trace:
[  270.740872]  <IRQ>
[  270.740891]  dump_stack+0x1c4/0x2b4
[  270.747399] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  270.756713]  ? dump_stack_print_info.cold.2+0x52/0x52
[  270.759272] ksoftirqd/1 cpuset=
[  270.761413]  warn_alloc.cold.119+0xb7/0x1bd
[  270.765002] /
[  270.775299]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  270.780457]  mems_allowed=0
[  270.783717]  ? lock_downgrade+0x900/0x900
[  270.801557]  ? trace_hardirqs_off+0xb8/0x310
[  270.805958]  ? trace_hardirqs_off+0xb8/0x310
[  270.810366]  __alloc_pages_slowpath+0x2667/0x2d80
[  270.815214]  ? warn_alloc+0x120/0x120
[  270.819007]  ? warn_alloc+0x120/0x120
[  270.822798]  ? warn_alloc+0x120/0x120
[  270.826592]  ? lock_release+0x970/0x970
[  270.830556]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  270.835739]  ? trace_hardirqs_on+0x310/0x310
[  270.840141]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.845671]  ? should_fail+0x22d/0xd01
[  270.849549]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  270.854654]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.860194]  ? should_fail+0x22d/0xd01
[  270.864075]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  270.869171]  ? should_fail+0x22d/0xd01
[  270.873051]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  270.878147]  ? mark_held_locks+0x130/0x130
[  270.882375]  ? mark_held_locks+0x130/0x130
[  270.886624]  ? kvm_clock_read+0x18/0x30
[  270.890605]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  270.895612]  ? ktime_get+0x2e1/0x440
[  270.899318]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.904862]  ? check_preemption_disabled+0x48/0x200
[  270.909882]  ? kasan_check_read+0x11/0x20
[  270.914025]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  270.919297]  ? rcu_bh_qs+0xc0/0xc0
[  270.922833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.928411]  ? check_preemption_disabled+0x48/0x200
[  270.933415]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  270.938419]  ? widen_string+0xe0/0x2e0
[  270.942337]  __alloc_pages_nodemask+0xa80/0xde0
[  270.946997]  ? should_fail+0x22d/0xd01
[  270.950882]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  270.955905]  ? ____cache_alloc_node+0x1c7/0x1e0
[  270.960562]  ? lock_downgrade+0x900/0x900
[  270.964706]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.970238]  cache_grow_begin+0x91/0x8c0
[  270.974288]  ? do_raw_spin_unlock+0xa7/0x2f0
[  270.978690]  fallback_alloc+0x203/0x2e0
[  270.982658]  ____cache_alloc_node+0x1c7/0x1e0
[  270.987151]  kmem_cache_alloc_node+0xe3/0x730
[  270.991640]  ? ipv6_get_ifaddr+0x42e/0x620
[  270.995906]  __alloc_skb+0x119/0x770
[  270.999614]  ? skb_scrub_packet+0x490/0x490
[  271.003942]  ? lock_downgrade+0x900/0x900
[  271.008087]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.013623]  ? refcount_sub_and_test_checked+0x203/0x310
[  271.019088]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  271.024548]  ? addrconf_rs_timer+0x690/0x690
[  271.028970]  ndisc_alloc_skb+0x144/0x340
[  271.033026]  ndisc_send_rs+0x331/0x6e0
[  271.036911]  addrconf_rs_timer+0x314/0x690
[  271.041140]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.045374]  call_timer_fn+0x272/0x920
[  271.049255]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.053479]  ? process_timeout+0x40/0x40
[  271.057532]  ? trace_hardirqs_off+0xb8/0x310
[  271.061944]  ? kasan_check_read+0x11/0x20
[  271.066084]  ? do_raw_spin_unlock+0xa7/0x2f0
[  271.070481]  ? trace_hardirqs_on+0x310/0x310
[  271.074880]  ? __run_timers+0x7da/0xc70
[  271.078851]  ? lock_downgrade+0x900/0x900
[  271.082993]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  271.088085]  ? trace_hardirqs_on+0xbd/0x310
[  271.092394]  ? kasan_check_read+0x11/0x20
[  271.096537]  ? __run_timers+0x7da/0xc70
[  271.100505]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  271.105944]  ? kasan_check_write+0x14/0x20
[  271.110170]  ? do_raw_spin_lock+0xc1/0x200
[  271.114398]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.118623]  __run_timers+0x7e5/0xc70
[  271.122423]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  271.127780]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  271.132814]  ? timerqueue_add+0x207/0x2b0
[  271.136959]  ? enqueue_hrtimer+0x1a5/0x560
[  271.141183]  ? lock_release+0x970/0x970
[  271.145149]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  271.150331]  ? kasan_check_write+0x14/0x20
[  271.154563]  ? pvclock_read_flags+0x160/0x160
[  271.159050]  ? lock_downgrade+0x900/0x900
[  271.163189]  ? trace_hardirqs_on+0xbd/0x310
[  271.167497]  ? kvm_sched_clock_read+0x9/0x20
[  271.171897]  ? irq_exit+0x17f/0x1c0
[  271.175515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.181050]  ? check_preemption_disabled+0x48/0x200
[  271.186056]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.191601]  run_timer_softirq+0x52/0xb0
[  271.195656]  ? __this_cpu_preempt_check+0x1c/0x1f
[  271.200488]  __do_softirq+0x30b/0xad8
[  271.204285]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  271.209385]  ? pvclock_read_flags+0x160/0x160
[  271.213884]  ? lapic_next_event+0x5a/0x90
[  271.218026]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.223558]  ? clockevents_program_event+0x140/0x370
[  271.229114]  ? kvm_clock_read+0x18/0x30
[  271.233260]  ? kvm_sched_clock_read+0x9/0x20
[  271.237660]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.243296]  ? check_preemption_disabled+0x48/0x200
[  271.248325]  irq_exit+0x17f/0x1c0
[  271.251775]  smp_apic_timer_interrupt+0x1cb/0x760
[  271.256612]  ? smp_reschedule_interrupt+0x109/0x650
[  271.261623]  ? smp_call_function_single_interrupt+0x650/0x650
[  271.267498]  ? interrupt_entry+0xb5/0xf0
[  271.271697]  ? trace_hardirqs_off_caller+0xbb/0x310
[  271.276725]  ? trace_hardirqs_off_caller+0xbb/0x310
[  271.281735]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  271.286568]  ? trace_hardirqs_on_caller+0x310/0x310
[  271.291590]  ? trace_hardirqs_on_caller+0x310/0x310
[  271.296597]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.302125]  ? check_preemption_disabled+0x48/0x200
[  271.307170]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  271.312027]  apic_timer_interrupt+0xf/0x20
[  271.316246]  </IRQ>
[  271.318481] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  271.323407] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  271.342300] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  271.350004] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  271.357265] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  271.364525] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  271.371785] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  271.379079] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  271.386353]  ? trace_hardirqs_on+0xb4/0x310
[  271.390671]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.396200]  skb_clone+0x1bb/0x500
[  271.399729]  ? finish_task_switch+0x2f5/0x900
[  271.404219]  ? skb_split+0x11e0/0x11e0
[  271.408114]  ? preempt_notifier_register+0x200/0x200
[  271.413210]  ? __switch_to_asm+0x34/0x70
[  271.417262]  ? __switch_to_asm+0x34/0x70
[  271.421315]  ? __switch_to_asm+0x40/0x70
[  271.425364]  ? __switch_to_asm+0x34/0x70
[  271.429416]  ? __switch_to_asm+0x40/0x70
[  271.433466]  ? __switch_to_asm+0x34/0x70
[  271.437619]  ? __switch_to_asm+0x40/0x70
[  271.441687]  ? __switch_to_asm+0x34/0x70
[  271.445737]  ? __switch_to_asm+0x34/0x70
[  271.452323]  ? __switch_to_asm+0x40/0x70
[  271.456827]  ? __switch_to_asm+0x34/0x70
[  271.460933]  bpf_clone_redirect+0xb9/0x490
[  271.465165]  ? __schedule+0x874/0x1ed0
[  271.469054]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  271.473974]  ? __sched_text_start+0x8/0x8
[  271.478117]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  271.482868]  ? retint_kernel+0x2d/0x2d
[  271.486751]  ? lock_acquire+0x1ed/0x520
[  271.490720]  ? bpf_test_run+0x32e/0x5a0
[  271.494687]  ? lock_release+0x970/0x970
[  271.498649]  ? preempt_schedule+0x4d/0x60
[  271.502796]  ? preempt_schedule_common+0x1f/0xd0
[  271.507548]  ? preempt_schedule+0x4d/0x60
[  271.511688]  ? ___preempt_schedule+0x16/0x18
[  271.516088]  ? bpf_test_run+0x1c0/0x5a0
[  271.520056]  ? netlink_diag_dump+0x2a0/0x2a0
[  271.524458]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.529987]  ? bpf_test_init.isra.9+0x70/0x100
[  271.534560]  ? bpf_prog_test_run_skb+0x634/0xb40
[  271.539313]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  271.544146]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  271.549676]  ? fput+0x130/0x1a0
[  271.552945]  ? __bpf_prog_get+0x9b/0x290
[  271.556998]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  271.561831]  ? bpf_prog_test_run+0x130/0x1a0
[  271.566234]  ? __x64_sys_bpf+0x3d8/0x510
[  271.570287]  ? bpf_prog_get+0x20/0x20
[  271.574090]  ? do_syscall_64+0x1b9/0x820
[  271.578144]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  271.583501]  ? syscall_return_slowpath+0x5e0/0x5e0
[  271.588422]  ? trace_hardirqs_on_caller+0x310/0x310
[  271.593432]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  271.598461]  ? recalc_sigpending_tsk+0x180/0x180
[  271.603210]  ? kasan_check_write+0x14/0x20
[  271.607440]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  271.612280]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  271.617647] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  271.617651] warn_alloc_show_mem: 1 callbacks suppressed
[  271.617657] Mem-Info:
[  271.624935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  271.630293] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  271.630293]  active_file:16 inactive_file:17 isolated_file:0
[  271.630293]  unevictable:0 dirty:0 writeback:0 unstable:0
[  271.630293]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  271.630293]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  271.630293]  free:13792 free_pcp:309 free_cma:0
[  271.632667] Call Trace:
[  271.642037] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  271.675667]  dump_stack+0x1c4/0x2b4
[  271.678219] Node 0 
[  271.710336]  ? dump_stack_print_info.cold.2+0x52/0x52
[  271.713935] 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
[  271.716139]  ? isolate_lru_page+0x22e0/0x22e0
[  271.721295] lowmem_reserve[]:
[  271.746790]  warn_alloc.cold.119+0xb7/0x1bd
[  271.751251]  0
[  271.754343]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  271.758632]  2819
[  271.760420]  ? lock_downgrade+0x900/0x900
[  271.765226]  6323 6323
[  271.767292]  ? trace_hardirqs_off+0xb8/0x310
[  271.773888]  ? trace_hardirqs_off+0xb8/0x310
[  271.778262] Node 0 DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  271.782681]  __alloc_pages_slowpath+0x2667/0x2d80
[  271.782703]  ? mark_held_locks+0x130/0x130
[  271.810248] lowmem_reserve[]: 0
[  271.815541]  ? warn_alloc+0x120/0x120
[  271.819765]  0
[  271.823029]  ? warn_alloc+0x120/0x120
[  271.826794]  3503 3503
[  271.828591]  ? warn_alloc+0x120/0x120
[  271.834841]  ? mark_held_locks+0x130/0x130
[  271.838620] Node 0 Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  271.842860]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.842875]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.871938] lowmem_reserve[]: 0
[  271.877932]  ? should_fail+0x22d/0xd01
[  271.883434]  0
[  271.886701]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  271.890638]  0 0
[  271.892434]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.899468]  ? should_fail+0x22d/0xd01
[  271.904973] Node 0 DMA: 
[  271.908860]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  271.908873]  ? should_fail+0x22d/0xd01
[  271.911515] 1*4kB 
[  271.916603]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  271.920457] (U) 
[  271.922622]  ? mark_held_locks+0x130/0x130
[  271.927692] 0*8kB 
[  271.929654]  ? mark_held_locks+0x130/0x130
[  271.933855] 0*16kB 1*32kB 
[  271.935999]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.940206] (U) 2*64kB 
[  271.943045]  ? trace_hardirqs_off+0xb8/0x310
[  271.948544] (U) 1*128kB 
[  271.951143]  ? kasan_check_read+0x11/0x20
[  271.955519] (U) 
[  271.958180]  ? do_raw_spin_unlock+0xa7/0x2f0
[  271.962296] 1*256kB 
[  271.964255]  ? trace_hardirqs_on+0x310/0x310
[  271.968627] (U) 0*512kB 
[  271.970943]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.975319] 1*1024kB 
[  271.977988]  ? wq_watchdog_touch+0x9c/0xfe
[  271.983492] (U) 
[  271.985891]  ? io_serial_in+0x11/0x90
[  271.990088] 1*2048kB (M) 
[  271.992058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.995823] 3*4096kB 
[  271.998564]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  272.004065] (M) = 15908kB
[  272.006480]  __alloc_pages_nodemask+0xa80/0xde0
[  272.011681] Node 0 
[  272.014437]  ? should_fail+0x22d/0xd01
[  272.019067] DMA32: 6*4kB 
[  272.021300]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  272.025152] (UME) 
[  272.027907]  ? ____cache_alloc_node+0x1c7/0x1e0
[  272.032885] 2*8kB 
[  272.035018]  ? lock_downgrade+0x900/0x900
[  272.039653] (UE) 
[  272.041814]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.045934] 4*16kB 
[  272.047999]  cache_grow_begin+0x91/0x8c0
[  272.053512] (UME) 
[  272.055743]  ? do_raw_spin_unlock+0xa7/0x2f0
[  272.059776] 4*32kB 
[  272.061923]  fallback_alloc+0x203/0x2e0
[  272.066300] (UME) 
[  272.068523]  ____cache_alloc_node+0x1c7/0x1e0
[  272.072459] 5*64kB (ME) 
[  272.074605]  kmem_cache_alloc_node+0xe3/0x730
[  272.079066] 5*128kB (UME) 
[  272.081738]  ? ipv6_get_ifaddr+0x42e/0x620
[  272.086221] 4*256kB 
[  272.089053]  __alloc_skb+0x119/0x770
[  272.093352] (ME) 
[  272.095665]  ? skb_scrub_packet+0x490/0x490
[  272.099348] 5*512kB 
[  272.101395]  ? lock_downgrade+0x900/0x900
[  272.105684] (UME) 
[  272.107992]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.112622] 4*1024kB (UME) 
[  272.114780]  ? refcount_sub_and_test_checked+0x203/0x310
[  272.120281] 2*2048kB 
[  272.123199]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  272.128619] (ME) 
[  272.132507]  ? addrconf_rs_timer+0x690/0x690
[  272.137927] 3*4096kB 
[  272.139982]  ndisc_alloc_skb+0x144/0x340
[  272.144354] (M) 
[  272.146753]  ndisc_send_rs+0x331/0x6e0
[  272.150794] = 25256kB
[  272.152754]  addrconf_rs_timer+0x314/0x690
[  272.156630] Node 0 
[  272.159344]  ? lock_release+0x970/0x970
[  272.163545] Normal: 
[  272.165780]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.169731] 1063*4kB 
[  272.172047]  call_timer_fn+0x272/0x920
[  272.176245] (UMEH) 
[  272.178645]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.182501] 420*8kB 
[  272.184729]  ? process_timeout+0x40/0x40
[  272.188927] (UME) 
[  272.191234]  ? kasan_check_read+0x11/0x20
[  272.195268] 170*16kB 
[  272.197403]  ? do_raw_spin_unlock+0xa7/0x2f0
[  272.201513] (UMEH) 65*32kB 
[  272.203914]  ? trace_hardirqs_on+0x310/0x310
[  272.208288] (UME) 
[  272.211207]  ? __run_timers+0x7da/0xc70
[  272.215589] 9*64kB 
[  272.217739]  ? lock_downgrade+0x900/0x900
[  272.221687] (UM) 
[  272.223930]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  272.228045] 0*128kB 
[  272.230091]  ? trace_hardirqs_on+0xbd/0x310
[  272.235156] 0*256kB 0*512kB 
[  272.237468]  ? kasan_check_read+0x11/0x20
[  272.241764] 1*1024kB 
[  272.244770]  ? __run_timers+0x7da/0xc70
[  272.248883] (H) 
[  272.251765]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  272.255725] 0*2048kB 
[  272.257687]  ? kasan_check_write+0x14/0x20
[  272.263102] 0*4096kB = 14012kB
[  272.265508]  ? do_raw_spin_lock+0xc1/0x200
[  272.269726] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  272.272902]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.277633] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  272.286546]  __run_timers+0x7e5/0xc70
[  272.290749] 4986 total pagecache pages
[  272.299314]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  272.303081] 0 pages in swap cache
[  272.306953]  ? compat_start_thread+0x80/0x80
[  272.312289] Swap cache stats: add 0, delete 0, find 0/0
[  272.315728]  ? dequeue_entity+0x1770/0x1770
[  272.320112] Free swap  = 0kB
[  272.325461]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.329752] Total swap = 0kB
[  272.332755]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.338373] 1965979 pages RAM
[  272.343677]  ? kasan_check_write+0x14/0x20
[  272.349182] 0 pages HighMem/MovableOnly
[  272.352272]  ? finish_task_switch+0x2f5/0x900
[  272.356475] 342307 pages reserved
[  272.360456]  ? __switch_to_asm+0x40/0x70
[  272.364907] 0 pages cma reserved
[  272.368346]  ? preempt_notifier_register+0x200/0x200
[  272.372418] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  272.375728]  ? __switch_to_asm+0x34/0x70
[  272.380867] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  272.389059]  ? __switch_to_asm+0x40/0x70
[  272.393090] syz-executor4 cpuset=
[  272.403560]  ? __switch_to_asm+0x34/0x70
[  272.407591] syz4
[  272.411026]  ? __switch_to_asm+0x40/0x70
[  272.415060]  mems_allowed=0
[  272.417019]  ? __switch_to_asm+0x34/0x70
[  272.428007]  ? __switch_to_asm+0x40/0x70
[  272.432064]  ? pvclock_read_flags+0x160/0x160
[  272.436658]  ? __schedule+0x874/0x1ed0
[  272.440537]  ? run_rebalance_domains+0x38d/0x500
[  272.445290]  ? trace_hardirqs_on+0xbd/0x310
[  272.449602]  ? kvm_sched_clock_read+0x9/0x20
[  272.456464]  ? run_ksoftirqd+0x94/0x100
[  272.460455]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.465985]  ? check_preemption_disabled+0x48/0x200
[  272.477419]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.482957]  run_timer_softirq+0x52/0xb0
[  272.487012]  ? __this_cpu_preempt_check+0x1c/0x1f
[  272.491848]  __do_softirq+0x30b/0xad8
[  272.495643]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  272.500740]  ? trace_hardirqs_off+0xb8/0x310
[  272.505147]  ? schedule+0x108/0x460
[  272.508763]  ? __schedule+0x1ed0/0x1ed0
[  272.512765]  ? run_ksoftirqd+0x99/0x100
[  272.516762]  ? trace_hardirqs_off+0xb8/0x310
[  272.521165]  ? ___might_sleep+0x1ed/0x300
[  272.525305]  ? smpboot_thread_fn+0x68b/0xa00
[  272.529711]  ? trace_hardirqs_on+0x310/0x310
[  272.534116]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.539649]  ? check_preemption_disabled+0x48/0x200
[  272.545531]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.551429]  ? takeover_tasklets+0xa90/0xa90
[  272.555829]  run_ksoftirqd+0x94/0x100
[  272.559621]  smpboot_thread_fn+0x68b/0xa00
[  272.565527]  ? sort_range+0x30/0x30
[  272.569296]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  272.574397]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.580033]  ? __kthread_parkme+0xfb/0x1a0
[  272.584262]  kthread+0x35a/0x420
[  272.587624]  ? sort_range+0x30/0x30
[  272.591240]  ? kthread_bind+0x40/0x40
[  272.595032]  ret_from_fork+0x3a/0x50
[  272.598755] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  272.598804] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  272.606033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  272.606037] Call Trace:
[  272.606041]  <IRQ>
[  272.606057]  dump_stack+0x1c4/0x2b4
[  272.606074]  ? dump_stack_print_info.cold.2+0x52/0x52
[  272.612600] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  272.621885]  warn_alloc.cold.119+0xb7/0x1bd
[  272.624435] ksoftirqd/1 cpuset=
[  272.626571]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  272.630165] /
[  272.635340]  ? lock_downgrade+0x900/0x900
[  272.646126]  mems_allowed=0
[  272.650432]  ? trace_hardirqs_off+0xb8/0x310
[  272.671646]  ? trace_hardirqs_off+0xb8/0x310
[  272.676048]  __alloc_pages_slowpath+0x2667/0x2d80
[  272.680894]  ? warn_alloc+0x120/0x120
[  272.684698]  ? trace_hardirqs_on+0x310/0x310
[  272.689109]  ? warn_alloc+0x120/0x120
[  272.692902]  ? warn_alloc+0x120/0x120
[  272.696697]  ? ktime_get+0x2e1/0x440
[  272.700408]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.705935]  ? check_preemption_disabled+0x48/0x200
[  272.710948]  ? kasan_check_read+0x11/0x20
[  272.715087]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.720617]  ? should_fail+0x22d/0xd01
[  272.724493]  ? rcu_bh_qs+0xc0/0xc0
[  272.728022]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  272.733130]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.738657]  ? should_fail+0x22d/0xd01
[  272.742550]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  272.747644]  ? should_fail+0x22d/0xd01
[  272.751529]  ? rcu_idle_enter+0x4b0/0x4b0
[  272.755676]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  272.760775]  ? mark_held_locks+0x130/0x130
[  272.765002]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.770530]  ? mark_held_locks+0x130/0x130
[  272.774758]  ? rcu_irq_exit+0xce/0x100
[  272.778635]  ? irq_exit+0xbd/0x1c0
[  272.782170]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  272.787180]  ? do_raw_spin_unlock+0xa7/0x2f0
[  272.791581]  ? smp_call_function_single_interrupt+0x650/0x650
[  272.797456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.802984]  ? ret_from_intr+0xb/0x1e
[  272.806777]  ? retint_kernel+0x2d/0x2d
[  272.810658]  ? trace_hardirqs_on_caller+0xc0/0x310
[  272.815595]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  272.820352]  ? trace_hardirqs_off+0x310/0x310
[  272.824837]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  272.829940]  __alloc_pages_nodemask+0xa80/0xde0
[  272.834608]  ? should_fail+0x22d/0xd01
[  272.838504]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  272.843528]  ? ____cache_alloc_node+0x1c7/0x1e0
[  272.848191]  ? lock_downgrade+0x900/0x900
[  272.852337]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.857865]  cache_grow_begin+0x91/0x8c0
[  272.861918]  ? do_raw_spin_unlock+0xa7/0x2f0
[  272.866320]  fallback_alloc+0x203/0x2e0
[  272.870381]  ____cache_alloc_node+0x1c7/0x1e0
[  272.874879]  kmem_cache_alloc_node+0xe3/0x730
[  272.879370]  ? ipv6_get_ifaddr+0x42e/0x620
[  272.883604]  __alloc_skb+0x119/0x770
[  272.887311]  ? skb_scrub_packet+0x490/0x490
[  272.891622]  ? lock_downgrade+0x900/0x900
[  272.895765]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.901293]  ? refcount_sub_and_test_checked+0x203/0x310
[  272.906735]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  272.912174]  ? addrconf_rs_timer+0x690/0x690
[  272.916578]  ndisc_alloc_skb+0x144/0x340
[  272.920630]  ndisc_send_rs+0x331/0x6e0
[  272.924516]  addrconf_rs_timer+0x314/0x690
[  272.928742]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.933121]  call_timer_fn+0x272/0x920
[  272.937009]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.941233]  ? process_timeout+0x40/0x40
[  272.945288]  ? trace_hardirqs_off+0xb8/0x310
[  272.949693]  ? kasan_check_read+0x11/0x20
[  272.953835]  ? do_raw_spin_unlock+0xa7/0x2f0
[  272.958235]  ? trace_hardirqs_on+0x310/0x310
[  272.962640]  ? __run_timers+0x7da/0xc70
[  272.966611]  ? lock_downgrade+0x900/0x900
[  272.970762]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  272.975862]  ? trace_hardirqs_on+0xbd/0x310
[  272.980176]  ? kasan_check_read+0x11/0x20
[  272.984318]  ? __run_timers+0x7da/0xc70
[  272.988293]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  272.993734]  ? kasan_check_write+0x14/0x20
[  272.997963]  ? do_raw_spin_lock+0xc1/0x200
[  273.002195]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.006423]  __run_timers+0x7e5/0xc70
[  273.010223]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  273.015582]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  273.020591]  ? timerqueue_add+0x207/0x2b0
[  273.024746]  ? enqueue_hrtimer+0x1a5/0x560
[  273.028974]  ? lock_release+0x970/0x970
[  273.033050]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  273.038238]  ? kasan_check_write+0x14/0x20
[  273.042471]  ? pvclock_read_flags+0x160/0x160
[  273.046957]  ? lock_downgrade+0x900/0x900
[  273.051102]  ? trace_hardirqs_on+0xbd/0x310
[  273.055416]  ? kvm_sched_clock_read+0x9/0x20
[  273.059818]  ? irq_exit+0x17f/0x1c0
[  273.063441]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.068974]  ? check_preemption_disabled+0x48/0x200
[  273.073977]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.079505]  run_timer_softirq+0x52/0xb0
[  273.083557]  ? __this_cpu_preempt_check+0x1c/0x1f
[  273.088395]  __do_softirq+0x30b/0xad8
[  273.092193]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  273.097287]  ? pvclock_read_flags+0x160/0x160
[  273.101769]  ? lapic_next_event+0x5a/0x90
[  273.105929]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.111460]  ? clockevents_program_event+0x140/0x370
[  273.116561]  ? kvm_clock_read+0x18/0x30
[  273.120530]  ? kvm_sched_clock_read+0x9/0x20
[  273.125422]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.130948]  ? check_preemption_disabled+0x48/0x200
[  273.135959]  irq_exit+0x17f/0x1c0
[  273.139406]  smp_apic_timer_interrupt+0x1cb/0x760
[  273.144241]  ? smp_reschedule_interrupt+0x109/0x650
[  273.149249]  ? smp_call_function_single_interrupt+0x650/0x650
[  273.155122]  ? interrupt_entry+0xb5/0xf0
[  273.159176]  ? trace_hardirqs_off_caller+0xbb/0x310
[  273.164184]  ? trace_hardirqs_off_caller+0xbb/0x310
[  273.169197]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.174043]  ? trace_hardirqs_on_caller+0x310/0x310
[  273.179077]  ? trace_hardirqs_on_caller+0x310/0x310
[  273.184117]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.189665]  ? check_preemption_disabled+0x48/0x200
[  273.194682]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.199519]  apic_timer_interrupt+0xf/0x20
[  273.203741]  </IRQ>
[  273.205970] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  273.210903] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  273.229805] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  273.237502] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  273.244760] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  273.252037] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  273.259297] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  273.266556] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  273.273929]  ? trace_hardirqs_on+0xb4/0x310
[  273.278246]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.283789]  skb_clone+0x1bb/0x500
[  273.287334]  ? finish_task_switch+0x2f5/0x900
[  273.291818]  ? skb_split+0x11e0/0x11e0
[  273.295701]  ? preempt_notifier_register+0x200/0x200
[  273.300792]  ? __switch_to_asm+0x34/0x70
[  273.304846]  ? __switch_to_asm+0x34/0x70
[  273.308895]  ? __switch_to_asm+0x40/0x70
[  273.312945]  ? __switch_to_asm+0x34/0x70
[  273.317001]  ? __switch_to_asm+0x40/0x70
[  273.321076]  ? __switch_to_asm+0x34/0x70
[  273.325131]  ? __switch_to_asm+0x40/0x70
[  273.329272]  ? __switch_to_asm+0x34/0x70
[  273.333327]  ? __switch_to_asm+0x34/0x70
[  273.337375]  ? __switch_to_asm+0x40/0x70
[  273.341445]  ? __switch_to_asm+0x34/0x70
[  273.345521]  bpf_clone_redirect+0xb9/0x490
[  273.349751]  ? __schedule+0x874/0x1ed0
[  273.353641]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  273.358566]  ? __sched_text_start+0x8/0x8
[  273.362711]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  273.367460]  ? retint_kernel+0x2d/0x2d
[  273.371348]  ? lock_acquire+0x1ed/0x520
[  273.375310]  ? bpf_test_run+0x32e/0x5a0
[  273.379276]  ? lock_release+0x970/0x970
[  273.383240]  ? preempt_schedule+0x4d/0x60
[  273.387383]  ? preempt_schedule_common+0x1f/0xd0
[  273.392134]  ? preempt_schedule+0x4d/0x60
[  273.396274]  ? ___preempt_schedule+0x16/0x18
[  273.400680]  ? bpf_test_run+0x1c0/0x5a0
[  273.404658]  ? netlink_diag_dump+0x2a0/0x2a0
[  273.409062]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.414589]  ? bpf_test_init.isra.9+0x70/0x100
[  273.419168]  ? bpf_prog_test_run_skb+0x634/0xb40
[  273.423919]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  273.428754]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  273.434281]  ? fput+0x130/0x1a0
[  273.437549]  ? __bpf_prog_get+0x9b/0x290
[  273.441602]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  273.446440]  ? bpf_prog_test_run+0x130/0x1a0
[  273.453086]  ? __x64_sys_bpf+0x3d8/0x510
[  273.457260]  ? bpf_prog_get+0x20/0x20
[  273.461060]  ? do_syscall_64+0x1b9/0x820
[  273.465116]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  273.470471]  ? syscall_return_slowpath+0x5e0/0x5e0
[  273.475395]  ? trace_hardirqs_on_caller+0x310/0x310
[  273.480402]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  273.485409]  ? recalc_sigpending_tsk+0x180/0x180
[  273.490166]  ? kasan_check_write+0x14/0x20
[  273.494411]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.499248]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  273.504618] warn_alloc_show_mem: 1 callbacks suppressed
[  273.504628] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  273.504630] Mem-Info:
[  273.504662] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  273.504662]  active_file:16 inactive_file:17 isolated_file:0
[  273.504662]  unevictable:0 dirty:0 writeback:0 unstable:0
[  273.504662]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  273.504662]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  273.504662]  free:13792 free_pcp:309 free_cma:0
[  273.509990] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  273.516834] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  273.519222] Call Trace:
[  273.552250] Node 0 
[  273.561594]  dump_stack+0x1c4/0x2b4
[  273.589442] 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
[  273.592004]  ? dump_stack_print_info.cold.2+0x52/0x52
[  273.594207] lowmem_reserve[]:
[  273.597832]  ? isolate_lru_page+0x22e0/0x22e0
[  273.623303]  0
[  273.628724]  warn_alloc.cold.119+0xb7/0x1bd
[  273.631797]  2819
[  273.636276]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  273.638047]  6323
[  273.642354]  ? lock_downgrade+0x900/0x900
[  273.644398]  6323
[  273.649243]  ? trace_hardirqs_off+0xb8/0x310
[  273.655421]  ? trace_hardirqs_off+0xb8/0x310
[  273.657453] Node 0 
[  273.661864]  __alloc_pages_slowpath+0x2667/0x2d80
[  273.666262] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  273.668474]  ? mark_held_locks+0x130/0x130
[  273.673273] lowmem_reserve[]: 0
[  273.700738]  ? warn_alloc+0x120/0x120
[  273.704937]  0 3503
[  273.708213]  ? warn_alloc+0x120/0x120
[  273.711991]  3503
[  273.714215]  ? warn_alloc+0x120/0x120
[  273.717984] Node 0 
[  273.720032]  ? mark_held_locks+0x130/0x130
[  273.723834] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  273.726036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.730236] lowmem_reserve[]:
[  273.758598]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.764242]  0
[  273.767480]  ? should_fail+0x22d/0xd01
[  273.772985]  0
[  273.774777]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  273.778629]  0 0
[  273.780426]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.787455]  ? should_fail+0x22d/0xd01
[  273.792961] Node 0 DMA: 
[  273.796847]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  273.796861]  ? should_fail+0x22d/0xd01
[  273.799515] 1*4kB 
[  273.804606]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  273.808466] (U) 
[  273.810612]  ? mark_held_locks+0x130/0x130
[  273.815684] 0*8kB 0*16kB 
[  273.817651]  ? mark_held_locks+0x130/0x130
[  273.821855] 1*32kB 
[  273.824606]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.828935] (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  273.828981] Node 0 DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB
[  273.829046] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB
[  273.829111] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  273.829119] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  273.829146] 4986 total pagecache pages
[  273.833154]  ? trace_hardirqs_off+0xb8/0x310
[  273.838689] 0 pages in swap cache
[  273.848547]  ? kasan_check_read+0x11/0x20
[  273.848563]  ? do_raw_spin_unlock+0xa7/0x2f0
[  273.864666] Swap cache stats: add 0, delete 0, find 0/0
[  273.879387]  ? trace_hardirqs_on+0x310/0x310
[  273.888193] Free swap  = 0kB
[  273.897036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.900895] Total swap = 0kB
[  273.905509]  ? wq_watchdog_touch+0x9c/0xfe
[  273.908929] 1965979 pages RAM
[  273.913058]  ? io_serial_in+0x11/0x90
[  273.917433] 0 pages HighMem/MovableOnly
[  273.923030]  ? retint_kernel+0x2d/0x2d
[  273.927402] 342307 pages reserved
[  273.927409] 0 pages cma reserved
[  273.930411]  ? trace_hardirqs_on_caller+0xc0/0x310
[  273.935959] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  273.938917]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  273.943186] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  273.946217]  ? trace_hardirqs_off+0x310/0x310
[  273.949987] syz-executor4 cpuset=
[  273.953948]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  273.957805] syz4
[  273.961245]  __alloc_pages_nodemask+0xa80/0xde0
[  273.964587]  mems_allowed=0
[  273.969498]  ? should_fail+0x22d/0xd01
[  274.018134]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  274.023161]  ? ____cache_alloc_node+0x1c7/0x1e0
[  274.027827]  ? lock_downgrade+0x900/0x900
[  274.031977]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.037509]  cache_grow_begin+0x91/0x8c0
[  274.041573]  ? do_raw_spin_unlock+0xa7/0x2f0
[  274.045975]  fallback_alloc+0x203/0x2e0
[  274.049944]  ____cache_alloc_node+0x1c7/0x1e0
[  274.054879]  kmem_cache_alloc_node+0xe3/0x730
[  274.059368]  ? ipv6_get_ifaddr+0x42e/0x620
[  274.063599]  __alloc_skb+0x119/0x770
[  274.067308]  ? skb_scrub_packet+0x490/0x490
[  274.071621]  ? lock_downgrade+0x900/0x900
[  274.075769]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.081303]  ? refcount_sub_and_test_checked+0x203/0x310
[  274.086748]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  274.092187]  ? addrconf_rs_timer+0x690/0x690
[  274.096754]  ndisc_alloc_skb+0x144/0x340
[  274.100813]  ndisc_send_rs+0x331/0x6e0
[  274.104692]  addrconf_rs_timer+0x314/0x690
[  274.109295]  ? lock_release+0x970/0x970
[  274.113271]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.117504]  call_timer_fn+0x272/0x920
[  274.121385]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.125619]  ? process_timeout+0x40/0x40
[  274.129667]  ? kasan_check_read+0x11/0x20
[  274.133806]  ? do_raw_spin_unlock+0xa7/0x2f0
[  274.138206]  ? trace_hardirqs_on+0x310/0x310
[  274.142611]  ? __run_timers+0x7da/0xc70
[  274.146580]  ? lock_downgrade+0x900/0x900
[  274.150722]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  274.155814]  ? trace_hardirqs_on+0xbd/0x310
[  274.160125]  ? kasan_check_read+0x11/0x20
[  274.164263]  ? __run_timers+0x7da/0xc70
[  274.168233]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  274.173671]  ? kasan_check_write+0x14/0x20
[  274.178407]  ? do_raw_spin_lock+0xc1/0x200
[  274.185869]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.190099]  __run_timers+0x7e5/0xc70
[  274.193916]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  274.199270]  ? compat_start_thread+0x80/0x80
[  274.203667]  ? dequeue_entity+0x1770/0x1770
[  274.207978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.213503]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.219031]  ? kasan_check_write+0x14/0x20
[  274.223255]  ? finish_task_switch+0x2f5/0x900
[  274.227739]  ? __switch_to_asm+0x40/0x70
[  274.231807]  ? preempt_notifier_register+0x200/0x200
[  274.236900]  ? __switch_to_asm+0x34/0x70
[  274.241422]  ? __switch_to_asm+0x40/0x70
[  274.245929]  ? __switch_to_asm+0x34/0x70
[  274.249980]  ? __switch_to_asm+0x40/0x70
[  274.254027]  ? __switch_to_asm+0x34/0x70
[  274.258082]  ? __switch_to_asm+0x40/0x70
[  274.263079]  ? pvclock_read_flags+0x160/0x160
[  274.269497]  ? __schedule+0x874/0x1ed0
[  274.273375]  ? run_rebalance_domains+0x38d/0x500
[  274.278667]  ? trace_hardirqs_on+0xbd/0x310
[  274.282988]  ? kvm_sched_clock_read+0x9/0x20
[  274.287389]  ? run_ksoftirqd+0x94/0x100
[  274.291355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.297250]  ? check_preemption_disabled+0x48/0x200
[  274.302257]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.307791]  run_timer_softirq+0x52/0xb0
[  274.311844]  ? __this_cpu_preempt_check+0x1c/0x1f
[  274.316675]  __do_softirq+0x30b/0xad8
[  274.320472]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  274.325573]  ? trace_hardirqs_off+0xb8/0x310
[  274.329978]  ? schedule+0x108/0x460
[  274.333612]  ? __schedule+0x1ed0/0x1ed0
[  274.337578]  ? run_ksoftirqd+0x99/0x100
[  274.341556]  ? trace_hardirqs_off+0xb8/0x310
[  274.345969]  ? ___might_sleep+0x1ed/0x300
[  274.350106]  ? smpboot_thread_fn+0x68b/0xa00
[  274.354504]  ? trace_hardirqs_on+0x310/0x310
[  274.358903]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.364435]  ? check_preemption_disabled+0x48/0x200
[  274.369441]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.374969]  ? takeover_tasklets+0xa90/0xa90
[  274.379368]  run_ksoftirqd+0x94/0x100
[  274.383363]  smpboot_thread_fn+0x68b/0xa00
[  274.387591]  ? sort_range+0x30/0x30
[  274.391211]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  274.396305]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.401919]  ? __kthread_parkme+0xfb/0x1a0
[  274.406145]  kthread+0x35a/0x420
[  274.409509]  ? sort_range+0x30/0x30
[  274.413134]  ? kthread_bind+0x40/0x40
[  274.416926]  ret_from_fork+0x3a/0x50
[  274.420652] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  274.420699] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  274.427916] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  274.427923] Call Trace:
[  274.434467] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  274.443739]  <IRQ>
[  274.446300] ksoftirqd/1 cpuset=
[  274.456819]  dump_stack+0x1c4/0x2b4
[  274.458939] /
[  274.462201]  ? dump_stack_print_info.cold.2+0x52/0x52
[  274.466262]  mems_allowed=0
[  274.467964]  warn_alloc.cold.119+0xb7/0x1bd
[  274.480337]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  274.485177]  ? lock_downgrade+0x900/0x900
[  274.489317]  ? trace_hardirqs_off+0xb8/0x310
[  274.493718]  ? trace_hardirqs_off+0xb8/0x310
[  274.498121]  __alloc_pages_slowpath+0x2667/0x2d80
[  274.502969]  ? warn_alloc+0x120/0x120
[  274.506759]  ? trace_hardirqs_on+0x310/0x310
[  274.511156]  ? warn_alloc+0x120/0x120
[  274.514951]  ? warn_alloc+0x120/0x120
[  274.518739]  ? ktime_get+0x2e1/0x440
[  274.522447]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.528008]  ? check_preemption_disabled+0x48/0x200
[  274.533020]  ? kasan_check_read+0x11/0x20
[  274.537158]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.542687]  ? should_fail+0x22d/0xd01
[  274.546572]  ? rcu_bh_qs+0xc0/0xc0
[  274.550104]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  274.555198]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.560723]  ? should_fail+0x22d/0xd01
[  274.564601]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  274.569694]  ? should_fail+0x22d/0xd01
[  274.573571]  ? rcu_idle_enter+0x4b0/0x4b0
[  274.577729]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  274.582828]  ? mark_held_locks+0x130/0x130
[  274.587057]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.592582]  ? mark_held_locks+0x130/0x130
[  274.596809]  ? rcu_irq_exit+0xce/0x100
[  274.600686]  ? irq_exit+0xbd/0x1c0
[  274.604220]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  274.609226]  ? do_raw_spin_unlock+0xa7/0x2f0
[  274.613627]  ? smp_call_function_single_interrupt+0x650/0x650
[  274.619500]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.625033]  ? ret_from_intr+0xb/0x1e
[  274.628839]  ? retint_kernel+0x2d/0x2d
[  274.632739]  ? trace_hardirqs_on_caller+0xc0/0x310
[  274.637660]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  274.642408]  ? trace_hardirqs_off+0x310/0x310
[  274.646891]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  274.651990]  __alloc_pages_nodemask+0xa80/0xde0
[  274.656651]  ? should_fail+0x22d/0xd01
[  274.660547]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  274.665573]  ? ____cache_alloc_node+0x1c7/0x1e0
[  274.670231]  ? lock_downgrade+0x900/0x900
[  274.674375]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.679903]  cache_grow_begin+0x91/0x8c0
[  274.683954]  ? do_raw_spin_unlock+0xa7/0x2f0
[  274.688359]  fallback_alloc+0x203/0x2e0
[  274.692329]  ____cache_alloc_node+0x1c7/0x1e0
[  274.696820]  kmem_cache_alloc_node+0xe3/0x730
[  274.701307]  ? ipv6_get_ifaddr+0x42e/0x620
[  274.705544]  __alloc_skb+0x119/0x770
[  274.709254]  ? skb_scrub_packet+0x490/0x490
[  274.713572]  ? lock_downgrade+0x900/0x900
[  274.717717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.723595]  ? refcount_sub_and_test_checked+0x203/0x310
[  274.729037]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  274.734478]  ? addrconf_rs_timer+0x690/0x690
[  274.738977]  ndisc_alloc_skb+0x144/0x340
[  274.743031]  ndisc_send_rs+0x331/0x6e0
[  274.746911]  addrconf_rs_timer+0x314/0x690
[  274.751137]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.755369]  call_timer_fn+0x272/0x920
[  274.759246]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.763472]  ? process_timeout+0x40/0x40
[  274.767541]  ? trace_hardirqs_off+0xb8/0x310
[  274.771942]  ? kasan_check_read+0x11/0x20
[  274.776084]  ? do_raw_spin_unlock+0xa7/0x2f0
[  274.780485]  ? trace_hardirqs_on+0x310/0x310
[  274.784890]  ? __run_timers+0x7da/0xc70
[  274.788852]  ? lock_downgrade+0x900/0x900
[  274.792994]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  274.798086]  ? trace_hardirqs_on+0xbd/0x310
[  274.802397]  ? kasan_check_read+0x11/0x20
[  274.806540]  ? __run_timers+0x7da/0xc70
[  274.810513]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  274.815956]  ? kasan_check_write+0x14/0x20
[  274.820179]  ? do_raw_spin_lock+0xc1/0x200
[  274.824406]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.828647]  __run_timers+0x7e5/0xc70
[  274.832464]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  274.837844]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  274.842870]  ? timerqueue_add+0x207/0x2b0
[  274.847023]  ? enqueue_hrtimer+0x1a5/0x560
[  274.851246]  ? lock_release+0x970/0x970
[  274.855213]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  274.860394]  ? kasan_check_write+0x14/0x20
[  274.864623]  ? pvclock_read_flags+0x160/0x160
[  274.869112]  ? lock_downgrade+0x900/0x900
[  274.873253]  ? trace_hardirqs_on+0xbd/0x310
[  274.877564]  ? kvm_sched_clock_read+0x9/0x20
[  274.881968]  ? irq_exit+0x17f/0x1c0
[  274.885587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.891118]  ? check_preemption_disabled+0x48/0x200
[  274.896123]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.901655]  run_timer_softirq+0x52/0xb0
[  274.905706]  ? __this_cpu_preempt_check+0x1c/0x1f
[  274.910547]  __do_softirq+0x30b/0xad8
[  274.914340]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  274.919433]  ? pvclock_read_flags+0x160/0x160
[  274.923920]  ? lapic_next_event+0x5a/0x90
[  274.928057]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.933587]  ? clockevents_program_event+0x140/0x370
[  274.938685]  ? kvm_clock_read+0x18/0x30
[  274.942647]  ? kvm_sched_clock_read+0x9/0x20
[  274.947047]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.952577]  ? check_preemption_disabled+0x48/0x200
[  274.957587]  irq_exit+0x17f/0x1c0
[  274.961029]  smp_apic_timer_interrupt+0x1cb/0x760
[  274.965859]  ? smp_reschedule_interrupt+0x109/0x650
[  274.970865]  ? smp_call_function_single_interrupt+0x650/0x650
[  274.976745]  ? interrupt_entry+0xb5/0xf0
[  274.980797]  ? trace_hardirqs_off_caller+0xbb/0x310
[  274.985803]  ? trace_hardirqs_off_caller+0xbb/0x310
[  274.990817]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  274.995652]  ? trace_hardirqs_on_caller+0x310/0x310
[  275.000660]  ? trace_hardirqs_on_caller+0x310/0x310
[  275.005666]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.011194]  ? check_preemption_disabled+0x48/0x200
[  275.016205]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  275.021045]  apic_timer_interrupt+0xf/0x20
[  275.025263]  </IRQ>
[  275.027500] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  275.032426] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  275.051332] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  275.059034] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  275.066294] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  275.073553] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  275.080938] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  275.088284] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  275.095568]  ? trace_hardirqs_on+0xb4/0x310
[  275.099885]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.105419]  skb_clone+0x1bb/0x500
[  275.109393]  ? finish_task_switch+0x2f5/0x900
[  275.113877]  ? skb_split+0x11e0/0x11e0
[  275.117769]  ? preempt_notifier_register+0x200/0x200
[  275.122859]  ? __switch_to_asm+0x34/0x70
[  275.126913]  ? __switch_to_asm+0x34/0x70
[  275.130960]  ? __switch_to_asm+0x40/0x70
[  275.135010]  ? __switch_to_asm+0x34/0x70
[  275.139059]  ? __switch_to_asm+0x40/0x70
[  275.143107]  ? __switch_to_asm+0x34/0x70
[  275.147159]  ? __switch_to_asm+0x40/0x70
[  275.151210]  ? __switch_to_asm+0x34/0x70
[  275.155261]  ? __switch_to_asm+0x34/0x70
[  275.159311]  ? __switch_to_asm+0x40/0x70
[  275.163360]  ? __switch_to_asm+0x34/0x70
[  275.167414]  bpf_clone_redirect+0xb9/0x490
[  275.171660]  ? __schedule+0x874/0x1ed0
[  275.175552]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  275.180480]  ? __sched_text_start+0x8/0x8
[  275.184622]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  275.189372]  ? retint_kernel+0x2d/0x2d
[  275.193272]  ? lock_acquire+0x1ed/0x520
[  275.197237]  ? bpf_test_run+0x32e/0x5a0
[  275.201204]  ? lock_release+0x970/0x970
[  275.205166]  ? preempt_schedule+0x4d/0x60
[  275.209303]  ? preempt_schedule_common+0x1f/0xd0
[  275.214048]  ? preempt_schedule+0x4d/0x60
[  275.218185]  ? ___preempt_schedule+0x16/0x18
[  275.222589]  ? bpf_test_run+0x1c0/0x5a0
[  275.226560]  ? netlink_diag_dump+0x2a0/0x2a0
[  275.230959]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.236498]  ? bpf_test_init.isra.9+0x70/0x100
[  275.241073]  ? bpf_prog_test_run_skb+0x634/0xb40
[  275.245820]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  275.250652]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  275.256180]  ? fput+0x130/0x1a0
[  275.259449]  ? __bpf_prog_get+0x9b/0x290
[  275.263510]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  275.268343]  ? bpf_prog_test_run+0x130/0x1a0
[  275.272741]  ? __x64_sys_bpf+0x3d8/0x510
[  275.276797]  ? bpf_prog_get+0x20/0x20
[  275.280599]  ? do_syscall_64+0x1b9/0x820
[  275.284664]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  275.290018]  ? syscall_return_slowpath+0x5e0/0x5e0
[  275.294937]  ? trace_hardirqs_on_caller+0x310/0x310
[  275.299940]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  275.304944]  ? recalc_sigpending_tsk+0x180/0x180
[  275.309690]  ? kasan_check_write+0x14/0x20
[  275.313918]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  275.318886]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  275.324244] warn_alloc_show_mem: 1 callbacks suppressed
[  275.324253] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  275.324255] Mem-Info:
[  275.324283] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  275.324283]  active_file:16 inactive_file:17 isolated_file:0
[  275.324283]  unevictable:0 dirty:0 writeback:0 unstable:0
[  275.324283]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  275.324283]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  275.324283]  free:13792 free_pcp:309 free_cma:0
[  275.329612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  275.336445] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  275.338831] Call Trace:
[  275.371956] Node 0 
[  275.381300]  dump_stack+0x1c4/0x2b4
[  275.409130] 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
[  275.411689]  ? dump_stack_print_info.cold.2+0x52/0x52
[  275.413893] lowmem_reserve[]:
[  275.417508]  ? isolate_lru_page+0x22e0/0x22e0
[  275.443201]  0
[  275.448376]  warn_alloc.cold.119+0xb7/0x1bd
[  275.452695]  2819 6323
[  275.458541]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  275.460308]  6323
[  275.464615]  ? lock_downgrade+0x900/0x900
[  275.472006]  ? trace_hardirqs_off+0xb8/0x310
[  275.474037] Node 0 
[  275.478166]  ? trace_hardirqs_off+0xb8/0x310
[  275.482563] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  275.484767]  __alloc_pages_slowpath+0x2667/0x2d80
[  275.489142] lowmem_reserve[]:
[  275.516701]  ? mark_held_locks+0x130/0x130
[  275.521503]  0
[  275.524606]  ? warn_alloc+0x120/0x120
[  275.528805]  0
[  275.530594]  ? warn_alloc+0x120/0x120
[  275.534362]  3503
[  275.536661]  ? warn_alloc+0x120/0x120
[  275.540431]  3503
[  275.542503]  ? mark_held_locks+0x130/0x130
[  275.548321]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.552522] Node 0 
[  275.558035]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.558066] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  275.560265]  ? should_fail+0x22d/0xd01
[  275.565765] lowmem_reserve[]:
[  275.594632]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  275.598501]  0
[  275.601596]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.606664]  0
[  275.608455]  ? should_fail+0x22d/0xd01
[  275.613958]  0 0
[  275.615755]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  275.619611] Node 0 
[  275.621573]  ? should_fail+0x22d/0xd01
[  275.626652] 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
[  275.626716] Node 0 DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB
[  275.626769] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB
[  275.626830] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  275.626836] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  275.626839] 4986 total pagecache pages
[  275.626843] 0 pages in swap cache
[  275.626848] Swap cache stats: add 0, delete 0, find 0/0
[  275.626850] Free swap  = 0kB
[  275.626852] Total swap = 0kB
[  275.626855] 1965979 pages RAM
[  275.626857] 0 pages HighMem/MovableOnly
[  275.626860] 342307 pages reserved
[  275.626862] 0 pages cma reserved
[  275.626919] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  275.626958] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  275.626963] syz-executor4 cpuset=syz4
[  275.630519]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  275.634376]  mems_allowed=0
[  275.647780]  ? mark_held_locks+0x130/0x130
[  275.764394]  ? mark_held_locks+0x130/0x130
[  275.768626]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.774155]  ? trace_hardirqs_off+0xb8/0x310
[  275.778550]  ? kasan_check_read+0x11/0x20
[  275.782686]  ? do_raw_spin_unlock+0xa7/0x2f0
[  275.787083]  ? trace_hardirqs_on+0x310/0x310
[  275.791479]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.797004]  ? wq_watchdog_touch+0x9c/0xfe
[  275.801227]  ? io_serial_in+0x11/0x90
[  275.805020]  ? retint_kernel+0x2d/0x2d
[  275.808898]  ? trace_hardirqs_on_caller+0xc0/0x310
[  275.813821]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  275.818568]  ? trace_hardirqs_off+0x310/0x310
[  275.823051]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  275.828154]  __alloc_pages_nodemask+0xa80/0xde0
[  275.832813]  ? should_fail+0x22d/0xd01
[  275.836691]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  275.841708]  ? ____cache_alloc_node+0x1c7/0x1e0
[  275.846365]  ? lock_downgrade+0x900/0x900
[  275.850506]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.856036]  cache_grow_begin+0x91/0x8c0
[  275.860090]  ? do_raw_spin_unlock+0xa7/0x2f0
[  275.864495]  fallback_alloc+0x203/0x2e0
[  275.868462]  ____cache_alloc_node+0x1c7/0x1e0
[  275.872955]  kmem_cache_alloc_node+0xe3/0x730
[  275.877440]  ? ipv6_get_ifaddr+0x42e/0x620
[  275.881671]  __alloc_skb+0x119/0x770
[  275.886279]  ? skb_scrub_packet+0x490/0x490
[  275.893146]  ? lock_downgrade+0x900/0x900
[  275.897286]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.902812]  ? refcount_sub_and_test_checked+0x203/0x310
[  275.908763]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  275.914205]  ? addrconf_rs_timer+0x690/0x690
[  275.918609]  ndisc_alloc_skb+0x144/0x340
[  275.922661]  ndisc_send_rs+0x331/0x6e0
[  275.926541]  addrconf_rs_timer+0x314/0x690
[  275.930764]  ? lock_release+0x970/0x970
[  275.934736]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.939425]  call_timer_fn+0x272/0x920
[  275.943300]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.947526]  ? process_timeout+0x40/0x40
[  275.952094]  ? kasan_check_read+0x11/0x20
[  275.956233]  ? do_raw_spin_unlock+0xa7/0x2f0
[  275.960629]  ? trace_hardirqs_on+0x310/0x310
[  275.965027]  ? __run_timers+0x7da/0xc70
[  275.969488]  ? lock_downgrade+0x900/0x900
[  275.973625]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  275.978720]  ? trace_hardirqs_on+0xbd/0x310
[  275.984017]  ? kasan_check_read+0x11/0x20
[  275.988168]  ? __run_timers+0x7da/0xc70
[  275.992133]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  275.999788]  ? kasan_check_write+0x14/0x20
[  276.004521]  ? do_raw_spin_lock+0xc1/0x200
[  276.008748]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.012979]  __run_timers+0x7e5/0xc70
[  276.016779]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  276.022129]  ? compat_start_thread+0x80/0x80
[  276.026530]  ? dequeue_entity+0x1770/0x1770
[  276.030840]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.036365]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.042406]  ? kasan_check_write+0x14/0x20
[  276.046632]  ? finish_task_switch+0x2f5/0x900
[  276.051966]  ? __switch_to_asm+0x40/0x70
[  276.056024]  ? preempt_notifier_register+0x200/0x200
[  276.061115]  ? __switch_to_asm+0x34/0x70
[  276.065163]  ? __switch_to_asm+0x40/0x70
[  276.069209]  ? __switch_to_asm+0x34/0x70
[  276.073260]  ? __switch_to_asm+0x40/0x70
[  276.077310]  ? __switch_to_asm+0x34/0x70
[  276.081361]  ? __switch_to_asm+0x40/0x70
[  276.085426]  ? pvclock_read_flags+0x160/0x160
[  276.089911]  ? __schedule+0x874/0x1ed0
[  276.093793]  ? run_rebalance_domains+0x38d/0x500
[  276.098955]  ? trace_hardirqs_on+0xbd/0x310
[  276.103264]  ? kvm_sched_clock_read+0x9/0x20
[  276.107662]  ? run_ksoftirqd+0x94/0x100
[  276.111937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.117468]  ? check_preemption_disabled+0x48/0x200
[  276.122474]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.128005]  run_timer_softirq+0x52/0xb0
[  276.132060]  ? __this_cpu_preempt_check+0x1c/0x1f
[  276.136891]  __do_softirq+0x30b/0xad8
[  276.140692]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  276.146261]  ? trace_hardirqs_off+0xb8/0x310
[  276.150662]  ? schedule+0x108/0x460
[  276.154291]  ? __schedule+0x1ed0/0x1ed0
[  276.158256]  ? run_ksoftirqd+0x99/0x100
[  276.162220]  ? trace_hardirqs_off+0xb8/0x310
[  276.166617]  ? ___might_sleep+0x1ed/0x300
[  276.170758]  ? smpboot_thread_fn+0x68b/0xa00
[  276.175155]  ? trace_hardirqs_on+0x310/0x310
[  276.179551]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.185076]  ? check_preemption_disabled+0x48/0x200
[  276.190084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.195611]  ? takeover_tasklets+0xa90/0xa90
[  276.200014]  run_ksoftirqd+0x94/0x100
[  276.203802]  smpboot_thread_fn+0x68b/0xa00
[  276.208029]  ? sort_range+0x30/0x30
[  276.211644]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  276.216737]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.222265]  ? __kthread_parkme+0xfb/0x1a0
[  276.226494]  kthread+0x35a/0x420
[  276.229847]  ? sort_range+0x30/0x30
[  276.233460]  ? kthread_bind+0x40/0x40
[  276.237267]  ret_from_fork+0x3a/0x50
[  276.240983] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  276.241049] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  276.248267] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  276.254972] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  276.264246] Call Trace:
[  276.274533] ksoftirqd/1 cpuset=
[  276.277445]  <IRQ>
[  276.277454] /
[  276.280724]  dump_stack+0x1c4/0x2b4
[  276.282847]  mems_allowed=0
[  276.284556]  ? dump_stack_print_info.cold.2+0x52/0x52
[  276.296759]  warn_alloc.cold.119+0xb7/0x1bd
[  276.301069]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  276.305904]  ? lock_downgrade+0x900/0x900
[  276.310045]  ? trace_hardirqs_off+0xb8/0x310
[  276.314445]  ? trace_hardirqs_off+0xb8/0x310
[  276.318846]  __alloc_pages_slowpath+0x2667/0x2d80
[  276.323688]  ? warn_alloc+0x120/0x120
[  276.327479]  ? warn_alloc+0x120/0x120
[  276.331270]  ? warn_alloc+0x120/0x120
[  276.335071]  ? lock_release+0x970/0x970
[  276.339034]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  276.344213]  ? trace_hardirqs_on+0x310/0x310
[  276.348614]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.354143]  ? should_fail+0x22d/0xd01
[  276.358045]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  276.363139]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.368666]  ? should_fail+0x22d/0xd01
[  276.372562]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  276.377654]  ? should_fail+0x22d/0xd01
[  276.381532]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  276.386629]  ? mark_held_locks+0x130/0x130
[  276.390854]  ? mark_held_locks+0x130/0x130
[  276.395089]  ? kvm_clock_read+0x18/0x30
[  276.399054]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  276.404056]  ? ktime_get+0x2e1/0x440
[  276.407761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.413286]  ? check_preemption_disabled+0x48/0x200
[  276.418291]  ? kasan_check_read+0x11/0x20
[  276.422434]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  276.427717]  ? rcu_bh_qs+0xc0/0xc0
[  276.431249]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.436775]  ? check_preemption_disabled+0x48/0x200
[  276.441776]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  276.446778]  ? widen_string+0xe0/0x2e0
[  276.450827]  __alloc_pages_nodemask+0xa80/0xde0
[  276.455484]  ? should_fail+0x22d/0xd01
[  276.459368]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  276.464401]  ? ____cache_alloc_node+0x1c7/0x1e0
[  276.472101]  ? lock_downgrade+0x900/0x900
[  276.476245]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.481778]  cache_grow_begin+0x91/0x8c0
[  276.485829]  ? do_raw_spin_unlock+0xa7/0x2f0
[  276.490227]  fallback_alloc+0x203/0x2e0
[  276.494197]  ____cache_alloc_node+0x1c7/0x1e0
[  276.498688]  kmem_cache_alloc_node+0xe3/0x730
[  276.503172]  ? ipv6_get_ifaddr+0x42e/0x620
[  276.507406]  __alloc_skb+0x119/0x770
[  276.511107]  ? skb_scrub_packet+0x490/0x490
[  276.515424]  ? lock_downgrade+0x900/0x900
[  276.519567]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.525094]  ? refcount_sub_and_test_checked+0x203/0x310
[  276.530534]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  276.535974]  ? addrconf_rs_timer+0x690/0x690
[  276.540386]  ndisc_alloc_skb+0x144/0x340
[  276.544464]  ndisc_send_rs+0x331/0x6e0
[  276.548344]  addrconf_rs_timer+0x314/0x690
[  276.552670]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.556908]  call_timer_fn+0x272/0x920
[  276.560787]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.565012]  ? process_timeout+0x40/0x40
[  276.569064]  ? trace_hardirqs_off+0xb8/0x310
[  276.573461]  ? kasan_check_read+0x11/0x20
[  276.577598]  ? do_raw_spin_unlock+0xa7/0x2f0
[  276.581994]  ? trace_hardirqs_on+0x310/0x310
[  276.586395]  ? __run_timers+0x7da/0xc70
[  276.590382]  ? lock_downgrade+0x900/0x900
[  276.594522]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  276.599612]  ? trace_hardirqs_on+0xbd/0x310
[  276.603920]  ? kasan_check_read+0x11/0x20
[  276.608058]  ? __run_timers+0x7da/0xc70
[  276.612021]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  276.617483]  ? kasan_check_write+0x14/0x20
[  276.621713]  ? do_raw_spin_lock+0xc1/0x200
[  276.625944]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.630168]  __run_timers+0x7e5/0xc70
[  276.633965]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  276.639318]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  276.644337]  ? timerqueue_add+0x207/0x2b0
[  276.648505]  ? enqueue_hrtimer+0x1a5/0x560
[  276.652728]  ? lock_release+0x970/0x970
[  276.656693]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  276.661873]  ? kasan_check_write+0x14/0x20
[  276.666105]  ? pvclock_read_flags+0x160/0x160
[  276.670587]  ? lock_downgrade+0x900/0x900
[  276.674815]  ? trace_hardirqs_on+0xbd/0x310
[  276.679125]  ? kvm_sched_clock_read+0x9/0x20
[  276.683537]  ? irq_exit+0x17f/0x1c0
[  276.687158]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.692690]  ? check_preemption_disabled+0x48/0x200
[  276.697695]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.703223]  run_timer_softirq+0x52/0xb0
[  276.707274]  ? __this_cpu_preempt_check+0x1c/0x1f
[  276.712108]  __do_softirq+0x30b/0xad8
[  276.715902]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  276.720998]  ? pvclock_read_flags+0x160/0x160
[  276.725482]  ? lapic_next_event+0x5a/0x90
[  276.729618]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.735146]  ? clockevents_program_event+0x140/0x370
[  276.740241]  ? kvm_clock_read+0x18/0x30
[  276.744203]  ? kvm_sched_clock_read+0x9/0x20
[  276.748600]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.754125]  ? check_preemption_disabled+0x48/0x200
[  276.759135]  irq_exit+0x17f/0x1c0
[  276.762577]  smp_apic_timer_interrupt+0x1cb/0x760
[  276.767407]  ? smp_reschedule_interrupt+0x109/0x650
[  276.772416]  ? smp_call_function_single_interrupt+0x650/0x650
[  276.778292]  ? interrupt_entry+0xb5/0xf0
[  276.782351]  ? trace_hardirqs_off_caller+0xbb/0x310
[  276.787364]  ? trace_hardirqs_off_caller+0xbb/0x310
[  276.792379]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  276.797212]  ? trace_hardirqs_on_caller+0x310/0x310
[  276.802238]  ? trace_hardirqs_on_caller+0x310/0x310
[  276.807245]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.812773]  ? check_preemption_disabled+0x48/0x200
[  276.817785]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  276.822620]  apic_timer_interrupt+0xf/0x20
[  276.826839]  </IRQ>
[  276.829068] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  276.833986] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  276.852876] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  276.860574] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  276.867832] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  276.875088] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  276.882353] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  276.889610] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  276.896884]  ? trace_hardirqs_on+0xb4/0x310
[  276.901207]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.906754]  skb_clone+0x1bb/0x500
[  276.910285]  ? finish_task_switch+0x2f5/0x900
[  276.914790]  ? skb_split+0x11e0/0x11e0
[  276.918672]  ? preempt_notifier_register+0x200/0x200
[  276.923766]  ? __switch_to_asm+0x34/0x70
[  276.927814]  ? __switch_to_asm+0x34/0x70
[  276.931860]  ? __switch_to_asm+0x40/0x70
[  276.935907]  ? __switch_to_asm+0x34/0x70
[  276.939960]  ? __switch_to_asm+0x40/0x70
[  276.944011]  ? __switch_to_asm+0x34/0x70
[  276.948062]  ? __switch_to_asm+0x40/0x70
[  276.952113]  ? __switch_to_asm+0x34/0x70
[  276.956166]  ? __switch_to_asm+0x34/0x70
[  276.960216]  ? __switch_to_asm+0x40/0x70
[  276.964269]  ? __switch_to_asm+0x34/0x70
[  276.968334]  bpf_clone_redirect+0xb9/0x490
[  276.972569]  ? __schedule+0x874/0x1ed0
[  276.976449]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  276.981371]  ? __sched_text_start+0x8/0x8
[  276.985510]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  276.990256]  ? retint_kernel+0x2d/0x2d
[  276.994137]  ? lock_acquire+0x1ed/0x520
[  276.998099]  ? bpf_test_run+0x32e/0x5a0
[  277.002064]  ? lock_release+0x970/0x970
[  277.006028]  ? preempt_schedule+0x4d/0x60
[  277.010166]  ? preempt_schedule_common+0x1f/0xd0
[  277.014916]  ? preempt_schedule+0x4d/0x60
[  277.019056]  ? ___preempt_schedule+0x16/0x18
[  277.023455]  ? bpf_test_run+0x1c0/0x5a0
[  277.027426]  ? netlink_diag_dump+0x2a0/0x2a0
[  277.031826]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.037360]  ? bpf_test_init.isra.9+0x70/0x100
[  277.041933]  ? bpf_prog_test_run_skb+0x634/0xb40
[  277.046682]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  277.051518]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  277.057044]  ? fput+0x130/0x1a0
[  277.060327]  ? __bpf_prog_get+0x9b/0x290
[  277.064497]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  277.069338]  ? bpf_prog_test_run+0x130/0x1a0
[  277.073742]  ? __x64_sys_bpf+0x3d8/0x510
[  277.077793]  ? bpf_prog_get+0x20/0x20
[  277.081595]  ? do_syscall_64+0x1b9/0x820
[  277.085657]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  277.091012]  ? syscall_return_slowpath+0x5e0/0x5e0
[  277.095932]  ? trace_hardirqs_on_caller+0x310/0x310
[  277.100952]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  277.105959]  ? recalc_sigpending_tsk+0x180/0x180
[  277.111127]  ? kasan_check_write+0x14/0x20
[  277.115480]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  277.120333]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  277.125835] warn_alloc_show_mem: 1 callbacks suppressed
[  277.125845] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  277.125846] Mem-Info:
[  277.125876] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  277.125876]  active_file:16 inactive_file:17 isolated_file:0
[  277.125876]  unevictable:0 dirty:0 writeback:0 unstable:0
[  277.125876]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  277.125876]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  277.125876]  free:13792 free_pcp:309 free_cma:0
[  277.131203] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  277.131210] Call Trace:
[  277.138046] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  277.140441]  dump_stack+0x1c4/0x2b4
[  277.173475] Node 0 
[  277.182829]  ? dump_stack_print_info.cold.2+0x52/0x52
[  277.185402] 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
[  277.213213]  ? isolate_lru_page+0x22e0/0x22e0
[  277.216808] lowmem_reserve[]:
[  277.219040]  warn_alloc.cold.119+0xb7/0x1bd
[  277.224212]  0
[  277.249801]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  277.254265]  2819
[  277.257355]  ? lock_downgrade+0x900/0x900
[  277.261638]  6323 6323
[  277.263437]  ? trace_hardirqs_off+0xb8/0x310
[  277.270387]  ? trace_hardirqs_off+0xb8/0x310
[  277.274501] Node 0 
[  277.276997]  __alloc_pages_slowpath+0x2667/0x2d80
[  277.281394] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  277.285773]  ? mark_held_locks+0x130/0x130
[  277.287973] lowmem_reserve[]:
[  277.292810]  ? warn_alloc+0x120/0x120
[  277.319763]  0
[  277.323989]  ? warn_alloc+0x120/0x120
[  277.327058]  0
[  277.330842]  ? warn_alloc+0x120/0x120
[  277.332611]  3503
[  277.336395]  ? mark_held_locks+0x130/0x130
[  277.338167]  3503
[  277.341954]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.348202]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.350234] Node 0 
[  277.355757]  ? should_fail+0x22d/0xd01
[  277.361288] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  277.363488]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  277.367343] lowmem_reserve[]:
[  277.395944]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.401015]  0
[  277.404104]  ? should_fail+0x22d/0xd01
[  277.409606]  0
[  277.411396]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  277.415250]  0
[  277.417039]  ? should_fail+0x22d/0xd01
[  277.422110]  0
[  277.423897]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  277.429538]  ? mark_held_locks+0x130/0x130
[  277.434607] Node 0 DMA: 
[  277.438824]  ? mark_held_locks+0x130/0x130
[  277.438840]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.441479] 1*4kB 
[  277.445698]  ? trace_hardirqs_off+0xb8/0x310
[  277.452282] (U) 0*8kB 
[  277.457316]  ? kasan_check_read+0x11/0x20
[  277.461700] 0*16kB 
[  277.464186]  ? do_raw_spin_unlock+0xa7/0x2f0
[  277.468305] 1*32kB 
[  277.470522]  ? trace_hardirqs_on+0x310/0x310
[  277.474894] (U) 
[  277.477132]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.481506] 2*64kB 
[  277.483466]  ? wq_watchdog_touch+0x9c/0xfe
[  277.488971] (U) 
[  277.491197]  ? io_serial_in+0x11/0x90
[  277.495400] 1*128kB 
[  277.497359]  ? retint_kernel+0x2d/0x2d
[  277.501124] (U) 
[  277.503433]  ? trace_hardirqs_on_caller+0xc0/0x310
[  277.507298] 1*256kB 
[  277.509255]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  277.514148] (U) 
[  277.516458]  ? trace_hardirqs_off+0x310/0x310
[  277.521179] 0*512kB 
[  277.523137]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  277.527602] 1*1024kB 
[  277.529925]  __alloc_pages_nodemask+0xa80/0xde0
[  277.534994] (U) 
[  277.537391]  ? should_fail+0x22d/0xd01
[  277.542024] 1*2048kB 
[  277.544002]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  277.547854] (M) 
[  277.550260]  ? ____cache_alloc_node+0x1c7/0x1e0
[  277.555236] 3*4096kB (M) 
[  277.557202]  ? lock_downgrade+0x900/0x900
[  277.561836] = 15908kB
[  277.564594]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.568708] Node 0 
[  277.571107]  cache_grow_begin+0x91/0x8c0
[  277.576606] DMA32: 6*4kB 
[  277.578838]  ? do_raw_spin_unlock+0xa7/0x2f0
[  277.582864] (UME) 
[  277.585612]  fallback_alloc+0x203/0x2e0
[  277.589992] 2*8kB (UE) 
[  277.592132]  ____cache_alloc_node+0x1c7/0x1e0
[  277.596076] 4*16kB 
[  277.598643]  kmem_cache_alloc_node+0xe3/0x730
[  277.603106] (UME) 
[  277.605331]  ? ipv6_get_ifaddr+0x42e/0x620
[  277.609794] 4*32kB 
[  277.611934]  __alloc_skb+0x119/0x770
[  277.616137] (UME) 
[  277.618359]  ? skb_scrub_packet+0x490/0x490
[  277.622043] 5*64kB 
[  277.624189]  ? lock_downgrade+0x900/0x900
[  277.628471] (ME) 5*128kB 
[  277.630700]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.634809] (UME) 4*256kB 
[  277.638012]  ? refcount_sub_and_test_checked+0x203/0x310
[  277.643603] (ME) 
[  277.646437]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  277.651856] 5*512kB 
[  277.653904]  ? addrconf_rs_timer+0x690/0x690
[  277.659321] (UME) 
[  277.661636]  ndisc_alloc_skb+0x144/0x340
[  277.666006] 4*1024kB 
[  277.668141]  ndisc_send_rs+0x331/0x6e0
[  277.672180] (UME) 
[  277.674577]  addrconf_rs_timer+0x314/0x690
[  277.678427] 2*2048kB (ME) 
[  277.680580]  ? lock_release+0x970/0x970
[  277.684786] 3*4096kB 
[  277.687617]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.691573] (M) 
[  277.694448]  call_timer_fn+0x272/0x920
[  277.698656] = 25256kB
[  277.700620]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.704485] Node 0 
[  277.706879]  ? process_timeout+0x40/0x40
[  277.711080] Normal: 
[  277.713303]  ? kasan_check_read+0x11/0x20
[  277.717334] 1063*4kB 
[  277.720091]  ? do_raw_spin_unlock+0xa7/0x2f0
[  277.724205] (UMEH) 
[  277.726603]  ? trace_hardirqs_on+0x310/0x310
[  277.730980] 420*8kB 
[  277.733213]  ? __run_timers+0x7da/0xc70
[  277.737590] (UME) 
[  277.739903]  ? lock_downgrade+0x900/0x900
[  277.743845] 170*16kB 
[  277.745981]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  277.750093] (UMEH) 
[  277.753432]  ? trace_hardirqs_on+0xbd/0x310
[  277.758503] 65*32kB 
[  277.760725]  ? kasan_check_read+0x11/0x20
[  277.765008] (UME) 9*64kB 
[  277.767326]  ? __run_timers+0x7da/0xc70
[  277.771435] (UM) 0*128kB 
[  277.774187]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  277.778545] 0*256kB 
[  277.781785]  ? kasan_check_write+0x14/0x20
[  277.787197] 0*512kB 1*1024kB 
[  277.789513]  ? do_raw_spin_lock+0xc1/0x200
[  277.794582] (H) 
[  277.797686]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.801880] 0*2048kB 0*4096kB 
[  277.803850]  __run_timers+0x7e5/0xc70
[  277.808054] = 14012kB
[  277.811235]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  277.815011] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  277.817393]  ? compat_start_thread+0x80/0x80
[  277.817407]  ? dequeue_entity+0x1770/0x1770
[  277.822744] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  277.831574]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.835948] 4986 total pagecache pages
[  277.840260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.848811] 0 pages in swap cache
[  277.855768]  ? kasan_check_write+0x14/0x20
[  277.859629] Swap cache stats: add 0, delete 0, find 0/0
[  277.865146]  ? finish_task_switch+0x2f5/0x900
[  277.868568] Free swap  = 0kB
[  277.872800]  ? __switch_to_asm+0x40/0x70
[  277.878125] Total swap = 0kB
[  277.878133] 1965979 pages RAM
[  277.882612]  ? preempt_notifier_register+0x200/0x200
[  277.885596] 0 pages HighMem/MovableOnly
[  277.889656]  ? __switch_to_asm+0x34/0x70
[  277.892640] 342307 pages reserved
[  277.895726]  ? __switch_to_asm+0x40/0x70
[  277.900799] 0 pages cma reserved
[  277.904757]  ? __switch_to_asm+0x34/0x70
[  277.908832] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  277.912218]  ? __switch_to_asm+0x40/0x70
[  277.912228]  ? __switch_to_asm+0x34/0x70
[  277.912249]  ? __switch_to_asm+0x40/0x70
[  277.916339] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  277.919938]  ? pvclock_read_flags+0x160/0x160
[  277.923985] syz-executor4 cpuset=
[  277.930973]  ? __schedule+0x874/0x1ed0
[  277.935003] syz4
[  277.939050]  ? run_rebalance_domains+0x38d/0x500
[  277.943081]  mems_allowed=0
[  277.954059]  ? trace_hardirqs_on+0xbd/0x310
[  277.979720]  ? kvm_sched_clock_read+0x9/0x20
[  277.984145]  ? run_ksoftirqd+0x94/0x100
[  277.988634]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.994166]  ? check_preemption_disabled+0x48/0x200
[  277.999674]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.005210]  run_timer_softirq+0x52/0xb0
[  278.009276]  ? __this_cpu_preempt_check+0x1c/0x1f
[  278.014629]  __do_softirq+0x30b/0xad8
[  278.018428]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  278.023521]  ? trace_hardirqs_off+0xb8/0x310
[  278.027926]  ? schedule+0x108/0x460
[  278.031547]  ? __schedule+0x1ed0/0x1ed0
[  278.035511]  ? run_ksoftirqd+0x99/0x100
[  278.039478]  ? trace_hardirqs_off+0xb8/0x310
[  278.043880]  ? ___might_sleep+0x1ed/0x300
[  278.048020]  ? smpboot_thread_fn+0x68b/0xa00
[  278.052419]  ? trace_hardirqs_on+0x310/0x310
[  278.056818]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.062356]  ? check_preemption_disabled+0x48/0x200
[  278.067363]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.072892]  ? takeover_tasklets+0xa90/0xa90
[  278.077291]  run_ksoftirqd+0x94/0x100
[  278.081085]  smpboot_thread_fn+0x68b/0xa00
[  278.085796]  ? sort_range+0x30/0x30
[  278.089561]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  278.095261]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.100793]  ? __kthread_parkme+0xfb/0x1a0
[  278.105020]  kthread+0x35a/0x420
[  278.108783]  ? sort_range+0x30/0x30
[  278.112404]  ? kthread_bind+0x40/0x40
[  278.116195]  ret_from_fork+0x3a/0x50
[  278.119920] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  278.119969] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  278.127184] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  278.127188] Call Trace:
[  278.127193]  <IRQ>
[  278.127207]  dump_stack+0x1c4/0x2b4
[  278.127232]  ? dump_stack_print_info.cold.2+0x52/0x52
[  278.133757] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  278.143039]  warn_alloc.cold.119+0xb7/0x1bd
[  278.145887] ksoftirqd/1 cpuset=
[  278.148027]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  278.151619] /
[  278.156793]  ? lock_downgrade+0x900/0x900
[  278.167078]  mems_allowed=0
[  278.171386]  ? trace_hardirqs_off+0xb8/0x310
[  278.192575]  ? trace_hardirqs_off+0xb8/0x310
[  278.196978]  __alloc_pages_slowpath+0x2667/0x2d80
[  278.201825]  ? warn_alloc+0x120/0x120
[  278.205617]  ? warn_alloc+0x120/0x120
[  278.209412]  ? warn_alloc+0x120/0x120
[  278.213202]  ? mark_held_locks+0x130/0x130
[  278.217441]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.222971]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.228524]  ? should_fail+0x22d/0xd01
[  278.232407]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  278.237500]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.243026]  ? should_fail+0x22d/0xd01
[  278.246905]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  278.251997]  ? should_fail+0x22d/0xd01
[  278.255878]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  278.260971]  ? mark_held_locks+0x130/0x130
[  278.265196]  ? mark_held_locks+0x130/0x130
[  278.269426]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.274959]  ? trace_hardirqs_off+0xb8/0x310
[  278.279698]  ? kasan_check_read+0x11/0x20
[  278.283842]  ? do_raw_spin_unlock+0xa7/0x2f0
[  278.288246]  ? trace_hardirqs_on+0x310/0x310
[  278.292641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.298169]  ? wq_watchdog_touch+0x9c/0xfe
[  278.302395]  ? io_serial_in+0x11/0x90
[  278.306182]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.311718]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  278.316817]  __alloc_pages_nodemask+0xa80/0xde0
[  278.321476]  ? should_fail+0x22d/0xd01
[  278.325354]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  278.330371]  ? ____cache_alloc_node+0x1c7/0x1e0
[  278.335124]  ? lock_downgrade+0x900/0x900
[  278.339282]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.344810]  cache_grow_begin+0x91/0x8c0
[  278.348862]  ? do_raw_spin_unlock+0xa7/0x2f0
[  278.353262]  fallback_alloc+0x203/0x2e0
[  278.357236]  ____cache_alloc_node+0x1c7/0x1e0
[  278.361725]  kmem_cache_alloc_node+0xe3/0x730
[  278.366219]  ? ipv6_get_ifaddr+0x42e/0x620
[  278.370452]  __alloc_skb+0x119/0x770
[  278.374154]  ? skb_scrub_packet+0x490/0x490
[  278.378494]  ? lock_downgrade+0x900/0x900
[  278.382633]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.388163]  ? refcount_sub_and_test_checked+0x203/0x310
[  278.393623]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  278.399062]  ? addrconf_rs_timer+0x690/0x690
[  278.403465]  ndisc_alloc_skb+0x144/0x340
[  278.407517]  ndisc_send_rs+0x331/0x6e0
[  278.411414]  addrconf_rs_timer+0x314/0x690
[  278.415644]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.419874]  call_timer_fn+0x272/0x920
[  278.423750]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.427974]  ? process_timeout+0x40/0x40
[  278.432027]  ? trace_hardirqs_off+0xb8/0x310
[  278.436420]  ? kasan_check_read+0x11/0x20
[  278.440557]  ? do_raw_spin_unlock+0xa7/0x2f0
[  278.444958]  ? trace_hardirqs_on+0x310/0x310
[  278.451234]  ? __run_timers+0x7da/0xc70
[  278.455202]  ? lock_downgrade+0x900/0x900
[  278.459347]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  278.464444]  ? trace_hardirqs_on+0xbd/0x310
[  278.469621]  ? kasan_check_read+0x11/0x20
[  278.473761]  ? __run_timers+0x7da/0xc70
[  278.477725]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  278.483469]  ? kasan_check_write+0x14/0x20
[  278.487693]  ? do_raw_spin_lock+0xc1/0x200
[  278.492027]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.496249]  __run_timers+0x7e5/0xc70
[  278.500046]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  278.505579]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  278.510590]  ? timerqueue_add+0x207/0x2b0
[  278.514731]  ? enqueue_hrtimer+0x1a5/0x560
[  278.520040]  ? lock_release+0x970/0x970
[  278.524006]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  278.529197]  ? kasan_check_write+0x14/0x20
[  278.533430]  ? pvclock_read_flags+0x160/0x160
[  278.538500]  ? lock_downgrade+0x900/0x900
[  278.542771]  ? trace_hardirqs_on+0xbd/0x310
[  278.547100]  ? kvm_sched_clock_read+0x9/0x20
[  278.551501]  ? irq_exit+0x17f/0x1c0
[  278.555122]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.560653]  ? check_preemption_disabled+0x48/0x200
[  278.565655]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.571194]  run_timer_softirq+0x52/0xb0
[  278.575301]  ? __this_cpu_preempt_check+0x1c/0x1f
[  278.580129]  __do_softirq+0x30b/0xad8
[  278.583925]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  278.589019]  ? pvclock_read_flags+0x160/0x160
[  278.593503]  ? lapic_next_event+0x5a/0x90
[  278.597640]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.603167]  ? clockevents_program_event+0x140/0x370
[  278.608271]  ? kvm_clock_read+0x18/0x30
[  278.612236]  ? kvm_sched_clock_read+0x9/0x20
[  278.616633]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.622162]  ? check_preemption_disabled+0x48/0x200
[  278.627245]  irq_exit+0x17f/0x1c0
[  278.630690]  smp_apic_timer_interrupt+0x1cb/0x760
[  278.635522]  ? smp_reschedule_interrupt+0x109/0x650
[  278.640530]  ? smp_call_function_single_interrupt+0x650/0x650
[  278.646407]  ? interrupt_entry+0xb5/0xf0
[  278.650457]  ? trace_hardirqs_off_caller+0xbb/0x310
[  278.655461]  ? trace_hardirqs_off_caller+0xbb/0x310
[  278.660468]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  278.665298]  ? trace_hardirqs_on_caller+0x310/0x310
[  278.670303]  ? trace_hardirqs_on_caller+0x310/0x310
[  278.675310]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.680837]  ? check_preemption_disabled+0x48/0x200
[  278.685855]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  278.690693]  apic_timer_interrupt+0xf/0x20
[  278.694912]  </IRQ>
[  278.697159] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  278.702091] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  278.720981] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  278.728678] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  278.735942] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  278.743207] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  278.750464] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  278.757720] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  278.764990]  ? trace_hardirqs_on+0xb4/0x310
[  278.769305]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.774834]  skb_clone+0x1bb/0x500
[  278.778360]  ? finish_task_switch+0x2f5/0x900
[  278.782840]  ? skb_split+0x11e0/0x11e0
[  278.786718]  ? preempt_notifier_register+0x200/0x200
[  278.791810]  ? __switch_to_asm+0x34/0x70
[  278.795860]  ? __switch_to_asm+0x34/0x70
[  278.799911]  ? __switch_to_asm+0x40/0x70
[  278.803961]  ? __switch_to_asm+0x34/0x70
[  278.808011]  ? __switch_to_asm+0x40/0x70
[  278.812061]  ? __switch_to_asm+0x34/0x70
[  278.816112]  ? __switch_to_asm+0x40/0x70
[  278.820169]  ? __switch_to_asm+0x34/0x70
[  278.824358]  ? __switch_to_asm+0x34/0x70
[  278.828425]  ? __switch_to_asm+0x40/0x70
[  278.832475]  ? __switch_to_asm+0x34/0x70
[  278.836534]  bpf_clone_redirect+0xb9/0x490
[  278.840761]  ? __schedule+0x874/0x1ed0
[  278.844639]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  278.849575]  ? __sched_text_start+0x8/0x8
[  278.853716]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  278.858465]  ? retint_kernel+0x2d/0x2d
[  278.862349]  ? lock_acquire+0x1ed/0x520
[  278.866316]  ? bpf_test_run+0x32e/0x5a0
[  278.870282]  ? lock_release+0x970/0x970
[  278.874246]  ? preempt_schedule+0x4d/0x60
[  278.878384]  ? preempt_schedule_common+0x1f/0xd0
[  278.883158]  ? preempt_schedule+0x4d/0x60
[  278.887299]  ? ___preempt_schedule+0x16/0x18
[  278.891701]  ? bpf_test_run+0x1c0/0x5a0
[  278.895667]  ? netlink_diag_dump+0x2a0/0x2a0
[  278.900068]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.905592]  ? bpf_test_init.isra.9+0x70/0x100
[  278.910169]  ? bpf_prog_test_run_skb+0x634/0xb40
[  278.914921]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  278.919754]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  278.925281]  ? fput+0x130/0x1a0
[  278.928552]  ? __bpf_prog_get+0x9b/0x290
[  278.932603]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  278.937434]  ? bpf_prog_test_run+0x130/0x1a0
[  278.941834]  ? __x64_sys_bpf+0x3d8/0x510
[  278.945897]  ? bpf_prog_get+0x20/0x20
[  278.949700]  ? do_syscall_64+0x1b9/0x820
[  278.953750]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  278.959103]  ? syscall_return_slowpath+0x5e0/0x5e0
[  278.964024]  ? trace_hardirqs_on_caller+0x310/0x310
[  278.969030]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  278.974042]  ? recalc_sigpending_tsk+0x180/0x180
[  278.978789]  ? kasan_check_write+0x14/0x20
[  278.983015]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  278.987853]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  278.993208] warn_alloc_show_mem: 1 callbacks suppressed
[  278.993217] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  278.993219] Mem-Info:
[  278.993229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  278.998583] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  278.998583]  active_file:16 inactive_file:17 isolated_file:0
[  278.998583]  unevictable:0 dirty:0 writeback:0 unstable:0
[  278.998583]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  278.998583]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  278.998583]  free:13792 free_pcp:309 free_cma:0
[  279.005390] Call Trace:
[  279.007796] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  279.017136]  dump_stack+0x1c4/0x2b4
[  279.050170] Node 0 
[  279.052746]  ? dump_stack_print_info.cold.2+0x52/0x52
[  279.080577] 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
[  279.084180]  ? isolate_lru_page+0x22e0/0x22e0
[  279.086376] lowmem_reserve[]: 0
[  279.091556]  warn_alloc.cold.119+0xb7/0x1bd
[  279.117465]  2819
[  279.121948]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  279.125193]  6323
[  279.129510]  ? lock_downgrade+0x900/0x900
[  279.131540]  6323
[  279.136366]  ? trace_hardirqs_off+0xb8/0x310
[  279.143506]  ? trace_hardirqs_off+0xb8/0x310
[  279.145569] Node 0 DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  279.145590] lowmem_reserve[]: 0 0 3503 3503
[  279.145601] Node 0 Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  279.145620] lowmem_reserve[]: 0 0 0 0
[  279.145642] 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
[  279.145703] Node 0 DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB
[  279.145776] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB
[  279.145837] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  279.145843] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  279.145846] 4986 total pagecache pages
[  279.145850] 0 pages in swap cache
[  279.145855] Swap cache stats: add 0, delete 0, find 0/0
[  279.145857] Free swap  = 0kB
[  279.145870] Total swap = 0kB
[  279.145873] 1965979 pages RAM
[  279.145876] 0 pages HighMem/MovableOnly
[  279.145878] 342307 pages reserved
[  279.145880] 0 pages cma reserved
[  279.145934] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  279.145981] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  279.145985] syz-executor4 cpuset=syz4 mems_allowed=0
[  279.342107]  __alloc_pages_slowpath+0x2667/0x2d80
[  279.346963]  ? mark_held_locks+0x130/0x130
[  279.351193]  ? warn_alloc+0x120/0x120
[  279.354989]  ? warn_alloc+0x120/0x120
[  279.358781]  ? warn_alloc+0x120/0x120
[  279.362572]  ? mark_held_locks+0x130/0x130
[  279.366799]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.372324]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.377864]  ? should_fail+0x22d/0xd01
[  279.381746]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  279.386839]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.392366]  ? should_fail+0x22d/0xd01
[  279.396248]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  279.401344]  ? should_fail+0x22d/0xd01
[  279.405229]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  279.410670]  ? mark_held_locks+0x130/0x130
[  279.414897]  ? mark_held_locks+0x130/0x130
[  279.419128]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.425635]  ? trace_hardirqs_off+0xb8/0x310
[  279.430278]  ? kasan_check_read+0x11/0x20
[  279.434420]  ? do_raw_spin_unlock+0xa7/0x2f0
[  279.438995]  ? trace_hardirqs_on+0x310/0x310
[  279.443395]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.448923]  ? wq_watchdog_touch+0x9c/0xfe
[  279.454611]  ? io_serial_in+0x11/0x90
[  279.458410]  ? retint_kernel+0x2d/0x2d
[  279.462290]  ? trace_hardirqs_on_caller+0xc0/0x310
[  279.467734]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  279.472478]  ? trace_hardirqs_off+0x310/0x310
[  279.477048]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  279.483128]  __alloc_pages_nodemask+0xa80/0xde0
[  279.487812]  ? should_fail+0x22d/0xd01
[  279.491697]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  279.496726]  ? ____cache_alloc_node+0x1c7/0x1e0
[  279.505429]  ? lock_downgrade+0x900/0x900
[  279.510212]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.515744]  cache_grow_begin+0x91/0x8c0
[  279.519796]  ? do_raw_spin_unlock+0xa7/0x2f0
[  279.524526]  fallback_alloc+0x203/0x2e0
[  279.528496]  ____cache_alloc_node+0x1c7/0x1e0
[  279.533452]  kmem_cache_alloc_node+0xe3/0x730
[  279.537938]  ? ipv6_get_ifaddr+0x42e/0x620
[  279.542666]  __alloc_skb+0x119/0x770
[  279.546374]  ? skb_scrub_packet+0x490/0x490
[  279.551158]  ? lock_downgrade+0x900/0x900
[  279.555300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.561365]  ? refcount_sub_and_test_checked+0x203/0x310
[  279.566807]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  279.572883]  ? addrconf_rs_timer+0x690/0x690
[  279.577288]  ndisc_alloc_skb+0x144/0x340
[  279.581601]  ndisc_send_rs+0x331/0x6e0
[  279.585973]  addrconf_rs_timer+0x314/0x690
[  279.590194]  ? lock_release+0x970/0x970
[  279.594638]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.598871]  call_timer_fn+0x272/0x920
[  279.602746]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.607450]  ? process_timeout+0x40/0x40
[  279.611516]  ? kasan_check_read+0x11/0x20
[  279.615653]  ? do_raw_spin_unlock+0xa7/0x2f0
[  279.620054]  ? trace_hardirqs_on+0x310/0x310
[  279.624454]  ? __run_timers+0x7da/0xc70
[  279.628923]  ? lock_downgrade+0x900/0x900
[  279.633064]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  279.638165]  ? trace_hardirqs_on+0xbd/0x310
[  279.642473]  ? kasan_check_read+0x11/0x20
[  279.646625]  ? __run_timers+0x7da/0xc70
[  279.650590]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  279.656031]  ? kasan_check_write+0x14/0x20
[  279.660260]  ? do_raw_spin_lock+0xc1/0x200
[  279.664491]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.668716]  __run_timers+0x7e5/0xc70
[  279.672514]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  279.677869]  ? compat_start_thread+0x80/0x80
[  279.682267]  ? dequeue_entity+0x1770/0x1770
[  279.686578]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.692203]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.697733]  ? kasan_check_write+0x14/0x20
[  279.701959]  ? finish_task_switch+0x2f5/0x900
[  279.706444]  ? __switch_to_asm+0x40/0x70
[  279.710498]  ? preempt_notifier_register+0x200/0x200
[  279.715591]  ? __switch_to_asm+0x34/0x70
[  279.719642]  ? __switch_to_asm+0x40/0x70
[  279.724187]  ? __switch_to_asm+0x34/0x70
[  279.728241]  ? __switch_to_asm+0x40/0x70
[  279.732297]  ? __switch_to_asm+0x34/0x70
[  279.736347]  ? __switch_to_asm+0x40/0x70
[  279.740873]  ? pvclock_read_flags+0x160/0x160
[  279.745361]  ? __schedule+0x874/0x1ed0
[  279.749238]  ? run_rebalance_domains+0x38d/0x500
[  279.753990]  ? trace_hardirqs_on+0xbd/0x310
[  279.758303]  ? kvm_sched_clock_read+0x9/0x20
[  279.762701]  ? run_ksoftirqd+0x94/0x100
[  279.767137]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.772670]  ? check_preemption_disabled+0x48/0x200
[  279.777678]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.783211]  run_timer_softirq+0x52/0xb0
[  279.787261]  ? __this_cpu_preempt_check+0x1c/0x1f
[  279.792101]  __do_softirq+0x30b/0xad8
[  279.798634]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  279.805905]  ? trace_hardirqs_off+0xb8/0x310
[  279.810312]  ? schedule+0x108/0x460
[  279.813931]  ? __schedule+0x1ed0/0x1ed0
[  279.817899]  ? run_ksoftirqd+0x99/0x100
[  279.821863]  ? trace_hardirqs_off+0xb8/0x310
[  279.826633]  ? ___might_sleep+0x1ed/0x300
[  279.830771]  ? smpboot_thread_fn+0x68b/0xa00
[  279.835168]  ? trace_hardirqs_on+0x310/0x310
[  279.839567]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.845098]  ? check_preemption_disabled+0x48/0x200
[  279.850106]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.855638]  ? takeover_tasklets+0xa90/0xa90
[  279.860036]  run_ksoftirqd+0x94/0x100
[  279.863829]  smpboot_thread_fn+0x68b/0xa00
[  279.868056]  ? sort_range+0x30/0x30
[  279.871682]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  279.876775]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.882304]  ? __kthread_parkme+0xfb/0x1a0
[  279.886560]  kthread+0x35a/0x420
[  279.889916]  ? sort_range+0x30/0x30
[  279.893535]  ? kthread_bind+0x40/0x40
[  279.897327]  ret_from_fork+0x3a/0x50
[  279.901038] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  279.901094] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  279.908315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  279.914846] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  279.924113] Call Trace:
[  279.934399] ksoftirqd/1 cpuset=
[  279.936958]  <IRQ>
[  279.936960] / mems_allowed=0
[  279.940230]  dump_stack+0x1c4/0x2b4
[  279.948953]  ? dump_stack_print_info.cold.2+0x52/0x52
[  279.954138]  warn_alloc.cold.119+0xb7/0x1bd
[  279.958456]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  279.963293]  ? lock_downgrade+0x900/0x900
[  279.967433]  ? trace_hardirqs_off+0xb8/0x310
[  279.971833]  ? trace_hardirqs_off+0xb8/0x310
[  279.976234]  __alloc_pages_slowpath+0x2667/0x2d80
[  279.981104]  ? warn_alloc+0x120/0x120
[  279.984900]  ? warn_alloc+0x120/0x120
[  279.988690]  ? warn_alloc+0x120/0x120
[  279.992485]  ? lock_release+0x970/0x970
[  279.996452]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  280.001633]  ? trace_hardirqs_on+0x310/0x310
[  280.006032]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.011578]  ? should_fail+0x22d/0xd01
[  280.015466]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  280.020578]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.026110]  ? should_fail+0x22d/0xd01
[  280.029992]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  280.035098]  ? should_fail+0x22d/0xd01
[  280.038988]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  280.044098]  ? mark_held_locks+0x130/0x130
[  280.048325]  ? mark_held_locks+0x130/0x130
[  280.052635]  ? kvm_clock_read+0x18/0x30
[  280.056605]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  280.061611]  ? ktime_get+0x2e1/0x440
[  280.065316]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.070845]  ? check_preemption_disabled+0x48/0x200
[  280.075854]  ? kasan_check_read+0x11/0x20
[  280.079996]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  280.085266]  ? rcu_bh_qs+0xc0/0xc0
[  280.088800]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.094332]  ? check_preemption_disabled+0x48/0x200
[  280.099337]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  280.104340]  ? widen_string+0xe0/0x2e0
[  280.108739]  __alloc_pages_nodemask+0xa80/0xde0
[  280.113400]  ? should_fail+0x22d/0xd01
[  280.117282]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  280.122312]  ? ____cache_alloc_node+0x1c7/0x1e0
[  280.126970]  ? lock_downgrade+0x900/0x900
[  280.131112]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.136641]  cache_grow_begin+0x91/0x8c0
[  280.140701]  ? do_raw_spin_unlock+0xa7/0x2f0
[  280.145102]  fallback_alloc+0x203/0x2e0
[  280.149080]  ____cache_alloc_node+0x1c7/0x1e0
[  280.153569]  kmem_cache_alloc_node+0xe3/0x730
[  280.158065]  ? ipv6_get_ifaddr+0x42e/0x620
[  280.162298]  __alloc_skb+0x119/0x770
[  280.166006]  ? skb_scrub_packet+0x490/0x490
[  280.170316]  ? lock_downgrade+0x900/0x900
[  280.174607]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.180165]  ? refcount_sub_and_test_checked+0x203/0x310
[  280.185604]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  280.191168]  ? addrconf_rs_timer+0x690/0x690
[  280.195572]  ndisc_alloc_skb+0x144/0x340
[  280.199624]  ndisc_send_rs+0x331/0x6e0
[  280.203506]  addrconf_rs_timer+0x314/0x690
[  280.207732]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.211962]  call_timer_fn+0x272/0x920
[  280.215838]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.220073]  ? process_timeout+0x40/0x40
[  280.224122]  ? trace_hardirqs_off+0xb8/0x310
[  280.228517]  ? kasan_check_read+0x11/0x20
[  280.232657]  ? do_raw_spin_unlock+0xa7/0x2f0
[  280.237071]  ? trace_hardirqs_on+0x310/0x310
[  280.241471]  ? __run_timers+0x7da/0xc70
[  280.245434]  ? lock_downgrade+0x900/0x900
[  280.249574]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  280.254682]  ? trace_hardirqs_on+0xbd/0x310
[  280.258992]  ? kasan_check_read+0x11/0x20
[  280.263129]  ? __run_timers+0x7da/0xc70
[  280.267095]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  280.272533]  ? kasan_check_write+0x14/0x20
[  280.277182]  ? do_raw_spin_lock+0xc1/0x200
[  280.281412]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.285640]  __run_timers+0x7e5/0xc70
[  280.289438]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  280.294791]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  280.299800]  ? timerqueue_add+0x207/0x2b0
[  280.303940]  ? enqueue_hrtimer+0x1a5/0x560
[  280.308162]  ? lock_release+0x970/0x970
[  280.312137]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  280.317318]  ? kasan_check_write+0x14/0x20
[  280.321544]  ? pvclock_read_flags+0x160/0x160
[  280.326037]  ? lock_downgrade+0x900/0x900
[  280.330184]  ? trace_hardirqs_on+0xbd/0x310
[  280.334497]  ? kvm_sched_clock_read+0x9/0x20
[  280.338898]  ? irq_exit+0x17f/0x1c0
[  280.342516]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.348226]  ? check_preemption_disabled+0x48/0x200
[  280.353240]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.358770]  run_timer_softirq+0x52/0xb0
[  280.362824]  ? __this_cpu_preempt_check+0x1c/0x1f
[  280.367661]  __do_softirq+0x30b/0xad8
[  280.371455]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  280.376548]  ? pvclock_read_flags+0x160/0x160
[  280.381042]  ? lapic_next_event+0x5a/0x90
[  280.385184]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.390713]  ? clockevents_program_event+0x140/0x370
[  280.395814]  ? kvm_clock_read+0x18/0x30
[  280.399779]  ? kvm_sched_clock_read+0x9/0x20
[  280.404180]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.409709]  ? check_preemption_disabled+0x48/0x200
[  280.414726]  irq_exit+0x17f/0x1c0
[  280.418172]  smp_apic_timer_interrupt+0x1cb/0x760
[  280.423004]  ? smp_reschedule_interrupt+0x109/0x650
[  280.428027]  ? smp_call_function_single_interrupt+0x650/0x650
[  280.433909]  ? interrupt_entry+0xb5/0xf0
[  280.437961]  ? trace_hardirqs_off_caller+0xbb/0x310
[  280.442966]  ? trace_hardirqs_off_caller+0xbb/0x310
[  280.447976]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  280.453571]  ? trace_hardirqs_on_caller+0x310/0x310
[  280.458577]  ? trace_hardirqs_on_caller+0x310/0x310
[  280.463582]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.470495]  ? check_preemption_disabled+0x48/0x200
[  280.475510]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  280.480346]  apic_timer_interrupt+0xf/0x20
[  280.484958]  </IRQ>
[  280.487191] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  280.492112] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  280.511666] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  280.519366] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  280.526623] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  280.533896] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  280.541154] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  280.548414] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  280.555699]  ? trace_hardirqs_on+0xb4/0x310
[  280.560063]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.565597]  skb_clone+0x1bb/0x500
[  280.569129]  ? finish_task_switch+0x2f5/0x900
[  280.573616]  ? skb_split+0x11e0/0x11e0
[  280.577494]  ? preempt_notifier_register+0x200/0x200
[  280.582587]  ? __switch_to_asm+0x34/0x70
[  280.586643]  ? __switch_to_asm+0x34/0x70
[  280.590695]  ? __switch_to_asm+0x40/0x70
[  280.594742]  ? __switch_to_asm+0x34/0x70
[  280.598794]  ? __switch_to_asm+0x40/0x70
[  280.602842]  ? __switch_to_asm+0x34/0x70
[  280.606892]  ? __switch_to_asm+0x40/0x70
[  280.610945]  ? __switch_to_asm+0x34/0x70
[  280.614993]  ? __switch_to_asm+0x34/0x70
[  280.619075]  ? __switch_to_asm+0x40/0x70
[  280.623123]  ? __switch_to_asm+0x34/0x70
[  280.627197]  bpf_clone_redirect+0xb9/0x490
[  280.631425]  ? __schedule+0x874/0x1ed0
[  280.635420]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  280.640340]  ? __sched_text_start+0x8/0x8
[  280.646566]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  280.651315]  ? retint_kernel+0x2d/0x2d
[  280.655202]  ? lock_acquire+0x1ed/0x520
[  280.659163]  ? bpf_test_run+0x32e/0x5a0
[  280.663130]  ? lock_release+0x970/0x970
[  280.667092]  ? preempt_schedule+0x4d/0x60
[  280.671230]  ? preempt_schedule_common+0x1f/0xd0
[  280.675985]  ? preempt_schedule+0x4d/0x60
[  280.680135]  ? ___preempt_schedule+0x16/0x18
[  280.684544]  ? bpf_test_run+0x1c0/0x5a0
[  280.688517]  ? netlink_diag_dump+0x2a0/0x2a0
[  280.692923]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.698450]  ? bpf_test_init.isra.9+0x70/0x100
[  280.703139]  ? bpf_prog_test_run_skb+0x634/0xb40
[  280.707902]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  280.712738]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  280.718267]  ? fput+0x130/0x1a0
[  280.721541]  ? __bpf_prog_get+0x9b/0x290
[  280.725594]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  280.730424]  ? bpf_prog_test_run+0x130/0x1a0
[  280.734824]  ? __x64_sys_bpf+0x3d8/0x510
[  280.738875]  ? bpf_prog_get+0x20/0x20
[  280.742676]  ? do_syscall_64+0x1b9/0x820
[  280.746731]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  280.752092]  ? syscall_return_slowpath+0x5e0/0x5e0
[  280.757023]  ? trace_hardirqs_on_caller+0x310/0x310
[  280.762101]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  280.767105]  ? recalc_sigpending_tsk+0x180/0x180
[  280.771850]  ? kasan_check_write+0x14/0x20
[  280.776081]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  280.780934]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  280.786293] warn_alloc_show_mem: 1 callbacks suppressed
[  280.786303] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  280.786304] Mem-Info:
[  280.786331] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  280.786331]  active_file:16 inactive_file:17 isolated_file:0
[  280.786331]  unevictable:0 dirty:0 writeback:0 unstable:0
[  280.786331]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  280.786331]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  280.786331]  free:13792 free_pcp:309 free_cma:0
[  280.792124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  280.798956] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  280.801340] Call Trace:
[  280.834370] Node 0 
[  280.843717]  dump_stack+0x1c4/0x2b4
[  280.871560] 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
[  280.874114]  ? dump_stack_print_info.cold.2+0x52/0x52
[  280.876319] lowmem_reserve[]:
[  280.879932]  ? isolate_lru_page+0x22e0/0x22e0
[  280.905398]  0
[  280.913560]  warn_alloc.cold.119+0xb7/0x1bd
[  280.916647]  2819
[  280.921131]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  280.922895]  6323 6323
[  280.927221]  ? lock_downgrade+0x900/0x900
[  280.934093]  ? trace_hardirqs_off+0xb8/0x310
[  280.936562] Node 0 
[  280.940694]  ? trace_hardirqs_off+0xb8/0x310
[  280.945093] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  280.947294]  __alloc_pages_slowpath+0x2667/0x2d80
[  280.951758] lowmem_reserve[]:
[  280.978726]  ? mark_held_locks+0x130/0x130
[  280.983529]  0
[  280.986620]  ? warn_alloc+0x120/0x120
[  280.990837]  0 3503
[  280.992641]  ? warn_alloc+0x120/0x120
[  280.996412]  3503
[  280.998632]  ? warn_alloc+0x120/0x120
[  281.004448]  ? mark_held_locks+0x130/0x130
[  281.008217] Node 0 Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  281.012458]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.012474]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.041517] lowmem_reserve[]:
[  281.047061]  ? should_fail+0x22d/0xd01
[  281.052560]  0
[  281.056155]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  281.060007]  0 0
[  281.061803]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.066874]  0
[  281.068835]  ? should_fail+0x22d/0xd01
[  281.076127]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  281.079989] Node 0 
[  281.085538]  ? should_fail+0x22d/0xd01
[  281.085540] DMA: 1*4kB 
[  281.087771]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  281.091624] (U) 
[  281.094194]  ? mark_held_locks+0x130/0x130
[  281.099265] 0*8kB 
[  281.101226]  ? mark_held_locks+0x130/0x130
[  281.105433] 0*16kB 
[  281.107569]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.111773] 1*32kB 
[  281.113997]  ? trace_hardirqs_off+0xb8/0x310
[  281.119502] (U) 
[  281.121721]  ? kasan_check_read+0x11/0x20
[  281.126107] 2*64kB 
[  281.128067]  ? do_raw_spin_unlock+0xa7/0x2f0
[  281.132179] (U) 
[  281.134412]  ? trace_hardirqs_on+0x310/0x310
[  281.138786] 1*128kB 
[  281.140745]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.145112] (U) 1*256kB 
[  281.147437]  ? wq_watchdog_touch+0x9c/0xfe
[  281.152943] (U) 
[  281.155608]  ? io_serial_in+0x11/0x90
[  281.159811] 0*512kB 
[  281.161781]  ? retint_kernel+0x2d/0x2d
[  281.165548] 1*1024kB 
[  281.167858]  ? trace_hardirqs_on_caller+0xc0/0x310
[  281.171710] (U) 
[  281.174107]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  281.179008] 1*2048kB 
[  281.180973]  ? trace_hardirqs_off+0x310/0x310
[  281.185701] (M) 
[  281.188098]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  281.192563] 3*4096kB 
[  281.194528]  __alloc_pages_nodemask+0xa80/0xde0
[  281.199599] (M) 
[  281.201994]  ? should_fail+0x22d/0xd01
[  281.202010]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  281.206653] = 15908kB
[  281.208623]  ? ____cache_alloc_node+0x1c7/0x1e0
[  281.212470] Node 0 
[  281.217963]  ? lock_downgrade+0x900/0x900
[  281.220476] DMA32: 6*4kB (UME) 2*8kB (UE) 
[  281.226929]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.229138] 4*16kB 
[  281.233272]  cache_grow_begin+0x91/0x8c0
[  281.237479] (UME) 4*32kB (UME) 
[  281.243010]  ? do_raw_spin_unlock+0xa7/0x2f0
[  281.245219] 5*64kB 
[  281.249264]  fallback_alloc+0x203/0x2e0
[  281.252512] (ME) 
[  281.256904]  ____cache_alloc_node+0x1c7/0x1e0
[  281.259108] 5*128kB 
[  281.263065]  kmem_cache_alloc_node+0xe3/0x730
[  281.265095] (UME) 
[  281.269574]  ? ipv6_get_ifaddr+0x42e/0x620
[  281.271864] 4*256kB 
[  281.276346]  __alloc_skb+0x119/0x770
[  281.278462] (ME) 
[  281.282683]  ? skb_scrub_packet+0x490/0x490
[  281.284972] 5*512kB 
[  281.288687]  ? lock_downgrade+0x900/0x900
[  281.290717] (UME) 
[  281.295027]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.297328] 4*1024kB 
[  281.301456]  ? refcount_sub_and_test_checked+0x203/0x310
[  281.303574] (UME) 
[  281.309095]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  281.311481] 2*2048kB 
[  281.316917]  ? addrconf_rs_timer+0x690/0x690
[  281.319037] (ME) 
[  281.324478]  ndisc_alloc_skb+0x144/0x340
[  281.326852] 3*4096kB 
[  281.331245]  ndisc_send_rs+0x331/0x6e0
[  281.333278] (M) 
[  281.337323]  addrconf_rs_timer+0x314/0x690
[  281.339702] = 25256kB
[  281.343572]  ? lock_release+0x970/0x970
[  281.345517] Node 0 
[  281.349735]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.352114] Normal: 
[  281.356091]  call_timer_fn+0x272/0x920
[  281.358295] 1063*4kB 
[  281.362516]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.364810] (UMEH) 
[  281.368680]  ? process_timeout+0x40/0x40
[  281.371059] 420*8kB 
[  281.375274]  ? kasan_check_read+0x11/0x20
[  281.377477] (UME) 
[  281.381534]  ? do_raw_spin_unlock+0xa7/0x2f0
[  281.383830] 170*16kB 
[  281.387968]  ? trace_hardirqs_on+0x310/0x310
[  281.390089] (UMEH) 
[  281.394485]  ? __run_timers+0x7da/0xc70
[  281.396856] 65*32kB (UME) 
[  281.401255]  ? lock_downgrade+0x900/0x900
[  281.403463] 9*64kB 
[  281.407427]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  281.410242] (UM) 
[  281.414375]  ? trace_hardirqs_on+0xbd/0x310
[  281.416590] 0*128kB 
[  281.422623]  ? kasan_check_read+0x11/0x20
[  281.424659] 0*256kB 
[  281.428975]  ? __run_timers+0x7da/0xc70
[  281.431286] 0*512kB 
[  281.435422]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  281.437712] 1*1024kB 
[  281.441670]  ? kasan_check_write+0x14/0x20
[  281.443966] (H) 
[  281.449585]  ? do_raw_spin_lock+0xc1/0x200
[  281.451968] 0*2048kB 
[  281.456188]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.458129] 0*4096kB = 14012kB
[  281.462355]  __run_timers+0x7e5/0xc70
[  281.464741] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  281.470438]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  281.473601] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  281.477382]  ? compat_start_thread+0x80/0x80
[  281.486187] 4986 total pagecache pages
[  281.492501]  ? dequeue_entity+0x1770/0x1770
[  281.492517]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.501065] 0 pages in swap cache
[  281.505469]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.510095] Swap cache stats: add 0, delete 0, find 0/0
[  281.514399]  ? kasan_check_write+0x14/0x20
[  281.519905] Free swap  = 0kB
[  281.523344]  ? finish_task_switch+0x2f5/0x900
[  281.528849] Total swap = 0kB
[  281.534633]  ? __switch_to_asm+0x40/0x70
[  281.534649]  ? preempt_notifier_register+0x200/0x200
[  281.538995] 1965979 pages RAM
[  281.542344]  ? __switch_to_asm+0x34/0x70
[  281.546821] 0 pages HighMem/MovableOnly
[  281.549819]  ? __switch_to_asm+0x40/0x70
[  281.554944] 342307 pages reserved
[  281.560035]  ? __switch_to_asm+0x34/0x70
[  281.563129] 0 pages cma reserved
[  281.567173]  ? __switch_to_asm+0x40/0x70
[  281.571158] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  281.580471]  ? __switch_to_asm+0x34/0x70
[  281.580480]  ? __switch_to_asm+0x40/0x70
[  281.580498]  ? pvclock_read_flags+0x160/0x160
[  281.580514]  ? __schedule+0x874/0x1ed0
[  281.584002] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  281.588187]  ? run_rebalance_domains+0x38d/0x500
[  281.591619] syz-executor4 cpuset=
[  281.596803]  ? trace_hardirqs_on+0xbd/0x310
[  281.603260] syz4
[  281.607302]  ? kvm_sched_clock_read+0x9/0x20
[  281.607318]  ? run_ksoftirqd+0x94/0x100
[  281.611359]  mems_allowed=0
[  281.615837]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.662325]  ? check_preemption_disabled+0x48/0x200
[  281.667331]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.672867]  run_timer_softirq+0x52/0xb0
[  281.677402]  ? __this_cpu_preempt_check+0x1c/0x1f
[  281.682233]  __do_softirq+0x30b/0xad8
[  281.686029]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  281.691120]  ? trace_hardirqs_off+0xb8/0x310
[  281.695522]  ? schedule+0x108/0x460
[  281.699141]  ? __schedule+0x1ed0/0x1ed0
[  281.703106]  ? run_ksoftirqd+0x99/0x100
[  281.707069]  ? trace_hardirqs_off+0xb8/0x310
[  281.711468]  ? ___might_sleep+0x1ed/0x300
[  281.715603]  ? smpboot_thread_fn+0x68b/0xa00
[  281.720000]  ? trace_hardirqs_on+0x310/0x310
[  281.724399]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.729937]  ? check_preemption_disabled+0x48/0x200
[  281.734945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.740480]  ? takeover_tasklets+0xa90/0xa90
[  281.744883]  run_ksoftirqd+0x94/0x100
[  281.748686]  smpboot_thread_fn+0x68b/0xa00
[  281.752920]  ? sort_range+0x30/0x30
[  281.758469]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  281.764276]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.769804]  ? __kthread_parkme+0xfb/0x1a0
[  281.774268]  kthread+0x35a/0x420
[  281.777627]  ? sort_range+0x30/0x30
[  281.781242]  ? kthread_bind+0x40/0x40
[  281.785472]  ret_from_fork+0x3a/0x50
[  281.790451] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  281.790511] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  281.797738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  281.804277] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  281.813539] Call Trace:
[  281.823826] ksoftirqd/1 cpuset=
[  281.826387]  <IRQ>
[  281.826389] / mems_allowed=0
[  281.829661]  dump_stack+0x1c4/0x2b4
[  281.838386]  ? dump_stack_print_info.cold.2+0x52/0x52
[  281.843574]  warn_alloc.cold.119+0xb7/0x1bd
[  281.847889]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  281.852730]  ? lock_downgrade+0x900/0x900
[  281.856871]  ? trace_hardirqs_off+0xb8/0x310
[  281.861275]  ? trace_hardirqs_off+0xb8/0x310
[  281.865676]  __alloc_pages_slowpath+0x2667/0x2d80
[  281.870522]  ? warn_alloc+0x120/0x120
[  281.874318]  ? warn_alloc+0x120/0x120
[  281.878111]  ? warn_alloc+0x120/0x120
[  281.881909]  ? mark_held_locks+0x130/0x130
[  281.886139]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.891666]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.897198]  ? should_fail+0x22d/0xd01
[  281.901080]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  281.906176]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.911715]  ? should_fail+0x22d/0xd01
[  281.915597]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  281.920692]  ? should_fail+0x22d/0xd01
[  281.924578]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  281.929694]  ? mark_held_locks+0x130/0x130
[  281.933946]  ? mark_held_locks+0x130/0x130
[  281.938176]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.943707]  ? trace_hardirqs_off+0xb8/0x310
[  281.948107]  ? kasan_check_read+0x11/0x20
[  281.952262]  ? do_raw_spin_unlock+0xa7/0x2f0
[  281.956676]  ? trace_hardirqs_on+0x310/0x310
[  281.961072]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.966598]  ? wq_watchdog_touch+0x9c/0xfe
[  281.970821]  ? io_serial_in+0x11/0x90
[  281.974613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.980143]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  281.985241]  __alloc_pages_nodemask+0xa80/0xde0
[  281.989909]  ? should_fail+0x22d/0xd01
[  281.993795]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  281.998813]  ? ____cache_alloc_node+0x1c7/0x1e0
[  282.003470]  ? lock_downgrade+0x900/0x900
[  282.007612]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.013142]  cache_grow_begin+0x91/0x8c0
[  282.017210]  ? do_raw_spin_unlock+0xa7/0x2f0
[  282.021614]  fallback_alloc+0x203/0x2e0
[  282.025583]  ____cache_alloc_node+0x1c7/0x1e0
[  282.030071]  kmem_cache_alloc_node+0xe3/0x730
[  282.034559]  ? ipv6_get_ifaddr+0x42e/0x620
[  282.038790]  __alloc_skb+0x119/0x770
[  282.042495]  ? skb_scrub_packet+0x490/0x490
[  282.046809]  ? lock_downgrade+0x900/0x900
[  282.050954]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.056485]  ? refcount_sub_and_test_checked+0x203/0x310
[  282.061927]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  282.067368]  ? addrconf_rs_timer+0x690/0x690
[  282.071774]  ndisc_alloc_skb+0x144/0x340
[  282.075830]  ndisc_send_rs+0x331/0x6e0
[  282.079712]  addrconf_rs_timer+0x314/0x690
[  282.083939]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.088170]  call_timer_fn+0x272/0x920
[  282.092053]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.096282]  ? process_timeout+0x40/0x40
[  282.100331]  ? trace_hardirqs_off+0xb8/0x310
[  282.104727]  ? kasan_check_read+0x11/0x20
[  282.109351]  ? do_raw_spin_unlock+0xa7/0x2f0
[  282.113750]  ? trace_hardirqs_on+0x310/0x310
[  282.118149]  ? __run_timers+0x7da/0xc70
[  282.122117]  ? lock_downgrade+0x900/0x900
[  282.126259]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  282.131351]  ? trace_hardirqs_on+0xbd/0x310
[  282.135659]  ? kasan_check_read+0x11/0x20
[  282.139798]  ? __run_timers+0x7da/0xc70
[  282.143760]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  282.149202]  ? kasan_check_write+0x14/0x20
[  282.153424]  ? do_raw_spin_lock+0xc1/0x200
[  282.157653]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.161883]  __run_timers+0x7e5/0xc70
[  282.165689]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  282.171046]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  282.176054]  ? timerqueue_add+0x207/0x2b0
[  282.180193]  ? enqueue_hrtimer+0x1a5/0x560
[  282.184417]  ? lock_release+0x970/0x970
[  282.188637]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  282.193817]  ? kasan_check_write+0x14/0x20
[  282.198047]  ? pvclock_read_flags+0x160/0x160
[  282.202529]  ? lock_downgrade+0x900/0x900
[  282.206667]  ? trace_hardirqs_on+0xbd/0x310
[  282.210978]  ? kvm_sched_clock_read+0x9/0x20
[  282.215376]  ? irq_exit+0x17f/0x1c0
[  282.219016]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.224544]  ? check_preemption_disabled+0x48/0x200
[  282.229554]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.235082]  run_timer_softirq+0x52/0xb0
[  282.239265]  ? __this_cpu_preempt_check+0x1c/0x1f
[  282.244100]  __do_softirq+0x30b/0xad8
[  282.247912]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  282.253009]  ? pvclock_read_flags+0x160/0x160
[  282.257496]  ? lapic_next_event+0x5a/0x90
[  282.261636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.267164]  ? clockevents_program_event+0x140/0x370
[  282.272270]  ? kvm_clock_read+0x18/0x30
[  282.276645]  ? kvm_sched_clock_read+0x9/0x20
[  282.281047]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.286580]  ? check_preemption_disabled+0x48/0x200
[  282.291592]  irq_exit+0x17f/0x1c0
[  282.295042]  smp_apic_timer_interrupt+0x1cb/0x760
[  282.299882]  ? smp_reschedule_interrupt+0x109/0x650
[  282.304901]  ? smp_call_function_single_interrupt+0x650/0x650
[  282.310774]  ? interrupt_entry+0xb5/0xf0
[  282.314825]  ? trace_hardirqs_off_caller+0xbb/0x310
[  282.319828]  ? trace_hardirqs_off_caller+0xbb/0x310
[  282.324847]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  282.329683]  ? trace_hardirqs_on_caller+0x310/0x310
[  282.334689]  ? trace_hardirqs_on_caller+0x310/0x310
[  282.339695]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.345222]  ? check_preemption_disabled+0x48/0x200
[  282.350231]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  282.355070]  apic_timer_interrupt+0xf/0x20
[  282.359286]  </IRQ>
[  282.361518] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  282.366437] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  282.385324] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  282.393065] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  282.400334] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  282.407596] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  282.414866] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  282.422130] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  282.429407]  ? trace_hardirqs_on+0xb4/0x310
[  282.433729]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.439261]  skb_clone+0x1bb/0x500
[  282.442792]  ? finish_task_switch+0x2f5/0x900
[  282.447276]  ? skb_split+0x11e0/0x11e0
[  282.452202]  ? preempt_notifier_register+0x200/0x200
[  282.457296]  ? __switch_to_asm+0x34/0x70
[  282.461343]  ? __switch_to_asm+0x34/0x70
[  282.466270]  ? __switch_to_asm+0x40/0x70
[  282.470315]  ? __switch_to_asm+0x34/0x70
[  282.474370]  ? __switch_to_asm+0x40/0x70
[  282.478421]  ? __switch_to_asm+0x34/0x70
[  282.482470]  ? __switch_to_asm+0x40/0x70
[  282.488019]  ? __switch_to_asm+0x34/0x70
[  282.492071]  ? __switch_to_asm+0x34/0x70
[  282.496122]  ? __switch_to_asm+0x40/0x70
[  282.500173]  ? __switch_to_asm+0x34/0x70
[  282.504523]  bpf_clone_redirect+0xb9/0x490
[  282.508745]  ? __schedule+0x874/0x1ed0
[  282.512623]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  282.517547]  ? __sched_text_start+0x8/0x8
[  282.521689]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  282.526437]  ? retint_kernel+0x2d/0x2d
[  282.530320]  ? lock_acquire+0x1ed/0x520
[  282.534282]  ? bpf_test_run+0x32e/0x5a0
[  282.538248]  ? lock_release+0x970/0x970
[  282.542216]  ? preempt_schedule+0x4d/0x60
[  282.546359]  ? preempt_schedule_common+0x1f/0xd0
[  282.551105]  ? preempt_schedule+0x4d/0x60
[  282.555241]  ? ___preempt_schedule+0x16/0x18
[  282.559646]  ? bpf_test_run+0x1c0/0x5a0
[  282.563613]  ? netlink_diag_dump+0x2a0/0x2a0
[  282.568013]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  282.573540]  ? bpf_test_init.isra.9+0x70/0x100
[  282.578111]  ? bpf_prog_test_run_skb+0x634/0xb40
[  282.582863]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  282.587701]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  282.593228]  ? fput+0x130/0x1a0
[  282.596498]  ? __bpf_prog_get+0x9b/0x290
[  282.600551]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  282.605384]  ? bpf_prog_test_run+0x130/0x1a0
[  282.609782]  ? __x64_sys_bpf+0x3d8/0x510
[  282.613857]  ? bpf_prog_get+0x20/0x20
[  282.617714]  ? do_syscall_64+0x1b9/0x820
[  282.621764]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  282.627119]  ? syscall_return_slowpath+0x5e0/0x5e0
[  282.632042]  ? trace_hardirqs_on_caller+0x310/0x310
[  282.637052]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  282.642074]  ? recalc_sigpending_tsk+0x180/0x180
[  282.646842]  ? kasan_check_write+0x14/0x20
[  282.651150]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  282.655985]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  282.661343] warn_alloc_show_mem: 1 callbacks suppressed
[  282.661353] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  282.661354] Mem-Info:
[  282.661386] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  282.661386]  active_file:16 inactive_file:17 isolated_file:0
[  282.661386]  unevictable:0 dirty:0 writeback:0 unstable:0
[  282.661386]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  282.661386]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  282.661386]  free:13792 free_pcp:309 free_cma:0
[  282.666718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  282.673563] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  282.675948] Call Trace:
[  282.708979] Node 0 
[  282.718416]  dump_stack+0x1c4/0x2b4
[  282.746251] 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
[  282.748807]  ? dump_stack_print_info.cold.2+0x52/0x52
[  282.751011] lowmem_reserve[]:
[  282.754637]  ? isolate_lru_page+0x22e0/0x22e0
[  282.780108]  0
[  282.785299]  warn_alloc.cold.119+0xb7/0x1bd
[  282.788369]  2819
[  282.793072]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  282.794711]  6323
[  282.799017]  ? lock_downgrade+0x900/0x900
[  282.801049]  6323
[  282.805876]  ? trace_hardirqs_off+0xb8/0x310
[  282.807930] Node 0 DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  282.807951] lowmem_reserve[]: 0 0 3503 3503
[  282.807962] Node 0 Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  282.807982] lowmem_reserve[]: 0 0 0 0
[  282.807993] 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
[  282.808041] Node 0 DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB
[  282.808094] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB
[  282.808144] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  282.808150] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  282.808153] 4986 total pagecache pages
[  282.808157] 0 pages in swap cache
[  282.808162] Swap cache stats: add 0, delete 0, find 0/0
[  282.808164] Free swap  = 0kB
[  282.808167] Total swap = 0kB
[  282.808170] 1965979 pages RAM
[  282.808172] 0 pages HighMem/MovableOnly
[  282.808175] 342307 pages reserved
[  282.808177] 0 pages cma reserved
[  282.808221] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  282.808259] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  282.808263] syz-executor4 cpuset=syz4 mems_allowed=0
[  283.004109]  ? trace_hardirqs_off+0xb8/0x310
[  283.008513]  __alloc_pages_slowpath+0x2667/0x2d80
[  283.013360]  ? mark_held_locks+0x130/0x130
[  283.017589]  ? warn_alloc+0x120/0x120
[  283.021383]  ? warn_alloc+0x120/0x120
[  283.025175]  ? warn_alloc+0x120/0x120
[  283.031110]  ? mark_held_locks+0x130/0x130
[  283.035345]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.040878]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.048246]  ? should_fail+0x22d/0xd01
[  283.052491]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  283.058058]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.063597]  ? should_fail+0x22d/0xd01
[  283.067681]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  283.072776]  ? should_fail+0x22d/0xd01
[  283.076666]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  283.081763]  ? mark_held_locks+0x130/0x130
[  283.085991]  ? mark_held_locks+0x130/0x130
[  283.090217]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.095746]  ? trace_hardirqs_off+0xb8/0x310
[  283.100594]  ? kasan_check_read+0x11/0x20
[  283.104735]  ? do_raw_spin_unlock+0xa7/0x2f0
[  283.109638]  ? trace_hardirqs_on+0x310/0x310
[  283.114039]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.119569]  ? wq_watchdog_touch+0x9c/0xfe
[  283.123804]  ? io_serial_in+0x11/0x90
[  283.128061]  ? retint_kernel+0x2d/0x2d
[  283.131938]  ? trace_hardirqs_on_caller+0xc0/0x310
[  283.136860]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  283.141692]  ? trace_hardirqs_off+0x310/0x310
[  283.146176]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  283.151277]  __alloc_pages_nodemask+0xa80/0xde0
[  283.155935]  ? should_fail+0x22d/0xd01
[  283.159831]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  283.164854]  ? ____cache_alloc_node+0x1c7/0x1e0
[  283.169513]  ? lock_downgrade+0x900/0x900
[  283.173655]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.179190]  cache_grow_begin+0x91/0x8c0
[  283.183239]  ? do_raw_spin_unlock+0xa7/0x2f0
[  283.187642]  fallback_alloc+0x203/0x2e0
[  283.191608]  ____cache_alloc_node+0x1c7/0x1e0
[  283.196095]  kmem_cache_alloc_node+0xe3/0x730
[  283.201068]  ? ipv6_get_ifaddr+0x42e/0x620
[  283.205296]  __alloc_skb+0x119/0x770
[  283.209005]  ? skb_scrub_packet+0x490/0x490
[  283.213324]  ? lock_downgrade+0x900/0x900
[  283.217464]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.222995]  ? refcount_sub_and_test_checked+0x203/0x310
[  283.228439]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  283.233879]  ? addrconf_rs_timer+0x690/0x690
[  283.238284]  ndisc_alloc_skb+0x144/0x340
[  283.242343]  ndisc_send_rs+0x331/0x6e0
[  283.246224]  addrconf_rs_timer+0x314/0x690
[  283.250448]  ? lock_release+0x970/0x970
[  283.254413]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.258645]  call_timer_fn+0x272/0x920
[  283.263002]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.267227]  ? process_timeout+0x40/0x40
[  283.271275]  ? kasan_check_read+0x11/0x20
[  283.275416]  ? do_raw_spin_unlock+0xa7/0x2f0
[  283.279814]  ? trace_hardirqs_on+0x310/0x310
[  283.284217]  ? __run_timers+0x7da/0xc70
[  283.288195]  ? lock_downgrade+0x900/0x900
[  283.292338]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  283.297432]  ? trace_hardirqs_on+0xbd/0x310
[  283.301740]  ? kasan_check_read+0x11/0x20
[  283.306399]  ? __run_timers+0x7da/0xc70
[  283.310373]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  283.315825]  ? kasan_check_write+0x14/0x20
[  283.322216]  ? do_raw_spin_lock+0xc1/0x200
[  283.326567]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.330799]  __run_timers+0x7e5/0xc70
[  283.334602]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  283.339960]  ? compat_start_thread+0x80/0x80
[  283.344357]  ? dequeue_entity+0x1770/0x1770
[  283.348672]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.354201]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.359732]  ? kasan_check_write+0x14/0x20
[  283.363961]  ? finish_task_switch+0x2f5/0x900
[  283.368446]  ? __switch_to_asm+0x40/0x70
[  283.372501]  ? preempt_notifier_register+0x200/0x200
[  283.377591]  ? __switch_to_asm+0x34/0x70
[  283.381748]  ? __switch_to_asm+0x40/0x70
[  283.385803]  ? __switch_to_asm+0x34/0x70
[  283.389861]  ? __switch_to_asm+0x40/0x70
[  283.393913]  ? __switch_to_asm+0x34/0x70
[  283.397963]  ? __switch_to_asm+0x40/0x70
[  283.402021]  ? pvclock_read_flags+0x160/0x160
[  283.406509]  ? __schedule+0x874/0x1ed0
[  283.410386]  ? run_rebalance_domains+0x38d/0x500
[  283.415499]  ? trace_hardirqs_on+0xbd/0x310
[  283.422446]  ? kvm_sched_clock_read+0x9/0x20
[  283.426850]  ? run_ksoftirqd+0x94/0x100
[  283.430818]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.436354]  ? check_preemption_disabled+0x48/0x200
[  283.441364]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.446909]  run_timer_softirq+0x52/0xb0
[  283.451631]  ? __this_cpu_preempt_check+0x1c/0x1f
[  283.456476]  __do_softirq+0x30b/0xad8
[  283.460276]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  283.469051]  ? trace_hardirqs_off+0xb8/0x310
[  283.473694]  ? schedule+0x108/0x460
[  283.477321]  ? __schedule+0x1ed0/0x1ed0
[  283.481286]  ? run_ksoftirqd+0x99/0x100
[  283.485260]  ? trace_hardirqs_off+0xb8/0x310
[  283.489671]  ? ___might_sleep+0x1ed/0x300
[  283.493813]  ? smpboot_thread_fn+0x68b/0xa00
[  283.498209]  ? trace_hardirqs_on+0x310/0x310
[  283.502767]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.508300]  ? check_preemption_disabled+0x48/0x200
[  283.513313]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.518841]  ? takeover_tasklets+0xa90/0xa90
[  283.523255]  run_ksoftirqd+0x94/0x100
[  283.527045]  smpboot_thread_fn+0x68b/0xa00
[  283.531273]  ? sort_range+0x30/0x30
[  283.534895]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  283.539992]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.545533]  ? __kthread_parkme+0xfb/0x1a0
[  283.549768]  kthread+0x35a/0x420
[  283.553123]  ? sort_range+0x30/0x30
[  283.556738]  ? kthread_bind+0x40/0x40
[  283.560533]  ret_from_fork+0x3a/0x50
[  283.564252] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  283.564308] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  283.571521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  283.571525] Call Trace:
[  283.571530]  <IRQ>
[  283.571545]  dump_stack+0x1c4/0x2b4
[  283.571562]  ? dump_stack_print_info.cold.2+0x52/0x52
[  283.578083] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  283.587386]  warn_alloc.cold.119+0xb7/0x1bd
[  283.590408] ksoftirqd/1 cpuset=
[  283.592547]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  283.596142] /
[  283.601318]  ? lock_downgrade+0x900/0x900
[  283.611614]  mems_allowed=0
[  283.615925]  ? trace_hardirqs_off+0xb8/0x310
[  283.637122]  ? trace_hardirqs_off+0xb8/0x310
[  283.641527]  __alloc_pages_slowpath+0x2667/0x2d80
[  283.646377]  ? warn_alloc+0x120/0x120
[  283.650176]  ? warn_alloc+0x120/0x120
[  283.653971]  ? warn_alloc+0x120/0x120
[  283.657767]  ? lock_release+0x970/0x970
[  283.661736]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  283.666923]  ? trace_hardirqs_on+0x310/0x310
[  283.671340]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.676870]  ? should_fail+0x22d/0xd01
[  283.680762]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  283.685871]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.691403]  ? should_fail+0x22d/0xd01
[  283.695282]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  283.700375]  ? should_fail+0x22d/0xd01
[  283.704255]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  283.709355]  ? mark_held_locks+0x130/0x130
[  283.713668]  ? mark_held_locks+0x130/0x130
[  283.717896]  ? kvm_clock_read+0x18/0x30
[  283.721864]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  283.726868]  ? ktime_get+0x2e1/0x440
[  283.730576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.736104]  ? check_preemption_disabled+0x48/0x200
[  283.741114]  ? kasan_check_read+0x11/0x20
[  283.745255]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  283.750524]  ? rcu_bh_qs+0xc0/0xc0
[  283.754056]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.759588]  ? check_preemption_disabled+0x48/0x200
[  283.764593]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  283.769598]  ? widen_string+0xe0/0x2e0
[  283.773479]  __alloc_pages_nodemask+0xa80/0xde0
[  283.778138]  ? should_fail+0x22d/0xd01
[  283.782019]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  283.787039]  ? ____cache_alloc_node+0x1c7/0x1e0
[  283.791700]  ? lock_downgrade+0x900/0x900
[  283.795855]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.801383]  cache_grow_begin+0x91/0x8c0
[  283.805437]  ? do_raw_spin_unlock+0xa7/0x2f0
[  283.809842]  fallback_alloc+0x203/0x2e0
[  283.813811]  ____cache_alloc_node+0x1c7/0x1e0
[  283.818303]  kmem_cache_alloc_node+0xe3/0x730
[  283.822797]  ? ipv6_get_ifaddr+0x42e/0x620
[  283.827047]  __alloc_skb+0x119/0x770
[  283.830843]  ? skb_scrub_packet+0x490/0x490
[  283.835149]  ? lock_downgrade+0x900/0x900
[  283.839307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.844844]  ? refcount_sub_and_test_checked+0x203/0x310
[  283.850288]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  283.855744]  ? addrconf_rs_timer+0x690/0x690
[  283.860152]  ndisc_alloc_skb+0x144/0x340
[  283.864209]  ndisc_send_rs+0x331/0x6e0
[  283.868093]  addrconf_rs_timer+0x314/0x690
[  283.872323]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.876551]  call_timer_fn+0x272/0x920
[  283.880431]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.884659]  ? process_timeout+0x40/0x40
[  283.888709]  ? trace_hardirqs_off+0xb8/0x310
[  283.893111]  ? kasan_check_read+0x11/0x20
[  283.897253]  ? do_raw_spin_unlock+0xa7/0x2f0
[  283.901652]  ? trace_hardirqs_on+0x310/0x310
[  283.906052]  ? __run_timers+0x7da/0xc70
[  283.910017]  ? lock_downgrade+0x900/0x900
[  283.914155]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  283.919247]  ? trace_hardirqs_on+0xbd/0x310
[  283.923558]  ? kasan_check_read+0x11/0x20
[  283.927694]  ? __run_timers+0x7da/0xc70
[  283.931658]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  283.937100]  ? kasan_check_write+0x14/0x20
[  283.941331]  ? do_raw_spin_lock+0xc1/0x200
[  283.945562]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.949788]  __run_timers+0x7e5/0xc70
[  283.953589]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  283.958965]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  283.963972]  ? timerqueue_add+0x207/0x2b0
[  283.968117]  ? enqueue_hrtimer+0x1a5/0x560
[  283.972342]  ? lock_release+0x970/0x970
[  283.976306]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  283.981488]  ? kasan_check_write+0x14/0x20
[  283.985739]  ? pvclock_read_flags+0x160/0x160
[  283.990231]  ? lock_downgrade+0x900/0x900
[  283.994374]  ? trace_hardirqs_on+0xbd/0x310
[  283.998704]  ? kvm_sched_clock_read+0x9/0x20
[  284.003116]  ? irq_exit+0x17f/0x1c0
[  284.006764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.012295]  ? check_preemption_disabled+0x48/0x200
[  284.017302]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.022836]  run_timer_softirq+0x52/0xb0
[  284.026894]  ? __this_cpu_preempt_check+0x1c/0x1f
[  284.031737]  __do_softirq+0x30b/0xad8
[  284.035539]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  284.040636]  ? pvclock_read_flags+0x160/0x160
[  284.045122]  ? lapic_next_event+0x5a/0x90
[  284.049260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.054787]  ? clockevents_program_event+0x140/0x370
[  284.059884]  ? kvm_clock_read+0x18/0x30
[  284.063848]  ? kvm_sched_clock_read+0x9/0x20
[  284.068334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.073866]  ? check_preemption_disabled+0x48/0x200
[  284.078880]  irq_exit+0x17f/0x1c0
[  284.082327]  smp_apic_timer_interrupt+0x1cb/0x760
[  284.087155]  ? smp_reschedule_interrupt+0x109/0x650
[  284.092157]  ? smp_call_function_single_interrupt+0x650/0x650
[  284.098033]  ? interrupt_entry+0xb5/0xf0
[  284.102088]  ? trace_hardirqs_off_caller+0xbb/0x310
[  284.107095]  ? trace_hardirqs_off_caller+0xbb/0x310
[  284.112568]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.117404]  ? trace_hardirqs_on_caller+0x310/0x310
[  284.122412]  ? trace_hardirqs_on_caller+0x310/0x310
[  284.127418]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.132948]  ? check_preemption_disabled+0x48/0x200
[  284.137957]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.142794]  apic_timer_interrupt+0xf/0x20
[  284.147017]  </IRQ>
[  284.149250] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  284.154170] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  284.173061] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  284.180764] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  284.188021] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  284.195302] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  284.202558] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  284.209815] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  284.217084]  ? trace_hardirqs_on+0xb4/0x310
[  284.221399]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.226947]  skb_clone+0x1bb/0x500
[  284.230478]  ? finish_task_switch+0x2f5/0x900
[  284.234965]  ? skb_split+0x11e0/0x11e0
[  284.238841]  ? preempt_notifier_register+0x200/0x200
[  284.243933]  ? __switch_to_asm+0x34/0x70
[  284.248097]  ? __switch_to_asm+0x34/0x70
[  284.252158]  ? __switch_to_asm+0x40/0x70
[  284.256210]  ? __switch_to_asm+0x34/0x70
[  284.260270]  ? __switch_to_asm+0x40/0x70
[  284.264316]  ? __switch_to_asm+0x34/0x70
[  284.268363]  ? __switch_to_asm+0x40/0x70
[  284.272415]  ? __switch_to_asm+0x34/0x70
[  284.276950]  ? __switch_to_asm+0x34/0x70
[  284.281001]  ? __switch_to_asm+0x40/0x70
[  284.285189]  ? __switch_to_asm+0x34/0x70
[  284.289258]  bpf_clone_redirect+0xb9/0x490
[  284.293486]  ? __schedule+0x874/0x1ed0
[  284.297364]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  284.302285]  ? __sched_text_start+0x8/0x8
[  284.306428]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  284.311178]  ? retint_kernel+0x2d/0x2d
[  284.315058]  ? lock_acquire+0x1ed/0x520
[  284.319022]  ? bpf_test_run+0x32e/0x5a0
[  284.322990]  ? lock_release+0x970/0x970
[  284.326958]  ? preempt_schedule+0x4d/0x60
[  284.331101]  ? preempt_schedule_common+0x1f/0xd0
[  284.335848]  ? preempt_schedule+0x4d/0x60
[  284.339989]  ? ___preempt_schedule+0x16/0x18
[  284.344389]  ? bpf_test_run+0x1c0/0x5a0
[  284.348356]  ? netlink_diag_dump+0x2a0/0x2a0
[  284.352754]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  284.358279]  ? bpf_test_init.isra.9+0x70/0x100
[  284.362856]  ? bpf_prog_test_run_skb+0x634/0xb40
[  284.367605]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  284.372441]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  284.377968]  ? fput+0x130/0x1a0
[  284.381239]  ? __bpf_prog_get+0x9b/0x290
[  284.385291]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  284.390121]  ? bpf_prog_test_run+0x130/0x1a0
[  284.394521]  ? __x64_sys_bpf+0x3d8/0x510
[  284.398570]  ? bpf_prog_get+0x20/0x20
[  284.402369]  ? do_syscall_64+0x1b9/0x820
[  284.406418]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  284.411773]  ? syscall_return_slowpath+0x5e0/0x5e0
[  284.416699]  ? trace_hardirqs_on_caller+0x310/0x310
[  284.421721]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  284.426729]  ? recalc_sigpending_tsk+0x180/0x180
[  284.431474]  ? kasan_check_write+0x14/0x20
[  284.435707]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.440545]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  284.445903] warn_alloc_show_mem: 1 callbacks suppressed
[  284.445913] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  284.445914] Mem-Info:
[  284.445943] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  284.445943]  active_file:16 inactive_file:17 isolated_file:0
[  284.445943]  unevictable:0 dirty:0 writeback:0 unstable:0
[  284.445943]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  284.445943]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  284.445943]  free:13792 free_pcp:309 free_cma:0
[  284.451773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  284.451781] Call Trace:
[  284.458620] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  284.461020]  dump_stack+0x1c4/0x2b4
[  284.496124] Node 0 
[  284.505490]  ? dump_stack_print_info.cold.2+0x52/0x52
[  284.508058] 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
[  284.536371]  ? isolate_lru_page+0x22e0/0x22e0
[  284.539966] lowmem_reserve[]:
[  284.542194]  warn_alloc.cold.119+0xb7/0x1bd
[  284.547349]  0
[  284.572833]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  284.577296]  2819
[  284.580388]  ? lock_downgrade+0x900/0x900
[  284.584694]  6323
[  284.586484]  ? trace_hardirqs_off+0xb8/0x310
[  284.591287]  6323
[  284.593341]  ? trace_hardirqs_off+0xb8/0x310
[  284.597454] Node 0 
[  284.599501]  __alloc_pages_slowpath+0x2667/0x2d80
[  284.603897] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  284.605931]  ? mark_held_locks+0x130/0x130
[  284.610295] lowmem_reserve[]: 0
[  284.612981]  ? warn_alloc+0x120/0x120
[  284.617791]  0
[  284.644756]  ? warn_alloc+0x120/0x120
[  284.648959]  3503
[  284.652223]  ? warn_alloc+0x120/0x120
[  284.655994]  3503
[  284.657783]  ? mark_held_locks+0x130/0x130
[  284.663728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.667505] Node 0 
[  284.669554]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  284.673781] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  284.679306]  ? should_fail+0x22d/0xd01
[  284.681507] lowmem_reserve[]: 0
[  284.687037]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  284.715371]  0
[  284.719244]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  284.722497]  0
[  284.727593]  ? should_fail+0x22d/0xd01
[  284.729379]  0
[  284.734903]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  284.740553]  ? should_fail+0x22d/0xd01
[  284.742329] Node 0 
[  284.747606]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  284.751486] DMA: 
[  284.753713]  ? mark_held_locks+0x130/0x130
[  284.758780] 1*4kB 
[  284.760826]  ? mark_held_locks+0x130/0x130
[  284.765026] (U) 
[  284.767164]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.771363] 0*8kB 
[  284.773325]  ? trace_hardirqs_off+0xb8/0x310
[  284.778840] 0*16kB 
[  284.780971]  ? kasan_check_read+0x11/0x20
[  284.785349] 1*32kB 
[  284.787571]  ? do_raw_spin_unlock+0xa7/0x2f0
[  284.791690] (U) 
[  284.793911]  ? trace_hardirqs_on+0x310/0x310
[  284.798285] 2*64kB 
[  284.800243]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.804615] (U) 
[  284.806834]  ? wq_watchdog_touch+0x9c/0xfe
[  284.812334] 1*128kB (U) 
[  284.814300]  ? io_serial_in+0x11/0x90
[  284.818500] 1*256kB 
[  284.821157]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.824925] (U) 
[  284.827236]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  284.832735] 0*512kB 1*1024kB 
[  284.834710]  __alloc_pages_nodemask+0xa80/0xde0
[  284.839774] (U) 1*2048kB 
[  284.842873]  ? should_fail+0x22d/0xd01
[  284.847507] (M) 
[  284.850251]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  284.854101] 3*4096kB (M) = 15908kB
[  284.854109] Node 0 DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB
[  284.854163] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 
[  284.856168]  ? ____cache_alloc_node+0x1c7/0x1e0
[  284.861140] 9*64kB (UM) 
[  284.864675]  ? lock_downgrade+0x900/0x900
[  284.880772] 0*128kB 
[  284.888901]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.893535] 0*256kB 
[  284.896195]  cache_grow_begin+0x91/0x8c0
[  284.900315] 0*512kB 
[  284.902624]  ? do_raw_spin_unlock+0xa7/0x2f0
[  284.908128] 1*1024kB (H) 
[  284.910446]  fallback_alloc+0x203/0x2e0
[  284.914474] 0*2048kB 
[  284.917213]  ____cache_alloc_node+0x1c7/0x1e0
[  284.921592] 0*4096kB 
[  284.924340]  kmem_cache_alloc_node+0xe3/0x730
[  284.928287] = 14012kB
[  284.930685]  ? ipv6_get_ifaddr+0x42e/0x620
[  284.935185] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  284.937575]  __alloc_skb+0x119/0x770
[  284.942040] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  284.944430]  ? skb_scrub_packet+0x490/0x490
[  284.948633] 4986 total pagecache pages
[  284.957458]  ? lock_downgrade+0x900/0x900
[  284.961140] 0 pages in swap cache
[  284.969701]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.973988] Swap cache stats: add 0, delete 0, find 0/0
[  284.973995] Free swap  = 0kB
[  284.977869]  ? refcount_sub_and_test_checked+0x203/0x310
[  284.981978] Total swap = 0kB
[  284.981985] 1965979 pages RAM
[  284.985437]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  284.990945] 0 pages HighMem/MovableOnly
[  284.996293]  ? addrconf_rs_timer+0x690/0x690
[  284.999279] 342307 pages reserved
[  285.004714]  ndisc_alloc_skb+0x144/0x340
[  285.007791] 0 pages cma reserved
[  285.007851] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  285.007899] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  285.007902] syz-executor4 cpuset=syz4 mems_allowed=0
[  285.060793]  ndisc_send_rs+0x331/0x6e0
[  285.064680]  addrconf_rs_timer+0x314/0x690
[  285.068909]  ? lock_release+0x970/0x970
[  285.072877]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.077108]  call_timer_fn+0x272/0x920
[  285.080984]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.085215]  ? process_timeout+0x40/0x40
[  285.089264]  ? kasan_check_read+0x11/0x20
[  285.093401]  ? do_raw_spin_unlock+0xa7/0x2f0
[  285.097801]  ? trace_hardirqs_on+0x310/0x310
[  285.102201]  ? __run_timers+0x7da/0xc70
[  285.106167]  ? lock_downgrade+0x900/0x900
[  285.110818]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  285.118156]  ? trace_hardirqs_on+0xbd/0x310
[  285.122491]  ? kasan_check_read+0x11/0x20
[  285.126639]  ? __run_timers+0x7da/0xc70
[  285.130608]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  285.136053]  ? kasan_check_write+0x14/0x20
[  285.140275]  ? do_raw_spin_lock+0xc1/0x200
[  285.144503]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.149194]  __run_timers+0x7e5/0xc70
[  285.152993]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  285.158836]  ? compat_start_thread+0x80/0x80
[  285.163236]  ? dequeue_entity+0x1770/0x1770
[  285.167550]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.173547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.179079]  ? kasan_check_write+0x14/0x20
[  285.183309]  ? finish_task_switch+0x2f5/0x900
[  285.187831]  ? __switch_to_asm+0x40/0x70
[  285.191908]  ? preempt_notifier_register+0x200/0x200
[  285.197000]  ? __switch_to_asm+0x34/0x70
[  285.201063]  ? __switch_to_asm+0x40/0x70
[  285.205111]  ? __switch_to_asm+0x34/0x70
[  285.209200]  ? __switch_to_asm+0x40/0x70
[  285.213291]  ? __switch_to_asm+0x34/0x70
[  285.217340]  ? __switch_to_asm+0x40/0x70
[  285.221400]  ? pvclock_read_flags+0x160/0x160
[  285.225886]  ? __schedule+0x874/0x1ed0
[  285.229762]  ? run_rebalance_domains+0x38d/0x500
[  285.234511]  ? trace_hardirqs_on+0xbd/0x310
[  285.238823]  ? kvm_sched_clock_read+0x9/0x20
[  285.243227]  ? run_ksoftirqd+0x94/0x100
[  285.247672]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.253208]  ? check_preemption_disabled+0x48/0x200
[  285.258215]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.263750]  run_timer_softirq+0x52/0xb0
[  285.267891]  ? __this_cpu_preempt_check+0x1c/0x1f
[  285.272728]  __do_softirq+0x30b/0xad8
[  285.276531]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  285.281634]  ? trace_hardirqs_off+0xb8/0x310
[  285.286040]  ? schedule+0x108/0x460
[  285.289664]  ? __schedule+0x1ed0/0x1ed0
[  285.293637]  ? run_ksoftirqd+0x99/0x100
[  285.297618]  ? trace_hardirqs_off+0xb8/0x310
[  285.302017]  ? ___might_sleep+0x1ed/0x300
[  285.306593]  ? smpboot_thread_fn+0x68b/0xa00
[  285.311000]  ? trace_hardirqs_on+0x310/0x310
[  285.317441]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.323343]  ? check_preemption_disabled+0x48/0x200
[  285.328849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.334692]  ? takeover_tasklets+0xa90/0xa90
[  285.339091]  run_ksoftirqd+0x94/0x100
[  285.342885]  smpboot_thread_fn+0x68b/0xa00
[  285.347110]  ? sort_range+0x30/0x30
[  285.351188]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  285.356281]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.361812]  ? __kthread_parkme+0xfb/0x1a0
[  285.366039]  kthread+0x35a/0x420
[  285.369395]  ? sort_range+0x30/0x30
[  285.373015]  ? kthread_bind+0x40/0x40
[  285.376804]  ret_from_fork+0x3a/0x50
[  285.380517] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  285.380580] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  285.387787] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  285.394319] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  285.403585] Call Trace:
[  285.413877] ksoftirqd/1 cpuset=
[  285.416436]  <IRQ>
[  285.416438] / mems_allowed=0
[  285.419710]  dump_stack+0x1c4/0x2b4
[  285.428437]  ? dump_stack_print_info.cold.2+0x52/0x52
[  285.433632]  warn_alloc.cold.119+0xb7/0x1bd
[  285.437946]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  285.442781]  ? lock_downgrade+0x900/0x900
[  285.446922]  ? trace_hardirqs_off+0xb8/0x310
[  285.451502]  ? trace_hardirqs_off+0xb8/0x310
[  285.455905]  __alloc_pages_slowpath+0x2667/0x2d80
[  285.460753]  ? warn_alloc+0x120/0x120
[  285.464545]  ? warn_alloc+0x120/0x120
[  285.471127]  ? warn_alloc+0x120/0x120
[  285.474968]  ? lock_release+0x970/0x970
[  285.478931]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  285.484113]  ? trace_hardirqs_on+0x310/0x310
[  285.488513]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.494046]  ? should_fail+0x22d/0xd01
[  285.497933]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  285.503026]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.508552]  ? should_fail+0x22d/0xd01
[  285.512431]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  285.517522]  ? should_fail+0x22d/0xd01
[  285.521404]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  285.526497]  ? mark_held_locks+0x130/0x130
[  285.530809]  ? mark_held_locks+0x130/0x130
[  285.535060]  ? kvm_clock_read+0x18/0x30
[  285.539028]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  285.544034]  ? ktime_get+0x2e1/0x440
[  285.547734]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.553257]  ? check_preemption_disabled+0x48/0x200
[  285.558263]  ? kasan_check_read+0x11/0x20
[  285.562401]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  285.567670]  ? rcu_bh_qs+0xc0/0xc0
[  285.571206]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.576737]  ? check_preemption_disabled+0x48/0x200
[  285.581747]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  285.586751]  ? widen_string+0xe0/0x2e0
[  285.590640]  __alloc_pages_nodemask+0xa80/0xde0
[  285.595301]  ? should_fail+0x22d/0xd01
[  285.599187]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  285.604293]  ? ____cache_alloc_node+0x1c7/0x1e0
[  285.608954]  ? lock_downgrade+0x900/0x900
[  285.613099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.618635]  cache_grow_begin+0x91/0x8c0
[  285.622696]  ? do_raw_spin_unlock+0xa7/0x2f0
[  285.627096]  fallback_alloc+0x203/0x2e0
[  285.631065]  ____cache_alloc_node+0x1c7/0x1e0
[  285.635552]  kmem_cache_alloc_node+0xe3/0x730
[  285.640043]  ? ipv6_get_ifaddr+0x42e/0x620
[  285.644276]  __alloc_skb+0x119/0x770
[  285.647981]  ? skb_scrub_packet+0x490/0x490
[  285.652312]  ? lock_downgrade+0x900/0x900
[  285.656454]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.662002]  ? refcount_sub_and_test_checked+0x203/0x310
[  285.667444]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  285.672884]  ? addrconf_rs_timer+0x690/0x690
[  285.677290]  ndisc_alloc_skb+0x144/0x340
[  285.681376]  ndisc_send_rs+0x331/0x6e0
[  285.685261]  addrconf_rs_timer+0x314/0x690
[  285.689492]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.693721]  call_timer_fn+0x272/0x920
[  285.697610]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.701837]  ? process_timeout+0x40/0x40
[  285.705888]  ? trace_hardirqs_off+0xb8/0x310
[  285.710285]  ? kasan_check_read+0x11/0x20
[  285.714423]  ? do_raw_spin_unlock+0xa7/0x2f0
[  285.718820]  ? trace_hardirqs_on+0x310/0x310
[  285.723221]  ? __run_timers+0x7da/0xc70
[  285.727185]  ? lock_downgrade+0x900/0x900
[  285.731328]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  285.736437]  ? trace_hardirqs_on+0xbd/0x310
[  285.740746]  ? kasan_check_read+0x11/0x20
[  285.744884]  ? __run_timers+0x7da/0xc70
[  285.748848]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  285.754288]  ? kasan_check_write+0x14/0x20
[  285.758509]  ? do_raw_spin_lock+0xc1/0x200
[  285.762740]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.766965]  __run_timers+0x7e5/0xc70
[  285.770767]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  285.776120]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  285.781126]  ? timerqueue_add+0x207/0x2b0
[  285.785264]  ? enqueue_hrtimer+0x1a5/0x560
[  285.789491]  ? lock_release+0x970/0x970
[  285.793456]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  285.798635]  ? kasan_check_write+0x14/0x20
[  285.802861]  ? pvclock_read_flags+0x160/0x160
[  285.807431]  ? lock_downgrade+0x900/0x900
[  285.811665]  ? trace_hardirqs_on+0xbd/0x310
[  285.815975]  ? kvm_sched_clock_read+0x9/0x20
[  285.820374]  ? irq_exit+0x17f/0x1c0
[  285.823990]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.829516]  ? check_preemption_disabled+0x48/0x200
[  285.834521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.840051]  run_timer_softirq+0x52/0xb0
[  285.844101]  ? __this_cpu_preempt_check+0x1c/0x1f
[  285.848931]  __do_softirq+0x30b/0xad8
[  285.852726]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  285.857818]  ? pvclock_read_flags+0x160/0x160
[  285.862304]  ? lapic_next_event+0x5a/0x90
[  285.866439]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.871966]  ? clockevents_program_event+0x140/0x370
[  285.877060]  ? kvm_clock_read+0x18/0x30
[  285.881023]  ? kvm_sched_clock_read+0x9/0x20
[  285.885424]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.890952]  ? check_preemption_disabled+0x48/0x200
[  285.895972]  irq_exit+0x17f/0x1c0
[  285.899439]  smp_apic_timer_interrupt+0x1cb/0x760
[  285.904285]  ? smp_reschedule_interrupt+0x109/0x650
[  285.909437]  ? smp_call_function_single_interrupt+0x650/0x650
[  285.915351]  ? interrupt_entry+0xb5/0xf0
[  285.919408]  ? trace_hardirqs_off_caller+0xbb/0x310
[  285.924414]  ? trace_hardirqs_off_caller+0xbb/0x310
[  285.929423]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  285.934259]  ? trace_hardirqs_on_caller+0x310/0x310
[  285.939264]  ? trace_hardirqs_on_caller+0x310/0x310
[  285.944269]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.949800]  ? check_preemption_disabled+0x48/0x200
[  285.954806]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  285.959641]  apic_timer_interrupt+0xf/0x20
[  285.963859]  </IRQ>
[  285.966086] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  285.971008] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  285.989912] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  285.997614] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  286.004873] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  286.012130] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  286.019401] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  286.026670] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  286.033941]  ? trace_hardirqs_on+0xb4/0x310
[  286.038258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.043863]  skb_clone+0x1bb/0x500
[  286.047392]  ? finish_task_switch+0x2f5/0x900
[  286.051877]  ? skb_split+0x11e0/0x11e0
[  286.055758]  ? preempt_notifier_register+0x200/0x200
[  286.060848]  ? __switch_to_asm+0x34/0x70
[  286.064902]  ? __switch_to_asm+0x34/0x70
[  286.068952]  ? __switch_to_asm+0x40/0x70
[  286.072999]  ? __switch_to_asm+0x34/0x70
[  286.077048]  ? __switch_to_asm+0x40/0x70
[  286.081100]  ? __switch_to_asm+0x34/0x70
[  286.085148]  ? __switch_to_asm+0x40/0x70
[  286.089196]  ? __switch_to_asm+0x34/0x70
[  286.093244]  ? __switch_to_asm+0x34/0x70
[  286.097294]  ? __switch_to_asm+0x40/0x70
[  286.101342]  ? __switch_to_asm+0x34/0x70
[  286.105396]  bpf_clone_redirect+0xb9/0x490
[  286.110144]  ? __schedule+0x874/0x1ed0
[  286.114027]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  286.118947]  ? __sched_text_start+0x8/0x8
[  286.123088]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  286.127839]  ? retint_kernel+0x2d/0x2d
[  286.131722]  ? lock_acquire+0x1ed/0x520
[  286.135683]  ? bpf_test_run+0x32e/0x5a0
[  286.139651]  ? lock_release+0x970/0x970
[  286.143613]  ? preempt_schedule+0x4d/0x60
[  286.147756]  ? preempt_schedule_common+0x1f/0xd0
[  286.152546]  ? preempt_schedule+0x4d/0x60
[  286.156688]  ? ___preempt_schedule+0x16/0x18
[  286.161088]  ? bpf_test_run+0x1c0/0x5a0
[  286.165055]  ? netlink_diag_dump+0x2a0/0x2a0
[  286.169459]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.174984]  ? bpf_test_init.isra.9+0x70/0x100
[  286.179569]  ? bpf_prog_test_run_skb+0x634/0xb40
[  286.184319]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  286.189155]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  286.194681]  ? fput+0x130/0x1a0
[  286.197951]  ? __bpf_prog_get+0x9b/0x290
[  286.202000]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  286.206832]  ? bpf_prog_test_run+0x130/0x1a0
[  286.211231]  ? __x64_sys_bpf+0x3d8/0x510
[  286.215278]  ? bpf_prog_get+0x20/0x20
[  286.219076]  ? do_syscall_64+0x1b9/0x820
[  286.223125]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  286.228481]  ? syscall_return_slowpath+0x5e0/0x5e0
[  286.233403]  ? trace_hardirqs_on_caller+0x310/0x310
[  286.238410]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  286.243419]  ? recalc_sigpending_tsk+0x180/0x180
[  286.248167]  ? kasan_check_write+0x14/0x20
[  286.252399]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  286.257236]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  286.262595] warn_alloc_show_mem: 1 callbacks suppressed
[  286.262604] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  286.262606] Mem-Info:
[  286.262635] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  286.262635]  active_file:16 inactive_file:17 isolated_file:0
[  286.262635]  unevictable:0 dirty:0 writeback:0 unstable:0
[  286.262635]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  286.262635]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  286.262635]  free:13792 free_pcp:309 free_cma:0
[  286.268480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  286.275694] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  286.278090] Call Trace:
[  286.311115] Node 0 
[  286.320468]  dump_stack+0x1c4/0x2b4
[  286.348296] 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
[  286.350854]  ? dump_stack_print_info.cold.2+0x52/0x52
[  286.353055] lowmem_reserve[]:
[  286.356668]  ? isolate_lru_page+0x22e0/0x22e0
[  286.382236]  0
[  286.387416]  warn_alloc.cold.119+0xb7/0x1bd
[  286.390485]  2819
[  286.394962]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  286.396735]  6323
[  286.401108]  ? lock_downgrade+0x900/0x900
[  286.403133]  6323
[  286.407968]  ? trace_hardirqs_off+0xb8/0x310
[  286.409997] Node 0 
[  286.414127]  ? trace_hardirqs_off+0xb8/0x310
[  286.416181] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  286.420555]  __alloc_pages_slowpath+0x2667/0x2d80
[  286.422761] lowmem_reserve[]:
[  286.427160]  ? mark_held_locks+0x130/0x130
[  286.454642]  0
[  286.459477]  ? warn_alloc+0x120/0x120
[  286.462547]  0 3503
[  286.469286]  ? warn_alloc+0x120/0x120
[  286.471058]  3503
[  286.474853]  ? warn_alloc+0x120/0x120
[  286.480848]  ? mark_held_locks+0x130/0x130
[  286.483000] Node 0 Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  286.483022] lowmem_reserve[]: 0 0 0 0
[  286.483034] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 
[  286.486844]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.491062] 1*32kB 
[  286.525819]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.529589] (U) 
[  286.534243]  ? should_fail+0x22d/0xd01
[  286.539745] 2*64kB 
[  286.541975]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  286.547486] (U) 1*128kB 
[  286.549561]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.553413] (U) 
[  286.555636]  ? should_fail+0x22d/0xd01
[  286.560710] 1*256kB 
[  286.563367]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  286.568873] (U) 
[  286.571083]  ? should_fail+0x22d/0xd01
[  286.574935] 0*512kB 1*1024kB 
[  286.577255]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  286.582321] (U) 1*2048kB 
[  286.584291]  ? mark_held_locks+0x130/0x130
[  286.588145] (M) 
[  286.591233]  ? mark_held_locks+0x130/0x130
[  286.596304] 3*4096kB 
[  286.599049]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.603245] (M) = 15908kB
[  286.605315]  ? trace_hardirqs_off+0xb8/0x310
[  286.609519] Node 0 
[  286.612423]  ? kasan_check_read+0x11/0x20
[  286.617956] DMA32: 
[  286.620699]  ? do_raw_spin_unlock+0xa7/0x2f0
[  286.625072] 6*4kB 
[  286.627294]  ? trace_hardirqs_on+0x310/0x310
[  286.631411] (UME) 
[  286.633633]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.638006] 2*8kB (UE) 
[  286.640148]  ? wq_watchdog_touch+0x9c/0xfe
[  286.644533] 4*16kB 
[  286.646677]  ? io_serial_in+0x11/0x90
[  286.652183] (UME) 
[  286.654753]  ? retint_kernel+0x2d/0x2d
[  286.658957] 4*32kB 
[  286.661178]  ? trace_hardirqs_on_caller+0xc0/0x310
[  286.664946] (UME) 
[  286.667085]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  286.670948] 5*64kB (ME) 
[  286.673175]  ? trace_hardirqs_off+0x310/0x310
[  286.678075] 5*128kB 
[  286.680207]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  286.684930] (UME) 
[  286.687591]  __alloc_pages_nodemask+0xa80/0xde0
[  286.692060] 4*256kB 
[  286.694369]  ? should_fail+0x22d/0xd01
[  286.699444] (ME) 
[  286.701577]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  286.706213] 5*512kB 
[  286.708529]  ? ____cache_alloc_node+0x1c7/0x1e0
[  286.712381] (UME) 
[  286.714429]  ? lock_downgrade+0x900/0x900
[  286.719414] 4*1024kB 
[  286.721724]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.726370] (UME) 
[  286.728514]  cache_grow_begin+0x91/0x8c0
[  286.732633] 2*2048kB 
[  286.735034]  ? do_raw_spin_unlock+0xa7/0x2f0
[  286.740537] (ME) 
[  286.742674]  fallback_alloc+0x203/0x2e0
[  286.746705] 3*4096kB 
[  286.749103]  ____cache_alloc_node+0x1c7/0x1e0
[  286.753480] (M) 
[  286.755538]  kmem_cache_alloc_node+0xe3/0x730
[  286.759481] = 25256kB
[  286.761882]  ? ipv6_get_ifaddr+0x42e/0x620
[  286.766344] Node 0 
[  286.768400]  __alloc_skb+0x119/0x770
[  286.772865] Normal: 1063*4kB 
[  286.775267]  ? skb_scrub_packet+0x490/0x490
[  286.779464] (UMEH) 420*8kB 
[  286.781699]  ? lock_downgrade+0x900/0x900
[  286.785378] (UME) 
[  286.788930]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.793218] 170*16kB 
[  286.796137]  ? refcount_sub_and_test_checked+0x203/0x310
[  286.800252] (UMEH) 
[  286.802387]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  286.807890] 65*32kB 
[  286.810286]  ? addrconf_rs_timer+0x690/0x690
[  286.815701] (UME) 
[  286.817924]  ndisc_alloc_skb+0x144/0x340
[  286.823343] 9*64kB 
[  286.825650]  ndisc_send_rs+0x331/0x6e0
[  286.830020] (UM) 0*128kB 
[  286.832163]  addrconf_rs_timer+0x314/0x690
[  286.836199] 0*256kB 
[  286.838419]  ? lock_release+0x970/0x970
[  286.842276] 0*512kB 
[  286.845024]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.849225] 1*1024kB (H) 
[  286.851545]  call_timer_fn+0x272/0x920
[  286.855492] 0*2048kB 
[  286.857802]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.862002] 0*4096kB 
[  286.864748]  ? process_timeout+0x40/0x40
[  286.868605] = 14012kB
[  286.870999]  ? kasan_check_read+0x11/0x20
[  286.875209] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  286.877598]  ? do_raw_spin_unlock+0xa7/0x2f0
[  286.881630] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  286.884021]  ? trace_hardirqs_on+0x310/0x310
[  286.888137] 4986 total pagecache pages
[  286.896959]  ? __run_timers+0x7da/0xc70
[  286.901338] 0 pages in swap cache
[  286.909918]  ? lock_downgrade+0x900/0x900
[  286.914309] Swap cache stats: add 0, delete 0, find 0/0
[  286.918185]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  286.922126] Free swap  = 0kB
[  286.925733]  ? trace_hardirqs_on+0xbd/0x310
[  286.929843] Total swap = 0kB
[  286.929851] 1965979 pages RAM
[  286.935197]  ? kasan_check_read+0x11/0x20
[  286.940270] 0 pages HighMem/MovableOnly
[  286.943285]  ? __run_timers+0x7da/0xc70
[  286.947584] 342307 pages reserved
[  286.950600]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  286.953672] 0 pages cma reserved
[  286.953726] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  286.957812]  ? kasan_check_write+0x14/0x20
[  286.961820] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  286.965854]  ? do_raw_spin_lock+0xc1/0x200
[  286.969277] syz-executor4 cpuset=
[  286.974712]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.978047] syz4
[  286.984526]  __run_timers+0x7e5/0xc70
[  286.988723]  mems_allowed=0
[  287.019711]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  287.025062]  ? compat_start_thread+0x80/0x80
[  287.029457]  ? dequeue_entity+0x1770/0x1770
[  287.033778]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.039302]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.044831]  ? kasan_check_write+0x14/0x20
[  287.049054]  ? finish_task_switch+0x2f5/0x900
[  287.053539]  ? __switch_to_asm+0x40/0x70
[  287.057608]  ? preempt_notifier_register+0x200/0x200
[  287.062698]  ? __switch_to_asm+0x34/0x70
[  287.066752]  ? __switch_to_asm+0x40/0x70
[  287.070800]  ? __switch_to_asm+0x34/0x70
[  287.074848]  ? __switch_to_asm+0x40/0x70
[  287.078982]  ? __switch_to_asm+0x34/0x70
[  287.083034]  ? __switch_to_asm+0x40/0x70
[  287.087090]  ? pvclock_read_flags+0x160/0x160
[  287.091580]  ? __schedule+0x874/0x1ed0
[  287.095454]  ? run_rebalance_domains+0x38d/0x500
[  287.100412]  ? trace_hardirqs_on+0xbd/0x310
[  287.104986]  ? kvm_sched_clock_read+0x9/0x20
[  287.109388]  ? run_ksoftirqd+0x94/0x100
[  287.113357]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.118888]  ? check_preemption_disabled+0x48/0x200
[  287.124838]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.133038]  run_timer_softirq+0x52/0xb0
[  287.137094]  ? __this_cpu_preempt_check+0x1c/0x1f
[  287.141928]  __do_softirq+0x30b/0xad8
[  287.145731]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  287.150825]  ? trace_hardirqs_off+0xb8/0x310
[  287.155226]  ? schedule+0x108/0x460
[  287.159323]  ? __schedule+0x1ed0/0x1ed0
[  287.163288]  ? run_ksoftirqd+0x99/0x100
[  287.167251]  ? trace_hardirqs_off+0xb8/0x310
[  287.171648]  ? ___might_sleep+0x1ed/0x300
[  287.175784]  ? smpboot_thread_fn+0x68b/0xa00
[  287.180182]  ? trace_hardirqs_on+0x310/0x310
[  287.184579]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.190105]  ? check_preemption_disabled+0x48/0x200
[  287.195626]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.201639]  ? takeover_tasklets+0xa90/0xa90
[  287.206042]  run_ksoftirqd+0x94/0x100
[  287.209832]  smpboot_thread_fn+0x68b/0xa00
[  287.214056]  ? sort_range+0x30/0x30
[  287.217845]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  287.223460]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.228989]  ? __kthread_parkme+0xfb/0x1a0
[  287.233216]  kthread+0x35a/0x420
[  287.236581]  ? sort_range+0x30/0x30
[  287.240196]  ? kthread_bind+0x40/0x40
[  287.243993]  ret_from_fork+0x3a/0x50
[  287.247709] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  287.247757] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  287.254971] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  287.254975] Call Trace:
[  287.254980]  <IRQ>
[  287.254993]  dump_stack+0x1c4/0x2b4
[  287.255010]  ? dump_stack_print_info.cold.2+0x52/0x52
[  287.261547] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  287.270840]  warn_alloc.cold.119+0xb7/0x1bd
[  287.273393] ksoftirqd/1 cpuset=
[  287.275527]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  287.279122] /
[  287.284299]  ? lock_downgrade+0x900/0x900
[  287.295480]  mems_allowed=0
[  287.299787]  ? trace_hardirqs_off+0xb8/0x310
[  287.320977]  ? trace_hardirqs_off+0xb8/0x310
[  287.325379]  __alloc_pages_slowpath+0x2667/0x2d80
[  287.330226]  ? warn_alloc+0x120/0x120
[  287.334014]  ? trace_hardirqs_on+0x310/0x310
[  287.338411]  ? warn_alloc+0x120/0x120
[  287.342211]  ? warn_alloc+0x120/0x120
[  287.345998]  ? ktime_get+0x2e1/0x440
[  287.349702]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.355230]  ? check_preemption_disabled+0x48/0x200
[  287.360236]  ? kasan_check_read+0x11/0x20
[  287.364372]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.369897]  ? should_fail+0x22d/0xd01
[  287.373773]  ? rcu_bh_qs+0xc0/0xc0
[  287.377324]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  287.382420]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.387974]  ? should_fail+0x22d/0xd01
[  287.391855]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  287.396953]  ? should_fail+0x22d/0xd01
[  287.400832]  ? rcu_idle_enter+0x4b0/0x4b0
[  287.404973]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  287.410070]  ? mark_held_locks+0x130/0x130
[  287.414487]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.420013]  ? mark_held_locks+0x130/0x130
[  287.424240]  ? rcu_irq_exit+0xce/0x100
[  287.428116]  ? irq_exit+0xbd/0x1c0
[  287.431646]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  287.436653]  ? do_raw_spin_unlock+0xa7/0x2f0
[  287.441053]  ? smp_call_function_single_interrupt+0x650/0x650
[  287.446926]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.453788]  ? ret_from_intr+0xb/0x1e
[  287.457575]  ? retint_kernel+0x2d/0x2d
[  287.461461]  ? trace_hardirqs_on_caller+0xc0/0x310
[  287.466381]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  287.471128]  ? trace_hardirqs_off+0x310/0x310
[  287.475612]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  287.480710]  __alloc_pages_nodemask+0xa80/0xde0
[  287.485371]  ? should_fail+0x22d/0xd01
[  287.489251]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  287.494270]  ? ____cache_alloc_node+0x1c7/0x1e0
[  287.498930]  ? lock_downgrade+0x900/0x900
[  287.503075]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.508602]  cache_grow_begin+0x91/0x8c0
[  287.512655]  ? do_raw_spin_unlock+0xa7/0x2f0
[  287.517056]  fallback_alloc+0x203/0x2e0
[  287.521023]  ____cache_alloc_node+0x1c7/0x1e0
[  287.525509]  kmem_cache_alloc_node+0xe3/0x730
[  287.529996]  ? ipv6_get_ifaddr+0x42e/0x620
[  287.534225]  __alloc_skb+0x119/0x770
[  287.537944]  ? skb_scrub_packet+0x490/0x490
[  287.542256]  ? lock_downgrade+0x900/0x900
[  287.546407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.551946]  ? refcount_sub_and_test_checked+0x203/0x310
[  287.557405]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  287.562855]  ? addrconf_rs_timer+0x690/0x690
[  287.567258]  ndisc_alloc_skb+0x144/0x340
[  287.571310]  ndisc_send_rs+0x331/0x6e0
[  287.575203]  addrconf_rs_timer+0x314/0x690
[  287.579440]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.583674]  call_timer_fn+0x272/0x920
[  287.587548]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.591783]  ? process_timeout+0x40/0x40
[  287.595937]  ? trace_hardirqs_off+0xb8/0x310
[  287.600380]  ? kasan_check_read+0x11/0x20
[  287.604522]  ? do_raw_spin_unlock+0xa7/0x2f0
[  287.608922]  ? trace_hardirqs_on+0x310/0x310
[  287.613324]  ? __run_timers+0x7da/0xc70
[  287.617291]  ? lock_downgrade+0x900/0x900
[  287.621435]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  287.626530]  ? trace_hardirqs_on+0xbd/0x310
[  287.630842]  ? kasan_check_read+0x11/0x20
[  287.634978]  ? __run_timers+0x7da/0xc70
[  287.638946]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  287.644385]  ? kasan_check_write+0x14/0x20
[  287.648615]  ? do_raw_spin_lock+0xc1/0x200
[  287.652845]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.657069]  __run_timers+0x7e5/0xc70
[  287.660864]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  287.666222]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  287.671227]  ? timerqueue_add+0x207/0x2b0
[  287.675368]  ? enqueue_hrtimer+0x1a5/0x560
[  287.679584]  ? lock_release+0x970/0x970
[  287.683549]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  287.688743]  ? kasan_check_write+0x14/0x20
[  287.692974]  ? pvclock_read_flags+0x160/0x160
[  287.697467]  ? lock_downgrade+0x900/0x900
[  287.701607]  ? trace_hardirqs_on+0xbd/0x310
[  287.705917]  ? kvm_sched_clock_read+0x9/0x20
[  287.710321]  ? irq_exit+0x17f/0x1c0
[  287.713938]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.719464]  ? check_preemption_disabled+0x48/0x200
[  287.724471]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.730003]  run_timer_softirq+0x52/0xb0
[  287.734057]  ? __this_cpu_preempt_check+0x1c/0x1f
[  287.738889]  __do_softirq+0x30b/0xad8
[  287.742683]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  287.747775]  ? pvclock_read_flags+0x160/0x160
[  287.752259]  ? lapic_next_event+0x5a/0x90
[  287.756396]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.761952]  ? clockevents_program_event+0x140/0x370
[  287.767050]  ? kvm_clock_read+0x18/0x30
[  287.771013]  ? kvm_sched_clock_read+0x9/0x20
[  287.775419]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.780951]  ? check_preemption_disabled+0x48/0x200
[  287.785964]  irq_exit+0x17f/0x1c0
[  287.789414]  smp_apic_timer_interrupt+0x1cb/0x760
[  287.794252]  ? smp_reschedule_interrupt+0x109/0x650
[  287.799262]  ? smp_call_function_single_interrupt+0x650/0x650
[  287.805133]  ? interrupt_entry+0xb5/0xf0
[  287.809189]  ? trace_hardirqs_off_caller+0xbb/0x310
[  287.814194]  ? trace_hardirqs_off_caller+0xbb/0x310
[  287.819201]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  287.824035]  ? trace_hardirqs_on_caller+0x310/0x310
[  287.829040]  ? trace_hardirqs_on_caller+0x310/0x310
[  287.834046]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.839570]  ? check_preemption_disabled+0x48/0x200
[  287.844581]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  287.849429]  apic_timer_interrupt+0xf/0x20
[  287.853646]  </IRQ>
[  287.855899] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  287.860823] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  287.879722] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  287.887424] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  287.894680] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  287.901939] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  287.909195] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  287.916455] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  287.923725]  ? trace_hardirqs_on+0xb4/0x310
[  287.928040]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.933750]  skb_clone+0x1bb/0x500
[  287.937301]  ? finish_task_switch+0x2f5/0x900
[  287.941779]  ? skb_split+0x11e0/0x11e0
[  287.945654]  ? preempt_notifier_register+0x200/0x200
[  287.950743]  ? __switch_to_asm+0x34/0x70
[  287.954794]  ? __switch_to_asm+0x34/0x70
[  287.958839]  ? __switch_to_asm+0x40/0x70
[  287.962886]  ? __switch_to_asm+0x34/0x70
[  287.966936]  ? __switch_to_asm+0x40/0x70
[  287.970988]  ? __switch_to_asm+0x34/0x70
[  287.975036]  ? __switch_to_asm+0x40/0x70
[  287.979083]  ? __switch_to_asm+0x34/0x70
[  287.983131]  ? __switch_to_asm+0x34/0x70
[  287.987179]  ? __switch_to_asm+0x40/0x70
[  287.991226]  ? __switch_to_asm+0x34/0x70
[  287.995283]  bpf_clone_redirect+0xb9/0x490
[  287.999511]  ? __schedule+0x874/0x1ed0
[  288.003395]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  288.008320]  ? __sched_text_start+0x8/0x8
[  288.012458]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  288.017204]  ? retint_kernel+0x2d/0x2d
[  288.021119]  ? lock_acquire+0x1ed/0x520
[  288.025080]  ? bpf_test_run+0x32e/0x5a0
[  288.029045]  ? lock_release+0x970/0x970
[  288.033008]  ? preempt_schedule+0x4d/0x60
[  288.037145]  ? preempt_schedule_common+0x1f/0xd0
[  288.041888]  ? preempt_schedule+0x4d/0x60
[  288.046038]  ? ___preempt_schedule+0x16/0x18
[  288.050441]  ? bpf_test_run+0x1c0/0x5a0
[  288.054416]  ? netlink_diag_dump+0x2a0/0x2a0
[  288.058819]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.064345]  ? bpf_test_init.isra.9+0x70/0x100
[  288.068919]  ? bpf_prog_test_run_skb+0x634/0xb40
[  288.073668]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  288.078503]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  288.084029]  ? fput+0x130/0x1a0
[  288.087299]  ? __bpf_prog_get+0x9b/0x290
[  288.091349]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  288.096183]  ? bpf_prog_test_run+0x130/0x1a0
[  288.100582]  ? __x64_sys_bpf+0x3d8/0x510
[  288.104632]  ? bpf_prog_get+0x20/0x20
[  288.108942]  ? do_syscall_64+0x1b9/0x820
[  288.112997]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  288.118354]  ? syscall_return_slowpath+0x5e0/0x5e0
[  288.123287]  ? trace_hardirqs_on_caller+0x310/0x310
[  288.128299]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  288.133305]  ? recalc_sigpending_tsk+0x180/0x180
[  288.138051]  ? kasan_check_write+0x14/0x20
[  288.142277]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  288.147114]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  288.152471] warn_alloc_show_mem: 1 callbacks suppressed
[  288.152480] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  288.152482] Mem-Info:
[  288.152511] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  288.152511]  active_file:16 inactive_file:17 isolated_file:0
[  288.152511]  unevictable:0 dirty:0 writeback:0 unstable:0
[  288.152511]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  288.152511]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  288.152511]  free:13792 free_pcp:309 free_cma:0
[  288.157836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  288.157842] Call Trace:
[  288.164677] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  288.167073]  dump_stack+0x1c4/0x2b4
[  288.200111] Node 0 
[  288.209457]  ? dump_stack_print_info.cold.2+0x52/0x52
[  288.212031] 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
[  288.239965]  ? isolate_lru_page+0x22e0/0x22e0
[  288.243560] lowmem_reserve[]:
[  288.245786]  warn_alloc.cold.119+0xb7/0x1bd
[  288.250941]  0
[  288.276953]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  288.281413]  2819
[  288.284505]  ? lock_downgrade+0x900/0x900
[  288.288792]  6323
[  288.290581]  ? trace_hardirqs_off+0xb8/0x310
[  288.295391]  6323
[  288.297437]  ? trace_hardirqs_off+0xb8/0x310
[  288.303602]  __alloc_pages_slowpath+0x2667/0x2d80
[  288.307986] Node 0 
[  288.310041]  ? mark_held_locks+0x130/0x130
[  288.314434] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  288.319243]  ? warn_alloc+0x120/0x120
[  288.321443] lowmem_reserve[]: 0
[  288.325671]  ? warn_alloc+0x120/0x120
[  288.352621]  0
[  288.356409]  ? warn_alloc+0x120/0x120
[  288.359652]  3503
[  288.363434]  ? mark_held_locks+0x130/0x130
[  288.365208]  3503
[  288.369015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.375749]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.377967] Node 0 
[  288.383487]  ? should_fail+0x22d/0xd01
[  288.389012] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  288.391212]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  288.395064] lowmem_reserve[]:
[  288.425915]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.430984]  0 0
[  288.434100]  ? should_fail+0x22d/0xd01
[  288.439613]  0
[  288.441577]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  288.445431]  0
[  288.447221]  ? should_fail+0x22d/0xd01
[  288.454284]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  288.458135] Node 0 DMA: 
[  288.463221]  ? mark_held_locks+0x130/0x130
[  288.463235]  ? mark_held_locks+0x130/0x130
[  288.466901] 1*4kB 
[  288.471127]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.475325] (U) 
[  288.477466]  ? trace_hardirqs_off+0xb8/0x310
[  288.482969] 0*8kB 
[  288.484938]  ? kasan_check_read+0x11/0x20
[  288.491392] 0*16kB 
[  288.493532]  ? do_raw_spin_unlock+0xa7/0x2f0
[  288.497643] 1*32kB 
[  288.500359]  ? trace_hardirqs_on+0x310/0x310
[  288.504738] (U) 
[  288.506971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.511353] 2*64kB 
[  288.513315]  ? wq_watchdog_touch+0x9c/0xfe
[  288.519572] (U) 
[  288.525170]  ? io_serial_in+0x11/0x90
[  288.529373] 1*128kB 
[  288.531343]  ? retint_kernel+0x2d/0x2d
[  288.535109] (U) 
[  288.537419]  ? trace_hardirqs_on_caller+0xc0/0x310
[  288.541275] 1*256kB 
[  288.543234]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  288.548126] (U) 
[  288.550436]  ? trace_hardirqs_off+0x310/0x310
[  288.555158] 0*512kB 
[  288.557118]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  288.561582] 1*1024kB 
[  288.563895]  __alloc_pages_nodemask+0xa80/0xde0
[  288.568956] (U) 1*2048kB 
[  288.571366]  ? should_fail+0x22d/0xd01
[  288.576001] (M) 
[  288.578748]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  288.582602] 3*4096kB 
[  288.584573]  ? ____cache_alloc_node+0x1c7/0x1e0
[  288.589540] (M) = 15908kB
[  288.591942]  ? lock_downgrade+0x900/0x900
[  288.596576] Node 0 
[  288.599324]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.603465] DMA32: 6*4kB 
[  288.605698]  cache_grow_begin+0x91/0x8c0
[  288.611201] (UME) 
[  288.613947]  ? do_raw_spin_unlock+0xa7/0x2f0
[  288.617976] 2*8kB 
[  288.620119]  fallback_alloc+0x203/0x2e0
[  288.624494] (UE) 
[  288.626633]  ____cache_alloc_node+0x1c7/0x1e0
[  288.630576] 4*16kB 
[  288.632625]  kmem_cache_alloc_node+0xe3/0x730
[  288.637089] (UME) 
[  288.639310]  ? ipv6_get_ifaddr+0x42e/0x620
[  288.643768] 4*32kB (UME) 
[  288.645913]  __alloc_skb+0x119/0x770
[  288.650113] 5*64kB 
[  288.653347]  ? skb_scrub_packet+0x490/0x490
[  288.657032] (ME) 
[  288.659254]  ? lock_downgrade+0x900/0x900
[  288.663536] 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB
[  288.663565] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB
[  288.663617] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  288.663623] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  288.663626] 4986 total pagecache pages
[  288.663630] 0 pages in swap cache
[  288.663635] Swap cache stats: add 0, delete 0, find 0/0
[  288.663637] Free swap  = 0kB
[  288.663639] Total swap = 0kB
[  288.663642] 1965979 pages RAM
[  288.663645] 0 pages HighMem/MovableOnly
[  288.663647] 342307 pages reserved
[  288.663649] 0 pages cma reserved
[  288.663692] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  288.663729] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  288.663732] syz-executor4 cpuset=syz4 mems_allowed=0
[  288.768117]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.773644]  ? refcount_sub_and_test_checked+0x203/0x310
[  288.779085]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  288.784899]  ? addrconf_rs_timer+0x690/0x690
[  288.789305]  ndisc_alloc_skb+0x144/0x340
[  288.793365]  ndisc_send_rs+0x331/0x6e0
[  288.797246]  addrconf_rs_timer+0x314/0x690
[  288.801478]  ? lock_release+0x970/0x970
[  288.805447]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.809680]  call_timer_fn+0x272/0x920
[  288.813556]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.818245]  ? process_timeout+0x40/0x40
[  288.822294]  ? kasan_check_read+0x11/0x20
[  288.826443]  ? do_raw_spin_unlock+0xa7/0x2f0
[  288.830844]  ? trace_hardirqs_on+0x310/0x310
[  288.835714]  ? __run_timers+0x7da/0xc70
[  288.839677]  ? lock_downgrade+0x900/0x900
[  288.843814]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  288.848913]  ? trace_hardirqs_on+0xbd/0x310
[  288.853219]  ? kasan_check_read+0x11/0x20
[  288.857355]  ? __run_timers+0x7da/0xc70
[  288.861327]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  288.866765]  ? kasan_check_write+0x14/0x20
[  288.870992]  ? do_raw_spin_lock+0xc1/0x200
[  288.875219]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.879451]  __run_timers+0x7e5/0xc70
[  288.883248]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  288.888619]  ? compat_start_thread+0x80/0x80
[  288.893015]  ? dequeue_entity+0x1770/0x1770
[  288.897332]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.902872]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.908398]  ? kasan_check_write+0x14/0x20
[  288.912623]  ? finish_task_switch+0x2f5/0x900
[  288.917105]  ? __switch_to_asm+0x40/0x70
[  288.921162]  ? preempt_notifier_register+0x200/0x200
[  288.926255]  ? __switch_to_asm+0x34/0x70
[  288.930309]  ? __switch_to_asm+0x40/0x70
[  288.935132]  ? __switch_to_asm+0x34/0x70
[  288.940994]  ? __switch_to_asm+0x40/0x70
[  288.945042]  ? __switch_to_asm+0x34/0x70
[  288.949778]  ? __switch_to_asm+0x40/0x70
[  288.953838]  ? pvclock_read_flags+0x160/0x160
[  288.958328]  ? __schedule+0x874/0x1ed0
[  288.962207]  ? run_rebalance_domains+0x38d/0x500
[  288.966956]  ? trace_hardirqs_on+0xbd/0x310
[  288.971266]  ? kvm_sched_clock_read+0x9/0x20
[  288.975665]  ? run_ksoftirqd+0x94/0x100
[  288.979628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.985157]  ? check_preemption_disabled+0x48/0x200
[  288.990162]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.995692]  run_timer_softirq+0x52/0xb0
[  288.999742]  ? __this_cpu_preempt_check+0x1c/0x1f
[  289.004576]  __do_softirq+0x30b/0xad8
[  289.008858]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  289.013963]  ? trace_hardirqs_off+0xb8/0x310
[  289.018364]  ? schedule+0x108/0x460
[  289.021980]  ? __schedule+0x1ed0/0x1ed0
[  289.025946]  ? run_ksoftirqd+0x99/0x100
[  289.029909]  ? trace_hardirqs_off+0xb8/0x310
[  289.034782]  ? ___might_sleep+0x1ed/0x300
[  289.038917]  ? smpboot_thread_fn+0x68b/0xa00
[  289.043318]  ? trace_hardirqs_on+0x310/0x310
[  289.047718]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.053245]  ? check_preemption_disabled+0x48/0x200
[  289.058254]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.063782]  ? takeover_tasklets+0xa90/0xa90
[  289.068184]  run_ksoftirqd+0x94/0x100
[  289.071979]  smpboot_thread_fn+0x68b/0xa00
[  289.076202]  ? sort_range+0x30/0x30
[  289.079926]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  289.085022]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.090549]  ? __kthread_parkme+0xfb/0x1a0
[  289.094777]  kthread+0x35a/0x420
[  289.098131]  ? sort_range+0x30/0x30
[  289.101748]  ? kthread_bind+0x40/0x40
[  289.105986]  ret_from_fork+0x3a/0x50
[  289.109704] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  289.109754] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  289.116969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  289.116972] Call Trace:
[  289.116977]  <IRQ>
[  289.116991]  dump_stack+0x1c4/0x2b4
[  289.117008]  ? dump_stack_print_info.cold.2+0x52/0x52
[  289.124068] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  289.133353]  warn_alloc.cold.119+0xb7/0x1bd
[  289.135908] ksoftirqd/1 cpuset=
[  289.138044]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  289.141636] /
[  289.146813]  ? lock_downgrade+0x900/0x900
[  289.157095]  mems_allowed=0
[  289.161397]  ? trace_hardirqs_off+0xb8/0x310
[  289.182608]  ? trace_hardirqs_off+0xb8/0x310
[  289.187014]  __alloc_pages_slowpath+0x2667/0x2d80
[  289.191878]  ? warn_alloc+0x120/0x120
[  289.195671]  ? warn_alloc+0x120/0x120
[  289.199464]  ? warn_alloc+0x120/0x120
[  289.203255]  ? lock_release+0x970/0x970
[  289.207228]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  289.212411]  ? trace_hardirqs_on+0x310/0x310
[  289.216814]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.222353]  ? should_fail+0x22d/0xd01
[  289.226233]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  289.231331]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.236862]  ? should_fail+0x22d/0xd01
[  289.240745]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  289.245839]  ? should_fail+0x22d/0xd01
[  289.249724]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  289.254817]  ? mark_held_locks+0x130/0x130
[  289.259046]  ? mark_held_locks+0x130/0x130
[  289.263269]  ? kvm_clock_read+0x18/0x30
[  289.267244]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  289.272257]  ? ktime_get+0x2e1/0x440
[  289.275970]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.281498]  ? check_preemption_disabled+0x48/0x200
[  289.286504]  ? kasan_check_read+0x11/0x20
[  289.290647]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  289.295914]  ? rcu_bh_qs+0xc0/0xc0
[  289.299444]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.304972]  ? check_preemption_disabled+0x48/0x200
[  289.310125]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  289.315149]  ? widen_string+0xe0/0x2e0
[  289.319035]  __alloc_pages_nodemask+0xa80/0xde0
[  289.323696]  ? should_fail+0x22d/0xd01
[  289.327580]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  289.332618]  ? ____cache_alloc_node+0x1c7/0x1e0
[  289.337285]  ? lock_downgrade+0x900/0x900
[  289.341431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.346963]  cache_grow_begin+0x91/0x8c0
[  289.351018]  ? do_raw_spin_unlock+0xa7/0x2f0
[  289.355421]  fallback_alloc+0x203/0x2e0
[  289.359401]  ____cache_alloc_node+0x1c7/0x1e0
[  289.363886]  kmem_cache_alloc_node+0xe3/0x730
[  289.368378]  ? ipv6_get_ifaddr+0x42e/0x620
[  289.372618]  __alloc_skb+0x119/0x770
[  289.376323]  ? skb_scrub_packet+0x490/0x490
[  289.380635]  ? lock_downgrade+0x900/0x900
[  289.384775]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.390306]  ? refcount_sub_and_test_checked+0x203/0x310
[  289.395751]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  289.401306]  ? addrconf_rs_timer+0x690/0x690
[  289.405715]  ndisc_alloc_skb+0x144/0x340
[  289.409767]  ndisc_send_rs+0x331/0x6e0
[  289.413646]  addrconf_rs_timer+0x314/0x690
[  289.417874]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.422105]  call_timer_fn+0x272/0x920
[  289.425985]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.430210]  ? process_timeout+0x40/0x40
[  289.434266]  ? trace_hardirqs_off+0xb8/0x310
[  289.438665]  ? kasan_check_read+0x11/0x20
[  289.442803]  ? do_raw_spin_unlock+0xa7/0x2f0
[  289.447204]  ? trace_hardirqs_on+0x310/0x310
[  289.453670]  ? __run_timers+0x7da/0xc70
[  289.457641]  ? lock_downgrade+0x900/0x900
[  289.461783]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  289.467506]  ? trace_hardirqs_on+0xbd/0x310
[  289.471826]  ? kasan_check_read+0x11/0x20
[  289.475964]  ? __run_timers+0x7da/0xc70
[  289.479929]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  289.485938]  ? kasan_check_write+0x14/0x20
[  289.490169]  ? do_raw_spin_lock+0xc1/0x200
[  289.494406]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.498634]  __run_timers+0x7e5/0xc70
[  289.502436]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  289.507792]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  289.512802]  ? timerqueue_add+0x207/0x2b0
[  289.516940]  ? enqueue_hrtimer+0x1a5/0x560
[  289.521164]  ? lock_release+0x970/0x970
[  289.525130]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  289.530315]  ? kasan_check_write+0x14/0x20
[  289.534543]  ? pvclock_read_flags+0x160/0x160
[  289.539031]  ? lock_downgrade+0x900/0x900
[  289.543210]  ? trace_hardirqs_on+0xbd/0x310
[  289.547522]  ? kvm_sched_clock_read+0x9/0x20
[  289.551920]  ? irq_exit+0x17f/0x1c0
[  289.555539]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.561080]  ? check_preemption_disabled+0x48/0x200
[  289.566089]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.571623]  run_timer_softirq+0x52/0xb0
[  289.575677]  ? __this_cpu_preempt_check+0x1c/0x1f
[  289.580511]  __do_softirq+0x30b/0xad8
[  289.584306]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  289.589508]  ? pvclock_read_flags+0x160/0x160
[  289.593990]  ? lapic_next_event+0x5a/0x90
[  289.598129]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.603657]  ? clockevents_program_event+0x140/0x370
[  289.608752]  ? kvm_clock_read+0x18/0x30
[  289.612717]  ? kvm_sched_clock_read+0x9/0x20
[  289.617120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.622647]  ? check_preemption_disabled+0x48/0x200
[  289.627675]  irq_exit+0x17f/0x1c0
[  289.631138]  smp_apic_timer_interrupt+0x1cb/0x760
[  289.635987]  ? smp_reschedule_interrupt+0x109/0x650
[  289.640998]  ? smp_call_function_single_interrupt+0x650/0x650
[  289.646881]  ? interrupt_entry+0xb5/0xf0
[  289.650932]  ? trace_hardirqs_off_caller+0xbb/0x310
[  289.655936]  ? trace_hardirqs_off_caller+0xbb/0x310
[  289.660943]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  289.665778]  ? trace_hardirqs_on_caller+0x310/0x310
[  289.670804]  ? trace_hardirqs_on_caller+0x310/0x310
[  289.675813]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.681364]  ? check_preemption_disabled+0x48/0x200
[  289.686389]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  289.691234]  apic_timer_interrupt+0xf/0x20
[  289.695463]  </IRQ>
[  289.697694] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  289.702614] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  289.721505] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  289.729210] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  289.736492] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  289.743755] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  289.751053] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  289.758312] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  289.765610]  ? trace_hardirqs_on+0xb4/0x310
[  289.769929]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.775465]  skb_clone+0x1bb/0x500
[  289.778999]  ? finish_task_switch+0x2f5/0x900
[  289.783483]  ? skb_split+0x11e0/0x11e0
[  289.787365]  ? preempt_notifier_register+0x200/0x200
[  289.792456]  ? __switch_to_asm+0x34/0x70
[  289.796506]  ? __switch_to_asm+0x34/0x70
[  289.800556]  ? __switch_to_asm+0x40/0x70
[  289.804605]  ? __switch_to_asm+0x34/0x70
[  289.808653]  ? __switch_to_asm+0x40/0x70
[  289.812715]  ? __switch_to_asm+0x34/0x70
[  289.816773]  ? __switch_to_asm+0x40/0x70
[  289.820823]  ? __switch_to_asm+0x34/0x70
[  289.824871]  ? __switch_to_asm+0x34/0x70
[  289.828923]  ? __switch_to_asm+0x40/0x70
[  289.832972]  ? __switch_to_asm+0x34/0x70
[  289.837041]  bpf_clone_redirect+0xb9/0x490
[  289.841271]  ? __schedule+0x874/0x1ed0
[  289.845151]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  289.850071]  ? __sched_text_start+0x8/0x8
[  289.854213]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  289.858982]  ? retint_kernel+0x2d/0x2d
[  289.862866]  ? lock_acquire+0x1ed/0x520
[  289.866830]  ? bpf_test_run+0x32e/0x5a0
[  289.870796]  ? lock_release+0x970/0x970
[  289.874760]  ? preempt_schedule+0x4d/0x60
[  289.878899]  ? preempt_schedule_common+0x1f/0xd0
[  289.883649]  ? preempt_schedule+0x4d/0x60
[  289.887791]  ? ___preempt_schedule+0x16/0x18
[  289.892310]  ? bpf_test_run+0x1c0/0x5a0
[  289.896278]  ? netlink_diag_dump+0x2a0/0x2a0
[  289.900681]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.906207]  ? bpf_test_init.isra.9+0x70/0x100
[  289.910898]  ? bpf_prog_test_run_skb+0x634/0xb40
[  289.915649]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  289.920480]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  289.926005]  ? fput+0x130/0x1a0
[  289.929278]  ? __bpf_prog_get+0x9b/0x290
[  289.933329]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  289.938158]  ? bpf_prog_test_run+0x130/0x1a0
[  289.942556]  ? __x64_sys_bpf+0x3d8/0x510
[  289.946604]  ? bpf_prog_get+0x20/0x20
[  289.950402]  ? do_syscall_64+0x1b9/0x820
[  289.954455]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  289.959814]  ? syscall_return_slowpath+0x5e0/0x5e0
[  289.964737]  ? trace_hardirqs_on_caller+0x310/0x310
[  289.969844]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  289.974852]  ? recalc_sigpending_tsk+0x180/0x180
[  289.979599]  ? kasan_check_write+0x14/0x20
[  289.983826]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  289.988657]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  289.994030] warn_alloc_show_mem: 1 callbacks suppressed
[  289.994039] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  289.994040] Mem-Info:
[  289.994068] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  289.994068]  active_file:16 inactive_file:17 isolated_file:0
[  289.994068]  unevictable:0 dirty:0 writeback:0 unstable:0
[  289.994068]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  289.994068]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  289.994068]  free:13792 free_pcp:309 free_cma:0
[  289.999902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  290.006734] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  290.009122] Call Trace:
[  290.042152] Node 0 
[  290.051500]  dump_stack+0x1c4/0x2b4
[  290.079340] 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
[  290.081901]  ? dump_stack_print_info.cold.2+0x52/0x52
[  290.084099] lowmem_reserve[]:
[  290.087711]  ? isolate_lru_page+0x22e0/0x22e0
[  290.113691]  0
[  290.118880]  warn_alloc.cold.119+0xb7/0x1bd
[  290.121944]  2819
[  290.126422]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  290.128185]  6323 6323
[  290.132500]  ? lock_downgrade+0x900/0x900
[  290.134533] Node 0 
[  290.139360]  ? trace_hardirqs_off+0xb8/0x310
[  290.141848] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  290.145970]  ? trace_hardirqs_off+0xb8/0x310
[  290.148173] lowmem_reserve[]:
[  290.152569]  __alloc_pages_slowpath+0x2667/0x2d80
[  290.179511]  0
[  290.183930]  ? mark_held_locks+0x130/0x130
[  290.187001]  0
[  290.191829]  ? warn_alloc+0x120/0x120
[  290.193601]  3503
[  290.197819]  ? warn_alloc+0x120/0x120
[  290.199591]  3503
[  290.203376]  ? warn_alloc+0x120/0x120
[  290.209219]  ? mark_held_locks+0x130/0x130
[  290.211257] Node 0 
[  290.215044]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.219277] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  290.219283] lowmem_reserve[]:
[  290.221510]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.227017]  0
[  290.255372]  ? should_fail+0x22d/0xd01
[  290.258446]  0
[  290.264231]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  290.266010]  0
[  290.269897]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.271677]  0
[  290.277311]  ? should_fail+0x22d/0xd01
[  290.285515]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  290.287304] Node 0 
[  290.291176]  ? should_fail+0x22d/0xd01
[  290.296259] DMA: 1*4kB 
[  290.298492]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  290.302346] (U) 
[  290.304917]  ? mark_held_locks+0x130/0x130
[  290.309984] 0*8kB 0*16kB 
[  290.311954]  ? mark_held_locks+0x130/0x130
[  290.316169] 1*32kB 
[  290.318921]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.323122] (U) 
[  290.325355]  ? trace_hardirqs_off+0xb8/0x310
[  290.330860] 2*64kB 
[  290.332819]  ? kasan_check_read+0x11/0x20
[  290.337197] (U) 1*128kB 
[  290.339428]  ? do_raw_spin_unlock+0xa7/0x2f0
[  290.343540] (U) 
[  290.346201]  ? trace_hardirqs_on+0x310/0x310
[  290.350578] 1*256kB (U) 
[  290.352548]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.356921] 0*512kB 
[  290.360015]  ? wq_watchdog_touch+0x9c/0xfe
[  290.365520] 1*1024kB 
[  290.367831]  ? io_serial_in+0x11/0x90
[  290.372030] (U) 
[  290.374426]  ? retint_kernel+0x2d/0x2d
[  290.378202] 1*2048kB 
[  290.380164]  ? trace_hardirqs_on_caller+0xc0/0x310
[  290.384027] (M) 
[  290.386422]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  290.391316] 3*4096kB 
[  290.393276]  ? trace_hardirqs_off+0x310/0x310
[  290.398000] (M) 
[  290.400397]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  290.404855] = 15908kB
[  290.404862] Node 0 
[  290.406828]  __alloc_pages_nodemask+0xa80/0xde0
[  290.411898] DMA32: 6*4kB 
[  290.414301]  ? should_fail+0x22d/0xd01
[  290.416506] (UME) 
[  290.421633]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  290.424376] 2*8kB 
[  290.428259]  ? ____cache_alloc_node+0x1c7/0x1e0
[  290.430387] (UE) 
[  290.435387]  ? lock_downgrade+0x900/0x900
[  290.437516] 4*16kB 
[  290.442181]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.444215] (UME) 
[  290.450727]  cache_grow_begin+0x91/0x8c0
[  290.450744]  ? do_raw_spin_unlock+0xa7/0x2f0
[  290.452962] 4*32kB 
[  290.458506]  fallback_alloc+0x203/0x2e0
[  290.460617] (UME) 
[  290.464681]  ____cache_alloc_node+0x1c7/0x1e0
[  290.471806] 5*64kB (ME) 
[  290.474047]  kmem_cache_alloc_node+0xe3/0x730
[  290.477988] 5*128kB 
[  290.480122]  ? ipv6_get_ifaddr+0x42e/0x620
[  290.485285] (UME) 
[  290.489567]  __alloc_skb+0x119/0x770
[  290.494028] 4*256kB 
[  290.496337]  ? skb_scrub_packet+0x490/0x490
[  290.500542] (ME) 
[  290.502678]  ? lock_downgrade+0x900/0x900
[  290.506353] 5*512kB (UME) 
[  290.508669]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.512970] 4*1024kB 
[  290.515016]  ? refcount_sub_and_test_checked+0x203/0x310
[  290.519122] (UME) 2*2048kB 
[  290.521963]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  290.527465] (ME) 3*4096kB 
[  290.529871]  ? addrconf_rs_timer+0x690/0x690
[  290.535288] (M) 
[  290.538211]  ndisc_alloc_skb+0x144/0x340
[  290.543623] = 25256kB
[  290.543630] Node 0 
[  290.546459]  ndisc_send_rs+0x331/0x6e0
[  290.550828] Normal: 1063*4kB 
[  290.552797]  addrconf_rs_timer+0x314/0x690
[  290.556825] (UMEH) 
[  290.559219]  ? lock_release+0x970/0x970
[  290.561428] 420*8kB 
[  290.565299]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.568373] (UME) 
[  290.572616]  call_timer_fn+0x272/0x920
[  290.574820] 170*16kB 
[  290.578777]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.581070] (UMEH) 
[  290.585288]  ? process_timeout+0x40/0x40
[  290.587409] 65*32kB 
[  290.591277]  ? kasan_check_read+0x11/0x20
[  290.593665] (UME) 
[  290.597888]  ? do_raw_spin_unlock+0xa7/0x2f0
[  290.600091] 9*64kB 
[  290.604133]  ? trace_hardirqs_on+0x310/0x310
[  290.606427] (UM) 
[  290.610561]  ? __run_timers+0x7da/0xc70
[  290.612681] 0*128kB 
[  290.617075]  ? lock_downgrade+0x900/0x900
[  290.619281] 0*256kB 
[  290.623672]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  290.625706] 0*512kB 
[  290.629661]  ? trace_hardirqs_on+0xbd/0x310
[  290.631955] 1*1024kB 
[  290.636083]  ? kasan_check_read+0x11/0x20
[  290.638374] (H) 
[  290.643461]  ? __run_timers+0x7da/0xc70
[  290.645755] 0*2048kB 
[  290.650069]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  290.652447] 0*4096kB 
[  290.656576]  ? kasan_check_write+0x14/0x20
[  290.658775] = 14012kB
[  290.665750]  ? do_raw_spin_lock+0xc1/0x200
[  290.668137] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  290.673565]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.675947] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  290.680166]  __run_timers+0x7e5/0xc70
[  290.682561] 4986 total pagecache pages
[  290.686775]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  290.695580] 0 pages in swap cache
[  290.699793]  ? compat_start_thread+0x80/0x80
[  290.699806]  ? dequeue_entity+0x1770/0x1770
[  290.708353] Swap cache stats: add 0, delete 0, find 0/0
[  290.712147]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.716020] Free swap  = 0kB
[  290.721366]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.724789] Total swap = 0kB
[  290.729191]  ? kasan_check_write+0x14/0x20
[  290.733482] 1965979 pages RAM
[  290.738829]  ? finish_task_switch+0x2f5/0x900
[  290.744333] 0 pages HighMem/MovableOnly
[  290.747336]  ? __switch_to_asm+0x40/0x70
[  290.752837] 342307 pages reserved
[  290.752843] 0 pages cma reserved
[  290.755850]  ? preempt_notifier_register+0x200/0x200
[  290.760100] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  290.763141]  ? __switch_to_asm+0x34/0x70
[  290.767649] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  290.771564]  ? __switch_to_asm+0x40/0x70
[  290.775596] syz-executor4 cpuset=
[  290.779031]  ? __switch_to_asm+0x34/0x70
[  290.782364] syz4
[  290.787450]  ? __switch_to_asm+0x40/0x70
[  290.793910]  mems_allowed=0
[  290.797951]  ? __switch_to_asm+0x34/0x70
[  290.835551]  ? __switch_to_asm+0x40/0x70
[  290.839618]  ? pvclock_read_flags+0x160/0x160
[  290.844108]  ? __schedule+0x874/0x1ed0
[  290.847988]  ? run_rebalance_domains+0x38d/0x500
[  290.852738]  ? trace_hardirqs_on+0xbd/0x310
[  290.857050]  ? kvm_sched_clock_read+0x9/0x20
[  290.861452]  ? run_ksoftirqd+0x94/0x100
[  290.865424]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.870953]  ? check_preemption_disabled+0x48/0x200
[  290.875962]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.881983]  run_timer_softirq+0x52/0xb0
[  290.886037]  ? __this_cpu_preempt_check+0x1c/0x1f
[  290.890870]  __do_softirq+0x30b/0xad8
[  290.894673]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  290.899768]  ? trace_hardirqs_off+0xb8/0x310
[  290.904171]  ? schedule+0x108/0x460
[  290.907793]  ? __schedule+0x1ed0/0x1ed0
[  290.911761]  ? run_ksoftirqd+0x99/0x100
[  290.915725]  ? trace_hardirqs_off+0xb8/0x310
[  290.920147]  ? ___might_sleep+0x1ed/0x300
[  290.924285]  ? smpboot_thread_fn+0x68b/0xa00
[  290.928786]  ? trace_hardirqs_on+0x310/0x310
[  290.933185]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.938711]  ? check_preemption_disabled+0x48/0x200
[  290.943719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.949258]  ? takeover_tasklets+0xa90/0xa90
[  290.953663]  run_ksoftirqd+0x94/0x100
[  290.957453]  smpboot_thread_fn+0x68b/0xa00
[  290.961681]  ? sort_range+0x30/0x30
[  290.965302]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  290.970416]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.975945]  ? __kthread_parkme+0xfb/0x1a0
[  290.980529]  kthread+0x35a/0x420
[  290.983893]  ? sort_range+0x30/0x30
[  290.987581]  ? kthread_bind+0x40/0x40
[  290.991885]  ret_from_fork+0x3a/0x50
[  290.995599] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  290.995647] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  291.002861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  291.002865] Call Trace:
[  291.002869]  <IRQ>
[  291.002885]  dump_stack+0x1c4/0x2b4
[  291.002902]  ? dump_stack_print_info.cold.2+0x52/0x52
[  291.009419] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  291.018724]  warn_alloc.cold.119+0xb7/0x1bd
[  291.021277] ksoftirqd/1 cpuset=
[  291.023427]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  291.027020] /
[  291.032213]  ? lock_downgrade+0x900/0x900
[  291.042493]  mems_allowed=0
[  291.046803]  ? trace_hardirqs_off+0xb8/0x310
[  291.067997]  ? trace_hardirqs_off+0xb8/0x310
[  291.072403]  __alloc_pages_slowpath+0x2667/0x2d80
[  291.077251]  ? warn_alloc+0x120/0x120
[  291.081047]  ? warn_alloc+0x120/0x120
[  291.084838]  ? warn_alloc+0x120/0x120
[  291.088627]  ? mark_held_locks+0x130/0x130
[  291.092853]  ? trace_hardirqs_on+0x310/0x310
[  291.097252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.102777]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.108308]  ? should_fail+0x22d/0xd01
[  291.112185]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  291.117284]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.122812]  ? should_fail+0x22d/0xd01
[  291.126706]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  291.131799]  ? should_fail+0x22d/0xd01
[  291.135683]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  291.140780]  ? mark_held_locks+0x130/0x130
[  291.145004]  ? mark_held_locks+0x130/0x130
[  291.149230]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.154759]  ? trace_hardirqs_off+0xb8/0x310
[  291.159159]  ? kasan_check_read+0x11/0x20
[  291.163300]  ? do_raw_spin_unlock+0xa7/0x2f0
[  291.167709]  ? trace_hardirqs_on+0x310/0x310
[  291.172109]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.177642]  ? wq_watchdog_touch+0x9c/0xfe
[  291.181869]  ? io_serial_in+0x11/0x90
[  291.185797]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.191330]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  291.196448]  __alloc_pages_nodemask+0xa80/0xde0
[  291.201104]  ? should_fail+0x22d/0xd01
[  291.204996]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  291.210020]  ? ____cache_alloc_node+0x1c7/0x1e0
[  291.214682]  ? lock_downgrade+0x900/0x900
[  291.218827]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.224368]  cache_grow_begin+0x91/0x8c0
[  291.228893]  ? do_raw_spin_unlock+0xa7/0x2f0
[  291.233295]  fallback_alloc+0x203/0x2e0
[  291.237274]  ____cache_alloc_node+0x1c7/0x1e0
[  291.241759]  kmem_cache_alloc_node+0xe3/0x730
[  291.246252]  ? ipv6_get_ifaddr+0x42e/0x620
[  291.250480]  __alloc_skb+0x119/0x770
[  291.254184]  ? skb_scrub_packet+0x490/0x490
[  291.258497]  ? lock_downgrade+0x900/0x900
[  291.262637]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.268165]  ? refcount_sub_and_test_checked+0x203/0x310
[  291.273625]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  291.279067]  ? addrconf_rs_timer+0x690/0x690
[  291.283468]  ndisc_alloc_skb+0x144/0x340
[  291.287525]  ndisc_send_rs+0x331/0x6e0
[  291.291406]  addrconf_rs_timer+0x314/0x690
[  291.295634]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.299868]  call_timer_fn+0x272/0x920
[  291.303746]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.307972]  ? process_timeout+0x40/0x40
[  291.312021]  ? trace_hardirqs_off+0xb8/0x310
[  291.316418]  ? kasan_check_read+0x11/0x20
[  291.320558]  ? do_raw_spin_unlock+0xa7/0x2f0
[  291.324954]  ? trace_hardirqs_on+0x310/0x310
[  291.329351]  ? __run_timers+0x7da/0xc70
[  291.333314]  ? lock_downgrade+0x900/0x900
[  291.337451]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  291.342546]  ? trace_hardirqs_on+0xbd/0x310
[  291.346854]  ? kasan_check_read+0x11/0x20
[  291.350989]  ? __run_timers+0x7da/0xc70
[  291.354956]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  291.360397]  ? kasan_check_write+0x14/0x20
[  291.364625]  ? do_raw_spin_lock+0xc1/0x200
[  291.368851]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.373087]  __run_timers+0x7e5/0xc70
[  291.376908]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  291.382267]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  291.387276]  ? timerqueue_add+0x207/0x2b0
[  291.391426]  ? enqueue_hrtimer+0x1a5/0x560
[  291.395652]  ? lock_release+0x970/0x970
[  291.399637]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  291.404820]  ? kasan_check_write+0x14/0x20
[  291.409047]  ? pvclock_read_flags+0x160/0x160
[  291.413529]  ? lock_downgrade+0x900/0x900
[  291.417670]  ? trace_hardirqs_on+0xbd/0x310
[  291.421978]  ? kvm_sched_clock_read+0x9/0x20
[  291.426375]  ? irq_exit+0x17f/0x1c0
[  291.429990]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.435520]  ? check_preemption_disabled+0x48/0x200
[  291.440528]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.446172]  run_timer_softirq+0x52/0xb0
[  291.452757]  ? __this_cpu_preempt_check+0x1c/0x1f
[  291.457592]  __do_softirq+0x30b/0xad8
[  291.461388]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  291.466482]  ? pvclock_read_flags+0x160/0x160
[  291.472043]  ? lapic_next_event+0x5a/0x90
[  291.476181]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.481705]  ? clockevents_program_event+0x140/0x370
[  291.487442]  ? kvm_clock_read+0x18/0x30
[  291.491402]  ? kvm_sched_clock_read+0x9/0x20
[  291.495804]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.501332]  ? check_preemption_disabled+0x48/0x200
[  291.506347]  irq_exit+0x17f/0x1c0
[  291.509960]  smp_apic_timer_interrupt+0x1cb/0x760
[  291.514831]  ? smp_reschedule_interrupt+0x109/0x650
[  291.519858]  ? smp_call_function_single_interrupt+0x650/0x650
[  291.525730]  ? interrupt_entry+0xb5/0xf0
[  291.529785]  ? trace_hardirqs_off_caller+0xbb/0x310
[  291.534792]  ? trace_hardirqs_off_caller+0xbb/0x310
[  291.539920]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  291.544756]  ? trace_hardirqs_on_caller+0x310/0x310
[  291.549766]  ? trace_hardirqs_on_caller+0x310/0x310
[  291.554773]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.560302]  ? check_preemption_disabled+0x48/0x200
[  291.565312]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  291.570152]  apic_timer_interrupt+0xf/0x20
[  291.574370]  </IRQ>
[  291.576599] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  291.581521] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  291.600410] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  291.608114] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  291.615373] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  291.622645] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  291.629900] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  291.637155] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  291.644423]  ? trace_hardirqs_on+0xb4/0x310
[  291.648741]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.654270]  skb_clone+0x1bb/0x500
[  291.657802]  ? finish_task_switch+0x2f5/0x900
[  291.662287]  ? skb_split+0x11e0/0x11e0
[  291.666171]  ? preempt_notifier_register+0x200/0x200
[  291.671263]  ? __switch_to_asm+0x34/0x70
[  291.675312]  ? __switch_to_asm+0x34/0x70
[  291.679362]  ? __switch_to_asm+0x40/0x70
[  291.683419]  ? __switch_to_asm+0x34/0x70
[  291.687487]  ? __switch_to_asm+0x40/0x70
[  291.691543]  ? __switch_to_asm+0x34/0x70
[  291.695590]  ? __switch_to_asm+0x40/0x70
[  291.699639]  ? __switch_to_asm+0x34/0x70
[  291.703839]  ? __switch_to_asm+0x34/0x70
[  291.707899]  ? __switch_to_asm+0x40/0x70
[  291.711941]  ? __switch_to_asm+0x34/0x70
[  291.716012]  bpf_clone_redirect+0xb9/0x490
[  291.720241]  ? __schedule+0x874/0x1ed0
[  291.724120]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  291.729042]  ? __sched_text_start+0x8/0x8
[  291.733186]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  291.737951]  ? retint_kernel+0x2d/0x2d
[  291.741836]  ? lock_acquire+0x1ed/0x520
[  291.745800]  ? bpf_test_run+0x32e/0x5a0
[  291.749765]  ? lock_release+0x970/0x970
[  291.753727]  ? preempt_schedule+0x4d/0x60
[  291.757870]  ? preempt_schedule_common+0x1f/0xd0
[  291.762619]  ? preempt_schedule+0x4d/0x60
[  291.766756]  ? ___preempt_schedule+0x16/0x18
[  291.771151]  ? bpf_test_run+0x1c0/0x5a0
[  291.775121]  ? netlink_diag_dump+0x2a0/0x2a0
[  291.779521]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.785046]  ? bpf_test_init.isra.9+0x70/0x100
[  291.789630]  ? bpf_prog_test_run_skb+0x634/0xb40
[  291.794377]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  291.799210]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  291.804733]  ? fput+0x130/0x1a0
[  291.808014]  ? __bpf_prog_get+0x9b/0x290
[  291.812070]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  291.816902]  ? bpf_prog_test_run+0x130/0x1a0
[  291.821410]  ? __x64_sys_bpf+0x3d8/0x510
[  291.825632]  ? bpf_prog_get+0x20/0x20
[  291.829431]  ? do_syscall_64+0x1b9/0x820
[  291.833481]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  291.838832]  ? syscall_return_slowpath+0x5e0/0x5e0
[  291.843751]  ? trace_hardirqs_on_caller+0x310/0x310
[  291.848761]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  291.853769]  ? recalc_sigpending_tsk+0x180/0x180
[  291.858525]  ? kasan_check_write+0x14/0x20
[  291.862762]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  291.867594]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  291.872965] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  291.872970] warn_alloc_show_mem: 1 callbacks suppressed
[  291.872976] Mem-Info:
[  291.879806] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  291.885163] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  291.885163]  active_file:16 inactive_file:17 isolated_file:0
[  291.885163]  unevictable:0 dirty:0 writeback:0 unstable:0
[  291.885163]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  291.885163]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  291.885163]  free:13792 free_pcp:309 free_cma:0
[  291.887528] Call Trace:
[  291.896896] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  291.931419]  dump_stack+0x1c4/0x2b4
[  291.933969] Node 0 
[  291.961805]  ? dump_stack_print_info.cold.2+0x52/0x52
[  291.965419] 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
[  291.969619]  ? isolate_lru_page+0x22e0/0x22e0
[  291.974774] lowmem_reserve[]:
[  292.000754]  warn_alloc.cold.119+0xb7/0x1bd
[  292.005226]  0
[  292.008315]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  292.012622]  2819
[  292.014879]  ? lock_downgrade+0x900/0x900
[  292.019703]  6323
[  292.021758]  ? trace_hardirqs_off+0xb8/0x310
[  292.025875]  6323
[  292.027922]  ? trace_hardirqs_off+0xb8/0x310
[  292.034433]  __alloc_pages_slowpath+0x2667/0x2d80
[  292.038810] Node 0 DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  292.044198]  ? mark_held_locks+0x130/0x130
[  292.044214]  ? warn_alloc+0x120/0x120
[  292.071768] lowmem_reserve[]:
[  292.076000]  ? warn_alloc+0x120/0x120
[  292.079768]  0
[  292.082858]  ? warn_alloc+0x120/0x120
[  292.086633]  0 3503
[  292.088428]  ? mark_held_locks+0x130/0x130
[  292.092198]  3503
[  292.094438]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.100689]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.106193] Node 0 
[  292.112125]  ? should_fail+0x22d/0xd01
[  292.112150] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  292.112157] lowmem_reserve[]:
[  292.114389]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  292.118251]  0
[  292.146930]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.150001]  0
[  292.155086]  ? should_fail+0x22d/0xd01
[  292.156856]  0
[  292.162380]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  292.164151]  0
[  292.168025]  ? should_fail+0x22d/0xd01
[  292.174903]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  292.176675] Node 0 
[  292.180550]  ? mark_held_locks+0x130/0x130
[  292.185616] DMA: 1*4kB 
[  292.187848]  ? mark_held_locks+0x130/0x130
[  292.192058] (U) 
[  292.194629]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.198829] 0*8kB 
[  292.200788]  ? trace_hardirqs_off+0xb8/0x310
[  292.206306] 0*16kB 
[  292.208442]  ? kasan_check_read+0x11/0x20
[  292.212812] 1*32kB (U) 
[  292.215157]  ? do_raw_spin_unlock+0xa7/0x2f0
[  292.219269] 2*64kB 
[  292.221835]  ? trace_hardirqs_on+0x310/0x310
[  292.226211] (U) 
[  292.228436]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.232812] 1*128kB 
[  292.234773]  ? wq_watchdog_touch+0x9c/0xfe
[  292.240415] (U) 1*256kB 
[  292.243583]  ? io_serial_in+0x11/0x90
[  292.247779] (U) 0*512kB 
[  292.250446]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.254214] 1*1024kB 
[  292.256873]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  292.262375] (U) 
[  292.264774]  __alloc_pages_nodemask+0xa80/0xde0
[  292.269850] 1*2048kB 
[  292.272726]  ? should_fail+0x22d/0xd01
[  292.277985] (M) 
[  292.280391]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  292.284236] 3*4096kB (M) 
[  292.286216]  ? ____cache_alloc_node+0x1c7/0x1e0
[  292.291187] = 15908kB
[  292.293928]  ? lock_downgrade+0x900/0x900
[  292.298561] Node 0 
[  292.300959]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.305112] DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB
[  292.305165] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB
[  292.305216] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  292.305221] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  292.305224] 4986 total pagecache pages
[  292.305229] 0 pages in swap cache
[  292.305233] Swap cache stats: add 0, delete 0, find 0/0
[  292.305236] Free swap  = 0kB
[  292.305238] Total swap = 0kB
[  292.305242] 1965979 pages RAM
[  292.305244] 0 pages HighMem/MovableOnly
[  292.305247] 342307 pages reserved
[  292.305249] 0 pages cma reserved
[  292.305293] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  292.305328] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  292.305331] syz-executor4 cpuset=syz4 mems_allowed=0
[  292.417383]  cache_grow_begin+0x91/0x8c0
[  292.421437]  ? do_raw_spin_unlock+0xa7/0x2f0
[  292.425841]  fallback_alloc+0x203/0x2e0
[  292.429808]  ____cache_alloc_node+0x1c7/0x1e0
[  292.434810]  kmem_cache_alloc_node+0xe3/0x730
[  292.439301]  ? ipv6_get_ifaddr+0x42e/0x620
[  292.443545]  __alloc_skb+0x119/0x770
[  292.447251]  ? skb_scrub_packet+0x490/0x490
[  292.454042]  ? lock_downgrade+0x900/0x900
[  292.458186]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.463714]  ? refcount_sub_and_test_checked+0x203/0x310
[  292.470877]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  292.476323]  ? addrconf_rs_timer+0x690/0x690
[  292.481199]  ndisc_alloc_skb+0x144/0x340
[  292.486088]  ndisc_send_rs+0x331/0x6e0
[  292.489970]  addrconf_rs_timer+0x314/0x690
[  292.494193]  ? lock_release+0x970/0x970
[  292.498170]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.502400]  call_timer_fn+0x272/0x920
[  292.506299]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.510966]  ? process_timeout+0x40/0x40
[  292.515022]  ? kasan_check_read+0x11/0x20
[  292.519418]  ? do_raw_spin_unlock+0xa7/0x2f0
[  292.523818]  ? trace_hardirqs_on+0x310/0x310
[  292.528221]  ? __run_timers+0x7da/0xc70
[  292.532183]  ? lock_downgrade+0x900/0x900
[  292.536319]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  292.541409]  ? trace_hardirqs_on+0xbd/0x310
[  292.545719]  ? kasan_check_read+0x11/0x20
[  292.549943]  ? __run_timers+0x7da/0xc70
[  292.553909]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  292.559350]  ? kasan_check_write+0x14/0x20
[  292.563574]  ? do_raw_spin_lock+0xc1/0x200
[  292.567804]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.572031]  __run_timers+0x7e5/0xc70
[  292.575831]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  292.581182]  ? compat_start_thread+0x80/0x80
[  292.585578]  ? dequeue_entity+0x1770/0x1770
[  292.589892]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.595417]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.600944]  ? kasan_check_write+0x14/0x20
[  292.605169]  ? finish_task_switch+0x2f5/0x900
[  292.609654]  ? __switch_to_asm+0x40/0x70
[  292.613708]  ? preempt_notifier_register+0x200/0x200
[  292.618803]  ? __switch_to_asm+0x34/0x70
[  292.622855]  ? __switch_to_asm+0x40/0x70
[  292.626901]  ? __switch_to_asm+0x34/0x70
[  292.630951]  ? __switch_to_asm+0x40/0x70
[  292.635006]  ? __switch_to_asm+0x34/0x70
[  292.639059]  ? __switch_to_asm+0x40/0x70
[  292.643129]  ? pvclock_read_flags+0x160/0x160
[  292.647618]  ? __schedule+0x874/0x1ed0
[  292.651493]  ? run_rebalance_domains+0x38d/0x500
[  292.656248]  ? trace_hardirqs_on+0xbd/0x310
[  292.660558]  ? kvm_sched_clock_read+0x9/0x20
[  292.664959]  ? run_ksoftirqd+0x94/0x100
[  292.668930]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.677682]  ? check_preemption_disabled+0x48/0x200
[  292.682689]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.688219]  run_timer_softirq+0x52/0xb0
[  292.692270]  ? __this_cpu_preempt_check+0x1c/0x1f
[  292.697102]  __do_softirq+0x30b/0xad8
[  292.700897]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  292.705994]  ? trace_hardirqs_off+0xb8/0x310
[  292.710402]  ? schedule+0x108/0x460
[  292.714024]  ? __schedule+0x1ed0/0x1ed0
[  292.718003]  ? run_ksoftirqd+0x99/0x100
[  292.721971]  ? trace_hardirqs_off+0xb8/0x310
[  292.726377]  ? ___might_sleep+0x1ed/0x300
[  292.730518]  ? smpboot_thread_fn+0x68b/0xa00
[  292.734914]  ? trace_hardirqs_on+0x310/0x310
[  292.739311]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.744862]  ? check_preemption_disabled+0x48/0x200
[  292.749882]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.755417]  ? takeover_tasklets+0xa90/0xa90
[  292.759825]  run_ksoftirqd+0x94/0x100
[  292.763620]  smpboot_thread_fn+0x68b/0xa00
[  292.767848]  ? sort_range+0x30/0x30
[  292.771473]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  292.776566]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.782097]  ? __kthread_parkme+0xfb/0x1a0
[  292.786326]  kthread+0x35a/0x420
[  292.789680]  ? sort_range+0x30/0x30
[  292.793296]  ? kthread_bind+0x40/0x40
[  292.797587]  ret_from_fork+0x3a/0x50
[  292.801306] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  292.801352] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  292.808574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  292.815118] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  292.824509] Call Trace:
[  292.836069] ksoftirqd/1 cpuset=
[  292.838631]  <IRQ>
[  292.838638] /
[  292.841902]  dump_stack+0x1c4/0x2b4
[  292.844021]  mems_allowed=0
[  292.845719]  ? dump_stack_print_info.cold.2+0x52/0x52
[  292.857402]  warn_alloc.cold.119+0xb7/0x1bd
[  292.861717]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  292.866553]  ? lock_downgrade+0x900/0x900
[  292.870696]  ? trace_hardirqs_off+0xb8/0x310
[  292.875099]  ? trace_hardirqs_off+0xb8/0x310
[  292.879500]  __alloc_pages_slowpath+0x2667/0x2d80
[  292.884349]  ? warn_alloc+0x120/0x120
[  292.888144]  ? warn_alloc+0x120/0x120
[  292.891936]  ? warn_alloc+0x120/0x120
[  292.895723]  ? lock_release+0x970/0x970
[  292.899689]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  292.904868]  ? trace_hardirqs_on+0x310/0x310
[  292.909271]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.914797]  ? should_fail+0x22d/0xd01
[  292.918678]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  292.923772]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.929300]  ? should_fail+0x22d/0xd01
[  292.933183]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  292.938276]  ? should_fail+0x22d/0xd01
[  292.942156]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  292.947252]  ? mark_held_locks+0x130/0x130
[  292.951477]  ? mark_held_locks+0x130/0x130
[  292.955702]  ? kvm_clock_read+0x18/0x30
[  292.959665]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  292.964668]  ? ktime_get+0x2e1/0x440
[  292.968373]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.973900]  ? check_preemption_disabled+0x48/0x200
[  292.978906]  ? kasan_check_read+0x11/0x20
[  292.983047]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  292.988315]  ? rcu_bh_qs+0xc0/0xc0
[  292.991846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.997374]  ? check_preemption_disabled+0x48/0x200
[  293.002382]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  293.007385]  ? widen_string+0xe0/0x2e0
[  293.011271]  __alloc_pages_nodemask+0xa80/0xde0
[  293.015928]  ? should_fail+0x22d/0xd01
[  293.019813]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  293.024834]  ? ____cache_alloc_node+0x1c7/0x1e0
[  293.029496]  ? lock_downgrade+0x900/0x900
[  293.033636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.039170]  cache_grow_begin+0x91/0x8c0
[  293.043225]  ? do_raw_spin_unlock+0xa7/0x2f0
[  293.047625]  fallback_alloc+0x203/0x2e0
[  293.051591]  ____cache_alloc_node+0x1c7/0x1e0
[  293.056077]  kmem_cache_alloc_node+0xe3/0x730
[  293.060563]  ? ipv6_get_ifaddr+0x42e/0x620
[  293.064792]  __alloc_skb+0x119/0x770
[  293.068499]  ? skb_scrub_packet+0x490/0x490
[  293.072810]  ? lock_downgrade+0x900/0x900
[  293.076958]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.082493]  ? refcount_sub_and_test_checked+0x203/0x310
[  293.087936]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  293.093526]  ? addrconf_rs_timer+0x690/0x690
[  293.097942]  ndisc_alloc_skb+0x144/0x340
[  293.102007]  ndisc_send_rs+0x331/0x6e0
[  293.105887]  addrconf_rs_timer+0x314/0x690
[  293.110560]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.114792]  call_timer_fn+0x272/0x920
[  293.118668]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.122894]  ? process_timeout+0x40/0x40
[  293.127050]  ? trace_hardirqs_off+0xb8/0x310
[  293.131463]  ? kasan_check_read+0x11/0x20
[  293.135612]  ? do_raw_spin_unlock+0xa7/0x2f0
[  293.140012]  ? trace_hardirqs_on+0x310/0x310
[  293.144411]  ? __run_timers+0x7da/0xc70
[  293.148373]  ? lock_downgrade+0x900/0x900
[  293.152514]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  293.157604]  ? trace_hardirqs_on+0xbd/0x310
[  293.161911]  ? kasan_check_read+0x11/0x20
[  293.166052]  ? __run_timers+0x7da/0xc70
[  293.170016]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  293.175462]  ? kasan_check_write+0x14/0x20
[  293.179690]  ? do_raw_spin_lock+0xc1/0x200
[  293.183918]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.188155]  __run_timers+0x7e5/0xc70
[  293.191957]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  293.197316]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  293.202322]  ? timerqueue_add+0x207/0x2b0
[  293.206460]  ? enqueue_hrtimer+0x1a5/0x560
[  293.210686]  ? lock_release+0x970/0x970
[  293.214663]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  293.219844]  ? kasan_check_write+0x14/0x20
[  293.224073]  ? pvclock_read_flags+0x160/0x160
[  293.228561]  ? lock_downgrade+0x900/0x900
[  293.232703]  ? trace_hardirqs_on+0xbd/0x310
[  293.237015]  ? kvm_sched_clock_read+0x9/0x20
[  293.241415]  ? irq_exit+0x17f/0x1c0
[  293.245031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.250562]  ? check_preemption_disabled+0x48/0x200
[  293.255568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.261100]  run_timer_softirq+0x52/0xb0
[  293.265152]  ? __this_cpu_preempt_check+0x1c/0x1f
[  293.269991]  __do_softirq+0x30b/0xad8
[  293.273784]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  293.278881]  ? pvclock_read_flags+0x160/0x160
[  293.283367]  ? lapic_next_event+0x5a/0x90
[  293.287503]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.293033]  ? clockevents_program_event+0x140/0x370
[  293.298123]  ? kvm_clock_read+0x18/0x30
[  293.302087]  ? kvm_sched_clock_read+0x9/0x20
[  293.306490]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.312020]  ? check_preemption_disabled+0x48/0x200
[  293.317032]  irq_exit+0x17f/0x1c0
[  293.320475]  smp_apic_timer_interrupt+0x1cb/0x760
[  293.325311]  ? smp_reschedule_interrupt+0x109/0x650
[  293.330320]  ? smp_call_function_single_interrupt+0x650/0x650
[  293.336192]  ? interrupt_entry+0xb5/0xf0
[  293.340254]  ? trace_hardirqs_off_caller+0xbb/0x310
[  293.345258]  ? trace_hardirqs_off_caller+0xbb/0x310
[  293.350264]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  293.355100]  ? trace_hardirqs_on_caller+0x310/0x310
[  293.360107]  ? trace_hardirqs_on_caller+0x310/0x310
[  293.365116]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.370648]  ? check_preemption_disabled+0x48/0x200
[  293.375656]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  293.380492]  apic_timer_interrupt+0xf/0x20
[  293.384709]  </IRQ>
[  293.386944] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  293.391868] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  293.410843] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  293.418540] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  293.425808] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  293.433072] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  293.440334] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  293.447592] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  293.458290]  ? trace_hardirqs_on+0xb4/0x310
[  293.462613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.468300]  skb_clone+0x1bb/0x500
[  293.471826]  ? finish_task_switch+0x2f5/0x900
[  293.476317]  ? skb_split+0x11e0/0x11e0
[  293.480199]  ? preempt_notifier_register+0x200/0x200
[  293.485307]  ? __switch_to_asm+0x34/0x70
[  293.489481]  ? __switch_to_asm+0x34/0x70
[  293.493634]  ? __switch_to_asm+0x40/0x70
[  293.497682]  ? __switch_to_asm+0x34/0x70
[  293.501730]  ? __switch_to_asm+0x40/0x70
[  293.505778]  ? __switch_to_asm+0x34/0x70
[  293.509826]  ? __switch_to_asm+0x40/0x70
[  293.513874]  ? __switch_to_asm+0x34/0x70
[  293.517929]  ? __switch_to_asm+0x34/0x70
[  293.521983]  ? __switch_to_asm+0x40/0x70
[  293.526044]  ? __switch_to_asm+0x34/0x70
[  293.530115]  bpf_clone_redirect+0xb9/0x490
[  293.534366]  ? __schedule+0x874/0x1ed0
[  293.538333]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  293.543257]  ? __sched_text_start+0x8/0x8
[  293.547398]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  293.552146]  ? retint_kernel+0x2d/0x2d
[  293.556026]  ? lock_acquire+0x1ed/0x520
[  293.559990]  ? bpf_test_run+0x32e/0x5a0
[  293.563961]  ? lock_release+0x970/0x970
[  293.567931]  ? preempt_schedule+0x4d/0x60
[  293.572075]  ? preempt_schedule_common+0x1f/0xd0
[  293.576829]  ? preempt_schedule+0x4d/0x60
[  293.580970]  ? ___preempt_schedule+0x16/0x18
[  293.585368]  ? bpf_test_run+0x1c0/0x5a0
[  293.589339]  ? netlink_diag_dump+0x2a0/0x2a0
[  293.593741]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.599276]  ? bpf_test_init.isra.9+0x70/0x100
[  293.603847]  ? bpf_prog_test_run_skb+0x634/0xb40
[  293.608594]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  293.613428]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  293.618954]  ? fput+0x130/0x1a0
[  293.622235]  ? __bpf_prog_get+0x9b/0x290
[  293.626285]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  293.631115]  ? bpf_prog_test_run+0x130/0x1a0
[  293.635511]  ? __x64_sys_bpf+0x3d8/0x510
[  293.639560]  ? bpf_prog_get+0x20/0x20
[  293.643363]  ? do_syscall_64+0x1b9/0x820
[  293.647412]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  293.652766]  ? syscall_return_slowpath+0x5e0/0x5e0
[  293.657689]  ? trace_hardirqs_on_caller+0x310/0x310
[  293.662700]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  293.667708]  ? recalc_sigpending_tsk+0x180/0x180
[  293.672453]  ? kasan_check_write+0x14/0x20
[  293.676946]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  293.681788]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  293.687165] warn_alloc_show_mem: 1 callbacks suppressed
[  293.687174] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  293.687176] Mem-Info:
[  293.687204] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  293.687204]  active_file:16 inactive_file:17 isolated_file:0
[  293.687204]  unevictable:0 dirty:0 writeback:0 unstable:0
[  293.687204]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  293.687204]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  293.687204]  free:13792 free_pcp:309 free_cma:0
[  293.692539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  293.699373] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  293.701759] Call Trace:
[  293.734786] Node 0 
[  293.744132]  dump_stack+0x1c4/0x2b4
[  293.771966] 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
[  293.774525]  ? dump_stack_print_info.cold.2+0x52/0x52
[  293.776728] lowmem_reserve[]:
[  293.780342]  ? isolate_lru_page+0x22e0/0x22e0
[  293.805948]  0 2819
[  293.811633]  warn_alloc.cold.119+0xb7/0x1bd
[  293.814702]  6323
[  293.819638]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  293.821927]  6323
[  293.826251]  ? lock_downgrade+0x900/0x900
[  293.828282] Node 0 
[  293.833111]  ? trace_hardirqs_off+0xb8/0x310
[  293.835165] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  293.839275]  ? trace_hardirqs_off+0xb8/0x310
[  293.841486] lowmem_reserve[]: 0
[  293.845897]  __alloc_pages_slowpath+0x2667/0x2d80
[  293.872837]  0 3503
[  293.877250]  ? mark_held_locks+0x130/0x130
[  293.880489]  3503
[  293.885316]  ? warn_alloc+0x120/0x120
[  293.891743]  ? warn_alloc+0x120/0x120
[  293.893777] Node 0 
[  293.897560]  ? warn_alloc+0x120/0x120
[  293.901520] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  293.904168]  ? mark_held_locks+0x130/0x130
[  293.908109] lowmem_reserve[]:
[  293.936551]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.940748]  0
[  293.943837]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.949336]  0 0
[  293.951132]  ? should_fail+0x22d/0xd01
[  293.956632]  0
[  293.958598]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  293.964269]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.969342] Node 0 
[  293.974863]  ? should_fail+0x22d/0xd01
[  293.974866] DMA: 1*4kB 
[  293.977101]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  293.980959] (U) 
[  293.983530]  ? should_fail+0x22d/0xd01
[  293.988689] 0*8kB 
[  293.990654]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  293.995174] 0*16kB 
[  293.997308]  ? mark_held_locks+0x130/0x130
[  294.002377] 1*32kB 
[  294.004599]  ? mark_held_locks+0x130/0x130
[  294.008802] (U) 
[  294.011023]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.015218] 2*64kB (U) 
[  294.017185]  ? trace_hardirqs_off+0xb8/0x310
[  294.022692] 1*128kB 
[  294.025257]  ? kasan_check_read+0x11/0x20
[  294.029646] (U) 
[  294.031958]  ? do_raw_spin_unlock+0xa7/0x2f0
[  294.036073] 1*256kB 
[  294.038058]  ? trace_hardirqs_on+0x310/0x310
[  294.042447] (U) 
[  294.044758]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.049131] 0*512kB 1*1024kB 
[  294.051107]  ? wq_watchdog_touch+0x9c/0xfe
[  294.056613] (U) 
[  294.059705]  ? io_serial_in+0x11/0x90
[  294.064003] 1*2048kB 
[  294.065964]  ? retint_kernel+0x2d/0x2d
[  294.069729] (M) 
[  294.072361]  ? trace_hardirqs_on_caller+0xc0/0x310
[  294.076225] 3*4096kB 
[  294.078189]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  294.085858] (M) = 15908kB
[  294.088270]  ? trace_hardirqs_off+0x310/0x310
[  294.092997] Node 0 
[  294.095741]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  294.100209] DMA32: 
[  294.102448]  __alloc_pages_nodemask+0xa80/0xde0
[  294.107975] 6*4kB 
[  294.110210]  ? should_fail+0x22d/0xd01
[  294.114838] (UME) 
[  294.116988]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  294.120835] 2*8kB 
[  294.123109]  ? ____cache_alloc_node+0x1c7/0x1e0
[  294.128081] (UE) 
[  294.130220]  ? lock_downgrade+0x900/0x900
[  294.134852] 4*16kB (UME) 
[  294.136918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.141032] 4*32kB 
[  294.143772]  cache_grow_begin+0x91/0x8c0
[  294.149286] (UME) 
[  294.152222]  ? do_raw_spin_unlock+0xa7/0x2f0
[  294.156252] 5*64kB (ME) 
[  294.158404]  fallback_alloc+0x203/0x2e0
[  294.162787] 5*128kB 
[  294.165445]  ____cache_alloc_node+0x1c7/0x1e0
[  294.169389] (UME) 
[  294.171699]  kmem_cache_alloc_node+0xe3/0x730
[  294.176175] 4*256kB 
[  294.178310]  ? ipv6_get_ifaddr+0x42e/0x620
[  294.182779] (ME) 
[  294.185092]  __alloc_skb+0x119/0x770
[  294.189296] 5*512kB 
[  294.191342]  ? skb_scrub_packet+0x490/0x490
[  294.195022] (UME) 
[  294.197343]  ? lock_downgrade+0x900/0x900
[  294.201631] 4*1024kB 
[  294.203769]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.207886] (UME) 
[  294.210283]  ? refcount_sub_and_test_checked+0x203/0x310
[  294.215787] 2*2048kB 
[  294.217924]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  294.223339] (ME) 
[  294.225735]  ? addrconf_rs_timer+0x690/0x690
[  294.231150] 3*4096kB (M) 
[  294.233208]  ndisc_alloc_skb+0x144/0x340
[  294.237582] = 25256kB
[  294.240327]  ndisc_send_rs+0x331/0x6e0
[  294.244369] Node 0 
[  294.246769]  addrconf_rs_timer+0x314/0x690
[  294.250626] Normal: 
[  294.252848]  ? lock_release+0x970/0x970
[  294.257057] 1063*4kB 
[  294.259365]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.263308] (UMEH) 
[  294.265719]  call_timer_fn+0x272/0x920
[  294.269917] 420*8kB 
[  294.272139]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.276438] (UME) 
[  294.278755]  ? process_timeout+0x40/0x40
[  294.282951] 170*16kB 
[  294.285085]  ? kasan_check_read+0x11/0x20
[  294.289109] (UMEH) 65*32kB 
[  294.291512]  ? do_raw_spin_unlock+0xa7/0x2f0
[  294.295622] (UME) 
[  294.298538]  ? trace_hardirqs_on+0x310/0x310
[  294.302908] 9*64kB (UM) 
[  294.305053]  ? __run_timers+0x7da/0xc70
[  294.309543] 0*128kB 0*256kB 
[  294.312598]  ? lock_downgrade+0x900/0x900
[  294.316547] 0*512kB 
[  294.319557]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  294.323675] 1*1024kB 
[  294.325987]  ? trace_hardirqs_on+0xbd/0x310
[  294.331058] (H) 
[  294.333455]  ? kasan_check_read+0x11/0x20
[  294.337747] 0*2048kB 
[  294.339718]  ? __run_timers+0x7da/0xc70
[  294.343827] 0*4096kB = 14012kB
[  294.346234]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  294.350183] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  294.353738]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.359165] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  294.368495]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.374002] 4986 total pagecache pages
[  294.382565]  __run_timers+0x7e5/0xc70
[  294.386769] 0 pages in swap cache
[  294.390733]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  294.394504] Swap cache stats: add 0, delete 0, find 0/0
[  294.397937]  ? compat_start_thread+0x80/0x80
[  294.403271] Free swap  = 0kB
[  294.408616]  ? dequeue_entity+0x1770/0x1770
[  294.412994] Total swap = 0kB
[  294.415999]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.416014]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.420303] 1965979 pages RAM
[  294.423306]  ? kasan_check_write+0x14/0x20
[  294.428918] 0 pages HighMem/MovableOnly
[  294.428926] 342307 pages reserved
[  294.434447]  ? finish_task_switch+0x2f5/0x900
[  294.437523] 0 pages cma reserved
[  294.441741]  ? __switch_to_asm+0x40/0x70
[  294.445731] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  294.451424]  ? preempt_notifier_register+0x200/0x200
[  294.451436]  ? __switch_to_asm+0x34/0x70
[  294.451445]  ? __switch_to_asm+0x40/0x70
[  294.451458]  ? __switch_to_asm+0x34/0x70
[  294.456059] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  294.459370]  ? __switch_to_asm+0x40/0x70
[  294.463411] syz-executor4 cpuset=
[  294.469883]  ? __switch_to_asm+0x34/0x70
[  294.475961] syz4
[  294.481375]  ? __switch_to_asm+0x40/0x70
[  294.485401]  mems_allowed=0
[  294.489680]  ? pvclock_read_flags+0x160/0x160
[  294.525486]  ? __schedule+0x874/0x1ed0
[  294.529370]  ? run_rebalance_domains+0x38d/0x500
[  294.534122]  ? trace_hardirqs_on+0xbd/0x310
[  294.538432]  ? kvm_sched_clock_read+0x9/0x20
[  294.542837]  ? run_ksoftirqd+0x94/0x100
[  294.546805]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.552345]  ? check_preemption_disabled+0x48/0x200
[  294.557843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.563379]  run_timer_softirq+0x52/0xb0
[  294.567432]  ? __this_cpu_preempt_check+0x1c/0x1f
[  294.572269]  __do_softirq+0x30b/0xad8
[  294.576079]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  294.581174]  ? trace_hardirqs_off+0xb8/0x310
[  294.586115]  ? schedule+0x108/0x460
[  294.589750]  ? __schedule+0x1ed0/0x1ed0
[  294.593720]  ? run_ksoftirqd+0x99/0x100
[  294.597688]  ? trace_hardirqs_off+0xb8/0x310
[  294.602089]  ? ___might_sleep+0x1ed/0x300
[  294.606228]  ? smpboot_thread_fn+0x68b/0xa00
[  294.610627]  ? trace_hardirqs_on+0x310/0x310
[  294.615030]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.620560]  ? check_preemption_disabled+0x48/0x200
[  294.625567]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.631098]  ? takeover_tasklets+0xa90/0xa90
[  294.635499]  run_ksoftirqd+0x94/0x100
[  294.639290]  smpboot_thread_fn+0x68b/0xa00
[  294.643517]  ? sort_range+0x30/0x30
[  294.647134]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  294.652243]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.657769]  ? __kthread_parkme+0xfb/0x1a0
[  294.661996]  kthread+0x35a/0x420
[  294.665355]  ? sort_range+0x30/0x30
[  294.668971]  ? kthread_bind+0x40/0x40
[  294.672762]  ret_from_fork+0x3a/0x50
[  294.676478] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  294.676527] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  294.683756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  294.683766] Call Trace:
[  294.683772]  <IRQ>
[  294.683795]  dump_stack+0x1c4/0x2b4
[  294.690311] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  294.699600]  ? dump_stack_print_info.cold.2+0x52/0x52
[  294.702149] ksoftirqd/1 cpuset=
[  294.704302]  warn_alloc.cold.119+0xb7/0x1bd
[  294.707892] /
[  294.718188]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  294.723350]  mems_allowed=0
[  294.726629]  ? lock_downgrade+0x900/0x900
[  294.745921]  ? trace_hardirqs_off+0xb8/0x310
[  294.750325]  ? trace_hardirqs_off+0xb8/0x310
[  294.754729]  __alloc_pages_slowpath+0x2667/0x2d80
[  294.759679]  ? warn_alloc+0x120/0x120
[  294.763474]  ? warn_alloc+0x120/0x120
[  294.767266]  ? warn_alloc+0x120/0x120
[  294.771060]  ? mark_held_locks+0x130/0x130
[  294.775290]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.780824]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.786358]  ? should_fail+0x22d/0xd01
[  294.790250]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  294.795342]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.800989]  ? should_fail+0x22d/0xd01
[  294.804872]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  294.809981]  ? should_fail+0x22d/0xd01
[  294.813883]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  294.818998]  ? mark_held_locks+0x130/0x130
[  294.823233]  ? mark_held_locks+0x130/0x130
[  294.827468]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.833004]  ? trace_hardirqs_off+0xb8/0x310
[  294.837402]  ? kasan_check_read+0x11/0x20
[  294.841541]  ? do_raw_spin_unlock+0xa7/0x2f0
[  294.845938]  ? trace_hardirqs_on+0x310/0x310
[  294.850339]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.855870]  ? wq_watchdog_touch+0x9c/0xfe
[  294.860101]  ? io_serial_in+0x11/0x90
[  294.863892]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.869424]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  294.874523]  __alloc_pages_nodemask+0xa80/0xde0
[  294.879183]  ? should_fail+0x22d/0xd01
[  294.883065]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  294.888086]  ? ____cache_alloc_node+0x1c7/0x1e0
[  294.892760]  ? lock_downgrade+0x900/0x900
[  294.896901]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.902432]  cache_grow_begin+0x91/0x8c0
[  294.906484]  ? do_raw_spin_unlock+0xa7/0x2f0
[  294.910888]  fallback_alloc+0x203/0x2e0
[  294.914856]  ____cache_alloc_node+0x1c7/0x1e0
[  294.919345]  kmem_cache_alloc_node+0xe3/0x730
[  294.923838]  ? ipv6_get_ifaddr+0x42e/0x620
[  294.928070]  __alloc_skb+0x119/0x770
[  294.931779]  ? skb_scrub_packet+0x490/0x490
[  294.936099]  ? lock_downgrade+0x900/0x900
[  294.940243]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.945768]  ? refcount_sub_and_test_checked+0x203/0x310
[  294.951218]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  294.957617]  ? addrconf_rs_timer+0x690/0x690
[  294.962024]  ndisc_alloc_skb+0x144/0x340
[  294.966076]  ndisc_send_rs+0x331/0x6e0
[  294.969957]  addrconf_rs_timer+0x314/0x690
[  294.974184]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.978417]  call_timer_fn+0x272/0x920
[  294.982295]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.986532]  ? process_timeout+0x40/0x40
[  294.990584]  ? trace_hardirqs_off+0xb8/0x310
[  294.994983]  ? kasan_check_read+0x11/0x20
[  294.999125]  ? do_raw_spin_unlock+0xa7/0x2f0
[  295.003522]  ? trace_hardirqs_on+0x310/0x310
[  295.007925]  ? __run_timers+0x7da/0xc70
[  295.011893]  ? lock_downgrade+0x900/0x900
[  295.016033]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  295.021126]  ? trace_hardirqs_on+0xbd/0x310
[  295.025436]  ? kasan_check_read+0x11/0x20
[  295.029580]  ? __run_timers+0x7da/0xc70
[  295.033545]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  295.038990]  ? kasan_check_write+0x14/0x20
[  295.043223]  ? do_raw_spin_lock+0xc1/0x200
[  295.047458]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.051699]  __run_timers+0x7e5/0xc70
[  295.055502]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  295.060857]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  295.065865]  ? timerqueue_add+0x207/0x2b0
[  295.070007]  ? enqueue_hrtimer+0x1a5/0x560
[  295.074231]  ? lock_release+0x970/0x970
[  295.078198]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  295.083383]  ? kasan_check_write+0x14/0x20
[  295.087614]  ? pvclock_read_flags+0x160/0x160
[  295.092104]  ? lock_downgrade+0x900/0x900
[  295.096246]  ? trace_hardirqs_on+0xbd/0x310
[  295.100555]  ? kvm_sched_clock_read+0x9/0x20
[  295.105216]  ? irq_exit+0x17f/0x1c0
[  295.109271]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.114814]  ? check_preemption_disabled+0x48/0x200
[  295.119822]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.125352]  run_timer_softirq+0x52/0xb0
[  295.129404]  ? __this_cpu_preempt_check+0x1c/0x1f
[  295.134237]  __do_softirq+0x30b/0xad8
[  295.138032]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  295.143127]  ? pvclock_read_flags+0x160/0x160
[  295.147741]  ? lapic_next_event+0x5a/0x90
[  295.151885]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.157407]  ? clockevents_program_event+0x140/0x370
[  295.162504]  ? kvm_clock_read+0x18/0x30
[  295.166471]  ? kvm_sched_clock_read+0x9/0x20
[  295.170873]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.176401]  ? check_preemption_disabled+0x48/0x200
[  295.181414]  irq_exit+0x17f/0x1c0
[  295.184858]  smp_apic_timer_interrupt+0x1cb/0x760
[  295.189692]  ? smp_reschedule_interrupt+0x109/0x650
[  295.194701]  ? smp_call_function_single_interrupt+0x650/0x650
[  295.200577]  ? interrupt_entry+0xb5/0xf0
[  295.204656]  ? trace_hardirqs_off_caller+0xbb/0x310
[  295.209658]  ? trace_hardirqs_off_caller+0xbb/0x310
[  295.214672]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  295.219507]  ? trace_hardirqs_on_caller+0x310/0x310
[  295.224516]  ? trace_hardirqs_on_caller+0x310/0x310
[  295.229644]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.235192]  ? check_preemption_disabled+0x48/0x200
[  295.240227]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  295.245065]  apic_timer_interrupt+0xf/0x20
[  295.249298]  </IRQ>
[  295.251551] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  295.256484] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  295.275401] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  295.283116] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  295.290376] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  295.297637] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  295.304899] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  295.312166] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  295.319441]  ? trace_hardirqs_on+0xb4/0x310
[  295.323772]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.329307]  skb_clone+0x1bb/0x500
[  295.332840]  ? finish_task_switch+0x2f5/0x900
[  295.337328]  ? skb_split+0x11e0/0x11e0
[  295.341205]  ? preempt_notifier_register+0x200/0x200
[  295.346299]  ? __switch_to_asm+0x34/0x70
[  295.350348]  ? __switch_to_asm+0x34/0x70
[  295.354397]  ? __switch_to_asm+0x40/0x70
[  295.358459]  ? __switch_to_asm+0x34/0x70
[  295.362508]  ? __switch_to_asm+0x40/0x70
[  295.366560]  ? __switch_to_asm+0x34/0x70
[  295.370611]  ? __switch_to_asm+0x40/0x70
[  295.374659]  ? __switch_to_asm+0x34/0x70
[  295.378708]  ? __switch_to_asm+0x34/0x70
[  295.382767]  ? __switch_to_asm+0x40/0x70
[  295.386826]  ? __switch_to_asm+0x34/0x70
[  295.390882]  bpf_clone_redirect+0xb9/0x490
[  295.395113]  ? __schedule+0x874/0x1ed0
[  295.399003]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  295.403925]  ? __sched_text_start+0x8/0x8
[  295.408066]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  295.412814]  ? retint_kernel+0x2d/0x2d
[  295.416698]  ? lock_acquire+0x1ed/0x520
[  295.420659]  ? bpf_test_run+0x32e/0x5a0
[  295.424627]  ? lock_release+0x970/0x970
[  295.428589]  ? preempt_schedule+0x4d/0x60
[  295.432726]  ? preempt_schedule_common+0x1f/0xd0
[  295.437479]  ? preempt_schedule+0x4d/0x60
[  295.441615]  ? ___preempt_schedule+0x16/0x18
[  295.446018]  ? bpf_test_run+0x1c0/0x5a0
[  295.451788]  ? netlink_diag_dump+0x2a0/0x2a0
[  295.456188]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.461713]  ? bpf_test_init.isra.9+0x70/0x100
[  295.466653]  ? bpf_prog_test_run_skb+0x634/0xb40
[  295.471401]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  295.476233]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  295.481763]  ? fput+0x130/0x1a0
[  295.485714]  ? __bpf_prog_get+0x9b/0x290
[  295.489776]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  295.494612]  ? bpf_prog_test_run+0x130/0x1a0
[  295.499045]  ? __x64_sys_bpf+0x3d8/0x510
[  295.503097]  ? bpf_prog_get+0x20/0x20
[  295.506905]  ? do_syscall_64+0x1b9/0x820
[  295.510958]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  295.516312]  ? syscall_return_slowpath+0x5e0/0x5e0
[  295.521237]  ? trace_hardirqs_on_caller+0x310/0x310
[  295.526246]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  295.531255]  ? recalc_sigpending_tsk+0x180/0x180
[  295.536109]  ? kasan_check_write+0x14/0x20
[  295.540425]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  295.545261]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  295.550621] warn_alloc_show_mem: 1 callbacks suppressed
[  295.550631] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  295.550633] Mem-Info:
[  295.550661] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  295.550661]  active_file:16 inactive_file:17 isolated_file:0
[  295.550661]  unevictable:0 dirty:0 writeback:0 unstable:0
[  295.550661]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  295.550661]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  295.550661]  free:13792 free_pcp:309 free_cma:0
[  295.555993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  295.562826] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  295.565210] Call Trace:
[  295.598240] Node 0 
[  295.608798]  dump_stack+0x1c4/0x2b4
[  295.636643] 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
[  295.639197]  ? dump_stack_print_info.cold.2+0x52/0x52
[  295.641400] lowmem_reserve[]:
[  295.645017]  ? isolate_lru_page+0x22e0/0x22e0
[  295.670483]  0
[  295.675673]  warn_alloc.cold.119+0xb7/0x1bd
[  295.678761]  2819
[  295.683263]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  295.685031]  6323
[  295.689338]  ? lock_downgrade+0x900/0x900
[  295.691380]  6323
[  295.696209]  ? trace_hardirqs_off+0xb8/0x310
[  295.702370]  ? trace_hardirqs_off+0xb8/0x310
[  295.704402] Node 0 
[  295.708795]  __alloc_pages_slowpath+0x2667/0x2d80
[  295.713194] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  295.715406]  ? mark_held_locks+0x130/0x130
[  295.720209] lowmem_reserve[]:
[  295.747191]  ? warn_alloc+0x120/0x120
[  295.751391]  0
[  295.754478]  ? warn_alloc+0x120/0x120
[  295.758248]  0
[  295.760041]  ? warn_alloc+0x120/0x120
[  295.763803]  3503 3503
[  295.765597]  ? mark_held_locks+0x130/0x130
[  295.771847]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.776049] Node 0 
[  295.782029]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.782061] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  295.784275]  ? should_fail+0x22d/0xd01
[  295.789779] lowmem_reserve[]:
[  295.820455]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  295.824313]  0
[  295.827403]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.832470]  0 0
[  295.834269]  ? should_fail+0x22d/0xd01
[  295.839774]  0
[  295.841740]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  295.845596] Node 0 
[  295.847386]  ? should_fail+0x22d/0xd01
[  295.852457] DMA: 
[  295.854677]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  295.858533] 1*4kB 
[  295.860578]  ? mark_held_locks+0x130/0x130
[  295.865649] (U) 
[  295.867787]  ? mark_held_locks+0x130/0x130
[  295.872004] 0*8kB 
[  295.873963]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.878162] 0*16kB 
[  295.880299]  ? trace_hardirqs_off+0xb8/0x310
[  295.885804] 1*32kB 
[  295.888022]  ? kasan_check_read+0x11/0x20
[  295.892422] (U) 
[  295.894643]  ? do_raw_spin_unlock+0xa7/0x2f0
[  295.898758] 2*64kB (U) 
[  295.900732]  ? trace_hardirqs_on+0x310/0x310
[  295.905110] 1*128kB 
[  295.907679]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.912051] (U) 
[  295.914358]  ? wq_watchdog_touch+0x9c/0xfe
[  295.919864] 1*256kB 
[  295.921825]  ? io_serial_in+0x11/0x90
[  295.926022] (U) 0*512kB 
[  295.928335]  ? retint_kernel+0x2d/0x2d
[  295.932106] 1*1024kB 
[  295.934760]  ? trace_hardirqs_on_caller+0xc0/0x310
[  295.938614] (U) 
[  295.941013]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  295.945908] 1*2048kB 
[  295.947876]  ? trace_hardirqs_off+0x310/0x310
[  295.952607] (M) 
[  295.955002]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  295.959468] 3*4096kB 
[  295.961433]  __alloc_pages_nodemask+0xa80/0xde0
[  295.966498] (M) 
[  295.968892]  ? should_fail+0x22d/0xd01
[  295.973528] = 15908kB
[  295.973535] Node 0 
[  295.975496]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  295.979347] DMA32: 6*4kB 
[  295.981758]  ? ____cache_alloc_node+0x1c7/0x1e0
[  295.983958] (UME) 
[  295.988959]  ? lock_downgrade+0x900/0x900
[  295.991685] 2*8kB 
[  295.996802]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.998919] (UE) 
[  296.003052]  cache_grow_begin+0x91/0x8c0
[  296.005169] 4*16kB 
[  296.010716]  ? do_raw_spin_unlock+0xa7/0x2f0
[  296.012751] (UME) 
[  296.017321]  fallback_alloc+0x203/0x2e0
[  296.019539] 4*32kB 
[  296.023931]  ____cache_alloc_node+0x1c7/0x1e0
[  296.026048] (UME) 
[  296.030008]  kmem_cache_alloc_node+0xe3/0x730
[  296.032212] 5*64kB 
[  296.036693]  ? ipv6_get_ifaddr+0x42e/0x620
[  296.038814] (ME) 
[  296.043297]  __alloc_skb+0x119/0x770
[  296.045502] 5*128kB 
[  296.049725]  ? skb_scrub_packet+0x490/0x490
[  296.051761] (UME) 
[  296.055455]  ? lock_downgrade+0x900/0x900
[  296.057751] 4*256kB 
[  296.062056]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.064171] (ME) 
[  296.068304]  ? refcount_sub_and_test_checked+0x203/0x310
[  296.070593] 5*512kB 
[  296.076115]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  296.078145] (UME) 
[  296.083581]  ? addrconf_rs_timer+0x690/0x690
[  296.085876] 4*1024kB 
[  296.091313]  ndisc_alloc_skb+0x144/0x340
[  296.093427] (UME) 2*2048kB 
[  296.097827]  ndisc_send_rs+0x331/0x6e0
[  296.100203] (ME) 
[  296.104252]  addrconf_rs_timer+0x314/0x690
[  296.107155] 3*4096kB 
[  296.111024]  ? lock_release+0x970/0x970
[  296.113056] (M) 
[  296.117276]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.119653] = 25256kB
[  296.123985]  call_timer_fn+0x272/0x920
[  296.125928] Node 0 
[  296.130151]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.132525] Normal: 
[  296.137343]  ? process_timeout+0x40/0x40
[  296.139554] 1063*4kB 
[  296.143770]  ? kasan_check_read+0x11/0x20
[  296.146061] (UMEH) 
[  296.150106]  ? do_raw_spin_unlock+0xa7/0x2f0
[  296.152484] 420*8kB 
[  296.156612]  ? trace_hardirqs_on+0x310/0x310
[  296.158811] (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB
[  296.158852] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  296.158858] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  296.158861] 4986 total pagecache pages
[  296.158865] 0 pages in swap cache
[  296.158881] Swap cache stats: add 0, delete 0, find 0/0
[  296.158884] Free swap  = 0kB
[  296.158886] Total swap = 0kB
[  296.158890] 1965979 pages RAM
[  296.158892] 0 pages HighMem/MovableOnly
[  296.158895] 342307 pages reserved
[  296.158897] 0 pages cma reserved
[  296.158943] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  296.158995] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  296.158998] syz-executor4 cpuset=syz4 mems_allowed=0
[  296.254543]  ? __run_timers+0x7da/0xc70
[  296.258507]  ? lock_downgrade+0x900/0x900
[  296.262645]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  296.267738]  ? trace_hardirqs_on+0xbd/0x310
[  296.272047]  ? kasan_check_read+0x11/0x20
[  296.277194]  ? __run_timers+0x7da/0xc70
[  296.281164]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  296.286604]  ? kasan_check_write+0x14/0x20
[  296.290831]  ? do_raw_spin_lock+0xc1/0x200
[  296.295059]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.299285]  __run_timers+0x7e5/0xc70
[  296.303085]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  296.308436]  ? compat_start_thread+0x80/0x80
[  296.312832]  ? dequeue_entity+0x1770/0x1770
[  296.317145]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.322673]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.328217]  ? kasan_check_write+0x14/0x20
[  296.332444]  ? finish_task_switch+0x2f5/0x900
[  296.336932]  ? __switch_to_asm+0x40/0x70
[  296.340985]  ? preempt_notifier_register+0x200/0x200
[  296.346077]  ? __switch_to_asm+0x34/0x70
[  296.350127]  ? __switch_to_asm+0x40/0x70
[  296.354177]  ? __switch_to_asm+0x34/0x70
[  296.358227]  ? __switch_to_asm+0x40/0x70
[  296.362763]  ? __switch_to_asm+0x34/0x70
[  296.366815]  ? __switch_to_asm+0x40/0x70
[  296.370873]  ? pvclock_read_flags+0x160/0x160
[  296.375360]  ? __schedule+0x874/0x1ed0
[  296.379243]  ? run_rebalance_domains+0x38d/0x500
[  296.383994]  ? trace_hardirqs_on+0xbd/0x310
[  296.388304]  ? kvm_sched_clock_read+0x9/0x20
[  296.393701]  ? run_ksoftirqd+0x94/0x100
[  296.398377]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.403904]  ? check_preemption_disabled+0x48/0x200
[  296.408907]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.414440]  run_timer_softirq+0x52/0xb0
[  296.418504]  ? __this_cpu_preempt_check+0x1c/0x1f
[  296.423341]  __do_softirq+0x30b/0xad8
[  296.427591]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  296.432695]  ? trace_hardirqs_off+0xb8/0x310
[  296.437097]  ? schedule+0x108/0x460
[  296.440717]  ? __schedule+0x1ed0/0x1ed0
[  296.444688]  ? run_ksoftirqd+0x99/0x100
[  296.448672]  ? trace_hardirqs_off+0xb8/0x310
[  296.455588]  ? ___might_sleep+0x1ed/0x300
[  296.459724]  ? smpboot_thread_fn+0x68b/0xa00
[  296.464124]  ? trace_hardirqs_on+0x310/0x310
[  296.470850]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.478275]  ? check_preemption_disabled+0x48/0x200
[  296.483878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.489407]  ? takeover_tasklets+0xa90/0xa90
[  296.493806]  run_ksoftirqd+0x94/0x100
[  296.498102]  smpboot_thread_fn+0x68b/0xa00
[  296.502328]  ? sort_range+0x30/0x30
[  296.505961]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  296.511056]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.516580]  ? __kthread_parkme+0xfb/0x1a0
[  296.520808]  kthread+0x35a/0x420
[  296.524163]  ? sort_range+0x30/0x30
[  296.527797]  ? kthread_bind+0x40/0x40
[  296.531587]  ret_from_fork+0x3a/0x50
[  296.535302] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  296.535365] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  296.542568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  296.542572] Call Trace:
[  296.542576]  <IRQ>
[  296.542589]  dump_stack+0x1c4/0x2b4
[  296.542614]  ? dump_stack_print_info.cold.2+0x52/0x52
[  296.549119] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  296.558422]  warn_alloc.cold.119+0xb7/0x1bd
[  296.561447] ksoftirqd/1 cpuset=
[  296.563582]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  296.567174] /
[  296.572440]  ? lock_downgrade+0x900/0x900
[  296.582723]  mems_allowed=0
[  296.587025]  ? trace_hardirqs_off+0xb8/0x310
[  296.608217]  ? trace_hardirqs_off+0xb8/0x310
[  296.612621]  __alloc_pages_slowpath+0x2667/0x2d80
[  296.617472]  ? warn_alloc+0x120/0x120
[  296.621264]  ? warn_alloc+0x120/0x120
[  296.625059]  ? warn_alloc+0x120/0x120
[  296.628852]  ? lock_release+0x970/0x970
[  296.632820]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  296.638037]  ? trace_hardirqs_on+0x310/0x310
[  296.642439]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.647964]  ? should_fail+0x22d/0xd01
[  296.651846]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  296.656937]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.662465]  ? should_fail+0x22d/0xd01
[  296.666347]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  296.671452]  ? should_fail+0x22d/0xd01
[  296.675332]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  296.680431]  ? mark_held_locks+0x130/0x130
[  296.684667]  ? mark_held_locks+0x130/0x130
[  296.688904]  ? kvm_clock_read+0x18/0x30
[  296.692870]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  296.697873]  ? ktime_get+0x2e1/0x440
[  296.701577]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.707103]  ? check_preemption_disabled+0x48/0x200
[  296.712110]  ? kasan_check_read+0x11/0x20
[  296.716251]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  296.721519]  ? rcu_bh_qs+0xc0/0xc0
[  296.725052]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.730578]  ? check_preemption_disabled+0x48/0x200
[  296.735583]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  296.740591]  ? widen_string+0xe0/0x2e0
[  296.744471]  __alloc_pages_nodemask+0xa80/0xde0
[  296.749129]  ? should_fail+0x22d/0xd01
[  296.753009]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  296.758026]  ? ____cache_alloc_node+0x1c7/0x1e0
[  296.762690]  ? lock_downgrade+0x900/0x900
[  296.766830]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.772358]  cache_grow_begin+0x91/0x8c0
[  296.776409]  ? do_raw_spin_unlock+0xa7/0x2f0
[  296.780809]  fallback_alloc+0x203/0x2e0
[  296.784776]  ____cache_alloc_node+0x1c7/0x1e0
[  296.789267]  kmem_cache_alloc_node+0xe3/0x730
[  296.793755]  ? ipv6_get_ifaddr+0x42e/0x620
[  296.797985]  __alloc_skb+0x119/0x770
[  296.801704]  ? skb_scrub_packet+0x490/0x490
[  296.806016]  ? lock_downgrade+0x900/0x900
[  296.810157]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.815696]  ? refcount_sub_and_test_checked+0x203/0x310
[  296.821140]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  296.826579]  ? addrconf_rs_timer+0x690/0x690
[  296.830984]  ndisc_alloc_skb+0x144/0x340
[  296.835036]  ndisc_send_rs+0x331/0x6e0
[  296.838926]  addrconf_rs_timer+0x314/0x690
[  296.843153]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.847388]  call_timer_fn+0x272/0x920
[  296.851266]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.855611]  ? process_timeout+0x40/0x40
[  296.859688]  ? trace_hardirqs_off+0xb8/0x310
[  296.864087]  ? kasan_check_read+0x11/0x20
[  296.868227]  ? do_raw_spin_unlock+0xa7/0x2f0
[  296.872634]  ? trace_hardirqs_on+0x310/0x310
[  296.877039]  ? __run_timers+0x7da/0xc70
[  296.881002]  ? lock_downgrade+0x900/0x900
[  296.885144]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  296.890238]  ? trace_hardirqs_on+0xbd/0x310
[  296.894548]  ? kasan_check_read+0x11/0x20
[  296.898687]  ? __run_timers+0x7da/0xc70
[  296.902660]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  296.908101]  ? kasan_check_write+0x14/0x20
[  296.912326]  ? do_raw_spin_lock+0xc1/0x200
[  296.916554]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.920778]  __run_timers+0x7e5/0xc70
[  296.924575]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  296.929931]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  296.934937]  ? timerqueue_add+0x207/0x2b0
[  296.939076]  ? enqueue_hrtimer+0x1a5/0x560
[  296.943300]  ? lock_release+0x970/0x970
[  296.947266]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  296.952618]  ? kasan_check_write+0x14/0x20
[  296.956898]  ? pvclock_read_flags+0x160/0x160
[  296.961384]  ? lock_downgrade+0x900/0x900
[  296.965529]  ? trace_hardirqs_on+0xbd/0x310
[  296.969843]  ? kvm_sched_clock_read+0x9/0x20
[  296.974241]  ? irq_exit+0x17f/0x1c0
[  296.977857]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.983390]  ? check_preemption_disabled+0x48/0x200
[  296.988399]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.993946]  run_timer_softirq+0x52/0xb0
[  296.998000]  ? __this_cpu_preempt_check+0x1c/0x1f
[  297.002836]  __do_softirq+0x30b/0xad8
[  297.006641]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  297.011742]  ? pvclock_read_flags+0x160/0x160
[  297.016230]  ? lapic_next_event+0x5a/0x90
[  297.020375]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.025902]  ? clockevents_program_event+0x140/0x370
[  297.030997]  ? kvm_clock_read+0x18/0x30
[  297.034959]  ? kvm_sched_clock_read+0x9/0x20
[  297.039358]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.044885]  ? check_preemption_disabled+0x48/0x200
[  297.049896]  irq_exit+0x17f/0x1c0
[  297.053341]  smp_apic_timer_interrupt+0x1cb/0x760
[  297.058171]  ? smp_reschedule_interrupt+0x109/0x650
[  297.063178]  ? smp_call_function_single_interrupt+0x650/0x650
[  297.069049]  ? interrupt_entry+0xb5/0xf0
[  297.073099]  ? trace_hardirqs_off_caller+0xbb/0x310
[  297.078103]  ? trace_hardirqs_off_caller+0xbb/0x310
[  297.083108]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  297.087940]  ? trace_hardirqs_on_caller+0x310/0x310
[  297.092957]  ? trace_hardirqs_on_caller+0x310/0x310
[  297.097963]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.103507]  ? check_preemption_disabled+0x48/0x200
[  297.109002]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  297.113838]  apic_timer_interrupt+0xf/0x20
[  297.118057]  </IRQ>
[  297.120288] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  297.125209] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  297.144102] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  297.151800] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  297.159060] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  297.166317] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  297.173574] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  297.180833] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  297.188105]  ? trace_hardirqs_on+0xb4/0x310
[  297.192423]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.197954]  skb_clone+0x1bb/0x500
[  297.201482]  ? finish_task_switch+0x2f5/0x900
[  297.205968]  ? skb_split+0x11e0/0x11e0
[  297.209847]  ? preempt_notifier_register+0x200/0x200
[  297.214933]  ? __switch_to_asm+0x34/0x70
[  297.218993]  ? __switch_to_asm+0x34/0x70
[  297.223042]  ? __switch_to_asm+0x40/0x70
[  297.227092]  ? __switch_to_asm+0x34/0x70
[  297.231140]  ? __switch_to_asm+0x40/0x70
[  297.235198]  ? __switch_to_asm+0x34/0x70
[  297.239247]  ? __switch_to_asm+0x40/0x70
[  297.243294]  ? __switch_to_asm+0x34/0x70
[  297.247341]  ? __switch_to_asm+0x34/0x70
[  297.251389]  ? __switch_to_asm+0x40/0x70
[  297.255441]  ? __switch_to_asm+0x34/0x70
[  297.259497]  bpf_clone_redirect+0xb9/0x490
[  297.263722]  ? __schedule+0x874/0x1ed0
[  297.267610]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  297.272534]  ? __sched_text_start+0x8/0x8
[  297.276672]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  297.281422]  ? retint_kernel+0x2d/0x2d
[  297.285306]  ? lock_acquire+0x1ed/0x520
[  297.289272]  ? bpf_test_run+0x32e/0x5a0
[  297.293237]  ? lock_release+0x970/0x970
[  297.297199]  ? preempt_schedule+0x4d/0x60
[  297.301343]  ? preempt_schedule_common+0x1f/0xd0
[  297.306089]  ? preempt_schedule+0x4d/0x60
[  297.310230]  ? ___preempt_schedule+0x16/0x18
[  297.314636]  ? bpf_test_run+0x1c0/0x5a0
[  297.318611]  ? netlink_diag_dump+0x2a0/0x2a0
[  297.323017]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.328545]  ? bpf_test_init.isra.9+0x70/0x100
[  297.333118]  ? bpf_prog_test_run_skb+0x634/0xb40
[  297.337866]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  297.342699]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  297.348227]  ? fput+0x130/0x1a0
[  297.351510]  ? __bpf_prog_get+0x9b/0x290
[  297.355560]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  297.360394]  ? bpf_prog_test_run+0x130/0x1a0
[  297.364796]  ? __x64_sys_bpf+0x3d8/0x510
[  297.368848]  ? bpf_prog_get+0x20/0x20
[  297.372649]  ? do_syscall_64+0x1b9/0x820
[  297.376701]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  297.382053]  ? syscall_return_slowpath+0x5e0/0x5e0
[  297.386977]  ? trace_hardirqs_on_caller+0x310/0x310
[  297.391982]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  297.396991]  ? recalc_sigpending_tsk+0x180/0x180
[  297.401742]  ? kasan_check_write+0x14/0x20
[  297.405987]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  297.410825]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  297.416184] warn_alloc_show_mem: 1 callbacks suppressed
[  297.416194] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  297.416196] Mem-Info:
[  297.416225] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  297.416225]  active_file:16 inactive_file:17 isolated_file:0
[  297.416225]  unevictable:0 dirty:0 writeback:0 unstable:0
[  297.416225]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  297.416225]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  297.416225]  free:13792 free_pcp:309 free_cma:0
[  297.422062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  297.422069] Call Trace:
[  297.428917] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  297.431790]  dump_stack+0x1c4/0x2b4
[  297.466139] Node 0 
[  297.475495]  ? dump_stack_print_info.cold.2+0x52/0x52
[  297.478065] 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
[  297.505877]  ? isolate_lru_page+0x22e0/0x22e0
[  297.509470] lowmem_reserve[]:
[  297.511716]  warn_alloc.cold.119+0xb7/0x1bd
[  297.516872]  0
[  297.543186]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  297.547646]  2819 6323
[  297.550743]  ? lock_downgrade+0x900/0x900
[  297.555030]  6323
[  297.556829]  ? trace_hardirqs_off+0xb8/0x310
[  297.561635] Node 0 
[  297.564122]  ? trace_hardirqs_off+0xb8/0x310
[  297.568260] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  297.570287]  __alloc_pages_slowpath+0x2667/0x2d80
[  297.574659] lowmem_reserve[]:
[  297.576887]  ? mark_held_locks+0x130/0x130
[  297.581410]  0
[  297.609184]  ? warn_alloc+0x120/0x120
[  297.613994]  0
[  297.617082]  ? warn_alloc+0x120/0x120
[  297.621285]  3503
[  297.623069]  ? warn_alloc+0x120/0x120
[  297.626837]  3503
[  297.628624]  ? mark_held_locks+0x130/0x130
[  297.634443]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.638219] Node 0 
[  297.640270]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.644497] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  297.650009]  ? should_fail+0x22d/0xd01
[  297.652211] lowmem_reserve[]: 0
[  297.657740]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  297.686072]  0
[  297.689945]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.693185]  0 0
[  297.698276]  ? should_fail+0x22d/0xd01
[  297.705577]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  297.707529] Node 0 
[  297.711403]  ? should_fail+0x22d/0xd01
[  297.716478] DMA: 
[  297.718704]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  297.722564] 1*4kB 
[  297.724612]  ? mark_held_locks+0x130/0x130
[  297.729685] (U) 
[  297.731821]  ? mark_held_locks+0x130/0x130
[  297.736026] 0*8kB 
[  297.737986]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.742187] 0*16kB 
[  297.744325]  ? trace_hardirqs_off+0xb8/0x310
[  297.749826] 1*32kB 
[  297.752045]  ? kasan_check_read+0x11/0x20
[  297.756420] (U) 
[  297.758645]  ? do_raw_spin_unlock+0xa7/0x2f0
[  297.762758] 2*64kB (U) 
[  297.765118]  ? trace_hardirqs_on+0x310/0x310
[  297.769512] 1*128kB 
[  297.772084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.776457] (U) 
[  297.778763]  ? wq_watchdog_touch+0x9c/0xfe
[  297.784263] 1*256kB (U) 
[  297.786233]  ? io_serial_in+0x11/0x90
[  297.790433] 0*512kB 
[  297.793103]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.796874] 1*1024kB 
[  297.799183]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  297.804687] (U) 
[  297.807094]  __alloc_pages_nodemask+0xa80/0xde0
[  297.812152] 1*2048kB (M) 
[  297.814122]  ? should_fail+0x22d/0xd01
[  297.818759] 3*4096kB 
[  297.821500]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  297.825355] (M) 
[  297.827764]  ? ____cache_alloc_node+0x1c7/0x1e0
[  297.832739] = 15908kB
[  297.834699]  ? lock_downgrade+0x900/0x900
[  297.839337] Node 0 
[  297.841735]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.845849] DMA32: 
[  297.848078]  cache_grow_begin+0x91/0x8c0
[  297.853581] 6*4kB 
[  297.855804]  ? do_raw_spin_unlock+0xa7/0x2f0
[  297.859843] (UME) 
[  297.861981]  fallback_alloc+0x203/0x2e0
[  297.866358] 2*8kB 
[  297.869113]  ____cache_alloc_node+0x1c7/0x1e0
[  297.873076] (UE) 
[  297.875216]  kmem_cache_alloc_node+0xe3/0x730
[  297.879680] 4*16kB 
[  297.881730]  ? ipv6_get_ifaddr+0x42e/0x620
[  297.886184] (UME) 4*32kB 
[  297.888413]  __alloc_skb+0x119/0x770
[  297.892616] (UME) 
[  297.895357]  ? skb_scrub_packet+0x490/0x490
[  297.899041] 5*64kB 
[  297.901177]  ? lock_downgrade+0x900/0x900
[  297.905466] (ME) 
[  297.907691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.911806] 5*128kB 
[  297.913855]  ? refcount_sub_and_test_checked+0x203/0x310
[  297.919357] (UME) 
[  297.921665]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  297.927083] 4*256kB 
[  297.929220]  ? addrconf_rs_timer+0x690/0x690
[  297.934646] (ME) 
[  297.936959]  ndisc_alloc_skb+0x144/0x340
[  297.941330] 5*512kB 
[  297.943381]  ndisc_send_rs+0x331/0x6e0
[  297.947411] (UME) 
[  297.949721]  addrconf_rs_timer+0x314/0x690
[  297.953580] 4*1024kB 
[  297.955715]  ? lock_release+0x970/0x970
[  297.959922] (UME) 
[  297.962320]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.966263] 2*2048kB 
[  297.968401]  call_timer_fn+0x272/0x920
[  297.972601] (ME) 
[  297.974995]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.978845] 3*4096kB (M) 
[  297.980898]  ? process_timeout+0x40/0x40
[  297.985100] = 25256kB
[  297.987838]  ? kasan_check_read+0x11/0x20
[  297.987853]  ? do_raw_spin_unlock+0xa7/0x2f0
[  297.991886] Node 0 
[  297.994296]  ? trace_hardirqs_on+0x310/0x310
[  297.998410] Normal: 
[  298.002805]  ? __run_timers+0x7da/0xc70
[  298.005009] 1063*4kB 
[  298.009401]  ? lock_downgrade+0x900/0x900
[  298.011693] (UMEH) 
[  298.015652]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  298.018033] 420*8kB 
[  298.022163]  ? trace_hardirqs_on+0xbd/0x310
[  298.024367] (UME) 
[  298.029970]  ? kasan_check_read+0x11/0x20
[  298.032280] 170*16kB 
[  298.036920]  ? __run_timers+0x7da/0xc70
[  298.039037] (UMEH) 
[  298.043662]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  298.046044] 65*32kB 
[  298.050008]  ? kasan_check_write+0x14/0x20
[  298.052210] (UME) 
[  298.057646]  ? do_raw_spin_lock+0xc1/0x200
[  298.059939] 9*64kB 
[  298.064160]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.066280] (UM) 
[  298.070500]  __run_timers+0x7e5/0xc70
[  298.072712] 0*128kB 
[  298.076933]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  298.078963] 0*256kB 
[  298.086455]  ? compat_start_thread+0x80/0x80
[  298.088747] 0*512kB 
[  298.094214]  ? dequeue_entity+0x1770/0x1770
[  298.096507] 1*1024kB 
[  298.100901]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.103200] (H) 0*2048kB 
[  298.107890]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.110270] 0*4096kB 
[  298.115790]  ? kasan_check_write+0x14/0x20
[  298.118516] = 14012kB
[  298.124046]  ? finish_task_switch+0x2f5/0x900
[  298.126434] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  298.130648]  ? __switch_to_asm+0x40/0x70
[  298.133031] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  298.137508]  ? preempt_notifier_register+0x200/0x200
[  298.146320] 4986 total pagecache pages
[  298.150366]  ? __switch_to_asm+0x34/0x70
[  298.158911] 0 pages in swap cache
[  298.163986]  ? __switch_to_asm+0x40/0x70
[  298.163999]  ? __switch_to_asm+0x34/0x70
[  298.167860] Swap cache stats: add 0, delete 0, find 0/0
[  298.171898]  ? __switch_to_asm+0x40/0x70
[  298.175321] Free swap  = 0kB
[  298.179889]  ? __switch_to_asm+0x34/0x70
[  298.183922] Total swap = 0kB
[  298.189270]  ? __switch_to_asm+0x40/0x70
[  298.193299] 1965979 pages RAM
[  298.196303]  ? pvclock_read_flags+0x160/0x160
[  298.200333] 0 pages HighMem/MovableOnly
[  298.203339]  ? __schedule+0x874/0x1ed0
[  298.207370] 342307 pages reserved
[  298.210458]  ? run_rebalance_domains+0x38d/0x500
[  298.214916] 0 pages cma reserved
[  298.214965] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  298.215001] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  298.215005] syz-executor4 cpuset=syz4 mems_allowed=0
[  298.256918]  ? trace_hardirqs_on+0xbd/0x310
[  298.261230]  ? kvm_sched_clock_read+0x9/0x20
[  298.265645]  ? run_ksoftirqd+0x94/0x100
[  298.269611]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.275682]  ? check_preemption_disabled+0x48/0x200
[  298.280693]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.286226]  run_timer_softirq+0x52/0xb0
[  298.290276]  ? __this_cpu_preempt_check+0x1c/0x1f
[  298.295109]  __do_softirq+0x30b/0xad8
[  298.298909]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  298.304002]  ? trace_hardirqs_off+0xb8/0x310
[  298.308404]  ? schedule+0x108/0x460
[  298.312025]  ? __schedule+0x1ed0/0x1ed0
[  298.315995]  ? run_ksoftirqd+0x99/0x100
[  298.319958]  ? trace_hardirqs_off+0xb8/0x310
[  298.324355]  ? ___might_sleep+0x1ed/0x300
[  298.328493]  ? smpboot_thread_fn+0x68b/0xa00
[  298.332895]  ? trace_hardirqs_on+0x310/0x310
[  298.337294]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.342821]  ? check_preemption_disabled+0x48/0x200
[  298.347825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.353354]  ? takeover_tasklets+0xa90/0xa90
[  298.357754]  run_ksoftirqd+0x94/0x100
[  298.362004]  smpboot_thread_fn+0x68b/0xa00
[  298.366233]  ? sort_range+0x30/0x30
[  298.369850]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  298.374943]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.380467]  ? __kthread_parkme+0xfb/0x1a0
[  298.384692]  kthread+0x35a/0x420
[  298.388049]  ? sort_range+0x30/0x30
[  298.391666]  ? kthread_bind+0x40/0x40
[  298.395474]  ret_from_fork+0x3a/0x50
[  298.399196] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  298.399251] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  298.406460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  298.406463] Call Trace:
[  298.406468]  <IRQ>
[  298.406483]  dump_stack+0x1c4/0x2b4
[  298.406506]  ? dump_stack_print_info.cold.2+0x52/0x52
[  298.413516] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  298.423088]  warn_alloc.cold.119+0xb7/0x1bd
[  298.425638] ksoftirqd/1 cpuset=
[  298.427770]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  298.431364] /
[  298.436539]  ? lock_downgrade+0x900/0x900
[  298.447316]  mems_allowed=0
[  298.451969]  ? trace_hardirqs_off+0xb8/0x310
[  298.474061]  ? trace_hardirqs_off+0xb8/0x310
[  298.478464]  __alloc_pages_slowpath+0x2667/0x2d80
[  298.483915]  ? warn_alloc+0x120/0x120
[  298.487707]  ? warn_alloc+0x120/0x120
[  298.491507]  ? warn_alloc+0x120/0x120
[  298.495305]  ? lock_release+0x970/0x970
[  298.499687]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  298.504865]  ? trace_hardirqs_on+0x310/0x310
[  298.509271]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.514798]  ? should_fail+0x22d/0xd01
[  298.518676]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  298.523769]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.529293]  ? should_fail+0x22d/0xd01
[  298.533172]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  298.538264]  ? should_fail+0x22d/0xd01
[  298.542249]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  298.547344]  ? mark_held_locks+0x130/0x130
[  298.551583]  ? mark_held_locks+0x130/0x130
[  298.555815]  ? kvm_clock_read+0x18/0x30
[  298.559782]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  298.564787]  ? ktime_get+0x2e1/0x440
[  298.568500]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.574033]  ? check_preemption_disabled+0x48/0x200
[  298.579039]  ? kasan_check_read+0x11/0x20
[  298.583178]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  298.588447]  ? rcu_bh_qs+0xc0/0xc0
[  298.591980]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.597523]  ? check_preemption_disabled+0x48/0x200
[  298.602642]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  298.607649]  ? widen_string+0xe0/0x2e0
[  298.611554]  __alloc_pages_nodemask+0xa80/0xde0
[  298.616216]  ? should_fail+0x22d/0xd01
[  298.620108]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  298.625129]  ? ____cache_alloc_node+0x1c7/0x1e0
[  298.629792]  ? lock_downgrade+0x900/0x900
[  298.633935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.639486]  cache_grow_begin+0x91/0x8c0
[  298.643539]  ? do_raw_spin_unlock+0xa7/0x2f0
[  298.647943]  fallback_alloc+0x203/0x2e0
[  298.651912]  ____cache_alloc_node+0x1c7/0x1e0
[  298.656403]  kmem_cache_alloc_node+0xe3/0x730
[  298.660888]  ? ipv6_get_ifaddr+0x42e/0x620
[  298.665118]  __alloc_skb+0x119/0x770
[  298.668821]  ? skb_scrub_packet+0x490/0x490
[  298.673134]  ? lock_downgrade+0x900/0x900
[  298.677275]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.682819]  ? refcount_sub_and_test_checked+0x203/0x310
[  298.688290]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  298.693735]  ? addrconf_rs_timer+0x690/0x690
[  298.698140]  ndisc_alloc_skb+0x144/0x340
[  298.702197]  ndisc_send_rs+0x331/0x6e0
[  298.706078]  addrconf_rs_timer+0x314/0x690
[  298.710308]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.714538]  call_timer_fn+0x272/0x920
[  298.718417]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.722661]  ? process_timeout+0x40/0x40
[  298.726713]  ? trace_hardirqs_off+0xb8/0x310
[  298.731109]  ? kasan_check_read+0x11/0x20
[  298.735253]  ? do_raw_spin_unlock+0xa7/0x2f0
[  298.739652]  ? trace_hardirqs_on+0x310/0x310
[  298.744057]  ? __run_timers+0x7da/0xc70
[  298.748020]  ? lock_downgrade+0x900/0x900
[  298.752161]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  298.757257]  ? trace_hardirqs_on+0xbd/0x310
[  298.761568]  ? kasan_check_read+0x11/0x20
[  298.765706]  ? __run_timers+0x7da/0xc70
[  298.769686]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  298.775135]  ? kasan_check_write+0x14/0x20
[  298.779374]  ? do_raw_spin_lock+0xc1/0x200
[  298.783618]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.787844]  __run_timers+0x7e5/0xc70
[  298.791641]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  298.796995]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  298.802006]  ? timerqueue_add+0x207/0x2b0
[  298.806146]  ? enqueue_hrtimer+0x1a5/0x560
[  298.810372]  ? lock_release+0x970/0x970
[  298.814337]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  298.819585]  ? kasan_check_write+0x14/0x20
[  298.823811]  ? pvclock_read_flags+0x160/0x160
[  298.828313]  ? lock_downgrade+0x900/0x900
[  298.832458]  ? trace_hardirqs_on+0xbd/0x310
[  298.836778]  ? kvm_sched_clock_read+0x9/0x20
[  298.841176]  ? irq_exit+0x17f/0x1c0
[  298.844807]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.850444]  ? check_preemption_disabled+0x48/0x200
[  298.855467]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.861007]  run_timer_softirq+0x52/0xb0
[  298.865060]  ? __this_cpu_preempt_check+0x1c/0x1f
[  298.869900]  __do_softirq+0x30b/0xad8
[  298.873707]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  298.878801]  ? pvclock_read_flags+0x160/0x160
[  298.883282]  ? lapic_next_event+0x5a/0x90
[  298.887443]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.892997]  ? clockevents_program_event+0x140/0x370
[  298.898114]  ? kvm_clock_read+0x18/0x30
[  298.902080]  ? kvm_sched_clock_read+0x9/0x20
[  298.906493]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.912022]  ? check_preemption_disabled+0x48/0x200
[  298.917036]  irq_exit+0x17f/0x1c0
[  298.920488]  smp_apic_timer_interrupt+0x1cb/0x760
[  298.925318]  ? smp_reschedule_interrupt+0x109/0x650
[  298.930325]  ? smp_call_function_single_interrupt+0x650/0x650
[  298.936202]  ? interrupt_entry+0xb5/0xf0
[  298.940254]  ? trace_hardirqs_off_caller+0xbb/0x310
[  298.945260]  ? trace_hardirqs_off_caller+0xbb/0x310
[  298.950283]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  298.955116]  ? trace_hardirqs_on_caller+0x310/0x310
[  298.960132]  ? trace_hardirqs_on_caller+0x310/0x310
[  298.965138]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.970664]  ? check_preemption_disabled+0x48/0x200
[  298.975676]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  298.980514]  apic_timer_interrupt+0xf/0x20
[  298.984733]  </IRQ>
[  298.986966] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  298.991885] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  299.010775] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  299.018483] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  299.025743] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  299.033002] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  299.040267] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  299.047532] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  299.054814]  ? trace_hardirqs_on+0xb4/0x310
[  299.059152]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.064689]  skb_clone+0x1bb/0x500
[  299.068218]  ? finish_task_switch+0x2f5/0x900
[  299.072702]  ? skb_split+0x11e0/0x11e0
[  299.076582]  ? preempt_notifier_register+0x200/0x200
[  299.081672]  ? __switch_to_asm+0x34/0x70
[  299.085722]  ? __switch_to_asm+0x34/0x70
[  299.089769]  ? __switch_to_asm+0x40/0x70
[  299.093815]  ? __switch_to_asm+0x34/0x70
[  299.097863]  ? __switch_to_asm+0x40/0x70
[  299.101911]  ? __switch_to_asm+0x34/0x70
[  299.105958]  ? __switch_to_asm+0x40/0x70
[  299.110482]  ? __switch_to_asm+0x34/0x70
[  299.114536]  ? __switch_to_asm+0x34/0x70
[  299.118584]  ? __switch_to_asm+0x40/0x70
[  299.122632]  ? __switch_to_asm+0x34/0x70
[  299.126686]  bpf_clone_redirect+0xb9/0x490
[  299.130914]  ? __schedule+0x874/0x1ed0
[  299.134794]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  299.139715]  ? __sched_text_start+0x8/0x8
[  299.143855]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  299.148601]  ? retint_kernel+0x2d/0x2d
[  299.152496]  ? lock_acquire+0x1ed/0x520
[  299.156472]  ? bpf_test_run+0x32e/0x5a0
[  299.160449]  ? lock_release+0x970/0x970
[  299.164418]  ? preempt_schedule+0x4d/0x60
[  299.168569]  ? preempt_schedule_common+0x1f/0xd0
[  299.173314]  ? preempt_schedule+0x4d/0x60
[  299.177464]  ? ___preempt_schedule+0x16/0x18
[  299.181868]  ? bpf_test_run+0x1c0/0x5a0
[  299.185838]  ? netlink_diag_dump+0x2a0/0x2a0
[  299.190240]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.195784]  ? bpf_test_init.isra.9+0x70/0x100
[  299.200367]  ? bpf_prog_test_run_skb+0x634/0xb40
[  299.205122]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  299.209962]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  299.215487]  ? fput+0x130/0x1a0
[  299.218761]  ? __bpf_prog_get+0x9b/0x290
[  299.222817]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  299.227646]  ? bpf_prog_test_run+0x130/0x1a0
[  299.232048]  ? __x64_sys_bpf+0x3d8/0x510
[  299.236098]  ? bpf_prog_get+0x20/0x20
[  299.239990]  ? do_syscall_64+0x1b9/0x820
[  299.244044]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  299.249397]  ? syscall_return_slowpath+0x5e0/0x5e0
[  299.254318]  ? trace_hardirqs_on_caller+0x310/0x310
[  299.259325]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  299.264331]  ? recalc_sigpending_tsk+0x180/0x180
[  299.269074]  ? kasan_check_write+0x14/0x20
[  299.273305]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  299.278142]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  299.283503] warn_alloc_show_mem: 1 callbacks suppressed
[  299.283512] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  299.283514] Mem-Info:
[  299.283542] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  299.283542]  active_file:16 inactive_file:17 isolated_file:0
[  299.283542]  unevictable:0 dirty:0 writeback:0 unstable:0
[  299.283542]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  299.283542]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  299.283542]  free:13792 free_pcp:309 free_cma:0
[  299.288868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  299.288875] Call Trace:
[  299.295714] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  299.298110]  dump_stack+0x1c4/0x2b4
[  299.331128] Node 0 
[  299.340476]  ? dump_stack_print_info.cold.2+0x52/0x52
[  299.343053] 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
[  299.370863]  ? isolate_lru_page+0x22e0/0x22e0
[  299.374460] lowmem_reserve[]:
[  299.376683]  warn_alloc.cold.119+0xb7/0x1bd
[  299.381840]  0
[  299.407326]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  299.411801]  2819
[  299.417964]  ? lock_downgrade+0x900/0x900
[  299.421745]  6323 6323
[  299.423544]  ? trace_hardirqs_off+0xb8/0x310
[  299.430406]  ? trace_hardirqs_off+0xb8/0x310
[  299.434529] Node 0 
[  299.437013]  __alloc_pages_slowpath+0x2667/0x2d80
[  299.441418] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  299.445786]  ? mark_held_locks+0x130/0x130
[  299.447984] lowmem_reserve[]:
[  299.455550]  ? warn_alloc+0x120/0x120
[  299.483007]  0
[  299.487238]  ? warn_alloc+0x120/0x120
[  299.490303]  0
[  299.495519]  ? warn_alloc+0x120/0x120
[  299.497287]  3503 3503
[  299.501077]  ? mark_held_locks+0x130/0x130
[  299.502855] Node 0 
[  299.506644]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.509134] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  299.513330]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.515533] lowmem_reserve[]:
[  299.521058]  ? should_fail+0x22d/0xd01
[  299.549383]  0 0
[  299.554923]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  299.557995]  0
[  299.561867]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.563808]  0
[  299.569359]  ? should_fail+0x22d/0xd01
[  299.576653]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  299.578431] Node 0 
[  299.582309]  ? should_fail+0x22d/0xd01
[  299.587380] DMA: 
[  299.589613]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  299.593482] 1*4kB 
[  299.595530]  ? mark_held_locks+0x130/0x130
[  299.600597] (U) 
[  299.602735]  ? mark_held_locks+0x130/0x130
[  299.606945] 0*8kB 
[  299.608905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.613113] 0*16kB 1*32kB 
[  299.615255]  ? trace_hardirqs_off+0xb8/0x310
[  299.620768] (U) 
[  299.623597]  ? kasan_check_read+0x11/0x20
[  299.628081] 2*64kB (U) 
[  299.630051]  ? do_raw_spin_unlock+0xa7/0x2f0
[  299.634166] 1*128kB 
[  299.636733]  ? trace_hardirqs_on+0x310/0x310
[  299.641109] (U) 
[  299.643422]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.647796] 1*256kB (U) 
[  299.649766]  ? wq_watchdog_touch+0x9c/0xfe
[  299.655268] 0*512kB 
[  299.657927]  ? io_serial_in+0x11/0x90
[  299.662123] 1*1024kB 
[  299.664429]  ? retint_kernel+0x2d/0x2d
[  299.664444]  ? trace_hardirqs_on_caller+0xc0/0x310
[  299.668212] (U) 
[  299.671102]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  299.674957] 1*2048kB 
[  299.679866]  ? trace_hardirqs_off+0x310/0x310
[  299.681818] (M) 
[  299.686558]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  299.688950] 3*4096kB 
[  299.693433]  __alloc_pages_nodemask+0xa80/0xde0
[  299.695374] (M) 
[  299.700468]  ? should_fail+0x22d/0xd01
[  299.702847] = 15908kB
[  299.707499]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  299.709445] Node 0 
[  299.713342]  ? ____cache_alloc_node+0x1c7/0x1e0
[  299.715711] DMA32: 
[  299.720710]  ? lock_downgrade+0x900/0x900
[  299.722915] 6*4kB 
[  299.727569]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.729773] (UME) 
[  299.733903]  cache_grow_begin+0x91/0x8c0
[  299.736021] 2*8kB 
[  299.741560]  ? do_raw_spin_unlock+0xa7/0x2f0
[  299.743676] (UE) 
[  299.747723]  fallback_alloc+0x203/0x2e0
[  299.749844] 4*16kB 
[  299.754234]  ____cache_alloc_node+0x1c7/0x1e0
[  299.756269] (UME) 
[  299.760230]  kmem_cache_alloc_node+0xe3/0x730
[  299.762438] 4*32kB 
[  299.766922]  ? ipv6_get_ifaddr+0x42e/0x620
[  299.769031] (UME) 
[  299.773513]  __alloc_skb+0x119/0x770
[  299.775718] 5*64kB 
[  299.779936]  ? skb_scrub_packet+0x490/0x490
[  299.782053] (ME) 
[  299.785750]  ? lock_downgrade+0x900/0x900
[  299.787960] 5*128kB 
[  299.793771]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.795818] (UME) 
[  299.799956]  ? refcount_sub_and_test_checked+0x203/0x310
[  299.802250] 4*256kB 
[  299.807780]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  299.809904] (ME) 
[  299.815339]  ? addrconf_rs_timer+0x690/0x690
[  299.817631] 5*512kB 
[  299.823068]  ndisc_alloc_skb+0x144/0x340
[  299.825103] (UME) 
[  299.829497]  ndisc_send_rs+0x331/0x6e0
[  299.831787] 4*1024kB 
[  299.835834]  addrconf_rs_timer+0x314/0x690
[  299.837950] (UME) 
[  299.841823]  ? lock_release+0x970/0x970
[  299.844205] 2*2048kB 
[  299.848425]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.850551] (ME) 
[  299.855019]  call_timer_fn+0x272/0x920
[  299.857400] 3*4096kB 
[  299.861618]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.863647] (M) 
[  299.867516]  ? process_timeout+0x40/0x40
[  299.869892] = 25256kB
[  299.869896] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB 
[  299.874146]  ? kasan_check_read+0x11/0x20
[  299.876106] (UMEH) 
[  299.880159]  ? do_raw_spin_unlock+0xa7/0x2f0
[  299.882536] 65*32kB 
[  299.888842]  ? trace_hardirqs_on+0x310/0x310
[  299.892951] (UME) 9*64kB 
[  299.895183]  ? __run_timers+0x7da/0xc70
[  299.899558] (UM) 
[  299.901866]  ? lock_downgrade+0x900/0x900
[  299.906239] 0*128kB 0*256kB 
[  299.909003]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  299.912947] 0*512kB 
[  299.914993]  ? trace_hardirqs_on+0xbd/0x310
[  299.919109] 1*1024kB 
[  299.922108]  ? kasan_check_read+0x11/0x20
[  299.927180] (H) 
[  299.929510]  ? __run_timers+0x7da/0xc70
[  299.933797] 0*2048kB 
[  299.936190]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  299.940300] 0*4096kB = 14012kB
[  299.942268]  ? kasan_check_write+0x14/0x20
[  299.946217] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  299.948609]  ? do_raw_spin_lock+0xc1/0x200
[  299.954035] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  299.957740]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.961943] 4986 total pagecache pages
[  299.970778]  __run_timers+0x7e5/0xc70
[  299.974978] 0 pages in swap cache
[  299.983541]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  299.987744] Swap cache stats: add 0, delete 0, find 0/0
[  299.991609]  ? compat_start_thread+0x80/0x80
[  299.995385] Free swap  = 0kB
[  299.998820]  ? dequeue_entity+0x1770/0x1770
[  300.004155] Total swap = 0kB
[  300.009503]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.013879] 1965979 pages RAM
[  300.016886]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.021176] 0 pages HighMem/MovableOnly
[  300.024177]  ? kasan_check_write+0x14/0x20
[  300.029680] 342307 pages reserved
[  300.032771]  ? finish_task_switch+0x2f5/0x900
[  300.038272] 0 pages cma reserved
[  300.042230]  ? __switch_to_asm+0x40/0x70
[  300.046477] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  300.049873]  ? preempt_notifier_register+0x200/0x200
[  300.054411] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  300.057684]  ? __switch_to_asm+0x34/0x70
[  300.061714] syz-executor4 cpuset=
[  300.068188]  ? __switch_to_asm+0x40/0x70
[  300.073257] syz4
[  300.083718]  ? __switch_to_asm+0x34/0x70
[  300.083731]  ? __switch_to_asm+0x40/0x70
[  300.087762]  mems_allowed=0
[  300.091195]  ? __switch_to_asm+0x34/0x70
[  300.114427]  ? __switch_to_asm+0x40/0x70
[  300.118509]  ? pvclock_read_flags+0x160/0x160
[  300.122995]  ? __schedule+0x874/0x1ed0
[  300.126873]  ? run_rebalance_domains+0x38d/0x500
[  300.131629]  ? trace_hardirqs_on+0xbd/0x310
[  300.135942]  ? kvm_sched_clock_read+0x9/0x20
[  300.140344]  ? run_ksoftirqd+0x94/0x100
[  300.144322]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.149852]  ? check_preemption_disabled+0x48/0x200
[  300.155330]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.160875]  run_timer_softirq+0x52/0xb0
[  300.164933]  ? __this_cpu_preempt_check+0x1c/0x1f
[  300.169767]  __do_softirq+0x30b/0xad8
[  300.173564]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  300.178661]  ? trace_hardirqs_off+0xb8/0x310
[  300.183065]  ? schedule+0x108/0x460
[  300.187187]  ? __schedule+0x1ed0/0x1ed0
[  300.191153]  ? run_ksoftirqd+0x99/0x100
[  300.195117]  ? trace_hardirqs_off+0xb8/0x310
[  300.200008]  ? ___might_sleep+0x1ed/0x300
[  300.204148]  ? smpboot_thread_fn+0x68b/0xa00
[  300.208546]  ? trace_hardirqs_on+0x310/0x310
[  300.212944]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  300.218475]  ? check_preemption_disabled+0x48/0x200
[  300.226919]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.233520]  ? takeover_tasklets+0xa90/0xa90
[  300.237923]  run_ksoftirqd+0x94/0x100
[  300.241717]  smpboot_thread_fn+0x68b/0xa00
[  300.245944]  ? sort_range+0x30/0x30
[  300.249576]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  300.254674]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  300.260204]  ? __kthread_parkme+0xfb/0x1a0
[  300.264916]  kthread+0x35a/0x420
[  300.268272]  ? sort_range+0x30/0x30
[  300.271890]  ? kthread_bind+0x40/0x40
[  300.276676]  ret_from_fork+0x3a/0x50
[  300.280393] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  300.280443] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  300.287661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  300.294197] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  300.303548] Call Trace:
[  300.313834] ksoftirqd/1 cpuset=
[  300.316391]  <IRQ>
[  300.316393] / mems_allowed=0
[  300.319667]  dump_stack+0x1c4/0x2b4
[  300.328404]  ? dump_stack_print_info.cold.2+0x52/0x52
[  300.333592]  warn_alloc.cold.119+0xb7/0x1bd
[  300.337907]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  300.342746]  ? lock_downgrade+0x900/0x900
[  300.346891]  ? trace_hardirqs_off+0xb8/0x310
[  300.351289]  ? trace_hardirqs_off+0xb8/0x310
[  300.355701]  __alloc_pages_slowpath+0x2667/0x2d80
[  300.360546]  ? warn_alloc+0x120/0x120
[  300.364344]  ? trace_hardirqs_on+0x310/0x310
[  300.368746]  ? warn_alloc+0x120/0x120
[  300.372540]  ? warn_alloc+0x120/0x120
[  300.376328]  ? ktime_get+0x2e1/0x440
[  300.380045]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.385575]  ? check_preemption_disabled+0x48/0x200
[  300.390596]  ? kasan_check_read+0x11/0x20
[  300.394747]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  300.400277]  ? should_fail+0x22d/0xd01
[  300.404154]  ? rcu_bh_qs+0xc0/0xc0
[  300.407685]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  300.412776]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  300.418305]  ? should_fail+0x22d/0xd01
[  300.422191]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  300.427283]  ? should_fail+0x22d/0xd01
[  300.431161]  ? rcu_idle_enter+0x4b0/0x4b0
[  300.435299]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  300.440397]  ? mark_held_locks+0x130/0x130
[  300.444624]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.450705]  ? mark_held_locks+0x130/0x130
[  300.454934]  ? rcu_irq_exit+0xce/0x100
[  300.458816]  ? irq_exit+0xbd/0x1c0
[  300.462358]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  300.468033]  ? do_raw_spin_unlock+0xa7/0x2f0
[  300.472452]  ? smp_call_function_single_interrupt+0x650/0x650
[  300.478331]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.483884]  ? ret_from_intr+0xb/0x1e
[  300.487674]  ? retint_kernel+0x2d/0x2d
[  300.491555]  ? trace_hardirqs_on_caller+0xc0/0x310
[  300.496477]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  300.501222]  ? trace_hardirqs_off+0x310/0x310
[  300.505709]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  300.510808]  __alloc_pages_nodemask+0xa80/0xde0
[  300.515470]  ? should_fail+0x22d/0xd01
[  300.519362]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  300.524385]  ? ____cache_alloc_node+0x1c7/0x1e0
[  300.529049]  ? lock_downgrade+0x900/0x900
[  300.533190]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.538718]  cache_grow_begin+0x91/0x8c0
[  300.542772]  ? do_raw_spin_unlock+0xa7/0x2f0
[  300.547176]  fallback_alloc+0x203/0x2e0
[  300.551143]  ____cache_alloc_node+0x1c7/0x1e0
[  300.555637]  kmem_cache_alloc_node+0xe3/0x730
[  300.560124]  ? ipv6_get_ifaddr+0x42e/0x620
[  300.564358]  __alloc_skb+0x119/0x770
[  300.568066]  ? skb_scrub_packet+0x490/0x490
[  300.572376]  ? lock_downgrade+0x900/0x900
[  300.576518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.582045]  ? refcount_sub_and_test_checked+0x203/0x310
[  300.587488]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  300.592934]  ? addrconf_rs_timer+0x690/0x690
[  300.597351]  ndisc_alloc_skb+0x144/0x340
[  300.601410]  ndisc_send_rs+0x331/0x6e0
[  300.605292]  addrconf_rs_timer+0x314/0x690
[  300.609526]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.613756]  call_timer_fn+0x272/0x920
[  300.617636]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.621861]  ? process_timeout+0x40/0x40
[  300.625911]  ? trace_hardirqs_off+0xb8/0x310
[  300.630316]  ? kasan_check_read+0x11/0x20
[  300.634458]  ? do_raw_spin_unlock+0xa7/0x2f0
[  300.638854]  ? trace_hardirqs_on+0x310/0x310
[  300.643253]  ? __run_timers+0x7da/0xc70
[  300.647218]  ? lock_downgrade+0x900/0x900
[  300.651360]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  300.656455]  ? trace_hardirqs_on+0xbd/0x310
[  300.660763]  ? kasan_check_read+0x11/0x20
[  300.664902]  ? __run_timers+0x7da/0xc70
[  300.668866]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  300.674315]  ? kasan_check_write+0x14/0x20
[  300.678559]  ? do_raw_spin_lock+0xc1/0x200
[  300.682791]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.687018]  __run_timers+0x7e5/0xc70
[  300.690815]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  300.696169]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  300.701180]  ? timerqueue_add+0x207/0x2b0
[  300.705323]  ? enqueue_hrtimer+0x1a5/0x560
[  300.709552]  ? lock_release+0x970/0x970
[  300.713522]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  300.718701]  ? kasan_check_write+0x14/0x20
[  300.722930]  ? pvclock_read_flags+0x160/0x160
[  300.727413]  ? lock_downgrade+0x900/0x900
[  300.731556]  ? trace_hardirqs_on+0xbd/0x310
[  300.735870]  ? kvm_sched_clock_read+0x9/0x20
[  300.740271]  ? irq_exit+0x17f/0x1c0
[  300.743887]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.749424]  ? check_preemption_disabled+0x48/0x200
[  300.754431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.759963]  run_timer_softirq+0x52/0xb0
[  300.764029]  ? __this_cpu_preempt_check+0x1c/0x1f
[  300.768920]  __do_softirq+0x30b/0xad8
[  300.772720]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  300.777815]  ? pvclock_read_flags+0x160/0x160
[  300.782308]  ? lapic_next_event+0x5a/0x90
[  300.786453]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.791981]  ? clockevents_program_event+0x140/0x370
[  300.797079]  ? kvm_clock_read+0x18/0x30
[  300.801043]  ? kvm_sched_clock_read+0x9/0x20
[  300.805443]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.810971]  ? check_preemption_disabled+0x48/0x200
[  300.815985]  irq_exit+0x17f/0x1c0
[  300.819428]  smp_apic_timer_interrupt+0x1cb/0x760
[  300.824259]  ? smp_reschedule_interrupt+0x109/0x650
[  300.829268]  ? smp_call_function_single_interrupt+0x650/0x650
[  300.835150]  ? interrupt_entry+0xb5/0xf0
[  300.839201]  ? trace_hardirqs_off_caller+0xbb/0x310
[  300.844205]  ? trace_hardirqs_off_caller+0xbb/0x310
[  300.849211]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  300.854042]  ? trace_hardirqs_on_caller+0x310/0x310
[  300.859053]  ? trace_hardirqs_on_caller+0x310/0x310
[  300.864078]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.869617]  ? check_preemption_disabled+0x48/0x200
[  300.874628]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  300.879464]  apic_timer_interrupt+0xf/0x20
[  300.883680]  </IRQ>
[  300.885909] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  300.890829] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  300.909814] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  300.917514] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  300.924770] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  300.932124] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  300.939396] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  300.946655] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  300.953932]  ? trace_hardirqs_on+0xb4/0x310
[  300.958248]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.963777]  skb_clone+0x1bb/0x500
[  300.967321]  ? finish_task_switch+0x2f5/0x900
[  300.971806]  ? skb_split+0x11e0/0x11e0
[  300.975684]  ? preempt_notifier_register+0x200/0x200
[  300.980775]  ? __switch_to_asm+0x34/0x70
[  300.984826]  ? __switch_to_asm+0x34/0x70
[  300.988972]  ? __switch_to_asm+0x40/0x70
[  300.993023]  ? __switch_to_asm+0x34/0x70
[  300.997075]  ? __switch_to_asm+0x40/0x70
[  301.001125]  ? __switch_to_asm+0x34/0x70
[  301.005176]  ? __switch_to_asm+0x40/0x70
[  301.009223]  ? __switch_to_asm+0x34/0x70
[  301.013273]  ? __switch_to_asm+0x34/0x70
[  301.017340]  ? __switch_to_asm+0x40/0x70
[  301.021391]  ? __switch_to_asm+0x34/0x70
[  301.025445]  bpf_clone_redirect+0xb9/0x490
[  301.029671]  ? __schedule+0x874/0x1ed0
[  301.033549]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  301.038473]  ? __sched_text_start+0x8/0x8
[  301.042612]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  301.047367]  ? retint_kernel+0x2d/0x2d
[  301.051247]  ? lock_acquire+0x1ed/0x520
[  301.055216]  ? bpf_test_run+0x32e/0x5a0
[  301.059184]  ? lock_release+0x970/0x970
[  301.063149]  ? preempt_schedule+0x4d/0x60
[  301.067294]  ? preempt_schedule_common+0x1f/0xd0
[  301.072047]  ? preempt_schedule+0x4d/0x60
[  301.076184]  ? ___preempt_schedule+0x16/0x18
[  301.080584]  ? bpf_test_run+0x1c0/0x5a0
[  301.084549]  ? netlink_diag_dump+0x2a0/0x2a0
[  301.088951]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.094477]  ? bpf_test_init.isra.9+0x70/0x100
[  301.099052]  ? bpf_prog_test_run_skb+0x634/0xb40
[  301.103799]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  301.108625]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  301.114155]  ? fput+0x130/0x1a0
[  301.117425]  ? __bpf_prog_get+0x9b/0x290
[  301.121475]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  301.126326]  ? bpf_prog_test_run+0x130/0x1a0
[  301.130723]  ? __x64_sys_bpf+0x3d8/0x510
[  301.134771]  ? bpf_prog_get+0x20/0x20
[  301.138570]  ? do_syscall_64+0x1b9/0x820
[  301.142776]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  301.148169]  ? syscall_return_slowpath+0x5e0/0x5e0
[  301.153104]  ? trace_hardirqs_on_caller+0x310/0x310
[  301.158110]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  301.163116]  ? recalc_sigpending_tsk+0x180/0x180
[  301.167864]  ? kasan_check_write+0x14/0x20
[  301.172096]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  301.176931]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  301.182305] warn_alloc_show_mem: 1 callbacks suppressed
[  301.182314] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  301.182315] Mem-Info:
[  301.182344] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  301.182344]  active_file:16 inactive_file:17 isolated_file:0
[  301.182344]  unevictable:0 dirty:0 writeback:0 unstable:0
[  301.182344]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  301.182344]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  301.182344]  free:13792 free_pcp:309 free_cma:0
[  301.187680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  301.194514] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  301.196897] Call Trace:
[  301.229932] Node 0 
[  301.239639]  dump_stack+0x1c4/0x2b4
[  301.267479] 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
[  301.270042]  ? dump_stack_print_info.cold.2+0x52/0x52
[  301.272239] lowmem_reserve[]: 0
[  301.276354]  ? isolate_lru_page+0x22e0/0x22e0
[  301.301821]  2819
[  301.307003]  warn_alloc.cold.119+0xb7/0x1bd
[  301.310250]  6323
[  301.317805]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  301.319837]  6323
[  301.324145]  ? lock_downgrade+0x900/0x900
[  301.331004]  ? trace_hardirqs_off+0xb8/0x310
[  301.333047] Node 0 
[  301.337178]  ? trace_hardirqs_off+0xb8/0x310
[  301.341577] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  301.343786]  __alloc_pages_slowpath+0x2667/0x2d80
[  301.348155] lowmem_reserve[]:
[  301.375134]  ? mark_held_locks+0x130/0x130
[  301.379951]  0
[  301.383042]  ? warn_alloc+0x120/0x120
[  301.387241]  0
[  301.389045]  ? warn_alloc+0x120/0x120
[  301.392815]  3503
[  301.394612]  ? warn_alloc+0x120/0x120
[  301.398385]  3503
[  301.400442]  ? mark_held_locks+0x130/0x130
[  301.404207] Node 0 
[  301.406261]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.410487] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  301.412686]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.418188] lowmem_reserve[]:
[  301.446725]  ? should_fail+0x22d/0xd01
[  301.452466]  0
[  301.455564]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  301.459430]  0
[  301.461225]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.466287]  0 0
[  301.468084]  ? should_fail+0x22d/0xd01
[  301.476817]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  301.480666] Node 0 DMA: 
[  301.487220]  ? should_fail+0x22d/0xd01
[  301.487236]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  301.489886] 1*4kB 
[  301.493759]  ? mark_held_locks+0x130/0x130
[  301.498849] (U) 
[  301.500986]  ? mark_held_locks+0x130/0x130
[  301.506291] 0*8kB 0*16kB 
[  301.510805]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.515005] 1*32kB 
[  301.517753]  ? trace_hardirqs_off+0xb8/0x310
[  301.523268] (U) 
[  301.525488]  ? kasan_check_read+0x11/0x20
[  301.529863] 2*64kB 
[  301.531827]  ? do_raw_spin_unlock+0xa7/0x2f0
[  301.535940] (U) 
[  301.538165]  ? trace_hardirqs_on+0x310/0x310
[  301.542546] 1*128kB (U) 
[  301.544519]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.548888] 1*256kB (U) 
[  301.551551]  ? wq_watchdog_touch+0x9c/0xfe
[  301.557053] 0*512kB 
[  301.559711]  ? io_serial_in+0x11/0x90
[  301.563912] 1*1024kB 
[  301.566221]  ? retint_kernel+0x2d/0x2d
[  301.569993] (U) 
[  301.572399]  ? trace_hardirqs_on_caller+0xc0/0x310
[  301.576254] 1*2048kB 
[  301.578215]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  301.583113] (M) 3*4096kB 
[  301.585515]  ? trace_hardirqs_off+0x310/0x310
[  301.590247] (M) 
[  301.592992]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  301.597455] = 15908kB
[  301.599592]  __alloc_pages_nodemask+0xa80/0xde0
[  301.604661] Node 0 
[  301.607059]  ? should_fail+0x22d/0xd01
[  301.611688] DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB
[  301.611741] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 
[  301.613999]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  301.617854] 0*128kB 0*256kB 
[  301.633373]  ? ____cache_alloc_node+0x1c7/0x1e0
[  301.642525] 0*512kB 
[  301.647525]  ? lock_downgrade+0x900/0x900
[  301.650513] 1*1024kB 
[  301.655165]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.657458] (H) 
[  301.661590]  cache_grow_begin+0x91/0x8c0
[  301.663963] 0*2048kB 0*4096kB 
[  301.669618]  ? do_raw_spin_unlock+0xa7/0x2f0
[  301.671573] = 14012kB
[  301.671582] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  301.671587] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  301.671590] 4986 total pagecache pages
[  301.671594] 0 pages in swap cache
[  301.671599] Swap cache stats: add 0, delete 0, find 0/0
[  301.671602] Free swap  = 0kB
[  301.671604] Total swap = 0kB
[  301.671607] 1965979 pages RAM
[  301.671610] 0 pages HighMem/MovableOnly
[  301.671612] 342307 pages reserved
[  301.671614] 0 pages cma reserved
[  301.671673] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  301.671729] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  301.671732] syz-executor4 cpuset=syz4 mems_allowed=0
[  301.759558]  fallback_alloc+0x203/0x2e0
[  301.763526]  ____cache_alloc_node+0x1c7/0x1e0
[  301.768015]  kmem_cache_alloc_node+0xe3/0x730
[  301.772504]  ? ipv6_get_ifaddr+0x42e/0x620
[  301.776732]  __alloc_skb+0x119/0x770
[  301.780440]  ? skb_scrub_packet+0x490/0x490
[  301.784756]  ? lock_downgrade+0x900/0x900
[  301.788899]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.794427]  ? refcount_sub_and_test_checked+0x203/0x310
[  301.799870]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  301.805309]  ? addrconf_rs_timer+0x690/0x690
[  301.809713]  ndisc_alloc_skb+0x144/0x340
[  301.813772]  ndisc_send_rs+0x331/0x6e0
[  301.817653]  addrconf_rs_timer+0x314/0x690
[  301.821884]  ? lock_release+0x970/0x970
[  301.825849]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.830083]  call_timer_fn+0x272/0x920
[  301.833961]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.838189]  ? process_timeout+0x40/0x40
[  301.842247]  ? kasan_check_read+0x11/0x20
[  301.846404]  ? do_raw_spin_unlock+0xa7/0x2f0
[  301.850804]  ? trace_hardirqs_on+0x310/0x310
[  301.855659]  ? __run_timers+0x7da/0xc70
[  301.859904]  ? lock_downgrade+0x900/0x900
[  301.864044]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  301.869138]  ? trace_hardirqs_on+0xbd/0x310
[  301.873449]  ? kasan_check_read+0x11/0x20
[  301.878255]  ? __run_timers+0x7da/0xc70
[  301.883686]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  301.889158]  ? kasan_check_write+0x14/0x20
[  301.893386]  ? do_raw_spin_lock+0xc1/0x200
[  301.897613]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.901837]  __run_timers+0x7e5/0xc70
[  301.905634]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  301.910986]  ? compat_start_thread+0x80/0x80
[  301.915767]  ? dequeue_entity+0x1770/0x1770
[  301.920080]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.925611]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.931138]  ? kasan_check_write+0x14/0x20
[  301.935365]  ? finish_task_switch+0x2f5/0x900
[  301.939852]  ? __switch_to_asm+0x40/0x70
[  301.943907]  ? preempt_notifier_register+0x200/0x200
[  301.948997]  ? __switch_to_asm+0x34/0x70
[  301.953049]  ? __switch_to_asm+0x40/0x70
[  301.957101]  ? __switch_to_asm+0x34/0x70
[  301.961150]  ? __switch_to_asm+0x40/0x70
[  301.965214]  ? __switch_to_asm+0x34/0x70
[  301.969268]  ? __switch_to_asm+0x40/0x70
[  301.973323]  ? pvclock_read_flags+0x160/0x160
[  301.977808]  ? __schedule+0x874/0x1ed0
[  301.981688]  ? run_rebalance_domains+0x38d/0x500
[  301.986447]  ? trace_hardirqs_on+0xbd/0x310
[  301.990776]  ? kvm_sched_clock_read+0x9/0x20
[  301.995784]  ? run_ksoftirqd+0x94/0x100
[  302.001736]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.007267]  ? check_preemption_disabled+0x48/0x200
[  302.012273]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.017803]  run_timer_softirq+0x52/0xb0
[  302.021855]  ? __this_cpu_preempt_check+0x1c/0x1f
[  302.026692]  __do_softirq+0x30b/0xad8
[  302.030491]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  302.035675]  ? trace_hardirqs_off+0xb8/0x310
[  302.040081]  ? schedule+0x108/0x460
[  302.043700]  ? __schedule+0x1ed0/0x1ed0
[  302.047668]  ? run_ksoftirqd+0x99/0x100
[  302.051636]  ? trace_hardirqs_off+0xb8/0x310
[  302.056035]  ? ___might_sleep+0x1ed/0x300
[  302.060201]  ? smpboot_thread_fn+0x68b/0xa00
[  302.064602]  ? trace_hardirqs_on+0x310/0x310
[  302.069004]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.074536]  ? check_preemption_disabled+0x48/0x200
[  302.079547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.085552]  ? takeover_tasklets+0xa90/0xa90
[  302.089955]  run_ksoftirqd+0x94/0x100
[  302.093746]  smpboot_thread_fn+0x68b/0xa00
[  302.097971]  ? sort_range+0x30/0x30
[  302.101597]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  302.107109]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.112637]  ? __kthread_parkme+0xfb/0x1a0
[  302.116863]  kthread+0x35a/0x420
[  302.120223]  ? sort_range+0x30/0x30
[  302.123837]  ? kthread_bind+0x40/0x40
[  302.127629]  ret_from_fork+0x3a/0x50
[  302.131763] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  302.131812] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  302.139031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  302.145566] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  302.154830] Call Trace:
[  302.165117] ksoftirqd/1 cpuset=
[  302.167676]  <IRQ>
[  302.167678] / mems_allowed=0
[  302.170951]  dump_stack+0x1c4/0x2b4
[  302.179677]  ? dump_stack_print_info.cold.2+0x52/0x52
[  302.184867]  warn_alloc.cold.119+0xb7/0x1bd
[  302.189287]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  302.194139]  ? lock_downgrade+0x900/0x900
[  302.198282]  ? trace_hardirqs_off+0xb8/0x310
[  302.202682]  ? trace_hardirqs_off+0xb8/0x310
[  302.207094]  __alloc_pages_slowpath+0x2667/0x2d80
[  302.211939]  ? warn_alloc+0x120/0x120
[  302.215735]  ? warn_alloc+0x120/0x120
[  302.219527]  ? warn_alloc+0x120/0x120
[  302.223314]  ? lock_release+0x970/0x970
[  302.228045]  ? idle_cpu+0x1d0/0x1d0
[  302.231666]  ? kvm_sched_clock_read+0x9/0x20
[  302.236064]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.241590]  ? should_fail+0x22d/0xd01
[  302.245471]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  302.250564]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.256092]  ? should_fail+0x22d/0xd01
[  302.259975]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  302.265069]  ? should_fail+0x22d/0xd01
[  302.268947]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  302.274042]  ? mark_held_locks+0x130/0x130
[  302.278677]  ? mark_held_locks+0x130/0x130
[  302.282902]  ? select_task_rq_fair+0x754/0x3500
[  302.287560]  ? lock_downgrade+0x900/0x900
[  302.291697]  ? __cpu_to_node+0x7d/0xa0
[  302.295576]  ? account_entity_enqueue+0x3a3/0x660
[  302.300412]  ? mark_held_locks+0x130/0x130
[  302.304643]  __alloc_pages_nodemask+0xa80/0xde0
[  302.309304]  ? should_fail+0x22d/0xd01
[  302.313189]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  302.318206]  ? debug_object_activate+0x402/0x600
[  302.322961]  ? ____cache_alloc_node+0x1c7/0x1e0
[  302.327617]  ? lock_downgrade+0x900/0x900
[  302.331761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.337291]  cache_grow_begin+0x91/0x8c0
[  302.341343]  ? do_raw_spin_unlock+0xa7/0x2f0
[  302.345745]  fallback_alloc+0x203/0x2e0
[  302.349712]  ____cache_alloc_node+0x1c7/0x1e0
[  302.354202]  kmem_cache_alloc_node+0xe3/0x730
[  302.358697]  ? do_raw_spin_unlock+0xa7/0x2f0
[  302.363094]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  302.367667]  __alloc_skb+0x119/0x770
[  302.371374]  ? skb_scrub_packet+0x490/0x490
[  302.375683]  ? atomic_notifier_call_chain+0xc6/0x190
[  302.380778]  ? lock_downgrade+0x900/0x900
[  302.384921]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  302.390725]  ? lock_release+0x970/0x970
[  302.394698]  ? do_raw_write_trylock+0x1c0/0x1c0
[  302.399362]  __neigh_notify+0x8c/0x160
[  302.403239]  ? __neigh_event_send+0x1390/0x1390
[  302.407903]  neigh_timer_handler+0x6cb/0xdf0
[  302.412303]  ? neigh_invalidate+0x550/0x550
[  302.416619]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  302.420853]  call_timer_fn+0x272/0x920
[  302.424728]  ? neigh_invalidate+0x550/0x550
[  302.429038]  ? process_timeout+0x40/0x40
[  302.433087]  ? trace_hardirqs_off+0xb8/0x310
[  302.437487]  ? kasan_check_read+0x11/0x20
[  302.441624]  ? do_raw_spin_unlock+0xa7/0x2f0
[  302.446022]  ? trace_hardirqs_on+0x310/0x310
[  302.450424]  ? __run_timers+0x7da/0xc70
[  302.454392]  ? lock_downgrade+0x900/0x900
[  302.458531]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  302.463620]  ? trace_hardirqs_on+0xbd/0x310
[  302.467939]  ? kasan_check_read+0x11/0x20
[  302.472077]  ? __run_timers+0x7da/0xc70
[  302.476040]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  302.481485]  ? kasan_check_write+0x14/0x20
[  302.485707]  ? do_raw_spin_lock+0xc1/0x200
[  302.489934]  ? neigh_invalidate+0x550/0x550
[  302.494248]  __run_timers+0x7e5/0xc70
[  302.498049]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  302.503402]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  302.508412]  ? timerqueue_add+0x207/0x2b0
[  302.512552]  ? enqueue_hrtimer+0x1a5/0x560
[  302.516774]  ? lock_release+0x970/0x970
[  302.520735]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  302.525920]  ? kasan_check_write+0x14/0x20
[  302.530146]  ? pvclock_read_flags+0x160/0x160
[  302.534642]  ? lock_downgrade+0x900/0x900
[  302.538778]  ? trace_hardirqs_on+0xbd/0x310
[  302.543088]  ? kvm_sched_clock_read+0x9/0x20
[  302.547485]  ? irq_exit+0x17f/0x1c0
[  302.551105]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.556632]  ? check_preemption_disabled+0x48/0x200
[  302.561641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.567181]  run_timer_softirq+0x52/0xb0
[  302.571231]  ? __this_cpu_preempt_check+0x1c/0x1f
[  302.576062]  __do_softirq+0x30b/0xad8
[  302.579859]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  302.584953]  ? pvclock_read_flags+0x160/0x160
[  302.589440]  ? lapic_next_event+0x5a/0x90
[  302.593576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.599109]  ? clockevents_program_event+0x140/0x370
[  302.604204]  ? kvm_clock_read+0x18/0x30
[  302.608178]  ? kvm_sched_clock_read+0x9/0x20
[  302.612576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.618101]  ? check_preemption_disabled+0x48/0x200
[  302.623114]  irq_exit+0x17f/0x1c0
[  302.626577]  smp_apic_timer_interrupt+0x1cb/0x760
[  302.631407]  ? smp_reschedule_interrupt+0x109/0x650
[  302.636413]  ? smp_call_function_single_interrupt+0x650/0x650
[  302.642284]  ? interrupt_entry+0xb5/0xf0
[  302.646337]  ? trace_hardirqs_off_caller+0xbb/0x310
[  302.651343]  ? trace_hardirqs_off_caller+0xbb/0x310
[  302.656351]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  302.661187]  ? trace_hardirqs_on_caller+0x310/0x310
[  302.666196]  ? trace_hardirqs_on_caller+0x310/0x310
[  302.671200]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.676727]  ? check_preemption_disabled+0x48/0x200
[  302.681740]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  302.686581]  apic_timer_interrupt+0xf/0x20
[  302.690801]  </IRQ>
[  302.693030] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  302.698057] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  302.716949] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  302.724779] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  302.732035] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  302.739295] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  302.746551] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  302.753808] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  302.761083]  ? trace_hardirqs_on+0xb4/0x310
[  302.765399]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.770932]  skb_clone+0x1bb/0x500
[  302.774463]  ? finish_task_switch+0x2f5/0x900
[  302.778948]  ? skb_split+0x11e0/0x11e0
[  302.782830]  ? preempt_notifier_register+0x200/0x200
[  302.787923]  ? __switch_to_asm+0x34/0x70
[  302.791972]  ? __switch_to_asm+0x34/0x70
[  302.796021]  ? __switch_to_asm+0x40/0x70
[  302.800073]  ? __switch_to_asm+0x34/0x70
[  302.804122]  ? __switch_to_asm+0x40/0x70
[  302.808183]  ? __switch_to_asm+0x34/0x70
[  302.812233]  ? __switch_to_asm+0x40/0x70
[  302.816286]  ? __switch_to_asm+0x34/0x70
[  302.820338]  ? __switch_to_asm+0x34/0x70
[  302.824389]  ? __switch_to_asm+0x40/0x70
[  302.828441]  ? __switch_to_asm+0x34/0x70
[  302.832497]  bpf_clone_redirect+0xb9/0x490
[  302.836726]  ? __schedule+0x874/0x1ed0
[  302.840604]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  302.845523]  ? __sched_text_start+0x8/0x8
[  302.849664]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  302.854414]  ? retint_kernel+0x2d/0x2d
[  302.859252]  ? lock_acquire+0x1ed/0x520
[  302.863217]  ? bpf_test_run+0x32e/0x5a0
[  302.867185]  ? lock_release+0x970/0x970
[  302.871160]  ? preempt_schedule+0x4d/0x60
[  302.875302]  ? preempt_schedule_common+0x1f/0xd0
[  302.880048]  ? preempt_schedule+0x4d/0x60
[  302.884203]  ? ___preempt_schedule+0x16/0x18
[  302.888602]  ? bpf_test_run+0x1c0/0x5a0
[  302.892583]  ? netlink_diag_dump+0x2a0/0x2a0
[  302.896980]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.902504]  ? bpf_test_init.isra.9+0x70/0x100
[  302.907076]  ? bpf_prog_test_run_skb+0x634/0xb40
[  302.911824]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  302.916669]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  302.922195]  ? fput+0x130/0x1a0
[  302.925467]  ? __bpf_prog_get+0x9b/0x290
[  302.929518]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  302.934348]  ? bpf_prog_test_run+0x130/0x1a0
[  302.938752]  ? __x64_sys_bpf+0x3d8/0x510
[  302.942805]  ? bpf_prog_get+0x20/0x20
[  302.946604]  ? do_syscall_64+0x1b9/0x820
[  302.950653]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  302.956006]  ? syscall_return_slowpath+0x5e0/0x5e0
[  302.960928]  ? trace_hardirqs_on_caller+0x310/0x310
[  302.965938]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  302.970946]  ? recalc_sigpending_tsk+0x180/0x180
[  302.975693]  ? kasan_check_write+0x14/0x20
[  302.979924]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  302.984759]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  302.990129] warn_alloc_show_mem: 1 callbacks suppressed
[  302.990139] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  302.990146] Mem-Info:
[  302.995500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  303.002337] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  303.002337]  active_file:16 inactive_file:17 isolated_file:0
[  303.002337]  unevictable:0 dirty:0 writeback:0 unstable:0
[  303.002337]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  303.002337]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  303.002337]  free:13792 free_pcp:309 free_cma:0
[  303.004703] Call Trace:
[  303.014087] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  303.047561]  dump_stack+0x1c4/0x2b4
[  303.050119] Node 0 
[  303.077949]  ? dump_stack_print_info.cold.2+0x52/0x52
[  303.081563] 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
[  303.083764]  ? isolate_lru_page+0x22e0/0x22e0
[  303.088917] lowmem_reserve[]:
[  303.114904]  warn_alloc.cold.119+0xb7/0x1bd
[  303.119378]  0
[  303.122475]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  303.127180]  2819 6323
[  303.128988]  ? lock_downgrade+0x900/0x900
[  303.133793]  6323
[  303.136282]  ? trace_hardirqs_off+0xb8/0x310
[  303.140485] Node 0 
[  303.142533]  ? trace_hardirqs_off+0xb8/0x310
[  303.146933] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  303.149142]  __alloc_pages_slowpath+0x2667/0x2d80
[  303.153526] lowmem_reserve[]:
[  303.184246]  ? mark_held_locks+0x130/0x130
[  303.189050]  0
[  303.192143]  ? warn_alloc+0x120/0x120
[  303.196342]  0
[  303.198133]  ? warn_alloc+0x120/0x120
[  303.201901]  3503
[  303.203692]  ? warn_alloc+0x120/0x120
[  303.207455]  3503
[  303.209509]  ? mark_held_locks+0x130/0x130
[  303.213276] Node 0 
[  303.215329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.219552] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  303.221754]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  303.227257] lowmem_reserve[]:
[  303.256114]  ? should_fail+0x22d/0xd01
[  303.261616]  0 0
[  303.264717]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  303.268572]  0
[  303.270529]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  303.270544]  ? should_fail+0x22d/0xd01
[  303.275627]  0
[  303.277415]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  303.282927] Node 0 
[  303.286795]  ? should_fail+0x22d/0xd01
[  303.288565] DMA: 
[  303.294109]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  303.296321] 1*4kB 
[  303.300189]  ? mark_held_locks+0x130/0x130
[  303.302224] (U) 
[  303.309005]  ? mark_held_locks+0x130/0x130
[  303.311130] 0*8kB 
[  303.315624]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.317568] 0*16kB 
[  303.321787]  ? trace_hardirqs_off+0xb8/0x310
[  303.323904] 1*32kB 
[  303.329920]  ? kasan_check_read+0x11/0x20
[  303.332129] (U) 
[  303.336520]  ? do_raw_spin_unlock+0xa7/0x2f0
[  303.338720] 2*64kB (U) 
[  303.342855]  ? trace_hardirqs_on+0x310/0x310
[  303.344802] 1*128kB 
[  303.349195]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.351747] (U) 
[  303.356614]  ? wq_watchdog_touch+0x9c/0xfe
[  303.358921] 1*256kB 
[  303.364440]  ? io_serial_in+0x11/0x90
[  303.366382] (U) 
[  303.370600]  ? retint_kernel+0x2d/0x2d
[  303.372892] 0*512kB 
[  303.376675]  ? trace_hardirqs_on_caller+0xc0/0x310
[  303.378622] 1*1024kB 
[  303.382495]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  303.384788] (U) 
[  303.389703]  ? trace_hardirqs_off+0x310/0x310
[  303.392086] 1*2048kB 
[  303.396825]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  303.398770] (M) 
[  303.403253]  __alloc_pages_nodemask+0xa80/0xde0
[  303.405627] 3*4096kB 
[  303.410709]  ? should_fail+0x22d/0xd01
[  303.412651] (M) 
[  303.417305]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  303.419684] = 15908kB
[  303.423570]  ? ____cache_alloc_node+0x1c7/0x1e0
[  303.425506] Node 0 
[  303.430507]  ? lock_downgrade+0x900/0x900
[  303.432882] DMA32: 
[  303.437536]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.439742] 6*4kB 
[  303.443872]  cache_grow_begin+0x91/0x8c0
[  303.446085] (UME) 
[  303.452769]  ? do_raw_spin_unlock+0xa7/0x2f0
[  303.454886] 2*8kB 
[  303.458927]  fallback_alloc+0x203/0x2e0
[  303.461048] (UE) 
[  303.465443]  ____cache_alloc_node+0x1c7/0x1e0
[  303.467559] 4*16kB 
[  303.471629]  kmem_cache_alloc_node+0xe3/0x730
[  303.473658] (UME) 
[  303.478142]  ? ipv6_get_ifaddr+0x42e/0x620
[  303.480341] 4*32kB (UME) 
[  303.484830]  __alloc_skb+0x119/0x770
[  303.486950] 5*64kB 
[  303.491173]  ? skb_scrub_packet+0x490/0x490
[  303.493899] (ME) 
[  303.497602]  ? lock_downgrade+0x900/0x900
[  303.499803] 5*128kB 
[  303.504112]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.506144] (UME) 
[  303.510274]  ? refcount_sub_and_test_checked+0x203/0x310
[  303.512558] 4*256kB (ME) 
[  303.518090]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  303.520209] 5*512kB 
[  303.526123]  ? addrconf_rs_timer+0x690/0x690
[  303.528855] (UME) 4*1024kB 
[  303.534300]  ndisc_alloc_skb+0x144/0x340
[  303.536591] (UME) 
[  303.540990]  ndisc_send_rs+0x331/0x6e0
[  303.543888] 2*2048kB 
[  303.547942]  addrconf_rs_timer+0x314/0x690
[  303.550052] (ME) 3*4096kB 
[  303.553932]  ? lock_release+0x970/0x970
[  303.556312] (M) 
[  303.561060]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.563848] = 25256kB
[  303.567811]  call_timer_fn+0x272/0x920
[  303.569752] Node 0 
[  303.573972]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.576356] Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB
[  303.576407] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  303.576413] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  303.576416] 4986 total pagecache pages
[  303.576420] 0 pages in swap cache
[  303.576424] Swap cache stats: add 0, delete 0, find 0/0
[  303.576439] Free swap  = 0kB
[  303.576441] Total swap = 0kB
[  303.576445] 1965979 pages RAM
[  303.576447] 0 pages HighMem/MovableOnly
[  303.576450] 342307 pages reserved
[  303.576452] 0 pages cma reserved
[  303.576548] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  303.576551] syz-executor4 cpuset=syz4 mems_allowed=0
[  303.668373]  ? process_timeout+0x40/0x40
[  303.672429]  ? kasan_check_read+0x11/0x20
[  303.676569]  ? do_raw_spin_unlock+0xa7/0x2f0
[  303.680973]  ? trace_hardirqs_on+0x310/0x310
[  303.685372]  ? __run_timers+0x7da/0xc70
[  303.689340]  ? lock_downgrade+0x900/0x900
[  303.693481]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  303.698573]  ? trace_hardirqs_on+0xbd/0x310
[  303.702889]  ? kasan_check_read+0x11/0x20
[  303.707028]  ? __run_timers+0x7da/0xc70
[  303.710999]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  303.716438]  ? kasan_check_write+0x14/0x20
[  303.721101]  ? do_raw_spin_lock+0xc1/0x200
[  303.725328]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.729554]  __run_timers+0x7e5/0xc70
[  303.733356]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  303.738708]  ? compat_start_thread+0x80/0x80
[  303.743104]  ? dequeue_entity+0x1770/0x1770
[  303.747416]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.752949]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.758476]  ? kasan_check_write+0x14/0x20
[  303.763181]  ? finish_task_switch+0x2f5/0x900
[  303.767666]  ? __switch_to_asm+0x40/0x70
[  303.775538]  ? preempt_notifier_register+0x200/0x200
[  303.780628]  ? __switch_to_asm+0x34/0x70
[  303.784677]  ? __switch_to_asm+0x40/0x70
[  303.789232]  ? __switch_to_asm+0x34/0x70
[  303.793280]  ? __switch_to_asm+0x40/0x70
[  303.797340]  ? __switch_to_asm+0x34/0x70
[  303.801390]  ? __switch_to_asm+0x40/0x70
[  303.805449]  ? pvclock_read_flags+0x160/0x160
[  303.809933]  ? __schedule+0x874/0x1ed0
[  303.813809]  ? run_rebalance_domains+0x38d/0x500
[  303.818577]  ? trace_hardirqs_on+0xbd/0x310
[  303.822890]  ? kvm_sched_clock_read+0x9/0x20
[  303.827288]  ? run_ksoftirqd+0x94/0x100
[  303.831254]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.838074]  ? check_preemption_disabled+0x48/0x200
[  303.844641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.850182]  run_timer_softirq+0x52/0xb0
[  303.854234]  ? __this_cpu_preempt_check+0x1c/0x1f
[  303.859089]  __do_softirq+0x30b/0xad8
[  303.862887]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  303.867978]  ? trace_hardirqs_off+0xb8/0x310
[  303.872378]  ? schedule+0x108/0x460
[  303.875995]  ? __schedule+0x1ed0/0x1ed0
[  303.879959]  ? run_ksoftirqd+0x99/0x100
[  303.883923]  ? trace_hardirqs_off+0xb8/0x310
[  303.888319]  ? ___might_sleep+0x1ed/0x300
[  303.892456]  ? smpboot_thread_fn+0x68b/0xa00
[  303.896863]  ? trace_hardirqs_on+0x310/0x310
[  303.901263]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  303.906792]  ? check_preemption_disabled+0x48/0x200
[  303.911796]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.917328]  ? takeover_tasklets+0xa90/0xa90
[  303.921733]  run_ksoftirqd+0x94/0x100
[  303.925526]  smpboot_thread_fn+0x68b/0xa00
[  303.929752]  ? sort_range+0x30/0x30
[  303.933368]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  303.938466]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  303.943993]  ? __kthread_parkme+0xfb/0x1a0
[  303.948259]  kthread+0x35a/0x420
[  303.951663]  ? sort_range+0x30/0x30
[  303.955315]  ? kthread_bind+0x40/0x40
[  303.959117]  ret_from_fork+0x3a/0x50
[  303.963270] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  303.963319] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  303.970539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  303.970542] Call Trace:
[  303.970547]  <IRQ>
[  303.970564]  dump_stack+0x1c4/0x2b4
[  303.970580]  ? dump_stack_print_info.cold.2+0x52/0x52
[  303.977090] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  303.986396]  warn_alloc.cold.119+0xb7/0x1bd
[  303.988950] ksoftirqd/1 cpuset=
[  303.991085]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  303.994681] /
[  303.999870]  ? lock_downgrade+0x900/0x900
[  304.010151]  mems_allowed=0
[  304.014568]  ? trace_hardirqs_off+0xb8/0x310
[  304.036075]  ? trace_hardirqs_off+0xb8/0x310
[  304.040477]  __alloc_pages_slowpath+0x2667/0x2d80
[  304.045324]  ? warn_alloc+0x120/0x120
[  304.049153]  ? warn_alloc+0x120/0x120
[  304.052944]  ? warn_alloc+0x120/0x120
[  304.056732]  ? lock_release+0x970/0x970
[  304.060696]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  304.065875]  ? trace_hardirqs_on+0x310/0x310
[  304.070276]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.075806]  ? should_fail+0x22d/0xd01
[  304.079686]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  304.084781]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.090309]  ? should_fail+0x22d/0xd01
[  304.094189]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  304.099279]  ? should_fail+0x22d/0xd01
[  304.103158]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  304.108701]  ? mark_held_locks+0x130/0x130
[  304.112930]  ? mark_held_locks+0x130/0x130
[  304.117154]  ? kvm_clock_read+0x18/0x30
[  304.121119]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  304.126125]  ? mark_held_locks+0x130/0x130
[  304.130355]  ? kasan_check_read+0x11/0x20
[  304.134494]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  304.139758]  ? rcu_bh_qs+0xc0/0xc0
[  304.143291]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.148820]  ? check_preemption_disabled+0x48/0x200
[  304.153830]  __alloc_pages_nodemask+0xa80/0xde0
[  304.158491]  ? should_fail+0x22d/0xd01
[  304.162370]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  304.167389]  ? ____cache_alloc_node+0x1c7/0x1e0
[  304.172054]  ? lock_downgrade+0x900/0x900
[  304.176193]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.181723]  cache_grow_begin+0x91/0x8c0
[  304.185776]  ? do_raw_spin_unlock+0xa7/0x2f0
[  304.190176]  fallback_alloc+0x203/0x2e0
[  304.194144]  ____cache_alloc_node+0x1c7/0x1e0
[  304.198633]  kmem_cache_alloc_node+0xe3/0x730
[  304.203118]  ? ipv6_get_ifaddr+0x42e/0x620
[  304.207358]  __alloc_skb+0x119/0x770
[  304.211067]  ? skb_scrub_packet+0x490/0x490
[  304.215377]  ? lock_downgrade+0x900/0x900
[  304.219516]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.225045]  ? refcount_sub_and_test_checked+0x203/0x310
[  304.231272]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  304.236710]  ? addrconf_rs_timer+0x690/0x690
[  304.241125]  ndisc_alloc_skb+0x144/0x340
[  304.245179]  ndisc_send_rs+0x331/0x6e0
[  304.249066]  addrconf_rs_timer+0x314/0x690
[  304.253289]  ? neigh_invalidate+0x550/0x550
[  304.257603]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.261834]  call_timer_fn+0x272/0x920
[  304.265709]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.269935]  ? process_timeout+0x40/0x40
[  304.274507]  ? trace_hardirqs_off+0xb8/0x310
[  304.278905]  ? kasan_check_read+0x11/0x20
[  304.283064]  ? do_raw_spin_unlock+0xa7/0x2f0
[  304.287467]  ? trace_hardirqs_on+0x310/0x310
[  304.291888]  ? __run_timers+0x7da/0xc70
[  304.295873]  ? lock_downgrade+0x900/0x900
[  304.300019]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  304.305131]  ? trace_hardirqs_on+0xbd/0x310
[  304.309441]  ? kasan_check_read+0x11/0x20
[  304.313577]  ? __run_timers+0x7da/0xc70
[  304.317550]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  304.323014]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.328550]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.332785]  __run_timers+0x7e5/0xc70
[  304.336587]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  304.341943]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  304.346954]  ? timerqueue_add+0x207/0x2b0
[  304.351091]  ? enqueue_hrtimer+0x1a5/0x560
[  304.355316]  ? lock_release+0x970/0x970
[  304.359283]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  304.364464]  ? kasan_check_write+0x14/0x20
[  304.368694]  ? pvclock_read_flags+0x160/0x160
[  304.373184]  ? lock_downgrade+0x900/0x900
[  304.377330]  ? trace_hardirqs_on+0xbd/0x310
[  304.381641]  ? kvm_sched_clock_read+0x9/0x20
[  304.386042]  ? irq_exit+0x17f/0x1c0
[  304.389697]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.395229]  ? check_preemption_disabled+0x48/0x200
[  304.400236]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.405765]  run_timer_softirq+0x52/0xb0
[  304.409819]  ? __this_cpu_preempt_check+0x1c/0x1f
[  304.414651]  __do_softirq+0x30b/0xad8
[  304.418450]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  304.423544]  ? pvclock_read_flags+0x160/0x160
[  304.428039]  ? lapic_next_event+0x5a/0x90
[  304.432175]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.437700]  ? clockevents_program_event+0x140/0x370
[  304.442796]  ? kvm_clock_read+0x18/0x30
[  304.446759]  ? kvm_sched_clock_read+0x9/0x20
[  304.452045]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.457573]  ? check_preemption_disabled+0x48/0x200
[  304.462584]  irq_exit+0x17f/0x1c0
[  304.466033]  smp_apic_timer_interrupt+0x1cb/0x760
[  304.473180]  ? smp_reschedule_interrupt+0x109/0x650
[  304.478352]  ? smp_call_function_single_interrupt+0x650/0x650
[  304.484238]  ? interrupt_entry+0xb5/0xf0
[  304.488297]  ? trace_hardirqs_off_caller+0xbb/0x310
[  304.493300]  ? trace_hardirqs_off_caller+0xbb/0x310
[  304.498310]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  304.503143]  ? trace_hardirqs_on_caller+0x310/0x310
[  304.508152]  ? trace_hardirqs_on_caller+0x310/0x310
[  304.513158]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.518687]  ? check_preemption_disabled+0x48/0x200
[  304.523697]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  304.528533]  apic_timer_interrupt+0xf/0x20
[  304.532750]  </IRQ>
[  304.534988] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  304.539911] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  304.558818] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  304.567822] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  304.575078] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  304.582338] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  304.589600] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  304.596860] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  304.604134]  ? trace_hardirqs_on+0xb4/0x310
[  304.608449]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.613987]  skb_clone+0x1bb/0x500
[  304.617527]  ? finish_task_switch+0x2f5/0x900
[  304.622015]  ? skb_split+0x11e0/0x11e0
[  304.625893]  ? preempt_notifier_register+0x200/0x200
[  304.631103]  ? __switch_to_asm+0x34/0x70
[  304.635187]  ? __switch_to_asm+0x34/0x70
[  304.639252]  ? __switch_to_asm+0x40/0x70
[  304.643302]  ? __switch_to_asm+0x34/0x70
[  304.647354]  ? __switch_to_asm+0x40/0x70
[  304.651401]  ? __switch_to_asm+0x34/0x70
[  304.655451]  ? __switch_to_asm+0x40/0x70
[  304.659499]  ? __switch_to_asm+0x34/0x70
[  304.663547]  ? __switch_to_asm+0x34/0x70
[  304.667596]  ? __switch_to_asm+0x40/0x70
[  304.671652]  ? __switch_to_asm+0x34/0x70
[  304.675708]  bpf_clone_redirect+0xb9/0x490
[  304.679959]  ? __schedule+0x874/0x1ed0
[  304.683919]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  304.688841]  ? __sched_text_start+0x8/0x8
[  304.692990]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  304.697747]  ? retint_kernel+0x2d/0x2d
[  304.701632]  ? lock_acquire+0x1ed/0x520
[  304.705595]  ? bpf_test_run+0x32e/0x5a0
[  304.709560]  ? lock_release+0x970/0x970
[  304.713525]  ? preempt_schedule+0x4d/0x60
[  304.717665]  ? preempt_schedule_common+0x1f/0xd0
[  304.722412]  ? preempt_schedule+0x4d/0x60
[  304.726551]  ? ___preempt_schedule+0x16/0x18
[  304.730952]  ? bpf_test_run+0x1c0/0x5a0
[  304.734926]  ? netlink_diag_dump+0x2a0/0x2a0
[  304.739326]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.744854]  ? bpf_test_init.isra.9+0x70/0x100
[  304.749429]  ? bpf_prog_test_run_skb+0x634/0xb40
[  304.754179]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  304.759019]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  304.764544]  ? fput+0x130/0x1a0
[  304.767811]  ? __bpf_prog_get+0x9b/0x290
[  304.771864]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  304.776693]  ? bpf_prog_test_run+0x130/0x1a0
[  304.781094]  ? __x64_sys_bpf+0x3d8/0x510
[  304.785144]  ? bpf_prog_get+0x20/0x20
[  304.788945]  ? do_syscall_64+0x1b9/0x820
[  304.793065]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  304.798414]  ? syscall_return_slowpath+0x5e0/0x5e0
[  304.803346]  ? trace_hardirqs_on_caller+0x310/0x310
[  304.808353]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  304.813362]  ? recalc_sigpending_tsk+0x180/0x180
[  304.818109]  ? kasan_check_write+0x14/0x20
[  304.822335]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  304.827172]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  304.832532] warn_alloc_show_mem: 1 callbacks suppressed
[  304.832541] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  304.832543] Mem-Info:
[  304.832575] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  304.832575]  active_file:16 inactive_file:17 isolated_file:0
[  304.832575]  unevictable:0 dirty:0 writeback:0 unstable:0
[  304.832575]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  304.832575]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  304.832575]  free:13792 free_pcp:309 free_cma:0
[  304.837902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  304.844735] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  304.847119] Call Trace:
[  304.880145] Node 0 
[  304.889495]  dump_stack+0x1c4/0x2b4
[  304.917323] 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
[  304.919876]  ? dump_stack_print_info.cold.2+0x52/0x52
[  304.922078] lowmem_reserve[]:
[  304.925687]  ? isolate_lru_page+0x22e0/0x22e0
[  304.951157]  0
[  304.956331]  warn_alloc.cold.119+0xb7/0x1bd
[  304.959406]  2819
[  304.963887]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  304.965653]  6323 6323
[  304.970788]  ? lock_downgrade+0x900/0x900
[  304.970805]  ? trace_hardirqs_off+0xb8/0x310
[  304.977680]  ? trace_hardirqs_off+0xb8/0x310
[  304.980144] Node 0 
[  304.984788]  __alloc_pages_slowpath+0x2667/0x2d80
[  304.989188] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  304.993567]  ? mark_held_locks+0x130/0x130
[  304.995765] lowmem_reserve[]:
[  305.000591]  ? warn_alloc+0x120/0x120
[  305.027529]  0 0
[  305.031760]  ? warn_alloc+0x120/0x120
[  305.034832]  3503
[  305.038614]  ? warn_alloc+0x120/0x120
[  305.040561]  3503
[  305.044343]  ? mark_held_locks+0x130/0x130
[  305.050159]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.052191] Node 0 
[  305.056409]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.061934] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  305.064135]  ? should_fail+0x22d/0xd01
[  305.069637] lowmem_reserve[]:
[  305.097992]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  305.101845]  0
[  305.104943]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.110487]  0
[  305.112274]  ? should_fail+0x22d/0xd01
[  305.117776]  0
[  305.119564]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  305.123419]  0
[  305.125205]  ? should_fail+0x22d/0xd01
[  305.132065]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  305.135919] Node 0 DMA: 
[  305.141011]  ? mark_held_locks+0x130/0x130
[  305.141025]  ? mark_held_locks+0x130/0x130
[  305.143672] 1*4kB 
[  305.147890]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.152098] (U) 
[  305.154234]  ? trace_hardirqs_off+0xb8/0x310
[  305.159743] 0*8kB 
[  305.161700]  ? kasan_check_read+0x11/0x20
[  305.166078] 0*16kB 
[  305.168214]  ? do_raw_spin_unlock+0xa7/0x2f0
[  305.172326] 1*32kB (U) 
[  305.174553]  ? trace_hardirqs_on+0x310/0x310
[  305.178932] 2*64kB (U) 
[  305.181512]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.185886] 1*128kB 
[  305.188461]  ? wq_watchdog_touch+0x9c/0xfe
[  305.193961] (U) 1*256kB 
[  305.196280]  ? io_serial_in+0x11/0x90
[  305.200480] (U) 
[  305.203139]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.206911] 0*512kB 
[  305.208881]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  305.214569] 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  305.214586] Node 0 DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB
[  305.214640] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB
[  305.214717] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  305.214723] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  305.214726] 4986 total pagecache pages
[  305.214729] 0 pages in swap cache
[  305.214734] Swap cache stats: add 0, delete 0, find 0/0
[  305.214736] Free swap  = 0kB
[  305.214738] Total swap = 0kB
[  305.214754] 1965979 pages RAM
[  305.214756] 0 pages HighMem/MovableOnly
[  305.214759] 342307 pages reserved
[  305.214761] 0 pages cma reserved
[  305.214818] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  305.214868] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  305.214871] syz-executor4 cpuset=syz4 mems_allowed=0
[  305.335482]  __alloc_pages_nodemask+0xa80/0xde0
[  305.340616]  ? should_fail+0x22d/0xd01
[  305.344516]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  305.349535]  ? ____cache_alloc_node+0x1c7/0x1e0
[  305.354193]  ? lock_downgrade+0x900/0x900
[  305.358336]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.363870]  cache_grow_begin+0x91/0x8c0
[  305.367931]  ? do_raw_spin_unlock+0xa7/0x2f0
[  305.372333]  fallback_alloc+0x203/0x2e0
[  305.376788]  ____cache_alloc_node+0x1c7/0x1e0
[  305.381274]  kmem_cache_alloc_node+0xe3/0x730
[  305.385760]  ? ipv6_get_ifaddr+0x42e/0x620
[  305.389987]  __alloc_skb+0x119/0x770
[  305.393690]  ? skb_scrub_packet+0x490/0x490
[  305.398004]  ? lock_downgrade+0x900/0x900
[  305.402463]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.407990]  ? refcount_sub_and_test_checked+0x203/0x310
[  305.413435]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  305.418874]  ? addrconf_rs_timer+0x690/0x690
[  305.423276]  ndisc_alloc_skb+0x144/0x340
[  305.427330]  ndisc_send_rs+0x331/0x6e0
[  305.431213]  addrconf_rs_timer+0x314/0x690
[  305.435439]  ? lock_release+0x970/0x970
[  305.439404]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.443640]  call_timer_fn+0x272/0x920
[  305.447516]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.455336]  ? process_timeout+0x40/0x40
[  305.459389]  ? kasan_check_read+0x11/0x20
[  305.463532]  ? do_raw_spin_unlock+0xa7/0x2f0
[  305.468694]  ? trace_hardirqs_on+0x310/0x310
[  305.473097]  ? __run_timers+0x7da/0xc70
[  305.477062]  ? lock_downgrade+0x900/0x900
[  305.481209]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  305.486304]  ? trace_hardirqs_on+0xbd/0x310
[  305.490612]  ? kasan_check_read+0x11/0x20
[  305.494749]  ? __run_timers+0x7da/0xc70
[  305.498715]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  305.504155]  ? kasan_check_write+0x14/0x20
[  305.508378]  ? do_raw_spin_lock+0xc1/0x200
[  305.512607]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.516830]  __run_timers+0x7e5/0xc70
[  305.520627]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  305.525978]  ? compat_start_thread+0x80/0x80
[  305.530391]  ? dequeue_entity+0x1770/0x1770
[  305.534703]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.540234]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.545763]  ? kasan_check_write+0x14/0x20
[  305.549990]  ? finish_task_switch+0x2f5/0x900
[  305.554472]  ? __switch_to_asm+0x40/0x70
[  305.558525]  ? preempt_notifier_register+0x200/0x200
[  305.563617]  ? __switch_to_asm+0x34/0x70
[  305.567666]  ? __switch_to_asm+0x40/0x70
[  305.572204]  ? __switch_to_asm+0x34/0x70
[  305.576271]  ? __switch_to_asm+0x40/0x70
[  305.580318]  ? __switch_to_asm+0x34/0x70
[  305.584370]  ? __switch_to_asm+0x40/0x70
[  305.588428]  ? pvclock_read_flags+0x160/0x160
[  305.592934]  ? __schedule+0x874/0x1ed0
[  305.596813]  ? run_rebalance_domains+0x38d/0x500
[  305.601575]  ? trace_hardirqs_on+0xbd/0x310
[  305.606327]  ? kvm_sched_clock_read+0x9/0x20
[  305.610729]  ? run_ksoftirqd+0x94/0x100
[  305.614828]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.620357]  ? check_preemption_disabled+0x48/0x200
[  305.625363]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.631612]  run_timer_softirq+0x52/0xb0
[  305.638633]  ? __this_cpu_preempt_check+0x1c/0x1f
[  305.643469]  __do_softirq+0x30b/0xad8
[  305.647265]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  305.652356]  ? trace_hardirqs_off+0xb8/0x310
[  305.656758]  ? schedule+0x108/0x460
[  305.660375]  ? __schedule+0x1ed0/0x1ed0
[  305.664340]  ? run_ksoftirqd+0x99/0x100
[  305.668304]  ? trace_hardirqs_off+0xb8/0x310
[  305.672703]  ? ___might_sleep+0x1ed/0x300
[  305.676842]  ? smpboot_thread_fn+0x68b/0xa00
[  305.681243]  ? trace_hardirqs_on+0x310/0x310
[  305.685642]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.691678]  ? check_preemption_disabled+0x48/0x200
[  305.696685]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.702217]  ? takeover_tasklets+0xa90/0xa90
[  305.706957]  run_ksoftirqd+0x94/0x100
[  305.710749]  smpboot_thread_fn+0x68b/0xa00
[  305.715116]  ? sort_range+0x30/0x30
[  305.719867]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  305.724985]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.730516]  ? __kthread_parkme+0xfb/0x1a0
[  305.734745]  kthread+0x35a/0x420
[  305.738103]  ? sort_range+0x30/0x30
[  305.741717]  ? kthread_bind+0x40/0x40
[  305.745599]  ret_from_fork+0x3a/0x50
[  305.749312] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  305.749367] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  305.756576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  305.756580] Call Trace:
[  305.756585]  <IRQ>
[  305.756600]  dump_stack+0x1c4/0x2b4
[  305.756617]  ? dump_stack_print_info.cold.2+0x52/0x52
[  305.763498] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  305.772785]  warn_alloc.cold.119+0xb7/0x1bd
[  305.775333] ksoftirqd/1 cpuset=
[  305.777471]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  305.781062] /
[  305.786240]  ? lock_downgrade+0x900/0x900
[  305.796519]  mems_allowed=0
[  305.800824]  ? trace_hardirqs_off+0xb8/0x310
[  305.822028]  ? trace_hardirqs_off+0xb8/0x310
[  305.826431]  __alloc_pages_slowpath+0x2667/0x2d80
[  305.831275]  ? warn_alloc+0x120/0x120
[  305.835069]  ? warn_alloc+0x120/0x120
[  305.838859]  ? warn_alloc+0x120/0x120
[  305.842652]  ? lock_release+0x970/0x970
[  305.846620]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  305.851800]  ? trace_hardirqs_on+0x310/0x310
[  305.856200]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.861728]  ? should_fail+0x22d/0xd01
[  305.865609]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  305.870701]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.876226]  ? should_fail+0x22d/0xd01
[  305.880103]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  305.885194]  ? should_fail+0x22d/0xd01
[  305.889076]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  305.894182]  ? mark_held_locks+0x130/0x130
[  305.898409]  ? mark_held_locks+0x130/0x130
[  305.902638]  ? kvm_clock_read+0x18/0x30
[  305.906603]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  305.911610]  ? ktime_get+0x2e1/0x440
[  305.915314]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.920841]  ? check_preemption_disabled+0x48/0x200
[  305.925943]  ? kasan_check_read+0x11/0x20
[  305.930085]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  305.935354]  ? rcu_bh_qs+0xc0/0xc0
[  305.938895]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.944425]  ? check_preemption_disabled+0x48/0x200
[  305.949431]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  305.954438]  ? widen_string+0xe0/0x2e0
[  305.958322]  __alloc_pages_nodemask+0xa80/0xde0
[  305.962981]  ? should_fail+0x22d/0xd01
[  305.966867]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  305.971895]  ? ____cache_alloc_node+0x1c7/0x1e0
[  305.976569]  ? lock_downgrade+0x900/0x900
[  305.980707]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.986232]  cache_grow_begin+0x91/0x8c0
[  305.990283]  ? do_raw_spin_unlock+0xa7/0x2f0
[  305.994688]  fallback_alloc+0x203/0x2e0
[  305.998659]  ____cache_alloc_node+0x1c7/0x1e0
[  306.003150]  kmem_cache_alloc_node+0xe3/0x730
[  306.007639]  ? ipv6_get_ifaddr+0x42e/0x620
[  306.011877]  __alloc_skb+0x119/0x770
[  306.015587]  ? skb_scrub_packet+0x490/0x490
[  306.019902]  ? lock_downgrade+0x900/0x900
[  306.024047]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.029591]  ? refcount_sub_and_test_checked+0x203/0x310
[  306.035033]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  306.040476]  ? addrconf_rs_timer+0x690/0x690
[  306.044892]  ndisc_alloc_skb+0x144/0x340
[  306.048947]  ndisc_send_rs+0x331/0x6e0
[  306.052829]  addrconf_rs_timer+0x314/0x690
[  306.057058]  ? neigh_invalidate+0x550/0x550
[  306.061370]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.065601]  call_timer_fn+0x272/0x920
[  306.069481]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.073705]  ? process_timeout+0x40/0x40
[  306.077755]  ? trace_hardirqs_off+0xb8/0x310
[  306.082157]  ? kasan_check_read+0x11/0x20
[  306.086296]  ? do_raw_spin_unlock+0xa7/0x2f0
[  306.090697]  ? trace_hardirqs_on+0x310/0x310
[  306.095101]  ? __run_timers+0x7da/0xc70
[  306.099065]  ? lock_downgrade+0x900/0x900
[  306.103204]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  306.108801]  ? trace_hardirqs_on+0xbd/0x310
[  306.113114]  ? kasan_check_read+0x11/0x20
[  306.117260]  ? __run_timers+0x7da/0xc70
[  306.121226]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  306.126667]  ? kasan_check_write+0x14/0x20
[  306.130895]  ? do_raw_spin_lock+0xc1/0x200
[  306.135123]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.139347]  __run_timers+0x7e5/0xc70
[  306.143147]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  306.148501]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  306.153509]  ? timerqueue_add+0x207/0x2b0
[  306.157647]  ? enqueue_hrtimer+0x1a5/0x560
[  306.161878]  ? lock_release+0x970/0x970
[  306.165851]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  306.171035]  ? kasan_check_write+0x14/0x20
[  306.175266]  ? pvclock_read_flags+0x160/0x160
[  306.179754]  ? lock_downgrade+0x900/0x900
[  306.183896]  ? trace_hardirqs_on+0xbd/0x310
[  306.188205]  ? kvm_sched_clock_read+0x9/0x20
[  306.192602]  ? irq_exit+0x17f/0x1c0
[  306.196218]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.201748]  ? check_preemption_disabled+0x48/0x200
[  306.206756]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.212285]  run_timer_softirq+0x52/0xb0
[  306.216340]  ? __this_cpu_preempt_check+0x1c/0x1f
[  306.221174]  __do_softirq+0x30b/0xad8
[  306.224973]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  306.230069]  ? pvclock_read_flags+0x160/0x160
[  306.234554]  ? lapic_next_event+0x5a/0x90
[  306.238694]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.244223]  ? clockevents_program_event+0x140/0x370
[  306.249333]  ? kvm_clock_read+0x18/0x30
[  306.253295]  ? kvm_sched_clock_read+0x9/0x20
[  306.257697]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.263223]  ? check_preemption_disabled+0x48/0x200
[  306.268255]  irq_exit+0x17f/0x1c0
[  306.271702]  smp_apic_timer_interrupt+0x1cb/0x760
[  306.276920]  ? smp_reschedule_interrupt+0x109/0x650
[  306.281966]  ? smp_call_function_single_interrupt+0x650/0x650
[  306.287848]  ? interrupt_entry+0xb5/0xf0
[  306.291904]  ? trace_hardirqs_off_caller+0xbb/0x310
[  306.296909]  ? trace_hardirqs_off_caller+0xbb/0x310
[  306.301916]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  306.306746]  ? trace_hardirqs_on_caller+0x310/0x310
[  306.311753]  ? trace_hardirqs_on_caller+0x310/0x310
[  306.316759]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.322287]  ? check_preemption_disabled+0x48/0x200
[  306.327294]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  306.332145]  apic_timer_interrupt+0xf/0x20
[  306.336365]  </IRQ>
[  306.338609] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  306.343529] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  306.362418] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  306.370115] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  306.377545] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  306.384805] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  306.392067] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  306.399329] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  306.406601]  ? trace_hardirqs_on+0xb4/0x310
[  306.410918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.416450]  skb_clone+0x1bb/0x500
[  306.419990]  ? finish_task_switch+0x2f5/0x900
[  306.424473]  ? skb_split+0x11e0/0x11e0
[  306.428350]  ? preempt_notifier_register+0x200/0x200
[  306.433445]  ? __switch_to_asm+0x34/0x70
[  306.437495]  ? __switch_to_asm+0x34/0x70
[  306.441544]  ? __switch_to_asm+0x40/0x70
[  306.445594]  ? __switch_to_asm+0x34/0x70
[  306.452351]  ? __switch_to_asm+0x40/0x70
[  306.456405]  ? __switch_to_asm+0x34/0x70
[  306.460459]  ? __switch_to_asm+0x40/0x70
[  306.464508]  ? __switch_to_asm+0x34/0x70
[  306.469074]  ? __switch_to_asm+0x34/0x70
[  306.473119]  ? __switch_to_asm+0x40/0x70
[  306.477168]  ? __switch_to_asm+0x34/0x70
[  306.481229]  bpf_clone_redirect+0xb9/0x490
[  306.485457]  ? __schedule+0x874/0x1ed0
[  306.489338]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  306.494262]  ? __sched_text_start+0x8/0x8
[  306.498402]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  306.503150]  ? retint_kernel+0x2d/0x2d
[  306.507035]  ? lock_acquire+0x1ed/0x520
[  306.510995]  ? bpf_test_run+0x32e/0x5a0
[  306.514961]  ? lock_release+0x970/0x970
[  306.518925]  ? preempt_schedule+0x4d/0x60
[  306.523062]  ? preempt_schedule_common+0x1f/0xd0
[  306.527809]  ? preempt_schedule+0x4d/0x60
[  306.531962]  ? ___preempt_schedule+0x16/0x18
[  306.536363]  ? bpf_test_run+0x1c0/0x5a0
[  306.540330]  ? netlink_diag_dump+0x2a0/0x2a0
[  306.544732]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.550260]  ? bpf_test_init.isra.9+0x70/0x100
[  306.554841]  ? bpf_prog_test_run_skb+0x634/0xb40
[  306.559588]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  306.564423]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  306.569948]  ? fput+0x130/0x1a0
[  306.573218]  ? __bpf_prog_get+0x9b/0x290
[  306.577272]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  306.582101]  ? bpf_prog_test_run+0x130/0x1a0
[  306.586514]  ? __x64_sys_bpf+0x3d8/0x510
[  306.590564]  ? bpf_prog_get+0x20/0x20
[  306.594366]  ? do_syscall_64+0x1b9/0x820
[  306.598416]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  306.603775]  ? syscall_return_slowpath+0x5e0/0x5e0
[  306.608695]  ? trace_hardirqs_on_caller+0x310/0x310
[  306.613704]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  306.618708]  ? recalc_sigpending_tsk+0x180/0x180
[  306.623454]  ? kasan_check_write+0x14/0x20
[  306.627699]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  306.632555]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  306.637916] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  306.637921] warn_alloc_show_mem: 1 callbacks suppressed
[  306.637927] Mem-Info:
[  306.647549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  306.652908] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  306.652908]  active_file:16 inactive_file:17 isolated_file:0
[  306.652908]  unevictable:0 dirty:0 writeback:0 unstable:0
[  306.652908]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  306.652908]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  306.652908]  free:13792 free_pcp:309 free_cma:0
[  306.655765] Call Trace:
[  306.665144] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  306.698165]  dump_stack+0x1c4/0x2b4
[  306.700717] Node 0 
[  306.729060]  ? dump_stack_print_info.cold.2+0x52/0x52
[  306.732677] 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
[  306.734881]  ? isolate_lru_page+0x22e0/0x22e0
[  306.740032] lowmem_reserve[]: 0
[  306.765526]  warn_alloc.cold.119+0xb7/0x1bd
[  306.769985]  2819
[  306.773248]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  306.777535]  6323
[  306.779582]  ? lock_downgrade+0x900/0x900
[  306.784389]  6323
[  306.786891]  ? trace_hardirqs_off+0xb8/0x310
[  306.793050]  ? trace_hardirqs_off+0xb8/0x310
[  306.797428] Node 0 DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  306.801846]  __alloc_pages_slowpath+0x2667/0x2d80
[  306.801869]  ? mark_held_locks+0x130/0x130
[  306.829408] lowmem_reserve[]: 0
[  306.834705]  ? warn_alloc+0x120/0x120
[  306.838905]  0
[  306.842166]  ? warn_alloc+0x120/0x120
[  306.845938]  3503
[  306.847727]  ? warn_alloc+0x120/0x120
[  306.851498]  3503
[  306.853543]  ? mark_held_locks+0x130/0x130
[  306.859367]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.863568] Node 0 
[  306.869085]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.869107] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  306.869112] lowmem_reserve[]:
[  306.871337]  ? should_fail+0x22d/0xd01
[  306.876984]  0
[  306.906649]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  306.909722]  0
[  306.913594]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.915363]  0
[  306.920452]  ? should_fail+0x22d/0xd01
[  306.922222]  0
[  306.927744]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  306.933380]  ? should_fail+0x22d/0xd01
[  306.935155] Node 0 
[  306.940254]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  306.944107] DMA: 
[  306.946331]  ? mark_held_locks+0x130/0x130
[  306.951404] 1*4kB 
[  306.953462]  ? mark_held_locks+0x130/0x130
[  306.957664] (U) 
[  306.959804]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.964008] 0*8kB 
[  306.965971]  ? trace_hardirqs_off+0xb8/0x310
[  306.971477] 0*16kB 
[  306.973611]  ? kasan_check_read+0x11/0x20
[  306.977987] 1*32kB 
[  306.980213]  ? do_raw_spin_unlock+0xa7/0x2f0
[  306.984328] (U) 
[  306.986551]  ? trace_hardirqs_on+0x310/0x310
[  306.990927] 2*64kB (U) 
[  306.992897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.997272] 1*128kB 
[  306.999838]  ? wq_watchdog_touch+0x9c/0xfe
[  307.005339] (U) 1*256kB 
[  307.007661]  ? io_serial_in+0x11/0x90
[  307.011859] (U) 
[  307.014517]  ? retint_kernel+0x2d/0x2d
[  307.018287] 0*512kB 
[  307.020250]  ? trace_hardirqs_on_caller+0xc0/0x310
[  307.024104] 1*1024kB 
[  307.026413]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  307.031419] (U) 
[  307.033822]  ? trace_hardirqs_off+0x310/0x310
[  307.038548] 1*2048kB 
[  307.040511]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  307.044967] (M) 3*4096kB (M) = 15908kB
[  307.044978] Node 0 DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB
[  307.045043] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB
[  307.045094] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  307.045111] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  307.045114] 4986 total pagecache pages
[  307.045118] 0 pages in swap cache
[  307.045123] Swap cache stats: add 0, delete 0, find 0/0
[  307.045125] Free swap  = 0kB
[  307.045128] Total swap = 0kB
[  307.045131] 1965979 pages RAM
[  307.045134] 0 pages HighMem/MovableOnly
[  307.045136] 342307 pages reserved
[  307.045138] 0 pages cma reserved
[  307.045216] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  307.047607]  __alloc_pages_nodemask+0xa80/0xde0
[  307.052744] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  307.056558]  ? should_fail+0x22d/0xd01
[  307.072654] syz-executor4 cpuset=
[  307.087855]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  307.096656] syz4
[  307.105244]  ? ____cache_alloc_node+0x1c7/0x1e0
[  307.109105]  mems_allowed=0
[  307.112554]  ? lock_downgrade+0x900/0x900
[  307.185832]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.191363]  cache_grow_begin+0x91/0x8c0
[  307.195419]  ? do_raw_spin_unlock+0xa7/0x2f0
[  307.200291]  fallback_alloc+0x203/0x2e0
[  307.204271]  ____cache_alloc_node+0x1c7/0x1e0
[  307.208768]  kmem_cache_alloc_node+0xe3/0x730
[  307.213261]  ? ipv6_get_ifaddr+0x42e/0x620
[  307.217493]  __alloc_skb+0x119/0x770
[  307.221202]  ? skb_scrub_packet+0x490/0x490
[  307.225515]  ? lock_downgrade+0x900/0x900
[  307.229656]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.235198]  ? refcount_sub_and_test_checked+0x203/0x310
[  307.240644]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  307.246598]  ? addrconf_rs_timer+0x690/0x690
[  307.251004]  ndisc_alloc_skb+0x144/0x340
[  307.255058]  ndisc_send_rs+0x331/0x6e0
[  307.258942]  addrconf_rs_timer+0x314/0x690
[  307.263166]  ? lock_release+0x970/0x970
[  307.267133]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  307.271362]  call_timer_fn+0x272/0x920
[  307.275241]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  307.279468]  ? process_timeout+0x40/0x40
[  307.283517]  ? kasan_check_read+0x11/0x20
[  307.287655]  ? do_raw_spin_unlock+0xa7/0x2f0
[  307.292055]  ? trace_hardirqs_on+0x310/0x310
[  307.296460]  ? __run_timers+0x7da/0xc70
[  307.300427]  ? lock_downgrade+0x900/0x900
[  307.304566]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  307.309663]  ? trace_hardirqs_on+0xbd/0x310
[  307.313970]  ? kasan_check_read+0x11/0x20
[  307.318109]  ? __run_timers+0x7da/0xc70
[  307.322076]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  307.327517]  ? kasan_check_write+0x14/0x20
[  307.331760]  ? do_raw_spin_lock+0xc1/0x200
[  307.335987]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  307.341313]  __run_timers+0x7e5/0xc70
[  307.345582]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  307.350936]  ? compat_start_thread+0x80/0x80
[  307.355337]  ? dequeue_entity+0x1770/0x1770
[  307.360140]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.365667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.371196]  ? kasan_check_write+0x14/0x20
[  307.375422]  ? finish_task_switch+0x2f5/0x900
[  307.379905]  ? __switch_to_asm+0x40/0x70
[  307.383963]  ? preempt_notifier_register+0x200/0x200
[  307.389521]  ? __switch_to_asm+0x34/0x70
[  307.393570]  ? __switch_to_asm+0x40/0x70
[  307.397621]  ? __switch_to_asm+0x34/0x70
[  307.401670]  ? __switch_to_asm+0x40/0x70
[  307.405717]  ? __switch_to_asm+0x34/0x70
[  307.409777]  ? __switch_to_asm+0x40/0x70
[  307.413837]  ? pvclock_read_flags+0x160/0x160
[  307.418326]  ? __schedule+0x874/0x1ed0
[  307.422703]  ? run_rebalance_domains+0x38d/0x500
[  307.427457]  ? trace_hardirqs_on+0xbd/0x310
[  307.432203]  ? kvm_sched_clock_read+0x9/0x20
[  307.438791]  ? run_ksoftirqd+0x94/0x100
[  307.443564]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.453075]  ? check_preemption_disabled+0x48/0x200
[  307.458093]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.463623]  run_timer_softirq+0x52/0xb0
[  307.469568]  ? __this_cpu_preempt_check+0x1c/0x1f
[  307.474406]  __do_softirq+0x30b/0xad8
[  307.478203]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  307.483297]  ? trace_hardirqs_off+0xb8/0x310
[  307.489535]  ? schedule+0x108/0x460
[  307.493158]  ? __schedule+0x1ed0/0x1ed0
[  307.497125]  ? run_ksoftirqd+0x99/0x100
[  307.501570]  ? trace_hardirqs_off+0xb8/0x310
[  307.507132]  ? ___might_sleep+0x1ed/0x300
[  307.511282]  ? smpboot_thread_fn+0x68b/0xa00
[  307.515682]  ? trace_hardirqs_on+0x310/0x310
[  307.520083]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.525615]  ? check_preemption_disabled+0x48/0x200
[  307.530623]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.536153]  ? takeover_tasklets+0xa90/0xa90
[  307.540997]  run_ksoftirqd+0x94/0x100
[  307.544793]  smpboot_thread_fn+0x68b/0xa00
[  307.549020]  ? sort_range+0x30/0x30
[  307.552642]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  307.557743]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.563275]  ? __kthread_parkme+0xfb/0x1a0
[  307.567501]  kthread+0x35a/0x420
[  307.570854]  ? sort_range+0x30/0x30
[  307.574467]  ? kthread_bind+0x40/0x40
[  307.578260]  ret_from_fork+0x3a/0x50
[  307.583655] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  307.583704] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  307.590922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  307.590925] Call Trace:
[  307.590930]  <IRQ>
[  307.590945]  dump_stack+0x1c4/0x2b4
[  307.590962]  ? dump_stack_print_info.cold.2+0x52/0x52
[  307.597473] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  307.607236]  warn_alloc.cold.119+0xb7/0x1bd
[  307.609788] ksoftirqd/1 cpuset=
[  307.611938]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  307.615530] /
[  307.620712]  ? lock_downgrade+0x900/0x900
[  307.631007]  mems_allowed=0
[  307.635314]  ? trace_hardirqs_off+0xb8/0x310
[  307.656497]  ? trace_hardirqs_off+0xb8/0x310
[  307.660929]  __alloc_pages_slowpath+0x2667/0x2d80
[  307.665780]  ? warn_alloc+0x120/0x120
[  307.669570]  ? trace_hardirqs_on+0x310/0x310
[  307.673971]  ? warn_alloc+0x120/0x120
[  307.677770]  ? warn_alloc+0x120/0x120
[  307.681565]  ? ktime_get+0x2e1/0x440
[  307.685273]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.690806]  ? check_preemption_disabled+0x48/0x200
[  307.695818]  ? kasan_check_read+0x11/0x20
[  307.699959]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.705505]  ? should_fail+0x22d/0xd01
[  307.709387]  ? rcu_bh_qs+0xc0/0xc0
[  307.712918]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  307.718008]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.723534]  ? should_fail+0x22d/0xd01
[  307.727413]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  307.732546]  ? should_fail+0x22d/0xd01
[  307.736444]  ? rcu_idle_enter+0x4b0/0x4b0
[  307.740584]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  307.745679]  ? mark_held_locks+0x130/0x130
[  307.749916]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.755444]  ? mark_held_locks+0x130/0x130
[  307.759672]  ? rcu_irq_exit+0xce/0x100
[  307.763552]  ? irq_exit+0xbd/0x1c0
[  307.767084]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  307.772090]  ? do_raw_spin_unlock+0xa7/0x2f0
[  307.776492]  ? smp_call_function_single_interrupt+0x650/0x650
[  307.782364]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.787888]  ? ret_from_intr+0xb/0x1e
[  307.791680]  ? retint_kernel+0x2d/0x2d
[  307.795563]  ? trace_hardirqs_on_caller+0xc0/0x310
[  307.800484]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  307.805230]  ? trace_hardirqs_off+0x310/0x310
[  307.809824]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  307.814927]  __alloc_pages_nodemask+0xa80/0xde0
[  307.819587]  ? should_fail+0x22d/0xd01
[  307.823467]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  307.828484]  ? ____cache_alloc_node+0x1c7/0x1e0
[  307.833145]  ? lock_downgrade+0x900/0x900
[  307.837285]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.842817]  cache_grow_begin+0x91/0x8c0
[  307.846868]  ? do_raw_spin_unlock+0xa7/0x2f0
[  307.851269]  fallback_alloc+0x203/0x2e0
[  307.855241]  ____cache_alloc_node+0x1c7/0x1e0
[  307.859737]  kmem_cache_alloc_node+0xe3/0x730
[  307.864227]  ? ipv6_get_ifaddr+0x42e/0x620
[  307.868455]  __alloc_skb+0x119/0x770
[  307.872158]  ? skb_scrub_packet+0x490/0x490
[  307.876466]  ? lock_downgrade+0x900/0x900
[  307.880610]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.886138]  ? refcount_sub_and_test_checked+0x203/0x310
[  307.891581]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  307.897022]  ? addrconf_rs_timer+0x690/0x690
[  307.901427]  ndisc_alloc_skb+0x144/0x340
[  307.905481]  ndisc_send_rs+0x331/0x6e0
[  307.909362]  addrconf_rs_timer+0x314/0x690
[  307.913587]  ? neigh_invalidate+0x550/0x550
[  307.917904]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  307.922135]  call_timer_fn+0x272/0x920
[  307.926011]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  307.930238]  ? process_timeout+0x40/0x40
[  307.934293]  ? trace_hardirqs_off+0xb8/0x310
[  307.938688]  ? kasan_check_read+0x11/0x20
[  307.942840]  ? do_raw_spin_unlock+0xa7/0x2f0
[  307.947238]  ? trace_hardirqs_on+0x310/0x310
[  307.951640]  ? __run_timers+0x7da/0xc70
[  307.955602]  ? lock_downgrade+0x900/0x900
[  307.959743]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  307.964840]  ? trace_hardirqs_on+0xbd/0x310
[  307.969151]  ? kasan_check_read+0x11/0x20
[  307.973289]  ? __run_timers+0x7da/0xc70
[  307.977255]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  307.982705]  ? kasan_check_write+0x14/0x20
[  307.986934]  ? do_raw_spin_lock+0xc1/0x200
[  307.991162]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  307.995388]  __run_timers+0x7e5/0xc70
[  307.999187]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  308.004544]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  308.009551]  ? timerqueue_add+0x207/0x2b0
[  308.013720]  ? enqueue_hrtimer+0x1a5/0x560
[  308.017944]  ? lock_release+0x970/0x970
[  308.021907]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  308.027090]  ? kasan_check_write+0x14/0x20
[  308.031318]  ? pvclock_read_flags+0x160/0x160
[  308.035801]  ? lock_downgrade+0x900/0x900
[  308.039942]  ? trace_hardirqs_on+0xbd/0x310
[  308.044252]  ? kvm_sched_clock_read+0x9/0x20
[  308.048667]  ? irq_exit+0x17f/0x1c0
[  308.052291]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.057820]  ? check_preemption_disabled+0x48/0x200
[  308.062837]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.068388]  run_timer_softirq+0x52/0xb0
[  308.072456]  ? __this_cpu_preempt_check+0x1c/0x1f
[  308.077297]  __do_softirq+0x30b/0xad8
[  308.081093]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  308.086187]  ? pvclock_read_flags+0x160/0x160
[  308.090673]  ? lapic_next_event+0x5a/0x90
[  308.094829]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.100373]  ? clockevents_program_event+0x140/0x370
[  308.105946]  ? kvm_clock_read+0x18/0x30
[  308.109912]  ? kvm_sched_clock_read+0x9/0x20
[  308.114312]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.119842]  ? check_preemption_disabled+0x48/0x200
[  308.124861]  irq_exit+0x17f/0x1c0
[  308.128309]  smp_apic_timer_interrupt+0x1cb/0x760
[  308.133141]  ? smp_reschedule_interrupt+0x109/0x650
[  308.138149]  ? smp_call_function_single_interrupt+0x650/0x650
[  308.144020]  ? interrupt_entry+0xb5/0xf0
[  308.148074]  ? trace_hardirqs_off_caller+0xbb/0x310
[  308.153079]  ? trace_hardirqs_off_caller+0xbb/0x310
[  308.158087]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  308.162918]  ? trace_hardirqs_on_caller+0x310/0x310
[  308.167924]  ? trace_hardirqs_on_caller+0x310/0x310
[  308.172940]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.178466]  ? check_preemption_disabled+0x48/0x200
[  308.183477]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  308.188316]  apic_timer_interrupt+0xf/0x20
[  308.192532]  </IRQ>
[  308.194761] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  308.199688] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  308.218579] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  308.226277] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  308.233533] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  308.240791] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  308.248047] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  308.255306] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  308.262762]  ? trace_hardirqs_on+0xb4/0x310
[  308.267078]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.272611]  skb_clone+0x1bb/0x500
[  308.276735]  ? finish_task_switch+0x2f5/0x900
[  308.281244]  ? skb_split+0x11e0/0x11e0
[  308.285121]  ? preempt_notifier_register+0x200/0x200
[  308.290320]  ? __switch_to_asm+0x34/0x70
[  308.294369]  ? __switch_to_asm+0x34/0x70
[  308.298419]  ? __switch_to_asm+0x40/0x70
[  308.302466]  ? __switch_to_asm+0x34/0x70
[  308.306521]  ? __switch_to_asm+0x40/0x70
[  308.310582]  ? __switch_to_asm+0x34/0x70
[  308.314631]  ? __switch_to_asm+0x40/0x70
[  308.318711]  ? __switch_to_asm+0x34/0x70
[  308.322758]  ? __switch_to_asm+0x34/0x70
[  308.326807]  ? __switch_to_asm+0x40/0x70
[  308.330859]  ? __switch_to_asm+0x34/0x70
[  308.334916]  bpf_clone_redirect+0xb9/0x490
[  308.339141]  ? __schedule+0x874/0x1ed0
[  308.343021]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  308.347960]  ? __sched_text_start+0x8/0x8
[  308.352119]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  308.356867]  ? retint_kernel+0x2d/0x2d
[  308.360753]  ? lock_acquire+0x1ed/0x520
[  308.364714]  ? bpf_test_run+0x32e/0x5a0
[  308.368695]  ? lock_release+0x970/0x970
[  308.372665]  ? preempt_schedule+0x4d/0x60
[  308.376812]  ? preempt_schedule_common+0x1f/0xd0
[  308.381557]  ? preempt_schedule+0x4d/0x60
[  308.385700]  ? ___preempt_schedule+0x16/0x18
[  308.390098]  ? bpf_test_run+0x1c0/0x5a0
[  308.394164]  ? netlink_diag_dump+0x2a0/0x2a0
[  308.398566]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.404089]  ? bpf_test_init.isra.9+0x70/0x100
[  308.408668]  ? bpf_prog_test_run_skb+0x634/0xb40
[  308.413418]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  308.418254]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  308.423782]  ? fput+0x130/0x1a0
[  308.427051]  ? __bpf_prog_get+0x9b/0x290
[  308.431101]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  308.435931]  ? bpf_prog_test_run+0x130/0x1a0
[  308.440329]  ? __x64_sys_bpf+0x3d8/0x510
[  308.444379]  ? bpf_prog_get+0x20/0x20
[  308.449109]  ? do_syscall_64+0x1b9/0x820
[  308.453160]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  308.458513]  ? syscall_return_slowpath+0x5e0/0x5e0
[  308.463434]  ? trace_hardirqs_on_caller+0x310/0x310
[  308.471520]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  308.476522]  ? recalc_sigpending_tsk+0x180/0x180
[  308.481262]  ? kasan_check_write+0x14/0x20
[  308.485491]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  308.490329]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  308.495699] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  308.495703] warn_alloc_show_mem: 1 callbacks suppressed
[  308.495709] Mem-Info:
[  308.503034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  308.508392] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  308.508392]  active_file:16 inactive_file:17 isolated_file:0
[  308.508392]  unevictable:0 dirty:0 writeback:0 unstable:0
[  308.508392]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  308.508392]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  308.508392]  free:13792 free_pcp:309 free_cma:0
[  308.511249] Call Trace:
[  308.520619] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  308.555340]  dump_stack+0x1c4/0x2b4
[  308.557906] Node 0 
[  308.587285]  ? dump_stack_print_info.cold.2+0x52/0x52
[  308.590912] 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
[  308.593116]  ? isolate_lru_page+0x22e0/0x22e0
[  308.598272] lowmem_reserve[]:
[  308.623760]  warn_alloc.cold.119+0xb7/0x1bd
[  308.628221]  0
[  308.631312]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  308.635598]  2819
[  308.637732]  ? lock_downgrade+0x900/0x900
[  308.642543]  6323
[  308.644593]  ? trace_hardirqs_off+0xb8/0x310
[  308.648709]  6323
[  308.650759]  ? trace_hardirqs_off+0xb8/0x310
[  308.657185]  __alloc_pages_slowpath+0x2667/0x2d80
[  308.661560] Node 0 DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  308.666407]  ? mark_held_locks+0x130/0x130
[  308.666422]  ? warn_alloc+0x120/0x120
[  308.693971] lowmem_reserve[]: 0
[  308.698206]  ? warn_alloc+0x120/0x120
[  308.701974]  0
[  308.705237]  ? warn_alloc+0x120/0x120
[  308.709003]  3503
[  308.710790]  ? mark_held_locks+0x130/0x130
[  308.714554]  3503
[  308.716606]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.722852]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.728354] Node 0 
[  308.733870]  ? should_fail+0x22d/0xd01
[  308.733901] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  308.736102]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  308.739957] lowmem_reserve[]:
[  308.768309]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.773381]  0
[  308.776469]  ? should_fail+0x22d/0xd01
[  308.781974]  0
[  308.783766]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  308.787618]  0
[  308.789412]  ? should_fail+0x22d/0xd01
[  308.794482]  0
[  308.796273]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  308.801932]  ? mark_held_locks+0x130/0x130
[  308.807001] Node 0 DMA: 
[  308.811309]  ? mark_held_locks+0x130/0x130
[  308.811323]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.813964] 1*4kB 
[  308.818183]  ? trace_hardirqs_off+0xb8/0x310
[  308.823688] (U) 
[  308.825820]  ? kasan_check_read+0x11/0x20
[  308.830199] 0*8kB 
[  308.832638]  ? do_raw_spin_unlock+0xa7/0x2f0
[  308.836757] 0*16kB 
[  308.838894]  ? trace_hardirqs_on+0x310/0x310
[  308.843272] 1*32kB 
[  308.846108]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.846123]  ? wq_watchdog_touch+0x9c/0xfe
[  308.850499] (U) 
[  308.852727]  ? io_serial_in+0x11/0x90
[  308.858230] 2*64kB 
[  308.862445]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.864390] (U) 
[  308.868176]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  308.870380] 1*128kB 
[  308.876368]  __alloc_pages_nodemask+0xa80/0xde0
[  308.878310] (U) 
[  308.883395]  ? should_fail+0x22d/0xd01
[  308.885686] 1*256kB 
[  308.890338]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  308.892282] (U) 
[  308.896166]  ? ____cache_alloc_node+0x1c7/0x1e0
[  308.898451] 0*512kB 
[  308.908096]  ? lock_downgrade+0x900/0x900
[  308.910042] 1*1024kB 
[  308.914698]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.916990] (U) 
[  308.921124]  cache_grow_begin+0x91/0x8c0
[  308.923501] 1*2048kB 
[  308.929023]  ? do_raw_spin_unlock+0xa7/0x2f0
[  308.930970] (M) 
[  308.935020]  fallback_alloc+0x203/0x2e0
[  308.937399] 3*4096kB 
[  308.941789]  ____cache_alloc_node+0x1c7/0x1e0
[  308.943732] (M) 
[  308.947703]  kmem_cache_alloc_node+0xe3/0x730
[  308.950084] = 15908kB
[  308.954565]  ? ipv6_get_ifaddr+0x42e/0x620
[  308.956508] Node 0 
[  308.960988]  __alloc_skb+0x119/0x770
[  308.963364] DMA32: 
[  308.967584]  ? skb_scrub_packet+0x490/0x490
[  308.969795] 6*4kB 
[  308.973493]  ? lock_downgrade+0x900/0x900
[  308.975699] (UME) 
[  308.980006]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.982124] 2*8kB 
[  308.986272]  ? refcount_sub_and_test_checked+0x203/0x310
[  308.988388] (UE) 
[  308.993911]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  308.996032] 4*16kB 
[  309.001468]  ? addrconf_rs_timer+0x690/0x690
[  309.003500] (UME) 
[  309.008936]  ndisc_alloc_skb+0x144/0x340
[  309.011141] 4*32kB 
[  309.015546]  ndisc_send_rs+0x331/0x6e0
[  309.017660] (UME) 5*64kB 
[  309.021712]  addrconf_rs_timer+0x314/0x690
[  309.023914] (ME) 5*128kB 
[  309.027793]  ? lock_release+0x970/0x970
[  309.030520] (UME) 
[  309.034751]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.037472] 4*256kB (ME) 
[  309.041442]  call_timer_fn+0x272/0x920
[  309.043557] 5*512kB 
[  309.047776]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.050501] (UME) 
[  309.054373]  ? process_timeout+0x40/0x40
[  309.056667] 4*1024kB 
[  309.060885]  ? kasan_check_read+0x11/0x20
[  309.063015] (UME) 
[  309.067073]  ? do_raw_spin_unlock+0xa7/0x2f0
[  309.069453] 2*2048kB 
[  309.073587]  ? trace_hardirqs_on+0x310/0x310
[  309.075728] (ME) 3*4096kB (M) = 25256kB
[  309.075738] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB
[  309.075790] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  309.075795] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  309.075799] 4986 total pagecache pages
[  309.075803] 0 pages in swap cache
[  309.075808] Swap cache stats: add 0, delete 0, find 0/0
[  309.075810] Free swap  = 0kB
[  309.075813] Total swap = 0kB
[  309.075816] 1965979 pages RAM
[  309.075819] 0 pages HighMem/MovableOnly
[  309.075822] 342307 pages reserved
[  309.075824] 0 pages cma reserved
[  309.075868] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  309.075902] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  309.075905] syz-executor4 cpuset=syz4 mems_allowed=0
[  309.179774]  ? __run_timers+0x7da/0xc70
[  309.183756]  ? lock_downgrade+0x900/0x900
[  309.187897]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  309.192990]  ? trace_hardirqs_on+0xbd/0x310
[  309.197303]  ? kasan_check_read+0x11/0x20
[  309.201443]  ? __run_timers+0x7da/0xc70
[  309.205914]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  309.211450]  ? kasan_check_write+0x14/0x20
[  309.215679]  ? do_raw_spin_lock+0xc1/0x200
[  309.219910]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.224136]  __run_timers+0x7e5/0xc70
[  309.228252]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  309.233609]  ? compat_start_thread+0x80/0x80
[  309.238006]  ? dequeue_entity+0x1770/0x1770
[  309.242320]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.248287]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.253817]  ? kasan_check_write+0x14/0x20
[  309.258058]  ? finish_task_switch+0x2f5/0x900
[  309.262545]  ? __switch_to_asm+0x40/0x70
[  309.266604]  ? preempt_notifier_register+0x200/0x200
[  309.271696]  ? __switch_to_asm+0x34/0x70
[  309.275746]  ? __switch_to_asm+0x40/0x70
[  309.279795]  ? __switch_to_asm+0x34/0x70
[  309.283846]  ? __switch_to_asm+0x40/0x70
[  309.287893]  ? __switch_to_asm+0x34/0x70
[  309.292215]  ? __switch_to_asm+0x40/0x70
[  309.296270]  ? pvclock_read_flags+0x160/0x160
[  309.300757]  ? __schedule+0x874/0x1ed0
[  309.305596]  ? run_rebalance_domains+0x38d/0x500
[  309.311675]  ? trace_hardirqs_on+0xbd/0x310
[  309.316001]  ? kvm_sched_clock_read+0x9/0x20
[  309.320402]  ? run_ksoftirqd+0x94/0x100
[  309.324368]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.329899]  ? check_preemption_disabled+0x48/0x200
[  309.334905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.340435]  run_timer_softirq+0x52/0xb0
[  309.344490]  ? __this_cpu_preempt_check+0x1c/0x1f
[  309.349326]  __do_softirq+0x30b/0xad8
[  309.353125]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  309.358218]  ? trace_hardirqs_off+0xb8/0x310
[  309.362621]  ? schedule+0x108/0x460
[  309.366242]  ? __schedule+0x1ed0/0x1ed0
[  309.370354]  ? run_ksoftirqd+0x99/0x100
[  309.375066]  ? trace_hardirqs_off+0xb8/0x310
[  309.380413]  ? ___might_sleep+0x1ed/0x300
[  309.385050]  ? smpboot_thread_fn+0x68b/0xa00
[  309.389448]  ? trace_hardirqs_on+0x310/0x310
[  309.394353]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.399885]  ? check_preemption_disabled+0x48/0x200
[  309.405362]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.410891]  ? takeover_tasklets+0xa90/0xa90
[  309.415291]  run_ksoftirqd+0x94/0x100
[  309.419084]  smpboot_thread_fn+0x68b/0xa00
[  309.423310]  ? sort_range+0x30/0x30
[  309.426931]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  309.432535]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.438065]  ? __kthread_parkme+0xfb/0x1a0
[  309.442297]  kthread+0x35a/0x420
[  309.445652]  ? sort_range+0x30/0x30
[  309.450801]  ? kthread_bind+0x40/0x40
[  309.454598]  ret_from_fork+0x3a/0x50
[  309.458312] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  309.458360] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  309.468000] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  309.468004] Call Trace:
[  309.468010]  <IRQ>
[  309.468029]  dump_stack+0x1c4/0x2b4
[  309.468049]  ? dump_stack_print_info.cold.2+0x52/0x52
[  309.474587] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  309.484541]  warn_alloc.cold.119+0xb7/0x1bd
[  309.484550]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  309.484567]  ? lock_downgrade+0x900/0x900
[  309.484592]  ? trace_hardirqs_off+0xb8/0x310
[  309.490389] ksoftirqd/1 cpuset=
[  309.492529]  ? trace_hardirqs_off+0xb8/0x310
[  309.496131] /
[  309.501311]  __alloc_pages_slowpath+0x2667/0x2d80
[  309.511586]  mems_allowed=0
[  309.546355]  ? warn_alloc+0x120/0x120
[  309.550148]  ? warn_alloc+0x120/0x120
[  309.553944]  ? warn_alloc+0x120/0x120
[  309.557737]  ? lock_release+0x970/0x970
[  309.561716]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  309.567160]  ? trace_hardirqs_on+0x310/0x310
[  309.571567]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.577098]  ? should_fail+0x22d/0xd01
[  309.580979]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  309.586074]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.591606]  ? should_fail+0x22d/0xd01
[  309.595486]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  309.600583]  ? should_fail+0x22d/0xd01
[  309.604467]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  309.609570]  ? mark_held_locks+0x130/0x130
[  309.613802]  ? mark_held_locks+0x130/0x130
[  309.618028]  ? kvm_clock_read+0x18/0x30
[  309.621992]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  309.626997]  ? ktime_get+0x2e1/0x440
[  309.630700]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.636229]  ? check_preemption_disabled+0x48/0x200
[  309.641236]  ? kasan_check_read+0x11/0x20
[  309.645374]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  309.650638]  ? rcu_bh_qs+0xc0/0xc0
[  309.654169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.659699]  ? check_preemption_disabled+0x48/0x200
[  309.664698]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  309.669704]  ? widen_string+0xe0/0x2e0
[  309.673771]  __alloc_pages_nodemask+0xa80/0xde0
[  309.678453]  ? should_fail+0x22d/0xd01
[  309.682357]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  309.687388]  ? ____cache_alloc_node+0x1c7/0x1e0
[  309.692047]  ? lock_downgrade+0x900/0x900
[  309.696190]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.701719]  cache_grow_begin+0x91/0x8c0
[  309.705769]  ? do_raw_spin_unlock+0xa7/0x2f0
[  309.710166]  fallback_alloc+0x203/0x2e0
[  309.714136]  ____cache_alloc_node+0x1c7/0x1e0
[  309.718628]  kmem_cache_alloc_node+0xe3/0x730
[  309.723117]  ? ipv6_get_ifaddr+0x42e/0x620
[  309.727359]  __alloc_skb+0x119/0x770
[  309.731068]  ? skb_scrub_packet+0x490/0x490
[  309.735384]  ? lock_downgrade+0x900/0x900
[  309.739529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.745061]  ? refcount_sub_and_test_checked+0x203/0x310
[  309.750505]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  309.755950]  ? addrconf_rs_timer+0x690/0x690
[  309.760354]  ndisc_alloc_skb+0x144/0x340
[  309.764410]  ndisc_send_rs+0x331/0x6e0
[  309.768290]  addrconf_rs_timer+0x314/0x690
[  309.772514]  ? neigh_invalidate+0x550/0x550
[  309.776833]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.781063]  call_timer_fn+0x272/0x920
[  309.784955]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.789203]  ? process_timeout+0x40/0x40
[  309.793271]  ? trace_hardirqs_off+0xb8/0x310
[  309.797931]  ? kasan_check_read+0x11/0x20
[  309.802086]  ? do_raw_spin_unlock+0xa7/0x2f0
[  309.806486]  ? trace_hardirqs_on+0x310/0x310
[  309.810898]  ? __run_timers+0x7da/0xc70
[  309.814862]  ? lock_downgrade+0x900/0x900
[  309.819007]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  309.824112]  ? trace_hardirqs_on+0xbd/0x310
[  309.828421]  ? kasan_check_read+0x11/0x20
[  309.832569]  ? __run_timers+0x7da/0xc70
[  309.836538]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  309.841993]  ? kasan_check_write+0x14/0x20
[  309.846221]  ? do_raw_spin_lock+0xc1/0x200
[  309.850448]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.854689]  __run_timers+0x7e5/0xc70
[  309.858481]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  309.863838]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  309.868846]  ? timerqueue_add+0x207/0x2b0
[  309.872984]  ? enqueue_hrtimer+0x1a5/0x560
[  309.877206]  ? lock_release+0x970/0x970
[  309.881172]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  309.886356]  ? kasan_check_write+0x14/0x20
[  309.890589]  ? pvclock_read_flags+0x160/0x160
[  309.895077]  ? lock_downgrade+0x900/0x900
[  309.899341]  ? trace_hardirqs_on+0xbd/0x310
[  309.903707]  ? kvm_sched_clock_read+0x9/0x20
[  309.908108]  ? irq_exit+0x17f/0x1c0
[  309.911725]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.917259]  ? check_preemption_disabled+0x48/0x200
[  309.922265]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.927796]  run_timer_softirq+0x52/0xb0
[  309.931848]  ? __this_cpu_preempt_check+0x1c/0x1f
[  309.936682]  __do_softirq+0x30b/0xad8
[  309.940492]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  309.945587]  ? pvclock_read_flags+0x160/0x160
[  309.950075]  ? lapic_next_event+0x5a/0x90
[  309.954225]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.959752]  ? clockevents_program_event+0x140/0x370
[  309.964852]  ? kvm_clock_read+0x18/0x30
[  309.968829]  ? kvm_sched_clock_read+0x9/0x20
[  309.973229]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.978772]  ? check_preemption_disabled+0x48/0x200
[  309.983786]  irq_exit+0x17f/0x1c0
[  309.987234]  smp_apic_timer_interrupt+0x1cb/0x760
[  309.992068]  ? smp_reschedule_interrupt+0x109/0x650
[  309.997075]  ? smp_call_function_single_interrupt+0x650/0x650
[  310.002947]  ? interrupt_entry+0xb5/0xf0
[  310.007003]  ? trace_hardirqs_off_caller+0xbb/0x310
[  310.012010]  ? trace_hardirqs_off_caller+0xbb/0x310
[  310.017020]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  310.021852]  ? trace_hardirqs_on_caller+0x310/0x310
[  310.026858]  ? trace_hardirqs_on_caller+0x310/0x310
[  310.031873]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.037404]  ? check_preemption_disabled+0x48/0x200
[  310.042417]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  310.047259]  apic_timer_interrupt+0xf/0x20
[  310.051480]  </IRQ>
[  310.053746] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  310.058668] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  310.077566] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  310.085265] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  310.092531] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  310.099798] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  310.107547] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  310.114808] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  310.122083]  ? trace_hardirqs_on+0xb4/0x310
[  310.126402]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.131934]  skb_clone+0x1bb/0x500
[  310.135469]  ? finish_task_switch+0x2f5/0x900
[  310.139957]  ? skb_split+0x11e0/0x11e0
[  310.143839]  ? preempt_notifier_register+0x200/0x200
[  310.148932]  ? __switch_to_asm+0x34/0x70
[  310.152987]  ? __switch_to_asm+0x34/0x70
[  310.157039]  ? __switch_to_asm+0x40/0x70
[  310.161090]  ? __switch_to_asm+0x34/0x70
[  310.165138]  ? __switch_to_asm+0x40/0x70
[  310.169188]  ? __switch_to_asm+0x34/0x70
[  310.173237]  ? __switch_to_asm+0x40/0x70
[  310.177287]  ? __switch_to_asm+0x34/0x70
[  310.181340]  ? __switch_to_asm+0x34/0x70
[  310.185389]  ? __switch_to_asm+0x40/0x70
[  310.189545]  ? __switch_to_asm+0x34/0x70
[  310.193601]  bpf_clone_redirect+0xb9/0x490
[  310.197830]  ? __schedule+0x874/0x1ed0
[  310.201711]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  310.206636]  ? __sched_text_start+0x8/0x8
[  310.210778]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  310.215541]  ? retint_kernel+0x2d/0x2d
[  310.219426]  ? lock_acquire+0x1ed/0x520
[  310.223389]  ? bpf_test_run+0x32e/0x5a0
[  310.227356]  ? lock_release+0x970/0x970
[  310.231319]  ? preempt_schedule+0x4d/0x60
[  310.235458]  ? preempt_schedule_common+0x1f/0xd0
[  310.240208]  ? preempt_schedule+0x4d/0x60
[  310.244346]  ? ___preempt_schedule+0x16/0x18
[  310.248747]  ? bpf_test_run+0x1c0/0x5a0
[  310.252718]  ? netlink_diag_dump+0x2a0/0x2a0
[  310.257118]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.262645]  ? bpf_test_init.isra.9+0x70/0x100
[  310.267222]  ? bpf_prog_test_run_skb+0x634/0xb40
[  310.271972]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  310.277466]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  310.283016]  ? fput+0x130/0x1a0
[  310.286285]  ? __bpf_prog_get+0x9b/0x290
[  310.290340]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  310.295170]  ? bpf_prog_test_run+0x130/0x1a0
[  310.299569]  ? __x64_sys_bpf+0x3d8/0x510
[  310.303624]  ? bpf_prog_get+0x20/0x20
[  310.307425]  ? do_syscall_64+0x1b9/0x820
[  310.311479]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  310.316841]  ? syscall_return_slowpath+0x5e0/0x5e0
[  310.321761]  ? trace_hardirqs_on_caller+0x310/0x310
[  310.326769]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  310.331776]  ? recalc_sigpending_tsk+0x180/0x180
[  310.336526]  ? kasan_check_write+0x14/0x20
[  310.340759]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  310.345620]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  310.350984] warn_alloc_show_mem: 1 callbacks suppressed
[  310.350993] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  310.350995] Mem-Info:
[  310.351024] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  310.351024]  active_file:16 inactive_file:17 isolated_file:0
[  310.351024]  unevictable:0 dirty:0 writeback:0 unstable:0
[  310.351024]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  310.351024]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  310.351024]  free:13792 free_pcp:309 free_cma:0
[  310.356368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  310.363201] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  310.365588] Call Trace:
[  310.398620] Node 0 
[  310.407968]  dump_stack+0x1c4/0x2b4
[  310.435802] 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
[  310.438367]  ? dump_stack_print_info.cold.2+0x52/0x52
[  310.440570] lowmem_reserve[]:
[  310.444182]  ? isolate_lru_page+0x22e0/0x22e0
[  310.472279]  0
[  310.477470]  warn_alloc.cold.119+0xb7/0x1bd
[  310.480536]  2819
[  310.485018]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  310.486784]  6323 6323
[  310.491537]  ? lock_downgrade+0x900/0x900
[  310.498398]  ? trace_hardirqs_off+0xb8/0x310
[  310.500864] Node 0 
[  310.504993]  ? trace_hardirqs_off+0xb8/0x310
[  310.509395] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  310.511601]  __alloc_pages_slowpath+0x2667/0x2d80
[  310.516064] lowmem_reserve[]:
[  310.543038]  ? mark_held_locks+0x130/0x130
[  310.547845]  0
[  310.550938]  ? warn_alloc+0x120/0x120
[  310.555137]  0
[  310.556926]  ? warn_alloc+0x120/0x120
[  310.560687]  3503 3503
[  310.562489]  ? warn_alloc+0x120/0x120
[  310.568756]  ? mark_held_locks+0x130/0x130
[  310.572524] Node 0 Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  310.576764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.576779]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.605842] lowmem_reserve[]:
[  310.611368]  ? should_fail+0x22d/0xd01
[  310.616870]  0
[  310.619964]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  310.623816]  0
[  310.625607]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.630675]  0
[  310.632461]  ? should_fail+0x22d/0xd01
[  310.637970]  0
[  310.639800]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  310.643668] Node 0 
[  310.645459]  ? should_fail+0x22d/0xd01
[  310.650534] DMA: 
[  310.652756]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  310.656611] 1*4kB 
[  310.658671]  ? mark_held_locks+0x130/0x130
[  310.663741] (U) 
[  310.665879]  ? mark_held_locks+0x130/0x130
[  310.670094] 0*8kB 
[  310.672072]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.676273] 0*16kB 
[  310.678410]  ? trace_hardirqs_off+0xb8/0x310
[  310.683917] 1*32kB 
[  310.686139]  ? kasan_check_read+0x11/0x20
[  310.690521] (U) 
[  310.692746]  ? do_raw_spin_unlock+0xa7/0x2f0
[  310.696864] 2*64kB 
[  310.698824]  ? trace_hardirqs_on+0x310/0x310
[  310.703196] (U) 
[  310.705420]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.709927] 1*128kB 
[  310.711891]  ? wq_watchdog_touch+0x9c/0xfe
[  310.717394] (U) 
[  310.720139]  ? io_serial_in+0x11/0x90
[  310.724342] 1*256kB 
[  310.726301]  ? retint_kernel+0x2d/0x2d
[  310.730071] (U) 
[  310.732382]  ? trace_hardirqs_on_caller+0xc0/0x310
[  310.736233] 0*512kB 1*1024kB 
[  310.738202]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  310.743096] (U) 
[  310.746643]  ? trace_hardirqs_off+0x310/0x310
[  310.751376] 1*2048kB 
[  310.753332]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  310.753351]  __alloc_pages_nodemask+0xa80/0xde0
[  310.757813] (M) 
[  310.760216]  ? should_fail+0x22d/0xd01
[  310.765289] 3*4096kB 
[  310.769944]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  310.771886] (M) 
[  310.775770]  ? ____cache_alloc_node+0x1c7/0x1e0
[  310.778143] = 15908kB
[  310.783145]  ? lock_downgrade+0x900/0x900
[  310.785088] Node 0 
[  310.789741]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.792116] DMA32: 6*4kB 
[  310.796258]  cache_grow_begin+0x91/0x8c0
[  310.798470] (UME) 
[  310.804010]  ? do_raw_spin_unlock+0xa7/0x2f0
[  310.806741] 2*8kB 
[  310.810787]  fallback_alloc+0x203/0x2e0
[  310.812903] (UE) 
[  310.817298]  ____cache_alloc_node+0x1c7/0x1e0
[  310.819417] 4*16kB 
[  310.823377]  kmem_cache_alloc_node+0xe3/0x730
[  310.825407] (UME) 
[  310.829887]  ? ipv6_get_ifaddr+0x42e/0x620
[  310.832086] 4*32kB (UME) 
[  310.836575]  __alloc_skb+0x119/0x770
[  310.838697] 5*64kB 
[  310.842916]  ? skb_scrub_packet+0x490/0x490
[  310.845643] (ME) 
[  310.849340]  ? lock_downgrade+0x900/0x900
[  310.851546] 5*128kB 
[  310.855854]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.857883] (UME) 
[  310.862015]  ? refcount_sub_and_test_checked+0x203/0x310
[  310.864310] 4*256kB 
[  310.869830]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  310.871951] (ME) 
[  310.878556]  ? addrconf_rs_timer+0x690/0x690
[  310.880848] 5*512kB 
[  310.886285]  ndisc_alloc_skb+0x144/0x340
[  310.888316] (UME) 
[  310.892711]  ndisc_send_rs+0x331/0x6e0
[  310.895019] 4*1024kB 
[  310.899063]  addrconf_rs_timer+0x314/0x690
[  310.901180] (UME) 
[  310.905053]  ? lock_release+0x970/0x970
[  310.907435] 2*2048kB 
[  310.911662]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.913784] (ME) 
[  310.917748]  call_timer_fn+0x272/0x920
[  310.920127] 3*4096kB 
[  310.924798]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.926844] (M) 
[  310.931233]  ? process_timeout+0x40/0x40
[  310.933613] = 25256kB
[  310.938224]  ? kasan_check_read+0x11/0x20
[  310.938240]  ? do_raw_spin_unlock+0xa7/0x2f0
[  310.940184] Node 0 
[  310.944234]  ? trace_hardirqs_on+0x310/0x310
[  310.946617] Normal: 
[  310.950751]  ? __run_timers+0x7da/0xc70
[  310.955129] 1063*4kB 
[  310.957797]  ? lock_downgrade+0x900/0x900
[  310.962185] (UMEH) 420*8kB 
[  310.965006]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  310.968950] (UME) 
[  310.971350]  ? trace_hardirqs_on+0xbd/0x310
[  310.975466] 170*16kB (UMEH) 
[  310.978381]  ? kasan_check_read+0x11/0x20
[  310.978396]  ? __run_timers+0x7da/0xc70
[  310.983468] 65*32kB (UME) 
[  310.985612]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  310.989902] 9*64kB 
[  310.992903]  ? kasan_check_write+0x14/0x20
[  310.997020] (UM) 
[  311.000984]  ? do_raw_spin_lock+0xc1/0x200
[  311.003791] 0*128kB 0*256kB 
[  311.009239]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.011465] 0*512kB 
[  311.015695]  __run_timers+0x7e5/0xc70
[  311.017730] 1*1024kB 
[  311.021953]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  311.024936] (H) 
[  311.029153]  ? compat_start_thread+0x80/0x80
[  311.031453] 0*2048kB 
[  311.035235]  ? dequeue_entity+0x1770/0x1770
[  311.037630] 0*4096kB 
[  311.042982]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.044928] = 14012kB
[  311.049322]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.051707] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  311.056008]  ? kasan_check_write+0x14/0x20
[  311.058394] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  311.063909]  ? finish_task_switch+0x2f5/0x900
[  311.066288] 4986 total pagecache pages
[  311.071808]  ? __switch_to_asm+0x40/0x70
[  311.080610] 0 pages in swap cache
[  311.084831]  ? preempt_notifier_register+0x200/0x200
[  311.093370] Swap cache stats: add 0, delete 0, find 0/0
[  311.093377] Free swap  = 0kB
[  311.097865]  ? __switch_to_asm+0x34/0x70
[  311.101721] Total swap = 0kB
[  311.105765]  ? __switch_to_asm+0x40/0x70
[  311.109187] 1965979 pages RAM
[  311.114267]  ? __switch_to_asm+0x34/0x70
[  311.114280]  ? __switch_to_asm+0x40/0x70
[  311.119615] 0 pages HighMem/MovableOnly
[  311.123130]  ? __switch_to_asm+0x34/0x70
[  311.127160] 342307 pages reserved
[  311.130164]  ? __switch_to_asm+0x40/0x70
[  311.134197] 0 pages cma reserved
[  311.137288]  ? pvclock_read_flags+0x160/0x160
[  311.141362] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  311.145367]  ? __schedule+0x874/0x1ed0
[  311.149354] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  311.153351]  ? run_rebalance_domains+0x38d/0x500
[  311.156777] syz-executor4 cpuset=
[  311.160825]  ? trace_hardirqs_on+0xbd/0x310
[  311.164156] syz4
[  311.168636]  ? kvm_sched_clock_read+0x9/0x20
[  311.175095]  mems_allowed=0
[  311.178968]  ? run_ksoftirqd+0x94/0x100
[  311.215602]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.221135]  ? check_preemption_disabled+0x48/0x200
[  311.226141]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.231672]  run_timer_softirq+0x52/0xb0
[  311.235743]  ? __this_cpu_preempt_check+0x1c/0x1f
[  311.240579]  __do_softirq+0x30b/0xad8
[  311.244378]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  311.250000]  ? trace_hardirqs_off+0xb8/0x310
[  311.256327]  ? schedule+0x108/0x460
[  311.259955]  ? __schedule+0x1ed0/0x1ed0
[  311.263920]  ? run_ksoftirqd+0x99/0x100
[  311.267893]  ? trace_hardirqs_off+0xb8/0x310
[  311.272308]  ? ___might_sleep+0x1ed/0x300
[  311.276445]  ? smpboot_thread_fn+0x68b/0xa00
[  311.280846]  ? trace_hardirqs_on+0x310/0x310
[  311.285246]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  311.291246]  ? check_preemption_disabled+0x48/0x200
[  311.296260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.301791]  ? takeover_tasklets+0xa90/0xa90
[  311.306201]  run_ksoftirqd+0x94/0x100
[  311.309990]  smpboot_thread_fn+0x68b/0xa00
[  311.314219]  ? sort_range+0x30/0x30
[  311.317835]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  311.322931]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  311.328463]  ? __kthread_parkme+0xfb/0x1a0
[  311.332690]  kthread+0x35a/0x420
[  311.336044]  ? sort_range+0x30/0x30
[  311.340155]  ? kthread_bind+0x40/0x40
[  311.343952]  ret_from_fork+0x3a/0x50
[  311.347666] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  311.347712] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  311.354925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  311.354929] Call Trace:
[  311.354934]  <IRQ>
[  311.354949]  dump_stack+0x1c4/0x2b4
[  311.354966]  ? dump_stack_print_info.cold.2+0x52/0x52
[  311.361486] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  311.370783]  warn_alloc.cold.119+0xb7/0x1bd
[  311.373337] ksoftirqd/1 cpuset=
[  311.375474]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  311.379065] /
[  311.384236]  ? lock_downgrade+0x900/0x900
[  311.394516]  mems_allowed=0
[  311.398821]  ? trace_hardirqs_off+0xb8/0x310
[  311.420030]  ? trace_hardirqs_off+0xb8/0x310
[  311.424442]  __alloc_pages_slowpath+0x2667/0x2d80
[  311.429289]  ? warn_alloc+0x120/0x120
[  311.433082]  ? warn_alloc+0x120/0x120
[  311.436899]  ? warn_alloc+0x120/0x120
[  311.440689]  ? mark_held_locks+0x130/0x130
[  311.444911]  ? trace_hardirqs_on+0x310/0x310
[  311.450174]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.455698]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  311.461226]  ? should_fail+0x22d/0xd01
[  311.465116]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  311.470431]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  311.475957]  ? should_fail+0x22d/0xd01
[  311.479837]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  311.484931]  ? should_fail+0x22d/0xd01
[  311.488810]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  311.493907]  ? mark_held_locks+0x130/0x130
[  311.498133]  ? mark_held_locks+0x130/0x130
[  311.502361]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.507905]  ? trace_hardirqs_off+0xb8/0x310
[  311.512316]  ? kasan_check_read+0x11/0x20
[  311.516455]  ? do_raw_spin_unlock+0xa7/0x2f0
[  311.520853]  ? trace_hardirqs_on+0x310/0x310
[  311.525254]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.530781]  ? wq_watchdog_touch+0x9c/0xfe
[  311.535005]  ? io_serial_in+0x11/0x90
[  311.538898]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.544446]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  311.549550]  __alloc_pages_nodemask+0xa80/0xde0
[  311.554210]  ? should_fail+0x22d/0xd01
[  311.558092]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  311.563114]  ? ____cache_alloc_node+0x1c7/0x1e0
[  311.567775]  ? lock_downgrade+0x900/0x900
[  311.571922]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.577454]  cache_grow_begin+0x91/0x8c0
[  311.581505]  ? do_raw_spin_unlock+0xa7/0x2f0
[  311.585905]  fallback_alloc+0x203/0x2e0
[  311.589873]  ____cache_alloc_node+0x1c7/0x1e0
[  311.594361]  kmem_cache_alloc_node+0xe3/0x730
[  311.598855]  ? ipv6_get_ifaddr+0x42e/0x620
[  311.603092]  __alloc_skb+0x119/0x770
[  311.606800]  ? skb_scrub_packet+0x490/0x490
[  311.611113]  ? lock_downgrade+0x900/0x900
[  311.615265]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.620794]  ? refcount_sub_and_test_checked+0x203/0x310
[  311.626236]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  311.631833]  ? addrconf_rs_timer+0x690/0x690
[  311.636233]  ndisc_alloc_skb+0x144/0x340
[  311.640285]  ndisc_send_rs+0x331/0x6e0
[  311.644168]  addrconf_rs_timer+0x314/0x690
[  311.648400]  ? neigh_invalidate+0x550/0x550
[  311.652722]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.656956]  call_timer_fn+0x272/0x920
[  311.660833]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.665058]  ? process_timeout+0x40/0x40
[  311.669113]  ? trace_hardirqs_off+0xb8/0x310
[  311.673508]  ? kasan_check_read+0x11/0x20
[  311.677644]  ? do_raw_spin_unlock+0xa7/0x2f0
[  311.682067]  ? trace_hardirqs_on+0x310/0x310
[  311.686473]  ? __run_timers+0x7da/0xc70
[  311.690436]  ? lock_downgrade+0x900/0x900
[  311.694576]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  311.699673]  ? trace_hardirqs_on+0xbd/0x310
[  311.703981]  ? kasan_check_read+0x11/0x20
[  311.708122]  ? __run_timers+0x7da/0xc70
[  311.712087]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  311.717526]  ? kasan_check_write+0x14/0x20
[  311.721754]  ? do_raw_spin_lock+0xc1/0x200
[  311.725985]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.730222]  __run_timers+0x7e5/0xc70
[  311.734020]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  311.739381]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  311.744401]  ? timerqueue_add+0x207/0x2b0
[  311.748541]  ? enqueue_hrtimer+0x1a5/0x560
[  311.752763]  ? lock_release+0x970/0x970
[  311.756731]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  311.761913]  ? kasan_check_write+0x14/0x20
[  311.766142]  ? pvclock_read_flags+0x160/0x160
[  311.770632]  ? lock_downgrade+0x900/0x900
[  311.774775]  ? trace_hardirqs_on+0xbd/0x310
[  311.779088]  ? kvm_sched_clock_read+0x9/0x20
[  311.783491]  ? irq_exit+0x17f/0x1c0
[  311.787107]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.792636]  ? check_preemption_disabled+0x48/0x200
[  311.797646]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.803196]  run_timer_softirq+0x52/0xb0
[  311.807252]  ? __this_cpu_preempt_check+0x1c/0x1f
[  311.812089]  __do_softirq+0x30b/0xad8
[  311.815891]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  311.820986]  ? pvclock_read_flags+0x160/0x160
[  311.825472]  ? lapic_next_event+0x5a/0x90
[  311.829613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.835144]  ? clockevents_program_event+0x140/0x370
[  311.840238]  ? kvm_clock_read+0x18/0x30
[  311.844206]  ? kvm_sched_clock_read+0x9/0x20
[  311.848604]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.854132]  ? check_preemption_disabled+0x48/0x200
[  311.859143]  irq_exit+0x17f/0x1c0
[  311.862591]  smp_apic_timer_interrupt+0x1cb/0x760
[  311.867423]  ? smp_reschedule_interrupt+0x109/0x650
[  311.872430]  ? smp_call_function_single_interrupt+0x650/0x650
[  311.878303]  ? interrupt_entry+0xb5/0xf0
[  311.882355]  ? trace_hardirqs_off_caller+0xbb/0x310
[  311.887380]  ? trace_hardirqs_off_caller+0xbb/0x310
[  311.892395]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  311.897227]  ? trace_hardirqs_on_caller+0x310/0x310
[  311.902369]  ? trace_hardirqs_on_caller+0x310/0x310
[  311.907394]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.912923]  ? check_preemption_disabled+0x48/0x200
[  311.917931]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  311.922766]  apic_timer_interrupt+0xf/0x20
[  311.926986]  </IRQ>
[  311.929230] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  311.934170] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  311.953061] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  311.960762] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  311.968120] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  311.975384] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  311.982642] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  311.989900] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  311.997171]  ? trace_hardirqs_on+0xb4/0x310
[  312.001490]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.007023]  skb_clone+0x1bb/0x500
[  312.010552]  ? finish_task_switch+0x2f5/0x900
[  312.015040]  ? skb_split+0x11e0/0x11e0
[  312.018921]  ? preempt_notifier_register+0x200/0x200
[  312.024015]  ? __switch_to_asm+0x34/0x70
[  312.028063]  ? __switch_to_asm+0x34/0x70
[  312.032112]  ? __switch_to_asm+0x40/0x70
[  312.036160]  ? __switch_to_asm+0x34/0x70
[  312.040217]  ? __switch_to_asm+0x40/0x70
[  312.044281]  ? __switch_to_asm+0x34/0x70
[  312.048333]  ? __switch_to_asm+0x40/0x70
[  312.052389]  ? __switch_to_asm+0x34/0x70
[  312.056440]  ? __switch_to_asm+0x34/0x70
[  312.060490]  ? __switch_to_asm+0x40/0x70
[  312.064542]  ? __switch_to_asm+0x34/0x70
[  312.068600]  bpf_clone_redirect+0xb9/0x490
[  312.072825]  ? __schedule+0x874/0x1ed0
[  312.076702]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  312.081623]  ? __sched_text_start+0x8/0x8
[  312.085773]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  312.090521]  ? retint_kernel+0x2d/0x2d
[  312.094416]  ? lock_acquire+0x1ed/0x520
[  312.098383]  ? bpf_test_run+0x32e/0x5a0
[  312.102356]  ? lock_release+0x970/0x970
[  312.106812]  ? preempt_schedule+0x4d/0x60
[  312.110958]  ? preempt_schedule_common+0x1f/0xd0
[  312.115702]  ? preempt_schedule+0x4d/0x60
[  312.119841]  ? ___preempt_schedule+0x16/0x18
[  312.124246]  ? bpf_test_run+0x1c0/0x5a0
[  312.128210]  ? netlink_diag_dump+0x2a0/0x2a0
[  312.132617]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.138141]  ? bpf_test_init.isra.9+0x70/0x100
[  312.142717]  ? bpf_prog_test_run_skb+0x634/0xb40
[  312.147464]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  312.152295]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  312.157821]  ? fput+0x130/0x1a0
[  312.161112]  ? __bpf_prog_get+0x9b/0x290
[  312.165164]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  312.169994]  ? bpf_prog_test_run+0x130/0x1a0
[  312.174395]  ? __x64_sys_bpf+0x3d8/0x510
[  312.178444]  ? bpf_prog_get+0x20/0x20
[  312.182246]  ? do_syscall_64+0x1b9/0x820
[  312.186301]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  312.191660]  ? syscall_return_slowpath+0x5e0/0x5e0
[  312.196582]  ? trace_hardirqs_on_caller+0x310/0x310
[  312.201589]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  312.206614]  ? recalc_sigpending_tsk+0x180/0x180
[  312.211371]  ? kasan_check_write+0x14/0x20
[  312.215603]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  312.220438]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  312.226603] warn_alloc_show_mem: 1 callbacks suppressed
[  312.226613] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  312.226614] Mem-Info:
[  312.226644] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  312.226644]  active_file:16 inactive_file:17 isolated_file:0
[  312.226644]  unevictable:0 dirty:0 writeback:0 unstable:0
[  312.226644]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  312.226644]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  312.226644]  free:13792 free_pcp:309 free_cma:0
[  312.232415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  312.232423] Call Trace:
[  312.239261] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  312.241657]  dump_stack+0x1c4/0x2b4
[  312.275224] Node 0 
[  312.284579]  ? dump_stack_print_info.cold.2+0x52/0x52
[  312.287147] 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
[  312.315416]  ? isolate_lru_page+0x22e0/0x22e0
[  312.319022] lowmem_reserve[]:
[  312.321247]  warn_alloc.cold.119+0xb7/0x1bd
[  312.326406]  0
[  312.352456]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  312.356917]  2819
[  312.360011]  ? lock_downgrade+0x900/0x900
[  312.364299]  6323 6323
[  312.364306] Node 0 DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  312.364340] lowmem_reserve[]:
[  312.367353]  ? trace_hardirqs_off+0xb8/0x310
[  312.372188]  0
[  312.374236]  ? trace_hardirqs_off+0xb8/0x310
[  312.378354]  0
[  312.380839]  __alloc_pages_slowpath+0x2667/0x2d80
[  312.408393]  3503
[  312.411494]  ? mark_held_locks+0x130/0x130
[  312.415866]  3503
[  312.417653]  ? warn_alloc+0x120/0x120
[  312.423816]  ? warn_alloc+0x120/0x120
[  312.428624] Node 0 
[  312.430674]  ? warn_alloc+0x120/0x120
[  312.434903] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  312.436931]  ? mark_held_locks+0x130/0x130
[  312.440696] lowmem_reserve[]:
[  312.444482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.446687]  0
[  312.451239]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.480574]  0
[  312.485746]  ? should_fail+0x22d/0xd01
[  312.488815]  0
[  312.494340]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  312.496112]  0
[  312.502147]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.507787]  ? should_fail+0x22d/0xd01
[  312.509561] Node 0 
[  312.514650]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  312.516422] DMA: 
[  312.521943]  ? should_fail+0x22d/0xd01
[  312.525802] 1*4kB 
[  312.528030]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  312.533098] (U) 
[  312.535146]  ? mark_held_locks+0x130/0x130
[  312.539005] 0*8kB 
[  312.541142]  ? mark_held_locks+0x130/0x130
[  312.546212] 0*16kB 
[  312.548172]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.552375] 1*32kB 
[  312.554512]  ? trace_hardirqs_off+0xb8/0x310
[  312.558712] (U) 
[  312.561446]  ? kasan_check_read+0x11/0x20
[  312.566951] 2*64kB 
[  312.569173]  ? do_raw_spin_unlock+0xa7/0x2f0
[  312.573548] (U) 
[  312.575511]  ? trace_hardirqs_on+0x310/0x310
[  312.579637] 1*128kB 
[  312.581860]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.586237] (U) 
[  312.588199]  ? wq_watchdog_touch+0x9c/0xfe
[  312.592591] 1*256kB 
[  312.594905]  ? io_serial_in+0x11/0x90
[  312.600409] (U) 
[  312.602383]  ? retint_kernel+0x2d/0x2d
[  312.606584] 0*512kB 1*1024kB 
[  312.608899]  ? trace_hardirqs_on_caller+0xc0/0x310
[  312.612668] (U) 
[  312.614632]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  312.618486] 1*2048kB 
[  312.621579]  ? trace_hardirqs_off+0x310/0x310
[  312.626586] (M) 
[  312.628550]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  312.633273] 3*4096kB 
[  312.635673]  __alloc_pages_nodemask+0xa80/0xde0
[  312.640133] (M) 
[  312.642093]  ? should_fail+0x22d/0xd01
[  312.647162] = 15908kB
[  312.649561]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  312.654196] Node 0 
[  312.656166]  ? ____cache_alloc_node+0x1c7/0x1e0
[  312.660012] DMA32: 
[  312.662405]  ? lock_downgrade+0x900/0x900
[  312.667401] 6*4kB 
[  312.669634]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.674390] (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 
[  312.677257]  cache_grow_begin+0x91/0x8c0
[  312.681369] 5*128kB 
[  312.683508]  ? do_raw_spin_unlock+0xa7/0x2f0
[  312.689014] (UME) 
[  312.695407]  fallback_alloc+0x203/0x2e0
[  312.699437] 4*256kB 
[  312.701746]  ____cache_alloc_node+0x1c7/0x1e0
[  312.706121] (ME) 5*512kB 
[  312.708275]  kmem_cache_alloc_node+0xe3/0x730
[  312.712220] (UME) 
[  312.714532]  ? ipv6_get_ifaddr+0x42e/0x620
[  312.718992] 4*1024kB 
[  312.721737]  __alloc_skb+0x119/0x770
[  312.726199] (UME) 
[  312.728397]  ? skb_scrub_packet+0x490/0x490
[  312.732595] 2*2048kB 
[  312.734994]  ? lock_downgrade+0x900/0x900
[  312.738675] (ME) 
[  312.740816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.745100] 3*4096kB 
[  312.747495]  ? refcount_sub_and_test_checked+0x203/0x310
[  312.751608] (M) 
[  312.753669]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  312.759167] = 25256kB
[  312.759173] Node 0 
[  312.761568]  ? addrconf_rs_timer+0x690/0x690
[  312.766982] Normal: 1063*4kB 
[  312.768958]  ndisc_alloc_skb+0x144/0x340
[  312.774378] (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB
[  312.774423] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  312.774429] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  312.774432] 4986 total pagecache pages
[  312.774436] 0 pages in swap cache
[  312.774440] Swap cache stats: add 0, delete 0, find 0/0
[  312.774443] Free swap  = 0kB
[  312.774445] Total swap = 0kB
[  312.774449] 1965979 pages RAM
[  312.774452] 0 pages HighMem/MovableOnly
[  312.774454] 342307 pages reserved
[  312.774456] 0 pages cma reserved
[  312.774500] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  312.774536] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  312.774539] syz-executor4 cpuset=syz4 mems_allowed=0
[  312.876909]  ndisc_send_rs+0x331/0x6e0
[  312.880794]  addrconf_rs_timer+0x314/0x690
[  312.885022]  ? lock_release+0x970/0x970
[  312.888992]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  312.893225]  call_timer_fn+0x272/0x920
[  312.897107]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  312.901337]  ? process_timeout+0x40/0x40
[  312.905387]  ? kasan_check_read+0x11/0x20
[  312.909527]  ? do_raw_spin_unlock+0xa7/0x2f0
[  312.913928]  ? trace_hardirqs_on+0x310/0x310
[  312.918330]  ? __run_timers+0x7da/0xc70
[  312.922304]  ? lock_downgrade+0x900/0x900
[  312.926888]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  312.931980]  ? trace_hardirqs_on+0xbd/0x310
[  312.936295]  ? kasan_check_read+0x11/0x20
[  312.940433]  ? __run_timers+0x7da/0xc70
[  312.944398]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  312.949841]  ? kasan_check_write+0x14/0x20
[  312.954068]  ? do_raw_spin_lock+0xc1/0x200
[  312.958300]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  312.962525]  __run_timers+0x7e5/0xc70
[  312.966332]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  312.972185]  ? compat_start_thread+0x80/0x80
[  312.976586]  ? dequeue_entity+0x1770/0x1770
[  312.980901]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.986426]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.991956]  ? kasan_check_write+0x14/0x20
[  312.996189]  ? finish_task_switch+0x2f5/0x900
[  313.000672]  ? __switch_to_asm+0x40/0x70
[  313.004727]  ? preempt_notifier_register+0x200/0x200
[  313.009830]  ? __switch_to_asm+0x34/0x70
[  313.013890]  ? __switch_to_asm+0x40/0x70
[  313.017936]  ? __switch_to_asm+0x34/0x70
[  313.021986]  ? __switch_to_asm+0x40/0x70
[  313.026036]  ? __switch_to_asm+0x34/0x70
[  313.030088]  ? __switch_to_asm+0x40/0x70
[  313.034147]  ? pvclock_read_flags+0x160/0x160
[  313.038633]  ? __schedule+0x874/0x1ed0
[  313.042511]  ? run_rebalance_domains+0x38d/0x500
[  313.047266]  ? trace_hardirqs_on+0xbd/0x310
[  313.051577]  ? kvm_sched_clock_read+0x9/0x20
[  313.055975]  ? run_ksoftirqd+0x94/0x100
[  313.059942]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.065475]  ? check_preemption_disabled+0x48/0x200
[  313.070479]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.076010]  run_timer_softirq+0x52/0xb0
[  313.080064]  ? __this_cpu_preempt_check+0x1c/0x1f
[  313.084897]  __do_softirq+0x30b/0xad8
[  313.088693]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  313.093791]  ? trace_hardirqs_off+0xb8/0x310
[  313.099157]  ? schedule+0x108/0x460
[  313.102776]  ? __schedule+0x1ed0/0x1ed0
[  313.106762]  ? run_ksoftirqd+0x99/0x100
[  313.110741]  ? trace_hardirqs_off+0xb8/0x310
[  313.115140]  ? ___might_sleep+0x1ed/0x300
[  313.119281]  ? smpboot_thread_fn+0x68b/0xa00
[  313.123678]  ? trace_hardirqs_on+0x310/0x310
[  313.128075]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  313.133602]  ? check_preemption_disabled+0x48/0x200
[  313.138611]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.144137]  ? takeover_tasklets+0xa90/0xa90
[  313.148538]  run_ksoftirqd+0x94/0x100
[  313.152329]  smpboot_thread_fn+0x68b/0xa00
[  313.156554]  ? sort_range+0x30/0x30
[  313.160171]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  313.165267]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  313.171306]  ? __kthread_parkme+0xfb/0x1a0
[  313.175531]  kthread+0x35a/0x420
[  313.178885]  ? sort_range+0x30/0x30
[  313.182499]  ? kthread_bind+0x40/0x40
[  313.186290]  ret_from_fork+0x3a/0x50
[  313.190003] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  313.190079] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  313.197301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  313.203838] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  313.213857] Call Trace:
[  313.224155] ksoftirqd/1 cpuset=
[  313.226716]  <IRQ>
[  313.226717] / mems_allowed=0
[  313.229989]  dump_stack+0x1c4/0x2b4
[  313.238715]  ? dump_stack_print_info.cold.2+0x52/0x52
[  313.243919]  warn_alloc.cold.119+0xb7/0x1bd
[  313.248233]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  313.253072]  ? lock_downgrade+0x900/0x900
[  313.257214]  ? trace_hardirqs_off+0xb8/0x310
[  313.261620]  ? trace_hardirqs_off+0xb8/0x310
[  313.266026]  __alloc_pages_slowpath+0x2667/0x2d80
[  313.270873]  ? warn_alloc+0x120/0x120
[  313.274664]  ? warn_alloc+0x120/0x120
[  313.278459]  ? warn_alloc+0x120/0x120
[  313.282255]  ? lock_release+0x970/0x970
[  313.286225]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  313.291413]  ? trace_hardirqs_on+0x310/0x310
[  313.295811]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  313.301340]  ? should_fail+0x22d/0xd01
[  313.305218]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  313.310319]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  313.315843]  ? should_fail+0x22d/0xd01
[  313.319722]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  313.324813]  ? should_fail+0x22d/0xd01
[  313.328694]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  313.333787]  ? mark_held_locks+0x130/0x130
[  313.338125]  ? mark_held_locks+0x130/0x130
[  313.342351]  ? kvm_clock_read+0x18/0x30
[  313.346318]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  313.351322]  ? ktime_get+0x2e1/0x440
[  313.355023]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.360550]  ? check_preemption_disabled+0x48/0x200
[  313.365556]  ? kasan_check_read+0x11/0x20
[  313.369693]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  313.374959]  ? rcu_bh_qs+0xc0/0xc0
[  313.378488]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.384019]  ? check_preemption_disabled+0x48/0x200
[  313.389024]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  313.394027]  ? widen_string+0xe0/0x2e0
[  313.397909]  __alloc_pages_nodemask+0xa80/0xde0
[  313.402575]  ? should_fail+0x22d/0xd01
[  313.406454]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  313.411472]  ? ____cache_alloc_node+0x1c7/0x1e0
[  313.416129]  ? lock_downgrade+0x900/0x900
[  313.420274]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.425893]  cache_grow_begin+0x91/0x8c0
[  313.429944]  ? do_raw_spin_unlock+0xa7/0x2f0
[  313.434346]  fallback_alloc+0x203/0x2e0
[  313.438312]  ____cache_alloc_node+0x1c7/0x1e0
[  313.442799]  kmem_cache_alloc_node+0xe3/0x730
[  313.449621]  ? ipv6_get_ifaddr+0x42e/0x620
[  313.453852]  __alloc_skb+0x119/0x770
[  313.457557]  ? skb_scrub_packet+0x490/0x490
[  313.461870]  ? lock_downgrade+0x900/0x900
[  313.466789]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.472334]  ? refcount_sub_and_test_checked+0x203/0x310
[  313.478077]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  313.483521]  ? addrconf_rs_timer+0x690/0x690
[  313.487924]  ndisc_alloc_skb+0x144/0x340
[  313.491975]  ndisc_send_rs+0x331/0x6e0
[  313.495858]  addrconf_rs_timer+0x314/0x690
[  313.500081]  ? neigh_invalidate+0x550/0x550
[  313.504393]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.508622]  call_timer_fn+0x272/0x920
[  313.512501]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.516736]  ? process_timeout+0x40/0x40
[  313.520808]  ? trace_hardirqs_off+0xb8/0x310
[  313.525203]  ? kasan_check_read+0x11/0x20
[  313.529346]  ? do_raw_spin_unlock+0xa7/0x2f0
[  313.533741]  ? trace_hardirqs_on+0x310/0x310
[  313.538143]  ? __run_timers+0x7da/0xc70
[  313.542106]  ? lock_downgrade+0x900/0x900
[  313.546255]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  313.551346]  ? trace_hardirqs_on+0xbd/0x310
[  313.555656]  ? kasan_check_read+0x11/0x20
[  313.559799]  ? __run_timers+0x7da/0xc70
[  313.563765]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  313.569213]  ? kasan_check_write+0x14/0x20
[  313.573447]  ? do_raw_spin_lock+0xc1/0x200
[  313.577674]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.581900]  __run_timers+0x7e5/0xc70
[  313.585697]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  313.591049]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  313.596054]  ? timerqueue_add+0x207/0x2b0
[  313.600195]  ? enqueue_hrtimer+0x1a5/0x560
[  313.604422]  ? lock_release+0x970/0x970
[  313.608387]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  313.613566]  ? kasan_check_write+0x14/0x20
[  313.617797]  ? pvclock_read_flags+0x160/0x160
[  313.622285]  ? lock_downgrade+0x900/0x900
[  313.626427]  ? trace_hardirqs_on+0xbd/0x310
[  313.630740]  ? kvm_sched_clock_read+0x9/0x20
[  313.635139]  ? irq_exit+0x17f/0x1c0
[  313.638895]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.644418]  ? check_preemption_disabled+0x48/0x200
[  313.649427]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.654956]  run_timer_softirq+0x52/0xb0
[  313.659007]  ? __this_cpu_preempt_check+0x1c/0x1f
[  313.663843]  __do_softirq+0x30b/0xad8
[  313.667638]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  313.672740]  ? pvclock_read_flags+0x160/0x160
[  313.677229]  ? lapic_next_event+0x5a/0x90
[  313.681368]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.686907]  ? clockevents_program_event+0x140/0x370
[  313.692010]  ? kvm_clock_read+0x18/0x30
[  313.695977]  ? kvm_sched_clock_read+0x9/0x20
[  313.700375]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.705905]  ? check_preemption_disabled+0x48/0x200
[  313.710915]  irq_exit+0x17f/0x1c0
[  313.714356]  smp_apic_timer_interrupt+0x1cb/0x760
[  313.719187]  ? smp_reschedule_interrupt+0x109/0x650
[  313.724198]  ? smp_call_function_single_interrupt+0x650/0x650
[  313.730082]  ? interrupt_entry+0xb5/0xf0
[  313.734135]  ? trace_hardirqs_off_caller+0xbb/0x310
[  313.739139]  ? trace_hardirqs_off_caller+0xbb/0x310
[  313.744145]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  313.748974]  ? trace_hardirqs_on_caller+0x310/0x310
[  313.753978]  ? trace_hardirqs_on_caller+0x310/0x310
[  313.758989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.764519]  ? check_preemption_disabled+0x48/0x200
[  313.769526]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  313.774360]  apic_timer_interrupt+0xf/0x20
[  313.778580]  </IRQ>
[  313.780807] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  313.785730] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  313.804720] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  313.812419] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  313.819676] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  313.826935] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  313.834211] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  313.841470] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  313.848738]  ? trace_hardirqs_on+0xb4/0x310
[  313.853058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.858587]  skb_clone+0x1bb/0x500
[  313.862118]  ? finish_task_switch+0x2f5/0x900
[  313.866599]  ? skb_split+0x11e0/0x11e0
[  313.870478]  ? preempt_notifier_register+0x200/0x200
[  313.875575]  ? __switch_to_asm+0x34/0x70
[  313.879622]  ? __switch_to_asm+0x34/0x70
[  313.883673]  ? __switch_to_asm+0x40/0x70
[  313.887721]  ? __switch_to_asm+0x34/0x70
[  313.891767]  ? __switch_to_asm+0x40/0x70
[  313.895812]  ? __switch_to_asm+0x34/0x70
[  313.899859]  ? __switch_to_asm+0x40/0x70
[  313.903918]  ? __switch_to_asm+0x34/0x70
[  313.907969]  ? __switch_to_asm+0x34/0x70
[  313.912019]  ? __switch_to_asm+0x40/0x70
[  313.916080]  ? __switch_to_asm+0x34/0x70
[  313.920132]  bpf_clone_redirect+0xb9/0x490
[  313.924360]  ? __schedule+0x874/0x1ed0
[  313.928245]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  313.933166]  ? __sched_text_start+0x8/0x8
[  313.937313]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  313.942059]  ? retint_kernel+0x2d/0x2d
[  313.945942]  ? lock_acquire+0x1ed/0x520
[  313.950002]  ? bpf_test_run+0x32e/0x5a0
[  313.953967]  ? lock_release+0x970/0x970
[  313.957933]  ? preempt_schedule+0x4d/0x60
[  313.962070]  ? preempt_schedule_common+0x1f/0xd0
[  313.966814]  ? preempt_schedule+0x4d/0x60
[  313.970956]  ? ___preempt_schedule+0x16/0x18
[  313.975358]  ? bpf_test_run+0x1c0/0x5a0
[  313.979327]  ? netlink_diag_dump+0x2a0/0x2a0
[  313.983726]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  313.989251]  ? bpf_test_init.isra.9+0x70/0x100
[  313.993822]  ? bpf_prog_test_run_skb+0x634/0xb40
[  313.998569]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  314.003404]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  314.008929]  ? fput+0x130/0x1a0
[  314.012210]  ? __bpf_prog_get+0x9b/0x290
[  314.016260]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  314.021093]  ? bpf_prog_test_run+0x130/0x1a0
[  314.025491]  ? __x64_sys_bpf+0x3d8/0x510
[  314.029538]  ? bpf_prog_get+0x20/0x20
[  314.033337]  ? do_syscall_64+0x1b9/0x820
[  314.037388]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  314.042741]  ? syscall_return_slowpath+0x5e0/0x5e0
[  314.047661]  ? trace_hardirqs_on_caller+0x310/0x310
[  314.052666]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  314.057671]  ? recalc_sigpending_tsk+0x180/0x180
[  314.062533]  ? kasan_check_write+0x14/0x20
[  314.066766]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  314.071619]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  314.076980] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  314.076984] warn_alloc_show_mem: 1 callbacks suppressed
[  314.076990] Mem-Info:
[  314.083816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  314.089183] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  314.089183]  active_file:16 inactive_file:17 isolated_file:0
[  314.089183]  unevictable:0 dirty:0 writeback:0 unstable:0
[  314.089183]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  314.089183]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  314.089183]  free:13792 free_pcp:309 free_cma:0
[  314.091548] Call Trace:
[  314.100917] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  314.134230]  dump_stack+0x1c4/0x2b4
[  314.136781] Node 0 
[  314.164615]  ? dump_stack_print_info.cold.2+0x52/0x52
[  314.168227] 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
[  314.170432]  ? isolate_lru_page+0x22e0/0x22e0
[  314.175582] lowmem_reserve[]: 0
[  314.201505]  warn_alloc.cold.119+0xb7/0x1bd
[  314.205963]  2819
[  314.209229]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  314.213516]  6323
[  314.215565]  ? lock_downgrade+0x900/0x900
[  314.220382]  6323
[  314.222429]  ? trace_hardirqs_off+0xb8/0x310
[  314.228610]  ? trace_hardirqs_off+0xb8/0x310
[  314.232986] Node 0 DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  314.237399]  __alloc_pages_slowpath+0x2667/0x2d80
[  314.237422]  ? mark_held_locks+0x130/0x130
[  314.264961] lowmem_reserve[]: 0
[  314.269796]  ? warn_alloc+0x120/0x120
[  314.274331]  0
[  314.278434]  ? warn_alloc+0x120/0x120
[  314.282204]  3503
[  314.283991]  ? warn_alloc+0x120/0x120
[  314.287840]  3503
[  314.289898]  ? mark_held_locks+0x130/0x130
[  314.293662] Node 0 
[  314.295713]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.299934] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  314.302133]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.307638] lowmem_reserve[]:
[  314.338048]  ? should_fail+0x22d/0xd01
[  314.343550]  0
[  314.346641]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  314.350495]  0
[  314.352283]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.357347]  0 0
[  314.357355] 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
[  314.357403] Node 0 DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB
[  314.357456] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB
[  314.357506] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  314.357512] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  314.357515] 4986 total pagecache pages
[  314.357519] 0 pages in swap cache
[  314.357523] Swap cache stats: add 0, delete 0, find 0/0
[  314.357526] Free swap  = 0kB
[  314.357528] Total swap = 0kB
[  314.357531] 1965979 pages RAM
[  314.357534] 0 pages HighMem/MovableOnly
[  314.357537] 342307 pages reserved
[  314.357539] 0 pages cma reserved
[  314.357581] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  314.357614] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  314.357618] syz-executor4 cpuset=syz4 mems_allowed=0
[  314.489578]  ? should_fail+0x22d/0xd01
[  314.493459]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  314.500379]  ? should_fail+0x22d/0xd01
[  314.505877]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  314.510975]  ? mark_held_locks+0x130/0x130
[  314.515223]  ? mark_held_locks+0x130/0x130
[  314.520281]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.525813]  ? mark_held_locks+0x130/0x130
[  314.530036]  ? trace_hardirqs_on+0x310/0x310
[  314.534435]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.539960]  ? wq_watchdog_touch+0x9c/0xfe
[  314.544187]  ? io_serial_in+0x11/0x90
[  314.548447]  ? retint_kernel+0x2d/0x2d
[  314.552326]  ? trace_hardirqs_on_caller+0xc0/0x310
[  314.557248]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  314.561993]  ? trace_hardirqs_off+0x310/0x310
[  314.566480]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  314.571578]  __alloc_pages_nodemask+0xa80/0xde0
[  314.576236]  ? should_fail+0x22d/0xd01
[  314.580577]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  314.586060]  ? ____cache_alloc_node+0x1c7/0x1e0
[  314.590718]  ? lock_downgrade+0x900/0x900
[  314.594862]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.600389]  cache_grow_begin+0x91/0x8c0
[  314.604442]  ? do_raw_spin_unlock+0xa7/0x2f0
[  314.609354]  fallback_alloc+0x203/0x2e0
[  314.613326]  ____cache_alloc_node+0x1c7/0x1e0
[  314.617811]  kmem_cache_alloc_node+0xe3/0x730
[  314.622297]  ? ipv6_get_ifaddr+0x42e/0x620
[  314.626523]  __alloc_skb+0x119/0x770
[  314.630227]  ? skb_scrub_packet+0x490/0x490
[  314.634540]  ? lock_downgrade+0x900/0x900
[  314.638681]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.644208]  ? refcount_sub_and_test_checked+0x203/0x310
[  314.649656]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  314.655098]  ? addrconf_rs_timer+0x690/0x690
[  314.659512]  ndisc_alloc_skb+0x144/0x340
[  314.663567]  ndisc_send_rs+0x331/0x6e0
[  314.667460]  addrconf_rs_timer+0x314/0x690
[  314.671684]  ? lock_release+0x970/0x970
[  314.675654]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  314.679886]  call_timer_fn+0x272/0x920
[  314.683769]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  314.687998]  ? process_timeout+0x40/0x40
[  314.692045]  ? kasan_check_read+0x11/0x20
[  314.696183]  ? do_raw_spin_unlock+0xa7/0x2f0
[  314.700583]  ? trace_hardirqs_on+0x310/0x310
[  314.704986]  ? __run_timers+0x7da/0xc70
[  314.708948]  ? lock_downgrade+0x900/0x900
[  314.713135]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  314.718230]  ? trace_hardirqs_on+0xbd/0x310
[  314.722541]  ? kasan_check_read+0x11/0x20
[  314.726678]  ? __run_timers+0x7da/0xc70
[  314.730641]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  314.736090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.741628]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  314.745858]  __run_timers+0x7e5/0xc70
[  314.749660]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  314.755027]  ? compat_start_thread+0x80/0x80
[  314.759426]  ? dequeue_entity+0x1770/0x1770
[  314.763736]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.769678]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.775744]  ? kasan_check_write+0x14/0x20
[  314.779969]  ? finish_task_switch+0x2f5/0x900
[  314.784455]  ? __switch_to_asm+0x40/0x70
[  314.788507]  ? preempt_notifier_register+0x200/0x200
[  314.793598]  ? __switch_to_asm+0x34/0x70
[  314.797652]  ? __switch_to_asm+0x40/0x70
[  314.801699]  ? __switch_to_asm+0x34/0x70
[  314.805751]  ? __switch_to_asm+0x40/0x70
[  314.810292]  ? __switch_to_asm+0x34/0x70
[  314.814340]  ? __switch_to_asm+0x40/0x70
[  314.818396]  ? pvclock_read_flags+0x160/0x160
[  314.823374]  ? __schedule+0x874/0x1ed0
[  314.827251]  ? run_rebalance_domains+0x38d/0x500
[  314.831997]  ? trace_hardirqs_on+0xbd/0x310
[  314.836310]  ? kvm_sched_clock_read+0x9/0x20
[  314.841152]  ? run_ksoftirqd+0x94/0x100
[  314.845122]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.850654]  ? check_preemption_disabled+0x48/0x200
[  314.855663]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.861195]  run_timer_softirq+0x52/0xb0
[  314.865253]  ? __this_cpu_preempt_check+0x1c/0x1f
[  314.872650]  __do_softirq+0x30b/0xad8
[  314.876722]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  314.881818]  ? trace_hardirqs_off+0xb8/0x310
[  314.886222]  ? schedule+0x108/0x460
[  314.889841]  ? __schedule+0x1ed0/0x1ed0
[  314.893806]  ? run_ksoftirqd+0x99/0x100
[  314.897770]  ? trace_hardirqs_off+0xb8/0x310
[  314.902167]  ? ___might_sleep+0x1ed/0x300
[  314.906303]  ? smpboot_thread_fn+0x68b/0xa00
[  314.911151]  ? trace_hardirqs_on+0x310/0x310
[  314.915559]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.921090]  ? check_preemption_disabled+0x48/0x200
[  314.926111]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.931645]  ? takeover_tasklets+0xa90/0xa90
[  314.936046]  run_ksoftirqd+0x94/0x100
[  314.939835]  smpboot_thread_fn+0x68b/0xa00
[  314.944062]  ? sort_range+0x30/0x30
[  314.947679]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  314.952776]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.958301]  ? __kthread_parkme+0xfb/0x1a0
[  314.962526]  kthread+0x35a/0x420
[  314.965883]  ? sort_range+0x30/0x30
[  314.969937]  ? kthread_bind+0x40/0x40
[  314.973727]  ret_from_fork+0x3a/0x50
[  314.977444] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  314.977466] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[  314.984710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  314.990921] Call Trace:
[  315.000786] rcu: 	0-...!: (1 GPs behind) idle=c7a/1/0x4000000000000002 softirq=14056/14057 fqs=223 
[  315.003337]  <IRQ>
[  315.012493] rcu: 	(detected by 1, t=10596 jiffies, g=17125, q=11)
[  315.014636]  dump_stack+0x1c4/0x2b4
[  315.014653]  ? dump_stack_print_info.cold.2+0x52/0x52
[  315.020869] Sending NMI from CPU 1 to CPUs 0:
[  315.024480]  warn_alloc.cold.119+0xb7/0x1bd
[  315.031640] NMI backtrace for cpu 0
[  315.031645] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  315.031652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  315.031656] RIP: 0010:__sanitizer_cov_trace_const_cmp1+0x15/0x20
[  315.031667] Code: 00 48 89 e5 48 8b 4d 08 e8 c8 fe ff ff 5d c3 66 0f 1f 44 00 00 55 40 0f b6 d6 40 0f b6 f7 bf 01 00 00 00 48 89 e5 48 8b 4d 08 <e8> a6 fe ff ff 5d c3 0f 1f 40 00 55 0f b7 d6 0f b7 f7 bf 03 00 00
[  315.031671] RSP: 0000:ffff8801dae06268 EFLAGS: 00000006
[  315.031679] RAX: ffff8801b9e6e440 RBX: 0000000000000025 RCX: ffffffff87ac7819
[  315.031684] RDX: 0000000000000025 RSI: 0000000000000025 RDI: 0000000000000001
[  315.031689] RBP: ffff8801dae06268 R08: ffff8801b9e6e440 R09: fffffbfff15d36e4
[  315.031694] R10: fffffbfff15d36e4 R11: ffffffff8ae9b720 R12: ffffffff880bdf21
[  315.031700] R13: ffff8801dae06398 R14: ffff8801dae062f8 R15: ffffffff880bdf21
[  315.031705] FS:  00007ff2b4573700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000
[  315.031710] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  315.031715] CR2: 00007f484b2e7e40 CR3: 00000001c4487000 CR4: 00000000001406f0
[  315.031720] DR0: 0000000000000000 DR1: 0000000020000080 DR2: 0000000000000000
[  315.031725] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
[  315.031728] Call Trace:
[  315.031730]  <IRQ>
[  315.031734]  format_decode+0x129/0xaf0
[  315.031737]  ? set_precision+0xe0/0xe0
[  315.031741]  ? mark_held_locks+0x130/0x130
[  315.031744]  vsnprintf+0x185/0x1b60
[  315.031748]  ? pointer+0x990/0x990
[  315.031751]  sprintf+0xb0/0xe0
[  315.031754]  ? scnprintf+0x130/0x130
[  315.031757]  print_prefix+0x26a/0x3f0
[  315.031761]  msg_print_text+0xcc/0x1d0
[  315.031764]  console_unlock+0x4d6/0x1160
[  315.031768]  ? devkmsg_read+0xbb0/0xbb0
[  315.031771]  ? lock_release+0x970/0x970
[  315.031775]  ? trace_hardirqs_off+0xb8/0x310
[  315.031779]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  315.031782]  ? trace_hardirqs_on+0x310/0x310
[  315.031786]  ? kasan_check_write+0x14/0x20
[  315.031790]  ? do_raw_spin_lock+0xc1/0x200
[  315.031793]  vprintk_emit+0x33d/0x930
[  315.031797]  ? wake_up_klogd+0x180/0x180
[  315.031801]  ? __sanitizer_cov_trace_cmp2+0x1/0x20
[  315.031804]  ? bpf_prog_kallsyms_find+0xde/0x4a0
[  315.031808]  ? is_bpf_text_address+0xac/0x170
[  315.031812]  ? lock_downgrade+0x900/0x900
[  315.031815]  vprintk_default+0x28/0x30
[  315.031819]  vprintk_func+0x7e/0x181
[  315.031822]  ? unwind_dump+0x190/0x190
[  315.031825]  printk+0xa7/0xcf
[  315.031829]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  315.031833]  ? is_bpf_text_address+0xd3/0x170
[  315.031836]  ? warn_alloc.cold.119+0xb7/0x1bd
[  315.031840]  show_trace_log_lvl+0x23a/0x28c
[  315.031844]  ? warn_alloc.cold.119+0xb7/0x1bd
[  315.031847]  ? warn_alloc.cold.119+0xb7/0x1bd
[  315.031851]  show_stack+0x38/0x3a
[  315.031854]  dump_stack+0x1c4/0x2b4
[  315.031858]  ? dump_stack_print_info.cold.2+0x52/0x52
[  315.031862]  warn_alloc.cold.119+0xb7/0x1bd
[  315.031866]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  315.031869]  ? lock_downgrade+0x900/0x900
[  315.031873]  ? trace_hardirqs_off+0xb8/0x310
[  315.031877]  ? trace_hardirqs_off+0xb8/0x310
[  315.031881]  __alloc_pages_slowpath+0x2667/0x2d80
[  315.031885]  ? warn_alloc+0x120/0x120
[  315.031888]  ? warn_alloc+0x120/0x120
[  315.031891]  ? warn_alloc+0x120/0x120
[  315.031895]  ? lock_release+0x970/0x970
[  315.031899]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  315.031903]  ? trace_hardirqs_on+0x310/0x310
[  315.031907]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.031911]  ? should_fail+0x22d/0xd01
[  315.031915]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  315.031919]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.031922]  ? should_fail+0x22d/0xd01
[  315.031926]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  315.031930]  ? should_fail+0x22d/0xd01
[  315.031934]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  315.031937]  ? mark_held_locks+0x130/0x130
[  315.031941]  ? mark_held_locks+0x130/0x130
[  315.031945]  ? kvm_clock_read+0x18/0x30
[  315.031949]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  315.031952]  ? ktime_get+0x2e1/0x440
[  315.031956]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.031961]  ? check_preemption_disabled+0x48/0x200
[  315.031964]  ? kasan_check_read+0x11/0x20
[  315.031968]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  315.031972]  ? rcu_bh_qs+0xc0/0xc0
[  315.031976]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.031980]  ? check_preemption_disabled+0x48/0x200
[  315.031984]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  315.031988]  ? widen_string+0xe0/0x2e0
[  315.031991]  __alloc_pages_nodemask+0xa80/0xde0
[  315.031995]  ? should_fail+0x22d/0xd01
[  315.031999]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  315.032003]  ? ____cache_alloc_node+0x1c7/0x1e0
[  315.032006]  ? lock_downgrade+0x900/0x900
[  315.032010]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.032014]  cache_grow_begin+0x91/0x8c0
[  315.032018]  ? do_raw_spin_unlock+0xa7/0x2f0
[  315.032021]  fallback_alloc+0x203/0x2e0
[  315.032025]  ____cache_alloc_node+0x1c7/0x1e0
[  315.032029]  kmem_cache_alloc_node+0xe3/0x730
[  315.032032]  ? ipv6_get_ifaddr+0x42e/0x620
[  315.032036]  __alloc_skb+0x119/0x770
[  315.032039]  ? skb_scrub_packet+0x490/0x490
[  315.032043]  ? lock_downgrade+0x900/0x900
[  315.032047]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.032051]  ? refcount_sub_and_test_checked+0x203/0x310
[  315.032055]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  315.032059]  ? addrconf_rs_timer+0x690/0x690
[  315.032063]  ndisc_alloc_skb+0x144/0x340
[  315.032066]  ndisc_send_rs+0x331/0x6e0
[  315.032070]  addrconf_rs_timer+0x314/0x690
[  315.032073]  ? neigh_invalidate+0x550/0x550
[  315.032077]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  315.032080]  call_timer_fn+0x272/0x920
[  315.032084]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  315.032087]  ? process_timeout+0x40/0x40
[  315.032098]  ? trace_hardirqs_off+0xb8/0x310
[  315.032101]  ? kasan_check_read+0x11/0x20
[  315.032105]  ? do_raw_spin_unlock+0xa7/0x2f0
[  315.032109]  ? trace_hardirqs_on+0x310/0x310
[  315.032112]  ? __run_timers+0x7da/0xc70
[  315.032116]  ? lock_downgrade+0x900/0x900
[  315.032119]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  315.032123]  ? trace_hardirqs_on+0xbd/0x310
[  315.032127]  ? kasan_check_read+0x11/0x20
[  315.032130]  ? __run_timers+0x7da/0xc70
[  315.032134]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  315.032138]  ? kasan_check_write+0x14/0x20
[  315.032142]  ? do_raw_spin_lock+0xc1/0x200
[  315.032146]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  315.032149]  __run_timers+0x7e5/0xc70
[  315.032153]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  315.032157]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  315.032161]  ? timerqueue_add+0x207/0x2b0
[  315.032164]  ? enqueue_hrtimer+0x1a5/0x560
[  315.032168]  ? lock_release+0x970/0x970
[  315.032172]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  315.032176]  ? kasan_check_write+0x14/0x20
[  315.032179]  ? pvclock_read_flags+0x160/0x160
[  315.032183]  ? lock_downgrade+0x900/0x900
[  315.032186]  ? trace_hardirqs_on+0xbd/0x310
[  315.032190]  ? kvm_sched_clock_read+0x9/0x20
[  315.032193]  ? irq_exit+0x17f/0x1c0
[  315.032197]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.032202]  ? check_preemption_disabled+0x48/0x200
[  315.032206]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.032210]  run_timer_softirq+0x52/0xb0
[  315.032214]  ? __this_cpu_preempt_check+0x1c/0x1f
[  315.032217]  __do_softirq+0x30b/0xad8
[  315.032221]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  315.032226]  ? pvclock_read_flags+0x160/0x160
[  315.032230]  ? lapic_next_event+0x5a/0x90
[  315.032234]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.032238]  ? clockevents_program_event+0x140/0x370
[  315.032241]  ? kvm_clock_read+0x18/0x30
[  315.032245]  ? kvm_sched_clock_read+0x9/0x20
[  315.032249]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.032254]  ? check_preemption_disabled+0x48/0x200
[  315.032257]  irq_exit+0x17f/0x1c0
[  315.032261]  smp_apic_timer_interrupt+0x1cb/0x760
[  315.032265]  ? smp_reschedule_interrupt+0x109/0x650
[  315.032269]  ? smp_call_function_single_interrupt+0x650/0x650
[  315.032272]  ? interrupt_entry+0xb5/0xf0
[  315.032277]  ? trace_hardirqs_off_caller+0xbb/0x310
[  315.032281]  ? trace_hardirqs_off_caller+0xbb/0x310
[  315.032285]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  315.032289]  ? trace_hardirqs_on_caller+0x310/0x310
[  315.032293]  ? trace_hardirqs_on_caller+0x310/0x310
[  315.032297]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.032301]  ? check_preemption_disabled+0x48/0x200
[  315.032305]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  315.032309]  apic_timer_interrupt+0xf/0x20
[  315.032311]  </IRQ>
[  315.032315] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  315.032326] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  315.032330] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  315.032339] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  315.032344] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  315.032349] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  315.032354] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  315.032360] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  315.032363]  ? trace_hardirqs_on+0xb4/0x310
[  315.032368]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.032371]  skb_clone+0x1bb/0x500
[  315.032375]  ? finish_task_switch+0x2f5/0x900
[  315.032378]  ? skb_split+0x11e0/0x11e0
[  315.032382]  ? preempt_notifier_register+0x200/0x200
[  315.032386]  ? __switch_to_asm+0x34/0x70
[  315.032389]  ? __switch_to_asm+0x34/0x70
[  315.032393]  ? __switch_to_asm+0x40/0x70
[  315.032397]  ? __switch_to_asm+0x34/0x70
[  315.032400]  ? __switch_to_asm+0x40/0x70
[  315.032404]  ? __switch_to_asm+0x34/0x70
[  315.032407]  ? __switch_to_asm+0x40/0x70
[  315.032411]  ? __switch_to_asm+0x34/0x70
[  315.032414]  ? __switch_to_asm+0x34/0x70
[  315.032418]  ? __switch_to_asm+0x40/0x70
[  315.032421]  ? __switch_to_asm+0x34/0x70
[  315.032425]  bpf_clone_redirect+0xb9/0x490
[  315.032428]  ? __schedule+0x874/0x1ed0
[  315.032432]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  315.032436]  ? __sched_text_start+0x8/0x8
[  315.032440]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  315.032444]  ? retint_kernel+0x2d/0x2d
[  315.032447]  ? lock_acquire+0x1ed/0x520
[  315.032451]  ? bpf_test_run+0x32e/0x5a0
[  315.032454]  ? lock_release+0x970/0x970
[  315.032458]  ? preempt_schedule+0x4d/0x60
[  315.032460]  ? pre
[  315.032466] Lost 24 message(s)!
[  315.032482] rcu: rcu_preempt kthread starved for 9190 jiffies! g17125 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[  315.036006]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  315.040801] rcu: RCU grace-period kthread stack dump:
[  315.044408]  ? lock_downgrade+0x900/0x900
[  315.044418]  ? trace_hardirqs_off+0xb8/0x310
[  315.044439]  ? trace_hardirqs_off+0xb8/0x310
[  315.044451]  __alloc_pages_slowpath+0x2667/0x2d80
[  315.044466]  ? warn_alloc+0x120/0x120
[  315.044475]  ? warn_alloc+0x120/0x120
[  315.044484]  ? warn_alloc+0x120/0x120
[  315.044490]  ? lock_release+0x970/0x970
[  315.044498]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  315.044506]  ? trace_hardirqs_on+0x310/0x310
[  315.044515]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.044533]  ? should_fail+0x22d/0xd01
[  315.044543]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  315.044550]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.044558]  ? should_fail+0x22d/0xd01
[  315.044567]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  315.044574]  ? should_fail+0x22d/0xd01
[  315.044583]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  315.044591]  ? mark_held_locks+0x130/0x130
[  315.044600]  ? mark_held_locks+0x130/0x130
[  315.044607]  ? kvm_clock_read+0x18/0x30
[  315.044627]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  315.044634]  ? ktime_get+0x2e1/0x440
[  315.044642]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.044650]  ? check_preemption_disabled+0x48/0x200
[  315.044658]  ? kasan_check_read+0x11/0x20
[  315.044667]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  315.044675]  ? rcu_bh_qs+0xc0/0xc0
[  315.044683]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.044691]  ? check_preemption_disabled+0x48/0x200
[  315.044698]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  315.044704]  ? widen_string+0xe0/0x2e0
[  315.044727]  __alloc_pages_nodemask+0xa80/0xde0
[  315.044734]  ? should_fail+0x22d/0xd01
[  315.044743]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  315.044758]  ? ____cache_alloc_node+0x1c7/0x1e0
[  315.044765]  ? lock_downgrade+0x900/0x900
[  315.044775]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.044784]  cache_grow_begin+0x91/0x8c0
[  315.044792]  ? do_raw_spin_unlock+0xa7/0x2f0
[  315.044802]  fallback_alloc+0x203/0x2e0
[  315.044823]  ____cache_alloc_node+0x1c7/0x1e0
[  315.044832]  kmem_cache_alloc_node+0xe3/0x730
[  315.044840]  ? ipv6_get_ifaddr+0x42e/0x620
[  315.044850]  __alloc_skb+0x119/0x770
[  315.044858]  ? skb_scrub_packet+0x490/0x490
[  315.044865]  ? lock_downgrade+0x900/0x900
[  315.044875]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.044882]  ? refcount_sub_and_test_checked+0x203/0x310
[  315.044891]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  315.044911]  ? addrconf_rs_timer+0x690/0x690
[  315.044922]  ndisc_alloc_skb+0x144/0x340
[  315.044931]  ndisc_send_rs+0x331/0x6e0
[  315.044940]  addrconf_rs_timer+0x314/0x690
[  315.044948]  ? neigh_invalidate+0x550/0x550
[  315.044957]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  315.044968]  call_timer_fn+0x272/0x920
[  315.044975]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  315.044983]  ? process_timeout+0x40/0x40
[  315.045003]  ? trace_hardirqs_off+0xb8/0x310
[  315.045009]  ? kasan_check_read+0x11/0x20
[  315.045017]  ? do_raw_spin_unlock+0xa7/0x2f0
[  315.045024]  ? trace_hardirqs_on+0x310/0x310
[  315.045033]  ? __run_timers+0x7da/0xc70
[  315.045040]  ? lock_downgrade+0x900/0x900
[  315.045049]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  315.045056]  ? trace_hardirqs_on+0xbd/0x310
[  315.045062]  ? kasan_check_read+0x11/0x20
[  315.045070]  ? __run_timers+0x7da/0xc70
[  315.045078]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  315.045104]  ? kasan_check_write+0x14/0x20
[  315.045124]  ? do_raw_spin_lock+0xc1/0x200
[  315.052832] rcu_preempt     R
[  315.062177]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  315.068288]   running task    
[  315.087176]  __run_timers+0x7e5/0xc70
[  315.092527] 23272    10      2 0x80000000
[  315.099815]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  315.107053] Call Trace:
[  315.114444]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  315.114455]  ? timerqueue_add+0x207/0x2b0
[  315.114464]  ? enqueue_hrtimer+0x1a5/0x560
[  315.114471]  ? lock_release+0x970/0x970
[  315.114499]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  315.114508]  ? kasan_check_write+0x14/0x20
[  315.114518]  ? pvclock_read_flags+0x160/0x160
[  315.114526]  ? lock_downgrade+0x900/0x900
[  315.114536]  ? trace_hardirqs_on+0xbd/0x310
[  315.114556]  ? kvm_sched_clock_read+0x9/0x20
[  315.114564]  ? irq_exit+0x17f/0x1c0
[  315.114572]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.114592]  ? check_preemption_disabled+0x48/0x200
[  315.114600]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.114610]  run_timer_softirq+0x52/0xb0
[  315.114622]  ? __this_cpu_preempt_check+0x1c/0x1f
[  315.114657]  __do_softirq+0x30b/0xad8
[  315.124864]  __schedule+0x86c/0x1ed0
[  315.132121]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  315.140426]  ? __sched_text_start+0x8/0x8
[  315.146294]  ? pvclock_read_flags+0x160/0x160
[  315.153543]  ? __mod_timer+0x6f6/0x1870
[  315.160794]  ? lapic_next_event+0x5a/0x90
[  315.168045]  ? add_timer_on+0x9f0/0x9f0
[  315.170607]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.172735]  ? lock_downgrade+0x900/0x900
[  315.176601]  ? clockevents_program_event+0x140/0x370
[  315.180471]  ? trace_hardirqs_on+0xbd/0x310
[  315.184685]  ? kvm_clock_read+0x18/0x30
[  315.188288]  ? kasan_check_read+0x11/0x20
[  315.191806]  ? kvm_sched_clock_read+0x9/0x20
[  315.194974]  ? prepare_to_swait_event+0x25a/0x800
[  315.198665]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.202441]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  315.206304]  ? check_preemption_disabled+0x48/0x200
[  315.210344]  schedule+0xfe/0x460
[  315.214297]  irq_exit+0x17f/0x1c0
[  315.218248]  ? __schedule+0x1ed0/0x1ed0
[  315.222632]  smp_apic_timer_interrupt+0x1cb/0x760
[  315.227190]  ? prepare_to_swait_event+0x25a/0x800
[  315.231572]  ? smp_reschedule_interrupt+0x109/0x650
[  315.235785]  ? __init_swait_queue_head+0x150/0x150
[  315.239995]  ? smp_call_function_single_interrupt+0x650/0x650
[  315.243772]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  315.247806]  ? interrupt_entry+0xb5/0xf0
[  315.252710]  ? __lockdep_init_map+0x105/0x590
[  315.257441]  ? trace_hardirqs_off_caller+0xbb/0x310
[  315.261926]  ? lockdep_init_map+0x9/0x10
[  315.266053]  ? trace_hardirqs_off_caller+0xbb/0x310
[  315.269913]  schedule_timeout+0x140/0x260
[  315.273604]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  315.277902]  ? usleep_range+0x1a0/0x1a0
[  315.281002]  ? trace_hardirqs_on_caller+0x310/0x310
[  315.286175]  ? __next_timer_interrupt+0x1a0/0x1a0
[  315.290645]  ? trace_hardirqs_on_caller+0x310/0x310
[  315.295119]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.299420]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.303893]  rcu_gp_kthread+0x9d9/0x2310
[  315.308367]  ? check_preemption_disabled+0x48/0x200
[  315.311805]  ? rcu_gp_init+0x1830/0x1830
[  315.315403]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  315.320577]  ? update_curr+0x344/0xbe0
[  315.324876]  apic_timer_interrupt+0xf/0x20
[  315.329691]  ? graph_lock+0x170/0x170
[  315.333810]  </IRQ>
[  315.338196]  ? __account_cfs_rq_runtime+0x790/0x790
[  315.342593] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  315.347411]  ? __lock_acquire+0x7ec/0x4ec0
[  315.351194] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  315.354971]  ? graph_lock+0x170/0x170
[  315.358741] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286
[  315.362700]  ? mark_held_locks+0x130/0x130
[  315.367856]  ORIG_RAX: ffffffffffffff13
[  315.372248]  ? __lock_is_held+0xb5/0x140
[  315.377758] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  315.381848]  ? __account_cfs_rq_runtime+0x790/0x790
[  315.386921] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  315.392446]  ? set_next_entity+0x2f0/0xaf0
[  315.396308] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  315.401390]  ? mark_held_locks+0x130/0x130
[  315.405247] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  315.410328]  ? rcu_read_lock_sched_held+0x108/0x120
[  315.414535] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  315.418752]  ? update_load_avg+0x2470/0x2470
[  315.422702]  ? trace_hardirqs_on+0xb4/0x310
[  315.427695]  ? __enqueue_entity+0x10d/0x1f0
[  315.431386]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.436898]  ? graph_lock+0x170/0x170
[  315.441890]  skb_clone+0x1bb/0x500
[  315.446012]  ? match_held_lock+0x291/0x8d0
[  315.452161]  ? finish_task_switch+0x2f5/0x900
[  315.455676]  ? graph_lock+0x170/0x170
[  315.461192]  ? skb_split+0x11e0/0x11e0
[  315.468638]  ? match_held_lock+0x290/0x8d0
[  315.473651]  ? preempt_notifier_register+0x200/0x200
[  315.477692]  ? match_held_lock+0x290/0x8d0
[  315.482338]  ? __switch_to_asm+0x34/0x70
[  315.486203]  ? _raw_spin_unlock_irq+0x27/0x80
[  315.491195]  ? __switch_to_asm+0x34/0x70
[  315.495849]  ? _raw_spin_unlock_irq+0x27/0x80
[  315.499980]  ? __switch_to_asm+0x40/0x70
[  315.505493]  ? lockdep_hardirqs_on+0x421/0x5c0
[  315.509528]  ? __switch_to_asm+0x34/0x70
[  315.513915]  ? trace_hardirqs_on+0xbd/0x310
[  315.517865]  ? __switch_to_asm+0x40/0x70
[  315.522335]  ? kasan_check_read+0x11/0x20
[  315.526810]  ? __switch_to_asm+0x34/0x70
[  315.531329]  ? mark_held_locks+0x130/0x130
[  315.535027]  ? __switch_to_asm+0x40/0x70
[  315.539324]  ? audit_add_watch+0x481/0xdc0
[  315.543457]  ? __switch_to_asm+0x34/0x70
[  315.548973]  ? kasan_check_write+0x14/0x20
[  315.554415]  ? __switch_to_asm+0x34/0x70
[  315.559841]  ? finish_task_switch+0x2f5/0x900
[  315.564292]  ? __switch_to_asm+0x40/0x70
[  315.564306]  ? __switch_to_asm+0x34/0x70
[  315.568347]  ? __switch_to_asm+0x40/0x70
[  315.572217]  bpf_clone_redirect+0xb9/0x490
[  315.576427]  ? preempt_notifier_register+0x200/0x200
[  315.580724]  ? __schedule+0x874/0x1ed0
[  315.584933]  ? __switch_to_asm+0x34/0x70
[  315.588799]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  315.593007]  ? __switch_to_asm+0x34/0x70
[  315.597058]  ? __sched_text_start+0x8/0x8
[  315.601439]  ? __switch_to_asm+0x40/0x70
[  315.605567]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  315.609952]  ? __switch_to_asm+0x40/0x70
[  315.614337]  ? retint_kernel+0x2d/0x2d
[  315.618289]  ? __switch_to_asm+0x34/0x70
[  315.622417]  ? lock_acquire+0x1ed/0x520
[  315.627493]  ? __switch_to_asm+0x40/0x70
[  315.631790]  ? bpf_test_run+0x32e/0x5a0
[  315.635913]  ? __switch_to_asm+0x34/0x70
[  315.639864]  ? lock_release+0x970/0x970
[  315.645300]  ? __switch_to_asm+0x34/0x70
[  315.649509]  ? preempt_schedule+0x4d/0x60
[  315.653719]  ? __switch_to_asm+0x40/0x70
[  315.658037]  ? preempt_schedule_common+0x1f/0xd0
[  315.661816]  ? __switch_to_asm+0x40/0x70
[  315.667160]  ? preempt_schedule+0x4d/0x60
[  315.672163]  ? __switch_to_asm+0x34/0x70
[  315.676291]  ? ___preempt_schedule+0x16/0x18
[  315.680503]  ? __switch_to_asm+0x40/0x70
[  315.684457]  ? bpf_test_run+0x1c0/0x5a0
[  315.689623]  ? __schedule+0x874/0x1ed0
[  315.693837]  ? netlink_diag_dump+0x2a0/0x2a0
[  315.700063]  ? __switch_to_asm+0x40/0x70
[  315.700087]  ? __switch_to_asm+0x40/0x70
[  315.700103]  ? graph_lock+0x170/0x170
[  315.704234]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.709177]  ? __sched_text_start+0x8/0x8
[  315.713554]  ? bpf_test_init.isra.9+0x70/0x100
[  315.713573]  ? bpf_prog_test_run_skb+0x634/0xb40
[  315.717178]  ? find_held_lock+0x36/0x1c0
[  315.722690]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  315.727685]  ? __kthread_parkme+0xce/0x1a0
[  315.733199]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  315.737235]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  315.742077]  ? fput+0x130/0x1a0
[  315.745855]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  315.750945]  ? __bpf_prog_get+0x9b/0x290
[  315.755417]  ? lockdep_hardirqs_on+0x421/0x5c0
[  315.759541]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  315.765062]  ? trace_hardirqs_on+0xbd/0x310
[  315.770253]  ? bpf_prog_test_run+0x130/0x1a0
[  315.774686]  ? kasan_check_read+0x11/0x20
[  315.779078]  ? __x64_sys_bpf+0x3d8/0x510
[  315.784592]  ? __kthread_parkme+0xce/0x1a0
[  315.789580]  ? bpf_prog_get+0x20/0x20
[  315.793010]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  315.797832]  ? do_syscall_64+0x1b9/0x820
[  315.802819]  ? kasan_check_write+0x14/0x20
[  315.808679]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  315.812714]  ? do_raw_spin_lock+0xc1/0x200
[  315.817705]  ? syscall_return_slowpath+0x5e0/0x5e0
[  315.822694]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  315.827512]  ? trace_hardirqs_on_caller+0x310/0x310
[  315.832503]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.837491]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  315.837507]  ? recalc_sigpending_tsk+0x180/0x180
[  315.843028]  ? __kthread_parkme+0xfb/0x1a0
[  315.848017]  ? kasan_check_write+0x14/0x20
[  315.852843]  kthread+0x35a/0x420
[  315.857062]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  315.859274]  ? rcu_gp_init+0x1830/0x1830
[  315.864178]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  315.883062]  ? kthread_bind+0x40/0x40
[  315.890750] warn_alloc_show_mem: 1 callbacks suppressed
[  315.890755] Mem-Info:
[  315.897998]  ret_from_fork+0x3a/0x50
[  315.905262] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  315.905262]  active_file:16 inactive_file:17 isolated_file:0
[  315.905262]  unevictable:0 dirty:0 writeback:0 unstable:0
[  315.905262]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  315.905262]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  315.905262]  free:13792 free_pcp:309 free_cma:0
[  315.912571] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  315.919765] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  315.927072] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  315.931307] Node 0 
[  315.937275] ksoftirqd/1 cpuset=
[  315.940813] 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
[  315.945259] /
[  315.949133] lowmem_reserve[]:
[  315.954213]  mems_allowed=0
[  315.958248]  0
[  315.962292] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  315.966322]  2819
[  315.970360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  315.974393]  6323
[  315.978428] Call Trace:
[  315.982463]  6323
[  315.986513]  dump_stack+0x1c4/0x2b4
[  315.995023]  ? dump_stack_print_info.cold.2+0x52/0x52
[  315.999050] Node 0 
[  316.003272]  ? isolate_lru_page+0x22e0/0x22e0
[  316.007151] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  316.012044]  warn_alloc.cold.119+0xb7/0x1bd
[  316.016159] lowmem_reserve[]:
[  316.020900]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  316.024754]  0
[  316.028711]  ? lock_downgrade+0x900/0x900
[  316.032651]  0
[  316.037112]  ? trace_hardirqs_off+0xb8/0x310
[  316.041225]  3503
[  316.043358]  ? trace_hardirqs_off+0xb8/0x310
[  316.046606]  3503
[  316.056988]  __alloc_pages_slowpath+0x2667/0x2d80
[  316.066989]  ? mark_held_locks+0x130/0x130
[  316.071095] Node 0 
[  316.075489]  ? warn_alloc+0x120/0x120
[  316.079891] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  316.084695]  ? warn_alloc+0x120/0x120
[  316.088462] lowmem_reserve[]:
[  316.092248]  ? warn_alloc+0x120/0x120
[  316.096026]  0
[  316.099989]  ? mark_held_locks+0x130/0x130
[  316.105587]  0
[  316.109990]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.115488]  0
[  316.120240]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  316.120256]  ? should_fail+0x22d/0xd01
[  316.125325]  0
[  316.130859]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  316.134713] Node 0 
[  316.139797]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  316.143653] DMA: 
[  316.148738]  ? should_fail+0x22d/0xd01
[  316.152940] 1*4kB 
[  316.157158]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  316.161096] (U) 
[  316.166097]  ? should_fail+0x22d/0xd01
[  316.169790] 0*8kB 
[  316.175924]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  316.180923] 0*16kB 1*32kB 
[  316.185067]  ? mark_held_locks+0x130/0x130
[  316.190320] (U) 
[  316.193848]  ? mark_held_locks+0x130/0x130
[  316.199350] 2*64kB (U) 
[  316.204830]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.209812] 1*128kB 
[  316.213681]  ? trace_hardirqs_off+0xb8/0x310
[  316.218317] (U) 
[  316.222186]  ? kasan_check_read+0x11/0x20
[  316.227175] 1*256kB (U) 
[  316.231850]  ? do_raw_spin_unlock+0xa7/0x2f0
[  316.235963] 0*512kB 
[  316.241949]  ? trace_hardirqs_on+0x310/0x310
[  316.245999] 1*1024kB 
[  316.250384]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.250398]  ? wq_watchdog_touch+0x9c/0xfe
[  316.254342] (U) 
[  316.258822]  ? io_serial_in+0x11/0x90
[  316.263282] 1*2048kB 
[  316.267498]  ? retint_kernel+0x2d/0x2d
[  316.271178] (M) 
[  316.275977]  ? trace_hardirqs_on_caller+0xc0/0x310
[  316.280099] 3*4096kB 
[  316.285637]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  316.291058] (M) 
[  316.296507]  ? trace_hardirqs_off+0x310/0x310
[  316.300879] = 15908kB
[  316.300886] Node 0 
[  316.304929]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  316.308791] DMA32: 
[  316.313017]  __alloc_pages_nodemask+0xa80/0xde0
[  316.317310] 6*4kB 
[  316.322005]  ? should_fail+0x22d/0xd01
[  316.325859] (UME) 
[  316.330083]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  316.334109] 2*8kB 
[  316.338514]  ? ____cache_alloc_node+0x1c7/0x1e0
[  316.342616] (UE) 
[  316.347016]  ? lock_downgrade+0x900/0x900
[  316.351395] 4*16kB 
[  316.355352]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.359461] (UME) 4*32kB 
[  316.364554]  cache_grow_begin+0x91/0x8c0
[  316.368844] (UME) 
[  316.372995]  ? do_raw_spin_unlock+0xa7/0x2f0
[  316.376936] 5*64kB 
[  316.382371]  fallback_alloc+0x203/0x2e0
[  316.386576] (ME) 
[  316.390805]  ____cache_alloc_node+0x1c7/0x1e0
[  316.393880] 5*128kB 
[  316.398095]  kmem_cache_alloc_node+0xe3/0x730
[  316.401254] (UME) 
[  316.405546]  ? ipv6_get_ifaddr+0x42e/0x620
[  316.409663] 4*256kB 
[  316.415016]  __alloc_skb+0x119/0x770
[  316.417568] (ME) 
[  316.422570]  ? skb_scrub_packet+0x490/0x490
[  316.426687] 5*512kB 
[  316.430904]  ? lock_downgrade+0x900/0x900
[  316.434844] (UME) 
[  316.440021]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.444217] 4*1024kB (UME) 
[  316.453018]  ? refcount_sub_and_test_checked+0x203/0x310
[  316.457137] 2*2048kB 
[  316.462289]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  316.466679] (ME) 
[  316.470291]  ? addrconf_rs_timer+0x690/0x690
[  316.475792] 3*4096kB 
[  316.480793]  ndisc_alloc_skb+0x144/0x340
[  316.486294] (M) 
[  316.490344]  ndisc_send_rs+0x331/0x6e0
[  316.495156] = 25256kB
[  316.498939]  addrconf_rs_timer+0x314/0x690
[  316.502619] Node 0 
[  316.507712]  ? lock_release+0x970/0x970
[  316.511824] Normal: 1063*4kB 
[  316.516487]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.520431] (UMEH) 
[  316.524569]  call_timer_fn+0x272/0x920
[  316.528506] 420*8kB (UME) 
[  316.534032]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.538141] 170*16kB (UMEH) 
[  316.543249]  ? process_timeout+0x40/0x40
[  316.547538] 65*32kB 
[  316.551984]  ? kasan_check_read+0x11/0x20
[  316.556106] (UME) 
[  316.560501]  ? do_raw_spin_unlock+0xa7/0x2f0
[  316.565444] 9*64kB 
[  316.571450]  ? trace_hardirqs_on+0x310/0x310
[  316.576869] (UM) 
[  316.581868]  ? __run_timers+0x7da/0xc70
[  316.585198] 0*128kB 0*256kB 
[  316.588640]  ? lock_downgrade+0x900/0x900
[  316.592582] 0*512kB 
[  316.597412]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  316.602218] 1*1024kB (H) 
[  316.607226]  ? trace_hardirqs_on+0xbd/0x310
[  316.612123] 0*2048kB 
[  316.617997]  ? kasan_check_read+0x11/0x20
[  316.623070] 0*4096kB 
[  316.627519]  ? __run_timers+0x7da/0xc70
[  316.631978] = 14012kB
[  316.631993] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  316.636996]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  316.641033] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  316.646025]  ? kasan_check_write+0x14/0x20
[  316.650140] 4986 total pagecache pages
[  316.655295]  ? do_raw_spin_lock+0xc1/0x200
[  316.659236] 0 pages in swap cache
[  316.664235]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.669047] Swap cache stats: add 0, delete 0, find 0/0
[  316.674043]  __run_timers+0x7e5/0xc70
[  316.679546] Free swap  = 0kB
[  316.685070]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  316.689094] Total swap = 0kB
[  316.694091]  ? compat_start_thread+0x80/0x80
[  316.698121] 1965979 pages RAM
[  316.702943]  ? dequeue_entity+0x1770/0x1770
[  316.706803] 0 pages HighMem/MovableOnly
[  316.706810] 342307 pages reserved
[  316.711040]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.714806] 0 pages cma reserved
[  316.717025]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.722021] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.877 msecs
[  316.726920]  ? kasan_check_write+0x14/0x20
[  316.731170] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  316.750016]  ? finish_task_switch+0x2f5/0x900
[  316.750027]  ? __switch_to_asm+0x40/0x70
[  316.750042]  ? preempt_notifier_register+0x200/0x200
[  316.753872] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  316.759165]  ? __switch_to_asm+0x34/0x70
[  316.763367] syz-executor4 cpuset=
[  316.769305]  ? __switch_to_asm+0x40/0x70
[  316.773350] syz4
[  316.780605]  ? __switch_to_asm+0x34/0x70
[  316.785591]  mems_allowed=0
[  316.792855]  ? __switch_to_asm+0x40/0x70
[  318.163108]  ? __switch_to_asm+0x34/0x70
[  318.167156]  ? __switch_to_asm+0x40/0x70
[  318.171216]  ? pvclock_read_flags+0x160/0x160
[  318.175713]  ? __schedule+0x874/0x1ed0
[  318.179593]  ? run_rebalance_domains+0x38d/0x500
[  318.184796]  ? trace_hardirqs_on+0xbd/0x310
[  318.189664]  ? kvm_sched_clock_read+0x9/0x20
[  318.194067]  ? run_ksoftirqd+0x94/0x100
[  318.198036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.203566]  ? check_preemption_disabled+0x48/0x200
[  318.208582]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.214115]  run_timer_softirq+0x52/0xb0
[  318.218172]  ? __this_cpu_preempt_check+0x1c/0x1f
[  318.223005]  __do_softirq+0x30b/0xad8
[  318.226806]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  318.231927]  ? trace_hardirqs_off+0xb8/0x310
[  318.236334]  ? schedule+0x108/0x460
[  318.239958]  ? __schedule+0x1ed0/0x1ed0
[  318.243926]  ? run_ksoftirqd+0x99/0x100
[  318.247895]  ? trace_hardirqs_off+0xb8/0x310
[  318.252296]  ? ___might_sleep+0x1ed/0x300
[  318.256434]  ? smpboot_thread_fn+0x68b/0xa00
[  318.260842]  ? trace_hardirqs_on+0x310/0x310
[  318.265245]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  318.270774]  ? check_preemption_disabled+0x48/0x200
[  318.276320]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.281856]  ? takeover_tasklets+0xa90/0xa90
[  318.286760]  run_ksoftirqd+0x94/0x100
[  318.290554]  smpboot_thread_fn+0x68b/0xa00
[  318.295260]  ? sort_range+0x30/0x30
[  318.298882]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  318.303976]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  318.309503]  ? __kthread_parkme+0xfb/0x1a0
[  318.313730]  kthread+0x35a/0x420
[  318.317086]  ? sort_range+0x30/0x30
[  318.320707]  ? kthread_bind+0x40/0x40
[  318.324502]  ret_from_fork+0x3a/0x50
[  318.328217] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  318.328266] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  318.335481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  318.335485] Call Trace:
[  318.335490]  <IRQ>
[  318.335506]  dump_stack+0x1c4/0x2b4
[  318.335522]  ? dump_stack_print_info.cold.2+0x52/0x52
[  318.342040] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  318.351349]  warn_alloc.cold.119+0xb7/0x1bd
[  318.353902] ksoftirqd/1 cpuset=
[  318.356039]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  318.359645] /
[  318.364828]  ? lock_downgrade+0x900/0x900
[  318.375624]  mems_allowed=0
[  318.379941]  ? trace_hardirqs_off+0xb8/0x310
[  318.401161]  ? trace_hardirqs_off+0xb8/0x310
[  318.405567]  __alloc_pages_slowpath+0x2667/0x2d80
[  318.410416]  ? warn_alloc+0x120/0x120
[  318.414211]  ? trace_hardirqs_on+0x310/0x310
[  318.418613]  ? warn_alloc+0x120/0x120
[  318.422405]  ? warn_alloc+0x120/0x120
[  318.426196]  ? ktime_get+0x2e1/0x440
[  318.429903]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.435435]  ? check_preemption_disabled+0x48/0x200
[  318.440441]  ? kasan_check_read+0x11/0x20
[  318.444578]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  318.450110]  ? should_fail+0x22d/0xd01
[  318.453993]  ? rcu_bh_qs+0xc0/0xc0
[  318.457526]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  318.462622]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  318.468149]  ? should_fail+0x22d/0xd01
[  318.472028]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  318.477121]  ? should_fail+0x22d/0xd01
[  318.481001]  ? rcu_idle_enter+0x4b0/0x4b0
[  318.485139]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  318.490252]  ? mark_held_locks+0x130/0x130
[  318.494482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.500011]  ? mark_held_locks+0x130/0x130
[  318.504238]  ? rcu_irq_exit+0xce/0x100
[  318.508119]  ? irq_exit+0xbd/0x1c0
[  318.511654]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  318.516664]  ? do_raw_spin_unlock+0xa7/0x2f0
[  318.521067]  ? smp_call_function_single_interrupt+0x650/0x650
[  318.526945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.532476]  ? ret_from_intr+0xb/0x1e
[  318.536269]  ? retint_kernel+0x2d/0x2d
[  318.540153]  ? trace_hardirqs_on_caller+0xc0/0x310
[  318.545093]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  318.549855]  ? trace_hardirqs_off+0x310/0x310
[  318.554347]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  318.559469]  __alloc_pages_nodemask+0xa80/0xde0
[  318.564132]  ? should_fail+0x22d/0xd01
[  318.568018]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  318.573038]  ? ____cache_alloc_node+0x1c7/0x1e0
[  318.577843]  ? lock_downgrade+0x900/0x900
[  318.582037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.587575]  cache_grow_begin+0x91/0x8c0
[  318.591627]  ? do_raw_spin_unlock+0xa7/0x2f0
[  318.596031]  fallback_alloc+0x203/0x2e0
[  318.600002]  ____cache_alloc_node+0x1c7/0x1e0
[  318.604495]  kmem_cache_alloc_node+0xe3/0x730
[  318.608982]  ? ipv6_get_ifaddr+0x42e/0x620
[  318.613216]  __alloc_skb+0x119/0x770
[  318.617010]  ? skb_scrub_packet+0x490/0x490
[  318.621320]  ? lock_downgrade+0x900/0x900
[  318.625465]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.630996]  ? refcount_sub_and_test_checked+0x203/0x310
[  318.636440]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  318.641883]  ? addrconf_rs_timer+0x690/0x690
[  318.646288]  ndisc_alloc_skb+0x144/0x340
[  318.650431]  ndisc_send_rs+0x331/0x6e0
[  318.654312]  addrconf_rs_timer+0x314/0x690
[  318.658546]  ? neigh_invalidate+0x550/0x550
[  318.662949]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.667183]  call_timer_fn+0x272/0x920
[  318.671061]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.675290]  ? process_timeout+0x40/0x40
[  318.679347]  ? trace_hardirqs_off+0xb8/0x310
[  318.683760]  ? kasan_check_read+0x11/0x20
[  318.687906]  ? do_raw_spin_unlock+0xa7/0x2f0
[  318.692305]  ? trace_hardirqs_on+0x310/0x310
[  318.696708]  ? __run_timers+0x7da/0xc70
[  318.700696]  ? lock_downgrade+0x900/0x900
[  318.704840]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  318.709932]  ? trace_hardirqs_on+0xbd/0x310
[  318.714245]  ? kasan_check_read+0x11/0x20
[  318.718384]  ? __run_timers+0x7da/0xc70
[  318.722352]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  318.727797]  ? kasan_check_write+0x14/0x20
[  318.732027]  ? do_raw_spin_lock+0xc1/0x200
[  318.736257]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.740484]  __run_timers+0x7e5/0xc70
[  318.744282]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  318.749638]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  318.754647]  ? timerqueue_add+0x207/0x2b0
[  318.758792]  ? enqueue_hrtimer+0x1a5/0x560
[  318.763021]  ? lock_release+0x970/0x970
[  318.766988]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  318.772172]  ? kasan_check_write+0x14/0x20
[  318.776403]  ? pvclock_read_flags+0x160/0x160
[  318.780891]  ? lock_downgrade+0x900/0x900
[  318.785035]  ? trace_hardirqs_on+0xbd/0x310
[  318.789346]  ? kvm_sched_clock_read+0x9/0x20
[  318.793745]  ? irq_exit+0x17f/0x1c0
[  318.797369]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.802898]  ? check_preemption_disabled+0x48/0x200
[  318.807904]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.813437]  run_timer_softirq+0x52/0xb0
[  318.817487]  ? __this_cpu_preempt_check+0x1c/0x1f
[  318.822323]  __do_softirq+0x30b/0xad8
[  318.826136]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  318.831226]  ? pvclock_read_flags+0x160/0x160
[  318.835731]  ? lapic_next_event+0x5a/0x90
[  318.839897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.845427]  ? clockevents_program_event+0x140/0x370
[  318.850536]  ? kvm_clock_read+0x18/0x30
[  318.854501]  ? kvm_sched_clock_read+0x9/0x20
[  318.858899]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.864432]  ? check_preemption_disabled+0x48/0x200
[  318.869444]  irq_exit+0x17f/0x1c0
[  318.872889]  smp_apic_timer_interrupt+0x1cb/0x760
[  318.877721]  ? smp_reschedule_interrupt+0x109/0x650
[  318.882731]  ? smp_call_function_single_interrupt+0x650/0x650
[  318.888604]  ? interrupt_entry+0xb5/0xf0
[  318.892655]  ? trace_hardirqs_off_caller+0xbb/0x310
[  318.897661]  ? trace_hardirqs_off_caller+0xbb/0x310
[  318.902670]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  318.907504]  ? trace_hardirqs_on_caller+0x310/0x310
[  318.912511]  ? trace_hardirqs_on_caller+0x310/0x310
[  318.917518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.923045]  ? check_preemption_disabled+0x48/0x200
[  318.928056]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  318.932904]  apic_timer_interrupt+0xf/0x20
[  318.937128]  </IRQ>
[  318.939359] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  318.944280] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  318.963170] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  318.970871] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  318.978131] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  318.985401] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  318.992662] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  318.999933] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  319.007205]  ? trace_hardirqs_on+0xb4/0x310
[  319.011526]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.017058]  skb_clone+0x1bb/0x500
[  319.020588]  ? finish_task_switch+0x2f5/0x900
[  319.025072]  ? skb_split+0x11e0/0x11e0
[  319.028951]  ? preempt_notifier_register+0x200/0x200
[  319.034045]  ? __switch_to_asm+0x34/0x70
[  319.038096]  ? __switch_to_asm+0x34/0x70
[  319.042144]  ? __switch_to_asm+0x40/0x70
[  319.046194]  ? __switch_to_asm+0x34/0x70
[  319.050387]  ? __switch_to_asm+0x40/0x70
[  319.054460]  ? __switch_to_asm+0x34/0x70
[  319.058510]  ? __switch_to_asm+0x40/0x70
[  319.062673]  ? __switch_to_asm+0x34/0x70
[  319.066724]  ? __switch_to_asm+0x34/0x70
[  319.070787]  ? __switch_to_asm+0x40/0x70
[  319.074840]  ? __switch_to_asm+0x34/0x70
[  319.078899]  bpf_clone_redirect+0xb9/0x490
[  319.083129]  ? __schedule+0x874/0x1ed0
[  319.087012]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  319.091935]  ? __sched_text_start+0x8/0x8
[  319.096076]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  319.100842]  ? retint_kernel+0x2d/0x2d
[  319.105145]  ? lock_acquire+0x1ed/0x520
[  319.109104]  ? bpf_test_run+0x32e/0x5a0
[  319.113098]  ? lock_release+0x970/0x970
[  319.117061]  ? preempt_schedule+0x4d/0x60
[  319.121204]  ? preempt_schedule_common+0x1f/0xd0
[  319.125949]  ? preempt_schedule+0x4d/0x60
[  319.130089]  ? ___preempt_schedule+0x16/0x18
[  319.134492]  ? bpf_test_run+0x1c0/0x5a0
[  319.138463]  ? netlink_diag_dump+0x2a0/0x2a0
[  319.142866]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  319.148393]  ? bpf_test_init.isra.9+0x70/0x100
[  319.152967]  ? bpf_prog_test_run_skb+0x634/0xb40
[  319.157719]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  319.162563]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  319.168088]  ? fput+0x130/0x1a0
[  319.171358]  ? __bpf_prog_get+0x9b/0x290
[  319.175423]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  319.180258]  ? bpf_prog_test_run+0x130/0x1a0
[  319.184661]  ? __x64_sys_bpf+0x3d8/0x510
[  319.188711]  ? bpf_prog_get+0x20/0x20
[  319.192519]  ? do_syscall_64+0x1b9/0x820
[  319.196572]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  319.201932]  ? syscall_return_slowpath+0x5e0/0x5e0
[  319.206855]  ? trace_hardirqs_on_caller+0x310/0x310
[  319.211866]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  319.216876]  ? recalc_sigpending_tsk+0x180/0x180
[  319.221622]  ? kasan_check_write+0x14/0x20
[  319.225852]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  319.230691]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  319.236049] warn_alloc_show_mem: 1 callbacks suppressed
[  319.236058] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  319.236059] Mem-Info:
[  319.236086] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  319.236086]  active_file:16 inactive_file:17 isolated_file:0
[  319.236086]  unevictable:0 dirty:0 writeback:0 unstable:0
[  319.236086]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  319.236086]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  319.236086]  free:13792 free_pcp:309 free_cma:0
[  319.241431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  319.248263] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  319.250652] Call Trace:
[  319.283691] Node 0 
[  319.293034]  dump_stack+0x1c4/0x2b4
[  319.320874] 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
[  319.323431]  ? dump_stack_print_info.cold.2+0x52/0x52
[  319.325636] lowmem_reserve[]:
[  319.329703]  ? isolate_lru_page+0x22e0/0x22e0
[  319.355196]  0
[  319.360379]  warn_alloc.cold.119+0xb7/0x1bd
[  319.363450]  2819
[  319.367944]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  319.369713]  6323
[  319.374029]  ? lock_downgrade+0x900/0x900
[  319.376068]  6323
[  319.380907]  ? trace_hardirqs_off+0xb8/0x310
[  319.389245]  ? trace_hardirqs_off+0xb8/0x310
[  319.391278] Node 0 
[  319.395677]  __alloc_pages_slowpath+0x2667/0x2d80
[  319.400076] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  319.402298]  ? mark_held_locks+0x130/0x130
[  319.407104] lowmem_reserve[]:
[  319.434254]  ? warn_alloc+0x120/0x120
[  319.438456]  0
[  319.441547]  ? warn_alloc+0x120/0x120
[  319.445321]  0 3503
[  319.448116]  ? warn_alloc+0x120/0x120
[  319.451889]  3503
[  319.454111]  ? mark_held_locks+0x130/0x130
[  319.460787]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.464990] Node 0 
[  319.470509]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  319.470541] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  319.473254]  ? should_fail+0x22d/0xd01
[  319.478758] lowmem_reserve[]:
[  319.507139]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  319.510993]  0
[  319.514097]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  319.519164]  0
[  319.520956]  ? should_fail+0x22d/0xd01
[  319.526470]  0
[  319.528264]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  319.532119]  0
[  319.533909]  ? should_fail+0x22d/0xd01
[  319.538998] Node 0 
[  319.540788]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  319.544642] DMA: 
[  319.546871]  ? mark_held_locks+0x130/0x130
[  319.551944] 1*4kB 
[  319.553992]  ? mark_held_locks+0x130/0x130
[  319.558194] (U) 
[  319.560333]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.564535] 0*8kB 
[  319.566497]  ? trace_hardirqs_off+0xb8/0x310
[  319.572007] 0*16kB 1*32kB 
[  319.574364]  ? kasan_check_read+0x11/0x20
[  319.578745] (U) 
[  319.582019]  ? do_raw_spin_unlock+0xa7/0x2f0
[  319.586135] 2*64kB 
[  319.588096]  ? trace_hardirqs_on+0x310/0x310
[  319.592472] (U) 
[  319.594694]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.599074] 1*128kB 
[  319.601035]  ? wq_watchdog_touch+0x9c/0xfe
[  319.606533] (U) 1*256kB 
[  319.608848]  ? io_serial_in+0x11/0x90
[  319.613057] (U) 
[  319.615722]  ? retint_kernel+0x2d/0x2d
[  319.619496] 0*512kB 
[  319.621587]  ? trace_hardirqs_on_caller+0xc0/0x310
[  319.625439] 1*1024kB (U) 
[  319.627757]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  319.632652] 1*2048kB 
[  319.635880]  ? trace_hardirqs_off+0x310/0x310
[  319.640604] (M) 
[  319.643001]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  319.647465] 3*4096kB 
[  319.649434]  __alloc_pages_nodemask+0xa80/0xde0
[  319.654517] (M) = 15908kB
[  319.656923]  ? should_fail+0x22d/0xd01
[  319.661557] Node 0 
[  319.664304]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  319.668161] DMA32: 
[  319.670410]  ? ____cache_alloc_node+0x1c7/0x1e0
[  319.675387] 6*4kB 
[  319.677607]  ? lock_downgrade+0x900/0x900
[  319.682246] (UME) 
[  319.684385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.688515] 2*8kB 
[  319.690664]  cache_grow_begin+0x91/0x8c0
[  319.696184] (UE) 
[  319.698324]  ? do_raw_spin_unlock+0xa7/0x2f0
[  319.702348] 4*16kB (UME) 
[  319.704408]  fallback_alloc+0x203/0x2e0
[  319.708791] 4*32kB (UME) 
[  319.711541]  ____cache_alloc_node+0x1c7/0x1e0
[  319.715486] 5*64kB 
[  319.718493]  kmem_cache_alloc_node+0xe3/0x730
[  319.722960] (ME) 
[  319.725186]  ? ipv6_get_ifaddr+0x42e/0x620
[  319.729642] 5*128kB (UME) 
[  319.731710]  __alloc_skb+0x119/0x770
[  319.735910] 4*256kB 
[  319.738740]  ? skb_scrub_packet+0x490/0x490
[  319.742418] (ME) 5*512kB 
[  319.744732]  ? lock_downgrade+0x900/0x900
[  319.744749]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.749037] (UME) 
[  319.751780]  ? refcount_sub_and_test_checked+0x203/0x310
[  319.755891] 4*1024kB (UME) 
[  319.761430]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  319.763552] 2*2048kB 
[  319.768992]  ? addrconf_rs_timer+0x690/0x690
[  319.771888] (ME) 
[  319.777325]  ndisc_alloc_skb+0x144/0x340
[  319.779710] 3*4096kB 
[  319.784105]  ndisc_send_rs+0x331/0x6e0
[  319.786134] (M) 
[  319.790948]  addrconf_rs_timer+0x314/0x690
[  319.793340] = 25256kB
[  319.793347] Node 0 
[  319.797230]  ? lock_release+0x970/0x970
[  319.797246]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  319.799195] Normal: 
[  319.803423]  call_timer_fn+0x272/0x920
[  319.805798] 1063*4kB 
[  319.808022]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  319.811965] (UMEH) 
[  319.816186]  ? process_timeout+0x40/0x40
[  319.818477] 420*8kB 
[  319.822347]  ? kasan_check_read+0x11/0x20
[  319.824728] (UME) 
[  319.828944]  ? do_raw_spin_unlock+0xa7/0x2f0
[  319.831151] 170*16kB 
[  319.835195]  ? trace_hardirqs_on+0x310/0x310
[  319.837485] (UMEH) 
[  319.841619]  ? __run_timers+0x7da/0xc70
[  319.843738] 65*32kB 
[  319.848130]  ? lock_downgrade+0x900/0x900
[  319.850508] (UME) 
[  319.855395]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  319.857615] 9*64kB 
[  319.862543]  ? trace_hardirqs_on+0xbd/0x310
[  319.864835] (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB
[  319.864863] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  319.864869] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  319.864872] 4986 total pagecache pages
[  319.864876] 0 pages in swap cache
[  319.864881] Swap cache stats: add 0, delete 0, find 0/0
[  319.864883] Free swap  = 0kB
[  319.864886] Total swap = 0kB
[  319.864889] 1965979 pages RAM
[  319.864892] 0 pages HighMem/MovableOnly
[  319.864894] 342307 pages reserved
[  319.864896] 0 pages cma reserved
[  319.864955] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  319.864991] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  319.864995] syz-executor4 cpuset=syz4 mems_allowed=0
[  319.964550]  ? kasan_check_read+0x11/0x20
[  319.968703]  ? __run_timers+0x7da/0xc70
[  319.972689]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  319.978132]  ? kasan_check_write+0x14/0x20
[  319.982357]  ? do_raw_spin_lock+0xc1/0x200
[  319.986589]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  319.990817]  __run_timers+0x7e5/0xc70
[  319.994615]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  319.999969]  ? compat_start_thread+0x80/0x80
[  320.004364]  ? dequeue_entity+0x1770/0x1770
[  320.008684]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.014222]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.019760]  ? kasan_check_write+0x14/0x20
[  320.024501]  ? finish_task_switch+0x2f5/0x900
[  320.029940]  ? __switch_to_asm+0x40/0x70
[  320.034885]  ? preempt_notifier_register+0x200/0x200
[  320.039982]  ? __switch_to_asm+0x34/0x70
[  320.044030]  ? __switch_to_asm+0x40/0x70
[  320.048080]  ? __switch_to_asm+0x34/0x70
[  320.052129]  ? __switch_to_asm+0x40/0x70
[  320.056201]  ? __switch_to_asm+0x34/0x70
[  320.060252]  ? __switch_to_asm+0x40/0x70
[  320.064312]  ? pvclock_read_flags+0x160/0x160
[  320.068799]  ? __schedule+0x874/0x1ed0
[  320.072682]  ? run_rebalance_domains+0x38d/0x500
[  320.077435]  ? trace_hardirqs_on+0xbd/0x310
[  320.081747]  ? kvm_sched_clock_read+0x9/0x20
[  320.086590]  ? run_ksoftirqd+0x94/0x100
[  320.090559]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.096088]  ? check_preemption_disabled+0x48/0x200
[  320.101093]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.107236]  run_timer_softirq+0x52/0xb0
[  320.111296]  ? __this_cpu_preempt_check+0x1c/0x1f
[  320.116133]  __do_softirq+0x30b/0xad8
[  320.119929]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  320.125023]  ? trace_hardirqs_off+0xb8/0x310
[  320.129891]  ? schedule+0x108/0x460
[  320.133511]  ? __schedule+0x1ed0/0x1ed0
[  320.137479]  ? run_ksoftirqd+0x99/0x100
[  320.141449]  ? trace_hardirqs_off+0xb8/0x310
[  320.145852]  ? ___might_sleep+0x1ed/0x300
[  320.149990]  ? smpboot_thread_fn+0x68b/0xa00
[  320.154388]  ? trace_hardirqs_on+0x310/0x310
[  320.161240]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.167783]  ? check_preemption_disabled+0x48/0x200
[  320.172793]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.178322]  ? takeover_tasklets+0xa90/0xa90
[  320.182723]  run_ksoftirqd+0x94/0x100
[  320.186511]  smpboot_thread_fn+0x68b/0xa00
[  320.190741]  ? sort_range+0x30/0x30
[  320.194361]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  320.199467]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.204996]  ? __kthread_parkme+0xfb/0x1a0
[  320.209224]  kthread+0x35a/0x420
[  320.212580]  ? sort_range+0x30/0x30
[  320.216200]  ? kthread_bind+0x40/0x40
[  320.219993]  ret_from_fork+0x3a/0x50
[  320.223711] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  320.223766] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  320.230978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  320.230981] Call Trace:
[  320.230986]  <IRQ>
[  320.231001]  dump_stack+0x1c4/0x2b4
[  320.231017]  ? dump_stack_print_info.cold.2+0x52/0x52
[  320.237516] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  320.246826]  warn_alloc.cold.119+0xb7/0x1bd
[  320.249376] ksoftirqd/1 cpuset=
[  320.251513]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  320.255109] /
[  320.260373]  ? lock_downgrade+0x900/0x900
[  320.271531]  mems_allowed=0
[  320.276474]  ? trace_hardirqs_off+0xb8/0x310
[  320.297676]  ? trace_hardirqs_off+0xb8/0x310
[  320.302083]  __alloc_pages_slowpath+0x2667/0x2d80
[  320.306933]  ? warn_alloc+0x120/0x120
[  320.310726]  ? warn_alloc+0x120/0x120
[  320.314534]  ? warn_alloc+0x120/0x120
[  320.318328]  ? lock_release+0x970/0x970
[  320.322293]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  320.327471]  ? trace_hardirqs_on+0x310/0x310
[  320.331873]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.337403]  ? should_fail+0x22d/0xd01
[  320.341282]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  320.346375]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.351903]  ? should_fail+0x22d/0xd01
[  320.355782]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  320.360873]  ? should_fail+0x22d/0xd01
[  320.364759]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  320.369853]  ? mark_held_locks+0x130/0x130
[  320.374082]  ? mark_held_locks+0x130/0x130
[  320.378309]  ? kvm_clock_read+0x18/0x30
[  320.382289]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  320.387450]  ? ktime_get+0x2e1/0x440
[  320.391153]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.396690]  ? check_preemption_disabled+0x48/0x200
[  320.401700]  ? kasan_check_read+0x11/0x20
[  320.405842]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  320.411108]  ? rcu_bh_qs+0xc0/0xc0
[  320.414648]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.420181]  ? check_preemption_disabled+0x48/0x200
[  320.425186]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  320.430191]  ? widen_string+0xe0/0x2e0
[  320.434076]  __alloc_pages_nodemask+0xa80/0xde0
[  320.438740]  ? should_fail+0x22d/0xd01
[  320.442622]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  320.448938]  ? ____cache_alloc_node+0x1c7/0x1e0
[  320.453597]  ? lock_downgrade+0x900/0x900
[  320.457740]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.463270]  cache_grow_begin+0x91/0x8c0
[  320.470067]  ? do_raw_spin_unlock+0xa7/0x2f0
[  320.474497]  fallback_alloc+0x203/0x2e0
[  320.478470]  ____cache_alloc_node+0x1c7/0x1e0
[  320.482958]  kmem_cache_alloc_node+0xe3/0x730
[  320.487446]  ? ipv6_get_ifaddr+0x42e/0x620
[  320.491678]  __alloc_skb+0x119/0x770
[  320.495384]  ? skb_scrub_packet+0x490/0x490
[  320.499697]  ? lock_downgrade+0x900/0x900
[  320.503839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.509365]  ? refcount_sub_and_test_checked+0x203/0x310
[  320.514816]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  320.520257]  ? addrconf_rs_timer+0x690/0x690
[  320.524671]  ndisc_alloc_skb+0x144/0x340
[  320.528730]  ndisc_send_rs+0x331/0x6e0
[  320.532962]  addrconf_rs_timer+0x314/0x690
[  320.537190]  ? neigh_invalidate+0x550/0x550
[  320.541504]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  320.545749]  call_timer_fn+0x272/0x920
[  320.549636]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  320.553867]  ? process_timeout+0x40/0x40
[  320.557920]  ? trace_hardirqs_off+0xb8/0x310
[  320.562318]  ? kasan_check_read+0x11/0x20
[  320.566478]  ? do_raw_spin_unlock+0xa7/0x2f0
[  320.570874]  ? trace_hardirqs_on+0x310/0x310
[  320.575279]  ? __run_timers+0x7da/0xc70
[  320.579245]  ? lock_downgrade+0x900/0x900
[  320.583385]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  320.588478]  ? trace_hardirqs_on+0xbd/0x310
[  320.592786]  ? kasan_check_read+0x11/0x20
[  320.596925]  ? __run_timers+0x7da/0xc70
[  320.600890]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  320.606329]  ? kasan_check_write+0x14/0x20
[  320.610555]  ? do_raw_spin_lock+0xc1/0x200
[  320.614783]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  320.619014]  __run_timers+0x7e5/0xc70
[  320.622815]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  320.628174]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  320.633182]  ? timerqueue_add+0x207/0x2b0
[  320.637326]  ? enqueue_hrtimer+0x1a5/0x560
[  320.641551]  ? lock_release+0x970/0x970
[  320.645518]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  320.650704]  ? kasan_check_write+0x14/0x20
[  320.654935]  ? pvclock_read_flags+0x160/0x160
[  320.659424]  ? lock_downgrade+0x900/0x900
[  320.663568]  ? trace_hardirqs_on+0xbd/0x310
[  320.667881]  ? kvm_sched_clock_read+0x9/0x20
[  320.672279]  ? irq_exit+0x17f/0x1c0
[  320.675898]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.681434]  ? check_preemption_disabled+0x48/0x200
[  320.686451]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.691988]  run_timer_softirq+0x52/0xb0
[  320.696042]  ? __this_cpu_preempt_check+0x1c/0x1f
[  320.700875]  __do_softirq+0x30b/0xad8
[  320.704679]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  320.709775]  ? pvclock_read_flags+0x160/0x160
[  320.714264]  ? lapic_next_event+0x5a/0x90
[  320.718406]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.723950]  ? clockevents_program_event+0x140/0x370
[  320.729049]  ? kvm_clock_read+0x18/0x30
[  320.733015]  ? kvm_sched_clock_read+0x9/0x20
[  320.737413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.742943]  ? check_preemption_disabled+0x48/0x200
[  320.747965]  irq_exit+0x17f/0x1c0
[  320.751410]  smp_apic_timer_interrupt+0x1cb/0x760
[  320.756243]  ? smp_reschedule_interrupt+0x109/0x650
[  320.761254]  ? smp_call_function_single_interrupt+0x650/0x650
[  320.767131]  ? interrupt_entry+0xb5/0xf0
[  320.771185]  ? trace_hardirqs_off_caller+0xbb/0x310
[  320.776193]  ? trace_hardirqs_off_caller+0xbb/0x310
[  320.781203]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  320.786038]  ? trace_hardirqs_on_caller+0x310/0x310
[  320.791045]  ? trace_hardirqs_on_caller+0x310/0x310
[  320.796051]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.801585]  ? check_preemption_disabled+0x48/0x200
[  320.806613]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  320.811457]  apic_timer_interrupt+0xf/0x20
[  320.815674]  </IRQ>
[  320.817912] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  320.822844] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  320.841759] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  320.849465] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  320.856725] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  320.863986] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  320.871247] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  320.878508] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  320.885783]  ? trace_hardirqs_on+0xb4/0x310
[  320.890105]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.895646]  skb_clone+0x1bb/0x500
[  320.899196]  ? finish_task_switch+0x2f5/0x900
[  320.903696]  ? skb_split+0x11e0/0x11e0
[  320.907575]  ? preempt_notifier_register+0x200/0x200
[  320.912691]  ? __switch_to_asm+0x34/0x70
[  320.916759]  ? __switch_to_asm+0x34/0x70
[  320.920813]  ? __switch_to_asm+0x40/0x70
[  320.924882]  ? __switch_to_asm+0x34/0x70
[  320.928936]  ? __switch_to_asm+0x40/0x70
[  320.932987]  ? __switch_to_asm+0x34/0x70
[  320.937042]  ? __switch_to_asm+0x40/0x70
[  320.941092]  ? __switch_to_asm+0x34/0x70
[  320.945147]  ? __switch_to_asm+0x34/0x70
[  320.949201]  ? __switch_to_asm+0x40/0x70
[  320.953254]  ? __switch_to_asm+0x34/0x70
[  320.957320]  bpf_clone_redirect+0xb9/0x490
[  320.961553]  ? __schedule+0x874/0x1ed0
[  320.965437]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  320.970361]  ? __sched_text_start+0x8/0x8
[  320.974504]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  320.979260]  ? retint_kernel+0x2d/0x2d
[  320.983146]  ? lock_acquire+0x1ed/0x520
[  320.987208]  ? bpf_test_run+0x32e/0x5a0
[  320.991176]  ? lock_release+0x970/0x970
[  320.995142]  ? preempt_schedule+0x4d/0x60
[  320.999284]  ? preempt_schedule_common+0x1f/0xd0
[  321.004117]  ? preempt_schedule+0x4d/0x60
[  321.008260]  ? ___preempt_schedule+0x16/0x18
[  321.012669]  ? bpf_test_run+0x1c0/0x5a0
[  321.016647]  ? netlink_diag_dump+0x2a0/0x2a0
[  321.021062]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  321.026619]  ? bpf_test_init.isra.9+0x70/0x100
[  321.031197]  ? bpf_prog_test_run_skb+0x634/0xb40
[  321.035947]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  321.040783]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  321.046312]  ? fput+0x130/0x1a0
[  321.049595]  ? __bpf_prog_get+0x9b/0x290
[  321.053664]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  321.058501]  ? bpf_prog_test_run+0x130/0x1a0
[  321.062992]  ? __x64_sys_bpf+0x3d8/0x510
[  321.067042]  ? bpf_prog_get+0x20/0x20
[  321.070844]  ? do_syscall_64+0x1b9/0x820
[  321.074899]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  321.080253]  ? syscall_return_slowpath+0x5e0/0x5e0
[  321.085170]  ? trace_hardirqs_on_caller+0x310/0x310
[  321.090181]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  321.095192]  ? recalc_sigpending_tsk+0x180/0x180
[  321.099942]  ? kasan_check_write+0x14/0x20
[  321.104171]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  321.109115]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  321.114478] warn_alloc_show_mem: 1 callbacks suppressed
[  321.114487] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  321.114488] Mem-Info:
[  321.114516] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  321.114516]  active_file:16 inactive_file:17 isolated_file:0
[  321.114516]  unevictable:0 dirty:0 writeback:0 unstable:0
[  321.114516]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  321.114516]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  321.114516]  free:13792 free_pcp:309 free_cma:0
[  321.120336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  321.127189] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  321.129582] Call Trace:
[  321.162616] Node 0 
[  321.171969]  dump_stack+0x1c4/0x2b4
[  321.199805] 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
[  321.202360]  ? dump_stack_print_info.cold.2+0x52/0x52
[  321.204566] lowmem_reserve[]:
[  321.208190]  ? isolate_lru_page+0x22e0/0x22e0
[  321.234074]  0 2819
[  321.239264]  warn_alloc.cold.119+0xb7/0x1bd
[  321.242328]  6323 6323
[  321.246816]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  321.253336]  ? lock_downgrade+0x900/0x900
[  321.255807] Node 0 
[  321.260641]  ? trace_hardirqs_off+0xb8/0x310
[  321.264778] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  321.266983]  ? trace_hardirqs_off+0xb8/0x310
[  321.271362] lowmem_reserve[]:
[  321.298344]  __alloc_pages_slowpath+0x2667/0x2d80
[  321.302719]  0
[  321.305820]  ? mark_held_locks+0x130/0x130
[  321.310626]  0
[  321.312415]  ? warn_alloc+0x120/0x120
[  321.316617]  3503
[  321.318405]  ? warn_alloc+0x120/0x120
[  321.322175]  3503
[  321.324223]  ? warn_alloc+0x120/0x120
[  321.327992] Node 0 
[  321.330040]  ? mark_held_locks+0x130/0x130
[  321.333833] Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  321.336037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.340233] lowmem_reserve[]: 0
[  321.370381]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  321.375895]  0
[  321.379157]  ? should_fail+0x22d/0xd01
[  321.384659]  0
[  321.386451]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  321.390298]  0
[  321.392092]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  321.392106]  ? should_fail+0x22d/0xd01
[  321.397179] Node 0 
[  321.398967]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  321.404468] DMA: 1*4kB 
[  321.408349]  ? should_fail+0x22d/0xd01
[  321.410562] (U) 
[  321.416141]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  321.418718] 0*8kB 
[  321.422595]  ? mark_held_locks+0x130/0x130
[  321.424708] 0*16kB 1*32kB 
[  321.430298]  ? mark_held_locks+0x130/0x130
[  321.432421] (U) 
[  321.437084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.439893] 2*64kB 
[  321.444115]  ? trace_hardirqs_off+0xb8/0x310
[  321.446062] (U) 
[  321.453104]  ? kasan_check_read+0x11/0x20
[  321.455305] 1*128kB 
[  321.459700]  ? do_raw_spin_unlock+0xa7/0x2f0
[  321.461646] (U) 
[  321.466053]  ? trace_hardirqs_on+0x310/0x310
[  321.468348] 1*256kB 
[  321.472739]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.474682] (U) 
[  321.479080]  ? wq_watchdog_touch+0x9c/0xfe
[  321.481373] 0*512kB 
[  321.487860]  ? io_serial_in+0x11/0x90
[  321.489803] 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  321.489820] Node 0 DMA32: 6*4kB (UME) 2*8kB (UE) 4*16kB (UME) 4*32kB (UME) 5*64kB (ME) 5*128kB (UME) 4*256kB (ME) 5*512kB (UME) 4*1024kB (UME) 2*2048kB (ME) 3*4096kB (M) = 25256kB
[  321.489880] Node 0 Normal: 1063*4kB (UMEH) 420*8kB (UME) 170*16kB (UMEH) 65*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB
[  321.489931] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  321.489937] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  321.489940] 4986 total pagecache pages
[  321.489945] 0 pages in swap cache
[  321.489953] Swap cache stats: add 0, delete 0, find 0/0
[  321.489955] Free swap  = 0kB
[  321.489958] Total swap = 0kB
[  321.489961] 1965979 pages RAM
[  321.489964] 0 pages HighMem/MovableOnly
[  321.489966] 342307 pages reserved
[  321.489969] 0 pages cma reserved
[  321.490009] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  321.490061] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  321.490068] syz-executor4 cpuset=
[  321.494297]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.496591] syz4
[  321.500384]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  321.506232]  mems_allowed=0
[  321.624117]  __alloc_pages_nodemask+0xa80/0xde0
[  321.628779]  ? should_fail+0x22d/0xd01
[  321.632661]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  321.637682]  ? ____cache_alloc_node+0x1c7/0x1e0
[  321.642348]  ? lock_downgrade+0x900/0x900
[  321.646492]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.652024]  cache_grow_begin+0x91/0x8c0
[  321.656080]  ? do_raw_spin_unlock+0xa7/0x2f0
[  321.660483]  fallback_alloc+0x203/0x2e0
[  321.664449]  ____cache_alloc_node+0x1c7/0x1e0
[  321.669408]  kmem_cache_alloc_node+0xe3/0x730
[  321.673907]  ? ipv6_get_ifaddr+0x42e/0x620
[  321.678139]  __alloc_skb+0x119/0x770
[  321.681941]  ? skb_scrub_packet+0x490/0x490
[  321.686662]  ? lock_downgrade+0x900/0x900
[  321.690807]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.696339]  ? refcount_sub_and_test_checked+0x203/0x310
[  321.701782]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  321.707710]  ? addrconf_rs_timer+0x690/0x690
[  321.712119]  ndisc_alloc_skb+0x144/0x340
[  321.716171]  ndisc_send_rs+0x331/0x6e0
[  321.720056]  addrconf_rs_timer+0x314/0x690
[  321.724278]  ? lock_release+0x970/0x970
[  321.728261]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  321.734102]  call_timer_fn+0x272/0x920
[  321.741095]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  321.745835]  ? process_timeout+0x40/0x40
[  321.749893]  ? kasan_check_read+0x11/0x20
[  321.754032]  ? do_raw_spin_unlock+0xa7/0x2f0
[  321.758476]  ? trace_hardirqs_on+0x310/0x310
[  321.762904]  ? __run_timers+0x7da/0xc70
[  321.767070]  ? lock_downgrade+0x900/0x900
[  321.771212]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  321.776310]  ? trace_hardirqs_on+0xbd/0x310
[  321.780631]  ? kasan_check_read+0x11/0x20
[  321.785119]  ? __run_timers+0x7da/0xc70
[  321.789085]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  321.794532]  ? kasan_check_write+0x14/0x20
[  321.798761]  ? do_raw_spin_lock+0xc1/0x200
[  321.802991]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  321.807228]  __run_timers+0x7e5/0xc70
[  321.811026]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  321.816384]  ? compat_start_thread+0x80/0x80
[  321.820784]  ? dequeue_entity+0x1770/0x1770
[  321.825097]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.830624]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.836156]  ? kasan_check_write+0x14/0x20
[  321.840384]  ? finish_task_switch+0x2f5/0x900
[  321.844869]  ? __switch_to_asm+0x40/0x70
[  321.848922]  ? preempt_notifier_register+0x200/0x200
[  321.854039]  ? __switch_to_asm+0x34/0x70
[  321.858092]  ? __switch_to_asm+0x40/0x70
[  321.862145]  ? __switch_to_asm+0x34/0x70
[  321.866200]  ? __switch_to_asm+0x40/0x70
[  321.870255]  ? __switch_to_asm+0x34/0x70
[  321.874313]  ? __switch_to_asm+0x40/0x70
[  321.878380]  ? pvclock_read_flags+0x160/0x160
[  321.882871]  ? __schedule+0x874/0x1ed0
[  321.886750]  ? run_rebalance_domains+0x38d/0x500
[  321.891502]  ? trace_hardirqs_on+0xbd/0x310
[  321.895819]  ? kvm_sched_clock_read+0x9/0x20
[  321.901437]  ? run_ksoftirqd+0x94/0x100
[  321.906157]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.911686]  ? check_preemption_disabled+0x48/0x200
[  321.917812]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.923346]  run_timer_softirq+0x52/0xb0
[  321.927398]  ? __this_cpu_preempt_check+0x1c/0x1f
[  321.932235]  __do_softirq+0x30b/0xad8
[  321.936138]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  321.941235]  ? trace_hardirqs_off+0xb8/0x310
[  321.945639]  ? schedule+0x108/0x460
[  321.949263]  ? __schedule+0x1ed0/0x1ed0
[  321.953227]  ? run_ksoftirqd+0x99/0x100
[  321.957278]  ? trace_hardirqs_off+0xb8/0x310
[  321.961682]  ? ___might_sleep+0x1ed/0x300
[  321.965821]  ? smpboot_thread_fn+0x68b/0xa00
[  321.970371]  ? trace_hardirqs_on+0x310/0x310
[  321.974779]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  321.980311]  ? check_preemption_disabled+0x48/0x200
[  321.985569]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.991100]  ? takeover_tasklets+0xa90/0xa90
[  321.995498]  run_ksoftirqd+0x94/0x100
[  321.999817]  smpboot_thread_fn+0x68b/0xa00
[  322.004049]  ? sort_range+0x30/0x30
[  322.007675]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  322.012770]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  322.018378]  ? __kthread_parkme+0xfb/0x1a0
[  322.022604]  kthread+0x35a/0x420
[  322.025961]  ? sort_range+0x30/0x30
[  322.029578]  ? kthread_bind+0x40/0x40
[  322.033370]  ret_from_fork+0x3a/0x50
[  322.037083] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  322.037131] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  322.044360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  322.044364] Call Trace:
[  322.044368]  <IRQ>
[  322.044384]  dump_stack+0x1c4/0x2b4
[  322.044401]  ? dump_stack_print_info.cold.2+0x52/0x52
[  322.050922] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  322.060213]  warn_alloc.cold.119+0xb7/0x1bd
[  322.062769] ksoftirqd/1 cpuset=
[  322.064904]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  322.068503] /
[  322.073683]  ? lock_downgrade+0x900/0x900
[  322.083965]  mems_allowed=0
[  322.088269]  ? trace_hardirqs_off+0xb8/0x310
[  322.109930]  ? trace_hardirqs_off+0xb8/0x310
[  322.114338]  __alloc_pages_slowpath+0x2667/0x2d80
[  322.119216]  ? warn_alloc+0x120/0x120
[  322.123010]  ? warn_alloc+0x120/0x120
[  322.126803]  ? warn_alloc+0x120/0x120
[  322.130709]  ? lock_release+0x970/0x970
[  322.134674]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  322.139855]  ? trace_hardirqs_on+0x310/0x310
[  322.144252]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  322.149779]  ? should_fail+0x22d/0xd01
[  322.153661]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  322.158754]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  322.164279]  ? should_fail+0x22d/0xd01
[  322.168158]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  322.173248]  ? should_fail+0x22d/0xd01
[  322.177132]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  322.182227]  ? mark_held_locks+0x130/0x130
[  322.186455]  ? mark_held_locks+0x130/0x130
[  322.190678]  ? kvm_clock_read+0x18/0x30
[  322.194658]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  322.199676]  ? mark_held_locks+0x130/0x130
[  322.203903]  ? kasan_check_read+0x11/0x20
[  322.208047]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  322.213317]  ? rcu_bh_qs+0xc0/0xc0
[  322.216847]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.222373]  ? check_preemption_disabled+0x48/0x200
[  322.227378]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  322.232383]  ? widen_string+0xe0/0x2e0
[  322.236263]  __alloc_pages_nodemask+0xa80/0xde0
[  322.240921]  ? should_fail+0x22d/0xd01
[  322.244802]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  322.249821]  ? ____cache_alloc_node+0x1c7/0x1e0
[  322.254488]  ? lock_downgrade+0x900/0x900
[  322.258630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.264159]  cache_grow_begin+0x91/0x8c0
[  322.268212]  ? do_raw_spin_unlock+0xa7/0x2f0
[  322.272962]  fallback_alloc+0x203/0x2e0
[  322.276933]  ____cache_alloc_node+0x1c7/0x1e0
[  322.281544]  kmem_cache_alloc_node+0xe3/0x730
[  322.286037]  ? ipv6_get_ifaddr+0x42e/0x620
[  322.290297]  __alloc_skb+0x119/0x770
[  322.294007]  ? skb_scrub_packet+0x490/0x490
[  322.298320]  ? lock_downgrade+0x900/0x900
[  322.302473]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.308011]  ? refcount_sub_and_test_checked+0x203/0x310
[  322.313454]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  322.318907]  ? addrconf_rs_timer+0x690/0x690
[  322.323314]  ndisc_alloc_skb+0x144/0x340
[  322.327373]  ndisc_send_rs+0x331/0x6e0
[  322.331257]  addrconf_rs_timer+0x314/0x690
[  322.335493]  ? neigh_invalidate+0x550/0x550
[  322.339814]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  322.344047]  call_timer_fn+0x272/0x920
[  322.347926]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  322.352150]  ? process_timeout+0x40/0x40
[  322.356200]  ? trace_hardirqs_off+0xb8/0x310
[  322.360595]  ? kasan_check_read+0x11/0x20
[  322.364734]  ? do_raw_spin_unlock+0xa7/0x2f0
[  322.369140]  ? trace_hardirqs_on+0x310/0x310
[  322.373572]  ? __run_timers+0x7da/0xc70
[  322.377535]  ? lock_downgrade+0x900/0x900
[  322.381675]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  322.386768]  ? trace_hardirqs_on+0xbd/0x310
[  322.391075]  ? kasan_check_read+0x11/0x20
[  322.395214]  ? __run_timers+0x7da/0xc70
[  322.399177]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  322.404620]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.410149]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  322.414377]  __run_timers+0x7e5/0xc70
[  322.418189]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  322.423547]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  322.428555]  ? timerqueue_add+0x207/0x2b0
[  322.432698]  ? enqueue_hrtimer+0x1a5/0x560
[  322.436920]  ? lock_release+0x970/0x970
[  322.440885]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  322.446070]  ? kasan_check_write+0x14/0x20
[  322.451501]  ? pvclock_read_flags+0x160/0x160
[  322.455991]  ? lock_downgrade+0x900/0x900
[  322.460136]  ? trace_hardirqs_on+0xbd/0x310
[  322.464831]  ? kvm_sched_clock_read+0x9/0x20
[  322.469249]  ? irq_exit+0x17f/0x1c0
[  322.472868]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.478398]  ? check_preemption_disabled+0x48/0x200
[  322.483404]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.489166]  run_timer_softirq+0x52/0xb0
[  322.493222]  ? __this_cpu_preempt_check+0x1c/0x1f
[  322.498059]  __do_softirq+0x30b/0xad8
[  322.501861]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  322.506955]  ? pvclock_read_flags+0x160/0x160
[  322.511438]  ? lapic_next_event+0x5a/0x90
[  322.515581]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.521111]  ? clockevents_program_event+0x140/0x370
[  322.526208]  ? kvm_clock_read+0x18/0x30
[  322.530173]  ? kvm_sched_clock_read+0x9/0x20
[  322.534571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.540276]  ? check_preemption_disabled+0x48/0x200
[  322.545292]  irq_exit+0x17f/0x1c0
[  322.548735]  smp_apic_timer_interrupt+0x1cb/0x760
[  322.553566]  ? smp_reschedule_interrupt+0x109/0x650
[  322.559016]  ? smp_call_function_single_interrupt+0x650/0x650
[  322.564890]  ? interrupt_entry+0xb5/0xf0
[  322.568942]  ? trace_hardirqs_off_caller+0xbb/0x310
[  322.573946]  ? trace_hardirqs_off_caller+0xbb/0x310
[  322.579515]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  322.584347]  ? trace_hardirqs_on_caller+0x310/0x310
[  322.589349]  ? trace_hardirqs_on_caller+0x310/0x310
[  322.595177]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.600705]  ? check_preemption_disabled+0x48/0x200
[  322.605718]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  322.610555]  apic_timer_interrupt+0xf/0x20
[  322.615032]  </IRQ>
[  322.617266] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  322.622187] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  322.641246] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  322.648946] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  322.656628] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  322.663925] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  322.671185] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  322.678459] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  322.685883]  ? trace_hardirqs_on+0xb4/0x310
[  322.690208]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.695747]  skb_clone+0x1bb/0x500
[  322.699283]  ? finish_task_switch+0x2f5/0x900
[  322.703771]  ? skb_split+0x11e0/0x11e0
[  322.707658]  ? preempt_notifier_register+0x200/0x200
[  322.712751]  ? __switch_to_asm+0x34/0x70
[  322.716813]  ? __switch_to_asm+0x34/0x70
[  322.720862]  ? __switch_to_asm+0x40/0x70
[  322.724912]  ? __switch_to_asm+0x34/0x70
[  322.728974]  ? __switch_to_asm+0x40/0x70
[  322.733026]  ? __switch_to_asm+0x34/0x70
[  322.737079]  ? __switch_to_asm+0x40/0x70
[  322.741126]  ? __switch_to_asm+0x34/0x70
[  322.745179]  ? __switch_to_asm+0x34/0x70
[  322.749243]  ? __switch_to_asm+0x40/0x70
[  322.753294]  ? __switch_to_asm+0x34/0x70
[  322.757350]  bpf_clone_redirect+0xb9/0x490
[  322.761577]  ? __schedule+0x874/0x1ed0
[  322.765470]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  322.770397]  ? __sched_text_start+0x8/0x8
[  322.774539]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  322.779289]  ? retint_kernel+0x2d/0x2d
[  322.783170]  ? lock_acquire+0x1ed/0x520
[  322.787137]  ? bpf_test_run+0x32e/0x5a0
[  322.791109]  ? lock_release+0x970/0x970
[  322.795075]  ? preempt_schedule+0x4d/0x60
[  322.799215]  ? preempt_schedule_common+0x1f/0xd0
[  322.803962]  ? preempt_schedule+0x4d/0x60
[  322.808099]  ? ___preempt_schedule+0x16/0x18
[  322.812505]  ? bpf_test_run+0x1c0/0x5a0
[  322.816482]  ? netlink_diag_dump+0x2a0/0x2a0
[  322.820882]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  322.826411]  ? bpf_test_init.isra.9+0x70/0x100
[  322.831009]  ? bpf_prog_test_run_skb+0x634/0xb40
[  322.835757]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  322.840588]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  322.846216]  ? fput+0x130/0x1a0
[  322.849489]  ? __bpf_prog_get+0x9b/0x290
[  322.853542]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  322.858376]  ? bpf_prog_test_run+0x130/0x1a0
[  322.862774]  ? __x64_sys_bpf+0x3d8/0x510
[  322.866827]  ? bpf_prog_get+0x20/0x20
[  322.870628]  ? do_syscall_64+0x1b9/0x820
[  322.874676]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  322.880032]  ? syscall_return_slowpath+0x5e0/0x5e0
[  322.884952]  ? trace_hardirqs_on_caller+0x310/0x310
[  322.889960]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  322.894970]  ? recalc_sigpending_tsk+0x180/0x180
[  322.899717]  ? kasan_check_write+0x14/0x20
[  322.903944]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  322.908783]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  322.914143] warn_alloc_show_mem: 1 callbacks suppressed
[  322.914153] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  322.914154] Mem-Info:
[  322.914182] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  322.914182]  active_file:16 inactive_file:17 isolated_file:0
[  322.914182]  unevictable:0 dirty:0 writeback:0 unstable:0
[  322.914182]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  322.914182]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  322.914182]  free:13792 free_pcp:309 free_cma:0
[  322.919515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  322.926346] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  322.928729] Call Trace:
[  322.961759] Node 0 
[  322.972417]  dump_stack+0x1c4/0x2b4
[  323.000258] 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
[  323.002813]  ? dump_stack_print_info.cold.2+0x52/0x52
[  323.005012] lowmem_reserve[]: 0
[  323.008630]  ? isolate_lru_page+0x22e0/0x22e0
[  323.034097]  2819 6323
[  323.039285]  warn_alloc.cold.119+0xb7/0x1bd
[  323.042530]  6323
[  323.047012]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  323.053784]  ? lock_downgrade+0x900/0x900
[  323.055819] Node 0 
[  323.060648]  ? trace_hardirqs_off+0xb8/0x310
[  323.064789] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  323.067081]  ? trace_hardirqs_off+0xb8/0x310
[  323.071460] lowmem_reserve[]:
[  323.099074]  __alloc_pages_slowpath+0x2667/0x2d80
[  323.103451]  0
[  323.106548]  ? mark_held_locks+0x130/0x130
[  323.111360]  0
[  323.113143]  ? warn_alloc+0x120/0x120
[  323.117347]  3503
[  323.119141]  ? warn_alloc+0x120/0x120
[  323.122910]  3503
[  323.124960]  ? warn_alloc+0x120/0x120
[  323.130778]  ? mark_held_locks+0x130/0x130
[  323.134547] Node 0 Normal free:14004kB min:37352kB low:46688kB high:56024kB active_anon:195480kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2188kB bounce:0kB free_pcp:988kB local_pcp:36kB free_cma:0kB
[  323.138790]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.138806]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  323.168057] lowmem_reserve[]:
[  323.173590]  ? should_fail+0x22d/0xd01
[  323.179095]  0
[  323.182189]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  323.186041]  0
[  323.187831]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  323.192893]  0 0
[  323.194707]  ? should_fail+0x22d/0xd01
[  323.200210] Node 0 
[  323.202175]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  323.206035] DMA: 
[  323.208262]  ? should_fail+0x22d/0xd01
[  323.213336] 1*4kB 
[  323.215387]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  323.219237] (U) 
[  323.221373]  ? mark_held_locks+0x130/0x130
[  323.226446] 0*8kB 
[  323.228415]  ? mark_held_locks+0x130/0x130
[  323.232618] 0*16kB 1*32kB 
[  323.234762]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.238961] (U) 
[  323.241793]  ? trace_hardirqs_off+0xb8/0x310
[  323.247294] 2*64kB (U) 
[  323.249263]  ? kasan_check_read+0x11/0x20
[  323.253641] 1*128kB 
[  323.256213]  ? do_raw_spin_unlock+0xa7/0x2f0
[  323.260330] (U) 
[  323.262639]  ? trace_hardirqs_on+0x310/0x310
[  323.267018] 1*256kB 
[  323.268981]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.273441] (U) 
[  323.275751]  ? wq_watchdog_touch+0x9c/0xfe
[  323.281257] 0*512kB 
[  323.283225]  ? io_serial_in+0x11/0x90
[  323.287424] 1*1024kB (U) 
[  323.289742]  ? retint_kernel+0x2d/0x2d
[  323.293522] 1*2048kB 
[  323.296263]  ? trace_hardirqs_on_caller+0xc0/0x310
[  323.300111] (M) 3*4096kB 
[  323.302518]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  323.307427] (M) 
[  323.310169]  ? trace_hardirqs_off+0x310/0x310
[  323.314897] = 15908kB
[  323.314905] Node 0 
[  323.316871]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  323.321334] DMA32: 
[  323.323734]  __alloc_pages_nodemask+0xa80/0xde0
[  323.325954] 6*4kB 
[  323.331040]  ? should_fail+0x22d/0xd01
[  323.333246] (UME) 
[  323.337901]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  323.340019] 2*8kB 
[  323.343900]  ? ____cache_alloc_node+0x1c7/0x1e0
[  323.346008] (UE) 
[  323.351009]  ? lock_downgrade+0x900/0x900
[  323.353124] 4*16kB (UME) 
[  323.358229]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.360255] 4*32kB (UME) 
[  323.365918]  cache_grow_begin+0x91/0x8c0
[  323.368639] 5*64kB (ME) 
[  323.374171]  ? do_raw_spin_unlock+0xa7/0x2f0
[  323.376898] 5*128kB 
[  323.380945]  fallback_alloc+0x203/0x2e0
[  323.383582] (UME) 
[  323.387975]  ____cache_alloc_node+0x1c7/0x1e0
[  323.390272] 4*256kB 
[  323.394231]  kmem_cache_alloc_node+0xe3/0x730
[  323.396350] (ME) 
[  323.401339]  ? ipv6_get_ifaddr+0x42e/0x620
[  323.403645] 5*512kB 
[  323.408123]  __alloc_skb+0x119/0x770
[  323.410152] (UME) 
[  323.414370]  ? skb_scrub_packet+0x490/0x490
[  323.416672] 4*1024kB 
[  323.420378]  ? lock_downgrade+0x900/0x900
[  323.422500] (UME) 
[  323.426807]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.429184] 2*2048kB 
[  323.433826]  ? refcount_sub_and_test_checked+0x203/0x310
[  323.435941] (ME) 
[  323.441465]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  323.443846] 3*4096kB 
[  323.449747]  ? addrconf_rs_timer+0x690/0x690
[  323.451778] (M) 
[  323.457215]  ndisc_alloc_skb+0x144/0x340
[  323.459596] = 25256kB
[  323.464259]  ndisc_send_rs+0x331/0x6e0
[  323.466205] Node 0 
[  323.470253]  addrconf_rs_timer+0x314/0x690
[  323.472631] Normal: 
[  323.476509]  ? lock_release+0x970/0x970
[  323.478726] 1063*4kB 
[  323.482955]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  323.485251] (UMEH) 
[  323.489237]  call_timer_fn+0x272/0x920
[  323.491611] 420*8kB 
[  323.495829]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  323.498032] (UME) 
[  323.502444]  ? process_timeout+0x40/0x40
[  323.504737] 170*16kB 
[  323.508952]  ? kasan_check_read+0x11/0x20
[  323.508969]  ? do_raw_spin_unlock+0xa7/0x2f0
[  323.511086] (UMEH) 
[  323.515133]  ? trace_hardirqs_on+0x310/0x310
[  323.517933] 65*32kB 
[  323.522070]  ? __run_timers+0x7da/0xc70
[  323.526448] (UME) 
[  323.528670]  ? lock_downgrade+0x900/0x900
[  323.533183] 9*64kB (UM) 0*128kB 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14012kB
[  323.533214] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  323.533219] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  323.533223] 4986 total pagecache pages
[  323.533227] 0 pages in swap cache
[  323.533232] Swap cache stats: add 0, delete 0, find 0/0
[  323.533234] Free swap  = 0kB
[  323.533237] Total swap = 0kB
[  323.533241] 1965979 pages RAM
[  323.533244] 0 pages HighMem/MovableOnly
[  323.533246] 342307 pages reserved
[  323.533249] 0 pages cma reserved
[  323.533291] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  323.533329] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  323.533332] syz-executor4 cpuset=syz4 mems_allowed=0
[  323.626168]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  323.631548]  ? trace_hardirqs_on+0xbd/0x310
[  323.636671]  ? kasan_check_read+0x11/0x20
[  323.640818]  ? __run_timers+0x7da/0xc70
[  323.644784]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  323.650227]  ? kasan_check_write+0x14/0x20
[  323.654452]  ? do_raw_spin_lock+0xc1/0x200
[  323.658690]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  323.662919]  __run_timers+0x7e5/0xc70
[  323.666719]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  323.672075]  ? compat_start_thread+0x80/0x80
[  323.676511]  ? dequeue_entity+0x1770/0x1770
[  323.680856]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.686393]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.693261]  ? kasan_check_write+0x14/0x20
[  323.698324]  ? finish_task_switch+0x2f5/0x900
[  323.702814]  ? __switch_to_asm+0x40/0x70
[  323.706867]  ? preempt_notifier_register+0x200/0x200
[  323.712454]  ? __switch_to_asm+0x34/0x70
[  323.716507]  ? __switch_to_asm+0x40/0x70
[  323.720556]  ? __switch_to_asm+0x34/0x70
[  323.725370]  ? __switch_to_asm+0x40/0x70
[  323.729433]  ? __switch_to_asm+0x34/0x70
[  323.733489]  ? __switch_to_asm+0x40/0x70
[  323.737545]  ? pvclock_read_flags+0x160/0x160
[  323.742033]  ? __schedule+0x874/0x1ed0
[  323.745911]  ? run_rebalance_domains+0x38d/0x500
[  323.750662]  ? trace_hardirqs_on+0xbd/0x310
[  323.755450]  ? kvm_sched_clock_read+0x9/0x20
[  323.759851]  ? run_ksoftirqd+0x94/0x100
[  323.763819]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.769348]  ? check_preemption_disabled+0x48/0x200
[  323.774371]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.779911]  run_timer_softirq+0x52/0xb0
[  323.783964]  ? __this_cpu_preempt_check+0x1c/0x1f
[  323.789315]  __do_softirq+0x30b/0xad8
[  323.793114]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  323.798300]  ? trace_hardirqs_off+0xb8/0x310
[  323.802702]  ? schedule+0x108/0x460
[  323.806318]  ? __schedule+0x1ed0/0x1ed0
[  323.810283]  ? run_ksoftirqd+0x99/0x100
[  323.814751]  ? trace_hardirqs_off+0xb8/0x310
[  323.819151]  ? ___might_sleep+0x1ed/0x300
[  323.823288]  ? smpboot_thread_fn+0x68b/0xa00
[  323.827690]  ? trace_hardirqs_on+0x310/0x310
[  323.832100]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  323.837630]  ? check_preemption_disabled+0x48/0x200
[  323.842642]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.848172]  ? takeover_tasklets+0xa90/0xa90
[  323.852581]  run_ksoftirqd+0x94/0x100
[  323.857362]  smpboot_thread_fn+0x68b/0xa00
[  323.862378]  ? sort_range+0x30/0x30
[  323.866499]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  323.871593]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  323.877124]  ? __kthread_parkme+0xfb/0x1a0
[  323.881357]  kthread+0x35a/0x420
[  323.885236]  ? sort_range+0x30/0x30
[  323.889177]  ? kthread_bind+0x40/0x40
[  323.892980]  ret_from_fork+0x3a/0x50
[  323.896697] CPU: 0 PID: 10456 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #65
[  323.896744] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  323.903962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  323.903966] Call Trace:
[  323.903971]  <IRQ>
[  323.903985]  dump_stack+0x1c4/0x2b4
[  323.904002]  ? dump_stack_print_info.cold.2+0x52/0x52
[  323.910523] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  323.919811]  warn_alloc.cold.119+0xb7/0x1bd
[  323.922366] ksoftirqd/1 cpuset=/
[  323.924509]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  323.928107]  mems_allowed=0
[  323.933279]  ? lock_downgrade+0x900/0x900
[  323.963067]  ? trace_hardirqs_off+0xb8/0x310
[  323.967476]  ? trace_hardirqs_off+0xb8/0x310
[  323.971878]  __alloc_pages_slowpath+0x2667/0x2d80
[  323.976725]  ? warn_alloc+0x120/0x120
[  323.980512]  ? warn_alloc+0x120/0x120
[  323.984303]  ? warn_alloc+0x120/0x120
[  323.988099]  ? lock_release+0x970/0x970
[  323.992078]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  323.997256]  ? trace_hardirqs_on+0x310/0x310
[  324.001659]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  324.007185]  ? should_fail+0x22d/0xd01
[  324.011070]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  324.016162]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  324.021692]  ? should_fail+0x22d/0xd01
[  324.025663]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  324.030755]  ? should_fail+0x22d/0xd01
[  324.034634]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  324.039730]  ? mark_held_locks+0x130/0x130
[  324.043960]  ? mark_held_locks+0x130/0x130
[  324.048183]  ? kvm_clock_read+0x18/0x30
[  324.052151]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  324.057155]  ? ktime_get+0x2e1/0x440
[  324.060863]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.066391]  ? check_preemption_disabled+0x48/0x200
[  324.071398]  ? kasan_check_read+0x11/0x20
[  324.075537]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  324.080807]  ? rcu_bh_qs+0xc0/0xc0
[  324.084342]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.089887]  ? check_preemption_disabled+0x48/0x200
[  324.094896]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  324.099900]  ? widen_string+0xe0/0x2e0
[  324.103793]  __alloc_pages_nodemask+0xa80/0xde0
[  324.108932]  ? should_fail+0x22d/0xd01
[  324.112821]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  324.117841]  ? ____cache_alloc_node+0x1c7/0x1e0
[  324.122547]  ? lock_downgrade+0x900/0x900
[  324.126711]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.132757]  cache_grow_begin+0x91/0x8c0
[  324.136814]  ? do_raw_spin_unlock+0xa7/0x2f0
[  324.141215]  fallback_alloc+0x203/0x2e0
[  324.145182]  ____cache_alloc_node+0x1c7/0x1e0
[  324.149673]  kmem_cache_alloc_node+0xe3/0x730
[  324.154163]  ? ipv6_get_ifaddr+0x42e/0x620
[  324.158395]  __alloc_skb+0x119/0x770
[  324.162101]  ? skb_scrub_packet+0x490/0x490
[  324.166413]  ? lock_downgrade+0x900/0x900
[  324.170561]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.176201]  ? refcount_sub_and_test_checked+0x203/0x310
[  324.181646]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  324.187087]  ? addrconf_rs_timer+0x690/0x690
[  324.191493]  ndisc_alloc_skb+0x144/0x340
[  324.195551]  ndisc_send_rs+0x331/0x6e0
[  324.199434]  addrconf_rs_timer+0x314/0x690
[  324.203660]  ? neigh_invalidate+0x550/0x550
[  324.207973]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  324.212204]  call_timer_fn+0x272/0x920
[  324.216085]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  324.220312]  ? process_timeout+0x40/0x40
[  324.224387]  ? trace_hardirqs_off+0xb8/0x310
[  324.228794]  ? kasan_check_read+0x11/0x20
[  324.232933]  ? do_raw_spin_unlock+0xa7/0x2f0
[  324.237346]  ? trace_hardirqs_on+0x310/0x310
[  324.241747]  ? __run_timers+0x7da/0xc70
[  324.245709]  ? lock_downgrade+0x900/0x900
[  324.249850]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  324.254956]  ? trace_hardirqs_on+0xbd/0x310
[  324.259270]  ? kasan_check_read+0x11/0x20
[  324.263405]  ? __run_timers+0x7da/0xc70
[  324.267371]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  324.273301]  ? kasan_check_write+0x14/0x20
[  324.277587]  ? do_raw_spin_lock+0xc1/0x200
[  324.281818]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  324.286047]  __run_timers+0x7e5/0xc70
[  324.289847]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  324.295205]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  324.300215]  ? timerqueue_add+0x207/0x2b0
[  324.304357]  ? enqueue_hrtimer+0x1a5/0x560
[  324.308579]  ? lock_release+0x970/0x970
[  324.312545]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  324.317729]  ? kasan_check_write+0x14/0x20
[  324.321957]  ? pvclock_read_flags+0x160/0x160
[  324.326445]  ? lock_downgrade+0x900/0x900
[  324.330592]  ? trace_hardirqs_on+0xbd/0x310
[  324.335002]  ? kvm_sched_clock_read+0x9/0x20
[  324.339408]  ? irq_exit+0x17f/0x1c0
[  324.343025]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.348556]  ? check_preemption_disabled+0x48/0x200
[  324.353570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.359102]  run_timer_softirq+0x52/0xb0
[  324.363156]  ? __this_cpu_preempt_check+0x1c/0x1f
[  324.367992]  __do_softirq+0x30b/0xad8
[  324.371792]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  324.376899]  ? pvclock_read_flags+0x160/0x160
[  324.381391]  ? lapic_next_event+0x5a/0x90
[  324.385530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.391061]  ? clockevents_program_event+0x140/0x370
[  324.396161]  ? kvm_clock_read+0x18/0x30
[  324.400125]  ? kvm_sched_clock_read+0x9/0x20
[  324.404529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.410057]  ? check_preemption_disabled+0x48/0x200
[  324.415067]  irq_exit+0x17f/0x1c0
[  324.418525]  smp_apic_timer_interrupt+0x1cb/0x760
[  324.423359]  ? smp_reschedule_interrupt+0x109/0x650
[  324.428365]  ? smp_call_function_single_interrupt+0x650/0x650
[  324.434239]  ? interrupt_entry+0xb5/0xf0
[  324.438289]  ? trace_hardirqs_off_caller+0xbb/0x310
[  324.443315]  ? trace_hardirqs_off_caller+0xbb/0x310
[  324.448846]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  324.453680]  ? trace_hardirqs_on_caller+0x310/0x310
[  324.459132]  ? trace_hardirqs_on_caller+0x310/0x310
[  324.464145]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.469677]  ? check_preemption_disabled+0x48/0x200
[  324.475590]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  324.480434]  apic_timer_interrupt+0xf/0x20
[  324.484652]  </IRQ>
[  324.487437] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  324.492795] Code: 7e 0f 85 cf fe ff ff e8 a6 90 3e ff e9 c5 fe ff ff e8 0d f4 c2 ff 48 83 3d 5d 05 70 07 00 0f 84 3b 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 22 a5
[  324.511955] RSP: 0000:ffff88019a6a7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  324.520993] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a6ce000
[  324.528260] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  324.535527] RBP: ffff88019a6a77b0 R08: ffff8801b9e6e440 R09: fffffbfff1281204
[  324.542787] R10: ffff88019a6a6390 R11: ffffffff89409023 R12: 0000000000000000
[  324.550081] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  324.557458]  ? trace_hardirqs_on+0xb4/0x310
[  324.561784]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.567326]  skb_clone+0x1bb/0x500
[  324.570860]  ? finish_task_switch+0x2f5/0x900
[  324.575346]  ? skb_split+0x11e0/0x11e0
[  324.579231]  ? preempt_notifier_register+0x200/0x200
[  324.584346]  ? __switch_to_asm+0x34/0x70
[  324.588402]  ? __switch_to_asm+0x34/0x70
[  324.592455]  ? __switch_to_asm+0x40/0x70
[  324.596504]  ? __switch_to_asm+0x34/0x70
[  324.600556]  ? __switch_to_asm+0x40/0x70
[  324.604607]  ? __switch_to_asm+0x34/0x70
[  324.608659]  ? __switch_to_asm+0x40/0x70
[  324.612710]  ? __switch_to_asm+0x34/0x70
[  324.616769]  ? __switch_to_asm+0x34/0x70
[  324.620824]  ? __switch_to_asm+0x40/0x70
[  324.624875]  ? __switch_to_asm+0x34/0x70
[  324.628935]  bpf_clone_redirect+0xb9/0x490
[  324.633162]  ? __schedule+0x874/0x1ed0
[  324.637041]  bpf_prog_a481c1313990ee2c+0xe1/0x1000
[  324.641967]  ? __sched_text_start+0x8/0x8
[  324.646108]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  324.650854]  ? retint_kernel+0x2d/0x2d
[  324.654738]  ? lock_acquire+0x1ed/0x520
[  324.658701]  ? bpf_test_run+0x32e/0x5a0
[  324.662669]  ? lock_release+0x970/0x970
[  324.666646]  ? preempt_schedule+0x4d/0x60
[  324.670785]  ? preempt_schedule_common+0x1f/0xd0
[  324.675533]  ? preempt_schedule+0x4d/0x60
[  324.679672]  ? ___preempt_schedule+0x16/0x18
[  324.684081]  ? bpf_test_run+0x1c0/0x5a0
[  324.688055]  ? netlink_diag_dump+0x2a0/0x2a0
[  324.692458]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  324.697982]  ? bpf_test_init.isra.9+0x70/0x100
[  324.702557]  ? bpf_prog_test_run_skb+0x634/0xb40
[  324.707313]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  324.712146]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  324.717774]  ? fput+0x130/0x1a0
[  324.721045]  ? __bpf_prog_get+0x9b/0x290
[  324.725094]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  324.729926]  ? bpf_prog_test_run+0x130/0x1a0
[  324.734397]  ? __x64_sys_bpf+0x3d8/0x510
[  324.738528]  ? bpf_prog_get+0x20/0x20
[  324.742333]  ? do_syscall_64+0x1b9/0x820
[  324.746385]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  324.751741]  ? syscall_return_slowpath+0x5e0/0x5e0
[  324.756677]  ? trace_hardirqs_on_caller+0x310/0x310
[  324.761689]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  324.766714]  ? recalc_sigpending_tsk+0x180/0x180
[  324.771460]  ? kasan_check_write+0x14/0x20
[  324.775683]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  324.780522]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  324.785879] warn_alloc_show_mem: 1 callbacks suppressed
[  324.785889] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc6+ #65
[  324.785891] Mem-Info:
[  324.785920] active_anon:50918 inactive_anon:4918 isolated_anon:0
[  324.785920]  active_file:16 inactive_file:17 isolated_file:0
[  324.785920]  unevictable:0 dirty:0 writeback:0 unstable:0
[  324.785920]  slab_reclaimable:9067 slab_unreclaimable:1467601
[  324.785920]  mapped:32770 shmem:4953 pagetables:547 bounce:0
[  324.785920]  free:13792 free_pcp:309 free_cma:0
[  324.791251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  324.798092] Node 0 active_anon:203672kB inactive_anon:19672kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:19812kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  324.800477] Call Trace:
[  324.833604] Node 0 
[  324.843487]  dump_stack+0x1c4/0x2b4
[  324.871325] 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
[  324.873882]  ? dump_stack_print_info.cold.2+0x52/0x52
[  324.876086] lowmem_reserve[]: 0
[  324.879708]  ? isolate_lru_page+0x22e0/0x22e0
[  324.905185]  2819 6323
[  324.910381]  warn_alloc.cold.119+0xb7/0x1bd
[  324.913634]  6323
[  324.918118]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  324.924900]  ? lock_downgrade+0x900/0x900
[  324.926937] Node 0 
[  324.931767]  ? trace_hardirqs_off+0xb8/0x310
[  324.935906] DMA32 free:25256kB min:30060kB low:37572kB high:45084kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  324.938113]  ? trace_hardirqs_off+0xb8/0x310
[  324.942517] lowmem_reserve[]: 0
[  324.970017]  __alloc_pages_slowpath+0x2667/0x2d80
[  324.974397]  0
[  324.977677]  ? mark_held_locks+0x130/0x130
[  324.982639]  3503
[  324.984459]  ? warn_alloc+0x120/0x120
[  324.988700]  3503