0
[  643.053253]  irq_exit+0x17f/0x1c0
[  643.056727]  smp_apic_timer_interrupt+0x1cb/0x760
[  643.061609]  ? smp_reschedule_interrupt+0x109/0x650
[  643.066654]  ? smp_call_function_single_interrupt+0x650/0x650
[  643.072554]  ? interrupt_entry+0xb5/0xc0
[  643.076646]  ? trace_hardirqs_off_caller+0xbb/0x310
[  643.081663]  ? trace_hardirqs_off_caller+0xbb/0x310
[  643.086681]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  643.091523]  ? trace_hardirqs_on_caller+0x310/0x310
[  643.096537]  ? trace_hardirqs_on_caller+0x310/0x310
[  643.101570]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  643.106438]  apic_timer_interrupt+0xf/0x20
[  643.110666]  </IRQ>
[  643.112904] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  643.118790] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
[  643.137699] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  643.145423] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  643.152697] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286
[  643.159962] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000
[  643.167235] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40
[  643.174515] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286
[  643.181809]  ? save_stack+0xa9/0xd0
[  643.185472]  __kmalloc_node_track_caller+0x3c/0x70
[  643.190445]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  643.195208]  pskb_expand_head+0x230/0x10f0
[  643.199458]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  643.204930]  ? memcpy+0x45/0x50
[  643.208207]  ? __copy_skb_header+0x350/0x6b0
[  643.212614]  ? skb_release_data+0x880/0x880
[  643.216979]  ? __alloc_skb+0x770/0x770
[  643.220874]  ? __lock_is_held+0xb5/0x140
[  643.224956]  ? kasan_check_write+0x14/0x20
[  643.229188]  ? __skb_clone+0x6c7/0xa00
[  643.233095]  ? __copy_skb_header+0x6b0/0x6b0
[  643.237500]  ? kmem_cache_alloc+0x33a/0x730
[  643.241826]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  643.247372]  skb_ensure_writable+0x3dd/0x640
[  643.251787]  ? skb_checksum_setup+0xaa0/0xaa0
[  643.256291]  ? preempt_notifier_register+0x200/0x200
[  643.261391]  ? __switch_to_asm+0x34/0x70
[  643.265455]  ? __switch_to_asm+0x34/0x70
[  643.269515]  ? __switch_to_asm+0x40/0x70
[  643.273585]  ? __switch_to_asm+0x34/0x70
[  643.277640]  ? __switch_to_asm+0x40/0x70
[  643.281697]  ? __switch_to_asm+0x40/0x70
[  643.285770]  ? __switch_to_asm+0x34/0x70
[  643.289842]  ? __switch_to_asm+0x34/0x70
[  643.293899]  ? __switch_to_asm+0x40/0x70
[  643.297961]  ? __switch_to_asm+0x34/0x70
[  643.302037]  bpf_clone_redirect+0x14a/0x490
[  643.306386]  bpf_prog_12ab75334035c288+0xfcd/0x1000
[  643.311423]  ? __sched_text_start+0x8/0x8
[  643.315567]  ? retint_kernel+0x2d/0x2d
[  643.319476]  ? find_held_lock+0x36/0x1c0
[  643.323553]  ? lock_acquire+0x1ed/0x520
[  643.327522]  ? bpf_test_run+0x3cb/0x780
[  643.331496]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  643.337038]  ? check_preemption_disabled+0x48/0x280
[  643.342063]  ? kasan_check_read+0x11/0x20
[  643.346226]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  643.351503]  ? rcu_softirq_qs+0x20/0x20
[  643.355498]  ? preempt_schedule+0x4d/0x60
[  643.359648]  ? ___preempt_schedule+0x16/0x18
[  643.364069]  ? bpf_test_run+0x25d/0x780
[  643.368059]  ? netlink_diag_dump+0x2a0/0x2a0
[  643.372470]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  643.378007]  ? bpf_test_init.isra.10+0x70/0x100
[  643.382690]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  643.387455]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  643.392297]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  643.397833]  ? fput+0x130/0x1a0
[  643.401132]  ? __bpf_prog_get+0x9b/0x290
[  643.405194]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  643.410039]  ? bpf_prog_test_run+0x130/0x1a0
[  643.414466]  ? __x64_sys_bpf+0x3d8/0x520
[  643.418525]  ? bpf_prog_get+0x20/0x20
[  643.422344]  ? do_syscall_64+0x1b9/0x820
[  643.426418]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  643.431788]  ? syscall_return_slowpath+0x5e0/0x5e0
[  643.436735]  ? trace_hardirqs_on_caller+0x310/0x310
[  643.441801]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  643.446846]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  643.453508]  ? __switch_to_asm+0x40/0x70
[  643.457565]  ? __switch_to_asm+0x34/0x70
[  643.461631]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  643.466477]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  643.471855] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
[  643.471946] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  643.478866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  643.478887] Call Trace:
[  643.478893]  <IRQ>
[  643.478910]  dump_stack+0x244/0x39d
[  643.478928]  ? dump_stack_print_info.cold.1+0x20/0x20
[  643.485487] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  643.494770]  warn_alloc.cold.116+0xb7/0x1bd
[  643.497322] syz-executor3 cpuset=syz3 mems_allowed=0
[  643.499464]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  643.533045]  ? lock_downgrade+0x900/0x900
[  643.537217]  ? trace_hardirqs_off+0xb8/0x310
[  643.541623]  ? trace_hardirqs_off+0xb8/0x310
[  643.546031]  __alloc_pages_slowpath+0x2651/0x2de0
[  643.550896]  ? warn_alloc+0x120/0x120
[  643.554695]  ? print_usage_bug+0xc0/0xc0
[  643.558776]  ? warn_alloc+0x120/0x120
[  643.562581]  ? warn_alloc+0x120/0x120
[  643.566383]  ? print_usage_bug+0xc0/0xc0
[  643.570463]  ? print_usage_bug+0xc0/0xc0
[  643.574535]  ? __lock_acquire+0x62f/0x4c20
[  643.578783]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  643.584342]  ? should_fail+0x22d/0xd01
[  643.588257]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  643.593370]  ? __lock_acquire+0x62f/0x4c20
[  643.597611]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  643.602714]  ? __lock_acquire+0x62f/0x4c20
[  643.606989]  ? should_fail+0x22d/0xd01
[  643.610876]  ? find_held_lock+0x36/0x1c0
[  643.614959]  ? mark_held_locks+0x130/0x130
[  643.619196]  ? mark_held_locks+0x130/0x130
[  643.623430]  ? zap_class+0x640/0x640
[  643.627161]  ? zap_class+0x640/0x640
[  643.630876]  ? print_usage_bug+0xc0/0xc0
[  643.634937]  ? do_raw_spin_unlock+0xa7/0x330
[  643.639357]  ? zap_class+0x640/0x640
[  643.643098]  ? print_usage_bug+0xc0/0xc0
[  643.647159]  ? wq_watchdog_touch+0x9c/0xfe
[  643.651410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  643.656948]  ? check_preemption_disabled+0x48/0x280
[  643.661971]  ? __lock_is_held+0xb5/0x140
[  643.666036]  __alloc_pages_nodemask+0xad8/0xea0
[  643.670704]  ? zap_class+0x640/0x640
[  643.674458]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  643.679487]  ? find_held_lock+0x36/0x1c0
[  643.683566]  ? ____cache_alloc_node+0x1c7/0x1e0
[  643.688234]  ? lock_downgrade+0x900/0x900
[  643.692395]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  643.697947]  cache_grow_begin+0xa5/0x8c0
[  643.702023]  ? do_raw_spin_unlock+0xa7/0x330
[  643.706442]  fallback_alloc+0x204/0x2e0
[  643.710428]  ____cache_alloc_node+0x1c7/0x1e0
[  643.714935]  kmem_cache_alloc_node+0xe3/0x730
[  643.719435]  ? ipv6_get_ifaddr+0x42e/0x620
[  643.723681]  __alloc_skb+0x119/0x770
[  643.727397]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  643.732683]  ? netdev_alloc_frag+0x1f0/0x1f0
[  643.737091]  ? lock_downgrade+0x900/0x900
[  643.741245]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  643.746790]  ? refcount_sub_and_test_checked+0x203/0x310
[  643.752244]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  643.757702]  ? addrconf_rs_timer+0x690/0x690
[  643.762122]  ndisc_alloc_skb+0x144/0x340
[  643.766188]  ndisc_send_rs+0x331/0x6e0
[  643.770097]  addrconf_rs_timer+0x314/0x690
[  643.774341]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  643.778586]  call_timer_fn+0x272/0x920
[  643.782479]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  643.786718]  ? process_timeout+0x40/0x40
[  643.790790]  ? mark_held_locks+0xc7/0x130
[  643.794945]  ? _raw_spin_unlock_irq+0x27/0x80
[  643.799437]  ? _raw_spin_unlock_irq+0x27/0x80
[  643.803936]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  643.808171]  ? lockdep_hardirqs_on+0x296/0x5b0
[  643.812755]  ? trace_hardirqs_on+0xbd/0x310
[  643.817077]  ? kasan_check_read+0x11/0x20
[  643.821222]  ? __run_timers+0x7da/0xc70
[  643.825199]  ? trace_hardirqs_off_caller+0x310/0x310
[  643.830320]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  643.834566]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  643.838800]  __run_timers+0x7e5/0xc70
[  643.842615]  ? timer_fixup_init+0x70/0x70
[  643.846767]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  643.851782]  ? zap_class+0x640/0x640
[  643.855503]  ? print_usage_bug+0xc0/0xc0
[  643.859569]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  643.864765]  ? find_held_lock+0x36/0x1c0
[  643.868831]  ? zap_class+0x640/0x640
[  643.872557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  643.878097]  ? check_preemption_disabled+0x48/0x280
[  643.883127]  ? __lock_is_held+0xb5/0x140
[  643.887194]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  643.892752]  ? check_preemption_disabled+0x48/0x280
[  643.897777]  run_timer_softirq+0x52/0xb0
[  643.901844]  ? rcu_read_lock_sched_held+0x14f/0x180
[  643.906861]  __do_softirq+0x308/0xb7e
[  643.910665]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  643.915163]  ? lock_downgrade+0x900/0x900
[  643.919319]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  643.924431]  ? pvclock_read_flags+0x160/0x160
[  643.928927]  ? lapic_next_event+0x5a/0x90
[  643.933083]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  643.938629]  ? kvm_clock_read+0x18/0x30
[  643.942601]  ? kvm_sched_clock_read+0x9/0x20
[  643.947010]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  643.952556]  ? check_preemption_disabled+0x48/0x280
[  643.957585]  irq_exit+0x17f/0x1c0
[  643.961038]  smp_apic_timer_interrupt+0x1cb/0x760
[  643.966091]  ? smp_call_function_single_interrupt+0x159/0x650
[  643.971979]  ? smp_call_function_single_interrupt+0x650/0x650
[  643.977863]  ? interrupt_entry+0xb5/0xc0
[  643.981925]  ? trace_hardirqs_off_caller+0xbb/0x310
[  643.986974]  ? trace_hardirqs_off_caller+0xbb/0x310
[  643.992025]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  643.996871]  ? trace_hardirqs_on_caller+0x310/0x310
[  644.001884]  ? trace_hardirqs_on_caller+0x310/0x310
[  644.006901]  ? task_prio+0x50/0x50
[  644.010443]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.015981]  ? check_preemption_disabled+0x48/0x280
[  644.021009]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  644.025876]  apic_timer_interrupt+0xf/0x20
[  644.030104]  </IRQ>
[  644.032340] RIP: 0010:rcu_is_watching+0x0/0x30
[  644.036922] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
[  644.055852] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  644.063560] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
[  644.070829] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
[  644.078094] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
[  644.085360] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
[  644.092618] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  644.099898]  ? list_lru_count_one+0x253/0x450
[  644.104434]  ? list_lru_count_one+0x35d/0x450
[  644.108959]  ? list_lru_count_one+0x362/0x450
[  644.113464]  ? list_lru_isolate_move+0x3c0/0x3c0
[  644.118273]  ? shmem_free_inode+0xd0/0xd0
[  644.122424]  ? __lock_is_held+0xb5/0x140
[  644.126514]  super_cache_count+0x1b9/0x2e0
[  644.130758]  do_shrink_slab+0x1b1/0xd30
[  644.134742]  ? snapshot_refaults+0x290/0x290
[  644.139164]  ? lock_release+0xa00/0xa00
[  644.143160]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  644.148103]  ? down_read_trylock+0xda/0x140
[  644.152453]  ? shrink_slab+0x207/0x8c0
[  644.156345]  ? downgrade_write+0x270/0x270
[  644.160593]  shrink_slab+0x389/0x8c0
[  644.164319]  ? shrink_active_list+0x1f00/0x1f00
[  644.169010]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  644.174655]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  644.179767]  ? cgroup_procs_write_finish+0xf0/0xf0
[  644.184703]  ? find_held_lock+0x36/0x1c0
[  644.188774]  shrink_node+0x431/0x16b0
[  644.192583]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  644.197894]  ? shrink_node_memcg+0x18f0/0x18f0
[  644.202489]  ? kvm_clock_read+0x18/0x30
[  644.206467]  ? ktime_get+0x2c1/0x400
[  644.210191]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  644.214692]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  644.220234]  ? __cpuset_node_allowed+0x19b/0x660
[  644.225003]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  644.230729]  ? delayacct_end+0x5a/0x100
[  644.234713]  do_try_to_free_pages+0x3e7/0x1290
[  644.239305]  ? zap_class+0x640/0x640
[  644.243035]  ? shrink_node+0x16b0/0x16b0
[  644.247099]  ? __lock_is_held+0xb5/0x140
[  644.251218]  try_to_free_pages+0x4d0/0xb90
[  644.255472]  ? do_try_to_free_pages+0x1290/0x1290
[  644.260329]  ? lock_acquire+0x1ed/0x520
[  644.264305]  ? set_page_refcounted+0x280/0x280
[  644.268895]  ? lock_release+0xa00/0xa00
[  644.272887]  ? _raw_spin_unlock_irq+0x60/0x80
[  644.277383]  ? psi_memstall_enter+0x240/0x2b0
[  644.281879]  ? psi_memstall_tick+0x230/0x230
[  644.286320]  __alloc_pages_slowpath+0xa48/0x2de0
[  644.291120]  ? warn_alloc+0x120/0x120
[  644.294921]  ? mark_held_locks+0x130/0x130
[  644.299164]  ? find_get_entry+0xaae/0x1120
[  644.303407]  ? filemap_map_pages+0x1a20/0x1a20
[  644.307995]  ? zap_class+0x640/0x640
[  644.311719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.317297]  ? check_preemption_disabled+0x48/0x280
[  644.322333]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  644.327875]  ? should_fail+0x22d/0xd01
[  644.331780]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  644.336885]  ? zap_class+0x640/0x640
[  644.340646]  ? __lock_is_held+0xb5/0x140
[  644.344717]  ? mark_held_locks+0x130/0x130
[  644.348955]  ? lock_release+0xa00/0xa00
[  644.352931]  ? perf_trace_sched_process_exec+0x860/0x860
[  644.358394]  ? xa_load+0x2ba/0x460
[  644.361939]  ? lock_downgrade+0x900/0x900
[  644.366105]  ? __might_sleep+0x95/0x190
[  644.370087]  __alloc_pages_nodemask+0xad8/0xea0
[  644.374763]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  644.379787]  ? __page_cache_alloc+0x191/0x5c0
[  644.384296]  ? xa_load+0x2e1/0x460
[  644.387841]  ? xa_clear_mark+0x40/0x40
[  644.391730]  ? zap_class+0x640/0x640
[  644.395453]  ? zap_class+0x640/0x640
[  644.399165]  ? zap_class+0x640/0x640
[  644.402882]  ? __do_page_cache_readahead+0x663/0x810
[  644.408007]  ? find_held_lock+0x36/0x1c0
[  644.412091]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  644.417634]  alloc_pages_current+0x173/0x350
[  644.422069]  __page_cache_alloc+0x38c/0x5c0
[  644.426406]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  644.431340]  ? kasan_check_read+0x11/0x20
[  644.435489]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  644.440943]  ? generic_perform_write+0x6a0/0x6a0
[  644.445702]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  644.451286]  ? check_preemption_disabled+0x48/0x280
[  644.456329]  filemap_fault+0x1595/0x25f0
[  644.460417]  ? __lock_page_or_retry+0xa00/0xa00
[  644.465087]  ? mark_held_locks+0x130/0x130
[  644.469349]  ? filemap_map_pages+0xd6b/0x1a20
[  644.473851]  ? lock_downgrade+0x900/0x900
[  644.478012]  ? check_preemption_disabled+0x48/0x280
[  644.483068]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  644.488013]  ? kasan_check_read+0x11/0x20
[  644.492190]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  644.497466]  ? rcu_softirq_qs+0x20/0x20
[  644.501454]  ? filemap_map_pages+0xd92/0x1a20
[  644.505963]  ? find_get_entries_tag+0x1400/0x1400
[  644.510832]  ? debug_object_destroy+0x2b0/0x2b0
[  644.515516]  ? lock_pi_update_atomic+0x150/0x150
[  644.520288]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.525883]  ? lock_acquire+0x1ed/0x520
[  644.529868]  ? ext4_filemap_fault+0x7a/0xad
[  644.534236]  ? lock_release+0xa00/0xa00
[  644.538217]  ? perf_trace_sched_process_exec+0x860/0x860
[  644.543667]  ? print_usage_bug+0xc0/0xc0
[  644.547727]  ? print_usage_bug+0xc0/0xc0
[  644.551816]  ? down_read+0x8d/0x120
[  644.555441]  ? ext4_filemap_fault+0x7a/0xad
[  644.559765]  ? __down_interruptible+0x700/0x700
[  644.564460]  ext4_filemap_fault+0x82/0xad
[  644.568608]  __do_fault+0x100/0x6b0
[  644.572244]  ? release_sock+0x1ec/0x2c0
[  644.576225]  ? pmd_devmap_trans_unstable+0x220/0x220
[  644.581333]  ? mark_held_locks+0x130/0x130
[  644.585575]  ? mark_held_locks+0x130/0x130
[  644.589810]  ? lock_sock_nested+0x9a/0x120
[  644.594046]  ? __release_sock+0x3a0/0x3a0
[  644.598194]  ? __local_bh_enable_ip+0x160/0x260
[  644.602867]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  644.608408]  __handle_mm_fault+0x3ea0/0x5be0
[  644.612825]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  644.617666]  ? apparmor_socket_sendmsg+0x29/0x30
[  644.622428]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.627971]  ? security_socket_sendmsg+0x94/0xc0
[  644.632730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.638287]  ? zap_class+0x640/0x640
[  644.641999]  ? zap_class+0x640/0x640
[  644.645709]  ? __x64_sys_futex+0x53e/0x6a0
[  644.649948]  ? find_held_lock+0x36/0x1c0
[  644.654016]  ? handle_mm_fault+0x42a/0xc70
[  644.658254]  ? lock_downgrade+0x900/0x900
[  644.662410]  ? check_preemption_disabled+0x48/0x280
[  644.667432]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  644.672372]  ? kasan_check_read+0x11/0x20
[  644.676522]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  644.681802]  ? rcu_softirq_qs+0x20/0x20
[  644.685780]  ? trace_hardirqs_off_caller+0x310/0x310
[  644.690887]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  644.696428]  ? check_preemption_disabled+0x48/0x280
[  644.701451]  handle_mm_fault+0x54f/0xc70
[  644.705518]  ? __handle_mm_fault+0x5be0/0x5be0
[  644.710129]  ? find_vma+0x34/0x190
[  644.713679]  __do_page_fault+0x5e8/0xe60
[  644.717742]  ? trace_hardirqs_off+0xb8/0x310
[  644.722151]  ? __ia32_sys_read+0xb0/0xb0
[  644.726236]  do_page_fault+0xf2/0x7e0
[  644.730065]  ? vmalloc_sync_all+0x30/0x30
[  644.734216]  ? error_entry+0x70/0xd0
[  644.737929]  ? trace_hardirqs_off_caller+0xbb/0x310
[  644.742943]  ? trace_hardirqs_on_caller+0xc0/0x310
[  644.747867]  ? syscall_return_slowpath+0x5e0/0x5e0
[  644.752825]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  644.757698]  ? trace_hardirqs_on_caller+0x310/0x310
[  644.762715]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  644.768181]  ? prepare_exit_to_usermode+0x291/0x3b0
[  644.773206]  ? page_fault+0x8/0x30
[  644.776762]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  644.781634]  ? page_fault+0x8/0x30
[  644.785167]  page_fault+0x1e/0x30
[  644.788612] RIP: 0033:0x45ddf3
[  644.791826] Code: Bad RIP value.
[  644.795180] RSP: 002b:000000c420023ea0 EFLAGS: 00010202
[  644.800538] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
[  644.807829] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  644.815095] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  644.822362] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  644.829627] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
[  644.836918] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304
[  644.836924] warn_alloc_show_mem: 1 callbacks suppressed
[  644.836930] Mem-Info:
[  644.844197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  644.849562] active_anon:59588 inactive_anon:187 isolated_anon:0
[  644.849562]  active_file:13 inactive_file:14 isolated_file:0
[  644.849562]  unevictable:0 dirty:0 writeback:0 unstable:0
[  644.849562]  slab_reclaimable:10147 slab_unreclaimable:1445690
[  644.849562]  mapped:49154 shmem:244 pagetables:690 bounce:0
[  644.849562]  free:13773 free_pcp:174 free_cma:0
[  644.851935] Call Trace:
[  644.861325] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  644.894258]  <IRQ>
[  644.896835] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  644.924334]  dump_stack+0x244/0x39d
[  644.926455] lowmem_reserve[]: 0 2818 6321 6321
[  644.952561]  ? dump_stack_print_info.cold.1+0x20/0x20
[  644.956162] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  644.960745]  warn_alloc.cold.116+0xb7/0x1bd
[  644.965902] lowmem_reserve[]: 0 0 3503 3503
[  644.993400]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  644.997708] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB
[  645.002047]  ? lock_downgrade+0x900/0x900
[  645.006859] lowmem_reserve[]: 0 0 0 0
[  645.035744]  ? trace_hardirqs_off+0xb8/0x310
[  645.039866] 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
[  645.043663]  ? trace_hardirqs_off+0xb8/0x310
[  645.048043] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
[  645.061837]  __alloc_pages_slowpath+0x2651/0x2de0
[  645.066236] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  645.082232]  ? warn_alloc+0x120/0x120
[  645.087043] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  645.100643]  ? print_usage_bug+0xc0/0xc0
[  645.104423] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  645.113245]  ? warn_alloc+0x120/0x120
[  645.117289] 271 total pagecache pages
[  645.125854]  ? warn_alloc+0x120/0x120
[  645.129638] 0 pages in swap cache
[  645.133424]  ? print_usage_bug+0xc0/0xc0
[  645.137220] Swap cache stats: add 0, delete 0, find 0/0
[  645.140664]  ? kvm_clock_read+0x18/0x30
[  645.144700] Free swap  = 0kB
[  645.150063]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  645.154013] Total swap = 0kB
[  645.157040]  ? print_usage_bug+0xc0/0xc0
[  645.162025] 1965979 pages RAM
[  645.165057]  ? __lock_acquire+0x62f/0x4c20
[  645.169092] 0 pages HighMem/MovableOnly
[  645.172211]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  645.176425] 342854 pages reserved
[  645.180394]  ? should_fail+0x22d/0xd01
[  645.185907] 0 pages cma reserved
[  645.189357]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  645.193324] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  645.196583]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  645.202781] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  645.208340]  ? __lock_acquire+0x62f/0x4c20
[  645.213419] syz-fuzzer cpuset=/ mems_allowed=0
[  645.223642]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  645.237512]  ? __lock_acquire+0x62f/0x4c20
[  645.241760]  ? should_fail+0x22d/0xd01
[  645.245665]  ? rcu_irq_exit+0x1a2/0x390
[  645.249676]  ? mark_held_locks+0x130/0x130
[  645.253928]  ? mark_held_locks+0x130/0x130
[  645.258186]  ? mark_held_locks+0xc7/0x130
[  645.262332]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  645.267363]  ? zap_class+0x640/0x640
[  645.271093]  ? print_usage_bug+0xc0/0xc0
[  645.275157]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  645.280696]  ? check_preemption_disabled+0x48/0x280
[  645.285721]  ? __lock_is_held+0xb5/0x140
[  645.289803]  __alloc_pages_nodemask+0xad8/0xea0
[  645.294471]  ? zap_class+0x640/0x640
[  645.298190]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  645.303216]  ? find_held_lock+0x36/0x1c0
[  645.307295]  ? ____cache_alloc_node+0x1c7/0x1e0
[  645.311969]  ? lock_downgrade+0x900/0x900
[  645.316156]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  645.321697]  cache_grow_begin+0xa5/0x8c0
[  645.325755]  ? do_raw_spin_unlock+0xa7/0x330
[  645.330186]  fallback_alloc+0x204/0x2e0
[  645.334182]  ____cache_alloc_node+0x1c7/0x1e0
[  645.338698]  kmem_cache_alloc_node+0xe3/0x730
[  645.343195]  ? ipv6_get_ifaddr+0x42e/0x620
[  645.347445]  __alloc_skb+0x119/0x770
[  645.351163]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  645.356442]  ? netdev_alloc_frag+0x1f0/0x1f0
[  645.360869]  ? lock_downgrade+0x900/0x900
[  645.365031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  645.370583]  ? refcount_sub_and_test_checked+0x203/0x310
[  645.376043]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  645.381494]  ? addrconf_rs_timer+0x690/0x690
[  645.385915]  ndisc_alloc_skb+0x144/0x340
[  645.389985]  ndisc_send_rs+0x331/0x6e0
[  645.393877]  addrconf_rs_timer+0x314/0x690
[  645.398136]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  645.402424]  call_timer_fn+0x272/0x920
[  645.406312]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  645.410545]  ? process_timeout+0x40/0x40
[  645.414618]  ? __run_timers+0x7da/0xc70
[  645.418596]  ? _raw_spin_unlock_irq+0x27/0x80
[  645.423093]  ? _raw_spin_unlock_irq+0x27/0x80
[  645.427587]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  645.431824]  ? lockdep_hardirqs_on+0x296/0x5b0
[  645.436408]  ? trace_hardirqs_on+0xbd/0x310
[  645.440733]  ? kasan_check_read+0x11/0x20
[  645.444878]  ? __run_timers+0x7da/0xc70
[  645.448856]  ? trace_hardirqs_off_caller+0x310/0x310
[  645.453964]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  645.458221]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  645.462453]  __run_timers+0x7e5/0xc70
[  645.466287]  ? timer_fixup_init+0x70/0x70
[  645.470441]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  645.475460]  ? zap_class+0x640/0x640
[  645.479181]  ? enqueue_hrtimer+0x1a5/0x560
[  645.483419]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  645.488617]  ? find_held_lock+0x36/0x1c0
[  645.492687]  ? zap_class+0x640/0x640
[  645.496404]  ? pvclock_read_flags+0x160/0x160
[  645.500900]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  645.506461]  ? check_preemption_disabled+0x48/0x280
[  645.511489]  ? __lock_is_held+0xb5/0x140
[  645.515549]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  645.521087]  ? check_preemption_disabled+0x48/0x280
[  645.526122]  run_timer_softirq+0x52/0xb0
[  645.530184]  ? rcu_read_lock_sched_held+0x14f/0x180
[  645.535206]  __do_softirq+0x308/0xb7e
[  645.539012]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  645.543524]  ? lock_downgrade+0x900/0x900
[  645.547693]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  645.552803]  ? pvclock_read_flags+0x160/0x160
[  645.557303]  ? lapic_next_event+0x5a/0x90
[  645.561453]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  645.566996]  ? kvm_clock_read+0x18/0x30
[  645.570980]  ? kvm_sched_clock_read+0x9/0x20
[  645.575391]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  645.580933]  ? check_preemption_disabled+0x48/0x280
[  645.585959]  irq_exit+0x17f/0x1c0
[  645.589418]  smp_apic_timer_interrupt+0x1cb/0x760
[  645.594271]  ? smp_reschedule_interrupt+0x109/0x650
[  645.599315]  ? smp_call_function_single_interrupt+0x650/0x650
[  645.605216]  ? interrupt_entry+0xb5/0xc0
[  645.609288]  ? trace_hardirqs_off_caller+0xbb/0x310
[  645.614306]  ? trace_hardirqs_off_caller+0xbb/0x310
[  645.619329]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  645.624174]  ? trace_hardirqs_on_caller+0x310/0x310
[  645.629189]  ? trace_hardirqs_on_caller+0x310/0x310
[  645.634271]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  645.639124]  apic_timer_interrupt+0xf/0x20
[  645.643354]  </IRQ>
[  645.645600] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  645.651488] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
[  645.670389] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  645.678096] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  645.685411] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286
[  645.692675] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000
[  645.699960] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40
[  645.707241] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286
[  645.714558]  ? save_stack+0xa9/0xd0
[  645.718202]  __kmalloc_node_track_caller+0x3c/0x70
[  645.723154]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  645.727932]  pskb_expand_head+0x230/0x10f0
[  645.732170]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  645.737627]  ? memcpy+0x45/0x50
[  645.740913]  ? __copy_skb_header+0x350/0x6b0
[  645.745326]  ? skb_release_data+0x880/0x880
[  645.749650]  ? __alloc_skb+0x770/0x770
[  645.753548]  ? __lock_is_held+0xb5/0x140
[  645.757622]  ? kasan_check_write+0x14/0x20
[  645.762299]  ? __skb_clone+0x6c7/0xa00
[  645.766210]  ? __copy_skb_header+0x6b0/0x6b0
[  645.770617]  ? kmem_cache_alloc+0x33a/0x730
[  645.774944]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  645.780495]  skb_ensure_writable+0x3dd/0x640
[  645.784910]  ? skb_checksum_setup+0xaa0/0xaa0
[  645.789410]  ? preempt_notifier_register+0x200/0x200
[  645.794514]  ? __switch_to_asm+0x34/0x70
[  645.798578]  ? __switch_to_asm+0x34/0x70
[  645.802648]  ? __switch_to_asm+0x40/0x70
[  645.806706]  ? __switch_to_asm+0x34/0x70
[  645.810768]  ? __switch_to_asm+0x40/0x70
[  645.814831]  ? __switch_to_asm+0x40/0x70
[  645.818893]  ? __switch_to_asm+0x34/0x70
[  645.822953]  ? __switch_to_asm+0x34/0x70
[  645.827013]  ? __switch_to_asm+0x40/0x70
[  645.831079]  ? __switch_to_asm+0x34/0x70
[  645.835147]  bpf_clone_redirect+0x14a/0x490
[  645.839478]  bpf_prog_12ab75334035c288+0xfcd/0x1000
[  645.844502]  ? __sched_text_start+0x8/0x8
[  645.848656]  ? retint_kernel+0x2d/0x2d
[  645.852553]  ? find_held_lock+0x36/0x1c0
[  645.856624]  ? lock_acquire+0x1ed/0x520
[  645.860601]  ? bpf_test_run+0x3cb/0x780
[  645.864577]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  645.870118]  ? check_preemption_disabled+0x48/0x280
[  645.875141]  ? kasan_check_read+0x11/0x20
[  645.879303]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  645.884581]  ? rcu_softirq_qs+0x20/0x20
[  645.888563]  ? preempt_schedule+0x4d/0x60
[  645.892713]  ? ___preempt_schedule+0x16/0x18
[  645.897134]  ? bpf_test_run+0x25d/0x780
[  645.901125]  ? netlink_diag_dump+0x2a0/0x2a0
[  645.905539]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  645.911079]  ? bpf_test_init.isra.10+0x70/0x100
[  645.915755]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  645.920523]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  645.925370]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  645.930913]  ? fput+0x130/0x1a0
[  645.934200]  ? __bpf_prog_get+0x9b/0x290
[  645.938293]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  645.943146]  ? bpf_prog_test_run+0x130/0x1a0
[  645.947563]  ? __x64_sys_bpf+0x3d8/0x520
[  645.951625]  ? bpf_prog_get+0x20/0x20
[  645.955446]  ? do_syscall_64+0x1b9/0x820
[  645.959511]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  645.965016]  ? syscall_return_slowpath+0x5e0/0x5e0
[  645.969976]  ? trace_hardirqs_on_caller+0x310/0x310
[  645.974997]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  645.980024]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  645.986697]  ? __switch_to_asm+0x40/0x70
[  645.990783]  ? __switch_to_asm+0x34/0x70
[  645.994852]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  645.999703]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  646.005106] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
[  646.005217] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  646.012119] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  646.012128] Call Trace:
[  646.018694] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  646.027954]  <IRQ>
[  646.030535] syz-executor3 cpuset=syz3 mems_allowed=0
[  646.041016]  dump_stack+0x244/0x39d
[  646.051878]  ? dump_stack_print_info.cold.1+0x20/0x20
[  646.057081]  warn_alloc.cold.116+0xb7/0x1bd
[  646.061407]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  646.066258]  ? lock_downgrade+0x900/0x900
[  646.070426]  ? trace_hardirqs_off+0xb8/0x310
[  646.074873]  ? trace_hardirqs_off+0xb8/0x310
[  646.079297]  __alloc_pages_slowpath+0x2651/0x2de0
[  646.084171]  ? warn_alloc+0x120/0x120
[  646.087997]  ? warn_alloc+0x120/0x120
[  646.091804]  ? warn_alloc+0x120/0x120
[  646.095613]  ? __bpf_trace_xdp_cpumap_enqueue+0x40/0x40
[  646.100984]  ? print_usage_bug+0xc0/0xc0
[  646.105048]  ? is_bpf_text_address+0xac/0x170
[  646.109563]  ? print_usage_bug+0xc0/0xc0
[  646.113656]  ? kasan_check_read+0x11/0x20
[  646.117807]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  646.123357]  ? should_fail+0x22d/0xd01
[  646.127262]  ? rcu_softirq_qs+0x20/0x20
[  646.131252]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  646.136384]  ? __lock_acquire+0x62f/0x4c20
[  646.140640]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  646.145744]  ? __lock_acquire+0x62f/0x4c20
[  646.149975]  ? should_fail+0x22d/0xd01
[  646.153874]  ? mark_held_locks+0x130/0x130
[  646.158116]  ? mark_held_locks+0x130/0x130
[  646.162372]  ? try_to_wake_up+0x11c/0x1490
[  646.166607]  ? lock_downgrade+0x900/0x900
[  646.170760]  ? save_stack_trace+0x1a/0x20
[  646.174925]  ? zap_class+0x640/0x640
[  646.178651]  ? print_usage_bug+0xc0/0xc0
[  646.182728]  ? trace_hardirqs_off+0xb8/0x310
[  646.187144]  ? kasan_check_read+0x11/0x20
[  646.191313]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  646.196868]  ? check_preemption_disabled+0x48/0x280
[  646.201902]  ? __lock_is_held+0xb5/0x140
[  646.205986]  __alloc_pages_nodemask+0xad8/0xea0
[  646.210674]  ? zap_class+0x640/0x640
[  646.214429]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  646.219481]  ? find_held_lock+0x36/0x1c0
[  646.223557]  ? ____cache_alloc_node+0x1c7/0x1e0
[  646.228232]  ? lock_downgrade+0x900/0x900
[  646.232394]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  646.237938]  cache_grow_begin+0xa5/0x8c0
[  646.242016]  ? do_raw_spin_unlock+0xa7/0x330
[  646.246433]  fallback_alloc+0x204/0x2e0
[  646.250416]  ____cache_alloc_node+0x1c7/0x1e0
[  646.254927]  kmem_cache_alloc_node+0xe3/0x730
[  646.259426]  ? ipv6_get_ifaddr+0x42e/0x620
[  646.263678]  __alloc_skb+0x119/0x770
[  646.267392]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  646.272677]  ? netdev_alloc_frag+0x1f0/0x1f0
[  646.277085]  ? lock_downgrade+0x900/0x900
[  646.281242]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  646.286788]  ? refcount_sub_and_test_checked+0x203/0x310
[  646.292246]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  646.297709]  ? addrconf_rs_timer+0x690/0x690
[  646.302132]  ndisc_alloc_skb+0x144/0x340
[  646.306198]  ndisc_send_rs+0x331/0x6e0
[  646.310103]  addrconf_rs_timer+0x314/0x690
[  646.314355]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  646.318618]  call_timer_fn+0x272/0x920
[  646.322507]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  646.326746]  ? process_timeout+0x40/0x40
[  646.330840]  ? mark_held_locks+0xc7/0x130
[  646.334994]  ? _raw_spin_unlock_irq+0x27/0x80
[  646.339489]  ? _raw_spin_unlock_irq+0x27/0x80
[  646.343982]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  646.348221]  ? lockdep_hardirqs_on+0x296/0x5b0
[  646.352810]  ? trace_hardirqs_on+0xbd/0x310
[  646.357134]  ? kasan_check_read+0x11/0x20
[  646.361288]  ? __run_timers+0x7da/0xc70
[  646.365264]  ? trace_hardirqs_off_caller+0x310/0x310
[  646.370392]  ? __queue_work+0x1440/0x1440
[  646.374550]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  646.378787]  __run_timers+0x7e5/0xc70
[  646.382600]  ? timer_fixup_init+0x70/0x70
[  646.386767]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  646.391831]  ? zap_class+0x640/0x640
[  646.395569]  ? print_usage_bug+0xc0/0xc0
[  646.399633]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  646.404831]  ? find_held_lock+0x36/0x1c0
[  646.408898]  ? zap_class+0x640/0x640
[  646.412621]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  646.418158]  ? check_preemption_disabled+0x48/0x280
[  646.423229]  ? __lock_is_held+0xb5/0x140
[  646.427300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  646.432855]  ? check_preemption_disabled+0x48/0x280
[  646.437886]  run_timer_softirq+0x52/0xb0
[  646.441950]  ? rcu_read_lock_sched_held+0x14f/0x180
[  646.446974]  __do_softirq+0x308/0xb7e
[  646.450810]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  646.455324]  ? lock_downgrade+0x900/0x900
[  646.459478]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  646.464594]  ? pvclock_read_flags+0x160/0x160
[  646.469097]  ? lapic_next_event+0x5a/0x90
[  646.473252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  646.478802]  ? kvm_clock_read+0x18/0x30
[  646.482777]  ? kvm_sched_clock_read+0x9/0x20
[  646.487186]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  646.492723]  ? check_preemption_disabled+0x48/0x280
[  646.497750]  irq_exit+0x17f/0x1c0
[  646.501206]  smp_apic_timer_interrupt+0x1cb/0x760
[  646.506053]  ? smp_call_function_single_interrupt+0x159/0x650
[  646.511941]  ? smp_call_function_single_interrupt+0x650/0x650
[  646.517824]  ? interrupt_entry+0xb5/0xc0
[  646.521887]  ? trace_hardirqs_off_caller+0xbb/0x310
[  646.526902]  ? trace_hardirqs_off_caller+0xbb/0x310
[  646.531930]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  646.536774]  ? trace_hardirqs_on_caller+0x310/0x310
[  646.541789]  ? trace_hardirqs_on_caller+0x310/0x310
[  646.546846]  ? task_prio+0x50/0x50
[  646.550401]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  646.555958]  ? check_preemption_disabled+0x48/0x280
[  646.560996]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  646.565851]  apic_timer_interrupt+0xf/0x20
[  646.570094]  </IRQ>
[  646.572351] RIP: 0010:rcu_is_watching+0x0/0x30
[  646.576936] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
[  646.595835] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  646.603551] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
[  646.610817] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
[  646.618084] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
[  646.625354] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
[  646.632624] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  646.639925]  ? list_lru_count_one+0x253/0x450
[  646.644420]  ? list_lru_count_one+0x35d/0x450
[  646.648921]  ? list_lru_count_one+0x362/0x450
[  646.653417]  ? list_lru_isolate_move+0x3c0/0x3c0
[  646.658172]  ? shmem_free_inode+0xd0/0xd0
[  646.662340]  ? __lock_is_held+0xb5/0x140
[  646.666414]  super_cache_count+0x1b9/0x2e0
[  646.670658]  do_shrink_slab+0x1b1/0xd30
[  646.674646]  ? snapshot_refaults+0x290/0x290
[  646.679053]  ? lock_release+0xa00/0xa00
[  646.683047]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  646.688033]  ? down_read_trylock+0xda/0x140
[  646.692350]  ? shrink_slab+0x207/0x8c0
[  646.696237]  ? downgrade_write+0x270/0x270
[  646.700491]  shrink_slab+0x389/0x8c0
[  646.704209]  ? shrink_active_list+0x1f00/0x1f00
[  646.708886]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  646.714515]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  646.719629]  ? cgroup_procs_write_finish+0xf0/0xf0
[  646.724567]  ? find_held_lock+0x36/0x1c0
[  646.728672]  shrink_node+0x431/0x16b0
[  646.732490]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  646.737823]  ? shrink_node_memcg+0x18f0/0x18f0
[  646.742412]  ? kvm_clock_read+0x18/0x30
[  646.746387]  ? ktime_get+0x2c1/0x400
[  646.750109]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  646.754607]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  646.760144]  ? __cpuset_node_allowed+0x19b/0x660
[  646.764905]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  646.770621]  ? delayacct_end+0x5a/0x100
[  646.774608]  do_try_to_free_pages+0x3e7/0x1290
[  646.779188]  ? zap_class+0x640/0x640
[  646.782920]  ? shrink_node+0x16b0/0x16b0
[  646.786983]  ? __lock_is_held+0xb5/0x140
[  646.791091]  try_to_free_pages+0x4d0/0xb90
[  646.795332]  ? do_try_to_free_pages+0x1290/0x1290
[  646.800208]  ? lock_acquire+0x1ed/0x520
[  646.804183]  ? set_page_refcounted+0x280/0x280
[  646.808790]  ? lock_release+0xa00/0xa00
[  646.812783]  ? _raw_spin_unlock_irq+0x60/0x80
[  646.817288]  ? psi_memstall_enter+0x240/0x2b0
[  646.821811]  ? psi_memstall_tick+0x230/0x230
[  646.826235]  __alloc_pages_slowpath+0xa48/0x2de0
[  646.831030]  ? warn_alloc+0x120/0x120
[  646.834833]  ? mark_held_locks+0x130/0x130
[  646.839089]  ? find_get_entry+0xaae/0x1120
[  646.843341]  ? filemap_map_pages+0x1a20/0x1a20
[  646.847934]  ? zap_class+0x640/0x640
[  646.851658]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  646.857202]  ? check_preemption_disabled+0x48/0x280
[  646.862219]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  646.867773]  ? should_fail+0x22d/0xd01
[  646.871664]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  646.876767]  ? zap_class+0x640/0x640
[  646.880511]  ? __lock_is_held+0xb5/0x140
[  646.884587]  ? mark_held_locks+0x130/0x130
[  646.888826]  ? lock_release+0xa00/0xa00
[  646.892801]  ? perf_trace_sched_process_exec+0x860/0x860
[  646.898250]  ? xa_load+0x2ba/0x460
[  646.901800]  ? lock_downgrade+0x900/0x900
[  646.905972]  ? __might_sleep+0x95/0x190
[  646.909956]  __alloc_pages_nodemask+0xad8/0xea0
[  646.914638]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  646.919660]  ? __page_cache_alloc+0x191/0x5c0
[  646.924187]  ? xa_load+0x2e1/0x460
[  646.927757]  ? xa_clear_mark+0x40/0x40
[  646.931647]  ? zap_class+0x640/0x640
[  646.935375]  ? zap_class+0x640/0x640
[  646.939087]  ? zap_class+0x640/0x640
[  646.942800]  ? __do_page_cache_readahead+0x663/0x810
[  646.947911]  ? find_held_lock+0x36/0x1c0
[  646.951981]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  646.957535]  alloc_pages_current+0x173/0x350
[  646.961954]  __page_cache_alloc+0x38c/0x5c0
[  646.966282]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  646.971217]  ? kasan_check_read+0x11/0x20
[  646.975365]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  646.980672]  ? generic_perform_write+0x6a0/0x6a0
[  646.985430]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  646.990981]  ? check_preemption_disabled+0x48/0x280
[  646.996021]  filemap_fault+0x1595/0x25f0
[  647.000097]  ? __lock_page_or_retry+0xa00/0xa00
[  647.004791]  ? mark_held_locks+0x130/0x130
[  647.009041]  ? filemap_map_pages+0xd6b/0x1a20
[  647.013561]  ? lock_downgrade+0x900/0x900
[  647.017725]  ? check_preemption_disabled+0x48/0x280
[  647.022747]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  647.027681]  ? kasan_check_read+0x11/0x20
[  647.031837]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  647.037114]  ? rcu_softirq_qs+0x20/0x20
[  647.041106]  ? filemap_map_pages+0xd92/0x1a20
[  647.045617]  ? find_get_entries_tag+0x1400/0x1400
[  647.050465]  ? debug_object_destroy+0x2b0/0x2b0
[  647.055136]  ? lock_pi_update_atomic+0x150/0x150
[  647.059907]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  647.065476]  ? lock_acquire+0x1ed/0x520
[  647.069449]  ? ext4_filemap_fault+0x7a/0xad
[  647.073809]  ? lock_release+0xa00/0xa00
[  647.077831]  ? perf_trace_sched_process_exec+0x860/0x860
[  647.083289]  ? print_usage_bug+0xc0/0xc0
[  647.087359]  ? print_usage_bug+0xc0/0xc0
[  647.091435]  ? down_read+0x8d/0x120
[  647.095102]  ? ext4_filemap_fault+0x7a/0xad
[  647.099427]  ? __down_interruptible+0x700/0x700
[  647.104107]  ext4_filemap_fault+0x82/0xad
[  647.108257]  __do_fault+0x100/0x6b0
[  647.111895]  ? release_sock+0x1ec/0x2c0
[  647.115872]  ? pmd_devmap_trans_unstable+0x220/0x220
[  647.120981]  ? mark_held_locks+0x130/0x130
[  647.125263]  ? mark_held_locks+0x130/0x130
[  647.129531]  ? lock_sock_nested+0x9a/0x120
[  647.133772]  ? __release_sock+0x3a0/0x3a0
[  647.137925]  ? __local_bh_enable_ip+0x160/0x260
[  647.142598]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  647.148148]  __handle_mm_fault+0x3ea0/0x5be0
[  647.152604]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  647.157447]  ? apparmor_socket_sendmsg+0x29/0x30
[  647.162205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  647.167744]  ? security_socket_sendmsg+0x94/0xc0
[  647.172508]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  647.178079]  ? zap_class+0x640/0x640
[  647.181792]  ? zap_class+0x640/0x640
[  647.185502]  ? __x64_sys_futex+0x53e/0x6a0
[  647.189742]  ? find_held_lock+0x36/0x1c0
[  647.193813]  ? handle_mm_fault+0x42a/0xc70
[  647.198051]  ? lock_downgrade+0x900/0x900
[  647.202201]  ? check_preemption_disabled+0x48/0x280
[  647.207219]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  647.212147]  ? kasan_check_read+0x11/0x20
[  647.216300]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  647.221601]  ? rcu_softirq_qs+0x20/0x20
[  647.225580]  ? trace_hardirqs_off_caller+0x310/0x310
[  647.230686]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  647.236227]  ? check_preemption_disabled+0x48/0x280
[  647.241253]  handle_mm_fault+0x54f/0xc70
[  647.245327]  ? __handle_mm_fault+0x5be0/0x5be0
[  647.249916]  ? find_vma+0x34/0x190
[  647.253462]  __do_page_fault+0x5e8/0xe60
[  647.257524]  ? trace_hardirqs_off+0xb8/0x310
[  647.261954]  ? __ia32_sys_read+0xb0/0xb0
[  647.266027]  do_page_fault+0xf2/0x7e0
[  647.269829]  ? vmalloc_sync_all+0x30/0x30
[  647.273992]  ? error_entry+0x70/0xd0
[  647.277750]  ? trace_hardirqs_off_caller+0xbb/0x310
[  647.282782]  ? trace_hardirqs_on_caller+0xc0/0x310
[  647.287710]  ? syscall_return_slowpath+0x5e0/0x5e0
[  647.292639]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  647.297486]  ? trace_hardirqs_on_caller+0x310/0x310
[  647.302516]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  647.307972]  ? prepare_exit_to_usermode+0x291/0x3b0
[  647.312991]  ? page_fault+0x8/0x30
[  647.316555]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  647.321403]  ? page_fault+0x8/0x30
[  647.324946]  page_fault+0x1e/0x30
[  647.328403] RIP: 0033:0x45ddf3
[  647.331612] Code: Bad RIP value.
[  647.334973] RSP: 002b:000000c420023ea0 EFLAGS: 00010202
[  647.340334] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
[  647.347602] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  647.354871] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  647.362137] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  647.369407] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
[  647.376700] warn_alloc_show_mem: 1 callbacks suppressed
[  647.376712] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304
[  647.376714] Mem-Info:
[  647.376745] active_anon:59588 inactive_anon:187 isolated_anon:0
[  647.376745]  active_file:13 inactive_file:14 isolated_file:0
[  647.376745]  unevictable:0 dirty:0 writeback:0 unstable:0
[  647.376745]  slab_reclaimable:10147 slab_unreclaimable:1445690
[  647.376745]  mapped:49154 shmem:244 pagetables:690 bounce:0
[  647.376745]  free:13773 free_pcp:174 free_cma:0
[  647.382089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  647.389371] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  647.391771] Call Trace:
[  647.424743] 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
[  647.434088]  <IRQ>
[  647.461566] lowmem_reserve[]: 0 2818 6321 6321
[  647.464177]  dump_stack+0x244/0x39d
[  647.490305] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  647.492459]  ? dump_stack_print_info.cold.1+0x20/0x20
[  647.497007] lowmem_reserve[]: 0 0 3503 3503
[  647.500647]  warn_alloc.cold.116+0xb7/0x1bd
[  647.528121] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB
[  647.533309]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  647.537601] lowmem_reserve[]: 0 0 0 0
[  647.541919]  ? lock_downgrade+0x900/0x900
[  647.570961] 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
[  647.575812]  ? trace_hardirqs_off+0xb8/0x310
[  647.579584] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
[  647.583748]  ? trace_hardirqs_off+0xb8/0x310
[  647.597248] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  647.601665]  __alloc_pages_slowpath+0x2651/0x2de0
[  647.617604] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  647.622033]  ? warn_alloc+0x120/0x120
[  647.635600] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  647.640436]  ? print_usage_bug+0xc0/0xc0
[  647.649244] 271 total pagecache pages
[  647.653051]  ? warn_alloc+0x120/0x120
[  647.661610] 0 pages in swap cache
[  647.665681]  ? warn_alloc+0x120/0x120
[  647.669457] Swap cache stats: add 0, delete 0, find 0/0
[  647.673254]  ? print_usage_bug+0xc0/0xc0
[  647.676686] Free swap  = 0kB
[  647.680482]  ? kvm_clock_read+0x18/0x30
[  647.685819] Total swap = 0kB
[  647.689875]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  647.692869] 1965979 pages RAM
[  647.696837]  ? print_usage_bug+0xc0/0xc0
[  647.699835] 0 pages HighMem/MovableOnly
[  647.704843]  ? __lock_acquire+0x62f/0x4c20
[  647.707924] 342854 pages reserved
[  647.711982]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  647.715929] 0 pages cma reserved
[  647.720156]  ? should_fail+0x22d/0xd01
[  647.723651] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  647.729136]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  647.732547] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  647.736394]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  647.742859] syz-fuzzer cpuset=/ mems_allowed=0
[  647.748133]  ? __lock_acquire+0x62f/0x4c20
[  647.772233]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  647.777346]  ? __lock_acquire+0x62f/0x4c20
[  647.781577]  ? should_fail+0x22d/0xd01
[  647.785464]  ? rcu_irq_exit+0x1a2/0x390
[  647.789447]  ? mark_held_locks+0x130/0x130
[  647.793705]  ? mark_held_locks+0x130/0x130
[  647.797946]  ? mark_held_locks+0xc7/0x130
[  647.802098]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  647.807130]  ? zap_class+0x640/0x640
[  647.810846]  ? print_usage_bug+0xc0/0xc0
[  647.814914]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  647.820458]  ? check_preemption_disabled+0x48/0x280
[  647.825488]  ? __lock_is_held+0xb5/0x140
[  647.829571]  __alloc_pages_nodemask+0xad8/0xea0
[  647.834253]  ? zap_class+0x640/0x640
[  647.838005]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  647.843041]  ? find_held_lock+0x36/0x1c0
[  647.847122]  ? ____cache_alloc_node+0x1c7/0x1e0
[  647.851814]  ? lock_downgrade+0x900/0x900
[  647.855971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  647.861530]  cache_grow_begin+0xa5/0x8c0
[  647.865593]  ? do_raw_spin_unlock+0xa7/0x330
[  647.870010]  fallback_alloc+0x204/0x2e0
[  647.874014]  ____cache_alloc_node+0x1c7/0x1e0
[  647.878520]  kmem_cache_alloc_node+0xe3/0x730
[  647.883020]  ? ipv6_get_ifaddr+0x42e/0x620
[  647.887299]  __alloc_skb+0x119/0x770
[  647.891014]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  647.896321]  ? netdev_alloc_frag+0x1f0/0x1f0
[  647.900730]  ? lock_downgrade+0x900/0x900
[  647.904905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  647.910446]  ? refcount_sub_and_test_checked+0x203/0x310
[  647.915899]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  647.921352]  ? addrconf_rs_timer+0x690/0x690
[  647.925786]  ndisc_alloc_skb+0x144/0x340
[  647.929851]  ndisc_send_rs+0x331/0x6e0
[  647.933765]  addrconf_rs_timer+0x314/0x690
[  647.938006]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  647.942251]  call_timer_fn+0x272/0x920
[  647.946142]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  647.950380]  ? process_timeout+0x40/0x40
[  647.954453]  ? __run_timers+0x7da/0xc70
[  647.958431]  ? _raw_spin_unlock_irq+0x27/0x80
[  647.963097]  ? _raw_spin_unlock_irq+0x27/0x80
[  647.967594]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  647.971830]  ? lockdep_hardirqs_on+0x296/0x5b0
[  647.976592]  ? trace_hardirqs_on+0xbd/0x310
[  647.980916]  ? kasan_check_read+0x11/0x20
[  647.985061]  ? __run_timers+0x7da/0xc70
[  647.989044]  ? trace_hardirqs_off_caller+0x310/0x310
[  647.994150]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  647.998390]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  648.002628]  __run_timers+0x7e5/0xc70
[  648.006439]  ? timer_fixup_init+0x70/0x70
[  648.010589]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  648.015605]  ? zap_class+0x640/0x640
[  648.019333]  ? enqueue_hrtimer+0x1a5/0x560
[  648.023570]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  648.028798]  ? find_held_lock+0x36/0x1c0
[  648.032871]  ? zap_class+0x640/0x640
[  648.036606]  ? pvclock_read_flags+0x160/0x160
[  648.041112]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  648.046657]  ? check_preemption_disabled+0x48/0x280
[  648.051682]  ? __lock_is_held+0xb5/0x140
[  648.055758]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  648.061321]  ? check_preemption_disabled+0x48/0x280
[  648.066344]  run_timer_softirq+0x52/0xb0
[  648.070404]  ? rcu_read_lock_sched_held+0x14f/0x180
[  648.075428]  __do_softirq+0x308/0xb7e
[  648.079236]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  648.083738]  ? lock_downgrade+0x900/0x900
[  648.087908]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  648.093016]  ? pvclock_read_flags+0x160/0x160
[  648.098007]  ? lapic_next_event+0x5a/0x90
[  648.102166]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  648.107723]  ? kvm_clock_read+0x18/0x30
[  648.111697]  ? kvm_sched_clock_read+0x9/0x20
[  648.116120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  648.121663]  ? check_preemption_disabled+0x48/0x280
[  648.126692]  irq_exit+0x17f/0x1c0
[  648.130148]  smp_apic_timer_interrupt+0x1cb/0x760
[  648.134990]  ? smp_reschedule_interrupt+0x109/0x650
[  648.140008]  ? smp_call_function_single_interrupt+0x650/0x650
[  648.145900]  ? interrupt_entry+0xb5/0xc0
[  648.150054]  ? trace_hardirqs_off_caller+0xbb/0x310
[  648.155071]  ? trace_hardirqs_off_caller+0xbb/0x310
[  648.160090]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  648.164934]  ? trace_hardirqs_on_caller+0x310/0x310
[  648.169956]  ? trace_hardirqs_on_caller+0x310/0x310
[  648.174986]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  648.179838]  apic_timer_interrupt+0xf/0x20
[  648.184068]  </IRQ>
[  648.186327] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  648.192228] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
[  648.211139] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  648.218845] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  648.226111] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286
[  648.233377] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000
[  648.240653] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40
[  648.247925] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286
[  648.255230]  ? save_stack+0xa9/0xd0
[  648.258870]  __kmalloc_node_track_caller+0x3c/0x70
[  648.263802]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  648.268563]  pskb_expand_head+0x230/0x10f0
[  648.272799]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  648.278253]  ? memcpy+0x45/0x50
[  648.281542]  ? __copy_skb_header+0x350/0x6b0
[  648.285953]  ? skb_release_data+0x880/0x880
[  648.290282]  ? __alloc_skb+0x770/0x770
[  648.294180]  ? __lock_is_held+0xb5/0x140
[  648.298264]  ? kasan_check_write+0x14/0x20
[  648.302511]  ? __skb_clone+0x6c7/0xa00
[  648.306407]  ? __copy_skb_header+0x6b0/0x6b0
[  648.310861]  ? kmem_cache_alloc+0x33a/0x730
[  648.315187]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  648.320738]  skb_ensure_writable+0x3dd/0x640
[  648.325156]  ? skb_checksum_setup+0xaa0/0xaa0
[  648.329653]  ? preempt_notifier_register+0x200/0x200
[  648.334768]  ? __switch_to_asm+0x34/0x70
[  648.338828]  ? __switch_to_asm+0x34/0x70
[  648.342888]  ? __switch_to_asm+0x40/0x70
[  648.346947]  ? __switch_to_asm+0x34/0x70
[  648.351023]  ? __switch_to_asm+0x40/0x70
[  648.355089]  ? __switch_to_asm+0x40/0x70
[  648.359161]  ? __switch_to_asm+0x34/0x70
[  648.363234]  ? __switch_to_asm+0x34/0x70
[  648.367318]  ? __switch_to_asm+0x40/0x70
[  648.371393]  ? __switch_to_asm+0x34/0x70
[  648.375489]  bpf_clone_redirect+0x14a/0x490
[  648.379841]  bpf_prog_12ab75334035c288+0xfcd/0x1000
[  648.384862]  ? __sched_text_start+0x8/0x8
[  648.389011]  ? retint_kernel+0x2d/0x2d
[  648.392914]  ? find_held_lock+0x36/0x1c0
[  648.396986]  ? lock_acquire+0x1ed/0x520
[  648.400962]  ? bpf_test_run+0x3cb/0x780
[  648.404938]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  648.410496]  ? check_preemption_disabled+0x48/0x280
[  648.415520]  ? kasan_check_read+0x11/0x20
[  648.419671]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  648.424947]  ? rcu_softirq_qs+0x20/0x20
[  648.428924]  ? preempt_schedule+0x4d/0x60
[  648.433075]  ? ___preempt_schedule+0x16/0x18
[  648.437511]  ? bpf_test_run+0x25d/0x780
[  648.441502]  ? netlink_diag_dump+0x2a0/0x2a0
[  648.445919]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  648.451458]  ? bpf_test_init.isra.10+0x70/0x100
[  648.456134]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  648.460901]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  648.465746]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  648.471319]  ? fput+0x130/0x1a0
[  648.474609]  ? __bpf_prog_get+0x9b/0x290
[  648.478673]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  648.483512]  ? bpf_prog_test_run+0x130/0x1a0
[  648.487940]  ? __x64_sys_bpf+0x3d8/0x520
[  648.492001]  ? bpf_prog_get+0x20/0x20
[  648.495826]  ? do_syscall_64+0x1b9/0x820
[  648.499888]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  648.505254]  ? syscall_return_slowpath+0x5e0/0x5e0
[  648.510215]  ? trace_hardirqs_on_caller+0x310/0x310
[  648.515233]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  648.520282]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  648.526966]  ? __switch_to_asm+0x40/0x70
[  648.531032]  ? __switch_to_asm+0x34/0x70
[  648.535102]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  648.539958]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  648.545376] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
[  648.545476] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  648.552389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  648.552398] Call Trace:
[  648.559161] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  648.568228]  <IRQ>
[  648.570800] syz-executor3 cpuset=syz3 mems_allowed=0
[  648.581291]  dump_stack+0x244/0x39d
[  648.592133]  ? dump_stack_print_info.cold.1+0x20/0x20
[  648.597335]  warn_alloc.cold.116+0xb7/0x1bd
[  648.601659]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  648.606512]  ? lock_downgrade+0x900/0x900
[  648.610673]  ? trace_hardirqs_off+0xb8/0x310
[  648.615088]  ? trace_hardirqs_off+0xb8/0x310
[  648.619506]  __alloc_pages_slowpath+0x2651/0x2de0
[  648.624393]  ? warn_alloc+0x120/0x120
[  648.628197]  ? print_usage_bug+0xc0/0xc0
[  648.632257]  ? warn_alloc+0x120/0x120
[  648.636094]  ? warn_alloc+0x120/0x120
[  648.639910]  ? print_usage_bug+0xc0/0xc0
[  648.643976]  ? print_usage_bug+0xc0/0xc0
[  648.648055]  ? __lock_acquire+0x62f/0x4c20
[  648.652307]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  648.657847]  ? should_fail+0x22d/0xd01
[  648.661738]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  648.666847]  ? __lock_acquire+0x62f/0x4c20
[  648.671090]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  648.676194]  ? __lock_acquire+0x62f/0x4c20
[  648.680428]  ? should_fail+0x22d/0xd01
[  648.684351]  ? find_held_lock+0x36/0x1c0
[  648.688424]  ? mark_held_locks+0x130/0x130
[  648.692670]  ? mark_held_locks+0x130/0x130
[  648.696903]  ? zap_class+0x640/0x640
[  648.700632]  ? zap_class+0x640/0x640
[  648.704355]  ? print_usage_bug+0xc0/0xc0
[  648.708417]  ? do_raw_spin_unlock+0xa7/0x330
[  648.712830]  ? zap_class+0x640/0x640
[  648.716549]  ? print_usage_bug+0xc0/0xc0
[  648.720628]  ? wq_watchdog_touch+0x9c/0xfe
[  648.724870]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  648.730409]  ? check_preemption_disabled+0x48/0x280
[  648.735439]  ? __lock_is_held+0xb5/0x140
[  648.739508]  __alloc_pages_nodemask+0xad8/0xea0
[  648.744183]  ? zap_class+0x640/0x640
[  648.747903]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  648.752946]  ? find_held_lock+0x36/0x1c0
[  648.757018]  ? ____cache_alloc_node+0x1c7/0x1e0
[  648.761701]  ? lock_downgrade+0x900/0x900
[  648.765862]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  648.771406]  cache_grow_begin+0xa5/0x8c0
[  648.775470]  ? do_raw_spin_unlock+0xa7/0x330
[  648.779886]  fallback_alloc+0x204/0x2e0
[  648.783871]  ____cache_alloc_node+0x1c7/0x1e0
[  648.788372]  kmem_cache_alloc_node+0xe3/0x730
[  648.792899]  ? ipv6_get_ifaddr+0x42e/0x620
[  648.797144]  __alloc_skb+0x119/0x770
[  648.800877]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  648.806160]  ? netdev_alloc_frag+0x1f0/0x1f0
[  648.810569]  ? lock_downgrade+0x900/0x900
[  648.814725]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  648.820262]  ? refcount_sub_and_test_checked+0x203/0x310
[  648.825730]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  648.831211]  ? addrconf_rs_timer+0x690/0x690
[  648.835663]  ndisc_alloc_skb+0x144/0x340
[  648.839761]  ndisc_send_rs+0x331/0x6e0
[  648.843668]  addrconf_rs_timer+0x314/0x690
[  648.847914]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  648.852162]  call_timer_fn+0x272/0x920
[  648.856047]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  648.860292]  ? process_timeout+0x40/0x40
[  648.864366]  ? mark_held_locks+0xc7/0x130
[  648.868517]  ? _raw_spin_unlock_irq+0x27/0x80
[  648.873024]  ? _raw_spin_unlock_irq+0x27/0x80
[  648.877554]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  648.881787]  ? lockdep_hardirqs_on+0x296/0x5b0
[  648.886374]  ? trace_hardirqs_on+0xbd/0x310
[  648.890698]  ? kasan_check_read+0x11/0x20
[  648.894848]  ? __run_timers+0x7da/0xc70
[  648.898825]  ? trace_hardirqs_off_caller+0x310/0x310
[  648.903933]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  648.908172]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  648.912407]  __run_timers+0x7e5/0xc70
[  648.916235]  ? timer_fixup_init+0x70/0x70
[  648.920411]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  648.925433]  ? zap_class+0x640/0x640
[  648.929154]  ? print_usage_bug+0xc0/0xc0
[  648.933220]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  648.938417]  ? find_held_lock+0x36/0x1c0
[  648.942479]  ? zap_class+0x640/0x640
[  648.946195]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  648.951733]  ? check_preemption_disabled+0x48/0x280
[  648.956761]  ? __lock_is_held+0xb5/0x140
[  648.960823]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  648.966394]  ? check_preemption_disabled+0x48/0x280
[  648.971430]  run_timer_softirq+0x52/0xb0
[  648.975490]  ? rcu_read_lock_sched_held+0x14f/0x180
[  648.980505]  __do_softirq+0x308/0xb7e
[  648.984314]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  648.988814]  ? lock_downgrade+0x900/0x900
[  648.992988]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  648.998101]  ? pvclock_read_flags+0x160/0x160
[  649.002601]  ? lapic_next_event+0x5a/0x90
[  649.006756]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  649.012313]  ? kvm_clock_read+0x18/0x30
[  649.016295]  ? kvm_sched_clock_read+0x9/0x20
[  649.020712]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  649.026252]  ? check_preemption_disabled+0x48/0x280
[  649.031324]  irq_exit+0x17f/0x1c0
[  649.034780]  smp_apic_timer_interrupt+0x1cb/0x760
[  649.039622]  ? smp_call_function_single_interrupt+0x159/0x650
[  649.045521]  ? smp_call_function_single_interrupt+0x650/0x650
[  649.051428]  ? interrupt_entry+0xb5/0xc0
[  649.055494]  ? trace_hardirqs_off_caller+0xbb/0x310
[  649.060536]  ? trace_hardirqs_off_caller+0xbb/0x310
[  649.065591]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  649.070452]  ? trace_hardirqs_on_caller+0x310/0x310
[  649.075487]  ? trace_hardirqs_on_caller+0x310/0x310
[  649.080505]  ? task_prio+0x50/0x50
[  649.084126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  649.089700]  ? check_preemption_disabled+0x48/0x280
[  649.094728]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  649.099584]  apic_timer_interrupt+0xf/0x20
[  649.103817]  </IRQ>
[  649.106087] RIP: 0010:rcu_is_watching+0x0/0x30
[  649.110669] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
[  649.129570] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  649.137284] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
[  649.144558] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
[  649.151826] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
[  649.159099] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
[  649.166387] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  649.173676]  ? list_lru_count_one+0x253/0x450
[  649.178174]  ? list_lru_count_one+0x35d/0x450
[  649.182678]  ? list_lru_count_one+0x362/0x450
[  649.187178]  ? list_lru_isolate_move+0x3c0/0x3c0
[  649.191934]  ? shmem_free_inode+0xd0/0xd0
[  649.196087]  ? __lock_is_held+0xb5/0x140
[  649.200177]  super_cache_count+0x1b9/0x2e0
[  649.204420]  do_shrink_slab+0x1b1/0xd30
[  649.208424]  ? snapshot_refaults+0x290/0x290
[  649.212837]  ? lock_release+0xa00/0xa00
[  649.216822]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  649.221766]  ? down_read_trylock+0xda/0x140
[  649.226093]  ? shrink_slab+0x207/0x8c0
[  649.229983]  ? downgrade_write+0x270/0x270
[  649.234230]  shrink_slab+0x389/0x8c0
[  649.237944]  ? shrink_active_list+0x1f00/0x1f00
[  649.242623]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  649.248256]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  649.253379]  ? cgroup_procs_write_finish+0xf0/0xf0
[  649.258343]  ? find_held_lock+0x36/0x1c0
[  649.262414]  shrink_node+0x431/0x16b0
[  649.266216]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  649.271522]  ? shrink_node_memcg+0x18f0/0x18f0
[  649.276118]  ? kvm_clock_read+0x18/0x30
[  649.280096]  ? ktime_get+0x2c1/0x400
[  649.283813]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  649.288314]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  649.293855]  ? __cpuset_node_allowed+0x19b/0x660
[  649.298615]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  649.304333]  ? delayacct_end+0x5a/0x100
[  649.308324]  do_try_to_free_pages+0x3e7/0x1290
[  649.312906]  ? zap_class+0x640/0x640
[  649.316640]  ? shrink_node+0x16b0/0x16b0
[  649.320708]  ? __lock_is_held+0xb5/0x140
[  649.324786]  try_to_free_pages+0x4d0/0xb90
[  649.329028]  ? do_try_to_free_pages+0x1290/0x1290
[  649.333900]  ? lock_acquire+0x1ed/0x520
[  649.337877]  ? set_page_refcounted+0x280/0x280
[  649.342467]  ? lock_release+0xa00/0xa00
[  649.346444]  ? _raw_spin_unlock_irq+0x60/0x80
[  649.350941]  ? psi_memstall_enter+0x240/0x2b0
[  649.355450]  ? psi_memstall_tick+0x230/0x230
[  649.359888]  __alloc_pages_slowpath+0xa48/0x2de0
[  649.364698]  ? warn_alloc+0x120/0x120
[  649.368501]  ? mark_held_locks+0x130/0x130
[  649.372746]  ? find_get_entry+0xaae/0x1120
[  649.376989]  ? filemap_map_pages+0x1a20/0x1a20
[  649.381578]  ? zap_class+0x640/0x640
[  649.385307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  649.390849]  ? check_preemption_disabled+0x48/0x280
[  649.395914]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  649.401470]  ? should_fail+0x22d/0xd01
[  649.405362]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  649.410469]  ? zap_class+0x640/0x640
[  649.414212]  ? __lock_is_held+0xb5/0x140
[  649.418304]  ? mark_held_locks+0x130/0x130
[  649.422550]  ? lock_release+0xa00/0xa00
[  649.426534]  ? perf_trace_sched_process_exec+0x860/0x860
[  649.432005]  ? xa_load+0x2ba/0x460
[  649.435604]  ? lock_downgrade+0x900/0x900
[  649.439759]  ? __might_sleep+0x95/0x190
[  649.443740]  __alloc_pages_nodemask+0xad8/0xea0
[  649.448420]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  649.453446]  ? __page_cache_alloc+0x191/0x5c0
[  649.457967]  ? xa_load+0x2e1/0x460
[  649.461539]  ? xa_clear_mark+0x40/0x40
[  649.465454]  ? zap_class+0x640/0x640
[  649.469190]  ? zap_class+0x640/0x640
[  649.472918]  ? zap_class+0x640/0x640
[  649.476631]  ? __do_page_cache_readahead+0x663/0x810
[  649.481740]  ? find_held_lock+0x36/0x1c0
[  649.485813]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  649.491369]  alloc_pages_current+0x173/0x350
[  649.495799]  __page_cache_alloc+0x38c/0x5c0
[  649.500119]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  649.505054]  ? kasan_check_read+0x11/0x20
[  649.509205]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  649.514484]  ? generic_perform_write+0x6a0/0x6a0
[  649.519242]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  649.524806]  ? check_preemption_disabled+0x48/0x280
[  649.529891]  filemap_fault+0x1595/0x25f0
[  649.533992]  ? __lock_page_or_retry+0xa00/0xa00
[  649.538673]  ? mark_held_locks+0x130/0x130
[  649.542924]  ? filemap_map_pages+0xd6b/0x1a20
[  649.547421]  ? lock_downgrade+0x900/0x900
[  649.551572]  ? check_preemption_disabled+0x48/0x280
[  649.556594]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  649.561525]  ? kasan_check_read+0x11/0x20
[  649.565709]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  649.571000]  ? rcu_softirq_qs+0x20/0x20
[  649.574998]  ? filemap_map_pages+0xd92/0x1a20
[  649.579512]  ? find_get_entries_tag+0x1400/0x1400
[  649.584363]  ? debug_object_destroy+0x2b0/0x2b0
[  649.589074]  ? lock_pi_update_atomic+0x150/0x150
[  649.593834]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  649.599392]  ? lock_acquire+0x1ed/0x520
[  649.603407]  ? ext4_filemap_fault+0x7a/0xad
[  649.607750]  ? lock_release+0xa00/0xa00
[  649.611727]  ? perf_trace_sched_process_exec+0x860/0x860
[  649.617180]  ? print_usage_bug+0xc0/0xc0
[  649.621291]  ? print_usage_bug+0xc0/0xc0
[  649.625393]  ? down_read+0x8d/0x120
[  649.629026]  ? ext4_filemap_fault+0x7a/0xad
[  649.633375]  ? __down_interruptible+0x700/0x700
[  649.638072]  ext4_filemap_fault+0x82/0xad
[  649.642228]  __do_fault+0x100/0x6b0
[  649.645856]  ? release_sock+0x1ec/0x2c0
[  649.649834]  ? pmd_devmap_trans_unstable+0x220/0x220
[  649.654945]  ? mark_held_locks+0x130/0x130
[  649.659181]  ? mark_held_locks+0x130/0x130
[  649.663416]  ? lock_sock_nested+0x9a/0x120
[  649.667673]  ? __release_sock+0x3a0/0x3a0
[  649.671823]  ? __local_bh_enable_ip+0x160/0x260
[  649.676497]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  649.682077]  __handle_mm_fault+0x3ea0/0x5be0
[  649.686497]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  649.691347]  ? apparmor_socket_sendmsg+0x29/0x30
[  649.696108]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  649.701652]  ? security_socket_sendmsg+0x94/0xc0
[  649.706413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  649.711979]  ? zap_class+0x640/0x640
[  649.715692]  ? zap_class+0x640/0x640
[  649.719409]  ? __x64_sys_futex+0x53e/0x6a0
[  649.723667]  ? find_held_lock+0x36/0x1c0
[  649.727768]  ? handle_mm_fault+0x42a/0xc70
[  649.732022]  ? lock_downgrade+0x900/0x900
[  649.736169]  ? check_preemption_disabled+0x48/0x280
[  649.741221]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  649.746150]  ? kasan_check_read+0x11/0x20
[  649.750306]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  649.755587]  ? rcu_softirq_qs+0x20/0x20
[  649.759568]  ? trace_hardirqs_off_caller+0x310/0x310
[  649.764673]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  649.770208]  ? check_preemption_disabled+0x48/0x280
[  649.775234]  handle_mm_fault+0x54f/0xc70
[  649.779336]  ? __handle_mm_fault+0x5be0/0x5be0
[  649.783924]  ? find_vma+0x34/0x190
[  649.787469]  __do_page_fault+0x5e8/0xe60
[  649.791533]  ? trace_hardirqs_off+0xb8/0x310
[  649.795943]  ? __ia32_sys_read+0xb0/0xb0
[  649.800017]  do_page_fault+0xf2/0x7e0
[  649.803820]  ? vmalloc_sync_all+0x30/0x30
[  649.807971]  ? error_entry+0x70/0xd0
[  649.811684]  ? trace_hardirqs_off_caller+0xbb/0x310
[  649.816702]  ? trace_hardirqs_on_caller+0xc0/0x310
[  649.821632]  ? syscall_return_slowpath+0x5e0/0x5e0
[  649.826577]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  649.831479]  ? trace_hardirqs_on_caller+0x310/0x310
[  649.836508]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  649.841968]  ? prepare_exit_to_usermode+0x291/0x3b0
[  649.846989]  ? page_fault+0x8/0x30
[  649.850551]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  649.855406]  ? page_fault+0x8/0x30
[  649.858944]  page_fault+0x1e/0x30
[  649.862422] RIP: 0033:0x45ddf3
[  649.865631] Code: Bad RIP value.
[  649.868995] RSP: 002b:000000c420023ea0 EFLAGS: 00010202
[  649.874356] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
[  649.881642] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  649.888911] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  649.896177] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  649.903449] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
[  649.910744] warn_alloc_show_mem: 1 callbacks suppressed
[  649.910756] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304
[  649.910758] Mem-Info:
[  649.910790] active_anon:59588 inactive_anon:187 isolated_anon:0
[  649.910790]  active_file:13 inactive_file:14 isolated_file:0
[  649.910790]  unevictable:0 dirty:0 writeback:0 unstable:0
[  649.910790]  slab_reclaimable:10147 slab_unreclaimable:1445690
[  649.910790]  mapped:49154 shmem:244 pagetables:690 bounce:0
[  649.910790]  free:13773 free_pcp:174 free_cma:0
[  649.916131] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  649.923411] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  649.925810] Call Trace:
[  649.958781] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  649.968309]  <IRQ>
[  649.995793] lowmem_reserve[]: 0 2818 6321 6321
[  649.998380]  dump_stack+0x244/0x39d
[  650.024459] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  650.026612]  ? dump_stack_print_info.cold.1+0x20/0x20
[  650.031163] lowmem_reserve[]: 0 0 3503 3503
[  650.034792]  warn_alloc.cold.116+0xb7/0x1bd
[  650.062261] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB
[  650.067456]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  650.071754] lowmem_reserve[]: 0 0 0 0
[  650.076079]  ? lock_downgrade+0x900/0x900
[  650.105076] 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
[  650.109925]  ? trace_hardirqs_off+0xb8/0x310
[  650.113696] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
[  650.117838]  ? trace_hardirqs_off+0xb8/0x310
[  650.131335] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  650.135743]  __alloc_pages_slowpath+0x2651/0x2de0
[  650.151677] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  650.156099]  ? warn_alloc+0x120/0x120
[  650.169784] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  650.174620]  ? warn_alloc+0x120/0x120
[  650.183433] 271 total pagecache pages
[  650.187228]  ? warn_alloc+0x120/0x120
[  650.195789] 0 pages in swap cache
[  650.199581]  ? print_usage_bug+0xc0/0xc0
[  650.203368] Swap cache stats: add 0, delete 0, find 0/0
[  650.207164]  ? zap_class+0x640/0x640
[  650.210596] Free swap  = 0kB
[  650.214652]  ? print_usage_bug+0xc0/0xc0
[  650.220013] Total swap = 0kB
[  650.223791]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  650.226796] 1965979 pages RAM
[  650.230868]  ? should_fail+0x22d/0xd01
[  650.233860] 0 pages HighMem/MovableOnly
[  650.239390]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  650.242476] 342854 pages reserved
[  650.246358]  ? __lock_acquire+0x62f/0x4c20
[  650.250311] 0 pages cma reserved
[  650.255413]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  650.258976] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  650.263097]  ? __lock_acquire+0x62f/0x4c20
[  650.263113]  ? should_fail+0x22d/0xd01
[  650.266598] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  650.271572]  ? mark_held_locks+0x130/0x130
[  650.278041] syz-fuzzer cpuset=/ mems_allowed=0
[  650.282294]  ? mark_held_locks+0x130/0x130
[  650.309406]  ? try_to_wake_up+0x11c/0x1490
[  650.313657]  ? lock_downgrade+0x900/0x900
[  650.317815]  ? zap_class+0x640/0x640
[  650.321534]  ? print_usage_bug+0xc0/0xc0
[  650.325598]  ? trace_hardirqs_off+0xb8/0x310
[  650.330010]  ? kasan_check_read+0x11/0x20
[  650.334182]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.339723]  ? check_preemption_disabled+0x48/0x280
[  650.344767]  ? __lock_is_held+0xb5/0x140
[  650.348836]  __alloc_pages_nodemask+0xad8/0xea0
[  650.353506]  ? zap_class+0x640/0x640
[  650.357228]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  650.362255]  ? find_held_lock+0x36/0x1c0
[  650.366369]  ? ____cache_alloc_node+0x1c7/0x1e0
[  650.371064]  ? lock_downgrade+0x900/0x900
[  650.375222]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.380763]  cache_grow_begin+0xa5/0x8c0
[  650.384824]  ? do_raw_spin_unlock+0xa7/0x330
[  650.389244]  fallback_alloc+0x204/0x2e0
[  650.393265]  ____cache_alloc_node+0x1c7/0x1e0
[  650.397804]  kmem_cache_alloc_node+0xe3/0x730
[  650.402320]  ? ipv6_get_ifaddr+0x42e/0x620
[  650.406565]  __alloc_skb+0x119/0x770
[  650.410288]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  650.415598]  ? netdev_alloc_frag+0x1f0/0x1f0
[  650.420025]  ? lock_downgrade+0x900/0x900
[  650.424188]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.429726]  ? refcount_sub_and_test_checked+0x203/0x310
[  650.435208]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  650.440658]  ? addrconf_rs_timer+0x690/0x690
[  650.445079]  ndisc_alloc_skb+0x144/0x340
[  650.449150]  ndisc_send_rs+0x331/0x6e0
[  650.453052]  addrconf_rs_timer+0x314/0x690
[  650.457314]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  650.461576]  call_timer_fn+0x272/0x920
[  650.465467]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  650.469702]  ? process_timeout+0x40/0x40
[  650.473776]  ? __run_timers+0x7da/0xc70
[  650.477753]  ? _raw_spin_unlock_irq+0x27/0x80
[  650.482248]  ? _raw_spin_unlock_irq+0x27/0x80
[  650.486752]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  650.490991]  ? lockdep_hardirqs_on+0x296/0x5b0
[  650.495577]  ? trace_hardirqs_on+0xbd/0x310
[  650.499903]  ? kasan_check_read+0x11/0x20
[  650.504052]  ? __run_timers+0x7da/0xc70
[  650.508036]  ? trace_hardirqs_off_caller+0x310/0x310
[  650.513155]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  650.517393]  __run_timers+0x7e5/0xc70
[  650.521242]  ? timer_fixup_init+0x70/0x70
[  650.525405]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  650.530426]  ? zap_class+0x640/0x640
[  650.534148]  ? enqueue_hrtimer+0x1a5/0x560
[  650.538389]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  650.543587]  ? find_held_lock+0x36/0x1c0
[  650.547654]  ? zap_class+0x640/0x640
[  650.551377]  ? pvclock_read_flags+0x160/0x160
[  650.555878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.561419]  ? check_preemption_disabled+0x48/0x280
[  650.566447]  ? __lock_is_held+0xb5/0x140
[  650.570512]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.576064]  ? check_preemption_disabled+0x48/0x280
[  650.581086]  run_timer_softirq+0x52/0xb0
[  650.585153]  ? rcu_read_lock_sched_held+0x14f/0x180
[  650.590171]  __do_softirq+0x308/0xb7e
[  650.593992]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  650.598507]  ? lock_downgrade+0x900/0x900
[  650.602660]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  650.607801]  ? pvclock_read_flags+0x160/0x160
[  650.612307]  ? lapic_next_event+0x5a/0x90
[  650.616472]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.622033]  ? kvm_clock_read+0x18/0x30
[  650.626008]  ? kvm_sched_clock_read+0x9/0x20
[  650.630422]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.635966]  ? check_preemption_disabled+0x48/0x280
[  650.640989]  irq_exit+0x17f/0x1c0
[  650.644445]  smp_apic_timer_interrupt+0x1cb/0x760
[  650.649313]  ? smp_reschedule_interrupt+0x109/0x650
[  650.654333]  ? smp_call_function_single_interrupt+0x650/0x650
[  650.660223]  ? interrupt_entry+0xb5/0xc0
[  650.664331]  ? trace_hardirqs_off_caller+0xbb/0x310
[  650.669348]  ? trace_hardirqs_off_caller+0xbb/0x310
[  650.674370]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  650.679213]  ? trace_hardirqs_on_caller+0x310/0x310
[  650.684236]  ? trace_hardirqs_on_caller+0x310/0x310
[  650.689297]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  650.694166]  apic_timer_interrupt+0xf/0x20
[  650.698397]  </IRQ>
[  650.700641] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  650.706526] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
[  650.725514] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  650.733221] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  650.740491] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286
[  650.747760] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000
[  650.755033] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40
[  650.762305] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286
[  650.769611]  ? save_stack+0xa9/0xd0
[  650.773254]  __kmalloc_node_track_caller+0x3c/0x70
[  650.778196]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  650.782978]  pskb_expand_head+0x230/0x10f0
[  650.787215]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  650.792672]  ? memcpy+0x45/0x50
[  650.795958]  ? __copy_skb_header+0x350/0x6b0
[  650.800368]  ? skb_release_data+0x880/0x880
[  650.804694]  ? __alloc_skb+0x770/0x770
[  650.808591]  ? __lock_is_held+0xb5/0x140
[  650.812664]  ? kasan_check_write+0x14/0x20
[  650.816900]  ? __skb_clone+0x6c7/0xa00
[  650.820792]  ? __copy_skb_header+0x6b0/0x6b0
[  650.825248]  ? kmem_cache_alloc+0x33a/0x730
[  650.829599]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.835155]  skb_ensure_writable+0x3dd/0x640
[  650.839598]  ? skb_checksum_setup+0xaa0/0xaa0
[  650.844110]  ? preempt_notifier_register+0x200/0x200
[  650.849213]  ? __switch_to_asm+0x34/0x70
[  650.853283]  ? __switch_to_asm+0x34/0x70
[  650.857344]  ? __switch_to_asm+0x40/0x70
[  650.861406]  ? __switch_to_asm+0x34/0x70
[  650.865467]  ? __switch_to_asm+0x40/0x70
[  650.869530]  ? __switch_to_asm+0x40/0x70
[  650.873589]  ? __switch_to_asm+0x34/0x70
[  650.877667]  ? __switch_to_asm+0x34/0x70
[  650.881728]  ? __switch_to_asm+0x40/0x70
[  650.885817]  ? __switch_to_asm+0x34/0x70
[  650.889887]  bpf_clone_redirect+0x14a/0x490
[  650.894221]  bpf_prog_12ab75334035c288+0xfcd/0x1000
[  650.899243]  ? __sched_text_start+0x8/0x8
[  650.903401]  ? retint_kernel+0x2d/0x2d
[  650.907321]  ? find_held_lock+0x36/0x1c0
[  650.911395]  ? lock_acquire+0x1ed/0x520
[  650.915371]  ? bpf_test_run+0x3cb/0x780
[  650.919348]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.924889]  ? check_preemption_disabled+0x48/0x280
[  650.929918]  ? kasan_check_read+0x11/0x20
[  650.934066]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  650.939346]  ? rcu_softirq_qs+0x20/0x20
[  650.943333]  ? preempt_schedule+0x4d/0x60
[  650.947482]  ? ___preempt_schedule+0x16/0x18
[  650.951929]  ? bpf_test_run+0x25d/0x780
[  650.955922]  ? netlink_diag_dump+0x2a0/0x2a0
[  650.960336]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  650.965876]  ? bpf_test_init.isra.10+0x70/0x100
[  650.970552]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  650.975322]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  650.980165]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  650.985701]  ? fput+0x130/0x1a0
[  650.989001]  ? __bpf_prog_get+0x9b/0x290
[  650.993075]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  650.997921]  ? bpf_prog_test_run+0x130/0x1a0
[  651.002336]  ? __x64_sys_bpf+0x3d8/0x520
[  651.006398]  ? bpf_prog_get+0x20/0x20
[  651.010242]  ? do_syscall_64+0x1b9/0x820
[  651.014326]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  651.019706]  ? syscall_return_slowpath+0x5e0/0x5e0
[  651.024656]  ? trace_hardirqs_on_caller+0x310/0x310
[  651.029693]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  651.034751]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  651.041433]  ? __switch_to_asm+0x40/0x70
[  651.045492]  ? __switch_to_asm+0x34/0x70
[  651.049559]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  651.054410]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  651.060060] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
[  651.060132] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  651.067074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  651.067079] Call Trace:
[  651.067086]  <IRQ>
[  651.067104]  dump_stack+0x244/0x39d
[  651.067123]  ? dump_stack_print_info.cold.1+0x20/0x20
[  651.074134] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  651.082955]  warn_alloc.cold.116+0xb7/0x1bd
[  651.085513] syz-executor3 cpuset=syz3 mems_allowed=0
[  651.087667]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  651.121235]  ? lock_downgrade+0x900/0x900
[  651.125403]  ? trace_hardirqs_off+0xb8/0x310
[  651.129819]  ? trace_hardirqs_off+0xb8/0x310
[  651.134236]  __alloc_pages_slowpath+0x2651/0x2de0
[  651.139113]  ? warn_alloc+0x120/0x120
[  651.142921]  ? print_usage_bug+0xc0/0xc0
[  651.146987]  ? warn_alloc+0x120/0x120
[  651.150793]  ? warn_alloc+0x120/0x120
[  651.154614]  ? print_usage_bug+0xc0/0xc0
[  651.158676]  ? kvm_clock_read+0x18/0x30
[  651.162697]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  651.167730]  ? print_usage_bug+0xc0/0xc0
[  651.171812]  ? __lock_acquire+0x62f/0x4c20
[  651.176056]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  651.181595]  ? should_fail+0x22d/0xd01
[  651.185495]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  651.190782]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  651.195884]  ? __lock_acquire+0x62f/0x4c20
[  651.200122]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  651.205246]  ? __lock_acquire+0x62f/0x4c20
[  651.209493]  ? should_fail+0x22d/0xd01
[  651.213383]  ? rcu_irq_exit+0x1a2/0x390
[  651.217375]  ? mark_held_locks+0x130/0x130
[  651.221652]  ? mark_held_locks+0x130/0x130
[  651.225896]  ? mark_held_locks+0xc7/0x130
[  651.230048]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  651.235069]  ? zap_class+0x640/0x640
[  651.238782]  ? print_usage_bug+0xc0/0xc0
[  651.242849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  651.248386]  ? check_preemption_disabled+0x48/0x280
[  651.253410]  ? __lock_is_held+0xb5/0x140
[  651.257498]  __alloc_pages_nodemask+0xad8/0xea0
[  651.262173]  ? zap_class+0x640/0x640
[  651.265891]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  651.270918]  ? find_held_lock+0x36/0x1c0
[  651.275007]  ? ____cache_alloc_node+0x1c7/0x1e0
[  651.279680]  ? lock_downgrade+0x900/0x900
[  651.283836]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  651.289392]  cache_grow_begin+0xa5/0x8c0
[  651.293452]  ? do_raw_spin_unlock+0xa7/0x330
[  651.297869]  fallback_alloc+0x204/0x2e0
[  651.301864]  ____cache_alloc_node+0x1c7/0x1e0
[  651.306363]  kmem_cache_alloc_node+0xe3/0x730
[  651.310858]  ? ipv6_get_ifaddr+0x42e/0x620
[  651.315108]  __alloc_skb+0x119/0x770
[  651.318830]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  651.324114]  ? netdev_alloc_frag+0x1f0/0x1f0
[  651.328525]  ? lock_downgrade+0x900/0x900
[  651.332685]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  651.338226]  ? refcount_sub_and_test_checked+0x203/0x310
[  651.343687]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  651.349137]  ? addrconf_rs_timer+0x690/0x690
[  651.353562]  ndisc_alloc_skb+0x144/0x340
[  651.357628]  ndisc_send_rs+0x331/0x6e0
[  651.361540]  addrconf_rs_timer+0x314/0x690
[  651.365782]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  651.370030]  call_timer_fn+0x272/0x920
[  651.373919]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  651.378168]  ? process_timeout+0x40/0x40
[  651.382242]  ? mark_held_locks+0xc7/0x130
[  651.386437]  ? _raw_spin_unlock_irq+0x27/0x80
[  651.390932]  ? _raw_spin_unlock_irq+0x27/0x80
[  651.395454]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  651.399689]  ? lockdep_hardirqs_on+0x296/0x5b0
[  651.404313]  ? trace_hardirqs_on+0xbd/0x310
[  651.408636]  ? kasan_check_read+0x11/0x20
[  651.412783]  ? __run_timers+0x7da/0xc70
[  651.416774]  ? trace_hardirqs_off_caller+0x310/0x310
[  651.421915]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  651.426173]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  651.430406]  __run_timers+0x7e5/0xc70
[  651.434217]  ? timer_fixup_init+0x70/0x70
[  651.438369]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  651.443385]  ? zap_class+0x640/0x640
[  651.447120]  ? print_usage_bug+0xc0/0xc0
[  651.451186]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  651.456384]  ? find_held_lock+0x36/0x1c0
[  651.460459]  ? zap_class+0x640/0x640
[  651.464182]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  651.469734]  ? check_preemption_disabled+0x48/0x280
[  651.474763]  ? __lock_is_held+0xb5/0x140
[  651.478831]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  651.484373]  ? check_preemption_disabled+0x48/0x280
[  651.489392]  run_timer_softirq+0x52/0xb0
[  651.493453]  ? rcu_read_lock_sched_held+0x14f/0x180
[  651.498489]  __do_softirq+0x308/0xb7e
[  651.502302]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  651.506799]  ? lock_downgrade+0x900/0x900
[  651.510953]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  651.516063]  ? pvclock_read_flags+0x160/0x160
[  651.520564]  ? lapic_next_event+0x5a/0x90
[  651.524720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  651.530288]  ? kvm_clock_read+0x18/0x30
[  651.534275]  ? kvm_sched_clock_read+0x9/0x20
[  651.538692]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  651.544251]  ? check_preemption_disabled+0x48/0x280
[  651.549324]  irq_exit+0x17f/0x1c0
[  651.552781]  smp_apic_timer_interrupt+0x1cb/0x760
[  651.557623]  ? smp_call_function_single_interrupt+0x159/0x650
[  651.563509]  ? smp_call_function_single_interrupt+0x650/0x650
[  651.569423]  ? interrupt_entry+0xb5/0xc0
[  651.573489]  ? trace_hardirqs_off_caller+0xbb/0x310
[  651.578504]  ? trace_hardirqs_off_caller+0xbb/0x310
[  651.583524]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  651.588402]  ? trace_hardirqs_on_caller+0x310/0x310
[  651.593431]  ? trace_hardirqs_on_caller+0x310/0x310
[  651.598461]  ? task_prio+0x50/0x50
[  651.602018]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  651.607568]  ? check_preemption_disabled+0x48/0x280
[  651.612589]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  651.617457]  apic_timer_interrupt+0xf/0x20
[  651.621684]  </IRQ>
[  651.623921] RIP: 0010:rcu_is_watching+0x0/0x30
[  651.628504] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
[  651.647498] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  651.655224] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
[  651.662492] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
[  651.669760] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
[  651.677026] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
[  651.684296] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  651.691603]  ? list_lru_count_one+0x253/0x450
[  651.696101]  ? list_lru_count_one+0x35d/0x450
[  651.700631]  ? list_lru_count_one+0x362/0x450
[  651.705127]  ? list_lru_isolate_move+0x3c0/0x3c0
[  651.709884]  ? shmem_free_inode+0xd0/0xd0
[  651.714034]  ? __lock_is_held+0xb5/0x140
[  651.718109]  super_cache_count+0x1b9/0x2e0
[  651.722363]  do_shrink_slab+0x1b1/0xd30
[  651.726353]  ? snapshot_refaults+0x290/0x290
[  651.730765]  ? lock_release+0xa00/0xa00
[  651.734748]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  651.739690]  ? down_read_trylock+0xda/0x140
[  651.744019]  ? shrink_slab+0x207/0x8c0
[  651.747912]  ? downgrade_write+0x270/0x270
[  651.752155]  shrink_slab+0x389/0x8c0
[  651.755869]  ? shrink_active_list+0x1f00/0x1f00
[  651.760552]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  651.766185]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  651.771307]  ? cgroup_procs_write_finish+0xf0/0xf0
[  651.776243]  ? find_held_lock+0x36/0x1c0
[  651.780325]  shrink_node+0x431/0x16b0
[  651.784137]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  651.789444]  ? shrink_node_memcg+0x18f0/0x18f0
[  651.794032]  ? kvm_clock_read+0x18/0x30
[  651.798011]  ? ktime_get+0x2c1/0x400
[  651.801734]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  651.806233]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  651.811789]  ? __cpuset_node_allowed+0x19b/0x660
[  651.816553]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  651.822264]  ? delayacct_end+0x5a/0x100
[  651.826279]  do_try_to_free_pages+0x3e7/0x1290
[  651.830882]  ? zap_class+0x640/0x640
[  651.834615]  ? shrink_node+0x16b0/0x16b0
[  651.838698]  ? __lock_is_held+0xb5/0x140
[  651.842772]  try_to_free_pages+0x4d0/0xb90
[  651.847013]  ? do_try_to_free_pages+0x1290/0x1290
[  651.851870]  ? lock_acquire+0x1ed/0x520
[  651.855846]  ? set_page_refcounted+0x280/0x280
[  651.860436]  ? lock_release+0xa00/0xa00
[  651.864431]  ? _raw_spin_unlock_irq+0x60/0x80
[  651.868938]  ? psi_memstall_enter+0x240/0x2b0
[  651.873432]  ? psi_memstall_tick+0x230/0x230
[  651.877851]  __alloc_pages_slowpath+0xa48/0x2de0
[  651.882638]  ? warn_alloc+0x120/0x120
[  651.886436]  ? mark_held_locks+0x130/0x130
[  651.890699]  ? find_get_entry+0xaae/0x1120
[  651.894946]  ? filemap_map_pages+0x1a20/0x1a20
[  651.899541]  ? zap_class+0x640/0x640
[  651.903287]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  651.908834]  ? check_preemption_disabled+0x48/0x280
[  651.913855]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  651.919393]  ? should_fail+0x22d/0xd01
[  651.923311]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  651.928421]  ? zap_class+0x640/0x640
[  651.932163]  ? __lock_is_held+0xb5/0x140
[  651.936253]  ? mark_held_locks+0x130/0x130
[  651.940501]  ? lock_release+0xa00/0xa00
[  651.944481]  ? perf_trace_sched_process_exec+0x860/0x860
[  651.949929]  ? xa_load+0x2ba/0x460
[  651.953488]  ? lock_downgrade+0x900/0x900
[  651.957659]  ? __might_sleep+0x95/0x190
[  651.961638]  __alloc_pages_nodemask+0xad8/0xea0
[  651.966506]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  651.971538]  ? __page_cache_alloc+0x191/0x5c0
[  651.976030]  ? xa_load+0x2e1/0x460
[  651.979572]  ? xa_clear_mark+0x40/0x40
[  651.983460]  ? zap_class+0x640/0x640
[  651.987182]  ? zap_class+0x640/0x640
[  651.990894]  ? zap_class+0x640/0x640
[  651.994608]  ? __do_page_cache_readahead+0x663/0x810
[  651.999721]  ? find_held_lock+0x36/0x1c0
[  652.003808]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  652.009354]  alloc_pages_current+0x173/0x350
[  652.013768]  __page_cache_alloc+0x38c/0x5c0
[  652.018088]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  652.023014]  ? kasan_check_read+0x11/0x20
[  652.027165]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  652.032446]  ? generic_perform_write+0x6a0/0x6a0
[  652.037205]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  652.042757]  ? check_preemption_disabled+0x48/0x280
[  652.047780]  filemap_fault+0x1595/0x25f0
[  652.051855]  ? __lock_page_or_retry+0xa00/0xa00
[  652.056565]  ? mark_held_locks+0x130/0x130
[  652.060824]  ? filemap_map_pages+0xd6b/0x1a20
[  652.065321]  ? lock_downgrade+0x900/0x900
[  652.069505]  ? check_preemption_disabled+0x48/0x280
[  652.074540]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  652.079599]  ? kasan_check_read+0x11/0x20
[  652.083755]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  652.089037]  ? rcu_softirq_qs+0x20/0x20
[  652.093029]  ? filemap_map_pages+0xd92/0x1a20
[  652.097657]  ? find_get_entries_tag+0x1400/0x1400
[  652.102526]  ? debug_object_destroy+0x2b0/0x2b0
[  652.107211]  ? lock_pi_update_atomic+0x150/0x150
[  652.111969]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  652.117524]  ? lock_acquire+0x1ed/0x520
[  652.121506]  ? ext4_filemap_fault+0x7a/0xad
[  652.125847]  ? lock_release+0xa00/0xa00
[  652.129822]  ? perf_trace_sched_process_exec+0x860/0x860
[  652.135283]  ? print_usage_bug+0xc0/0xc0
[  652.139350]  ? print_usage_bug+0xc0/0xc0
[  652.143428]  ? down_read+0x8d/0x120
[  652.147241]  ? ext4_filemap_fault+0x7a/0xad
[  652.151575]  ? __down_interruptible+0x700/0x700
[  652.156255]  ext4_filemap_fault+0x82/0xad
[  652.160763]  __do_fault+0x100/0x6b0
[  652.164392]  ? release_sock+0x1ec/0x2c0
[  652.168371]  ? pmd_devmap_trans_unstable+0x220/0x220
[  652.173483]  ? mark_held_locks+0x130/0x130
[  652.177721]  ? mark_held_locks+0x130/0x130
[  652.181956]  ? lock_sock_nested+0x9a/0x120
[  652.186209]  ? __release_sock+0x3a0/0x3a0
[  652.190364]  ? __local_bh_enable_ip+0x160/0x260
[  652.195040]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  652.200584]  __handle_mm_fault+0x3ea0/0x5be0
[  652.205274]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  652.210118]  ? apparmor_socket_sendmsg+0x29/0x30
[  652.214881]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  652.220425]  ? security_socket_sendmsg+0x94/0xc0
[  652.225186]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  652.230773]  ? zap_class+0x640/0x640
[  652.234489]  ? zap_class+0x640/0x640
[  652.238207]  ? __x64_sys_futex+0x53e/0x6a0
[  652.242449]  ? find_held_lock+0x36/0x1c0
[  652.246521]  ? handle_mm_fault+0x42a/0xc70
[  652.250767]  ? lock_downgrade+0x900/0x900
[  652.254917]  ? check_preemption_disabled+0x48/0x280
[  652.259945]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  652.264876]  ? kasan_check_read+0x11/0x20
[  652.269024]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  652.274308]  ? rcu_softirq_qs+0x20/0x20
[  652.278292]  ? trace_hardirqs_off_caller+0x310/0x310
[  652.283400]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  652.288946]  ? check_preemption_disabled+0x48/0x280
[  652.293975]  handle_mm_fault+0x54f/0xc70
[  652.298042]  ? __handle_mm_fault+0x5be0/0x5be0
[  652.302636]  ? find_vma+0x34/0x190
[  652.306184]  __do_page_fault+0x5e8/0xe60
[  652.310248]  ? trace_hardirqs_off+0xb8/0x310
[  652.314663]  ? __ia32_sys_read+0xb0/0xb0
[  652.318733]  do_page_fault+0xf2/0x7e0
[  652.322541]  ? vmalloc_sync_all+0x30/0x30
[  652.326698]  ? error_entry+0x70/0xd0
[  652.330417]  ? trace_hardirqs_off_caller+0xbb/0x310
[  652.335432]  ? trace_hardirqs_on_caller+0xc0/0x310
[  652.340363]  ? syscall_return_slowpath+0x5e0/0x5e0
[  652.345299]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  652.350144]  ? trace_hardirqs_on_caller+0x310/0x310
[  652.355162]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  652.360623]  ? prepare_exit_to_usermode+0x291/0x3b0
[  652.365640]  ? page_fault+0x8/0x30
[  652.369184]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  652.374118]  ? page_fault+0x8/0x30
[  652.377660]  page_fault+0x1e/0x30
[  652.381112] RIP: 0033:0x45ddf3
[  652.384318] Code: Bad RIP value.
[  652.387678] RSP: 002b:000000c420023ea0 EFLAGS: 00010202
[  652.393039] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
[  652.400306] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  652.407577] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  652.414844] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  652.422111] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
[  652.429419] warn_alloc_show_mem: 1 callbacks suppressed
[  652.429431] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304
[  652.429433] Mem-Info:
[  652.429464] active_anon:59588 inactive_anon:187 isolated_anon:0
[  652.429464]  active_file:13 inactive_file:14 isolated_file:0
[  652.429464]  unevictable:0 dirty:0 writeback:0 unstable:0
[  652.429464]  slab_reclaimable:10147 slab_unreclaimable:1445690
[  652.429464]  mapped:49154 shmem:244 pagetables:690 bounce:0
[  652.429464]  free:13773 free_pcp:174 free_cma:0
[  652.434831] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  652.442109] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  652.444512] Call Trace:
[  652.477472] 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
[  652.486820]  <IRQ>
[  652.514317] lowmem_reserve[]: 0 2818 6321 6321
[  652.516916]  dump_stack+0x244/0x39d
[  652.543012] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  652.545163]  ? dump_stack_print_info.cold.1+0x20/0x20
[  652.549726] lowmem_reserve[]: 0 0 3503 3503
[  652.553372]  warn_alloc.cold.116+0xb7/0x1bd
[  652.580837] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB
[  652.586024]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  652.590326] lowmem_reserve[]: 0 0 0 0
[  652.594647]  ? lock_downgrade+0x900/0x900
[  652.623506] 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
[  652.628352]  ? trace_hardirqs_off+0xb8/0x310
[  652.632128] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
[  652.636281]  ? trace_hardirqs_off+0xb8/0x310
[  652.649783] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  652.654189]  __alloc_pages_slowpath+0x2651/0x2de0
[  652.670123] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  652.674547]  ? warn_alloc+0x120/0x120
[  652.688118] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  652.692944]  ? warn_alloc+0x120/0x120
[  652.701757] 271 total pagecache pages
[  652.705551]  ? warn_alloc+0x120/0x120
[  652.714111] 0 pages in swap cache
[  652.717916]  ? print_usage_bug+0xc0/0xc0
[  652.721705] Swap cache stats: add 0, delete 0, find 0/0
[  652.725515]  ? check_usage_forwards+0x3d0/0x3d0
[  652.728954] Free swap  = 0kB
[  652.733039]  ? print_usage_bug+0xc0/0xc0
[  652.738373] Total swap = 0kB
[  652.743050]  ? print_usage_bug+0xc0/0xc0
[  652.746061] 1965979 pages RAM
[  652.750146]  ? check_usage+0x1aa/0x790
[  652.753142] 0 pages HighMem/MovableOnly
[  652.753151] 342854 pages reserved
[  652.757204]  ? lockdep_on+0x50/0x50
[  652.760292] 0 pages cma reserved
[  652.764176]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  652.768234] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  652.771606]  ? should_fail+0x22d/0xd01
[  652.775321] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  652.778586]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  652.784100] syz-fuzzer cpuset=/ mems_allowed=0
[  652.790629]  ? __lock_acquire+0x62f/0x4c20
[  652.818631]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  652.823759]  ? __lock_acquire+0x62f/0x4c20
[  652.827991]  ? should_fail+0x22d/0xd01
[  652.831885]  ? mark_held_locks+0x130/0x130
[  652.836155]  ? mark_held_locks+0x130/0x130
[  652.840421]  ? try_to_wake_up+0x11c/0x1490
[  652.844654]  ? lock_downgrade+0x900/0x900
[  652.848801]  ? zap_class+0x640/0x640
[  652.852535]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  652.858094]  ? check_preemption_disabled+0x48/0x280
[  652.863119]  ? __lock_is_held+0xb5/0x140
[  652.867201]  __alloc_pages_nodemask+0xad8/0xea0
[  652.871904]  ? zap_class+0x640/0x640
[  652.875644]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  652.880685]  ? find_held_lock+0x36/0x1c0
[  652.884756]  ? ____cache_alloc_node+0x1c7/0x1e0
[  652.889471]  ? lock_downgrade+0x900/0x900
[  652.893630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  652.899181]  cache_grow_begin+0xa5/0x8c0
[  652.903254]  ? do_raw_spin_unlock+0xa7/0x330
[  652.907716]  fallback_alloc+0x204/0x2e0
[  652.911715]  ____cache_alloc_node+0x1c7/0x1e0
[  652.916220]  kmem_cache_alloc+0x1f8/0x730
[  652.920382]  __build_skb+0xab/0x430
[  652.924014]  ? skb_try_coalesce+0x1b70/0x1b70
[  652.928516]  ? trace_hardirqs_on+0xbd/0x310
[  652.932846]  ? br_send_bpdu.isra.7.constprop.8+0xa8/0xc80
[  652.938391]  ? trace_hardirqs_off_caller+0x310/0x310
[  652.943513]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  652.949058]  ? check_preemption_disabled+0x48/0x280
[  652.954083]  __netdev_alloc_skb+0x2b5/0x450
[  652.958415]  br_send_bpdu.isra.7.constprop.8+0xa8/0xc80
[  652.963790]  ? br_send_bpdu_finish+0x20/0x20
[  652.968209]  ? mark_held_locks+0x130/0x130
[  652.972453]  ? __lock_acquire+0x62f/0x4c20
[  652.976687]  ? queue_work_on+0x148/0x1e0
[  652.980750]  ? lockdep_hardirqs_on+0x296/0x5b0
[  652.985358]  br_send_config_bpdu+0xc9d/0x10a0
[  652.989856]  ? br_send_bpdu.isra.7.constprop.8+0xc80/0xc80
[  652.995489]  ? queue_work_on+0x12c/0x1e0
[  652.999555]  br_transmit_config+0x8cd/0xbb0
[  653.003925]  ? br_get_port+0x280/0x280
[  653.008195]  ? lock_acquire+0x1ed/0x520
[  653.012171]  ? br_hello_timer_expired+0x20/0x190
[  653.016981]  ? kasan_check_read+0x11/0x20
[  653.021184]  br_config_bpdu_generation+0x16a/0x1c0
[  653.026184]  br_hello_timer_expired+0xa9/0x190
[  653.030782]  call_timer_fn+0x272/0x920
[  653.034668]  ? br_is_root_bridge+0x40/0x40
[  653.038899]  ? process_timeout+0x40/0x40
[  653.042981]  ? __run_timers+0x7da/0xc70
[  653.046986]  ? _raw_spin_unlock_irq+0x27/0x80
[  653.051479]  ? _raw_spin_unlock_irq+0x27/0x80
[  653.055971]  ? br_is_root_bridge+0x40/0x40
[  653.060206]  ? lockdep_hardirqs_on+0x296/0x5b0
[  653.064792]  ? trace_hardirqs_on+0xbd/0x310
[  653.069109]  ? kasan_check_read+0x11/0x20
[  653.073283]  ? __run_timers+0x7da/0xc70
[  653.077257]  ? trace_hardirqs_off_caller+0x310/0x310
[  653.082396]  ? br_is_root_bridge+0x40/0x40
[  653.086628]  __run_timers+0x7e5/0xc70
[  653.090435]  ? timer_fixup_init+0x70/0x70
[  653.094582]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  653.099611]  ? zap_class+0x640/0x640
[  653.103345]  ? enqueue_hrtimer+0x1a5/0x560
[  653.107598]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  653.112794]  ? find_held_lock+0x36/0x1c0
[  653.116864]  ? zap_class+0x640/0x640
[  653.120579]  ? pvclock_read_flags+0x160/0x160
[  653.125070]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  653.130609]  ? check_preemption_disabled+0x48/0x280
[  653.135632]  ? __lock_is_held+0xb5/0x140
[  653.139694]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  653.145246]  ? check_preemption_disabled+0x48/0x280
[  653.150280]  run_timer_softirq+0x52/0xb0
[  653.154358]  ? rcu_read_lock_sched_held+0x14f/0x180
[  653.159402]  __do_softirq+0x308/0xb7e
[  653.163222]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  653.167733]  ? lock_downgrade+0x900/0x900
[  653.171881]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  653.176993]  ? pvclock_read_flags+0x160/0x160
[  653.181505]  ? lapic_next_event+0x5a/0x90
[  653.185652]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  653.191197]  ? kvm_clock_read+0x18/0x30
[  653.195172]  ? kvm_sched_clock_read+0x9/0x20
[  653.199581]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  653.205130]  ? check_preemption_disabled+0x48/0x280
[  653.210153]  irq_exit+0x17f/0x1c0
[  653.213608]  smp_apic_timer_interrupt+0x1cb/0x760
[  653.218447]  ? smp_reschedule_interrupt+0x109/0x650
[  653.223462]  ? smp_call_function_single_interrupt+0x650/0x650
[  653.229348]  ? interrupt_entry+0xb5/0xc0
[  653.233430]  ? trace_hardirqs_off_caller+0xbb/0x310
[  653.238445]  ? trace_hardirqs_off_caller+0xbb/0x310
[  653.243464]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  653.248310]  ? trace_hardirqs_on_caller+0x310/0x310
[  653.253327]  ? trace_hardirqs_on_caller+0x310/0x310
[  653.258357]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  653.263211]  apic_timer_interrupt+0xf/0x20
[  653.267455]  </IRQ>
[  653.269698] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  653.275602] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
[  653.294502] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  653.302208] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  653.309479] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286
[  653.316749] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000
[  653.324013] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40
[  653.331297] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286
[  653.338599]  ? save_stack+0xa9/0xd0
[  653.342242]  __kmalloc_node_track_caller+0x3c/0x70
[  653.347181]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  653.351991]  pskb_expand_head+0x230/0x10f0
[  653.356229]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  653.361683]  ? memcpy+0x45/0x50
[  653.364995]  ? __copy_skb_header+0x350/0x6b0
[  653.369403]  ? skb_release_data+0x880/0x880
[  653.373757]  ? __alloc_skb+0x770/0x770
[  653.377658]  ? __lock_is_held+0xb5/0x140
[  653.381729]  ? kasan_check_write+0x14/0x20
[  653.385964]  ? __skb_clone+0x6c7/0xa00
[  653.389868]  ? __copy_skb_header+0x6b0/0x6b0
[  653.394281]  ? kmem_cache_alloc+0x33a/0x730
[  653.398641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  653.404190]  skb_ensure_writable+0x3dd/0x640
[  653.408619]  ? skb_checksum_setup+0xaa0/0xaa0
[  653.413116]  ? preempt_notifier_register+0x200/0x200
[  653.418231]  ? __switch_to_asm+0x34/0x70
[  653.422300]  ? __switch_to_asm+0x34/0x70
[  653.426377]  ? __switch_to_asm+0x40/0x70
[  653.430440]  ? __switch_to_asm+0x34/0x70
[  653.434499]  ? __switch_to_asm+0x40/0x70
[  653.438559]  ? __switch_to_asm+0x40/0x70
[  653.442637]  ? __switch_to_asm+0x34/0x70
[  653.446712]  ? __switch_to_asm+0x34/0x70
[  653.450771]  ? __switch_to_asm+0x40/0x70
[  653.454831]  ? __switch_to_asm+0x34/0x70
[  653.458901]  bpf_clone_redirect+0x14a/0x490
[  653.463232]  bpf_prog_12ab75334035c288+0xfcd/0x1000
[  653.468252]  ? __sched_text_start+0x8/0x8
[  653.472411]  ? retint_kernel+0x2d/0x2d
[  653.476319]  ? find_held_lock+0x36/0x1c0
[  653.480392]  ? lock_acquire+0x1ed/0x520
[  653.484372]  ? bpf_test_run+0x3cb/0x780
[  653.488348]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  653.493891]  ? check_preemption_disabled+0x48/0x280
[  653.498916]  ? kasan_check_read+0x11/0x20
[  653.503095]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  653.508375]  ? rcu_softirq_qs+0x20/0x20
[  653.512353]  ? preempt_schedule+0x4d/0x60
[  653.516506]  ? ___preempt_schedule+0x16/0x18
[  653.520926]  ? bpf_test_run+0x25d/0x780
[  653.524913]  ? netlink_diag_dump+0x2a0/0x2a0
[  653.529513]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  653.535053]  ? bpf_test_init.isra.10+0x70/0x100
[  653.539747]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  653.544514]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  653.549355]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  653.554893]  ? fput+0x130/0x1a0
[  653.558211]  ? __bpf_prog_get+0x9b/0x290
[  653.562285]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  653.567148]  ? bpf_prog_test_run+0x130/0x1a0
[  653.571563]  ? __x64_sys_bpf+0x3d8/0x520
[  653.575625]  ? bpf_prog_get+0x20/0x20
[  653.579450]  ? do_syscall_64+0x1b9/0x820
[  653.583513]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  653.588883]  ? syscall_return_slowpath+0x5e0/0x5e0
[  653.593812]  ? trace_hardirqs_on_caller+0x310/0x310
[  653.598841]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  653.603889]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  653.610549]  ? __switch_to_asm+0x40/0x70
[  653.614622]  ? __switch_to_asm+0x34/0x70
[  653.618686]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  653.623539]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  653.628937] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
[  653.629053] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  653.635963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  653.646429] syz-executor3 cpuset=syz3 mems_allowed=0
[  653.655778] Call Trace:
[  653.663444]  <IRQ>
[  653.665599]  dump_stack+0x244/0x39d
[  653.669230]  ? dump_stack_print_info.cold.1+0x20/0x20
[  653.674443]  warn_alloc.cold.116+0xb7/0x1bd
[  653.678771]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  653.683615]  ? lock_downgrade+0x900/0x900
[  653.687767]  ? trace_hardirqs_off+0xb8/0x310
[  653.692178]  ? trace_hardirqs_off+0xb8/0x310
[  653.696596]  __alloc_pages_slowpath+0x2651/0x2de0
[  653.701462]  ? warn_alloc+0x120/0x120
[  653.705260]  ? print_usage_bug+0xc0/0xc0
[  653.709332]  ? warn_alloc+0x120/0x120
[  653.713142]  ? warn_alloc+0x120/0x120
[  653.716937]  ? print_usage_bug+0xc0/0xc0
[  653.721009]  ? kvm_clock_read+0x18/0x30
[  653.724983]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  653.730005]  ? print_usage_bug+0xc0/0xc0
[  653.734069]  ? __lock_acquire+0x62f/0x4c20
[  653.738309]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  653.743930]  ? should_fail+0x22d/0xd01
[  653.747842]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  653.753136]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  653.758240]  ? __lock_acquire+0x62f/0x4c20
[  653.762488]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  653.767588]  ? __lock_acquire+0x62f/0x4c20
[  653.771818]  ? should_fail+0x22d/0xd01
[  653.775697]  ? rcu_irq_exit+0x1a2/0x390
[  653.779674]  ? mark_held_locks+0x130/0x130
[  653.783907]  ? mark_held_locks+0x130/0x130
[  653.788145]  ? mark_held_locks+0xc7/0x130
[  653.792296]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  653.797307]  ? zap_class+0x640/0x640
[  653.801036]  ? print_usage_bug+0xc0/0xc0
[  653.805108]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  653.810647]  ? check_preemption_disabled+0x48/0x280
[  653.815697]  ? __lock_is_held+0xb5/0x140
[  653.819763]  __alloc_pages_nodemask+0xad8/0xea0
[  653.824434]  ? zap_class+0x640/0x640
[  653.828151]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  653.833177]  ? find_held_lock+0x36/0x1c0
[  653.837249]  ? ____cache_alloc_node+0x1c7/0x1e0
[  653.841973]  ? lock_downgrade+0x900/0x900
[  653.846131]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  653.851705]  cache_grow_begin+0xa5/0x8c0
[  653.855764]  ? do_raw_spin_unlock+0xa7/0x330
[  653.860194]  fallback_alloc+0x204/0x2e0
[  653.864193]  ____cache_alloc_node+0x1c7/0x1e0
[  653.868707]  kmem_cache_alloc_node+0xe3/0x730
[  653.873562]  ? ipv6_get_ifaddr+0x42e/0x620
[  653.877809]  __alloc_skb+0x119/0x770
[  653.881524]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  653.886807]  ? netdev_alloc_frag+0x1f0/0x1f0
[  653.891229]  ? lock_downgrade+0x900/0x900
[  653.895419]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  653.900954]  ? refcount_sub_and_test_checked+0x203/0x310
[  653.906435]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  653.911904]  ? addrconf_rs_timer+0x690/0x690
[  653.916344]  ndisc_alloc_skb+0x144/0x340
[  653.920412]  ndisc_send_rs+0x331/0x6e0
[  653.924330]  addrconf_rs_timer+0x314/0x690
[  653.928572]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  653.932816]  call_timer_fn+0x272/0x920
[  653.936706]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  653.940942]  ? process_timeout+0x40/0x40
[  653.945012]  ? mark_held_locks+0xc7/0x130
[  653.949163]  ? _raw_spin_unlock_irq+0x27/0x80
[  653.953655]  ? _raw_spin_unlock_irq+0x27/0x80
[  653.958162]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  653.962591]  ? lockdep_hardirqs_on+0x296/0x5b0
[  653.967174]  ? trace_hardirqs_on+0xbd/0x310
[  653.971495]  ? kasan_check_read+0x11/0x20
[  653.975641]  ? __run_timers+0x7da/0xc70
[  653.979616]  ? trace_hardirqs_off_caller+0x310/0x310
[  653.984725]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  653.988963]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  653.993195]  __run_timers+0x7e5/0xc70
[  653.997010]  ? timer_fixup_init+0x70/0x70
[  654.001163]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  654.006181]  ? zap_class+0x640/0x640
[  654.009902]  ? print_usage_bug+0xc0/0xc0
[  654.013967]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  654.019180]  ? find_held_lock+0x36/0x1c0
[  654.023258]  ? zap_class+0x640/0x640
[  654.026982]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.032519]  ? check_preemption_disabled+0x48/0x280
[  654.037554]  ? __lock_is_held+0xb5/0x140
[  654.041614]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.047146]  ? check_preemption_disabled+0x48/0x280
[  654.052164]  run_timer_softirq+0x52/0xb0
[  654.056225]  ? rcu_read_lock_sched_held+0x14f/0x180
[  654.061241]  __do_softirq+0x308/0xb7e
[  654.065048]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  654.069544]  ? lock_downgrade+0x900/0x900
[  654.073697]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  654.078804]  ? pvclock_read_flags+0x160/0x160
[  654.083309]  ? lapic_next_event+0x5a/0x90
[  654.087457]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.093016]  ? kvm_clock_read+0x18/0x30
[  654.097127]  ? kvm_sched_clock_read+0x9/0x20
[  654.101562]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  654.107101]  ? check_preemption_disabled+0x48/0x280
[  654.112160]  irq_exit+0x17f/0x1c0
[  654.115619]  smp_apic_timer_interrupt+0x1cb/0x760
[  654.120466]  ? smp_call_function_single_interrupt+0x159/0x650
[  654.126356]  ? smp_call_function_single_interrupt+0x650/0x650
[  654.132239]  ? interrupt_entry+0xb5/0xc0
[  654.136311]  ? trace_hardirqs_off_caller+0xbb/0x310
[  654.141344]  ? trace_hardirqs_off_caller+0xbb/0x310
[  654.146364]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  654.151210]  ? trace_hardirqs_on_caller+0x310/0x310
[  654.156230]  ? trace_hardirqs_on_caller+0x310/0x310
[  654.161248]  ? task_prio+0x50/0x50
[  654.164972]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.170510]  ? check_preemption_disabled+0x48/0x280
[  654.175575]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  654.180429]  apic_timer_interrupt+0xf/0x20
[  654.184660]  </IRQ>
[  654.186912] RIP: 0010:rcu_is_watching+0x0/0x30
[  654.191495] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
[  654.210391] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  654.218098] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
[  654.225376] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
[  654.232657] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
[  654.239926] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
[  654.247211] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  654.254499]  ? list_lru_count_one+0x253/0x450
[  654.259002]  ? list_lru_count_one+0x35d/0x450
[  654.263504]  ? list_lru_count_one+0x362/0x450
[  654.268007]  ? list_lru_isolate_move+0x3c0/0x3c0
[  654.272766]  ? shmem_free_inode+0xd0/0xd0
[  654.276921]  ? __lock_is_held+0xb5/0x140
[  654.281009]  super_cache_count+0x1b9/0x2e0
[  654.285248]  do_shrink_slab+0x1b1/0xd30
[  654.289297]  ? snapshot_refaults+0x290/0x290
[  654.293726]  ? lock_release+0xa00/0xa00
[  654.297710]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  654.302651]  ? down_read_trylock+0xda/0x140
[  654.306970]  ? shrink_slab+0x207/0x8c0
[  654.310860]  ? downgrade_write+0x270/0x270
[  654.315109]  shrink_slab+0x389/0x8c0
[  654.318826]  ? shrink_active_list+0x1f00/0x1f00
[  654.323521]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  654.329166]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  654.334282]  ? cgroup_procs_write_finish+0xf0/0xf0
[  654.339252]  ? find_held_lock+0x36/0x1c0
[  654.343362]  shrink_node+0x431/0x16b0
[  654.347165]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  654.352468]  ? shrink_node_memcg+0x18f0/0x18f0
[  654.357060]  ? kvm_clock_read+0x18/0x30
[  654.361054]  ? ktime_get+0x2c1/0x400
[  654.364774]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  654.369281]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  654.374836]  ? __cpuset_node_allowed+0x19b/0x660
[  654.379602]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  654.385318]  ? delayacct_end+0x5a/0x100
[  654.389311]  do_try_to_free_pages+0x3e7/0x1290
[  654.393897]  ? zap_class+0x640/0x640
[  654.397630]  ? shrink_node+0x16b0/0x16b0
[  654.401696]  ? __lock_is_held+0xb5/0x140
[  654.405773]  try_to_free_pages+0x4d0/0xb90
[  654.410015]  ? do_try_to_free_pages+0x1290/0x1290
[  654.414873]  ? lock_acquire+0x1ed/0x520
[  654.418847]  ? set_page_refcounted+0x280/0x280
[  654.423436]  ? lock_release+0xa00/0xa00
[  654.427413]  ? _raw_spin_unlock_irq+0x60/0x80
[  654.431911]  ? psi_memstall_enter+0x240/0x2b0
[  654.436413]  ? psi_memstall_tick+0x230/0x230
[  654.440836]  __alloc_pages_slowpath+0xa48/0x2de0
[  654.445627]  ? warn_alloc+0x120/0x120
[  654.449429]  ? mark_held_locks+0x130/0x130
[  654.453673]  ? find_get_entry+0xaae/0x1120
[  654.457919]  ? filemap_map_pages+0x1a20/0x1a20
[  654.462513]  ? zap_class+0x640/0x640
[  654.466243]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.471791]  ? check_preemption_disabled+0x48/0x280
[  654.476809]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  654.482351]  ? should_fail+0x22d/0xd01
[  654.486245]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  654.491357]  ? zap_class+0x640/0x640
[  654.495099]  ? __lock_is_held+0xb5/0x140
[  654.499170]  ? mark_held_locks+0x130/0x130
[  654.503412]  ? lock_release+0xa00/0xa00
[  654.507390]  ? perf_trace_sched_process_exec+0x860/0x860
[  654.512840]  ? xa_load+0x2ba/0x460
[  654.516384]  ? lock_downgrade+0x900/0x900
[  654.520556]  ? __might_sleep+0x95/0x190
[  654.524543]  __alloc_pages_nodemask+0xad8/0xea0
[  654.529232]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  654.534252]  ? __page_cache_alloc+0x191/0x5c0
[  654.538763]  ? xa_load+0x2e1/0x460
[  654.542308]  ? xa_clear_mark+0x40/0x40
[  654.546215]  ? zap_class+0x640/0x640
[  654.549940]  ? zap_class+0x640/0x640
[  654.553656]  ? zap_class+0x640/0x640
[  654.557369]  ? __do_page_cache_readahead+0x663/0x810
[  654.562493]  ? find_held_lock+0x36/0x1c0
[  654.566579]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  654.572127]  alloc_pages_current+0x173/0x350
[  654.576547]  __page_cache_alloc+0x38c/0x5c0
[  654.580872]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  654.585802]  ? kasan_check_read+0x11/0x20
[  654.589948]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  654.595228]  ? generic_perform_write+0x6a0/0x6a0
[  654.599986]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  654.605527]  ? check_preemption_disabled+0x48/0x280
[  654.610562]  filemap_fault+0x1595/0x25f0
[  654.614639]  ? __lock_page_or_retry+0xa00/0xa00
[  654.619325]  ? mark_held_locks+0x130/0x130
[  654.623590]  ? filemap_map_pages+0xd6b/0x1a20
[  654.628115]  ? lock_downgrade+0x900/0x900
[  654.632282]  ? check_preemption_disabled+0x48/0x280
[  654.637334]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  654.642265]  ? kasan_check_read+0x11/0x20
[  654.646421]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  654.651700]  ? rcu_softirq_qs+0x20/0x20
[  654.655701]  ? filemap_map_pages+0xd92/0x1a20
[  654.660212]  ? find_get_entries_tag+0x1400/0x1400
[  654.665063]  ? debug_object_destroy+0x2b0/0x2b0
[  654.669737]  ? lock_pi_update_atomic+0x150/0x150
[  654.674529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.680116]  ? lock_acquire+0x1ed/0x520
[  654.684090]  ? ext4_filemap_fault+0x7a/0xad
[  654.688422]  ? lock_release+0xa00/0xa00
[  654.692395]  ? perf_trace_sched_process_exec+0x860/0x860
[  654.697880]  ? print_usage_bug+0xc0/0xc0
[  654.701958]  ? print_usage_bug+0xc0/0xc0
[  654.706035]  ? down_read+0x8d/0x120
[  654.709661]  ? ext4_filemap_fault+0x7a/0xad
[  654.713985]  ? __down_interruptible+0x700/0x700
[  654.718663]  ext4_filemap_fault+0x82/0xad
[  654.722813]  __do_fault+0x100/0x6b0
[  654.726438]  ? release_sock+0x1ec/0x2c0
[  654.730415]  ? pmd_devmap_trans_unstable+0x220/0x220
[  654.735522]  ? mark_held_locks+0x130/0x130
[  654.739770]  ? mark_held_locks+0x130/0x130
[  654.744003]  ? lock_sock_nested+0x9a/0x120
[  654.748239]  ? __release_sock+0x3a0/0x3a0
[  654.752459]  ? __local_bh_enable_ip+0x160/0x260
[  654.757152]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  654.762695]  __handle_mm_fault+0x3ea0/0x5be0
[  654.767112]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  654.771958]  ? apparmor_socket_sendmsg+0x29/0x30
[  654.776716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.782290]  ? security_socket_sendmsg+0x94/0xc0
[  654.787084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.792639]  ? zap_class+0x640/0x640
[  654.796399]  ? zap_class+0x640/0x640
[  654.800126]  ? __x64_sys_futex+0x53e/0x6a0
[  654.804400]  ? find_held_lock+0x36/0x1c0
[  654.808473]  ? handle_mm_fault+0x42a/0xc70
[  654.812723]  ? lock_downgrade+0x900/0x900
[  654.816878]  ? check_preemption_disabled+0x48/0x280
[  654.821896]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  654.826825]  ? kasan_check_read+0x11/0x20
[  654.830970]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  654.836247]  ? rcu_softirq_qs+0x20/0x20
[  654.840230]  ? trace_hardirqs_off_caller+0x310/0x310
[  654.845337]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  654.850881]  ? check_preemption_disabled+0x48/0x280
[  654.855936]  handle_mm_fault+0x54f/0xc70
[  654.860015]  ? __handle_mm_fault+0x5be0/0x5be0
[  654.864605]  ? find_vma+0x34/0x190
[  654.868152]  __do_page_fault+0x5e8/0xe60
[  654.872212]  ? trace_hardirqs_off+0xb8/0x310
[  654.876634]  ? __ia32_sys_read+0xb0/0xb0
[  654.880704]  do_page_fault+0xf2/0x7e0
[  654.884507]  ? vmalloc_sync_all+0x30/0x30
[  654.888677]  ? error_entry+0x70/0xd0
[  654.892392]  ? trace_hardirqs_off_caller+0xbb/0x310
[  654.897443]  ? trace_hardirqs_on_caller+0xc0/0x310
[  654.902388]  ? syscall_return_slowpath+0x5e0/0x5e0
[  654.907337]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  654.912188]  ? trace_hardirqs_on_caller+0x310/0x310
[  654.917205]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  654.922662]  ? prepare_exit_to_usermode+0x291/0x3b0
[  654.927700]  ? page_fault+0x8/0x30
[  654.931254]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  654.936132]  ? page_fault+0x8/0x30
[  654.939675]  page_fault+0x1e/0x30
[  654.943126] RIP: 0033:0x45ddf3
[  654.946326] Code: Bad RIP value.
[  654.949685] RSP: 002b:000000c420023ea0 EFLAGS: 00010202
[  654.955045] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
[  654.962311] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  654.969577] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  654.976849] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  654.984119] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
[  654.991434] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304
[  654.991440] warn_alloc_show_mem: 1 callbacks suppressed
[  654.991447] Mem-Info:
[  654.998719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  655.004087] active_anon:59588 inactive_anon:187 isolated_anon:0
[  655.004087]  active_file:13 inactive_file:14 isolated_file:0
[  655.004087]  unevictable:0 dirty:0 writeback:0 unstable:0
[  655.004087]  slab_reclaimable:10147 slab_unreclaimable:1445690
[  655.004087]  mapped:49154 shmem:244 pagetables:690 bounce:0
[  655.004087]  free:13773 free_pcp:174 free_cma:0
[  655.006462] Call Trace:
[  655.015850] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  655.048788]  <IRQ>
[  655.051362] 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
[  655.078870]  dump_stack+0x244/0x39d
[  655.080998] lowmem_reserve[]: 0 2818 6321 6321
[  655.107122]  ? dump_stack_print_info.cold.1+0x20/0x20
[  655.110756] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  655.115371]  warn_alloc.cold.116+0xb7/0x1bd
[  655.120529] lowmem_reserve[]: 0 0 3503 3503
[  655.148027]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  655.152328] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB
[  655.156659]  ? lock_downgrade+0x900/0x900
[  655.161487] lowmem_reserve[]: 0 0 0 0
[  655.190372]  ? trace_hardirqs_off+0xb8/0x310
[  655.194494] 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
[  655.198302]  ? trace_hardirqs_off+0xb8/0x310
[  655.202686] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
[  655.216208]  __alloc_pages_slowpath+0x2651/0x2de0
[  655.220591] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  655.236582]  ? warn_alloc+0x120/0x120
[  655.241388] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  655.254992]  ? warn_alloc+0x120/0x120
[  655.258773] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  655.267599]  ? warn_alloc+0x120/0x120
[  655.271376] 271 total pagecache pages
[  655.279946]  ? print_usage_bug+0xc0/0xc0
[  655.283733] 0 pages in swap cache
[  655.287522]  ? enqueue_hrtimer+0x1a5/0x560
[  655.291574] Swap cache stats: add 0, delete 0, find 0/0
[  655.295052]  ? print_usage_bug+0xc0/0xc0
[  655.299290] Free swap  = 0kB
[  655.304649]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  655.308686] Total swap = 0kB
[  655.311703]  ? print_usage_bug+0xc0/0xc0
[  655.316879] 1965979 pages RAM
[  655.319895]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  655.323931] 0 pages HighMem/MovableOnly
[  655.327038]  ? should_fail+0x22d/0xd01
[  655.332548] 342854 pages reserved
[  655.336550]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  655.340417] 0 pages cma reserved
[  655.343865]  ? __lock_acquire+0x62f/0x4c20
[  655.349005] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  655.352314]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  655.356710] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  655.363016]  ? __lock_acquire+0x62f/0x4c20
[  655.368094] syz-fuzzer cpuset=/ mems_allowed=0
[  655.378311]  ? should_fail+0x22d/0xd01
[  655.378337]  ? mark_held_locks+0x130/0x130
[  655.395217]  ? mark_held_locks+0x130/0x130
[  655.399460]  ? mark_held_locks+0x130/0x130
[  655.403698]  ? zap_class+0x640/0x640
[  655.407440]  ? check_preemption_disabled+0x48/0x280
[  655.412459]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  655.416964]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.422503]  ? check_preemption_disabled+0x48/0x280
[  655.427531]  ? __lock_is_held+0xb5/0x140
[  655.431600]  __alloc_pages_nodemask+0xad8/0xea0
[  655.436280]  ? zap_class+0x640/0x640
[  655.440003]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  655.445039]  ? find_held_lock+0x36/0x1c0
[  655.449109]  ? ____cache_alloc_node+0x1c7/0x1e0
[  655.453780]  ? lock_downgrade+0x900/0x900
[  655.457940]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.463483]  cache_grow_begin+0xa5/0x8c0
[  655.467547]  ? do_raw_spin_unlock+0xa7/0x330
[  655.471965]  fallback_alloc+0x204/0x2e0
[  655.475949]  ____cache_alloc_node+0x1c7/0x1e0
[  655.480458]  kmem_cache_alloc+0x1f8/0x730
[  655.484635]  __build_skb+0xab/0x430
[  655.488287]  ? skb_try_coalesce+0x1b70/0x1b70
[  655.492791]  ? trace_hardirqs_on+0xbd/0x310
[  655.497119]  ? br_send_bpdu.isra.7.constprop.8+0xa8/0xc80
[  655.502677]  ? trace_hardirqs_off_caller+0x310/0x310
[  655.507788]  ? mod_timer+0x631/0x1560
[  655.511598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.517142]  ? check_preemption_disabled+0x48/0x280
[  655.522209]  __netdev_alloc_skb+0x2b5/0x450
[  655.526545]  br_send_bpdu.isra.7.constprop.8+0xa8/0xc80
[  655.531922]  ? br_send_bpdu_finish+0x20/0x20
[  655.536344]  ? mark_held_locks+0x130/0x130
[  655.540584]  ? __lock_acquire+0x62f/0x4c20
[  655.544820]  ? queue_work_on+0x148/0x1e0
[  655.548885]  ? lockdep_hardirqs_on+0x296/0x5b0
[  655.553484]  br_send_config_bpdu+0xc9d/0x10a0
[  655.557988]  ? br_send_bpdu.isra.7.constprop.8+0xc80/0xc80
[  655.563628]  ? round_jiffies+0x11c/0x170
[  655.567701]  ? queue_work_on+0x12c/0x1e0
[  655.571781]  br_transmit_config+0x8cd/0xbb0
[  655.576116]  ? br_get_port+0x280/0x280
[  655.580010]  ? lock_acquire+0x1ed/0x520
[  655.583991]  ? br_hello_timer_expired+0x20/0x190
[  655.588761]  ? kasan_check_read+0x11/0x20
[  655.592931]  br_config_bpdu_generation+0x16a/0x1c0
[  655.597866]  br_hello_timer_expired+0xa9/0x190
[  655.602450]  call_timer_fn+0x272/0x920
[  655.606340]  ? br_is_root_bridge+0x40/0x40
[  655.610596]  ? process_timeout+0x40/0x40
[  655.614669]  ? __run_timers+0x7da/0xc70
[  655.618647]  ? _raw_spin_unlock_irq+0x27/0x80
[  655.623140]  ? _raw_spin_unlock_irq+0x27/0x80
[  655.627634]  ? br_is_root_bridge+0x40/0x40
[  655.631871]  ? lockdep_hardirqs_on+0x296/0x5b0
[  655.636458]  ? trace_hardirqs_on+0xbd/0x310
[  655.640784]  ? kasan_check_read+0x11/0x20
[  655.644932]  ? __run_timers+0x7da/0xc70
[  655.648908]  ? trace_hardirqs_off_caller+0x310/0x310
[  655.654026]  ? br_is_root_bridge+0x40/0x40
[  655.658266]  __run_timers+0x7e5/0xc70
[  655.662092]  ? timer_fixup_init+0x70/0x70
[  655.666281]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  655.671330]  ? zap_class+0x640/0x640
[  655.675073]  ? enqueue_hrtimer+0x1a5/0x560
[  655.679315]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  655.684515]  ? find_held_lock+0x36/0x1c0
[  655.688579]  ? zap_class+0x640/0x640
[  655.692346]  ? pvclock_read_flags+0x160/0x160
[  655.696846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.702388]  ? check_preemption_disabled+0x48/0x280
[  655.707415]  ? __lock_is_held+0xb5/0x140
[  655.711480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.717022]  ? check_preemption_disabled+0x48/0x280
[  655.722054]  run_timer_softirq+0x52/0xb0
[  655.726114]  ? rcu_read_lock_sched_held+0x14f/0x180
[  655.731130]  __do_softirq+0x308/0xb7e
[  655.734933]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  655.739429]  ? lock_downgrade+0x900/0x900
[  655.743581]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  655.748693]  ? pvclock_read_flags+0x160/0x160
[  655.753190]  ? lapic_next_event+0x5a/0x90
[  655.757361]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.762906]  ? kvm_clock_read+0x18/0x30
[  655.766879]  ? kvm_sched_clock_read+0x9/0x20
[  655.771325]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.776885]  ? check_preemption_disabled+0x48/0x280
[  655.781914]  irq_exit+0x17f/0x1c0
[  655.785368]  smp_apic_timer_interrupt+0x1cb/0x760
[  655.790210]  ? smp_reschedule_interrupt+0x109/0x650
[  655.795233]  ? smp_call_function_single_interrupt+0x650/0x650
[  655.801120]  ? interrupt_entry+0xb5/0xc0
[  655.805183]  ? trace_hardirqs_off_caller+0xbb/0x310
[  655.810198]  ? trace_hardirqs_off_caller+0xbb/0x310
[  655.815213]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  655.820060]  ? trace_hardirqs_on_caller+0x310/0x310
[  655.825073]  ? trace_hardirqs_on_caller+0x310/0x310
[  655.830101]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  655.834970]  apic_timer_interrupt+0xf/0x20
[  655.839230]  </IRQ>
[  655.841470] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  655.847357] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
[  655.866255] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  655.873973] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  655.881239] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286
[  655.888513] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000
[  655.895778] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40
[  655.903079] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286
[  655.910395]  ? save_stack+0xa9/0xd0
[  655.914044]  __kmalloc_node_track_caller+0x3c/0x70
[  655.918994]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  655.923759]  pskb_expand_head+0x230/0x10f0
[  655.927997]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  655.933458]  ? memcpy+0x45/0x50
[  655.936760]  ? __copy_skb_header+0x350/0x6b0
[  655.941173]  ? skb_release_data+0x880/0x880
[  655.945493]  ? __alloc_skb+0x770/0x770
[  655.949394]  ? __lock_is_held+0xb5/0x140
[  655.953463]  ? kasan_check_write+0x14/0x20
[  655.957699]  ? __skb_clone+0x6c7/0xa00
[  655.961594]  ? __copy_skb_header+0x6b0/0x6b0
[  655.966134]  ? kmem_cache_alloc+0x33a/0x730
[  655.970465]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.976012]  skb_ensure_writable+0x3dd/0x640
[  655.980461]  ? skb_checksum_setup+0xaa0/0xaa0
[  655.984966]  ? preempt_notifier_register+0x200/0x200
[  655.990068]  ? __switch_to_asm+0x34/0x70
[  655.994129]  ? __switch_to_asm+0x34/0x70
[  655.998190]  ? __switch_to_asm+0x40/0x70
[  656.002253]  ? __switch_to_asm+0x34/0x70
[  656.006321]  ? __switch_to_asm+0x40/0x70
[  656.010399]  ? __switch_to_asm+0x40/0x70
[  656.014460]  ? __switch_to_asm+0x34/0x70
[  656.018523]  ? __switch_to_asm+0x34/0x70
[  656.022582]  ? __switch_to_asm+0x40/0x70
[  656.026640]  ? __switch_to_asm+0x34/0x70
[  656.030709]  bpf_clone_redirect+0x14a/0x490
[  656.035086]  bpf_prog_12ab75334035c288+0xfcd/0x1000
[  656.040106]  ? __sched_text_start+0x8/0x8
[  656.044262]  ? retint_kernel+0x2d/0x2d
[  656.048179]  ? find_held_lock+0x36/0x1c0
[  656.052256]  ? lock_acquire+0x1ed/0x520
[  656.056246]  ? bpf_test_run+0x3cb/0x780
[  656.060247]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  656.065808]  ? check_preemption_disabled+0x48/0x280
[  656.070853]  ? kasan_check_read+0x11/0x20
[  656.075015]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  656.080310]  ? rcu_softirq_qs+0x20/0x20
[  656.084309]  ? preempt_schedule+0x4d/0x60
[  656.088478]  ? ___preempt_schedule+0x16/0x18
[  656.092899]  ? bpf_test_run+0x25d/0x780
[  656.097329]  ? netlink_diag_dump+0x2a0/0x2a0
[  656.101743]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  656.107289]  ? bpf_test_init.isra.10+0x70/0x100
[  656.111972]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  656.116753]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  656.121611]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  656.127148]  ? fput+0x130/0x1a0
[  656.130450]  ? __bpf_prog_get+0x9b/0x290
[  656.134514]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  656.139377]  ? bpf_prog_test_run+0x130/0x1a0
[  656.143805]  ? __x64_sys_bpf+0x3d8/0x520
[  656.147870]  ? bpf_prog_get+0x20/0x20
[  656.151692]  ? do_syscall_64+0x1b9/0x820
[  656.155767]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  656.161162]  ? syscall_return_slowpath+0x5e0/0x5e0
[  656.166100]  ? trace_hardirqs_on_caller+0x310/0x310
[  656.171130]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  656.176177]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  656.182844]  ? __switch_to_asm+0x40/0x70
[  656.186902]  ? __switch_to_asm+0x34/0x70
[  656.190972]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  656.195823]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  656.201206] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
[  656.201449] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  656.208246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  656.218727] syz-executor3 cpuset=syz3 mems_allowed=0
[  656.228066] Call Trace:
[  656.235726]  <IRQ>
[  656.237886]  dump_stack+0x244/0x39d
[  656.241541]  ? dump_stack_print_info.cold.1+0x20/0x20
[  656.246744]  warn_alloc.cold.116+0xb7/0x1bd
[  656.251071]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  656.255918]  ? lock_downgrade+0x900/0x900
[  656.260073]  ? trace_hardirqs_off+0xb8/0x310
[  656.264491]  ? trace_hardirqs_off+0xb8/0x310
[  656.268944]  __alloc_pages_slowpath+0x2651/0x2de0
[  656.273817]  ? warn_alloc+0x120/0x120
[  656.277637]  ? print_usage_bug+0xc0/0xc0
[  656.281700]  ? warn_alloc+0x120/0x120
[  656.285507]  ? warn_alloc+0x120/0x120
[  656.289324]  ? print_usage_bug+0xc0/0xc0
[  656.293382]  ? print_usage_bug+0xc0/0xc0
[  656.297442]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  656.302458]  ? print_usage_bug+0xc0/0xc0
[  656.306526]  ? __lock_acquire+0x62f/0x4c20
[  656.310790]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  656.316346]  ? should_fail+0x22d/0xd01
[  656.320246]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  656.325363]  ? __lock_acquire+0x62f/0x4c20
[  656.329602]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  656.334702]  ? __lock_acquire+0x62f/0x4c20
[  656.338933]  ? should_fail+0x22d/0xd01
[  656.342832]  ? mark_held_locks+0x130/0x130
[  656.347089]  ? mark_held_locks+0x130/0x130
[  656.351341]  ? __lock_acquire+0x62f/0x4c20
[  656.355577]  ? lock_downgrade+0x900/0x900
[  656.359725]  ? check_preemption_disabled+0x48/0x280
[  656.364746]  ? zap_class+0x640/0x640
[  656.368461]  ? print_usage_bug+0xc0/0xc0
[  656.372527]  ? kasan_check_read+0x11/0x20
[  656.376684]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  656.382221]  ? check_preemption_disabled+0x48/0x280
[  656.387248]  ? __lock_is_held+0xb5/0x140
[  656.391325]  __alloc_pages_nodemask+0xad8/0xea0
[  656.395998]  ? zap_class+0x640/0x640
[  656.399728]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  656.404757]  ? find_held_lock+0x36/0x1c0
[  656.408833]  ? ____cache_alloc_node+0x1c7/0x1e0
[  656.413503]  ? lock_downgrade+0x900/0x900
[  656.417670]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  656.423213]  cache_grow_begin+0xa5/0x8c0
[  656.427282]  ? do_raw_spin_unlock+0xa7/0x330
[  656.431704]  fallback_alloc+0x204/0x2e0
[  656.435690]  ____cache_alloc_node+0x1c7/0x1e0
[  656.440195]  kmem_cache_alloc_node+0xe3/0x730
[  656.444697]  ? ipv6_get_ifaddr+0x42e/0x620
[  656.448945]  __alloc_skb+0x119/0x770
[  656.452659]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  656.457942]  ? netdev_alloc_frag+0x1f0/0x1f0
[  656.462357]  ? lock_downgrade+0x900/0x900
[  656.466517]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  656.472063]  ? refcount_sub_and_test_checked+0x203/0x310
[  656.477523]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  656.482987]  ? addrconf_rs_timer+0x690/0x690
[  656.487448]  ndisc_alloc_skb+0x144/0x340
[  656.491518]  ndisc_send_rs+0x331/0x6e0
[  656.495415]  addrconf_rs_timer+0x314/0x690
[  656.499686]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  656.503936]  call_timer_fn+0x272/0x920
[  656.507829]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  656.512096]  ? process_timeout+0x40/0x40
[  656.516183]  ? mark_held_locks+0xc7/0x130
[  656.520334]  ? _raw_spin_unlock_irq+0x27/0x80
[  656.524856]  ? _raw_spin_unlock_irq+0x27/0x80
[  656.529366]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  656.533622]  ? lockdep_hardirqs_on+0x296/0x5b0
[  656.538208]  ? trace_hardirqs_on+0xbd/0x310
[  656.542549]  ? kasan_check_read+0x11/0x20
[  656.546697]  ? __run_timers+0x7da/0xc70
[  656.550673]  ? trace_hardirqs_off_caller+0x310/0x310
[  656.555797]  ? inet_twsk_kill+0x670/0x670
[  656.560004]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  656.564254]  __run_timers+0x7e5/0xc70
[  656.568101]  ? timer_fixup_init+0x70/0x70
[  656.572255]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  656.577302]  ? zap_class+0x640/0x640
[  656.581025]  ? print_usage_bug+0xc0/0xc0
[  656.585087]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  656.590317]  ? find_held_lock+0x36/0x1c0
[  656.594388]  ? zap_class+0x640/0x640
[  656.598107]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  656.603650]  ? check_preemption_disabled+0x48/0x280
[  656.608680]  ? __lock_is_held+0xb5/0x140
[  656.612744]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  656.618291]  ? check_preemption_disabled+0x48/0x280
[  656.623315]  run_timer_softirq+0x52/0xb0
[  656.627379]  ? rcu_read_lock_sched_held+0x14f/0x180
[  656.632428]  __do_softirq+0x308/0xb7e
[  656.636232]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  656.640758]  ? lock_downgrade+0x900/0x900
[  656.644915]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  656.650027]  ? pvclock_read_flags+0x160/0x160
[  656.654529]  ? lapic_next_event+0x5a/0x90
[  656.658687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  656.664230]  ? kvm_clock_read+0x18/0x30
[  656.668203]  ? kvm_sched_clock_read+0x9/0x20
[  656.672621]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  656.678179]  ? check_preemption_disabled+0x48/0x280
[  656.683223]  irq_exit+0x17f/0x1c0
[  656.686704]  smp_apic_timer_interrupt+0x1cb/0x760
[  656.691554]  ? smp_call_function_single_interrupt+0x159/0x650
[  656.697441]  ? smp_call_function_single_interrupt+0x650/0x650
[  656.703333]  ? interrupt_entry+0xb5/0xc0
[  656.707402]  ? trace_hardirqs_off_caller+0xbb/0x310
[  656.712416]  ? trace_hardirqs_off_caller+0xbb/0x310
[  656.717438]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  656.722287]  ? trace_hardirqs_on_caller+0x310/0x310
[  656.727309]  ? trace_hardirqs_on_caller+0x310/0x310
[  656.732325]  ? task_prio+0x50/0x50
[  656.735868]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  656.741410]  ? check_preemption_disabled+0x48/0x280
[  656.746436]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  656.752592]  apic_timer_interrupt+0xf/0x20
[  656.756835]  </IRQ>
[  656.759071] RIP: 0010:rcu_is_watching+0x0/0x30
[  656.763655] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
[  656.782558] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  656.790279] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
[  656.797575] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
[  656.804887] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
[  656.812154] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
[  656.819440] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  656.826733]  ? list_lru_count_one+0x253/0x450
[  656.831229]  ? list_lru_count_one+0x35d/0x450
[  656.835730]  ? list_lru_count_one+0x362/0x450
[  656.840227]  ? list_lru_isolate_move+0x3c0/0x3c0
[  656.844982]  ? shmem_free_inode+0xd0/0xd0
[  656.849131]  ? __lock_is_held+0xb5/0x140
[  656.853231]  super_cache_count+0x1b9/0x2e0
[  656.857473]  do_shrink_slab+0x1b1/0xd30
[  656.861461]  ? snapshot_refaults+0x290/0x290
[  656.865875]  ? lock_release+0xa00/0xa00
[  656.869858]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  656.874800]  ? down_read_trylock+0xda/0x140
[  656.879118]  ? shrink_slab+0x207/0x8c0
[  656.883006]  ? downgrade_write+0x270/0x270
[  656.887253]  shrink_slab+0x389/0x8c0
[  656.890988]  ? shrink_active_list+0x1f00/0x1f00
[  656.895664]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  656.901345]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  656.906463]  ? cgroup_procs_write_finish+0xf0/0xf0
[  656.911405]  ? find_held_lock+0x36/0x1c0
[  656.915476]  shrink_node+0x431/0x16b0
[  656.919287]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  656.924595]  ? shrink_node_memcg+0x18f0/0x18f0
[  656.929188]  ? kvm_clock_read+0x18/0x30
[  656.933167]  ? ktime_get+0x2c1/0x400
[  656.936916]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  656.941416]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  656.946952]  ? __cpuset_node_allowed+0x19b/0x660
[  656.951714]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  656.957429]  ? delayacct_end+0x5a/0x100
[  656.961416]  do_try_to_free_pages+0x3e7/0x1290
[  656.965998]  ? zap_class+0x640/0x640
[  656.969729]  ? shrink_node+0x16b0/0x16b0
[  656.973793]  ? __lock_is_held+0xb5/0x140
[  656.977871]  try_to_free_pages+0x4d0/0xb90
[  656.982115]  ? do_try_to_free_pages+0x1290/0x1290
[  656.986974]  ? lock_acquire+0x1ed/0x520
[  656.990949]  ? set_page_refcounted+0x280/0x280
[  656.995547]  ? lock_release+0xa00/0xa00
[  656.999523]  ? _raw_spin_unlock_irq+0x60/0x80
[  657.004045]  ? psi_memstall_enter+0x240/0x2b0
[  657.008558]  ? psi_memstall_tick+0x230/0x230
[  657.012980]  __alloc_pages_slowpath+0xa48/0x2de0
[  657.017767]  ? warn_alloc+0x120/0x120
[  657.021568]  ? mark_held_locks+0x130/0x130
[  657.025809]  ? find_get_entry+0xaae/0x1120
[  657.030055]  ? filemap_map_pages+0x1a20/0x1a20
[  657.034650]  ? zap_class+0x640/0x640
[  657.038377]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.043920]  ? check_preemption_disabled+0x48/0x280
[  657.048941]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  657.054503]  ? should_fail+0x22d/0xd01
[  657.058405]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  657.063513]  ? zap_class+0x640/0x640
[  657.067263]  ? __lock_is_held+0xb5/0x140
[  657.071346]  ? mark_held_locks+0x130/0x130
[  657.075588]  ? lock_release+0xa00/0xa00
[  657.079566]  ? perf_trace_sched_process_exec+0x860/0x860
[  657.085018]  ? xa_load+0x2ba/0x460
[  657.088566]  ? lock_downgrade+0x900/0x900
[  657.092719]  ? __might_sleep+0x95/0x190
[  657.096702]  __alloc_pages_nodemask+0xad8/0xea0
[  657.101382]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  657.106405]  ? __page_cache_alloc+0x191/0x5c0
[  657.110900]  ? xa_load+0x2e1/0x460
[  657.114439]  ? xa_clear_mark+0x40/0x40
[  657.118330]  ? zap_class+0x640/0x640
[  657.122058]  ? zap_class+0x640/0x640
[  657.125770]  ? zap_class+0x640/0x640
[  657.129504]  ? __do_page_cache_readahead+0x663/0x810
[  657.134617]  ? find_held_lock+0x36/0x1c0
[  657.138701]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  657.144248]  alloc_pages_current+0x173/0x350
[  657.148674]  __page_cache_alloc+0x38c/0x5c0
[  657.153001]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  657.157932]  ? kasan_check_read+0x11/0x20
[  657.162082]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  657.167383]  ? generic_perform_write+0x6a0/0x6a0
[  657.172142]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  657.177683]  ? check_preemption_disabled+0x48/0x280
[  657.182723]  filemap_fault+0x1595/0x25f0
[  657.186808]  ? __lock_page_or_retry+0xa00/0xa00
[  657.191492]  ? mark_held_locks+0x130/0x130
[  657.195736]  ? filemap_map_pages+0xd6b/0x1a20
[  657.200233]  ? lock_downgrade+0x900/0x900
[  657.204387]  ? check_preemption_disabled+0x48/0x280
[  657.209408]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  657.214338]  ? kasan_check_read+0x11/0x20
[  657.218501]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  657.223798]  ? rcu_softirq_qs+0x20/0x20
[  657.227802]  ? filemap_map_pages+0xd92/0x1a20
[  657.232317]  ? find_get_entries_tag+0x1400/0x1400
[  657.237166]  ? debug_object_destroy+0x2b0/0x2b0
[  657.241842]  ? lock_pi_update_atomic+0x150/0x150
[  657.246600]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.252155]  ? lock_acquire+0x1ed/0x520
[  657.256129]  ? ext4_filemap_fault+0x7a/0xad
[  657.260458]  ? lock_release+0xa00/0xa00
[  657.264433]  ? perf_trace_sched_process_exec+0x860/0x860
[  657.269885]  ? print_usage_bug+0xc0/0xc0
[  657.273950]  ? print_usage_bug+0xc0/0xc0
[  657.278028]  ? down_read+0x8d/0x120
[  657.281653]  ? ext4_filemap_fault+0x7a/0xad
[  657.285979]  ? __down_interruptible+0x700/0x700
[  657.290662]  ext4_filemap_fault+0x82/0xad
[  657.294842]  __do_fault+0x100/0x6b0
[  657.298557]  ? release_sock+0x1ec/0x2c0
[  657.302555]  ? pmd_devmap_trans_unstable+0x220/0x220
[  657.307663]  ? mark_held_locks+0x130/0x130
[  657.312077]  ? mark_held_locks+0x130/0x130
[  657.316311]  ? lock_sock_nested+0x9a/0x120
[  657.320564]  ? __release_sock+0x3a0/0x3a0
[  657.324714]  ? __local_bh_enable_ip+0x160/0x260
[  657.329390]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  657.334932]  __handle_mm_fault+0x3ea0/0x5be0
[  657.339351]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  657.344195]  ? apparmor_socket_sendmsg+0x29/0x30
[  657.348955]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.354498]  ? security_socket_sendmsg+0x94/0xc0
[  657.359286]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.364856]  ? zap_class+0x640/0x640
[  657.368569]  ? zap_class+0x640/0x640
[  657.372309]  ? __x64_sys_futex+0x53e/0x6a0
[  657.376554]  ? find_held_lock+0x36/0x1c0
[  657.380629]  ? handle_mm_fault+0x42a/0xc70
[  657.384869]  ? lock_downgrade+0x900/0x900
[  657.389019]  ? check_preemption_disabled+0x48/0x280
[  657.394043]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  657.398972]  ? kasan_check_read+0x11/0x20
[  657.403135]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  657.408429]  ? rcu_softirq_qs+0x20/0x20
[  657.412406]  ? trace_hardirqs_off_caller+0x310/0x310
[  657.417511]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  657.423084]  ? check_preemption_disabled+0x48/0x280
[  657.428111]  handle_mm_fault+0x54f/0xc70
[  657.432197]  ? __handle_mm_fault+0x5be0/0x5be0
[  657.436788]  ? find_vma+0x34/0x190
[  657.440335]  __do_page_fault+0x5e8/0xe60
[  657.444403]  ? trace_hardirqs_off+0xb8/0x310
[  657.448814]  ? __ia32_sys_read+0xb0/0xb0
[  657.452886]  do_page_fault+0xf2/0x7e0
[  657.456689]  ? vmalloc_sync_all+0x30/0x30
[  657.460842]  ? error_entry+0x70/0xd0
[  657.464562]  ? trace_hardirqs_off_caller+0xbb/0x310
[  657.469580]  ? trace_hardirqs_on_caller+0xc0/0x310
[  657.474509]  ? syscall_return_slowpath+0x5e0/0x5e0
[  657.479444]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  657.484298]  ? trace_hardirqs_on_caller+0x310/0x310
[  657.489316]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  657.494772]  ? prepare_exit_to_usermode+0x291/0x3b0
[  657.499804]  ? page_fault+0x8/0x30
[  657.503351]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  657.508197]  ? page_fault+0x8/0x30
[  657.511743]  page_fault+0x1e/0x30
[  657.515195] RIP: 0033:0x45ddf3
[  657.518402] Code: Bad RIP value.
[  657.521778] RSP: 002b:000000c420023ea0 EFLAGS: 00010202
[  657.527141] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
[  657.534407] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  657.541673] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  657.548944] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  657.556223] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
[  657.563529] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304
[  657.563541] warn_alloc_show_mem: 1 callbacks suppressed
[  657.563548] Mem-Info:
[  657.570824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  657.576193] active_anon:59588 inactive_anon:187 isolated_anon:0
[  657.576193]  active_file:13 inactive_file:14 isolated_file:0
[  657.576193]  unevictable:0 dirty:0 writeback:0 unstable:0
[  657.576193]  slab_reclaimable:10147 slab_unreclaimable:1445690
[  657.576193]  mapped:49154 shmem:244 pagetables:690 bounce:0
[  657.576193]  free:13773 free_pcp:174 free_cma:0
[  657.578565] Call Trace:
[  657.587954] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  657.620888]  <IRQ>
[  657.623458] 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
[  657.651050]  dump_stack+0x244/0x39d
[  657.653170] lowmem_reserve[]: 0 2818 6321 6321
[  657.679302]  ? dump_stack_print_info.cold.1+0x20/0x20
[  657.682908] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  657.687493]  warn_alloc.cold.116+0xb7/0x1bd
[  657.692654] lowmem_reserve[]: 0 0 3503 3503
[  657.720151]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  657.724450] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB
[  657.728766]  ? lock_downgrade+0x900/0x900
[  657.733586] lowmem_reserve[]: 0 0 0 0
[  657.762492]  ? trace_hardirqs_off+0xb8/0x310
[  657.766616] 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
[  657.770427]  ? trace_hardirqs_off+0xb8/0x310
[  657.774808] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
[  657.788331]  __alloc_pages_slowpath+0x2651/0x2de0
[  657.792711] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  657.808683]  ? warn_alloc+0x120/0x120
[  657.813484] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  657.827085]  ? warn_alloc+0x120/0x120
[  657.830865] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  657.839687]  ? warn_alloc+0x120/0x120
[  657.843467] 271 total pagecache pages
[  657.852042]  ? print_usage_bug+0xc0/0xc0
[  657.855823] 0 pages in swap cache
[  657.859610]  ? print_usage_bug+0xc0/0xc0
[  657.863653] Swap cache stats: add 0, delete 0, find 0/0
[  657.867097]  ? print_usage_bug+0xc0/0xc0
[  657.871195] Free swap  = 0kB
[  657.876558]  ? mark_held_locks+0x130/0x130
[  657.880612] Total swap = 0kB
[  657.883630]  ? check_preemption_disabled+0x48/0x280
[  657.887840] 1965979 pages RAM
[  657.890867]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  657.895851] 0 pages HighMem/MovableOnly
[  657.895860] 342854 pages reserved
[  657.898978]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  657.903446] 0 pages cma reserved
[  657.907417]  ? should_fail+0x22d/0xd01
[  657.910906] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  657.916384]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  657.916399]  ? __lock_acquire+0x62f/0x4c20
[  657.916415]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  657.919820] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  657.923644]  ? __lock_acquire+0x62f/0x4c20
[  657.930115] syz-fuzzer cpuset=/ mems_allowed=0
[  657.935226]  ? should_fail+0x22d/0xd01
[  657.967602]  ? mark_held_locks+0x130/0x130
[  657.971844]  ? mark_held_locks+0x130/0x130
[  657.976089]  ? zap_class+0x640/0x640
[  657.979818]  ? print_usage_bug+0xc0/0xc0
[  657.983902]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.989474]  ? check_preemption_disabled+0x48/0x280
[  657.994499]  ? __lock_is_held+0xb5/0x140
[  657.998564]  __alloc_pages_nodemask+0xad8/0xea0
[  658.003233]  ? zap_class+0x640/0x640
[  658.006989]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  658.012020]  ? find_held_lock+0x36/0x1c0
[  658.016099]  ? ____cache_alloc_node+0x1c7/0x1e0
[  658.020772]  ? lock_downgrade+0x900/0x900
[  658.024928]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  658.030483]  cache_grow_begin+0xa5/0x8c0
[  658.034546]  ? do_raw_spin_unlock+0xa7/0x330
[  658.038963]  fallback_alloc+0x204/0x2e0
[  658.042944]  ____cache_alloc_node+0x1c7/0x1e0
[  658.047448]  kmem_cache_alloc_node+0xe3/0x730
[  658.051944]  ? ipv6_get_ifaddr+0x42e/0x620
[  658.056190]  __alloc_skb+0x119/0x770
[  658.059904]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  658.065200]  ? netdev_alloc_frag+0x1f0/0x1f0
[  658.069608]  ? lock_downgrade+0x900/0x900
[  658.073804]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  658.079351]  ? refcount_sub_and_test_checked+0x203/0x310
[  658.084804]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  658.090256]  ? addrconf_rs_timer+0x690/0x690
[  658.095154]  ndisc_alloc_skb+0x144/0x340
[  658.099239]  ndisc_send_rs+0x331/0x6e0
[  658.103183]  addrconf_rs_timer+0x314/0x690
[  658.107427]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  658.111691]  call_timer_fn+0x272/0x920
[  658.115583]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  658.119837]  ? process_timeout+0x40/0x40
[  658.123903]  ? __run_timers+0x7da/0xc70
[  658.127882]  ? _raw_spin_unlock_irq+0x27/0x80
[  658.132379]  ? _raw_spin_unlock_irq+0x27/0x80
[  658.136872]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  658.141115]  ? lockdep_hardirqs_on+0x296/0x5b0
[  658.145699]  ? trace_hardirqs_on+0xbd/0x310
[  658.150039]  ? kasan_check_read+0x11/0x20
[  658.154201]  ? __run_timers+0x7da/0xc70
[  658.158182]  ? trace_hardirqs_off_caller+0x310/0x310
[  658.163308]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  658.167545]  __run_timers+0x7e5/0xc70
[  658.171382]  ? timer_fixup_init+0x70/0x70
[  658.175534]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  658.180555]  ? zap_class+0x640/0x640
[  658.184287]  ? enqueue_hrtimer+0x1a5/0x560
[  658.188526]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  658.193760]  ? find_held_lock+0x36/0x1c0
[  658.197827]  ? zap_class+0x640/0x640
[  658.201552]  ? pvclock_read_flags+0x160/0x160
[  658.206082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  658.211623]  ? check_preemption_disabled+0x48/0x280
[  658.216651]  ? __lock_is_held+0xb5/0x140
[  658.220712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  658.226249]  ? check_preemption_disabled+0x48/0x280
[  658.231284]  run_timer_softirq+0x52/0xb0
[  658.235366]  ? rcu_read_lock_sched_held+0x14f/0x180
[  658.240385]  __do_softirq+0x308/0xb7e
[  658.244191]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  658.248690]  ? lock_downgrade+0x900/0x900
[  658.252843]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  658.257956]  ? pvclock_read_flags+0x160/0x160
[  658.262456]  ? lapic_next_event+0x5a/0x90
[  658.266618]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  658.272209]  ? kvm_clock_read+0x18/0x30
[  658.276196]  ? kvm_sched_clock_read+0x9/0x20
[  658.280622]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  658.286176]  ? check_preemption_disabled+0x48/0x280
[  658.291228]  irq_exit+0x17f/0x1c0
[  658.294685]  smp_apic_timer_interrupt+0x1cb/0x760
[  658.299532]  ? smp_reschedule_interrupt+0x109/0x650
[  658.304555]  ? smp_call_function_single_interrupt+0x650/0x650
[  658.310442]  ? interrupt_entry+0xb5/0xc0
[  658.314508]  ? trace_hardirqs_off_caller+0xbb/0x310
[  658.319526]  ? trace_hardirqs_off_caller+0xbb/0x310
[  658.324562]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  658.329409]  ? trace_hardirqs_on_caller+0x310/0x310
[  658.334429]  ? trace_hardirqs_on_caller+0x310/0x310
[  658.339457]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  658.344317]  apic_timer_interrupt+0xf/0x20
[  658.348547]  </IRQ>
[  658.350793] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  658.356683] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
[  658.375708] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  658.383416] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  658.390684] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286
[  658.397955] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000
[  658.405239] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40
[  658.412514] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286
[  658.419819]  ? save_stack+0xa9/0xd0
[  658.423464]  __kmalloc_node_track_caller+0x3c/0x70
[  658.428408]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  658.433170]  pskb_expand_head+0x230/0x10f0
[  658.437414]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  658.442870]  ? memcpy+0x45/0x50
[  658.446153]  ? __copy_skb_header+0x350/0x6b0
[  658.450563]  ? skb_release_data+0x880/0x880
[  658.454884]  ? __alloc_skb+0x770/0x770
[  658.458798]  ? __lock_is_held+0xb5/0x140
[  658.462869]  ? kasan_check_write+0x14/0x20
[  658.467107]  ? __skb_clone+0x6c7/0xa00
[  658.470998]  ? __copy_skb_header+0x6b0/0x6b0
[  658.475409]  ? kmem_cache_alloc+0x33a/0x730
[  658.479735]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  658.485287]  skb_ensure_writable+0x3dd/0x640
[  658.489704]  ? skb_checksum_setup+0xaa0/0xaa0
[  658.494205]  ? preempt_notifier_register+0x200/0x200
[  658.499320]  ? __switch_to_asm+0x34/0x70
[  658.503385]  ? __switch_to_asm+0x34/0x70
[  658.507446]  ? __switch_to_asm+0x40/0x70
[  658.511511]  ? __switch_to_asm+0x34/0x70
[  658.515573]  ? __switch_to_asm+0x40/0x70
[  658.519663]  ? __switch_to_asm+0x40/0x70
[  658.523726]  ? __switch_to_asm+0x34/0x70
[  658.527789]  ? __switch_to_asm+0x34/0x70
[  658.531851]  ? __switch_to_asm+0x40/0x70
[  658.535912]  ? __switch_to_asm+0x34/0x70
[  658.539983]  bpf_clone_redirect+0x14a/0x490
[  658.544320]  bpf_prog_12ab75334035c288+0xfcd/0x1000
[  658.549340]  ? __sched_text_start+0x8/0x8
[  658.553491]  ? retint_kernel+0x2d/0x2d
[  658.557396]  ? find_held_lock+0x36/0x1c0
[  658.561471]  ? lock_acquire+0x1ed/0x520
[  658.565449]  ? bpf_test_run+0x3cb/0x780
[  658.569424]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  658.574980]  ? check_preemption_disabled+0x48/0x280
[  658.580045]  ? kasan_check_read+0x11/0x20
[  658.584212]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  658.589541]  ? rcu_softirq_qs+0x20/0x20
[  658.593523]  ? preempt_schedule+0x4d/0x60
[  658.597691]  ? ___preempt_schedule+0x16/0x18
[  658.602113]  ? bpf_test_run+0x25d/0x780
[  658.606101]  ? netlink_diag_dump+0x2a0/0x2a0
[  658.610516]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  658.616057]  ? bpf_test_init.isra.10+0x70/0x100
[  658.620736]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  658.625534]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  658.630379]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  658.635925]  ? fput+0x130/0x1a0
[  658.639209]  ? __bpf_prog_get+0x9b/0x290
[  658.643297]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  658.648159]  ? bpf_prog_test_run+0x130/0x1a0
[  658.652589]  ? __x64_sys_bpf+0x3d8/0x520
[  658.656651]  ? bpf_prog_get+0x20/0x20
[  658.660475]  ? do_syscall_64+0x1b9/0x820
[  658.664541]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  658.669926]  ? syscall_return_slowpath+0x5e0/0x5e0
[  658.674861]  ? trace_hardirqs_on_caller+0x310/0x310
[  658.679892]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  658.684911]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  658.691576]  ? __switch_to_asm+0x40/0x70
[  658.695638]  ? __switch_to_asm+0x34/0x70
[  658.699713]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  658.704563]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  658.709953] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
[  658.710042] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  658.716982] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  658.716987] Call Trace:
[  658.716994]  <IRQ>
[  658.717012]  dump_stack+0x244/0x39d
[  658.717031]  ? dump_stack_print_info.cold.1+0x20/0x20
[  658.723653] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  658.732922]  warn_alloc.cold.116+0xb7/0x1bd
[  658.735476] syz-executor3 cpuset=syz3 mems_allowed=0
[  658.737621]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  658.771121]  ? lock_downgrade+0x900/0x900
[  658.775288]  ? trace_hardirqs_off+0xb8/0x310
[  658.779705]  ? trace_hardirqs_off+0xb8/0x310
[  658.784125]  __alloc_pages_slowpath+0x2651/0x2de0
[  658.788996]  ? warn_alloc+0x120/0x120
[  658.792832]  ? print_usage_bug+0xc0/0xc0
[  658.796894]  ? warn_alloc+0x120/0x120
[  658.800699]  ? warn_alloc+0x120/0x120
[  658.804502]  ? print_usage_bug+0xc0/0xc0
[  658.808590]  ? print_usage_bug+0xc0/0xc0
[  658.812655]  ? __lock_acquire+0x62f/0x4c20
[  658.816915]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  658.822457]  ? should_fail+0x22d/0xd01
[  658.826352]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  658.831469]  ? __lock_acquire+0x62f/0x4c20
[  658.835727]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  658.840829]  ? __lock_acquire+0x62f/0x4c20
[  658.845062]  ? should_fail+0x22d/0xd01
[  658.848947]  ? find_held_lock+0x36/0x1c0
[  658.853037]  ? mark_held_locks+0x130/0x130
[  658.857303]  ? mark_held_locks+0x130/0x130
[  658.861557]  ? zap_class+0x640/0x640
[  658.865297]  ? zap_class+0x640/0x640
[  658.869013]  ? print_usage_bug+0xc0/0xc0
[  658.873090]  ? do_raw_spin_unlock+0xa7/0x330
[  658.877498]  ? zap_class+0x640/0x640
[  658.881211]  ? print_usage_bug+0xc0/0xc0
[  658.885281]  ? wq_watchdog_touch+0x9c/0xfe
[  658.889556]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  658.895128]  ? check_preemption_disabled+0x48/0x280
[  658.900160]  ? __lock_is_held+0xb5/0x140
[  658.904228]  __alloc_pages_nodemask+0xad8/0xea0
[  658.908896]  ? zap_class+0x640/0x640
[  658.912615]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  658.917644]  ? find_held_lock+0x36/0x1c0
[  658.921715]  ? ____cache_alloc_node+0x1c7/0x1e0
[  658.926385]  ? lock_downgrade+0x900/0x900
[  658.930546]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  658.936092]  cache_grow_begin+0xa5/0x8c0
[  658.940155]  ? do_raw_spin_unlock+0xa7/0x330
[  658.944574]  fallback_alloc+0x204/0x2e0
[  658.948561]  ____cache_alloc_node+0x1c7/0x1e0
[  658.953068]  kmem_cache_alloc_node+0xe3/0x730
[  658.957571]  ? ipv6_get_ifaddr+0x42e/0x620
[  658.961820]  __alloc_skb+0x119/0x770
[  658.965541]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  658.970822]  ? netdev_alloc_frag+0x1f0/0x1f0
[  658.975232]  ? lock_downgrade+0x900/0x900
[  658.979391]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  658.984932]  ? refcount_sub_and_test_checked+0x203/0x310
[  658.990391]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  658.995848]  ? addrconf_rs_timer+0x690/0x690
[  659.000358]  ndisc_alloc_skb+0x144/0x340
[  659.004424]  ndisc_send_rs+0x331/0x6e0
[  659.008318]  addrconf_rs_timer+0x314/0x690
[  659.012561]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  659.016806]  call_timer_fn+0x272/0x920
[  659.020693]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  659.024926]  ? process_timeout+0x40/0x40
[  659.028999]  ? mark_held_locks+0xc7/0x130
[  659.033168]  ? _raw_spin_unlock_irq+0x27/0x80
[  659.037662]  ? _raw_spin_unlock_irq+0x27/0x80
[  659.042170]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  659.046405]  ? lockdep_hardirqs_on+0x296/0x5b0
[  659.051005]  ? trace_hardirqs_on+0xbd/0x310
[  659.055329]  ? kasan_check_read+0x11/0x20
[  659.059474]  ? __run_timers+0x7da/0xc70
[  659.063456]  ? trace_hardirqs_off_caller+0x310/0x310
[  659.068568]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  659.072813]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  659.077048]  __run_timers+0x7e5/0xc70
[  659.080862]  ? timer_fixup_init+0x70/0x70
[  659.085017]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  659.090034]  ? zap_class+0x640/0x640
[  659.093785]  ? print_usage_bug+0xc0/0xc0
[  659.097847]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  659.103048]  ? find_held_lock+0x36/0x1c0
[  659.107119]  ? zap_class+0x640/0x640
[  659.110838]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.116379]  ? check_preemption_disabled+0x48/0x280
[  659.121408]  ? __lock_is_held+0xb5/0x140
[  659.125471]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.131008]  ? check_preemption_disabled+0x48/0x280
[  659.136031]  run_timer_softirq+0x52/0xb0
[  659.140091]  ? rcu_read_lock_sched_held+0x14f/0x180
[  659.145128]  __do_softirq+0x308/0xb7e
[  659.148947]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  659.153443]  ? lock_downgrade+0x900/0x900
[  659.157594]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  659.162702]  ? pvclock_read_flags+0x160/0x160
[  659.167199]  ? lapic_next_event+0x5a/0x90
[  659.171359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.176906]  ? kvm_clock_read+0x18/0x30
[  659.180883]  ? kvm_sched_clock_read+0x9/0x20
[  659.185379]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  659.190919]  ? check_preemption_disabled+0x48/0x280
[  659.195950]  irq_exit+0x17f/0x1c0
[  659.199424]  smp_apic_timer_interrupt+0x1cb/0x760
[  659.204267]  ? smp_call_function_single_interrupt+0x159/0x650
[  659.210161]  ? smp_call_function_single_interrupt+0x650/0x650
[  659.216048]  ? interrupt_entry+0xb5/0xc0
[  659.220129]  ? trace_hardirqs_off_caller+0xbb/0x310
[  659.225142]  ? trace_hardirqs_off_caller+0xbb/0x310
[  659.230159]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  659.235020]  ? trace_hardirqs_on_caller+0x310/0x310
[  659.240036]  ? trace_hardirqs_on_caller+0x310/0x310
[  659.245051]  ? task_prio+0x50/0x50
[  659.248594]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.254129]  ? check_preemption_disabled+0x48/0x280
[  659.259215]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  659.264086]  apic_timer_interrupt+0xf/0x20
[  659.268315]  </IRQ>
[  659.270560] RIP: 0010:rcu_is_watching+0x0/0x30
[  659.275154] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
[  659.294051] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  659.301757] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
[  659.309022] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
[  659.316293] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
[  659.323560] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
[  659.330828] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  659.338133]  ? list_lru_count_one+0x253/0x450
[  659.342632]  ? list_lru_count_one+0x35d/0x450
[  659.347136]  ? list_lru_count_one+0x362/0x450
[  659.351636]  ? list_lru_isolate_move+0x3c0/0x3c0
[  659.356395]  ? shmem_free_inode+0xd0/0xd0
[  659.360552]  ? __lock_is_held+0xb5/0x140
[  659.364624]  super_cache_count+0x1b9/0x2e0
[  659.368894]  do_shrink_slab+0x1b1/0xd30
[  659.372886]  ? snapshot_refaults+0x290/0x290
[  659.377303]  ? lock_release+0xa00/0xa00
[  659.381293]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  659.386248]  ? down_read_trylock+0xda/0x140
[  659.390573]  ? shrink_slab+0x207/0x8c0
[  659.394484]  ? downgrade_write+0x270/0x270
[  659.398739]  shrink_slab+0x389/0x8c0
[  659.402455]  ? shrink_active_list+0x1f00/0x1f00
[  659.407134]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  659.412764]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  659.417877]  ? cgroup_procs_write_finish+0xf0/0xf0
[  659.422828]  ? find_held_lock+0x36/0x1c0
[  659.426915]  shrink_node+0x431/0x16b0
[  659.430720]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  659.436049]  ? shrink_node_memcg+0x18f0/0x18f0
[  659.440664]  ? kvm_clock_read+0x18/0x30
[  659.444657]  ? ktime_get+0x2c1/0x400
[  659.448375]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  659.452876]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  659.458414]  ? __cpuset_node_allowed+0x19b/0x660
[  659.463205]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  659.468918]  ? delayacct_end+0x5a/0x100
[  659.472902]  do_try_to_free_pages+0x3e7/0x1290
[  659.477485]  ? zap_class+0x640/0x640
[  659.481217]  ? shrink_node+0x16b0/0x16b0
[  659.485289]  ? __lock_is_held+0xb5/0x140
[  659.489382]  try_to_free_pages+0x4d0/0xb90
[  659.493628]  ? do_try_to_free_pages+0x1290/0x1290
[  659.498500]  ? lock_acquire+0x1ed/0x520
[  659.502492]  ? set_page_refcounted+0x280/0x280
[  659.507080]  ? lock_release+0xa00/0xa00
[  659.511066]  ? _raw_spin_unlock_irq+0x60/0x80
[  659.515571]  ? psi_memstall_enter+0x240/0x2b0
[  659.520072]  ? psi_memstall_tick+0x230/0x230
[  659.524491]  __alloc_pages_slowpath+0xa48/0x2de0
[  659.529299]  ? warn_alloc+0x120/0x120
[  659.533102]  ? mark_held_locks+0x130/0x130
[  659.537373]  ? find_get_entry+0xaae/0x1120
[  659.541639]  ? filemap_map_pages+0x1a20/0x1a20
[  659.546230]  ? zap_class+0x640/0x640
[  659.549952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.555498]  ? check_preemption_disabled+0x48/0x280
[  659.560516]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  659.566077]  ? should_fail+0x22d/0xd01
[  659.569971]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  659.575075]  ? zap_class+0x640/0x640
[  659.578863]  ? __lock_is_held+0xb5/0x140
[  659.582962]  ? mark_held_locks+0x130/0x130
[  659.587198]  ? lock_release+0xa00/0xa00
[  659.591173]  ? perf_trace_sched_process_exec+0x860/0x860
[  659.596622]  ? xa_load+0x2ba/0x460
[  659.600162]  ? lock_downgrade+0x900/0x900
[  659.604316]  ? __might_sleep+0x95/0x190
[  659.608305]  __alloc_pages_nodemask+0xad8/0xea0
[  659.612982]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  659.618002]  ? __page_cache_alloc+0x191/0x5c0
[  659.622498]  ? xa_load+0x2e1/0x460
[  659.626035]  ? xa_clear_mark+0x40/0x40
[  659.629940]  ? zap_class+0x640/0x640
[  659.633660]  ? zap_class+0x640/0x640
[  659.637374]  ? zap_class+0x640/0x640
[  659.641087]  ? __do_page_cache_readahead+0x663/0x810
[  659.646196]  ? find_held_lock+0x36/0x1c0
[  659.650262]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  659.655815]  alloc_pages_current+0x173/0x350
[  659.660229]  __page_cache_alloc+0x38c/0x5c0
[  659.664572]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  659.669505]  ? kasan_check_read+0x11/0x20
[  659.673654]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  659.678931]  ? generic_perform_write+0x6a0/0x6a0
[  659.683693]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  659.689250]  ? check_preemption_disabled+0x48/0x280
[  659.694313]  filemap_fault+0x1595/0x25f0
[  659.698388]  ? __lock_page_or_retry+0xa00/0xa00
[  659.703075]  ? mark_held_locks+0x130/0x130
[  659.707356]  ? filemap_map_pages+0xd6b/0x1a20
[  659.711855]  ? lock_downgrade+0x900/0x900
[  659.716002]  ? check_preemption_disabled+0x48/0x280
[  659.721026]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  659.725955]  ? kasan_check_read+0x11/0x20
[  659.730103]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  659.735379]  ? rcu_softirq_qs+0x20/0x20
[  659.739370]  ? filemap_map_pages+0xd92/0x1a20
[  659.743918]  ? find_get_entries_tag+0x1400/0x1400
[  659.748762]  ? debug_object_destroy+0x2b0/0x2b0
[  659.753435]  ? lock_pi_update_atomic+0x150/0x150
[  659.758190]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.763746]  ? lock_acquire+0x1ed/0x520
[  659.767725]  ? ext4_filemap_fault+0x7a/0xad
[  659.772070]  ? lock_release+0xa00/0xa00
[  659.776042]  ? perf_trace_sched_process_exec+0x860/0x860
[  659.781496]  ? print_usage_bug+0xc0/0xc0
[  659.785564]  ? print_usage_bug+0xc0/0xc0
[  659.789638]  ? down_read+0x8d/0x120
[  659.793287]  ? ext4_filemap_fault+0x7a/0xad
[  659.797611]  ? __down_interruptible+0x700/0x700
[  659.802302]  ext4_filemap_fault+0x82/0xad
[  659.806466]  __do_fault+0x100/0x6b0
[  659.810110]  ? release_sock+0x1ec/0x2c0
[  659.814086]  ? pmd_devmap_trans_unstable+0x220/0x220
[  659.819196]  ? mark_held_locks+0x130/0x130
[  659.823464]  ? mark_held_locks+0x130/0x130
[  659.827697]  ? lock_sock_nested+0x9a/0x120
[  659.831945]  ? __release_sock+0x3a0/0x3a0
[  659.836093]  ? __local_bh_enable_ip+0x160/0x260
[  659.840798]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  659.846344]  __handle_mm_fault+0x3ea0/0x5be0
[  659.850763]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  659.855602]  ? apparmor_socket_sendmsg+0x29/0x30
[  659.860352]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.865893]  ? security_socket_sendmsg+0x94/0xc0
[  659.870652]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.876220]  ? zap_class+0x640/0x640
[  659.879937]  ? zap_class+0x640/0x640
[  659.883648]  ? __x64_sys_futex+0x53e/0x6a0
[  659.887891]  ? find_held_lock+0x36/0x1c0
[  659.891966]  ? handle_mm_fault+0x42a/0xc70
[  659.896204]  ? lock_downgrade+0x900/0x900
[  659.900351]  ? check_preemption_disabled+0x48/0x280
[  659.905392]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  659.910322]  ? kasan_check_read+0x11/0x20
[  659.914471]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  659.919748]  ? rcu_softirq_qs+0x20/0x20
[  659.923725]  ? trace_hardirqs_off_caller+0x310/0x310
[  659.928838]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  659.934375]  ? check_preemption_disabled+0x48/0x280
[  659.939403]  handle_mm_fault+0x54f/0xc70
[  659.943476]  ? __handle_mm_fault+0x5be0/0x5be0
[  659.948064]  ? find_vma+0x34/0x190
[  659.951612]  __do_page_fault+0x5e8/0xe60
[  659.955669]  ? trace_hardirqs_off+0xb8/0x310
[  659.960073]  ? __ia32_sys_read+0xb0/0xb0
[  659.964446]  do_page_fault+0xf2/0x7e0
[  659.968246]  ? vmalloc_sync_all+0x30/0x30
[  659.972420]  ? error_entry+0x70/0xd0
[  659.976153]  ? trace_hardirqs_off_caller+0xbb/0x310
[  659.981170]  ? trace_hardirqs_on_caller+0xc0/0x310
[  659.986103]  ? syscall_return_slowpath+0x5e0/0x5e0
[  659.991033]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  659.995878]  ? trace_hardirqs_on_caller+0x310/0x310
[  660.000906]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  660.006392]  ? prepare_exit_to_usermode+0x291/0x3b0
[  660.011458]  ? page_fault+0x8/0x30
[  660.015004]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  660.019854]  ? page_fault+0x8/0x30
[  660.023398]  page_fault+0x1e/0x30
[  660.026851] RIP: 0033:0x45ddf3
[  660.030085] Code: Bad RIP value.
[  660.033461] RSP: 002b:000000c420023ea0 EFLAGS: 00010202
[  660.038839] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
[  660.046133] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  660.053413] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  660.060680] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  660.067954] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
[  660.075251] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304
[  660.075257] warn_alloc_show_mem: 1 callbacks suppressed
[  660.075264] Mem-Info:
[  660.082549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  660.087920] active_anon:59588 inactive_anon:187 isolated_anon:0
[  660.087920]  active_file:13 inactive_file:14 isolated_file:0
[  660.087920]  unevictable:0 dirty:0 writeback:0 unstable:0
[  660.087920]  slab_reclaimable:10147 slab_unreclaimable:1445690
[  660.087920]  mapped:49154 shmem:244 pagetables:690 bounce:0
[  660.087920]  free:13773 free_pcp:174 free_cma:0
[  660.090304] Call Trace:
[  660.099862] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  660.132807]  <IRQ>
[  660.135392] 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
[  660.162892]  dump_stack+0x244/0x39d
[  660.165028] lowmem_reserve[]: 0 2818 6321 6321
[  660.191140]  ? dump_stack_print_info.cold.1+0x20/0x20
[  660.194739] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  660.199325]  warn_alloc.cold.116+0xb7/0x1bd
[  660.204482] lowmem_reserve[]: 0 0 3503 3503
[  660.232017]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  660.236315] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB
[  660.240630]  ? lock_downgrade+0x900/0x900
[  660.245459] lowmem_reserve[]: 0 0 0 0
[  660.274363]  ? trace_hardirqs_off+0xb8/0x310
[  660.278487] 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
[  660.282296]  ? trace_hardirqs_off+0xb8/0x310
[  660.286688] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
[  660.300217]  __alloc_pages_slowpath+0x2651/0x2de0
[  660.304643] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  660.320609]  ? warn_alloc+0x120/0x120
[  660.325417] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  660.339014]  ? print_usage_bug+0xc0/0xc0
[  660.342795] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  660.351666]  ? warn_alloc+0x120/0x120
[  660.355722] 271 total pagecache pages
[  660.364304]  ? warn_alloc+0x120/0x120
[  660.368092] 0 pages in swap cache
[  660.371934]  ? print_usage_bug+0xc0/0xc0
[  660.375708] Swap cache stats: add 0, delete 0, find 0/0
[  660.379154]  ? kvm_clock_read+0x18/0x30
[  660.383190] Free swap  = 0kB
[  660.388567]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  660.392517] Total swap = 0kB
[  660.395541]  ? print_usage_bug+0xc0/0xc0
[  660.400555] 1965979 pages RAM
[  660.403568]  ? __lock_acquire+0x62f/0x4c20
[  660.407612] 0 pages HighMem/MovableOnly
[  660.410709]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  660.414916] 342854 pages reserved
[  660.418885]  ? should_fail+0x22d/0xd01
[  660.424393] 0 pages cma reserved
[  660.427837]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  660.431815] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  660.435069]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  660.435085]  ? __lock_acquire+0x62f/0x4c20
[  660.435102]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  660.440503] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  660.446844]  ? __lock_acquire+0x62f/0x4c20
[  660.451929] syz-fuzzer cpuset=/ mems_allowed=0
[  660.456159]  ? should_fail+0x22d/0xd01
[  660.484146]  ? rcu_irq_exit+0x1a2/0x390
[  660.488137]  ? mark_held_locks+0x130/0x130
[  660.492378]  ? mark_held_locks+0x130/0x130
[  660.496640]  ? mark_held_locks+0xc7/0x130
[  660.500807]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  660.505823]  ? zap_class+0x640/0x640
[  660.509536]  ? print_usage_bug+0xc0/0xc0
[  660.513620]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  660.519158]  ? check_preemption_disabled+0x48/0x280
[  660.524207]  ? __lock_is_held+0xb5/0x140
[  660.528299]  __alloc_pages_nodemask+0xad8/0xea0
[  660.532977]  ? zap_class+0x640/0x640
[  660.536711]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  660.541751]  ? find_held_lock+0x36/0x1c0
[  660.545820]  ? ____cache_alloc_node+0x1c7/0x1e0
[  660.550522]  ? lock_downgrade+0x900/0x900
[  660.554692]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  660.560249]  cache_grow_begin+0xa5/0x8c0
[  660.564322]  ? do_raw_spin_unlock+0xa7/0x330
[  660.568739]  fallback_alloc+0x204/0x2e0
[  660.572729]  ____cache_alloc_node+0x1c7/0x1e0
[  660.577227]  kmem_cache_alloc_node+0xe3/0x730
[  660.581743]  ? ipv6_get_ifaddr+0x42e/0x620
[  660.585986]  __alloc_skb+0x119/0x770
[  660.589696]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  660.594979]  ? netdev_alloc_frag+0x1f0/0x1f0
[  660.599383]  ? lock_downgrade+0x900/0x900
[  660.603538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  660.609093]  ? refcount_sub_and_test_checked+0x203/0x310
[  660.614575]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  660.620037]  ? addrconf_rs_timer+0x690/0x690
[  660.624458]  ndisc_alloc_skb+0x144/0x340
[  660.628567]  ndisc_send_rs+0x331/0x6e0
[  660.632466]  addrconf_rs_timer+0x314/0x690
[  660.636708]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  660.640958]  call_timer_fn+0x272/0x920
[  660.644846]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  660.649075]  ? process_timeout+0x40/0x40
[  660.653142]  ? __run_timers+0x7da/0xc70
[  660.657119]  ? _raw_spin_unlock_irq+0x27/0x80
[  660.661633]  ? _raw_spin_unlock_irq+0x27/0x80
[  660.666131]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  660.670368]  ? lockdep_hardirqs_on+0x296/0x5b0
[  660.674955]  ? trace_hardirqs_on+0xbd/0x310
[  660.679298]  ? kasan_check_read+0x11/0x20
[  660.683447]  ? __run_timers+0x7da/0xc70
[  660.687419]  ? trace_hardirqs_off_caller+0x310/0x310
[  660.692526]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  660.696796]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  660.701041]  __run_timers+0x7e5/0xc70
[  660.704874]  ? timer_fixup_init+0x70/0x70
[  660.709027]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  660.714094]  ? zap_class+0x640/0x640
[  660.717815]  ? enqueue_hrtimer+0x1a5/0x560
[  660.722055]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  660.727255]  ? find_held_lock+0x36/0x1c0
[  660.731329]  ? zap_class+0x640/0x640
[  660.735051]  ? pvclock_read_flags+0x160/0x160
[  660.739564]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  660.745131]  ? check_preemption_disabled+0x48/0x280
[  660.750157]  ? __lock_is_held+0xb5/0x140
[  660.754233]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  660.759806]  ? check_preemption_disabled+0x48/0x280
[  660.764868]  run_timer_softirq+0x52/0xb0
[  660.768954]  ? rcu_read_lock_sched_held+0x14f/0x180
[  660.773970]  __do_softirq+0x308/0xb7e
[  660.777773]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  660.782270]  ? lock_downgrade+0x900/0x900
[  660.786434]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  660.791588]  ? pvclock_read_flags+0x160/0x160
[  660.796095]  ? lapic_next_event+0x5a/0x90
[  660.800248]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  660.805804]  ? kvm_clock_read+0x18/0x30
[  660.809778]  ? kvm_sched_clock_read+0x9/0x20
[  660.814188]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  660.819736]  ? check_preemption_disabled+0x48/0x280
[  660.824763]  irq_exit+0x17f/0x1c0
[  660.828220]  smp_apic_timer_interrupt+0x1cb/0x760
[  660.833075]  ? smp_reschedule_interrupt+0x109/0x650
[  660.838091]  ? smp_call_function_single_interrupt+0x650/0x650
[  660.843978]  ? interrupt_entry+0xb5/0xc0
[  660.848053]  ? trace_hardirqs_off_caller+0xbb/0x310
[  660.853074]  ? trace_hardirqs_off_caller+0xbb/0x310
[  660.858092]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  660.862939]  ? trace_hardirqs_on_caller+0x310/0x310
[  660.867955]  ? trace_hardirqs_on_caller+0x310/0x310
[  660.872975]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  660.877820]  apic_timer_interrupt+0xf/0x20
[  660.882061]  </IRQ>
[  660.884329] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  660.890210] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
[  660.909120] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  660.916840] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  660.924105] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286
[  660.931371] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000
[  660.938641] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40
[  660.945910] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286
[  660.953222]  ? save_stack+0xa9/0xd0
[  660.956862]  __kmalloc_node_track_caller+0x3c/0x70
[  660.961810]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  660.966574]  pskb_expand_head+0x230/0x10f0
[  660.970814]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  660.976294]  ? memcpy+0x45/0x50
[  660.979594]  ? __copy_skb_header+0x350/0x6b0
[  660.984003]  ? skb_release_data+0x880/0x880
[  660.988340]  ? __alloc_skb+0x770/0x770
[  660.992235]  ? __lock_is_held+0xb5/0x140
[  660.996328]  ? kasan_check_write+0x14/0x20
[  661.000575]  ? __skb_clone+0x6c7/0xa00
[  661.004463]  ? __copy_skb_header+0x6b0/0x6b0
[  661.008869]  ? kmem_cache_alloc+0x33a/0x730
[  661.013196]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  661.018737]  skb_ensure_writable+0x3dd/0x640
[  661.023161]  ? skb_checksum_setup+0xaa0/0xaa0
[  661.027673]  ? preempt_notifier_register+0x200/0x200
[  661.032775]  ? __switch_to_asm+0x34/0x70
[  661.036834]  ? __switch_to_asm+0x34/0x70
[  661.040893]  ? __switch_to_asm+0x40/0x70
[  661.044953]  ? __switch_to_asm+0x34/0x70
[  661.049039]  ? __switch_to_asm+0x40/0x70
[  661.053169]  ? __switch_to_asm+0x40/0x70
[  661.057241]  ? __switch_to_asm+0x34/0x70
[  661.061333]  ? __switch_to_asm+0x34/0x70
[  661.065405]  ? __switch_to_asm+0x40/0x70
[  661.069464]  ? __switch_to_asm+0x34/0x70
[  661.073531]  bpf_clone_redirect+0x14a/0x490
[  661.077874]  bpf_prog_12ab75334035c288+0xfcd/0x1000
[  661.082896]  ? __sched_text_start+0x8/0x8
[  661.087046]  ? retint_kernel+0x2d/0x2d
[  661.090971]  ? find_held_lock+0x36/0x1c0
[  661.095071]  ? lock_acquire+0x1ed/0x520
[  661.099047]  ? bpf_test_run+0x3cb/0x780
[  661.103041]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  661.108619]  ? check_preemption_disabled+0x48/0x280
[  661.113640]  ? kasan_check_read+0x11/0x20
[  661.117791]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  661.123081]  ? rcu_softirq_qs+0x20/0x20
[  661.127060]  ? preempt_schedule+0x4d/0x60
[  661.131211]  ? ___preempt_schedule+0x16/0x18
[  661.135630]  ? bpf_test_run+0x25d/0x780
[  661.139614]  ? netlink_diag_dump+0x2a0/0x2a0
[  661.144023]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  661.149563]  ? bpf_test_init.isra.10+0x70/0x100
[  661.154240]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  661.159009]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  661.163856]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  661.169391]  ? fput+0x130/0x1a0
[  661.172679]  ? __bpf_prog_get+0x9b/0x290
[  661.176742]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  661.181581]  ? bpf_prog_test_run+0x130/0x1a0
[  661.186001]  ? __x64_sys_bpf+0x3d8/0x520
[  661.190091]  ? bpf_prog_get+0x20/0x20
[  661.193931]  ? do_syscall_64+0x1b9/0x820
[  661.197991]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  661.203352]  ? syscall_return_slowpath+0x5e0/0x5e0
[  661.208308]  ? trace_hardirqs_on_caller+0x310/0x310
[  661.213322]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  661.218345]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  661.225055]  ? __switch_to_asm+0x40/0x70
[  661.229119]  ? __switch_to_asm+0x34/0x70
[  661.233184]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  661.238056]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  661.243453] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
[  661.243520] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  661.250463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  661.250472] Call Trace:
[  661.257114] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  661.266329]  <IRQ>
[  661.268905] syz-executor3 cpuset=syz3 mems_allowed=0
[  661.279399]  dump_stack+0x244/0x39d
[  661.290243]  ? dump_stack_print_info.cold.1+0x20/0x20
[  661.295467]  warn_alloc.cold.116+0xb7/0x1bd
[  661.299787]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  661.304638]  ? lock_downgrade+0x900/0x900
[  661.308800]  ? trace_hardirqs_off+0xb8/0x310
[  661.313215]  ? trace_hardirqs_off+0xb8/0x310
[  661.317664]  __alloc_pages_slowpath+0x2651/0x2de0
[  661.322532]  ? warn_alloc+0x120/0x120
[  661.326354]  ? print_usage_bug+0xc0/0xc0
[  661.330434]  ? warn_alloc+0x120/0x120
[  661.334237]  ? warn_alloc+0x120/0x120
[  661.338081]  ? print_usage_bug+0xc0/0xc0
[  661.342145]  ? print_usage_bug+0xc0/0xc0
[  661.346224]  ? print_usage_bug+0xc0/0xc0
[  661.350323]  ? print_usage_bug+0xc0/0xc0
[  661.354385]  ? __lock_acquire+0x62f/0x4c20
[  661.358629]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  661.364166]  ? should_fail+0x22d/0xd01
[  661.368059]  ? __lock_acquire+0x62f/0x4c20
[  661.372299]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  661.377405]  ? __lock_acquire+0x62f/0x4c20
[  661.381659]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  661.386772]  ? __lock_acquire+0x62f/0x4c20
[  661.391007]  ? should_fail+0x22d/0xd01
[  661.394905]  ? mark_held_locks+0x130/0x130
[  661.399152]  ? mark_held_locks+0x130/0x130
[  661.403384]  ? zap_class+0x640/0x640
[  661.407106]  ? zap_class+0x640/0x640
[  661.410856]  ? print_usage_bug+0xc0/0xc0
[  661.414916]  ? wq_watchdog_touch+0x9c/0xfe
[  661.419150]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  661.424703]  ? check_preemption_disabled+0x48/0x280
[  661.429762]  ? __lock_is_held+0xb5/0x140
[  661.433829]  __alloc_pages_nodemask+0xad8/0xea0
[  661.438500]  ? zap_class+0x640/0x640
[  661.442254]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  661.447296]  ? find_held_lock+0x36/0x1c0
[  661.451367]  ? ____cache_alloc_node+0x1c7/0x1e0
[  661.456080]  ? lock_downgrade+0x900/0x900
[  661.460235]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  661.465776]  cache_grow_begin+0xa5/0x8c0
[  661.469836]  ? do_raw_spin_unlock+0xa7/0x330
[  661.474265]  fallback_alloc+0x204/0x2e0
[  661.478257]  ____cache_alloc_node+0x1c7/0x1e0
[  661.482766]  kmem_cache_alloc_node+0xe3/0x730
[  661.487264]  ? ipv6_get_ifaddr+0x42e/0x620
[  661.491518]  __alloc_skb+0x119/0x770
[  661.495232]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  661.500511]  ? netdev_alloc_frag+0x1f0/0x1f0
[  661.504926]  ? lock_downgrade+0x900/0x900
[  661.509081]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  661.514618]  ? refcount_sub_and_test_checked+0x203/0x310
[  661.520074]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  661.525568]  ? addrconf_rs_timer+0x690/0x690
[  661.530039]  ndisc_alloc_skb+0x144/0x340
[  661.534112]  ndisc_send_rs+0x331/0x6e0
[  661.538006]  addrconf_rs_timer+0x314/0x690
[  661.542246]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  661.546505]  call_timer_fn+0x272/0x920
[  661.550399]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  661.554632]  ? process_timeout+0x40/0x40
[  661.558707]  ? mark_held_locks+0xc7/0x130
[  661.562861]  ? _raw_spin_unlock_irq+0x27/0x80
[  661.567355]  ? _raw_spin_unlock_irq+0x27/0x80
[  661.571847]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  661.576088]  ? lockdep_hardirqs_on+0x296/0x5b0
[  661.580681]  ? trace_hardirqs_on+0xbd/0x310
[  661.585007]  ? kasan_check_read+0x11/0x20
[  661.589174]  ? __run_timers+0x7da/0xc70
[  661.593153]  ? trace_hardirqs_off_caller+0x310/0x310
[  661.598268]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  661.602514]  __run_timers+0x7e5/0xc70
[  661.606346]  ? timer_fixup_init+0x70/0x70
[  661.610499]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  661.615520]  ? zap_class+0x640/0x640
[  661.619248]  ? print_usage_bug+0xc0/0xc0
[  661.623348]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  661.628549]  ? find_held_lock+0x36/0x1c0
[  661.632618]  ? zap_class+0x640/0x640
[  661.636343]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  661.641883]  ? check_preemption_disabled+0x48/0x280
[  661.646908]  ? __lock_is_held+0xb5/0x140
[  661.650985]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  661.656523]  ? check_preemption_disabled+0x48/0x280
[  661.661580]  run_timer_softirq+0x52/0xb0
[  661.665642]  ? rcu_read_lock_sched_held+0x14f/0x180
[  661.670659]  __do_softirq+0x308/0xb7e
[  661.674463]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  661.678957]  ? lock_downgrade+0x900/0x900
[  661.683106]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  661.688218]  ? pvclock_read_flags+0x160/0x160
[  661.692730]  ? lapic_next_event+0x5a/0x90
[  661.696927]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  661.702481]  ? kvm_clock_read+0x18/0x30
[  661.706456]  ? kvm_sched_clock_read+0x9/0x20
[  661.710865]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  661.716420]  ? check_preemption_disabled+0x48/0x280
[  661.721448]  irq_exit+0x17f/0x1c0
[  661.724916]  smp_apic_timer_interrupt+0x1cb/0x760
[  661.729758]  ? smp_call_function_single_interrupt+0x159/0x650
[  661.735645]  ? smp_call_function_single_interrupt+0x650/0x650
[  661.741528]  ? interrupt_entry+0xb5/0xc0
[  661.745598]  ? trace_hardirqs_off_caller+0xbb/0x310
[  661.750614]  ? trace_hardirqs_off_caller+0xbb/0x310
[  661.755646]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  661.760577]  ? trace_hardirqs_on_caller+0x310/0x310
[  661.765608]  ? trace_hardirqs_on_caller+0x310/0x310
[  661.770640]  ? task_prio+0x50/0x50
[  661.774195]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  661.779733]  ? check_preemption_disabled+0x48/0x280
[  661.784773]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  661.789655]  apic_timer_interrupt+0xf/0x20
[  661.793885]  </IRQ>
[  661.796123] RIP: 0010:rcu_is_watching+0x0/0x30
[  661.800736] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
[  661.819632] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  661.827339] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
[  661.834608] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
[  661.841878] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
[  661.849144] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
[  661.856407] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  661.863692]  ? list_lru_count_one+0x253/0x450
[  661.868190]  ? list_lru_count_one+0x35d/0x450
[  661.872693]  ? list_lru_count_one+0x362/0x450
[  661.877191]  ? list_lru_isolate_move+0x3c0/0x3c0
[  661.881943]  ? shmem_free_inode+0xd0/0xd0
[  661.886097]  ? __lock_is_held+0xb5/0x140
[  661.890168]  super_cache_count+0x1b9/0x2e0
[  661.894412]  do_shrink_slab+0x1b1/0xd30
[  661.898395]  ? snapshot_refaults+0x290/0x290
[  661.902819]  ? lock_release+0xa00/0xa00
[  661.906818]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  661.911777]  ? down_read_trylock+0xda/0x140
[  661.916115]  ? shrink_slab+0x207/0x8c0
[  661.920018]  ? downgrade_write+0x270/0x270
[  661.924266]  shrink_slab+0x389/0x8c0
[  661.927989]  ? shrink_active_list+0x1f00/0x1f00
[  661.932669]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  661.938316]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  661.943443]  ? cgroup_procs_write_finish+0xf0/0xf0
[  661.948380]  ? find_held_lock+0x36/0x1c0
[  661.952449]  shrink_node+0x431/0x16b0
[  661.956253]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  661.961566]  ? shrink_node_memcg+0x18f0/0x18f0
[  661.966344]  ? kvm_clock_read+0x18/0x30
[  661.970357]  ? ktime_get+0x2c1/0x400
[  661.974079]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  661.978576]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  661.984112]  ? __cpuset_node_allowed+0x19b/0x660
[  661.988868]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  661.994580]  ? delayacct_end+0x5a/0x100
[  661.998566]  do_try_to_free_pages+0x3e7/0x1290
[  662.003163]  ? zap_class+0x640/0x640
[  662.006924]  ? shrink_node+0x16b0/0x16b0
[  662.010989]  ? __lock_is_held+0xb5/0x140
[  662.015066]  try_to_free_pages+0x4d0/0xb90
[  662.019310]  ? do_try_to_free_pages+0x1290/0x1290
[  662.024168]  ? lock_acquire+0x1ed/0x520
[  662.028141]  ? set_page_refcounted+0x280/0x280
[  662.032727]  ? lock_release+0xa00/0xa00
[  662.036722]  ? _raw_spin_unlock_irq+0x60/0x80
[  662.041239]  ? psi_memstall_enter+0x240/0x2b0
[  662.045746]  ? psi_memstall_tick+0x230/0x230
[  662.050192]  __alloc_pages_slowpath+0xa48/0x2de0
[  662.054974]  ? warn_alloc+0x120/0x120
[  662.058771]  ? mark_held_locks+0x130/0x130
[  662.063009]  ? find_get_entry+0xaae/0x1120
[  662.067254]  ? filemap_map_pages+0x1a20/0x1a20
[  662.071860]  ? zap_class+0x640/0x640
[  662.075581]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.081121]  ? check_preemption_disabled+0x48/0x280
[  662.086139]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  662.091676]  ? should_fail+0x22d/0xd01
[  662.095712]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  662.100821]  ? zap_class+0x640/0x640
[  662.104571]  ? __lock_is_held+0xb5/0x140
[  662.108644]  ? mark_held_locks+0x130/0x130
[  662.112899]  ? lock_release+0xa00/0xa00
[  662.116875]  ? perf_trace_sched_process_exec+0x860/0x860
[  662.122320]  ? xa_load+0x2ba/0x460
[  662.125862]  ? lock_downgrade+0x900/0x900
[  662.130211]  ? __might_sleep+0x95/0x190
[  662.134193]  __alloc_pages_nodemask+0xad8/0xea0
[  662.138870]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  662.143889]  ? __page_cache_alloc+0x191/0x5c0
[  662.148382]  ? xa_load+0x2e1/0x460
[  662.151930]  ? xa_clear_mark+0x40/0x40
[  662.155816]  ? zap_class+0x640/0x640
[  662.159542]  ? zap_class+0x640/0x640
[  662.163282]  ? zap_class+0x640/0x640
[  662.166994]  ? __do_page_cache_readahead+0x663/0x810
[  662.172099]  ? find_held_lock+0x36/0x1c0
[  662.176162]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  662.181700]  alloc_pages_current+0x173/0x350
[  662.186111]  __page_cache_alloc+0x38c/0x5c0
[  662.190428]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  662.195353]  ? kasan_check_read+0x11/0x20
[  662.199499]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  662.204791]  ? generic_perform_write+0x6a0/0x6a0
[  662.209567]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  662.215103]  ? check_preemption_disabled+0x48/0x280
[  662.220122]  filemap_fault+0x1595/0x25f0
[  662.224240]  ? __lock_page_or_retry+0xa00/0xa00
[  662.228915]  ? mark_held_locks+0x130/0x130
[  662.233175]  ? filemap_map_pages+0xd6b/0x1a20
[  662.237671]  ? lock_downgrade+0x900/0x900
[  662.241846]  ? check_preemption_disabled+0x48/0x280
[  662.246864]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  662.251789]  ? kasan_check_read+0x11/0x20
[  662.255935]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  662.261243]  ? rcu_softirq_qs+0x20/0x20
[  662.265253]  ? filemap_map_pages+0xd92/0x1a20
[  662.269783]  ? find_get_entries_tag+0x1400/0x1400
[  662.274645]  ? debug_object_destroy+0x2b0/0x2b0
[  662.279320]  ? lock_pi_update_atomic+0x150/0x150
[  662.284074]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.289621]  ? lock_acquire+0x1ed/0x520
[  662.293593]  ? ext4_filemap_fault+0x7a/0xad
[  662.297932]  ? lock_release+0xa00/0xa00
[  662.301924]  ? perf_trace_sched_process_exec+0x860/0x860
[  662.307391]  ? print_usage_bug+0xc0/0xc0
[  662.311454]  ? print_usage_bug+0xc0/0xc0
[  662.315530]  ? down_read+0x8d/0x120
[  662.319165]  ? ext4_filemap_fault+0x7a/0xad
[  662.323491]  ? __down_interruptible+0x700/0x700
[  662.328181]  ext4_filemap_fault+0x82/0xad
[  662.332334]  __do_fault+0x100/0x6b0
[  662.335988]  ? release_sock+0x1ec/0x2c0
[  662.339964]  ? pmd_devmap_trans_unstable+0x220/0x220
[  662.345070]  ? mark_held_locks+0x130/0x130
[  662.349312]  ? mark_held_locks+0x130/0x130
[  662.353546]  ? lock_sock_nested+0x9a/0x120
[  662.357787]  ? __release_sock+0x3a0/0x3a0
[  662.361968]  ? __local_bh_enable_ip+0x160/0x260
[  662.366646]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  662.372191]  __handle_mm_fault+0x3ea0/0x5be0
[  662.376611]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  662.381452]  ? apparmor_socket_sendmsg+0x29/0x30
[  662.386207]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.391763]  ? security_socket_sendmsg+0x94/0xc0
[  662.396521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.402088]  ? zap_class+0x640/0x640
[  662.405799]  ? zap_class+0x640/0x640
[  662.409524]  ? __x64_sys_futex+0x53e/0x6a0
[  662.413782]  ? find_held_lock+0x36/0x1c0
[  662.417870]  ? handle_mm_fault+0x42a/0xc70
[  662.422104]  ? lock_downgrade+0x900/0x900
[  662.426248]  ? check_preemption_disabled+0x48/0x280
[  662.431296]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  662.436229]  ? kasan_check_read+0x11/0x20
[  662.440375]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  662.445649]  ? rcu_softirq_qs+0x20/0x20
[  662.449623]  ? trace_hardirqs_off_caller+0x310/0x310
[  662.454729]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  662.460267]  ? check_preemption_disabled+0x48/0x280
[  662.465304]  handle_mm_fault+0x54f/0xc70
[  662.469366]  ? __handle_mm_fault+0x5be0/0x5be0
[  662.473965]  ? find_vma+0x34/0x190
[  662.477511]  __do_page_fault+0x5e8/0xe60
[  662.481575]  ? trace_hardirqs_off+0xb8/0x310
[  662.485999]  ? __ia32_sys_read+0xb0/0xb0
[  662.490068]  do_page_fault+0xf2/0x7e0
[  662.493868]  ? vmalloc_sync_all+0x30/0x30
[  662.498016]  ? error_entry+0x70/0xd0
[  662.501732]  ? trace_hardirqs_off_caller+0xbb/0x310
[  662.506747]  ? trace_hardirqs_on_caller+0xc0/0x310
[  662.511678]  ? syscall_return_slowpath+0x5e0/0x5e0
[  662.516605]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  662.521445]  ? trace_hardirqs_on_caller+0x310/0x310
[  662.526465]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  662.531931]  ? prepare_exit_to_usermode+0x291/0x3b0
[  662.536966]  ? page_fault+0x8/0x30
[  662.540514]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  662.545383]  ? page_fault+0x8/0x30
[  662.548941]  page_fault+0x1e/0x30
[  662.552390] RIP: 0033:0x45ddf3
[  662.555592] Code: Bad RIP value.
[  662.558956] RSP: 002b:000000c420023ea0 EFLAGS: 00010202
[  662.564330] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
[  662.571591] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  662.578854] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  662.586114] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  662.593375] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
[  662.600722] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304
[  662.600727] warn_alloc_show_mem: 1 callbacks suppressed
[  662.600747] Mem-Info:
[  662.608029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  662.613411] active_anon:59588 inactive_anon:187 isolated_anon:0
[  662.613411]  active_file:13 inactive_file:14 isolated_file:0
[  662.613411]  unevictable:0 dirty:0 writeback:0 unstable:0
[  662.613411]  slab_reclaimable:10147 slab_unreclaimable:1445690
[  662.613411]  mapped:49154 shmem:244 pagetables:690 bounce:0
[  662.613411]  free:13773 free_pcp:174 free_cma:0
[  662.615781] Call Trace:
[  662.625161] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  662.658090]  <IRQ>
[  662.660659] 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
[  662.688189]  dump_stack+0x244/0x39d
[  662.690314] lowmem_reserve[]: 0 2818 6321 6321
[  662.716418]  ? dump_stack_print_info.cold.1+0x20/0x20
[  662.720024] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  662.724621]  warn_alloc.cold.116+0xb7/0x1bd
[  662.729783] lowmem_reserve[]: 0 0 3503 3503
[  662.757295]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  662.761590] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB
[  662.765902]  ? lock_downgrade+0x900/0x900
[  662.770737] lowmem_reserve[]: 0 0 0 0
[  662.799637]  ? trace_hardirqs_off+0xb8/0x310
[  662.803756] 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
[  662.807556]  ? trace_hardirqs_off+0xb8/0x310
[  662.811938] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
[  662.825476]  __alloc_pages_slowpath+0x2651/0x2de0
[  662.829854] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  662.845839]  ? warn_alloc+0x120/0x120
[  662.850640] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  662.864253]  ? warn_alloc+0x120/0x120
[  662.868033] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  662.876868]  ? warn_alloc+0x120/0x120
[  662.880643] 271 total pagecache pages
[  662.889240]  ? print_usage_bug+0xc0/0xc0
[  662.893017] 0 pages in swap cache
[  662.896906]  ? print_usage_bug+0xc0/0xc0
[  662.900945] Swap cache stats: add 0, delete 0, find 0/0
[  662.904414]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  662.908448] Free swap  = 0kB
[  662.913798]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  662.918967] Total swap = 0kB
[  662.921976]  ? should_fail+0x22d/0xd01
[  662.927486] 1965979 pages RAM
[  662.930509]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  662.934370] 0 pages HighMem/MovableOnly
[  662.937465]  ? __lock_acquire+0x62f/0x4c20
[  662.942541] 342854 pages reserved
[  662.946509]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  662.950717] 0 pages cma reserved
[  662.954185]  ? __lock_acquire+0x62f/0x4c20
[  662.959374] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  662.962653]  ? should_fail+0x22d/0xd01
[  662.962677]  ? mark_held_locks+0x130/0x130
[  662.966989] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  662.973390]  ? mark_held_locks+0x130/0x130
[  662.977271] syz-fuzzer cpuset=/ mems_allowed=0
[  662.981519]  ? kvm_clock_read+0x18/0x30
[  663.004473]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  663.009490]  ? zap_class+0x640/0x640
[  663.013198]  ? __lock_acquire+0x62f/0x4c20
[  663.017429]  ? __lock_acquire+0x62f/0x4c20
[  663.021696]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  663.027251]  ? check_preemption_disabled+0x48/0x280
[  663.032319]  ? __lock_is_held+0xb5/0x140
[  663.036403]  __alloc_pages_nodemask+0xad8/0xea0
[  663.041085]  ? zap_class+0x640/0x640
[  663.044798]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  663.049825]  ? find_held_lock+0x36/0x1c0
[  663.053903]  ? ____cache_alloc_node+0x1c7/0x1e0
[  663.058597]  ? lock_downgrade+0x900/0x900
[  663.062744]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  663.068292]  cache_grow_begin+0xa5/0x8c0
[  663.072357]  ? do_raw_spin_unlock+0xa7/0x330
[  663.076787]  fallback_alloc+0x204/0x2e0
[  663.080765]  ____cache_alloc_node+0x1c7/0x1e0
[  663.085261]  kmem_cache_alloc+0x1f8/0x730
[  663.089420]  __build_skb+0xab/0x430
[  663.093049]  ? skb_try_coalesce+0x1b70/0x1b70
[  663.097544]  ? trace_hardirqs_on+0xbd/0x310
[  663.101938]  ? br_send_bpdu.isra.7.constprop.8+0xa8/0xc80
[  663.107474]  ? trace_hardirqs_off_caller+0x310/0x310
[  663.112593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  663.118685]  ? check_preemption_disabled+0x48/0x280
[  663.123712]  __netdev_alloc_skb+0x2b5/0x450
[  663.128065]  br_send_bpdu.isra.7.constprop.8+0xa8/0xc80
[  663.133441]  ? br_send_bpdu_finish+0x20/0x20
[  663.137863]  ? mark_held_locks+0x130/0x130
[  663.142101]  ? __lock_acquire+0x62f/0x4c20
[  663.146368]  br_send_config_bpdu+0xc9d/0x10a0
[  663.150870]  ? br_send_bpdu.isra.7.constprop.8+0xc80/0xc80
[  663.156500]  ? kasan_check_read+0x11/0x20
[  663.160643]  ? do_raw_spin_unlock+0xa7/0x330
[  663.165083]  br_transmit_config+0x8cd/0xbb0
[  663.169405]  ? find_held_lock+0x36/0x1c0
[  663.173487]  ? br_get_port+0x280/0x280
[  663.177376]  ? lock_acquire+0x1ed/0x520
[  663.181348]  ? br_hello_timer_expired+0x20/0x190
[  663.186141]  ? kasan_check_read+0x11/0x20
[  663.190312]  br_config_bpdu_generation+0x16a/0x1c0
[  663.195244]  br_hello_timer_expired+0xa9/0x190
[  663.199836]  call_timer_fn+0x272/0x920
[  663.203724]  ? br_is_root_bridge+0x40/0x40
[  663.207961]  ? process_timeout+0x40/0x40
[  663.212028]  ? __run_timers+0x7da/0xc70
[  663.216006]  ? _raw_spin_unlock_irq+0x27/0x80
[  663.220504]  ? _raw_spin_unlock_irq+0x27/0x80
[  663.224996]  ? br_is_root_bridge+0x40/0x40
[  663.229230]  ? lockdep_hardirqs_on+0x296/0x5b0
[  663.233829]  ? trace_hardirqs_on+0xbd/0x310
[  663.238150]  ? kasan_check_read+0x11/0x20
[  663.242303]  ? __run_timers+0x7da/0xc70
[  663.246301]  ? trace_hardirqs_off_caller+0x310/0x310
[  663.251418]  ? br_is_root_bridge+0x40/0x40
[  663.255652]  __run_timers+0x7e5/0xc70
[  663.259464]  ? timer_fixup_init+0x70/0x70
[  663.263617]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  663.268635]  ? zap_class+0x640/0x640
[  663.272352]  ? enqueue_hrtimer+0x1a5/0x560
[  663.276590]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  663.281787]  ? find_held_lock+0x36/0x1c0
[  663.285867]  ? zap_class+0x640/0x640
[  663.289601]  ? pvclock_read_flags+0x160/0x160
[  663.294108]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  663.299651]  ? check_preemption_disabled+0x48/0x280
[  663.304685]  ? __lock_is_held+0xb5/0x140
[  663.308748]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  663.314296]  ? check_preemption_disabled+0x48/0x280
[  663.319320]  run_timer_softirq+0x52/0xb0
[  663.323382]  ? rcu_read_lock_sched_held+0x14f/0x180
[  663.328401]  __do_softirq+0x308/0xb7e
[  663.332208]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  663.336705]  ? lock_downgrade+0x900/0x900
[  663.340859]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  663.345969]  ? pvclock_read_flags+0x160/0x160
[  663.350485]  ? lapic_next_event+0x5a/0x90
[  663.354637]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  663.360181]  ? kvm_clock_read+0x18/0x30
[  663.364157]  ? kvm_sched_clock_read+0x9/0x20
[  663.368573]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  663.374113]  ? check_preemption_disabled+0x48/0x280
[  663.379140]  irq_exit+0x17f/0x1c0
[  663.382596]  smp_apic_timer_interrupt+0x1cb/0x760
[  663.387444]  ? smp_reschedule_interrupt+0x109/0x650
[  663.392467]  ? smp_call_function_single_interrupt+0x650/0x650
[  663.398352]  ? interrupt_entry+0xb5/0xc0
[  663.402419]  ? trace_hardirqs_off_caller+0xbb/0x310
[  663.407450]  ? trace_hardirqs_off_caller+0xbb/0x310
[  663.412486]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  663.417332]  ? trace_hardirqs_on_caller+0x310/0x310
[  663.422348]  ? trace_hardirqs_on_caller+0x310/0x310
[  663.427374]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  663.432248]  apic_timer_interrupt+0xf/0x20
[  663.436482]  </IRQ>
[  663.438726] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  663.444613] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
[  663.463519] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  663.471235] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  663.478521] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286
[  663.485802] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000
[  663.493069] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40
[  663.500337] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286
[  663.507654]  ? save_stack+0xa9/0xd0
[  663.511341]  __kmalloc_node_track_caller+0x3c/0x70
[  663.516299]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  663.521091]  pskb_expand_head+0x230/0x10f0
[  663.525333]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  663.530787]  ? memcpy+0x45/0x50
[  663.534071]  ? __copy_skb_header+0x350/0x6b0
[  663.538479]  ? skb_release_data+0x880/0x880
[  663.542806]  ? __alloc_skb+0x770/0x770
[  663.546713]  ? __lock_is_held+0xb5/0x140
[  663.550799]  ? kasan_check_write+0x14/0x20
[  663.555050]  ? __skb_clone+0x6c7/0xa00
[  663.558959]  ? __copy_skb_header+0x6b0/0x6b0
[  663.563382]  ? kmem_cache_alloc+0x33a/0x730
[  663.567711]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  663.573255]  skb_ensure_writable+0x3dd/0x640
[  663.577677]  ? skb_checksum_setup+0xaa0/0xaa0
[  663.582178]  ? preempt_notifier_register+0x200/0x200
[  663.587290]  ? __switch_to_asm+0x34/0x70
[  663.591351]  ? __switch_to_asm+0x34/0x70
[  663.595409]  ? __switch_to_asm+0x40/0x70
[  663.599471]  ? __switch_to_asm+0x34/0x70
[  663.603538]  ? __switch_to_asm+0x40/0x70
[  663.607610]  ? __switch_to_asm+0x40/0x70
[  663.611668]  ? __switch_to_asm+0x34/0x70
[  663.615727]  ? __switch_to_asm+0x34/0x70
[  663.619789]  ? __switch_to_asm+0x40/0x70
[  663.623847]  ? __switch_to_asm+0x34/0x70
[  663.627917]  bpf_clone_redirect+0x14a/0x490
[  663.632290]  bpf_prog_12ab75334035c288+0xfcd/0x1000
[  663.637314]  ? __sched_text_start+0x8/0x8
[  663.641464]  ? retint_kernel+0x2d/0x2d
[  663.645365]  ? find_held_lock+0x36/0x1c0
[  663.649435]  ? lock_acquire+0x1ed/0x520
[  663.653409]  ? bpf_test_run+0x3cb/0x780
[  663.657384]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  663.662923]  ? check_preemption_disabled+0x48/0x280
[  663.667945]  ? kasan_check_read+0x11/0x20
[  663.672098]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  663.677388]  ? rcu_softirq_qs+0x20/0x20
[  663.681369]  ? preempt_schedule+0x4d/0x60
[  663.685535]  ? ___preempt_schedule+0x16/0x18
[  663.689952]  ? bpf_test_run+0x25d/0x780
[  663.693941]  ? netlink_diag_dump+0x2a0/0x2a0
[  663.698355]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  663.703892]  ? bpf_test_init.isra.10+0x70/0x100
[  663.708570]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  663.713343]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  663.718184]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  663.723736]  ? fput+0x130/0x1a0
[  663.727051]  ? __bpf_prog_get+0x9b/0x290
[  663.731115]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  663.735960]  ? bpf_prog_test_run+0x130/0x1a0
[  663.740390]  ? __x64_sys_bpf+0x3d8/0x520
[  663.744454]  ? bpf_prog_get+0x20/0x20
[  663.748284]  ? do_syscall_64+0x1b9/0x820
[  663.752360]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  663.757725]  ? syscall_return_slowpath+0x5e0/0x5e0
[  663.762671]  ? trace_hardirqs_on_caller+0x310/0x310
[  663.767687]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  663.772770]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  663.779440]  ? __switch_to_asm+0x40/0x70
[  663.783503]  ? __switch_to_asm+0x34/0x70
[  663.787570]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  663.792422]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  663.797819] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
[  663.797933] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  663.804839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  663.815327] syz-executor3 cpuset=syz3 mems_allowed=0
[  663.824668] Call Trace:
[  663.832326]  <IRQ>
[  663.834483]  dump_stack+0x244/0x39d
[  663.838127]  ? dump_stack_print_info.cold.1+0x20/0x20
[  663.843357]  warn_alloc.cold.116+0xb7/0x1bd
[  663.847685]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  663.852569]  ? lock_downgrade+0x900/0x900
[  663.856730]  ? trace_hardirqs_off+0xb8/0x310
[  663.861144]  ? trace_hardirqs_off+0xb8/0x310
[  663.865567]  __alloc_pages_slowpath+0x2651/0x2de0
[  663.870436]  ? warn_alloc+0x120/0x120
[  663.874238]  ? print_usage_bug+0xc0/0xc0
[  663.878306]  ? warn_alloc+0x120/0x120
[  663.882120]  ? warn_alloc+0x120/0x120
[  663.885921]  ? print_usage_bug+0xc0/0xc0
[  663.889977]  ? kvm_clock_read+0x18/0x30
[  663.893951]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  663.898967]  ? print_usage_bug+0xc0/0xc0
[  663.903059]  ? __lock_acquire+0x62f/0x4c20
[  663.907351]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  663.912910]  ? should_fail+0x22d/0xd01
[  663.916797]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  663.922080]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  663.927184]  ? __lock_acquire+0x62f/0x4c20
[  663.931427]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  663.936530]  ? __lock_acquire+0x62f/0x4c20
[  663.940769]  ? should_fail+0x22d/0xd01
[  663.944652]  ? rcu_irq_exit+0x1a2/0x390
[  663.948641]  ? mark_held_locks+0x130/0x130
[  663.952883]  ? mark_held_locks+0x130/0x130
[  663.957127]  ? mark_held_locks+0xc7/0x130
[  663.961285]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  663.966508]  ? zap_class+0x640/0x640
[  663.970227]  ? print_usage_bug+0xc0/0xc0
[  663.974304]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  663.979845]  ? check_preemption_disabled+0x48/0x280
[  663.984902]  ? __lock_is_held+0xb5/0x140
[  663.988973]  __alloc_pages_nodemask+0xad8/0xea0
[  663.993643]  ? zap_class+0x640/0x640
[  663.997368]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  664.002406]  ? find_held_lock+0x36/0x1c0
[  664.006481]  ? ____cache_alloc_node+0x1c7/0x1e0
[  664.011167]  ? lock_downgrade+0x900/0x900
[  664.015324]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.020864]  cache_grow_begin+0xa5/0x8c0
[  664.024925]  ? do_raw_spin_unlock+0xa7/0x330
[  664.029347]  fallback_alloc+0x204/0x2e0
[  664.033346]  ____cache_alloc_node+0x1c7/0x1e0
[  664.037850]  kmem_cache_alloc_node+0xe3/0x730
[  664.042350]  ? ipv6_get_ifaddr+0x42e/0x620
[  664.046594]  __alloc_skb+0x119/0x770
[  664.050321]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  664.055603]  ? netdev_alloc_frag+0x1f0/0x1f0
[  664.060026]  ? lock_downgrade+0x900/0x900
[  664.064214]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.069750]  ? refcount_sub_and_test_checked+0x203/0x310
[  664.075218]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  664.080686]  ? addrconf_rs_timer+0x690/0x690
[  664.085107]  ndisc_alloc_skb+0x144/0x340
[  664.089178]  ndisc_send_rs+0x331/0x6e0
[  664.093070]  addrconf_rs_timer+0x314/0x690
[  664.097473]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  664.101721]  call_timer_fn+0x272/0x920
[  664.105638]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  664.109868]  ? process_timeout+0x40/0x40
[  664.113935]  ? mark_held_locks+0xc7/0x130
[  664.118113]  ? _raw_spin_unlock_irq+0x27/0x80
[  664.122604]  ? _raw_spin_unlock_irq+0x27/0x80
[  664.127131]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  664.131365]  ? lockdep_hardirqs_on+0x296/0x5b0
[  664.135950]  ? trace_hardirqs_on+0xbd/0x310
[  664.140281]  ? kasan_check_read+0x11/0x20
[  664.144427]  ? __run_timers+0x7da/0xc70
[  664.148402]  ? trace_hardirqs_off_caller+0x310/0x310
[  664.153507]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  664.157755]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  664.161998]  __run_timers+0x7e5/0xc70
[  664.165811]  ? timer_fixup_init+0x70/0x70
[  664.169963]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  664.174984]  ? zap_class+0x640/0x640
[  664.178703]  ? print_usage_bug+0xc0/0xc0
[  664.182779]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  664.187981]  ? find_held_lock+0x36/0x1c0
[  664.192067]  ? zap_class+0x640/0x640
[  664.195786]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.201324]  ? check_preemption_disabled+0x48/0x280
[  664.206349]  ? __lock_is_held+0xb5/0x140
[  664.210413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.215954]  ? check_preemption_disabled+0x48/0x280
[  664.221021]  run_timer_softirq+0x52/0xb0
[  664.225083]  ? rcu_read_lock_sched_held+0x14f/0x180
[  664.230103]  __do_softirq+0x308/0xb7e
[  664.233912]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  664.238411]  ? lock_downgrade+0x900/0x900
[  664.242566]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  664.247691]  ? pvclock_read_flags+0x160/0x160
[  664.252207]  ? lapic_next_event+0x5a/0x90
[  664.256371]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.261919]  ? kvm_clock_read+0x18/0x30
[  664.265892]  ? kvm_sched_clock_read+0x9/0x20
[  664.270339]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  664.275880]  ? check_preemption_disabled+0x48/0x280
[  664.280905]  irq_exit+0x17f/0x1c0
[  664.284361]  smp_apic_timer_interrupt+0x1cb/0x760
[  664.289200]  ? smp_call_function_single_interrupt+0x159/0x650
[  664.295087]  ? smp_call_function_single_interrupt+0x650/0x650
[  664.300971]  ? interrupt_entry+0xb5/0xc0
[  664.305056]  ? trace_hardirqs_off_caller+0xbb/0x310
[  664.310101]  ? trace_hardirqs_off_caller+0xbb/0x310
[  664.315130]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  664.319974]  ? trace_hardirqs_on_caller+0x310/0x310
[  664.324988]  ? trace_hardirqs_on_caller+0x310/0x310
[  664.330003]  ? task_prio+0x50/0x50
[  664.333552]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.339095]  ? check_preemption_disabled+0x48/0x280
[  664.344118]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  664.348990]  apic_timer_interrupt+0xf/0x20
[  664.353220]  </IRQ>
[  664.355460] RIP: 0010:rcu_is_watching+0x0/0x30
[  664.360040] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
[  664.378970] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  664.386681] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
[  664.393951] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
[  664.401247] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
[  664.408523] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
[  664.415795] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  664.423083]  ? list_lru_count_one+0x253/0x450
[  664.427579]  ? list_lru_count_one+0x35d/0x450
[  664.432084]  ? list_lru_count_one+0x362/0x450
[  664.436623]  ? list_lru_isolate_move+0x3c0/0x3c0
[  664.441409]  ? shmem_free_inode+0xd0/0xd0
[  664.445566]  ? __lock_is_held+0xb5/0x140
[  664.449666]  super_cache_count+0x1b9/0x2e0
[  664.453906]  do_shrink_slab+0x1b1/0xd30
[  664.457891]  ? snapshot_refaults+0x290/0x290
[  664.462307]  ? lock_release+0xa00/0xa00
[  664.466293]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  664.471233]  ? down_read_trylock+0xda/0x140
[  664.475814]  ? shrink_slab+0x207/0x8c0
[  664.479708]  ? downgrade_write+0x270/0x270
[  664.483975]  shrink_slab+0x389/0x8c0
[  664.487729]  ? shrink_active_list+0x1f00/0x1f00
[  664.492409]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  664.498041]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  664.503154]  ? cgroup_procs_write_finish+0xf0/0xf0
[  664.508106]  ? find_held_lock+0x36/0x1c0
[  664.512176]  shrink_node+0x431/0x16b0
[  664.516041]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  664.521384]  ? shrink_node_memcg+0x18f0/0x18f0
[  664.525974]  ? kvm_clock_read+0x18/0x30
[  664.529955]  ? ktime_get+0x2c1/0x400
[  664.533683]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  664.538185]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  664.543728]  ? __cpuset_node_allowed+0x19b/0x660
[  664.548515]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  664.554234]  ? delayacct_end+0x5a/0x100
[  664.558217]  do_try_to_free_pages+0x3e7/0x1290
[  664.562803]  ? zap_class+0x640/0x640
[  664.566544]  ? shrink_node+0x16b0/0x16b0
[  664.570640]  ? __lock_is_held+0xb5/0x140
[  664.574718]  try_to_free_pages+0x4d0/0xb90
[  664.578958]  ? do_try_to_free_pages+0x1290/0x1290
[  664.583815]  ? lock_acquire+0x1ed/0x520
[  664.587807]  ? set_page_refcounted+0x280/0x280
[  664.592421]  ? lock_release+0xa00/0xa00
[  664.596427]  ? _raw_spin_unlock_irq+0x60/0x80
[  664.600924]  ? psi_memstall_enter+0x240/0x2b0
[  664.605445]  ? psi_memstall_tick+0x230/0x230
[  664.609871]  __alloc_pages_slowpath+0xa48/0x2de0
[  664.614691]  ? warn_alloc+0x120/0x120
[  664.618521]  ? mark_held_locks+0x130/0x130
[  664.622766]  ? find_get_entry+0xaae/0x1120
[  664.627013]  ? filemap_map_pages+0x1a20/0x1a20
[  664.631599]  ? zap_class+0x640/0x640
[  664.635332]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.640874]  ? check_preemption_disabled+0x48/0x280
[  664.645900]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  664.651439]  ? should_fail+0x22d/0xd01
[  664.655334]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  664.660440]  ? zap_class+0x640/0x640
[  664.664180]  ? __lock_is_held+0xb5/0x140
[  664.668248]  ? mark_held_locks+0x130/0x130
[  664.672496]  ? lock_release+0xa00/0xa00
[  664.676473]  ? perf_trace_sched_process_exec+0x860/0x860
[  664.681964]  ? xa_load+0x2ba/0x460
[  664.685503]  ? lock_downgrade+0x900/0x900
[  664.689671]  ? __might_sleep+0x95/0x190
[  664.693688]  __alloc_pages_nodemask+0xad8/0xea0
[  664.698367]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  664.703387]  ? __page_cache_alloc+0x191/0x5c0
[  664.707884]  ? xa_load+0x2e1/0x460
[  664.711425]  ? xa_clear_mark+0x40/0x40
[  664.715330]  ? zap_class+0x640/0x640
[  664.719066]  ? zap_class+0x640/0x640
[  664.722783]  ? zap_class+0x640/0x640
[  664.726530]  ? __do_page_cache_readahead+0x663/0x810
[  664.731647]  ? find_held_lock+0x36/0x1c0
[  664.735716]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  664.741262]  alloc_pages_current+0x173/0x350
[  664.745682]  __page_cache_alloc+0x38c/0x5c0
[  664.749998]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  664.754928]  ? kasan_check_read+0x11/0x20
[  664.759091]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  664.764381]  ? generic_perform_write+0x6a0/0x6a0
[  664.769154]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  664.774690]  ? check_preemption_disabled+0x48/0x280
[  664.779716]  filemap_fault+0x1595/0x25f0
[  664.783791]  ? __lock_page_or_retry+0xa00/0xa00
[  664.788464]  ? mark_held_locks+0x130/0x130
[  664.792726]  ? filemap_map_pages+0xd6b/0x1a20
[  664.797253]  ? lock_downgrade+0x900/0x900
[  664.801411]  ? check_preemption_disabled+0x48/0x280
[  664.806439]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  664.811365]  ? kasan_check_read+0x11/0x20
[  664.815523]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  664.820804]  ? rcu_softirq_qs+0x20/0x20
[  664.824803]  ? filemap_map_pages+0xd92/0x1a20
[  664.829330]  ? find_get_entries_tag+0x1400/0x1400
[  664.834183]  ? debug_object_destroy+0x2b0/0x2b0
[  664.838854]  ? lock_pi_update_atomic+0x150/0x150
[  664.843611]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.849163]  ? lock_acquire+0x1ed/0x520
[  664.853135]  ? ext4_filemap_fault+0x7a/0xad
[  664.857480]  ? lock_release+0xa00/0xa00
[  664.861452]  ? perf_trace_sched_process_exec+0x860/0x860
[  664.866907]  ? print_usage_bug+0xc0/0xc0
[  664.870971]  ? print_usage_bug+0xc0/0xc0
[  664.875052]  ? down_read+0x8d/0x120
[  664.878677]  ? ext4_filemap_fault+0x7a/0xad
[  664.883001]  ? __down_interruptible+0x700/0x700
[  664.887679]  ext4_filemap_fault+0x82/0xad
[  664.891833]  __do_fault+0x100/0x6b0
[  664.895458]  ? release_sock+0x1ec/0x2c0
[  664.899436]  ? pmd_devmap_trans_unstable+0x220/0x220
[  664.904552]  ? mark_held_locks+0x130/0x130
[  664.908803]  ? mark_held_locks+0x130/0x130
[  664.913061]  ? lock_sock_nested+0x9a/0x120
[  664.917337]  ? __release_sock+0x3a0/0x3a0
[  664.921486]  ? __local_bh_enable_ip+0x160/0x260
[  664.926159]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  664.931704]  __handle_mm_fault+0x3ea0/0x5be0
[  664.936124]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  664.940967]  ? apparmor_socket_sendmsg+0x29/0x30
[  664.945729]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.951267]  ? security_socket_sendmsg+0x94/0xc0
[  664.956047]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.961629]  ? zap_class+0x640/0x640
[  664.965358]  ? zap_class+0x640/0x640
[  664.969072]  ? __x64_sys_futex+0x53e/0x6a0
[  664.973319]  ? find_held_lock+0x36/0x1c0
[  664.977395]  ? handle_mm_fault+0x42a/0xc70
[  664.981635]  ? lock_downgrade+0x900/0x900
[  664.985787]  ? check_preemption_disabled+0x48/0x280
[  664.990829]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  664.995757]  ? kasan_check_read+0x11/0x20
[  664.999919]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  665.005208]  ? rcu_softirq_qs+0x20/0x20
[  665.009179]  ? trace_hardirqs_off_caller+0x310/0x310
[  665.014289]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  665.019829]  ? check_preemption_disabled+0x48/0x280
[  665.024856]  handle_mm_fault+0x54f/0xc70
[  665.028922]  ? __handle_mm_fault+0x5be0/0x5be0
[  665.033510]  ? find_vma+0x34/0x190
[  665.037062]  __do_page_fault+0x5e8/0xe60
[  665.041122]  ? trace_hardirqs_off+0xb8/0x310
[  665.045527]  ? __ia32_sys_read+0xb0/0xb0
[  665.049600]  do_page_fault+0xf2/0x7e0
[  665.053402]  ? vmalloc_sync_all+0x30/0x30
[  665.057555]  ? error_entry+0x70/0xd0
[  665.061267]  ? trace_hardirqs_off_caller+0xbb/0x310
[  665.066294]  ? trace_hardirqs_on_caller+0xc0/0x310
[  665.071226]  ? syscall_return_slowpath+0x5e0/0x5e0
[  665.076151]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  665.080989]  ? trace_hardirqs_on_caller+0x310/0x310
[  665.086004]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  665.091460]  ? prepare_exit_to_usermode+0x291/0x3b0
[  665.096474]  ? page_fault+0x8/0x30
[  665.100020]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  665.104901]  ? page_fault+0x8/0x30
[  665.108458]  page_fault+0x1e/0x30
[  665.111911] RIP: 0033:0x45ddf3
[  665.115129] Code: Bad RIP value.
[  665.118519] RSP: 002b:000000c420023ea0 EFLAGS: 00010202
[  665.123884] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
[  665.131148] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  665.138450] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  665.145721] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  665.152990] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
[  665.160301] warn_alloc_show_mem: 1 callbacks suppressed
[  665.160313] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304
[  665.160314] Mem-Info:
[  665.160345] active_anon:59588 inactive_anon:187 isolated_anon:0
[  665.160345]  active_file:13 inactive_file:14 isolated_file:0
[  665.160345]  unevictable:0 dirty:0 writeback:0 unstable:0
[  665.160345]  slab_reclaimable:10147 slab_unreclaimable:1445690
[  665.160345]  mapped:49154 shmem:244 pagetables:690 bounce:0
[  665.160345]  free:13773 free_pcp:174 free_cma:0
[  665.165686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  665.172963] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  665.175377] Call Trace:
[  665.208330] 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
[  665.217674]  <IRQ>
[  665.245152] lowmem_reserve[]: 0 2818 6321 6321
[  665.247750]  dump_stack+0x244/0x39d
[  665.273843] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  665.276016]  ? dump_stack_print_info.cold.1+0x20/0x20
[  665.280574] lowmem_reserve[]: 0 0 3503 3503
[  665.284204]  warn_alloc.cold.116+0xb7/0x1bd
[  665.311681] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB
[  665.316877]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  665.321167] lowmem_reserve[]: 0 0 0 0
[  665.325484]  ? lock_downgrade+0x900/0x900
[  665.354344] 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
[  665.359182]  ? trace_hardirqs_off+0xb8/0x310
[  665.362967] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
[  665.367109]  ? trace_hardirqs_off+0xb8/0x310
[  665.380605] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  665.385017]  __alloc_pages_slowpath+0x2651/0x2de0
[  665.400951] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  665.405373]  ? warn_alloc+0x120/0x120
[  665.418956] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  665.423805]  ? warn_alloc+0x120/0x120
[  665.432615] 271 total pagecache pages
[  665.436420]  ? warn_alloc+0x120/0x120
[  665.444984] 0 pages in swap cache
[  665.448779]  ? print_usage_bug+0xc0/0xc0
[  665.452560] Swap cache stats: add 0, delete 0, find 0/0
[  665.456350]  ? enqueue_hrtimer+0x1a5/0x560
[  665.459780] Free swap  = 0kB
[  665.463835]  ? print_usage_bug+0xc0/0xc0
[  665.469188] Total swap = 0kB
[  665.473433]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  665.476429] 1965979 pages RAM
[  665.480486]  ? print_usage_bug+0xc0/0xc0
[  665.483481] 0 pages HighMem/MovableOnly
[  665.488665]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  665.491745] 342854 pages reserved
[  665.495804]  ? should_fail+0x22d/0xd01
[  665.499755] 0 pages cma reserved
[  665.505313]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  665.508817] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  665.512647]  ? __lock_acquire+0x62f/0x4c20
[  665.516091] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  665.521099]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  665.527576] syz-fuzzer cpuset=/ mems_allowed=0
[  665.531807]  ? __lock_acquire+0x62f/0x4c20
[  665.555975]  ? should_fail+0x22d/0xd01
[  665.559873]  ? mark_held_locks+0x130/0x130
[  665.564118]  ? mark_held_locks+0x130/0x130
[  665.568362]  ? mark_held_locks+0x130/0x130
[  665.572603]  ? zap_class+0x640/0x640
[  665.576319]  ? check_preemption_disabled+0x48/0x280
[  665.581338]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  665.585841]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.591383]  ? check_preemption_disabled+0x48/0x280
[  665.596416]  ? __lock_is_held+0xb5/0x140
[  665.600490]  __alloc_pages_nodemask+0xad8/0xea0
[  665.605162]  ? zap_class+0x640/0x640
[  665.608881]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  665.613909]  ? find_held_lock+0x36/0x1c0
[  665.617983]  ? ____cache_alloc_node+0x1c7/0x1e0
[  665.622656]  ? lock_downgrade+0x900/0x900
[  665.626816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.632359]  cache_grow_begin+0xa5/0x8c0
[  665.636425]  ? do_raw_spin_unlock+0xa7/0x330
[  665.640844]  fallback_alloc+0x204/0x2e0
[  665.644825]  ____cache_alloc_node+0x1c7/0x1e0
[  665.649330]  kmem_cache_alloc+0x1f8/0x730
[  665.653490]  __build_skb+0xab/0x430
[  665.657121]  ? skb_try_coalesce+0x1b70/0x1b70
[  665.661623]  ? trace_hardirqs_on+0xbd/0x310
[  665.665948]  ? br_send_bpdu.isra.7.constprop.8+0xa8/0xc80
[  665.671491]  ? trace_hardirqs_off_caller+0x310/0x310
[  665.676593]  ? mod_timer+0x631/0x1560
[  665.680395]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.685940]  ? check_preemption_disabled+0x48/0x280
[  665.690963]  __netdev_alloc_skb+0x2b5/0x450
[  665.695306]  br_send_bpdu.isra.7.constprop.8+0xa8/0xc80
[  665.700683]  ? br_send_bpdu_finish+0x20/0x20
[  665.705099]  ? mark_held_locks+0x130/0x130
[  665.709337]  ? __lock_acquire+0x62f/0x4c20
[  665.713616]  br_send_config_bpdu+0xc9d/0x10a0
[  665.718123]  ? br_send_bpdu.isra.7.constprop.8+0xc80/0xc80
[  665.723747]  ? round_jiffies+0x11c/0x170
[  665.727816]  ? kasan_check_read+0x11/0x20
[  665.731966]  ? do_raw_spin_unlock+0xa7/0x330
[  665.736396]  br_transmit_config+0x8cd/0xbb0
[  665.740715]  ? find_held_lock+0x36/0x1c0
[  665.744781]  ? br_get_port+0x280/0x280
[  665.748667]  ? lock_acquire+0x1ed/0x520
[  665.752639]  ? br_hello_timer_expired+0x20/0x190
[  665.757404]  ? kasan_check_read+0x11/0x20
[  665.761570]  br_config_bpdu_generation+0x16a/0x1c0
[  665.766501]  br_hello_timer_expired+0xa9/0x190
[  665.771086]  call_timer_fn+0x272/0x920
[  665.774974]  ? br_is_root_bridge+0x40/0x40
[  665.779213]  ? process_timeout+0x40/0x40
[  665.783297]  ? __run_timers+0x7da/0xc70
[  665.787298]  ? _raw_spin_unlock_irq+0x27/0x80
[  665.791809]  ? _raw_spin_unlock_irq+0x27/0x80
[  665.796305]  ? br_is_root_bridge+0x40/0x40
[  665.800538]  ? lockdep_hardirqs_on+0x296/0x5b0
[  665.805220]  ? trace_hardirqs_on+0xbd/0x310
[  665.809538]  ? kasan_check_read+0x11/0x20
[  665.813696]  ? __run_timers+0x7da/0xc70
[  665.817672]  ? trace_hardirqs_off_caller+0x310/0x310
[  665.822808]  ? br_is_root_bridge+0x40/0x40
[  665.827050]  __run_timers+0x7e5/0xc70
[  665.830862]  ? timer_fixup_init+0x70/0x70
[  665.835011]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  665.840052]  ? zap_class+0x640/0x640
[  665.843774]  ? enqueue_hrtimer+0x1a5/0x560
[  665.848012]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  665.853213]  ? find_held_lock+0x36/0x1c0
[  665.857290]  ? zap_class+0x640/0x640
[  665.861012]  ? pvclock_read_flags+0x160/0x160
[  665.865516]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.871059]  ? check_preemption_disabled+0x48/0x280
[  665.876090]  ? __lock_is_held+0xb5/0x140
[  665.880153]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.885691]  ? check_preemption_disabled+0x48/0x280
[  665.890712]  run_timer_softirq+0x52/0xb0
[  665.894774]  ? rcu_read_lock_sched_held+0x14f/0x180
[  665.899796]  __do_softirq+0x308/0xb7e
[  665.903607]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  665.908106]  ? lock_downgrade+0x900/0x900
[  665.912262]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  665.917384]  ? pvclock_read_flags+0x160/0x160
[  665.921884]  ? lapic_next_event+0x5a/0x90
[  665.926046]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.931592]  ? kvm_clock_read+0x18/0x30
[  665.935567]  ? kvm_sched_clock_read+0x9/0x20
[  665.939981]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.945559]  ? check_preemption_disabled+0x48/0x280
[  665.950586]  irq_exit+0x17f/0x1c0
[  665.954053]  smp_apic_timer_interrupt+0x1cb/0x760
[  665.958912]  ? smp_reschedule_interrupt+0x109/0x650
[  665.964091]  ? smp_call_function_single_interrupt+0x650/0x650
[  665.969995]  ? interrupt_entry+0xb5/0xc0
[  665.974083]  ? trace_hardirqs_off_caller+0xbb/0x310
[  665.979103]  ? trace_hardirqs_off_caller+0xbb/0x310
[  665.984125]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  665.988986]  ? trace_hardirqs_on_caller+0x310/0x310
[  665.994007]  ? trace_hardirqs_on_caller+0x310/0x310
[  665.999059]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  666.003910]  apic_timer_interrupt+0xf/0x20
[  666.008134]  </IRQ>
[  666.010373] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  666.016258] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
[  666.035180] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  666.042884] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  666.050151] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286
[  666.057433] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000
[  666.064698] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40
[  666.071975] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286
[  666.079292]  ? save_stack+0xa9/0xd0
[  666.082931]  __kmalloc_node_track_caller+0x3c/0x70
[  666.087865]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  666.092626]  pskb_expand_head+0x230/0x10f0
[  666.097318]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  666.102785]  ? memcpy+0x45/0x50
[  666.106081]  ? __copy_skb_header+0x350/0x6b0
[  666.110493]  ? skb_release_data+0x880/0x880
[  666.114829]  ? __alloc_skb+0x770/0x770
[  666.118728]  ? __lock_is_held+0xb5/0x140
[  666.122815]  ? kasan_check_write+0x14/0x20
[  666.127073]  ? __skb_clone+0x6c7/0xa00
[  666.130964]  ? __copy_skb_header+0x6b0/0x6b0
[  666.135371]  ? kmem_cache_alloc+0x33a/0x730
[  666.139697]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  666.145243]  skb_ensure_writable+0x3dd/0x640
[  666.149663]  ? skb_checksum_setup+0xaa0/0xaa0
[  666.154164]  ? preempt_notifier_register+0x200/0x200
[  666.159268]  ? __switch_to_asm+0x34/0x70
[  666.163343]  ? __switch_to_asm+0x34/0x70
[  666.167416]  ? __switch_to_asm+0x40/0x70
[  666.171474]  ? __switch_to_asm+0x34/0x70
[  666.175533]  ? __switch_to_asm+0x40/0x70
[  666.179594]  ? __switch_to_asm+0x40/0x70
[  666.183653]  ? __switch_to_asm+0x34/0x70
[  666.187728]  ? __switch_to_asm+0x34/0x70
[  666.191788]  ? __switch_to_asm+0x40/0x70
[  666.195848]  ? __switch_to_asm+0x34/0x70
[  666.199934]  bpf_clone_redirect+0x14a/0x490
[  666.204268]  bpf_prog_12ab75334035c288+0xfcd/0x1000
[  666.209304]  ? __sched_text_start+0x8/0x8
[  666.213452]  ? retint_kernel+0x2d/0x2d
[  666.217365]  ? find_held_lock+0x36/0x1c0
[  666.221435]  ? lock_acquire+0x1ed/0x520
[  666.225411]  ? bpf_test_run+0x3cb/0x780
[  666.229387]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  666.234929]  ? check_preemption_disabled+0x48/0x280
[  666.239972]  ? kasan_check_read+0x11/0x20
[  666.244194]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  666.249487]  ? rcu_softirq_qs+0x20/0x20
[  666.253465]  ? preempt_schedule+0x4d/0x60
[  666.257614]  ? ___preempt_schedule+0x16/0x18
[  666.262030]  ? bpf_test_run+0x25d/0x780
[  666.266056]  ? netlink_diag_dump+0x2a0/0x2a0
[  666.270472]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  666.276009]  ? bpf_test_init.isra.10+0x70/0x100
[  666.280686]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  666.285454]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  666.290309]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  666.295847]  ? fput+0x130/0x1a0
[  666.299239]  ? __bpf_prog_get+0x9b/0x290
[  666.303326]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  666.308183]  ? bpf_prog_test_run+0x130/0x1a0
[  666.312597]  ? __x64_sys_bpf+0x3d8/0x520
[  666.316662]  ? bpf_prog_get+0x20/0x20
[  666.320487]  ? do_syscall_64+0x1b9/0x820
[  666.324548]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  666.329915]  ? syscall_return_slowpath+0x5e0/0x5e0
[  666.334849]  ? trace_hardirqs_on_caller+0x310/0x310
[  666.339869]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  666.344888]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  666.351552]  ? __switch_to_asm+0x40/0x70
[  666.355612]  ? __switch_to_asm+0x34/0x70
[  666.359681]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  666.364531]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  666.369915] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
[  666.370106] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  666.376939] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  666.387406] syz-executor3 cpuset=syz3 mems_allowed=0
[  666.396761] Call Trace:
[  666.404471]  <IRQ>
[  666.406628]  dump_stack+0x244/0x39d
[  666.410258]  ? dump_stack_print_info.cold.1+0x20/0x20
[  666.415488]  warn_alloc.cold.116+0xb7/0x1bd
[  666.419830]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  666.424676]  ? lock_downgrade+0x900/0x900
[  666.428835]  ? trace_hardirqs_off+0xb8/0x310
[  666.433251]  ? trace_hardirqs_off+0xb8/0x310
[  666.437677]  __alloc_pages_slowpath+0x2651/0x2de0
[  666.442555]  ? warn_alloc+0x120/0x120
[  666.446368]  ? print_usage_bug+0xc0/0xc0
[  666.450447]  ? warn_alloc+0x120/0x120
[  666.454253]  ? warn_alloc+0x120/0x120
[  666.458077]  ? print_usage_bug+0xc0/0xc0
[  666.462138]  ? kvm_clock_read+0x18/0x30
[  666.466122]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  666.471167]  ? print_usage_bug+0xc0/0xc0
[  666.475246]  ? __lock_acquire+0x62f/0x4c20
[  666.479496]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  666.485035]  ? should_fail+0x22d/0xd01
[  666.488996]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  666.494310]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  666.499435]  ? __lock_acquire+0x62f/0x4c20
[  666.503687]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  666.508789]  ? __lock_acquire+0x62f/0x4c20
[  666.513022]  ? should_fail+0x22d/0xd01
[  666.516906]  ? rcu_irq_exit+0x1a2/0x390
[  666.520889]  ? mark_held_locks+0x130/0x130
[  666.525131]  ? mark_held_locks+0x130/0x130
[  666.529375]  ? mark_held_locks+0xc7/0x130
[  666.533528]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  666.538573]  ? zap_class+0x640/0x640
[  666.542293]  ? print_usage_bug+0xc0/0xc0
[  666.546376]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  666.551911]  ? check_preemption_disabled+0x48/0x280
[  666.556940]  ? __lock_is_held+0xb5/0x140
[  666.561009]  __alloc_pages_nodemask+0xad8/0xea0
[  666.565684]  ? zap_class+0x640/0x640
[  666.569406]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  666.574449]  ? find_held_lock+0x36/0x1c0
[  666.578542]  ? ____cache_alloc_node+0x1c7/0x1e0
[  666.583212]  ? lock_downgrade+0x900/0x900
[  666.587403]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  666.592946]  cache_grow_begin+0xa5/0x8c0
[  666.597004]  ? do_raw_spin_unlock+0xa7/0x330
[  666.601422]  fallback_alloc+0x204/0x2e0
[  666.605420]  ____cache_alloc_node+0x1c7/0x1e0
[  666.609923]  kmem_cache_alloc_node+0xe3/0x730
[  666.614419]  ? ipv6_get_ifaddr+0x42e/0x620
[  666.618678]  __alloc_skb+0x119/0x770
[  666.622390]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  666.627676]  ? netdev_alloc_frag+0x1f0/0x1f0
[  666.632083]  ? lock_downgrade+0x900/0x900
[  666.636238]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  666.641773]  ? refcount_sub_and_test_checked+0x203/0x310
[  666.647224]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  666.652672]  ? addrconf_rs_timer+0x690/0x690
[  666.657093]  ndisc_alloc_skb+0x144/0x340
[  666.661159]  ndisc_send_rs+0x331/0x6e0
[  666.665090]  addrconf_rs_timer+0x314/0x690
[  666.669344]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  666.673636]  call_timer_fn+0x272/0x920
[  666.677545]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  666.681778]  ? process_timeout+0x40/0x40
[  666.685877]  ? mark_held_locks+0xc7/0x130
[  666.690043]  ? _raw_spin_unlock_irq+0x27/0x80
[  666.694546]  ? _raw_spin_unlock_irq+0x27/0x80
[  666.699045]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  666.703291]  ? lockdep_hardirqs_on+0x296/0x5b0
[  666.707878]  ? trace_hardirqs_on+0xbd/0x310
[  666.712199]  ? kasan_check_read+0x11/0x20
[  666.716445]  ? __run_timers+0x7da/0xc70
[  666.720437]  ? trace_hardirqs_off_caller+0x310/0x310
[  666.725550]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  666.729790]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  666.734023]  __run_timers+0x7e5/0xc70
[  666.737831]  ? timer_fixup_init+0x70/0x70
[  666.741982]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  666.747002]  ? zap_class+0x640/0x640
[  666.750720]  ? print_usage_bug+0xc0/0xc0
[  666.754803]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  666.760006]  ? find_held_lock+0x36/0x1c0
[  666.764254]  ? zap_class+0x640/0x640
[  666.767980]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  666.773517]  ? check_preemption_disabled+0x48/0x280
[  666.778554]  ? __lock_is_held+0xb5/0x140
[  666.782622]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  666.788164]  ? check_preemption_disabled+0x48/0x280
[  666.793188]  run_timer_softirq+0x52/0xb0
[  666.797252]  ? rcu_read_lock_sched_held+0x14f/0x180
[  666.802300]  __do_softirq+0x308/0xb7e
[  666.806108]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  666.810601]  ? lock_downgrade+0x900/0x900
[  666.814753]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  666.819866]  ? pvclock_read_flags+0x160/0x160
[  666.824364]  ? lapic_next_event+0x5a/0x90
[  666.828515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  666.834063]  ? kvm_clock_read+0x18/0x30
[  666.838038]  ? kvm_sched_clock_read+0x9/0x20
[  666.842451]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  666.847992]  ? check_preemption_disabled+0x48/0x280
[  666.853033]  irq_exit+0x17f/0x1c0
[  666.856490]  smp_apic_timer_interrupt+0x1cb/0x760
[  666.861338]  ? smp_call_function_single_interrupt+0x159/0x650
[  666.867226]  ? smp_call_function_single_interrupt+0x650/0x650
[  666.873126]  ? interrupt_entry+0xb5/0xc0
[  666.877192]  ? trace_hardirqs_off_caller+0xbb/0x310
[  666.882207]  ? trace_hardirqs_off_caller+0xbb/0x310
[  666.887227]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  666.892090]  ? trace_hardirqs_on_caller+0x310/0x310
[  666.897104]  ? trace_hardirqs_on_caller+0x310/0x310
[  666.902134]  ? task_prio+0x50/0x50
[  666.905710]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  666.911281]  ? check_preemption_disabled+0x48/0x280
[  666.916312]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  666.921176]  apic_timer_interrupt+0xf/0x20
[  666.925401]  </IRQ>
[  666.927644] RIP: 0010:rcu_is_watching+0x0/0x30
[  666.932226] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
[  666.951125] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  666.958835] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
[  666.966106] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
[  666.973374] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
[  666.980671] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
[  666.987940] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  666.995243]  ? list_lru_count_one+0x253/0x450
[  666.999741]  ? list_lru_count_one+0x35d/0x450
[  667.004242]  ? list_lru_count_one+0x362/0x450
[  667.008748]  ? list_lru_isolate_move+0x3c0/0x3c0
[  667.013505]  ? shmem_free_inode+0xd0/0xd0
[  667.017660]  ? __lock_is_held+0xb5/0x140
[  667.021739]  super_cache_count+0x1b9/0x2e0
[  667.025980]  do_shrink_slab+0x1b1/0xd30
[  667.029977]  ? snapshot_refaults+0x290/0x290
[  667.034398]  ? lock_release+0xa00/0xa00
[  667.038379]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  667.043321]  ? down_read_trylock+0xda/0x140
[  667.047638]  ? shrink_slab+0x207/0x8c0
[  667.051522]  ? downgrade_write+0x270/0x270
[  667.055773]  shrink_slab+0x389/0x8c0
[  667.059491]  ? shrink_active_list+0x1f00/0x1f00
[  667.064169]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  667.069807]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  667.074928]  ? cgroup_procs_write_finish+0xf0/0xf0
[  667.079857]  ? find_held_lock+0x36/0x1c0
[  667.083923]  shrink_node+0x431/0x16b0
[  667.087747]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  667.093042]  ? shrink_node_memcg+0x18f0/0x18f0
[  667.097628]  ? kvm_clock_read+0x18/0x30
[  667.101601]  ? ktime_get+0x2c1/0x400
[  667.105316]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  667.109832]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  667.115366]  ? __cpuset_node_allowed+0x19b/0x660
[  667.120116]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  667.125873]  ? delayacct_end+0x5a/0x100
[  667.129903]  do_try_to_free_pages+0x3e7/0x1290
[  667.134518]  ? zap_class+0x640/0x640
[  667.138266]  ? shrink_node+0x16b0/0x16b0
[  667.142336]  ? __lock_is_held+0xb5/0x140
[  667.146407]  try_to_free_pages+0x4d0/0xb90
[  667.150643]  ? do_try_to_free_pages+0x1290/0x1290
[  667.155494]  ? lock_acquire+0x1ed/0x520
[  667.159474]  ? set_page_refcounted+0x280/0x280
[  667.164096]  ? lock_release+0xa00/0xa00
[  667.168101]  ? _raw_spin_unlock_irq+0x60/0x80
[  667.172594]  ? psi_memstall_enter+0x240/0x2b0
[  667.177088]  ? psi_memstall_tick+0x230/0x230
[  667.181506]  __alloc_pages_slowpath+0xa48/0x2de0
[  667.186300]  ? warn_alloc+0x120/0x120
[  667.190100]  ? mark_held_locks+0x130/0x130
[  667.194373]  ? find_get_entry+0xaae/0x1120
[  667.198616]  ? filemap_map_pages+0x1a20/0x1a20
[  667.203201]  ? zap_class+0x640/0x640
[  667.206917]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  667.212451]  ? check_preemption_disabled+0x48/0x280
[  667.217472]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  667.223012]  ? should_fail+0x22d/0xd01
[  667.226904]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  667.232022]  ? zap_class+0x640/0x640
[  667.235810]  ? __lock_is_held+0xb5/0x140
[  667.239878]  ? mark_held_locks+0x130/0x130
[  667.244121]  ? lock_release+0xa00/0xa00
[  667.248095]  ? perf_trace_sched_process_exec+0x860/0x860
[  667.253562]  ? xa_load+0x2ba/0x460
[  667.257102]  ? lock_downgrade+0x900/0x900
[  667.261255]  ? __might_sleep+0x95/0x190
[  667.265246]  __alloc_pages_nodemask+0xad8/0xea0
[  667.269928]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  667.274942]  ? __page_cache_alloc+0x191/0x5c0
[  667.279437]  ? xa_load+0x2e1/0x460
[  667.282981]  ? xa_clear_mark+0x40/0x40
[  667.286871]  ? zap_class+0x640/0x640
[  667.290591]  ? zap_class+0x640/0x640
[  667.294312]  ? zap_class+0x640/0x640
[  667.298029]  ? __do_page_cache_readahead+0x663/0x810
[  667.303170]  ? find_held_lock+0x36/0x1c0
[  667.307237]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  667.312778]  alloc_pages_current+0x173/0x350
[  667.317192]  __page_cache_alloc+0x38c/0x5c0
[  667.321512]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  667.326466]  ? kasan_check_read+0x11/0x20
[  667.330611]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  667.335911]  ? generic_perform_write+0x6a0/0x6a0
[  667.340686]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  667.346224]  ? check_preemption_disabled+0x48/0x280
[  667.351243]  filemap_fault+0x1595/0x25f0
[  667.355318]  ? __lock_page_or_retry+0xa00/0xa00
[  667.359998]  ? mark_held_locks+0x130/0x130
[  667.364241]  ? filemap_map_pages+0xd6b/0x1a20
[  667.368746]  ? lock_downgrade+0x900/0x900
[  667.372902]  ? check_preemption_disabled+0x48/0x280
[  667.377929]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  667.382856]  ? kasan_check_read+0x11/0x20
[  667.387003]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  667.392286]  ? rcu_softirq_qs+0x20/0x20
[  667.396281]  ? filemap_map_pages+0xd92/0x1a20
[  667.400789]  ? find_get_entries_tag+0x1400/0x1400
[  667.405662]  ? debug_object_destroy+0x2b0/0x2b0
[  667.410332]  ? lock_pi_update_atomic+0x150/0x150
[  667.415087]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  667.420649]  ? lock_acquire+0x1ed/0x520
[  667.424624]  ? ext4_filemap_fault+0x7a/0xad
[  667.428952]  ? lock_release+0xa00/0xa00
[  667.432927]  ? perf_trace_sched_process_exec+0x860/0x860
[  667.438383]  ? print_usage_bug+0xc0/0xc0
[  667.442445]  ? print_usage_bug+0xc0/0xc0
[  667.446520]  ? down_read+0x8d/0x120
[  667.450162]  ? ext4_filemap_fault+0x7a/0xad
[  667.454484]  ? __down_interruptible+0x700/0x700
[  667.459176]  ext4_filemap_fault+0x82/0xad
[  667.463341]  __do_fault+0x100/0x6b0
[  667.466964]  ? release_sock+0x1ec/0x2c0
[  667.470943]  ? pmd_devmap_trans_unstable+0x220/0x220
[  667.476047]  ? mark_held_locks+0x130/0x130
[  667.480309]  ? mark_held_locks+0x130/0x130
[  667.484549]  ? lock_sock_nested+0x9a/0x120
[  667.488789]  ? __release_sock+0x3a0/0x3a0
[  667.492964]  ? __local_bh_enable_ip+0x160/0x260
[  667.497637]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  667.503179]  __handle_mm_fault+0x3ea0/0x5be0
[  667.507602]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  667.512444]  ? apparmor_socket_sendmsg+0x29/0x30
[  667.517198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  667.522733]  ? security_socket_sendmsg+0x94/0xc0
[  667.527521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  667.533134]  ? zap_class+0x640/0x640
[  667.536850]  ? zap_class+0x640/0x640
[  667.540571]  ? __x64_sys_futex+0x53e/0x6a0
[  667.544813]  ? find_held_lock+0x36/0x1c0
[  667.548893]  ? handle_mm_fault+0x42a/0xc70
[  667.553159]  ? lock_downgrade+0x900/0x900
[  667.557311]  ? check_preemption_disabled+0x48/0x280
[  667.562332]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  667.567262]  ? kasan_check_read+0x11/0x20
[  667.571415]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  667.576693]  ? rcu_softirq_qs+0x20/0x20
[  667.580682]  ? trace_hardirqs_off_caller+0x310/0x310
[  667.585787]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  667.591325]  ? check_preemption_disabled+0x48/0x280
[  667.596352]  handle_mm_fault+0x54f/0xc70
[  667.600416]  ? __handle_mm_fault+0x5be0/0x5be0
[  667.605008]  ? find_vma+0x34/0x190
[  667.608562]  __do_page_fault+0x5e8/0xe60
[  667.612624]  ? trace_hardirqs_off+0xb8/0x310
[  667.617031]  ? __ia32_sys_read+0xb0/0xb0
[  667.621105]  do_page_fault+0xf2/0x7e0
[  667.624910]  ? vmalloc_sync_all+0x30/0x30
[  667.629065]  ? error_entry+0x70/0xd0
[  667.632779]  ? trace_hardirqs_off_caller+0xbb/0x310
[  667.637793]  ? trace_hardirqs_on_caller+0xc0/0x310
[  667.642726]  ? syscall_return_slowpath+0x5e0/0x5e0
[  667.647653]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  667.652496]  ? trace_hardirqs_on_caller+0x310/0x310
[  667.657517]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  667.662993]  ? prepare_exit_to_usermode+0x291/0x3b0
[  667.668013]  ? page_fault+0x8/0x30
[  667.671583]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  667.676460]  ? page_fault+0x8/0x30
[  667.679999]  page_fault+0x1e/0x30
[  667.683453] RIP: 0033:0x45ddf3
[  667.686668] Code: Bad RIP value.
[  667.690031] RSP: 002b:000000c420023ea0 EFLAGS: 00010202
[  667.695395] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
[  667.702660] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  667.709924] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  667.717189] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  667.724467] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
[  667.731774] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304
[  667.731779] warn_alloc_show_mem: 1 callbacks suppressed
[  667.731786] Mem-Info:
[  667.739061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  667.744436] active_anon:59588 inactive_anon:187 isolated_anon:0
[  667.744436]  active_file:13 inactive_file:14 isolated_file:0
[  667.744436]  unevictable:0 dirty:0 writeback:0 unstable:0
[  667.744436]  slab_reclaimable:10147 slab_unreclaimable:1445690
[  667.744436]  mapped:49154 shmem:244 pagetables:690 bounce:0
[  667.744436]  free:13773 free_pcp:174 free_cma:0
[  667.746808] Call Trace:
[  667.756188] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  667.789136]  <IRQ>
[  667.791706] 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
[  667.819299]  dump_stack+0x244/0x39d
[  667.821420] lowmem_reserve[]: 0 2818 6321 6321
[  667.847528]  ? dump_stack_print_info.cold.1+0x20/0x20
[  667.851132] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  667.855714]  warn_alloc.cold.116+0xb7/0x1bd
[  667.860872] lowmem_reserve[]: 0 0 3503 3503
[  667.888383]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  667.892686] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB
[  667.897004]  ? lock_downgrade+0x900/0x900
[  667.901818] lowmem_reserve[]: 0 0 0 0
[  667.930704]  ? trace_hardirqs_off+0xb8/0x310
[  667.934824] 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
[  667.938621]  ? trace_hardirqs_off+0xb8/0x310
[  667.943007] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
[  667.956527]  __alloc_pages_slowpath+0x2651/0x2de0
[  667.960912] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  667.977016]  ? warn_alloc+0x120/0x120
[  667.981825] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  667.995441]  ? warn_alloc+0x120/0x120
[  667.999224] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  668.008052]  ? zap_class+0x640/0x640
[  668.011828] 271 total pagecache pages
[  668.020393]  ? warn_alloc+0x120/0x120
[  668.024090] 0 pages in swap cache
[  668.027889]  ? print_usage_bug+0xc0/0xc0
[  668.031664] Swap cache stats: add 0, delete 0, find 0/0
[  668.035130]  ? print_usage_bug+0xc0/0xc0
[  668.039171] Free swap  = 0kB
[  668.044524]  ? __lock_is_held+0xb5/0x140
[  668.048564] Total swap = 0kB
[  668.051600]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  668.055637] 1965979 pages RAM
[  668.058653]  ? should_fail+0x22d/0xd01
[  668.064172] 0 pages HighMem/MovableOnly
[  668.067309]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  668.071174] 342854 pages reserved
[  668.075142]  ? __lock_acquire+0x62f/0x4c20
[  668.080221] 0 pages cma reserved
[  668.083674]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  668.087962] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  668.091237]  ? __lock_acquire+0x62f/0x4c20
[  668.091254]  ? should_fail+0x22d/0xd01
[  668.096678] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  668.102998]  ? mark_held_locks+0x130/0x130
[  668.107216] syz-fuzzer cpuset=/ mems_allowed=0
[  668.111103]  ? mark_held_locks+0x130/0x130
[  668.134318]  ? try_to_wake_up+0x11c/0x1490
[  668.138571]  ? lock_downgrade+0x900/0x900
[  668.142727]  ? zap_class+0x640/0x640
[  668.146459]  ? print_usage_bug+0xc0/0xc0
[  668.150524]  ? trace_hardirqs_off+0xb8/0x310
[  668.154931]  ? kasan_check_read+0x11/0x20
[  668.159080]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  668.164619]  ? check_preemption_disabled+0x48/0x280
[  668.169647]  ? __lock_is_held+0xb5/0x140
[  668.173732]  __alloc_pages_nodemask+0xad8/0xea0
[  668.178403]  ? zap_class+0x640/0x640
[  668.182127]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  668.187155]  ? find_held_lock+0x36/0x1c0
[  668.191246]  ? ____cache_alloc_node+0x1c7/0x1e0
[  668.195926]  ? lock_downgrade+0x900/0x900
[  668.200081]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  668.205626]  cache_grow_begin+0xa5/0x8c0
[  668.209690]  ? do_raw_spin_unlock+0xa7/0x330
[  668.214105]  fallback_alloc+0x204/0x2e0
[  668.218090]  ____cache_alloc_node+0x1c7/0x1e0
[  668.222595]  kmem_cache_alloc_node+0xe3/0x730
[  668.227094]  ? ipv6_get_ifaddr+0x42e/0x620
[  668.231341]  __alloc_skb+0x119/0x770
[  668.235071]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  668.240367]  ? netdev_alloc_frag+0x1f0/0x1f0
[  668.244776]  ? lock_downgrade+0x900/0x900
[  668.248935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  668.254478]  ? refcount_sub_and_test_checked+0x203/0x310
[  668.259946]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  668.265432]  ? addrconf_rs_timer+0x690/0x690
[  668.269853]  ndisc_alloc_skb+0x144/0x340
[  668.273937]  ndisc_send_rs+0x331/0x6e0
[  668.277863]  addrconf_rs_timer+0x314/0x690
[  668.282105]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  668.286354]  call_timer_fn+0x272/0x920
[  668.290241]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  668.294483]  ? process_timeout+0x40/0x40
[  668.298560]  ? __run_timers+0x7da/0xc70
[  668.302563]  ? _raw_spin_unlock_irq+0x27/0x80
[  668.307072]  ? _raw_spin_unlock_irq+0x27/0x80
[  668.311595]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  668.315833]  ? lockdep_hardirqs_on+0x296/0x5b0
[  668.320416]  ? trace_hardirqs_on+0xbd/0x310
[  668.324737]  ? kasan_check_read+0x11/0x20
[  668.328881]  ? __run_timers+0x7da/0xc70
[  668.332868]  ? trace_hardirqs_off_caller+0x310/0x310
[  668.337985]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  668.342218]  __run_timers+0x7e5/0xc70
[  668.346029]  ? timer_fixup_init+0x70/0x70
[  668.350201]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  668.355220]  ? zap_class+0x640/0x640
[  668.358939]  ? enqueue_hrtimer+0x1a5/0x560
[  668.363177]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  668.368382]  ? find_held_lock+0x36/0x1c0
[  668.372448]  ? zap_class+0x640/0x640
[  668.376168]  ? pvclock_read_flags+0x160/0x160
[  668.380668]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  668.386241]  ? check_preemption_disabled+0x48/0x280
[  668.391313]  ? __lock_is_held+0xb5/0x140
[  668.395375]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  668.400912]  ? check_preemption_disabled+0x48/0x280
[  668.405933]  run_timer_softirq+0x52/0xb0
[  668.409996]  ? rcu_read_lock_sched_held+0x14f/0x180
[  668.415017]  __do_softirq+0x308/0xb7e
[  668.418829]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  668.423356]  ? lock_downgrade+0x900/0x900
[  668.427545]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  668.432659]  ? pvclock_read_flags+0x160/0x160
[  668.437171]  ? lapic_next_event+0x5a/0x90
[  668.441352]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  668.446895]  ? kvm_clock_read+0x18/0x30
[  668.450888]  ? kvm_sched_clock_read+0x9/0x20
[  668.455310]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  668.460849]  ? check_preemption_disabled+0x48/0x280
[  668.465876]  irq_exit+0x17f/0x1c0
[  668.469334]  smp_apic_timer_interrupt+0x1cb/0x760
[  668.474178]  ? smp_reschedule_interrupt+0x109/0x650
[  668.479198]  ? smp_call_function_single_interrupt+0x650/0x650
[  668.485082]  ? interrupt_entry+0xb5/0xc0
[  668.489161]  ? trace_hardirqs_off_caller+0xbb/0x310
[  668.494176]  ? trace_hardirqs_off_caller+0xbb/0x310
[  668.499194]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  668.504042]  ? trace_hardirqs_on_caller+0x310/0x310
[  668.509063]  ? trace_hardirqs_on_caller+0x310/0x310
[  668.514124]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  668.518974]  apic_timer_interrupt+0xf/0x20
[  668.523204]  </IRQ>
[  668.525458] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  668.531347] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
[  668.550249] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  668.557959] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  668.565224] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286
[  668.572489] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000
[  668.579756] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40
[  668.587024] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286
[  668.594351]  ? save_stack+0xa9/0xd0
[  668.598087]  __kmalloc_node_track_caller+0x3c/0x70
[  668.603026]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  668.607790]  pskb_expand_head+0x230/0x10f0
[  668.612030]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  668.617486]  ? memcpy+0x45/0x50
[  668.620767]  ? __copy_skb_header+0x350/0x6b0
[  668.625175]  ? skb_release_data+0x880/0x880
[  668.629494]  ? __alloc_skb+0x770/0x770
[  668.633403]  ? __lock_is_held+0xb5/0x140
[  668.637472]  ? kasan_check_write+0x14/0x20
[  668.641708]  ? __skb_clone+0x6c7/0xa00
[  668.645604]  ? __copy_skb_header+0x6b0/0x6b0
[  668.650016]  ? kmem_cache_alloc+0x33a/0x730
[  668.654346]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  668.659896]  skb_ensure_writable+0x3dd/0x640
[  668.664320]  ? skb_checksum_setup+0xaa0/0xaa0
[  668.668819]  ? preempt_notifier_register+0x200/0x200
[  668.673920]  ? __switch_to_asm+0x34/0x70
[  668.677979]  ? __switch_to_asm+0x34/0x70
[  668.682044]  ? __switch_to_asm+0x40/0x70
[  668.686104]  ? __switch_to_asm+0x34/0x70
[  668.690160]  ? __switch_to_asm+0x40/0x70
[  668.694216]  ? __switch_to_asm+0x40/0x70
[  668.698282]  ? __switch_to_asm+0x34/0x70
[  668.702346]  ? __switch_to_asm+0x34/0x70
[  668.706405]  ? __switch_to_asm+0x40/0x70
[  668.710462]  ? __switch_to_asm+0x34/0x70
[  668.714532]  bpf_clone_redirect+0x14a/0x490
[  668.718864]  bpf_prog_12ab75334035c288+0xfcd/0x1000
[  668.723891]  ? __sched_text_start+0x8/0x8
[  668.728069]  ? retint_kernel+0x2d/0x2d
[  668.731969]  ? find_held_lock+0x36/0x1c0
[  668.736044]  ? lock_acquire+0x1ed/0x520
[  668.740022]  ? bpf_test_run+0x3cb/0x780
[  668.744003]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  668.749547]  ? check_preemption_disabled+0x48/0x280
[  668.754570]  ? kasan_check_read+0x11/0x20
[  668.758738]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  668.764014]  ? rcu_softirq_qs+0x20/0x20
[  668.767995]  ? preempt_schedule+0x4d/0x60
[  668.772157]  ? ___preempt_schedule+0x16/0x18
[  668.776605]  ? bpf_test_run+0x25d/0x780
[  668.780607]  ? netlink_diag_dump+0x2a0/0x2a0
[  668.785021]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  668.790583]  ? bpf_test_init.isra.10+0x70/0x100
[  668.795325]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  668.800093]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  668.804934]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  668.810474]  ? fput+0x130/0x1a0
[  668.813788]  ? __bpf_prog_get+0x9b/0x290
[  668.817872]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  668.822735]  ? bpf_prog_test_run+0x130/0x1a0
[  668.827146]  ? __x64_sys_bpf+0x3d8/0x520
[  668.831209]  ? bpf_prog_get+0x20/0x20
[  668.835030]  ? do_syscall_64+0x1b9/0x820
[  668.839103]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  668.844473]  ? syscall_return_slowpath+0x5e0/0x5e0
[  668.849406]  ? trace_hardirqs_on_caller+0x310/0x310
[  668.854427]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  668.859445]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  668.866111]  ? __switch_to_asm+0x40/0x70
[  668.870173]  ? __switch_to_asm+0x34/0x70
[  668.874240]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  668.879097]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  668.884518] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
[  668.884590] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  668.891535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  668.898196] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  668.907395] Call Trace:
[  668.917870] syz-executor3 cpuset=syz3 mems_allowed=0
[  668.920438]  <IRQ>
[  668.927693]  dump_stack+0x244/0x39d
[  668.931344]  ? dump_stack_print_info.cold.1+0x20/0x20
[  668.936553]  warn_alloc.cold.116+0xb7/0x1bd
[  668.940894]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  668.945741]  ? lock_downgrade+0x900/0x900
[  668.949914]  ? trace_hardirqs_off+0xb8/0x310
[  668.954334]  ? trace_hardirqs_off+0xb8/0x310
[  668.958752]  __alloc_pages_slowpath+0x2651/0x2de0
[  668.963627]  ? warn_alloc+0x120/0x120
[  668.967430]  ? print_usage_bug+0xc0/0xc0
[  668.971497]  ? warn_alloc+0x120/0x120
[  668.975328]  ? warn_alloc+0x120/0x120
[  668.979134]  ? print_usage_bug+0xc0/0xc0
[  668.983206]  ? print_usage_bug+0xc0/0xc0
[  668.987269]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  668.992340]  ? print_usage_bug+0xc0/0xc0
[  668.996421]  ? __lock_acquire+0x62f/0x4c20
[  669.000666]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  669.006205]  ? should_fail+0x22d/0xd01
[  669.010113]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  669.015218]  ? __lock_acquire+0x62f/0x4c20
[  669.019458]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  669.024566]  ? __lock_acquire+0x62f/0x4c20
[  669.028799]  ? should_fail+0x22d/0xd01
[  669.032697]  ? mark_held_locks+0x130/0x130
[  669.036956]  ? mark_held_locks+0x130/0x130
[  669.041205]  ? zap_class+0x640/0x640
[  669.044918]  ? print_usage_bug+0xc0/0xc0
[  669.049001]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  669.054549]  ? check_preemption_disabled+0x48/0x280
[  669.059582]  ? __lock_is_held+0xb5/0x140
[  669.063694]  __alloc_pages_nodemask+0xad8/0xea0
[  669.068381]  ? zap_class+0x640/0x640
[  669.072099]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  669.077125]  ? find_held_lock+0x36/0x1c0
[  669.081213]  ? ____cache_alloc_node+0x1c7/0x1e0
[  669.085885]  ? lock_downgrade+0x900/0x900
[  669.090045]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  669.095586]  cache_grow_begin+0xa5/0x8c0
[  669.099645]  ? do_raw_spin_unlock+0xa7/0x330
[  669.104073]  fallback_alloc+0x204/0x2e0
[  669.108052]  ____cache_alloc_node+0x1c7/0x1e0
[  669.112570]  kmem_cache_alloc_node+0xe3/0x730
[  669.117066]  ? ipv6_get_ifaddr+0x42e/0x620
[  669.121317]  __alloc_skb+0x119/0x770
[  669.125029]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  669.130314]  ? netdev_alloc_frag+0x1f0/0x1f0
[  669.134723]  ? lock_downgrade+0x900/0x900
[  669.138878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  669.144412]  ? refcount_sub_and_test_checked+0x203/0x310
[  669.149864]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  669.155318]  ? addrconf_rs_timer+0x690/0x690
[  669.159744]  ndisc_alloc_skb+0x144/0x340
[  669.163814]  ndisc_send_rs+0x331/0x6e0
[  669.167724]  addrconf_rs_timer+0x314/0x690
[  669.171969]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  669.176217]  call_timer_fn+0x272/0x920
[  669.180106]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  669.184337]  ? process_timeout+0x40/0x40
[  669.188414]  ? mark_held_locks+0xc7/0x130
[  669.192572]  ? _raw_spin_unlock_irq+0x27/0x80
[  669.197081]  ? _raw_spin_unlock_irq+0x27/0x80
[  669.201576]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  669.205812]  ? lockdep_hardirqs_on+0x296/0x5b0
[  669.210396]  ? trace_hardirqs_on+0xbd/0x310
[  669.214715]  ? kasan_check_read+0x11/0x20
[  669.218860]  ? __run_timers+0x7da/0xc70
[  669.222851]  ? trace_hardirqs_off_caller+0x310/0x310
[  669.227966]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  669.232200]  __run_timers+0x7e5/0xc70
[  669.236024]  ? timer_fixup_init+0x70/0x70
[  669.240196]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  669.245221]  ? zap_class+0x640/0x640
[  669.248943]  ? print_usage_bug+0xc0/0xc0
[  669.253008]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  669.258205]  ? find_held_lock+0x36/0x1c0
[  669.262299]  ? zap_class+0x640/0x640
[  669.266021]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  669.271568]  ? check_preemption_disabled+0x48/0x280
[  669.276602]  ? __lock_is_held+0xb5/0x140
[  669.280665]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  669.286204]  ? check_preemption_disabled+0x48/0x280
[  669.291239]  run_timer_softirq+0x52/0xb0
[  669.295303]  ? rcu_read_lock_sched_held+0x14f/0x180
[  669.300324]  __do_softirq+0x308/0xb7e
[  669.304131]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  669.308625]  ? lock_downgrade+0x900/0x900
[  669.312776]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  669.317932]  ? pvclock_read_flags+0x160/0x160
[  669.322447]  ? lapic_next_event+0x5a/0x90
[  669.326597]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  669.332139]  ? kvm_clock_read+0x18/0x30
[  669.336127]  ? kvm_sched_clock_read+0x9/0x20
[  669.340542]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  669.346086]  ? check_preemption_disabled+0x48/0x280
[  669.351112]  irq_exit+0x17f/0x1c0
[  669.354573]  smp_apic_timer_interrupt+0x1cb/0x760
[  669.359413]  ? smp_call_function_single_interrupt+0x159/0x650
[  669.365304]  ? smp_call_function_single_interrupt+0x650/0x650
[  669.371215]  ? interrupt_entry+0xb5/0xc0
[  669.375287]  ? trace_hardirqs_off_caller+0xbb/0x310
[  669.380307]  ? trace_hardirqs_off_caller+0xbb/0x310
[  669.385326]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  669.390167]  ? trace_hardirqs_on_caller+0x310/0x310
[  669.395180]  ? trace_hardirqs_on_caller+0x310/0x310
[  669.400197]  ? task_prio+0x50/0x50
[  669.403737]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  669.409274]  ? check_preemption_disabled+0x48/0x280
[  669.414326]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  669.419191]  apic_timer_interrupt+0xf/0x20
[  669.423420]  </IRQ>
[  669.425659] RIP: 0010:rcu_is_watching+0x0/0x30
[  669.430241] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
[  669.449143] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  669.456869] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
[  669.464135] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
[  669.471425] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
[  669.478692] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
[  669.485962] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  669.493248]  ? list_lru_count_one+0x253/0x450
[  669.497778]  ? list_lru_count_one+0x35d/0x450
[  669.502290]  ? list_lru_count_one+0x362/0x450
[  669.506788]  ? list_lru_isolate_move+0x3c0/0x3c0
[  669.511549]  ? shmem_free_inode+0xd0/0xd0
[  669.515700]  ? __lock_is_held+0xb5/0x140
[  669.519770]  super_cache_count+0x1b9/0x2e0
[  669.524010]  do_shrink_slab+0x1b1/0xd30
[  669.528018]  ? snapshot_refaults+0x290/0x290
[  669.532435]  ? lock_release+0xa00/0xa00
[  669.536417]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  669.541358]  ? down_read_trylock+0xda/0x140
[  669.545681]  ? shrink_slab+0x207/0x8c0
[  669.549572]  ? downgrade_write+0x270/0x270
[  669.553820]  shrink_slab+0x389/0x8c0
[  669.557541]  ? shrink_active_list+0x1f00/0x1f00
[  669.562220]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  669.567867]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  669.572980]  ? cgroup_procs_write_finish+0xf0/0xf0
[  669.577920]  ? find_held_lock+0x36/0x1c0
[  669.581992]  shrink_node+0x431/0x16b0
[  669.585797]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  669.591101]  ? shrink_node_memcg+0x18f0/0x18f0
[  669.595692]  ? kvm_clock_read+0x18/0x30
[  669.599669]  ? ktime_get+0x2c1/0x400
[  669.603392]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  669.607891]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  669.613428]  ? __cpuset_node_allowed+0x19b/0x660
[  669.618188]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  669.623902]  ? delayacct_end+0x5a/0x100
[  669.627886]  do_try_to_free_pages+0x3e7/0x1290
[  669.632470]  ? zap_class+0x640/0x640
[  669.636200]  ? shrink_node+0x16b0/0x16b0
[  669.640284]  ? __lock_is_held+0xb5/0x140
[  669.644371]  try_to_free_pages+0x4d0/0xb90
[  669.648634]  ? do_try_to_free_pages+0x1290/0x1290
[  669.653532]  ? lock_acquire+0x1ed/0x520
[  669.657516]  ? set_page_refcounted+0x280/0x280
[  669.662158]  ? lock_release+0xa00/0xa00
[  669.666131]  ? _raw_spin_unlock_irq+0x60/0x80
[  669.670630]  ? psi_memstall_enter+0x240/0x2b0
[  669.675141]  ? psi_memstall_tick+0x230/0x230
[  669.679567]  __alloc_pages_slowpath+0xa48/0x2de0
[  669.684356]  ? warn_alloc+0x120/0x120
[  669.688157]  ? mark_held_locks+0x130/0x130
[  669.692407]  ? find_get_entry+0xaae/0x1120
[  669.696672]  ? filemap_map_pages+0x1a20/0x1a20
[  669.701267]  ? zap_class+0x640/0x640
[  669.704993]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  669.710535]  ? check_preemption_disabled+0x48/0x280
[  669.715579]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  669.721117]  ? should_fail+0x22d/0xd01
[  669.725012]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  669.730114]  ? zap_class+0x640/0x640
[  669.733850]  ? __lock_is_held+0xb5/0x140
[  669.737919]  ? mark_held_locks+0x130/0x130
[  669.742190]  ? lock_release+0xa00/0xa00
[  669.746189]  ? perf_trace_sched_process_exec+0x860/0x860
[  669.751636]  ? xa_load+0x2ba/0x460
[  669.755177]  ? lock_downgrade+0x900/0x900
[  669.759327]  ? __might_sleep+0x95/0x190
[  669.763314]  __alloc_pages_nodemask+0xad8/0xea0
[  669.767987]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  669.773002]  ? __page_cache_alloc+0x191/0x5c0
[  669.777488]  ? xa_load+0x2e1/0x460
[  669.781021]  ? xa_clear_mark+0x40/0x40
[  669.784915]  ? zap_class+0x640/0x640
[  669.788630]  ? zap_class+0x640/0x640
[  669.792342]  ? zap_class+0x640/0x640
[  669.796050]  ? __do_page_cache_readahead+0x663/0x810
[  669.801156]  ? find_held_lock+0x36/0x1c0
[  669.805221]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  669.810793]  alloc_pages_current+0x173/0x350
[  669.815223]  __page_cache_alloc+0x38c/0x5c0
[  669.819560]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  669.824488]  ? kasan_check_read+0x11/0x20
[  669.828632]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  669.833905]  ? generic_perform_write+0x6a0/0x6a0
[  669.838659]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  669.844196]  ? check_preemption_disabled+0x48/0x280
[  669.849216]  filemap_fault+0x1595/0x25f0
[  669.853293]  ? __lock_page_or_retry+0xa00/0xa00
[  669.857964]  ? mark_held_locks+0x130/0x130
[  669.862236]  ? filemap_map_pages+0xd6b/0x1a20
[  669.866785]  ? lock_downgrade+0x900/0x900
[  669.870926]  ? check_preemption_disabled+0x48/0x280
[  669.875965]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  669.880885]  ? kasan_check_read+0x11/0x20
[  669.885025]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  669.890300]  ? rcu_softirq_qs+0x20/0x20
[  669.894293]  ? filemap_map_pages+0xd92/0x1a20
[  669.898819]  ? find_get_entries_tag+0x1400/0x1400
[  669.903666]  ? debug_object_destroy+0x2b0/0x2b0
[  669.908348]  ? lock_pi_update_atomic+0x150/0x150
[  669.913099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  669.918655]  ? lock_acquire+0x1ed/0x520
[  669.922626]  ? ext4_filemap_fault+0x7a/0xad
[  669.926954]  ? lock_release+0xa00/0xa00
[  669.930929]  ? perf_trace_sched_process_exec+0x860/0x860
[  669.936383]  ? print_usage_bug+0xc0/0xc0
[  669.940503]  ? print_usage_bug+0xc0/0xc0
[  669.944607]  ? down_read+0x8d/0x120
[  669.948245]  ? ext4_filemap_fault+0x7a/0xad
[  669.952566]  ? __down_interruptible+0x700/0x700
[  669.957240]  ext4_filemap_fault+0x82/0xad
[  669.961409]  __do_fault+0x100/0x6b0
[  669.965292]  ? release_sock+0x1ec/0x2c0
[  669.969269]  ? pmd_devmap_trans_unstable+0x220/0x220
[  669.974379]  ? mark_held_locks+0x130/0x130
[  669.978607]  ? mark_held_locks+0x130/0x130
[  669.982835]  ? lock_sock_nested+0x9a/0x120
[  669.987062]  ? __release_sock+0x3a0/0x3a0
[  669.991210]  ? __local_bh_enable_ip+0x160/0x260
[  669.995896]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  670.001441]  __handle_mm_fault+0x3ea0/0x5be0
[  670.005866]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  670.010711]  ? apparmor_socket_sendmsg+0x29/0x30
[  670.015465]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.021040]  ? security_socket_sendmsg+0x94/0xc0
[  670.025824]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.031386]  ? zap_class+0x640/0x640
[  670.035100]  ? zap_class+0x640/0x640
[  670.038811]  ? __x64_sys_futex+0x53e/0x6a0
[  670.043059]  ? find_held_lock+0x36/0x1c0
[  670.047126]  ? handle_mm_fault+0x42a/0xc70
[  670.051364]  ? lock_downgrade+0x900/0x900
[  670.055523]  ? check_preemption_disabled+0x48/0x280
[  670.060560]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  670.065493]  ? kasan_check_read+0x11/0x20
[  670.069639]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  670.074927]  ? rcu_softirq_qs+0x20/0x20
[  670.078903]  ? trace_hardirqs_off_caller+0x310/0x310
[  670.084023]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  670.089582]  ? check_preemption_disabled+0x48/0x280
[  670.094771]  handle_mm_fault+0x54f/0xc70
[  670.098835]  ? __handle_mm_fault+0x5be0/0x5be0
[  670.103423]  ? find_vma+0x34/0x190
[  670.106971]  __do_page_fault+0x5e8/0xe60
[  670.111033]  ? trace_hardirqs_off+0xb8/0x310
[  670.115441]  ? __ia32_sys_read+0xb0/0xb0
[  670.119508]  do_page_fault+0xf2/0x7e0
[  670.123402]  ? vmalloc_sync_all+0x30/0x30
[  670.127559]  ? error_entry+0x70/0xd0
[  670.131282]  ? trace_hardirqs_off_caller+0xbb/0x310
[  670.136304]  ? trace_hardirqs_on_caller+0xc0/0x310
[  670.141249]  ? syscall_return_slowpath+0x5e0/0x5e0
[  670.146225]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  670.151068]  ? trace_hardirqs_on_caller+0x310/0x310
[  670.156085]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  670.161561]  ? prepare_exit_to_usermode+0x291/0x3b0
[  670.166577]  ? page_fault+0x8/0x30
[  670.170133]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  670.174971]  ? page_fault+0x8/0x30
[  670.178508]  page_fault+0x1e/0x30
[  670.181960] RIP: 0033:0x45ddf3
[  670.185165] Code: Bad RIP value.
[  670.188532] RSP: 002b:000000c420023ea0 EFLAGS: 00010202
[  670.193916] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
[  670.201192] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  670.208472] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  670.215737] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  670.223002] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
[  670.230311] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304
[  670.230316] warn_alloc_show_mem: 1 callbacks suppressed
[  670.230324] Mem-Info:
[  670.237594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  670.242972] active_anon:59588 inactive_anon:187 isolated_anon:0
[  670.242972]  active_file:13 inactive_file:14 isolated_file:0
[  670.242972]  unevictable:0 dirty:0 writeback:0 unstable:0
[  670.242972]  slab_reclaimable:10147 slab_unreclaimable:1445690
[  670.242972]  mapped:49154 shmem:244 pagetables:690 bounce:0
[  670.242972]  free:13773 free_pcp:174 free_cma:0
[  670.245343] Call Trace:
[  670.254748] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  670.287678]  <IRQ>
[  670.290250] 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
[  670.317746]  dump_stack+0x244/0x39d
[  670.319873] lowmem_reserve[]: 0 2818 6321 6321
[  670.346020]  ? dump_stack_print_info.cold.1+0x20/0x20
[  670.349633] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  670.354214]  warn_alloc.cold.116+0xb7/0x1bd
[  670.359387] lowmem_reserve[]: 0 0 3503 3503
[  670.386895]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  670.391193] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB
[  670.395506]  ? lock_downgrade+0x900/0x900
[  670.400320] lowmem_reserve[]: 0 0 0 0
[  670.429221]  ? trace_hardirqs_off+0xb8/0x310
[  670.433340] 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
[  670.437134]  ? trace_hardirqs_off+0xb8/0x310
[  670.441518] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
[  670.455087]  __alloc_pages_slowpath+0x2651/0x2de0
[  670.459463] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  670.475450]  ? warn_alloc+0x120/0x120
[  670.480269] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  670.493873]  ? print_usage_bug+0xc0/0xc0
[  670.497651] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  670.506473]  ? warn_alloc+0x120/0x120
[  670.510511] 271 total pagecache pages
[  670.519099]  ? warn_alloc+0x120/0x120
[  670.522879] 0 pages in swap cache
[  670.526677]  ? print_usage_bug+0xc0/0xc0
[  670.530464] Swap cache stats: add 0, delete 0, find 0/0
[  670.533912]  ? kvm_clock_read+0x18/0x30
[  670.537951] Free swap  = 0kB
[  670.543327]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  670.547284] Total swap = 0kB
[  670.550300]  ? print_usage_bug+0xc0/0xc0
[  670.555301] 1965979 pages RAM
[  670.558316]  ? __lock_acquire+0x62f/0x4c20
[  670.562364] 0 pages HighMem/MovableOnly
[  670.565483]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  670.569696] 342854 pages reserved
[  670.573665]  ? should_fail+0x22d/0xd01
[  670.579189] 0 pages cma reserved
[  670.582646]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  670.586590] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  670.589864]  ? __lock_acquire+0x62f/0x4c20
[  670.595066] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  670.601465]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  670.605677] syz-fuzzer cpuset=/ mems_allowed=0
[  670.615900]  ? __lock_acquire+0x62f/0x4c20
[  670.629765]  ? should_fail+0x22d/0xd01
[  670.633667]  ? mark_held_locks+0x130/0x130
[  670.637916]  ? mark_held_locks+0x130/0x130
[  670.642160]  ? zap_class+0x640/0x640
[  670.645874]  ? print_usage_bug+0xc0/0xc0
[  670.649968]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.655507]  ? check_preemption_disabled+0x48/0x280
[  670.660537]  ? __lock_is_held+0xb5/0x140
[  670.664607]  __alloc_pages_nodemask+0xad8/0xea0
[  670.669285]  ? zap_class+0x640/0x640
[  670.673011]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  670.678064]  ? find_held_lock+0x36/0x1c0
[  670.682151]  ? ____cache_alloc_node+0x1c7/0x1e0
[  670.686836]  ? lock_downgrade+0x900/0x900
[  670.690993]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.696536]  cache_grow_begin+0xa5/0x8c0
[  670.700604]  ? do_raw_spin_unlock+0xa7/0x330
[  670.705019]  fallback_alloc+0x204/0x2e0
[  670.709005]  ____cache_alloc_node+0x1c7/0x1e0
[  670.713519]  kmem_cache_alloc_node+0xe3/0x730
[  670.718020]  ? ipv6_get_ifaddr+0x42e/0x620
[  670.722269]  __alloc_skb+0x119/0x770
[  670.726032]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  670.731319]  ? netdev_alloc_frag+0x1f0/0x1f0
[  670.735735]  ? lock_downgrade+0x900/0x900
[  670.739890]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.745426]  ? refcount_sub_and_test_checked+0x203/0x310
[  670.750878]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  670.756325]  ? addrconf_rs_timer+0x690/0x690
[  670.760746]  ndisc_alloc_skb+0x144/0x340
[  670.764810]  ndisc_send_rs+0x331/0x6e0
[  670.768715]  addrconf_rs_timer+0x314/0x690
[  670.772952]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  670.777192]  call_timer_fn+0x272/0x920
[  670.781105]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  670.785335]  ? process_timeout+0x40/0x40
[  670.789400]  ? __run_timers+0x7da/0xc70
[  670.793371]  ? _raw_spin_unlock_irq+0x27/0x80
[  670.797864]  ? _raw_spin_unlock_irq+0x27/0x80
[  670.802353]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  670.806597]  ? lockdep_hardirqs_on+0x296/0x5b0
[  670.811192]  ? trace_hardirqs_on+0xbd/0x310
[  670.815517]  ? kasan_check_read+0x11/0x20
[  670.819663]  ? __run_timers+0x7da/0xc70
[  670.823638]  ? trace_hardirqs_off_caller+0x310/0x310
[  670.828778]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  670.833010]  __run_timers+0x7e5/0xc70
[  670.836819]  ? timer_fixup_init+0x70/0x70
[  670.840966]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  670.845980]  ? zap_class+0x640/0x640
[  670.849697]  ? enqueue_hrtimer+0x1a5/0x560
[  670.853933]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  670.859129]  ? find_held_lock+0x36/0x1c0
[  670.863198]  ? zap_class+0x640/0x640
[  670.866915]  ? pvclock_read_flags+0x160/0x160
[  670.871410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.876955]  ? check_preemption_disabled+0x48/0x280
[  670.881998]  ? __lock_is_held+0xb5/0x140
[  670.886084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.891625]  ? check_preemption_disabled+0x48/0x280
[  670.896663]  run_timer_softirq+0x52/0xb0
[  670.900723]  ? rcu_read_lock_sched_held+0x14f/0x180
[  670.905741]  __do_softirq+0x308/0xb7e
[  670.909543]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  670.914034]  ? lock_downgrade+0x900/0x900
[  670.918188]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  670.923325]  ? pvclock_read_flags+0x160/0x160
[  670.927824]  ? lapic_next_event+0x5a/0x90
[  670.931969]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.937536]  ? kvm_clock_read+0x18/0x30
[  670.941536]  ? kvm_sched_clock_read+0x9/0x20
[  670.945947]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.951485]  ? check_preemption_disabled+0x48/0x280
[  670.956507]  irq_exit+0x17f/0x1c0
[  670.959956]  smp_apic_timer_interrupt+0x1cb/0x760
[  670.964809]  ? smp_reschedule_interrupt+0x109/0x650
[  670.969854]  ? smp_call_function_single_interrupt+0x650/0x650
[  670.975737]  ? interrupt_entry+0xb5/0xc0
[  670.979819]  ? trace_hardirqs_off_caller+0xbb/0x310
[  670.984849]  ? trace_hardirqs_off_caller+0xbb/0x310
[  670.989879]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  670.994722]  ? trace_hardirqs_on_caller+0x310/0x310
[  670.999736]  ? trace_hardirqs_on_caller+0x310/0x310
[  671.004792]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  671.009647]  apic_timer_interrupt+0xf/0x20
[  671.013875]  </IRQ>
[  671.016116] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  671.022003] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
[  671.040906] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  671.048617] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  671.055885] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286
[  671.063151] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000
[  671.070420] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40
[  671.077686] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286
[  671.084985]  ? save_stack+0xa9/0xd0
[  671.088623]  __kmalloc_node_track_caller+0x3c/0x70
[  671.093567]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  671.098862]  pskb_expand_head+0x230/0x10f0
[  671.103102]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  671.108558]  ? memcpy+0x45/0x50
[  671.111878]  ? __copy_skb_header+0x350/0x6b0
[  671.116286]  ? skb_release_data+0x880/0x880
[  671.120625]  ? __alloc_skb+0x770/0x770
[  671.124552]  ? __lock_is_held+0xb5/0x140
[  671.128648]  ? kasan_check_write+0x14/0x20
[  671.132877]  ? __skb_clone+0x6c7/0xa00
[  671.136766]  ? __copy_skb_header+0x6b0/0x6b0
[  671.141171]  ? kmem_cache_alloc+0x33a/0x730
[  671.145494]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  671.151035]  skb_ensure_writable+0x3dd/0x640
[  671.155464]  ? skb_checksum_setup+0xaa0/0xaa0
[  671.160006]  ? preempt_notifier_register+0x200/0x200
[  671.165110]  ? __switch_to_asm+0x34/0x70
[  671.169184]  ? __switch_to_asm+0x34/0x70
[  671.173238]  ? __switch_to_asm+0x40/0x70
[  671.177297]  ? __switch_to_asm+0x34/0x70
[  671.181355]  ? __switch_to_asm+0x40/0x70
[  671.185415]  ? __switch_to_asm+0x40/0x70
[  671.189475]  ? __switch_to_asm+0x34/0x70
[  671.193534]  ? __switch_to_asm+0x34/0x70
[  671.197589]  ? __switch_to_asm+0x40/0x70
[  671.201660]  ? __switch_to_asm+0x34/0x70
[  671.205728]  bpf_clone_redirect+0x14a/0x490
[  671.210064]  bpf_prog_12ab75334035c288+0xfcd/0x1000
[  671.215083]  ? __sched_text_start+0x8/0x8
[  671.219248]  ? retint_kernel+0x2d/0x2d
[  671.223152]  ? find_held_lock+0x36/0x1c0
[  671.227221]  ? lock_acquire+0x1ed/0x520
[  671.231201]  ? bpf_test_run+0x3cb/0x780
[  671.235198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  671.240738]  ? check_preemption_disabled+0x48/0x280
[  671.245764]  ? kasan_check_read+0x11/0x20
[  671.249913]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  671.255189]  ? rcu_softirq_qs+0x20/0x20
[  671.259162]  ? preempt_schedule+0x4d/0x60
[  671.263312]  ? ___preempt_schedule+0x16/0x18
[  671.267799]  ? bpf_test_run+0x25d/0x780
[  671.271797]  ? netlink_diag_dump+0x2a0/0x2a0
[  671.276211]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  671.281749]  ? bpf_test_init.isra.10+0x70/0x100
[  671.286422]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  671.291200]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  671.296044]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  671.301595]  ? fput+0x130/0x1a0
[  671.304875]  ? __bpf_prog_get+0x9b/0x290
[  671.308938]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  671.313781]  ? bpf_prog_test_run+0x130/0x1a0
[  671.318207]  ? __x64_sys_bpf+0x3d8/0x520
[  671.322285]  ? bpf_prog_get+0x20/0x20
[  671.326124]  ? do_syscall_64+0x1b9/0x820
[  671.330182]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  671.335552]  ? syscall_return_slowpath+0x5e0/0x5e0
[  671.340488]  ? trace_hardirqs_on_caller+0x310/0x310
[  671.345521]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  671.350539]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  671.357206]  ? __switch_to_asm+0x40/0x70
[  671.361274]  ? __switch_to_asm+0x34/0x70
[  671.365344]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  671.370233]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  671.375613] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
[  671.375681] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  671.382623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  671.382632] Call Trace:
[  671.389227] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  671.398471]  <IRQ>
[  671.401043] syz-executor3 cpuset=syz3 mems_allowed=0
[  671.411521]  dump_stack+0x244/0x39d
[  671.422406]  ? dump_stack_print_info.cold.1+0x20/0x20
[  671.427610]  warn_alloc.cold.116+0xb7/0x1bd
[  671.431930]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  671.436776]  ? lock_downgrade+0x900/0x900
[  671.440932]  ? trace_hardirqs_off+0xb8/0x310
[  671.445349]  ? trace_hardirqs_off+0xb8/0x310
[  671.449769]  __alloc_pages_slowpath+0x2651/0x2de0
[  671.454656]  ? warn_alloc+0x120/0x120
[  671.458457]  ? print_usage_bug+0xc0/0xc0
[  671.462523]  ? warn_alloc+0x120/0x120
[  671.466350]  ? warn_alloc+0x120/0x120
[  671.470155]  ? print_usage_bug+0xc0/0xc0
[  671.474215]  ? kvm_clock_read+0x18/0x30
[  671.478186]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  671.483203]  ? print_usage_bug+0xc0/0xc0
[  671.487269]  ? __lock_acquire+0x62f/0x4c20
[  671.491517]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  671.497059]  ? should_fail+0x22d/0xd01
[  671.500946]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  671.506230]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  671.511333]  ? __lock_acquire+0x62f/0x4c20
[  671.515577]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  671.520686]  ? __lock_acquire+0x62f/0x4c20
[  671.524950]  ? should_fail+0x22d/0xd01
[  671.528864]  ? rcu_irq_exit+0x1a2/0x390
[  671.532866]  ? mark_held_locks+0x130/0x130
[  671.537112]  ? mark_held_locks+0x130/0x130
[  671.541352]  ? mark_held_locks+0xc7/0x130
[  671.545496]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  671.550514]  ? zap_class+0x640/0x640
[  671.554230]  ? print_usage_bug+0xc0/0xc0
[  671.558302]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  671.563841]  ? check_preemption_disabled+0x48/0x280
[  671.568867]  ? __lock_is_held+0xb5/0x140
[  671.572937]  __alloc_pages_nodemask+0xad8/0xea0
[  671.577612]  ? zap_class+0x640/0x640
[  671.581334]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  671.586363]  ? find_held_lock+0x36/0x1c0
[  671.590437]  ? ____cache_alloc_node+0x1c7/0x1e0
[  671.595109]  ? lock_downgrade+0x900/0x900
[  671.599294]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  671.604841]  cache_grow_begin+0xa5/0x8c0
[  671.608902]  ? do_raw_spin_unlock+0xa7/0x330
[  671.613319]  fallback_alloc+0x204/0x2e0
[  671.617304]  ____cache_alloc_node+0x1c7/0x1e0
[  671.621806]  kmem_cache_alloc_node+0xe3/0x730
[  671.626312]  ? ipv6_get_ifaddr+0x42e/0x620
[  671.630564]  __alloc_skb+0x119/0x770
[  671.634287]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  671.639574]  ? netdev_alloc_frag+0x1f0/0x1f0
[  671.643984]  ? lock_downgrade+0x900/0x900
[  671.648186]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  671.653751]  ? refcount_sub_and_test_checked+0x203/0x310
[  671.659205]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  671.664653]  ? addrconf_rs_timer+0x690/0x690
[  671.669073]  ndisc_alloc_skb+0x144/0x340
[  671.673167]  ndisc_send_rs+0x331/0x6e0
[  671.677083]  addrconf_rs_timer+0x314/0x690
[  671.681322]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  671.685586]  call_timer_fn+0x272/0x920
[  671.689473]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  671.693708]  ? process_timeout+0x40/0x40
[  671.697784]  ? mark_held_locks+0xc7/0x130
[  671.701938]  ? _raw_spin_unlock_irq+0x27/0x80
[  671.706435]  ? _raw_spin_unlock_irq+0x27/0x80
[  671.710928]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  671.715162]  ? lockdep_hardirqs_on+0x296/0x5b0
[  671.719747]  ? trace_hardirqs_on+0xbd/0x310
[  671.724068]  ? kasan_check_read+0x11/0x20
[  671.728217]  ? __run_timers+0x7da/0xc70
[  671.732196]  ? trace_hardirqs_off_caller+0x310/0x310
[  671.737330]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  671.741577]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  671.745809]  __run_timers+0x7e5/0xc70
[  671.749633]  ? timer_fixup_init+0x70/0x70
[  671.753783]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  671.758800]  ? zap_class+0x640/0x640
[  671.762517]  ? print_usage_bug+0xc0/0xc0
[  671.766584]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  671.771778]  ? find_held_lock+0x36/0x1c0
[  671.775846]  ? zap_class+0x640/0x640
[  671.779570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  671.785111]  ? check_preemption_disabled+0x48/0x280
[  671.790137]  ? __lock_is_held+0xb5/0x140
[  671.794202]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  671.799740]  ? check_preemption_disabled+0x48/0x280
[  671.804764]  run_timer_softirq+0x52/0xb0
[  671.808828]  ? rcu_read_lock_sched_held+0x14f/0x180
[  671.813849]  __do_softirq+0x308/0xb7e
[  671.817679]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  671.822169]  ? lock_downgrade+0x900/0x900
[  671.826325]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  671.831438]  ? pvclock_read_flags+0x160/0x160
[  671.835939]  ? lapic_next_event+0x5a/0x90
[  671.840090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  671.845634]  ? kvm_clock_read+0x18/0x30
[  671.849671]  ? kvm_sched_clock_read+0x9/0x20
[  671.854081]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  671.859624]  ? check_preemption_disabled+0x48/0x280
[  671.864650]  irq_exit+0x17f/0x1c0
[  671.868106]  smp_apic_timer_interrupt+0x1cb/0x760
[  671.872951]  ? smp_call_function_single_interrupt+0x159/0x650
[  671.878850]  ? smp_call_function_single_interrupt+0x650/0x650
[  671.884731]  ? interrupt_entry+0xb5/0xc0
[  671.888809]  ? trace_hardirqs_off_caller+0xbb/0x310
[  671.893824]  ? trace_hardirqs_off_caller+0xbb/0x310
[  671.898844]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  671.903691]  ? trace_hardirqs_on_caller+0x310/0x310
[  671.908708]  ? trace_hardirqs_on_caller+0x310/0x310
[  671.913730]  ? task_prio+0x50/0x50
[  671.917283]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  671.922824]  ? check_preemption_disabled+0x48/0x280
[  671.927849]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  671.932700]  apic_timer_interrupt+0xf/0x20
[  671.936935]  </IRQ>
[  671.939172] RIP: 0010:rcu_is_watching+0x0/0x30
[  671.943754] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
[  671.962892] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  671.970634] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
[  671.977901] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
[  671.985170] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
[  671.992437] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
[  671.999703] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  672.006998]  ? list_lru_count_one+0x253/0x450
[  672.011492]  ? list_lru_count_one+0x35d/0x450
[  672.015993]  ? list_lru_count_one+0x362/0x450
[  672.020492]  ? list_lru_isolate_move+0x3c0/0x3c0
[  672.025247]  ? shmem_free_inode+0xd0/0xd0
[  672.029406]  ? __lock_is_held+0xb5/0x140
[  672.033476]  super_cache_count+0x1b9/0x2e0
[  672.037719]  do_shrink_slab+0x1b1/0xd30
[  672.041705]  ? snapshot_refaults+0x290/0x290
[  672.046118]  ? lock_release+0xa00/0xa00
[  672.050102]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  672.055041]  ? down_read_trylock+0xda/0x140
[  672.059361]  ? shrink_slab+0x207/0x8c0
[  672.063249]  ? downgrade_write+0x270/0x270
[  672.067502]  shrink_slab+0x389/0x8c0
[  672.071217]  ? shrink_active_list+0x1f00/0x1f00
[  672.075910]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  672.081544]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  672.086669]  ? cgroup_procs_write_finish+0xf0/0xf0
[  672.091613]  ? find_held_lock+0x36/0x1c0
[  672.095823]  shrink_node+0x431/0x16b0
[  672.100059]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  672.105378]  ? shrink_node_memcg+0x18f0/0x18f0
[  672.109966]  ? kvm_clock_read+0x18/0x30
[  672.113941]  ? ktime_get+0x2c1/0x400
[  672.117663]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  672.122167]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  672.127703]  ? __cpuset_node_allowed+0x19b/0x660
[  672.132475]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  672.138187]  ? delayacct_end+0x5a/0x100
[  672.142186]  do_try_to_free_pages+0x3e7/0x1290
[  672.146767]  ? zap_class+0x640/0x640
[  672.150500]  ? shrink_node+0x16b0/0x16b0
[  672.154568]  ? __lock_is_held+0xb5/0x140
[  672.158639]  try_to_free_pages+0x4d0/0xb90
[  672.162877]  ? do_try_to_free_pages+0x1290/0x1290
[  672.167759]  ? lock_acquire+0x1ed/0x520
[  672.171733]  ? set_page_refcounted+0x280/0x280
[  672.176328]  ? lock_release+0xa00/0xa00
[  672.180317]  ? _raw_spin_unlock_irq+0x60/0x80
[  672.184827]  ? psi_memstall_enter+0x240/0x2b0
[  672.189321]  ? psi_memstall_tick+0x230/0x230
[  672.193759]  __alloc_pages_slowpath+0xa48/0x2de0
[  672.198552]  ? warn_alloc+0x120/0x120
[  672.202374]  ? mark_held_locks+0x130/0x130
[  672.206614]  ? find_get_entry+0xaae/0x1120
[  672.210862]  ? filemap_map_pages+0x1a20/0x1a20
[  672.215451]  ? zap_class+0x640/0x640
[  672.219187]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.224726]  ? check_preemption_disabled+0x48/0x280
[  672.229774]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  672.235320]  ? should_fail+0x22d/0xd01
[  672.239212]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  672.244332]  ? zap_class+0x640/0x640
[  672.248103]  ? __lock_is_held+0xb5/0x140
[  672.252171]  ? mark_held_locks+0x130/0x130
[  672.256410]  ? lock_release+0xa00/0xa00
[  672.260400]  ? perf_trace_sched_process_exec+0x860/0x860
[  672.265849]  ? xa_load+0x2ba/0x460
[  672.269404]  ? lock_downgrade+0x900/0x900
[  672.273565]  ? __might_sleep+0x95/0x190
[  672.277551]  __alloc_pages_nodemask+0xad8/0xea0
[  672.282229]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  672.287250]  ? __page_cache_alloc+0x191/0x5c0
[  672.291746]  ? xa_load+0x2e1/0x460
[  672.295294]  ? xa_clear_mark+0x40/0x40
[  672.299187]  ? zap_class+0x640/0x640
[  672.302911]  ? zap_class+0x640/0x640
[  672.306645]  ? zap_class+0x640/0x640
[  672.310358]  ? __do_page_cache_readahead+0x663/0x810
[  672.315464]  ? find_held_lock+0x36/0x1c0
[  672.319531]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  672.325081]  alloc_pages_current+0x173/0x350
[  672.329497]  __page_cache_alloc+0x38c/0x5c0
[  672.333821]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  672.338748]  ? kasan_check_read+0x11/0x20
[  672.342895]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  672.348172]  ? generic_perform_write+0x6a0/0x6a0
[  672.352931]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  672.358469]  ? check_preemption_disabled+0x48/0x280
[  672.363494]  filemap_fault+0x1595/0x25f0
[  672.367574]  ? __lock_page_or_retry+0xa00/0xa00
[  672.372261]  ? mark_held_locks+0x130/0x130
[  672.376516]  ? filemap_map_pages+0xd6b/0x1a20
[  672.381017]  ? lock_downgrade+0x900/0x900
[  672.385163]  ? check_preemption_disabled+0x48/0x280
[  672.390179]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  672.395122]  ? kasan_check_read+0x11/0x20
[  672.399267]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  672.404552]  ? rcu_softirq_qs+0x20/0x20
[  672.408536]  ? filemap_map_pages+0xd92/0x1a20
[  672.413049]  ? find_get_entries_tag+0x1400/0x1400
[  672.417916]  ? debug_object_destroy+0x2b0/0x2b0
[  672.422604]  ? lock_pi_update_atomic+0x150/0x150
[  672.427373]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.432938]  ? lock_acquire+0x1ed/0x520
[  672.436913]  ? ext4_filemap_fault+0x7a/0xad
[  672.441243]  ? lock_release+0xa00/0xa00
[  672.445224]  ? perf_trace_sched_process_exec+0x860/0x860
[  672.450677]  ? print_usage_bug+0xc0/0xc0
[  672.454739]  ? print_usage_bug+0xc0/0xc0
[  672.458815]  ? down_read+0x8d/0x120
[  672.462452]  ? ext4_filemap_fault+0x7a/0xad
[  672.466777]  ? __down_interruptible+0x700/0x700
[  672.471459]  ext4_filemap_fault+0x82/0xad
[  672.475608]  __do_fault+0x100/0x6b0
[  672.479233]  ? release_sock+0x1ec/0x2c0
[  672.483227]  ? pmd_devmap_trans_unstable+0x220/0x220
[  672.488335]  ? mark_held_locks+0x130/0x130
[  672.492570]  ? mark_held_locks+0x130/0x130
[  672.496824]  ? lock_sock_nested+0x9a/0x120
[  672.501104]  ? __release_sock+0x3a0/0x3a0
[  672.505252]  ? __local_bh_enable_ip+0x160/0x260
[  672.509933]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  672.515476]  __handle_mm_fault+0x3ea0/0x5be0
[  672.519897]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  672.524758]  ? apparmor_socket_sendmsg+0x29/0x30
[  672.529518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.535090]  ? security_socket_sendmsg+0x94/0xc0
[  672.539849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.545418]  ? zap_class+0x640/0x640
[  672.549133]  ? zap_class+0x640/0x640
[  672.552847]  ? __x64_sys_futex+0x53e/0x6a0
[  672.557087]  ? find_held_lock+0x36/0x1c0
[  672.561177]  ? handle_mm_fault+0x42a/0xc70
[  672.565415]  ? lock_downgrade+0x900/0x900
[  672.569569]  ? check_preemption_disabled+0x48/0x280
[  672.574590]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  672.579536]  ? kasan_check_read+0x11/0x20
[  672.583688]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  672.588965]  ? rcu_softirq_qs+0x20/0x20
[  672.592940]  ? trace_hardirqs_off_caller+0x310/0x310
[  672.598060]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  672.603617]  ? check_preemption_disabled+0x48/0x280
[  672.608646]  handle_mm_fault+0x54f/0xc70
[  672.612714]  ? __handle_mm_fault+0x5be0/0x5be0
[  672.617307]  ? find_vma+0x34/0x190
[  672.620855]  __do_page_fault+0x5e8/0xe60
[  672.624916]  ? trace_hardirqs_off+0xb8/0x310
[  672.629358]  ? __ia32_sys_read+0xb0/0xb0
[  672.633450]  do_page_fault+0xf2/0x7e0
[  672.637255]  ? vmalloc_sync_all+0x30/0x30
[  672.641412]  ? error_entry+0x70/0xd0
[  672.645132]  ? trace_hardirqs_off_caller+0xbb/0x310
[  672.650146]  ? trace_hardirqs_on_caller+0xc0/0x310
[  672.655075]  ? syscall_return_slowpath+0x5e0/0x5e0
[  672.660005]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  672.664850]  ? trace_hardirqs_on_caller+0x310/0x310
[  672.669876]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  672.675331]  ? prepare_exit_to_usermode+0x291/0x3b0
[  672.680395]  ? page_fault+0x8/0x30
[  672.683939]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  672.688829]  ? page_fault+0x8/0x30
[  672.692372]  page_fault+0x1e/0x30
[  672.695822] RIP: 0033:0x45ddf3
[  672.699025] Code: Bad RIP value.
[  672.702385] RSP: 002b:000000c420023ea0 EFLAGS: 00010202
[  672.707746] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
[  672.715011] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  672.722285] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  672.729556] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  672.736825] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
[  672.744113] warn_alloc_show_mem: 1 callbacks suppressed
[  672.744124] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304
[  672.744126] Mem-Info:
[  672.744173] active_anon:59588 inactive_anon:187 isolated_anon:0
[  672.744173]  active_file:13 inactive_file:14 isolated_file:0
[  672.744173]  unevictable:0 dirty:0 writeback:0 unstable:0
[  672.744173]  slab_reclaimable:10147 slab_unreclaimable:1445690
[  672.744173]  mapped:49154 shmem:244 pagetables:690 bounce:0
[  672.744173]  free:13773 free_pcp:174 free_cma:0
[  672.749516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  672.756797] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  672.759212] Call Trace:
[  672.792165] 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
[  672.801524]  <IRQ>
[  672.829007] lowmem_reserve[]: 0 2818 6321 6321
[  672.831611]  dump_stack+0x244/0x39d
[  672.857703] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  672.859866]  ? dump_stack_print_info.cold.1+0x20/0x20
[  672.864424] lowmem_reserve[]: 0 0 3503 3503
[  672.868064]  warn_alloc.cold.116+0xb7/0x1bd
[  672.895530] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB
[  672.900715]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  672.905006] lowmem_reserve[]: 0 0 0 0
[  672.909323]  ? lock_downgrade+0x900/0x900
[  672.938219] 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
[  672.943193]  ? trace_hardirqs_off+0xb8/0x310
[  672.946964] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
[  672.951105]  ? trace_hardirqs_off+0xb8/0x310
[  672.964606] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  672.969013]  __alloc_pages_slowpath+0x2651/0x2de0
[  672.984941] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  672.989360]  ? warn_alloc+0x120/0x120
[  673.002931] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  673.007763]  ? print_usage_bug+0xc0/0xc0
[  673.016572] 271 total pagecache pages
[  673.020364]  ? warn_alloc+0x120/0x120
[  673.028924] 0 pages in swap cache
[  673.032986]  ? warn_alloc+0x120/0x120
[  673.036768] Swap cache stats: add 0, delete 0, find 0/0
[  673.040578]  ? print_usage_bug+0xc0/0xc0
[  673.044005] Free swap  = 0kB
[  673.047798]  ? kvm_clock_read+0x18/0x30
[  673.053136] Total swap = 0kB
[  673.057191]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  673.060183] 1965979 pages RAM
[  673.064150]  ? print_usage_bug+0xc0/0xc0
[  673.067143] 0 pages HighMem/MovableOnly
[  673.072149]  ? __lock_acquire+0x62f/0x4c20
[  673.075228] 342854 pages reserved
[  673.079286]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  673.083232] 0 pages cma reserved
[  673.087459]  ? should_fail+0x22d/0xd01
[  673.090942] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  673.096415]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  673.096434]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  673.096451]  ? __lock_acquire+0x62f/0x4c20
[  673.099872] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  673.103677]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  673.103692]  ? __lock_acquire+0x62f/0x4c20
[  673.110337] syz-fuzzer cpuset=/ mems_allowed=0
[  673.115602]  ? should_fail+0x22d/0xd01
[  673.115618]  ? rcu_irq_exit+0x1a2/0x390
[  673.156959]  ? mark_held_locks+0x130/0x130
[  673.161199]  ? mark_held_locks+0x130/0x130
[  673.165457]  ? mark_held_locks+0xc7/0x130
[  673.169609]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  673.174629]  ? zap_class+0x640/0x640
[  673.178345]  ? print_usage_bug+0xc0/0xc0
[  673.182419]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  673.187960]  ? check_preemption_disabled+0x48/0x280
[  673.193005]  ? __lock_is_held+0xb5/0x140
[  673.197076]  __alloc_pages_nodemask+0xad8/0xea0
[  673.201746]  ? zap_class+0x640/0x640
[  673.205469]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  673.210515]  ? find_held_lock+0x36/0x1c0
[  673.214585]  ? ____cache_alloc_node+0x1c7/0x1e0
[  673.219254]  ? lock_downgrade+0x900/0x900
[  673.223416]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  673.228960]  cache_grow_begin+0xa5/0x8c0
[  673.233026]  ? do_raw_spin_unlock+0xa7/0x330
[  673.237446]  fallback_alloc+0x204/0x2e0
[  673.241450]  ____cache_alloc_node+0x1c7/0x1e0
[  673.245954]  kmem_cache_alloc_node+0xe3/0x730
[  673.250454]  ? ipv6_get_ifaddr+0x42e/0x620
[  673.254700]  __alloc_skb+0x119/0x770
[  673.258412]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  673.263715]  ? netdev_alloc_frag+0x1f0/0x1f0
[  673.268139]  ? lock_downgrade+0x900/0x900
[  673.272300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  673.277843]  ? refcount_sub_and_test_checked+0x203/0x310
[  673.283306]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  673.288759]  ? addrconf_rs_timer+0x690/0x690
[  673.293177]  ndisc_alloc_skb+0x144/0x340
[  673.297242]  ndisc_send_rs+0x331/0x6e0
[  673.301134]  addrconf_rs_timer+0x314/0x690
[  673.305371]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  673.309634]  call_timer_fn+0x272/0x920
[  673.313517]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  673.317771]  ? process_timeout+0x40/0x40
[  673.321852]  ? __run_timers+0x7da/0xc70
[  673.325826]  ? _raw_spin_unlock_irq+0x27/0x80
[  673.330319]  ? _raw_spin_unlock_irq+0x27/0x80
[  673.334811]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  673.339054]  ? lockdep_hardirqs_on+0x296/0x5b0
[  673.343640]  ? trace_hardirqs_on+0xbd/0x310
[  673.347960]  ? kasan_check_read+0x11/0x20
[  673.352119]  ? __run_timers+0x7da/0xc70
[  673.356093]  ? trace_hardirqs_off_caller+0x310/0x310
[  673.361220]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  673.366673]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  673.370923]  __run_timers+0x7e5/0xc70
[  673.374748]  ? timer_fixup_init+0x70/0x70
[  673.378902]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  673.383923]  ? zap_class+0x640/0x640
[  673.387640]  ? enqueue_hrtimer+0x1a5/0x560
[  673.391892]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  673.397087]  ? find_held_lock+0x36/0x1c0
[  673.401152]  ? zap_class+0x640/0x640
[  673.404868]  ? pvclock_read_flags+0x160/0x160
[  673.409380]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  673.414918]  ? check_preemption_disabled+0x48/0x280
[  673.420121]  ? __lock_is_held+0xb5/0x140
[  673.424186]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  673.429740]  ? check_preemption_disabled+0x48/0x280
[  673.434763]  run_timer_softirq+0x52/0xb0
[  673.438829]  ? rcu_read_lock_sched_held+0x14f/0x180
[  673.443871]  __do_softirq+0x308/0xb7e
[  673.447674]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  673.452168]  ? lock_downgrade+0x900/0x900
[  673.456321]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  673.461434]  ? pvclock_read_flags+0x160/0x160
[  673.465935]  ? lapic_next_event+0x5a/0x90
[  673.470099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  673.475640]  ? kvm_clock_read+0x18/0x30
[  673.479613]  ? kvm_sched_clock_read+0x9/0x20
[  673.484036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  673.489578]  ? check_preemption_disabled+0x48/0x280
[  673.494606]  irq_exit+0x17f/0x1c0
[  673.498063]  smp_apic_timer_interrupt+0x1cb/0x760
[  673.502920]  ? smp_reschedule_interrupt+0x109/0x650
[  673.507984]  ? smp_call_function_single_interrupt+0x650/0x650
[  673.513917]  ? interrupt_entry+0xb5/0xc0
[  673.517979]  ? trace_hardirqs_off_caller+0xbb/0x310
[  673.522996]  ? trace_hardirqs_off_caller+0xbb/0x310
[  673.528014]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  673.532862]  ? trace_hardirqs_on_caller+0x310/0x310
[  673.537882]  ? trace_hardirqs_on_caller+0x310/0x310
[  673.542910]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  673.547763]  apic_timer_interrupt+0xf/0x20
[  673.552021]  </IRQ>
[  673.554289] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  673.560177] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
[  673.579073] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  673.586777] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  673.594049] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286
[  673.601333] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000
[  673.608629] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40
[  673.615893] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286
[  673.623195]  ? save_stack+0xa9/0xd0
[  673.626835]  __kmalloc_node_track_caller+0x3c/0x70
[  673.631775]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  673.636554]  pskb_expand_head+0x230/0x10f0
[  673.640795]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  673.646252]  ? memcpy+0x45/0x50
[  673.649543]  ? __copy_skb_header+0x350/0x6b0
[  673.653955]  ? skb_release_data+0x880/0x880
[  673.658284]  ? __alloc_skb+0x770/0x770
[  673.662181]  ? __lock_is_held+0xb5/0x140
[  673.666267]  ? kasan_check_write+0x14/0x20
[  673.670510]  ? __skb_clone+0x6c7/0xa00
[  673.674430]  ? __copy_skb_header+0x6b0/0x6b0
[  673.678838]  ? kmem_cache_alloc+0x33a/0x730
[  673.683165]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  673.688713]  skb_ensure_writable+0x3dd/0x640
[  673.693129]  ? skb_checksum_setup+0xaa0/0xaa0
[  673.697630]  ? preempt_notifier_register+0x200/0x200
[  673.702733]  ? __switch_to_asm+0x34/0x70
[  673.706796]  ? __switch_to_asm+0x34/0x70
[  673.710856]  ? __switch_to_asm+0x40/0x70
[  673.714917]  ? __switch_to_asm+0x34/0x70
[  673.718978]  ? __switch_to_asm+0x40/0x70
[  673.723042]  ? __switch_to_asm+0x40/0x70
[  673.727118]  ? __switch_to_asm+0x34/0x70
[  673.731191]  ? __switch_to_asm+0x34/0x70
[  673.735250]  ? __switch_to_asm+0x40/0x70
[  673.739317]  ? __switch_to_asm+0x34/0x70
[  673.743386]  bpf_clone_redirect+0x14a/0x490
[  673.747721]  bpf_prog_12ab75334035c288+0xfcd/0x1000
[  673.752741]  ? __sched_text_start+0x8/0x8
[  673.756889]  ? retint_kernel+0x2d/0x2d
[  673.760786]  ? find_held_lock+0x36/0x1c0
[  673.764858]  ? lock_acquire+0x1ed/0x520
[  673.768836]  ? bpf_test_run+0x3cb/0x780
[  673.772817]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  673.778373]  ? check_preemption_disabled+0x48/0x280
[  673.783401]  ? kasan_check_read+0x11/0x20
[  673.787577]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  673.792888]  ? rcu_softirq_qs+0x20/0x20
[  673.796868]  ? preempt_schedule+0x4d/0x60
[  673.801015]  ? ___preempt_schedule+0x16/0x18
[  673.805434]  ? bpf_test_run+0x25d/0x780
[  673.809421]  ? netlink_diag_dump+0x2a0/0x2a0
[  673.813833]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  673.819375]  ? bpf_test_init.isra.10+0x70/0x100
[  673.824067]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  673.828834]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  673.833709]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  673.839264]  ? fput+0x130/0x1a0
[  673.842590]  ? __bpf_prog_get+0x9b/0x290
[  673.846658]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  673.851505]  ? bpf_prog_test_run+0x130/0x1a0
[  673.855915]  ? __x64_sys_bpf+0x3d8/0x520
[  673.859994]  ? bpf_prog_get+0x20/0x20
[  673.863814]  ? do_syscall_64+0x1b9/0x820
[  673.867874]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  673.873239]  ? syscall_return_slowpath+0x5e0/0x5e0
[  673.878196]  ? trace_hardirqs_on_caller+0x310/0x310
[  673.883214]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  673.888247]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  673.894922]  ? __switch_to_asm+0x40/0x70
[  673.898980]  ? __switch_to_asm+0x34/0x70
[  673.903076]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  673.907929]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  673.913318] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
[  673.913386] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  673.920329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  673.920338] Call Trace:
[  673.926900] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  673.936161]  <IRQ>
[  673.938734] syz-executor3 cpuset=syz3 mems_allowed=0
[  673.949227]  dump_stack+0x244/0x39d
[  673.960087]  ? dump_stack_print_info.cold.1+0x20/0x20
[  673.965479]  warn_alloc.cold.116+0xb7/0x1bd
[  673.969833]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  673.974679]  ? lock_downgrade+0x900/0x900
[  673.978843]  ? trace_hardirqs_off+0xb8/0x310
[  673.983256]  ? trace_hardirqs_off+0xb8/0x310
[  673.987681]  __alloc_pages_slowpath+0x2651/0x2de0
[  673.992557]  ? warn_alloc+0x120/0x120
[  673.996382]  ? print_usage_bug+0xc0/0xc0
[  674.000475]  ? warn_alloc+0x120/0x120
[  674.004291]  ? warn_alloc+0x120/0x120
[  674.008095]  ? print_usage_bug+0xc0/0xc0
[  674.012176]  ? print_usage_bug+0xc0/0xc0
[  674.016241]  ? __lock_acquire+0x62f/0x4c20
[  674.020482]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  674.026023]  ? should_fail+0x22d/0xd01
[  674.029916]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  674.035035]  ? __lock_acquire+0x62f/0x4c20
[  674.039285]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  674.044387]  ? __lock_acquire+0x62f/0x4c20
[  674.048619]  ? should_fail+0x22d/0xd01
[  674.052531]  ? mark_held_locks+0x130/0x130
[  674.056780]  ? mark_held_locks+0x130/0x130
[  674.061017]  ? zap_class+0x640/0x640
[  674.064737]  ? __lock_acquire+0x62f/0x4c20
[  674.068973]  ? zap_class+0x640/0x640
[  674.072685]  ? mark_held_locks+0x130/0x130
[  674.076919]  ? print_usage_bug+0xc0/0xc0
[  674.080984]  ? wq_watchdog_touch+0x9c/0xfe
[  674.085225]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.090770]  ? check_preemption_disabled+0x48/0x280
[  674.095921]  ? __lock_is_held+0xb5/0x140
[  674.099993]  __alloc_pages_nodemask+0xad8/0xea0
[  674.104668]  ? zap_class+0x640/0x640
[  674.108389]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  674.113419]  ? find_held_lock+0x36/0x1c0
[  674.117497]  ? ____cache_alloc_node+0x1c7/0x1e0
[  674.122169]  ? lock_downgrade+0x900/0x900
[  674.126325]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.131875]  cache_grow_begin+0xa5/0x8c0
[  674.135946]  ? do_raw_spin_unlock+0xa7/0x330
[  674.140367]  fallback_alloc+0x204/0x2e0
[  674.144348]  ____cache_alloc_node+0x1c7/0x1e0
[  674.148850]  kmem_cache_alloc_node+0xe3/0x730
[  674.153342]  ? do_raw_spin_unlock+0xa7/0x330
[  674.157750]  ? do_raw_spin_trylock+0x270/0x270
[  674.162348]  __alloc_skb+0x119/0x770
[  674.166065]  ? netdev_alloc_frag+0x1f0/0x1f0
[  674.170515]  ? atomic_notifier_call_chain+0xc6/0x190
[  674.175656]  ? lock_downgrade+0x900/0x900
[  674.179808]  ? check_preemption_disabled+0x48/0x280
[  674.184829]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  674.189761]  ? kasan_check_read+0x11/0x20
[  674.193907]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  674.199186]  ? rcu_softirq_qs+0x20/0x20
[  674.203161]  ? kasan_check_read+0x11/0x20
[  674.207337]  ? do_raw_write_trylock+0x270/0x270
[  674.212029]  __neigh_notify+0x8c/0x160
[  674.215922]  ? neigh_connected_output+0x780/0x780
[  674.220787]  neigh_timer_handler+0x6cb/0xdf0
[  674.225213]  ? check_preemption_disabled+0x48/0x280
[  674.230231]  ? neigh_periodic_work+0xc60/0xc60
[  674.234823]  ? __lock_is_held+0xb5/0x140
[  674.238897]  call_timer_fn+0x272/0x920
[  674.242788]  ? neigh_periodic_work+0xc60/0xc60
[  674.247385]  ? process_timeout+0x40/0x40
[  674.251457]  ? mark_held_locks+0xc7/0x130
[  674.255608]  ? _raw_spin_unlock_irq+0x27/0x80
[  674.260106]  ? _raw_spin_unlock_irq+0x27/0x80
[  674.264596]  ? neigh_periodic_work+0xc60/0xc60
[  674.269177]  ? lockdep_hardirqs_on+0x296/0x5b0
[  674.273763]  ? trace_hardirqs_on+0xbd/0x310
[  674.278085]  ? kasan_check_read+0x11/0x20
[  674.282233]  ? __run_timers+0x7da/0xc70
[  674.286207]  ? trace_hardirqs_off_caller+0x310/0x310
[  674.291325]  ? neigh_periodic_work+0xc60/0xc60
[  674.295903]  __run_timers+0x7e5/0xc70
[  674.299712]  ? timer_fixup_init+0x70/0x70
[  674.303866]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  674.308898]  ? zap_class+0x640/0x640
[  674.312633]  ? print_usage_bug+0xc0/0xc0
[  674.316697]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  674.321894]  ? find_held_lock+0x36/0x1c0
[  674.325960]  ? zap_class+0x640/0x640
[  674.329679]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.335218]  ? check_preemption_disabled+0x48/0x280
[  674.340244]  ? __lock_is_held+0xb5/0x140
[  674.344317]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.349873]  ? check_preemption_disabled+0x48/0x280
[  674.354897]  run_timer_softirq+0x52/0xb0
[  674.358956]  ? rcu_read_lock_sched_held+0x14f/0x180
[  674.363976]  __do_softirq+0x308/0xb7e
[  674.367784]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  674.372311]  ? lock_downgrade+0x900/0x900
[  674.376464]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  674.381578]  ? pvclock_read_flags+0x160/0x160
[  674.386078]  ? lapic_next_event+0x5a/0x90
[  674.390229]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.395772]  ? kvm_clock_read+0x18/0x30
[  674.399781]  ? kvm_sched_clock_read+0x9/0x20
[  674.404260]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  674.409805]  ? check_preemption_disabled+0x48/0x280
[  674.414883]  irq_exit+0x17f/0x1c0
[  674.418384]  smp_apic_timer_interrupt+0x1cb/0x760
[  674.423225]  ? smp_call_function_single_interrupt+0x159/0x650
[  674.429111]  ? smp_call_function_single_interrupt+0x650/0x650
[  674.434998]  ? interrupt_entry+0xb5/0xc0
[  674.439067]  ? trace_hardirqs_off_caller+0xbb/0x310
[  674.444100]  ? trace_hardirqs_off_caller+0xbb/0x310
[  674.449117]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  674.453983]  ? trace_hardirqs_on_caller+0x310/0x310
[  674.458999]  ? trace_hardirqs_on_caller+0x310/0x310
[  674.464015]  ? task_prio+0x50/0x50
[  674.467561]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.473099]  ? check_preemption_disabled+0x48/0x280
[  674.478120]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  674.482993]  apic_timer_interrupt+0xf/0x20
[  674.487218]  </IRQ>
[  674.489461] RIP: 0010:rcu_is_watching+0x0/0x30
[  674.494043] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
[  674.512953] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  674.520665] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
[  674.527952] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
[  674.535247] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
[  674.542519] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
[  674.549800] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  674.557088]  ? list_lru_count_one+0x253/0x450
[  674.561582]  ? list_lru_count_one+0x35d/0x450
[  674.566111]  ? list_lru_count_one+0x362/0x450
[  674.570639]  ? list_lru_isolate_move+0x3c0/0x3c0
[  674.575393]  ? shmem_free_inode+0xd0/0xd0
[  674.579570]  ? __lock_is_held+0xb5/0x140
[  674.583640]  super_cache_count+0x1b9/0x2e0
[  674.587889]  do_shrink_slab+0x1b1/0xd30
[  674.591876]  ? snapshot_refaults+0x290/0x290
[  674.596292]  ? lock_release+0xa00/0xa00
[  674.600274]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  674.605224]  ? down_read_trylock+0xda/0x140
[  674.609581]  ? shrink_slab+0x207/0x8c0
[  674.613481]  ? downgrade_write+0x270/0x270
[  674.617729]  shrink_slab+0x389/0x8c0
[  674.621461]  ? shrink_active_list+0x1f00/0x1f00
[  674.626140]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  674.631801]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  674.636926]  ? cgroup_procs_write_finish+0xf0/0xf0
[  674.641860]  ? find_held_lock+0x36/0x1c0
[  674.645935]  shrink_node+0x431/0x16b0
[  674.649740]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  674.655052]  ? shrink_node_memcg+0x18f0/0x18f0
[  674.659642]  ? kvm_clock_read+0x18/0x30
[  674.663623]  ? ktime_get+0x2c1/0x400
[  674.667343]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  674.671840]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  674.677382]  ? __cpuset_node_allowed+0x19b/0x660
[  674.682140]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  674.687870]  ? delayacct_end+0x5a/0x100
[  674.691859]  do_try_to_free_pages+0x3e7/0x1290
[  674.696438]  ? zap_class+0x640/0x640
[  674.700170]  ? shrink_node+0x16b0/0x16b0
[  674.704235]  ? __lock_is_held+0xb5/0x140
[  674.708320]  try_to_free_pages+0x4d0/0xb90
[  674.712566]  ? do_try_to_free_pages+0x1290/0x1290
[  674.717424]  ? lock_acquire+0x1ed/0x520
[  674.721403]  ? set_page_refcounted+0x280/0x280
[  674.726010]  ? lock_release+0xa00/0xa00
[  674.729986]  ? _raw_spin_unlock_irq+0x60/0x80
[  674.734483]  ? psi_memstall_enter+0x240/0x2b0
[  674.738978]  ? psi_memstall_tick+0x230/0x230
[  674.743414]  __alloc_pages_slowpath+0xa48/0x2de0
[  674.748215]  ? warn_alloc+0x120/0x120
[  674.752016]  ? mark_held_locks+0x130/0x130
[  674.756291]  ? find_get_entry+0xaae/0x1120
[  674.760570]  ? filemap_map_pages+0x1a20/0x1a20
[  674.765159]  ? zap_class+0x640/0x640
[  674.768879]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.774421]  ? check_preemption_disabled+0x48/0x280
[  674.779442]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  674.784999]  ? should_fail+0x22d/0xd01
[  674.788891]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  674.794001]  ? zap_class+0x640/0x640
[  674.797741]  ? __lock_is_held+0xb5/0x140
[  674.801825]  ? mark_held_locks+0x130/0x130
[  674.806075]  ? lock_release+0xa00/0xa00
[  674.810049]  ? perf_trace_sched_process_exec+0x860/0x860
[  674.815501]  ? xa_load+0x2ba/0x460
[  674.819045]  ? lock_downgrade+0x900/0x900
[  674.823213]  ? __might_sleep+0x95/0x190
[  674.827192]  __alloc_pages_nodemask+0xad8/0xea0
[  674.831883]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  674.836928]  ? __page_cache_alloc+0x191/0x5c0
[  674.841419]  ? xa_load+0x2e1/0x460
[  674.845009]  ? xa_clear_mark+0x40/0x40
[  674.848911]  ? zap_class+0x640/0x640
[  674.852635]  ? zap_class+0x640/0x640
[  674.856365]  ? zap_class+0x640/0x640
[  674.860078]  ? __do_page_cache_readahead+0x663/0x810
[  674.865204]  ? find_held_lock+0x36/0x1c0
[  674.869271]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  674.874827]  alloc_pages_current+0x173/0x350
[  674.879264]  __page_cache_alloc+0x38c/0x5c0
[  674.883632]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  674.888588]  ? kasan_check_read+0x11/0x20
[  674.892734]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  674.898017]  ? generic_perform_write+0x6a0/0x6a0
[  674.902779]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  674.908324]  ? check_preemption_disabled+0x48/0x280
[  674.913349]  filemap_fault+0x1595/0x25f0
[  674.917438]  ? __lock_page_or_retry+0xa00/0xa00
[  674.922110]  ? mark_held_locks+0x130/0x130
[  674.926371]  ? filemap_map_pages+0xd6b/0x1a20
[  674.930870]  ? lock_downgrade+0x900/0x900
[  674.935018]  ? check_preemption_disabled+0x48/0x280
[  674.940040]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  674.944967]  ? kasan_check_read+0x11/0x20
[  674.949115]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  674.954395]  ? rcu_softirq_qs+0x20/0x20
[  674.958396]  ? filemap_map_pages+0xd92/0x1a20
[  674.963137]  ? find_get_entries_tag+0x1400/0x1400
[  674.967989]  ? debug_object_destroy+0x2b0/0x2b0
[  674.972681]  ? lock_pi_update_atomic+0x150/0x150
[  674.977450]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.983009]  ? lock_acquire+0x1ed/0x520
[  674.986985]  ? ext4_filemap_fault+0x7a/0xad
[  674.991323]  ? lock_release+0xa00/0xa00
[  674.995319]  ? perf_trace_sched_process_exec+0x860/0x860
[  675.000771]  ? print_usage_bug+0xc0/0xc0
[  675.004848]  ? print_usage_bug+0xc0/0xc0
[  675.008921]  ? down_read+0x8d/0x120
[  675.012549]  ? ext4_filemap_fault+0x7a/0xad
[  675.016871]  ? __down_interruptible+0x700/0x700
[  675.021558]  ext4_filemap_fault+0x82/0xad
[  675.025708]  __do_fault+0x100/0x6b0
[  675.029333]  ? release_sock+0x1ec/0x2c0
[  675.033335]  ? pmd_devmap_trans_unstable+0x220/0x220
[  675.038441]  ? mark_held_locks+0x130/0x130
[  675.042679]  ? mark_held_locks+0x130/0x130
[  675.046971]  ? lock_sock_nested+0x9a/0x120
[  675.051298]  ? __release_sock+0x3a0/0x3a0
[  675.055507]  ? __local_bh_enable_ip+0x160/0x260
[  675.060198]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  675.065738]  __handle_mm_fault+0x3ea0/0x5be0
[  675.070154]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  675.074998]  ? apparmor_socket_sendmsg+0x29/0x30
[  675.079754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.085314]  ? security_socket_sendmsg+0x94/0xc0
[  675.090088]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.095641]  ? zap_class+0x640/0x640
[  675.099362]  ? zap_class+0x640/0x640
[  675.103093]  ? __x64_sys_futex+0x53e/0x6a0
[  675.107346]  ? find_held_lock+0x36/0x1c0
[  675.111448]  ? handle_mm_fault+0x42a/0xc70
[  675.115704]  ? lock_downgrade+0x900/0x900
[  675.119881]  ? check_preemption_disabled+0x48/0x280
[  675.124903]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  675.129836]  ? kasan_check_read+0x11/0x20
[  675.133992]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  675.139263]  ? rcu_softirq_qs+0x20/0x20
[  675.143252]  ? trace_hardirqs_off_caller+0x310/0x310
[  675.148364]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  675.153907]  ? check_preemption_disabled+0x48/0x280
[  675.158929]  handle_mm_fault+0x54f/0xc70
[  675.162990]  ? __handle_mm_fault+0x5be0/0x5be0
[  675.167588]  ? find_vma+0x34/0x190
[  675.171131]  __do_page_fault+0x5e8/0xe60
[  675.175195]  ? trace_hardirqs_off+0xb8/0x310
[  675.179614]  ? __ia32_sys_read+0xb0/0xb0
[  675.183686]  do_page_fault+0xf2/0x7e0
[  675.187504]  ? vmalloc_sync_all+0x30/0x30
[  675.191651]  ? error_entry+0x70/0xd0
[  675.195365]  ? trace_hardirqs_off_caller+0xbb/0x310
[  675.200379]  ? trace_hardirqs_on_caller+0xc0/0x310
[  675.205329]  ? syscall_return_slowpath+0x5e0/0x5e0
[  675.210256]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  675.215104]  ? trace_hardirqs_on_caller+0x310/0x310
[  675.220130]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  675.225644]  ? prepare_exit_to_usermode+0x291/0x3b0
[  675.230691]  ? page_fault+0x8/0x30
[  675.234267]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  675.239124]  ? page_fault+0x8/0x30
[  675.242670]  page_fault+0x1e/0x30
[  675.246142] RIP: 0033:0x45ddf3
[  675.249342] Code: Bad RIP value.
[  675.252700] RSP: 002b:000000c420023ea0 EFLAGS: 00010202
[  675.258060] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
[  675.265330] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  675.272596] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  675.279863] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  675.287131] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
[  675.294431] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304
[  675.294436] warn_alloc_show_mem: 1 callbacks suppressed
[  675.294443] Mem-Info:
[  675.301752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  675.307120] active_anon:59588 inactive_anon:187 isolated_anon:0
[  675.307120]  active_file:13 inactive_file:14 isolated_file:0
[  675.307120]  unevictable:0 dirty:0 writeback:0 unstable:0
[  675.307120]  slab_reclaimable:10147 slab_unreclaimable:1445690
[  675.307120]  mapped:49154 shmem:244 pagetables:690 bounce:0
[  675.307120]  free:13773 free_pcp:174 free_cma:0
[  675.309490] Call Trace:
[  675.318881] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  675.351820]  <IRQ>
[  675.354395] 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
[  675.381894]  dump_stack+0x244/0x39d
[  675.384034] lowmem_reserve[]: 0 2818 6321 6321
[  675.410146]  ? dump_stack_print_info.cold.1+0x20/0x20
[  675.413750] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  675.418338]  warn_alloc.cold.116+0xb7/0x1bd
[  675.423495] lowmem_reserve[]: 0 0 3503 3503
[  675.450989]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  675.455294] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB
[  675.459614]  ? lock_downgrade+0x900/0x900
[  675.464435] lowmem_reserve[]: 0 0 0 0
[  675.493329]  ? trace_hardirqs_off+0xb8/0x310
[  675.497468] 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
[  675.501298]  ? trace_hardirqs_off+0xb8/0x310
[  675.505680] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
[  675.519207]  __alloc_pages_slowpath+0x2651/0x2de0
[  675.523589] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  675.539563]  ? warn_alloc+0x120/0x120
[  675.544372] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  675.557976]  ? print_usage_bug+0xc0/0xc0
[  675.561773] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  675.570597]  ? warn_alloc+0x120/0x120
[  675.574653] 271 total pagecache pages
[  675.583222]  ? warn_alloc+0x120/0x120
[  675.587007] 0 pages in swap cache
[  675.590811]  ? print_usage_bug+0xc0/0xc0
[  675.594589] Swap cache stats: add 0, delete 0, find 0/0
[  675.598043]  ? kvm_clock_read+0x18/0x30
[  675.602078] Free swap  = 0kB
[  675.607455]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  675.611406] Total swap = 0kB
[  675.614417]  ? print_usage_bug+0xc0/0xc0
[  675.619408] 1965979 pages RAM
[  675.622435]  ? __lock_acquire+0x62f/0x4c20
[  675.626471] 0 pages HighMem/MovableOnly
[  675.629575]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  675.633789] 342854 pages reserved
[  675.637759]  ? should_fail+0x22d/0xd01
[  675.643269] 0 pages cma reserved
[  675.646722]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  675.650817] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  675.654077]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  675.659335] syz-fuzzer cpuset=/ mems_allowed=0
[  675.669566]  ? __lock_acquire+0x62f/0x4c20
[  675.683471]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  675.688572]  ? __lock_acquire+0x62f/0x4c20
[  675.692815]  ? should_fail+0x22d/0xd01
[  675.696701]  ? rcu_irq_exit+0x1a2/0x390
[  675.700687]  ? mark_held_locks+0x130/0x130
[  675.704946]  ? mark_held_locks+0x130/0x130
[  675.709185]  ? mark_held_locks+0xc7/0x130
[  675.713338]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  675.718372]  ? zap_class+0x640/0x640
[  675.722086]  ? print_usage_bug+0xc0/0xc0
[  675.726152]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.731693]  ? check_preemption_disabled+0x48/0x280
[  675.736722]  ? __lock_is_held+0xb5/0x140
[  675.740793]  __alloc_pages_nodemask+0xad8/0xea0
[  675.745462]  ? zap_class+0x640/0x640
[  675.749198]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  675.754227]  ? find_held_lock+0x36/0x1c0
[  675.758321]  ? ____cache_alloc_node+0x1c7/0x1e0
[  675.762994]  ? lock_downgrade+0x900/0x900
[  675.767150]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.772695]  cache_grow_begin+0xa5/0x8c0
[  675.776754]  ? do_raw_spin_unlock+0xa7/0x330
[  675.781185]  fallback_alloc+0x204/0x2e0
[  675.785169]  ____cache_alloc_node+0x1c7/0x1e0
[  675.789669]  kmem_cache_alloc_node+0xe3/0x730
[  675.794179]  ? ipv6_get_ifaddr+0x42e/0x620
[  675.798428]  __alloc_skb+0x119/0x770
[  675.802140]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  675.807420]  ? netdev_alloc_frag+0x1f0/0x1f0
[  675.811847]  ? lock_downgrade+0x900/0x900
[  675.816001]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.821564]  ? refcount_sub_and_test_checked+0x203/0x310
[  675.827019]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  675.832475]  ? addrconf_rs_timer+0x690/0x690
[  675.836900]  ndisc_alloc_skb+0x144/0x340
[  675.840964]  ndisc_send_rs+0x331/0x6e0
[  675.844855]  addrconf_rs_timer+0x314/0x690
[  675.849097]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  675.853346]  call_timer_fn+0x272/0x920
[  675.857231]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  675.861462]  ? process_timeout+0x40/0x40
[  675.865532]  ? __run_timers+0x7da/0xc70
[  675.869510]  ? _raw_spin_unlock_irq+0x27/0x80
[  675.874008]  ? _raw_spin_unlock_irq+0x27/0x80
[  675.878541]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  675.882792]  ? lockdep_hardirqs_on+0x296/0x5b0
[  675.887376]  ? trace_hardirqs_on+0xbd/0x310
[  675.891716]  ? kasan_check_read+0x11/0x20
[  675.895879]  ? __run_timers+0x7da/0xc70
[  675.899854]  ? trace_hardirqs_off_caller+0x310/0x310
[  675.904965]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  675.909206]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  675.913439]  __run_timers+0x7e5/0xc70
[  675.917250]  ? timer_fixup_init+0x70/0x70
[  675.921409]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  675.926430]  ? zap_class+0x640/0x640
[  675.930150]  ? enqueue_hrtimer+0x1a5/0x560
[  675.934386]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  675.939583]  ? find_held_lock+0x36/0x1c0
[  675.943651]  ? zap_class+0x640/0x640
[  675.947369]  ? pvclock_read_flags+0x160/0x160
[  675.951866]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.957405]  ? check_preemption_disabled+0x48/0x280
[  675.962596]  ? __lock_is_held+0xb5/0x140
[  675.966660]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.972198]  ? check_preemption_disabled+0x48/0x280
[  675.977234]  run_timer_softirq+0x52/0xb0
[  675.981336]  ? rcu_read_lock_sched_held+0x14f/0x180
[  675.986355]  __do_softirq+0x308/0xb7e
[  675.990164]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  675.994674]  ? lock_downgrade+0x900/0x900
[  675.998826]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  676.003936]  ? pvclock_read_flags+0x160/0x160
[  676.008435]  ? lapic_next_event+0x5a/0x90
[  676.012588]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  676.018129]  ? kvm_clock_read+0x18/0x30
[  676.022102]  ? kvm_sched_clock_read+0x9/0x20
[  676.026510]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  676.032055]  ? check_preemption_disabled+0x48/0x280
[  676.037085]  irq_exit+0x17f/0x1c0
[  676.040541]  smp_apic_timer_interrupt+0x1cb/0x760
[  676.045385]  ? smp_reschedule_interrupt+0x109/0x650
[  676.050407]  ? smp_call_function_single_interrupt+0x650/0x650
[  676.056300]  ? interrupt_entry+0xb5/0xc0
[  676.060366]  ? trace_hardirqs_off_caller+0xbb/0x310
[  676.065379]  ? trace_hardirqs_off_caller+0xbb/0x310
[  676.070430]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  676.075315]  ? trace_hardirqs_on_caller+0x310/0x310
[  676.080332]  ? trace_hardirqs_on_caller+0x310/0x310
[  676.085363]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  676.090229]  apic_timer_interrupt+0xf/0x20
[  676.094973]  </IRQ>
[  676.097230] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  676.103119] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
[  676.122017] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  676.129725] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  676.136995] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286
[  676.144261] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000
[  676.151534] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40
[  676.158802] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286
[  676.166126]  ? save_stack+0xa9/0xd0
[  676.169766]  __kmalloc_node_track_caller+0x3c/0x70
[  676.174703]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  676.179468]  pskb_expand_head+0x230/0x10f0
[  676.183709]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  676.189181]  ? memcpy+0x45/0x50
[  676.192463]  ? __copy_skb_header+0x350/0x6b0
[  676.196886]  ? skb_release_data+0x880/0x880
[  676.201240]  ? __alloc_skb+0x770/0x770
[  676.205135]  ? __lock_is_held+0xb5/0x140
[  676.209197]  ? kasan_check_write+0x14/0x20
[  676.213455]  ? __skb_clone+0x6c7/0xa00
[  676.217354]  ? __copy_skb_header+0x6b0/0x6b0
[  676.221761]  ? kmem_cache_alloc+0x33a/0x730
[  676.226090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  676.231634]  skb_ensure_writable+0x3dd/0x640
[  676.236065]  ? skb_checksum_setup+0xaa0/0xaa0
[  676.240587]  ? preempt_notifier_register+0x200/0x200
[  676.245708]  ? __switch_to_asm+0x34/0x70
[  676.249796]  ? __switch_to_asm+0x34/0x70
[  676.253857]  ? __switch_to_asm+0x40/0x70
[  676.257913]  ? __switch_to_asm+0x34/0x70
[  676.261968]  ? __switch_to_asm+0x40/0x70
[  676.266026]  ? __switch_to_asm+0x40/0x70
[  676.270087]  ? __switch_to_asm+0x34/0x70
[  676.274144]  ? __switch_to_asm+0x34/0x70
[  676.278232]  ? __switch_to_asm+0x40/0x70
[  676.282309]  ? __switch_to_asm+0x34/0x70
[  676.286389]  bpf_clone_redirect+0x14a/0x490
[  676.290720]  bpf_prog_12ab75334035c288+0xfcd/0x1000
[  676.295742]  ? __sched_text_start+0x8/0x8
[  676.299934]  ? retint_kernel+0x2d/0x2d
[  676.303833]  ? find_held_lock+0x36/0x1c0
[  676.307904]  ? lock_acquire+0x1ed/0x520
[  676.311891]  ? bpf_test_run+0x3cb/0x780
[  676.315883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  676.321437]  ? check_preemption_disabled+0x48/0x280
[  676.326461]  ? kasan_check_read+0x11/0x20
[  676.330611]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  676.335887]  ? rcu_softirq_qs+0x20/0x20
[  676.339866]  ? preempt_schedule+0x4d/0x60
[  676.344043]  ? ___preempt_schedule+0x16/0x18
[  676.348464]  ? bpf_test_run+0x25d/0x780
[  676.352456]  ? netlink_diag_dump+0x2a0/0x2a0
[  676.356868]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  676.362406]  ? bpf_test_init.isra.10+0x70/0x100
[  676.367085]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  676.371862]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  676.376705]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  676.382247]  ? fput+0x130/0x1a0
[  676.385539]  ? __bpf_prog_get+0x9b/0x290
[  676.389612]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  676.394458]  ? bpf_prog_test_run+0x130/0x1a0
[  676.398870]  ? __x64_sys_bpf+0x3d8/0x520
[  676.402945]  ? bpf_prog_get+0x20/0x20
[  676.406765]  ? do_syscall_64+0x1b9/0x820
[  676.410829]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  676.416195]  ? syscall_return_slowpath+0x5e0/0x5e0
[  676.421129]  ? trace_hardirqs_on_caller+0x310/0x310
[  676.426148]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  676.431166]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  676.437846]  ? __switch_to_asm+0x40/0x70
[  676.441908]  ? __switch_to_asm+0x34/0x70
[  676.445973]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  676.450823]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  676.456313] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
[  676.456383] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  676.463331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  676.463336] Call Trace:
[  676.463343]  <IRQ>
[  676.463361]  dump_stack+0x244/0x39d
[  676.463381]  ? dump_stack_print_info.cold.1+0x20/0x20
[  676.470009] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  676.479237]  warn_alloc.cold.116+0xb7/0x1bd
[  676.481790] syz-executor3 cpuset=syz3 mems_allowed=0
[  676.483932]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  676.517423]  ? lock_downgrade+0x900/0x900
[  676.521582]  ? trace_hardirqs_off+0xb8/0x310
[  676.526033]  ? trace_hardirqs_off+0xb8/0x310
[  676.530477]  __alloc_pages_slowpath+0x2651/0x2de0
[  676.535370]  ? warn_alloc+0x120/0x120
[  676.539183]  ? warn_alloc+0x120/0x120
[  676.542999]  ? warn_alloc+0x120/0x120
[  676.546814]  ? print_usage_bug+0xc0/0xc0
[  676.550879]  ? enqueue_hrtimer+0x1a5/0x560
[  676.555118]  ? print_usage_bug+0xc0/0xc0
[  676.559178]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  676.564391]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  676.569928]  ? should_fail+0x22d/0xd01
[  676.573822]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  676.578935]  ? __lock_acquire+0x62f/0x4c20
[  676.583172]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  676.588273]  ? __lock_acquire+0x62f/0x4c20
[  676.592518]  ? should_fail+0x22d/0xd01
[  676.596464]  ? mark_held_locks+0x130/0x130
[  676.600700]  ? mark_held_locks+0x130/0x130
[  676.604937]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  676.609957]  ? ktime_get+0x2c1/0x400
[  676.613673]  ? zap_class+0x640/0x640
[  676.617386]  ? print_usage_bug+0xc0/0xc0
[  676.621451]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  676.626988]  ? check_preemption_disabled+0x48/0x280
[  676.632033]  ? __lock_is_held+0xb5/0x140
[  676.636097]  __alloc_pages_nodemask+0xad8/0xea0
[  676.640784]  ? zap_class+0x640/0x640
[  676.644505]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  676.649536]  ? find_held_lock+0x36/0x1c0
[  676.653613]  ? ____cache_alloc_node+0x1c7/0x1e0
[  676.658305]  ? lock_downgrade+0x900/0x900
[  676.662458]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  676.667996]  cache_grow_begin+0xa5/0x8c0
[  676.672057]  ? do_raw_spin_unlock+0xa7/0x330
[  676.676492]  fallback_alloc+0x204/0x2e0
[  676.680472]  ____cache_alloc_node+0x1c7/0x1e0
[  676.684990]  kmem_cache_alloc_node+0xe3/0x730
[  676.689485]  ? ipv6_get_ifaddr+0x42e/0x620
[  676.693732]  __alloc_skb+0x119/0x770
[  676.697446]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  676.702727]  ? netdev_alloc_frag+0x1f0/0x1f0
[  676.707135]  ? lock_downgrade+0x900/0x900
[  676.711301]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  676.716855]  ? refcount_sub_and_test_checked+0x203/0x310
[  676.722311]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  676.727760]  ? addrconf_rs_timer+0x690/0x690
[  676.732175]  ndisc_alloc_skb+0x144/0x340
[  676.736236]  ndisc_send_rs+0x331/0x6e0
[  676.740122]  addrconf_rs_timer+0x314/0x690
[  676.744357]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  676.748595]  call_timer_fn+0x272/0x920
[  676.752480]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  676.756728]  ? process_timeout+0x40/0x40
[  676.760796]  ? mark_held_locks+0xc7/0x130
[  676.764940]  ? _raw_spin_unlock_irq+0x27/0x80
[  676.769429]  ? _raw_spin_unlock_irq+0x27/0x80
[  676.773934]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  676.778203]  ? lockdep_hardirqs_on+0x296/0x5b0
[  676.782780]  ? trace_hardirqs_on+0xbd/0x310
[  676.787094]  ? kasan_check_read+0x11/0x20
[  676.791242]  ? __run_timers+0x7da/0xc70
[  676.795306]  ? trace_hardirqs_off_caller+0x310/0x310
[  676.800420]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  676.804654]  __run_timers+0x7e5/0xc70
[  676.808464]  ? timer_fixup_init+0x70/0x70
[  676.812632]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  676.817659]  ? zap_class+0x640/0x640
[  676.821389]  ? print_usage_bug+0xc0/0xc0
[  676.825450]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  676.830658]  ? find_held_lock+0x36/0x1c0
[  676.834733]  ? zap_class+0x640/0x640
[  676.838476]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  676.844010]  ? check_preemption_disabled+0x48/0x280
[  676.849033]  ? __lock_is_held+0xb5/0x140
[  676.853094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  676.858631]  ? check_preemption_disabled+0x48/0x280
[  676.863650]  run_timer_softirq+0x52/0xb0
[  676.867708]  ? rcu_read_lock_sched_held+0x14f/0x180
[  676.872723]  __do_softirq+0x308/0xb7e
[  676.876549]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  676.881044]  ? lock_downgrade+0x900/0x900
[  676.885211]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  676.890354]  ? pvclock_read_flags+0x160/0x160
[  676.894853]  ? lapic_next_event+0x5a/0x90
[  676.899002]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  676.904552]  ? kvm_clock_read+0x18/0x30
[  676.908564]  ? kvm_sched_clock_read+0x9/0x20
[  676.912975]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  676.918528]  ? check_preemption_disabled+0x48/0x280
[  676.923577]  irq_exit+0x17f/0x1c0
[  676.927033]  smp_apic_timer_interrupt+0x1cb/0x760
[  676.931904]  ? smp_call_function_single_interrupt+0x159/0x650
[  676.937821]  ? smp_call_function_single_interrupt+0x650/0x650
[  676.943724]  ? interrupt_entry+0xb5/0xc0
[  676.947789]  ? trace_hardirqs_off_caller+0xbb/0x310
[  676.952806]  ? trace_hardirqs_off_caller+0xbb/0x310
[  676.957826]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  676.962674]  ? trace_hardirqs_on_caller+0x310/0x310
[  676.967688]  ? trace_hardirqs_on_caller+0x310/0x310
[  676.972707]  ? task_prio+0x50/0x50
[  676.976252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  676.982145]  ? check_preemption_disabled+0x48/0x280
[  676.987165]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  676.992018]  apic_timer_interrupt+0xf/0x20
[  676.996245]  </IRQ>
[  676.998487] RIP: 0010:rcu_is_watching+0x0/0x30
[  677.003082] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
[  677.021977] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  677.029682] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
[  677.036958] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
[  677.044223] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
[  677.051492] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
[  677.058762] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  677.066050]  ? list_lru_count_one+0x253/0x450
[  677.070548]  ? list_lru_count_one+0x35d/0x450
[  677.075050]  ? list_lru_count_one+0x362/0x450
[  677.079550]  ? list_lru_isolate_move+0x3c0/0x3c0
[  677.084326]  ? shmem_free_inode+0xd0/0xd0
[  677.088476]  ? __lock_is_held+0xb5/0x140
[  677.092549]  super_cache_count+0x1b9/0x2e0
[  677.096804]  do_shrink_slab+0x1b1/0xd30
[  677.100803]  ? snapshot_refaults+0x290/0x290
[  677.105213]  ? lock_release+0xa00/0xa00
[  677.109209]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  677.114193]  ? down_read_trylock+0xda/0x140
[  677.118514]  ? shrink_slab+0x207/0x8c0
[  677.122412]  ? downgrade_write+0x270/0x270
[  677.126662]  shrink_slab+0x389/0x8c0
[  677.130394]  ? shrink_active_list+0x1f00/0x1f00
[  677.135074]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  677.140732]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  677.145844]  ? cgroup_procs_write_finish+0xf0/0xf0
[  677.150779]  ? find_held_lock+0x36/0x1c0
[  677.154849]  shrink_node+0x431/0x16b0
[  677.158649]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  677.163951]  ? shrink_node_memcg+0x18f0/0x18f0
[  677.168545]  ? kvm_clock_read+0x18/0x30
[  677.172519]  ? ktime_get+0x2c1/0x400
[  677.176238]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  677.180734]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  677.186292]  ? __cpuset_node_allowed+0x19b/0x660
[  677.191066]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  677.196781]  ? delayacct_end+0x5a/0x100
[  677.200775]  do_try_to_free_pages+0x3e7/0x1290
[  677.205358]  ? zap_class+0x640/0x640
[  677.209118]  ? shrink_node+0x16b0/0x16b0
[  677.213179]  ? __lock_is_held+0xb5/0x140
[  677.217255]  try_to_free_pages+0x4d0/0xb90
[  677.221504]  ? do_try_to_free_pages+0x1290/0x1290
[  677.226362]  ? lock_acquire+0x1ed/0x520
[  677.230337]  ? set_page_refcounted+0x280/0x280
[  677.234927]  ? lock_release+0xa00/0xa00
[  677.238908]  ? _raw_spin_unlock_irq+0x60/0x80
[  677.243404]  ? psi_memstall_enter+0x240/0x2b0
[  677.247907]  ? psi_memstall_tick+0x230/0x230
[  677.252330]  __alloc_pages_slowpath+0xa48/0x2de0
[  677.257118]  ? warn_alloc+0x120/0x120
[  677.260920]  ? mark_held_locks+0x130/0x130
[  677.265176]  ? find_get_entry+0xaae/0x1120
[  677.269424]  ? filemap_map_pages+0x1a20/0x1a20
[  677.274013]  ? zap_class+0x640/0x640
[  677.277734]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.283273]  ? check_preemption_disabled+0x48/0x280
[  677.288312]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  677.293852]  ? should_fail+0x22d/0xd01
[  677.297742]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  677.302848]  ? zap_class+0x640/0x640
[  677.306595]  ? __lock_is_held+0xb5/0x140
[  677.310671]  ? mark_held_locks+0x130/0x130
[  677.314924]  ? lock_release+0xa00/0xa00
[  677.318908]  ? perf_trace_sched_process_exec+0x860/0x860
[  677.324359]  ? xa_load+0x2ba/0x460
[  677.327901]  ? lock_downgrade+0x900/0x900
[  677.332055]  ? __might_sleep+0x95/0x190
[  677.336036]  __alloc_pages_nodemask+0xad8/0xea0
[  677.340713]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  677.345737]  ? __page_cache_alloc+0x191/0x5c0
[  677.350235]  ? xa_load+0x2e1/0x460
[  677.353776]  ? xa_clear_mark+0x40/0x40
[  677.357671]  ? zap_class+0x640/0x640
[  677.361396]  ? zap_class+0x640/0x640
[  677.365109]  ? zap_class+0x640/0x640
[  677.368824]  ? __do_page_cache_readahead+0x663/0x810
[  677.373934]  ? find_held_lock+0x36/0x1c0
[  677.378022]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  677.383846]  alloc_pages_current+0x173/0x350
[  677.388263]  __page_cache_alloc+0x38c/0x5c0
[  677.392602]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  677.397537]  ? kasan_check_read+0x11/0x20
[  677.401690]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  677.407007]  ? generic_perform_write+0x6a0/0x6a0
[  677.411796]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  677.417336]  ? check_preemption_disabled+0x48/0x280
[  677.422366]  filemap_fault+0x1595/0x25f0
[  677.426441]  ? __lock_page_or_retry+0xa00/0xa00
[  677.431117]  ? mark_held_locks+0x130/0x130
[  677.435363]  ? filemap_map_pages+0xd6b/0x1a20
[  677.439858]  ? lock_downgrade+0x900/0x900
[  677.444046]  ? check_preemption_disabled+0x48/0x280
[  677.449086]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  677.454044]  ? kasan_check_read+0x11/0x20
[  677.458187]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  677.463462]  ? rcu_softirq_qs+0x20/0x20
[  677.467454]  ? filemap_map_pages+0xd92/0x1a20
[  677.471963]  ? find_get_entries_tag+0x1400/0x1400
[  677.476813]  ? debug_object_destroy+0x2b0/0x2b0
[  677.481490]  ? lock_pi_update_atomic+0x150/0x150
[  677.486244]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.491792]  ? lock_acquire+0x1ed/0x520
[  677.495767]  ? ext4_filemap_fault+0x7a/0xad
[  677.500098]  ? lock_release+0xa00/0xa00
[  677.504075]  ? perf_trace_sched_process_exec+0x860/0x860
[  677.509528]  ? print_usage_bug+0xc0/0xc0
[  677.513596]  ? print_usage_bug+0xc0/0xc0
[  677.517670]  ? down_read+0x8d/0x120
[  677.521317]  ? ext4_filemap_fault+0x7a/0xad
[  677.525649]  ? __down_interruptible+0x700/0x700
[  677.530333]  ext4_filemap_fault+0x82/0xad
[  677.534485]  __do_fault+0x100/0x6b0
[  677.538118]  ? release_sock+0x1ec/0x2c0
[  677.542112]  ? pmd_devmap_trans_unstable+0x220/0x220
[  677.547222]  ? mark_held_locks+0x130/0x130
[  677.551474]  ? mark_held_locks+0x130/0x130
[  677.555706]  ? lock_sock_nested+0x9a/0x120
[  677.559941]  ? __release_sock+0x3a0/0x3a0
[  677.564093]  ? __local_bh_enable_ip+0x160/0x260
[  677.568763]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  677.574314]  __handle_mm_fault+0x3ea0/0x5be0
[  677.578731]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  677.583575]  ? apparmor_socket_sendmsg+0x29/0x30
[  677.588331]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.593870]  ? security_socket_sendmsg+0x94/0xc0
[  677.598633]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.604186]  ? zap_class+0x640/0x640
[  677.607899]  ? zap_class+0x640/0x640
[  677.611613]  ? __x64_sys_futex+0x53e/0x6a0
[  677.615850]  ? find_held_lock+0x36/0x1c0
[  677.619936]  ? handle_mm_fault+0x42a/0xc70
[  677.624171]  ? lock_downgrade+0x900/0x900
[  677.628325]  ? check_preemption_disabled+0x48/0x280
[  677.633347]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  677.638276]  ? kasan_check_read+0x11/0x20
[  677.642434]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  677.647728]  ? rcu_softirq_qs+0x20/0x20
[  677.651704]  ? trace_hardirqs_off_caller+0x310/0x310
[  677.656812]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  677.662370]  ? check_preemption_disabled+0x48/0x280
[  677.667414]  handle_mm_fault+0x54f/0xc70
[  677.671480]  ? __handle_mm_fault+0x5be0/0x5be0
[  677.676072]  ? find_vma+0x34/0x190
[  677.679622]  __do_page_fault+0x5e8/0xe60
[  677.683700]  ? trace_hardirqs_off+0xb8/0x310
[  677.688112]  ? __ia32_sys_read+0xb0/0xb0
[  677.692183]  do_page_fault+0xf2/0x7e0
[  677.695988]  ? vmalloc_sync_all+0x30/0x30
[  677.700138]  ? error_entry+0x70/0xd0
[  677.703853]  ? trace_hardirqs_off_caller+0xbb/0x310
[  677.708871]  ? trace_hardirqs_on_caller+0xc0/0x310
[  677.713800]  ? syscall_return_slowpath+0x5e0/0x5e0
[  677.718769]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  677.723616]  ? trace_hardirqs_on_caller+0x310/0x310
[  677.728636]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  677.734112]  ? prepare_exit_to_usermode+0x291/0x3b0
[  677.739128]  ? page_fault+0x8/0x30
[  677.742672]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  677.747520]  ? page_fault+0x8/0x30
[  677.751080]  page_fault+0x1e/0x30
[  677.754531] RIP: 0033:0x45ddf3
[  677.757764] Code: Bad RIP value.
[  677.761125] RSP: 002b:000000c420023ea0 EFLAGS: 00010202
[  677.766487] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
[  677.773768] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  677.781053] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  677.788321] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  677.795587] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
[  677.802882] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304
[  677.802887] warn_alloc_show_mem: 1 callbacks suppressed
[  677.802894] Mem-Info:
[  677.810169] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  677.815534] active_anon:59588 inactive_anon:187 isolated_anon:0
[  677.815534]  active_file:13 inactive_file:14 isolated_file:0
[  677.815534]  unevictable:0 dirty:0 writeback:0 unstable:0
[  677.815534]  slab_reclaimable:10147 slab_unreclaimable:1445690
[  677.815534]  mapped:49154 shmem:244 pagetables:690 bounce:0
[  677.815534]  free:13773 free_pcp:174 free_cma:0
[  677.817916] Call Trace:
[  677.827311] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  677.860251]  <IRQ>
[  677.862822] 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
[  677.890322]  dump_stack+0x244/0x39d
[  677.892444] lowmem_reserve[]: 0 2818 6321 6321
[  677.918557]  ? dump_stack_print_info.cold.1+0x20/0x20
[  677.922161] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  677.926748]  warn_alloc.cold.116+0xb7/0x1bd
[  677.931909] lowmem_reserve[]: 0 0 3503 3503
[  677.959404]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  677.963903] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB
[  677.968225]  ? lock_downgrade+0x900/0x900
[  677.973038] lowmem_reserve[]: 0 0 0 0
[  678.001936]  ? trace_hardirqs_off+0xb8/0x310
[  678.006057] 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
[  678.009854]  ? trace_hardirqs_off+0xb8/0x310
[  678.014248] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
[  678.027809]  __alloc_pages_slowpath+0x2651/0x2de0
[  678.032190] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  678.048161]  ? warn_alloc+0x120/0x120
[  678.052960] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  678.066557]  ? print_usage_bug+0xc0/0xc0
[  678.066571]  ? warn_alloc+0x120/0x120
[  678.070353] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  678.079177]  ? warn_alloc+0x120/0x120
[  678.083213] 271 total pagecache pages
[  678.087004]  ? print_usage_bug+0xc0/0xc0
[  678.095718] 0 pages in swap cache
[  678.099511]  ? print_usage_bug+0xc0/0xc0
[  678.103315] Swap cache stats: add 0, delete 0, find 0/0
[  678.107368]  ? __lock_acquire+0x62f/0x4c20
[  678.110800] Free swap  = 0kB
[  678.114885]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  678.120219] Total swap = 0kB
[  678.124455]  ? should_fail+0x22d/0xd01
[  678.127461] 1965979 pages RAM
[  678.132988]  ? __lock_acquire+0x62f/0x4c20
[  678.135983] 0 pages HighMem/MovableOnly
[  678.139861]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  678.142945] 342854 pages reserved
[  678.147189]  ? __lock_acquire+0x62f/0x4c20
[  678.151136] 0 pages cma reserved
[  678.156226]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  678.159713] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  678.163875]  ? __lock_acquire+0x62f/0x4c20
[  678.163887]  ? should_fail+0x22d/0xd01
[  678.163910]  ? mark_held_locks+0x130/0x130
[  678.167321] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  678.172346]  ? mark_held_locks+0x130/0x130
[  678.178827] syz-fuzzer cpuset=/ mems_allowed=0
[  678.183097]  ? zap_class+0x640/0x640
[  678.214011]  ? zap_class+0x640/0x640
[  678.217728]  ? print_usage_bug+0xc0/0xc0
[  678.221804]  ? print_usage_bug+0xc0/0xc0
[  678.225867]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  678.231405]  ? check_preemption_disabled+0x48/0x280
[  678.236436]  ? __lock_is_held+0xb5/0x140
[  678.240504]  __alloc_pages_nodemask+0xad8/0xea0
[  678.245190]  ? zap_class+0x640/0x640
[  678.248913]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  678.253955]  ? find_held_lock+0x36/0x1c0
[  678.258027]  ? ____cache_alloc_node+0x1c7/0x1e0
[  678.262702]  ? lock_downgrade+0x900/0x900
[  678.266878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  678.272421]  cache_grow_begin+0xa5/0x8c0
[  678.276477]  ? do_raw_spin_unlock+0xa7/0x330
[  678.280904]  fallback_alloc+0x204/0x2e0
[  678.284882]  ____cache_alloc_node+0x1c7/0x1e0
[  678.289395]  kmem_cache_alloc_node+0xe3/0x730
[  678.293914]  ? ipv6_get_ifaddr+0x42e/0x620
[  678.298190]  __alloc_skb+0x119/0x770
[  678.301900]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  678.307180]  ? netdev_alloc_frag+0x1f0/0x1f0
[  678.311587]  ? lock_downgrade+0x900/0x900
[  678.315736]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  678.321305]  ? refcount_sub_and_test_checked+0x203/0x310
[  678.326760]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  678.332227]  ? addrconf_rs_timer+0x690/0x690
[  678.336647]  ndisc_alloc_skb+0x144/0x340
[  678.340714]  ndisc_send_rs+0x331/0x6e0
[  678.344606]  addrconf_rs_timer+0x314/0x690
[  678.348849]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  678.353091]  call_timer_fn+0x272/0x920
[  678.356988]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  678.361218]  ? process_timeout+0x40/0x40
[  678.365294]  ? __run_timers+0x7da/0xc70
[  678.369273]  ? _raw_spin_unlock_irq+0x27/0x80
[  678.373775]  ? _raw_spin_unlock_irq+0x27/0x80
[  678.378270]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  678.382513]  ? lockdep_hardirqs_on+0x296/0x5b0
[  678.387114]  ? trace_hardirqs_on+0xbd/0x310
[  678.391435]  ? kasan_check_read+0x11/0x20
[  678.395581]  ? __run_timers+0x7da/0xc70
[  678.399556]  ? trace_hardirqs_off_caller+0x310/0x310
[  678.404662]  ? tcp_compressed_ack_kick+0x220/0x220
[  678.409599]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  678.413831]  __run_timers+0x7e5/0xc70
[  678.417639]  ? timer_fixup_init+0x70/0x70
[  678.421825]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  678.426843]  ? zap_class+0x640/0x640
[  678.430562]  ? enqueue_hrtimer+0x1a5/0x560
[  678.434822]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  678.440022]  ? find_held_lock+0x36/0x1c0
[  678.444092]  ? zap_class+0x640/0x640
[  678.447810]  ? pvclock_read_flags+0x160/0x160
[  678.452316]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  678.457858]  ? check_preemption_disabled+0x48/0x280
[  678.462887]  ? __lock_is_held+0xb5/0x140
[  678.466952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  678.472491]  ? check_preemption_disabled+0x48/0x280
[  678.477511]  run_timer_softirq+0x52/0xb0
[  678.481619]  ? rcu_read_lock_sched_held+0x14f/0x180
[  678.486637]  __do_softirq+0x308/0xb7e
[  678.490442]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  678.494937]  ? lock_downgrade+0x900/0x900
[  678.499089]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  678.504211]  ? pvclock_read_flags+0x160/0x160
[  678.508707]  ? lapic_next_event+0x5a/0x90
[  678.512858]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  678.518421]  ? kvm_clock_read+0x18/0x30
[  678.522395]  ? kvm_sched_clock_read+0x9/0x20
[  678.526808]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  678.532351]  ? check_preemption_disabled+0x48/0x280
[  678.537397]  irq_exit+0x17f/0x1c0
[  678.540852]  smp_apic_timer_interrupt+0x1cb/0x760
[  678.545698]  ? smp_reschedule_interrupt+0x109/0x650
[  678.550715]  ? smp_call_function_single_interrupt+0x650/0x650
[  678.556700]  ? interrupt_entry+0xb5/0xc0
[  678.560781]  ? trace_hardirqs_off_caller+0xbb/0x310
[  678.565796]  ? trace_hardirqs_off_caller+0xbb/0x310
[  678.570832]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  678.575675]  ? trace_hardirqs_on_caller+0x310/0x310
[  678.580693]  ? trace_hardirqs_on_caller+0x310/0x310
[  678.585723]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  678.590589]  apic_timer_interrupt+0xf/0x20
[  678.594842]  </IRQ>
[  678.597086] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  678.602971] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
[  678.621872] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  678.629580] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  678.636846] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286
[  678.644113] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000
[  678.651375] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40
[  678.658646] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286
[  678.665948]  ? save_stack+0xa9/0xd0
[  678.669637]  __kmalloc_node_track_caller+0x3c/0x70
[  678.674573]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  678.679342]  pskb_expand_head+0x230/0x10f0
[  678.683579]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  678.689054]  ? memcpy+0x45/0x50
[  678.692341]  ? __copy_skb_header+0x350/0x6b0
[  678.696752]  ? skb_release_data+0x880/0x880
[  678.701076]  ? __alloc_skb+0x770/0x770
[  678.704981]  ? __lock_is_held+0xb5/0x140
[  678.709068]  ? kasan_check_write+0x14/0x20
[  678.713309]  ? __skb_clone+0x6c7/0xa00
[  678.717199]  ? __copy_skb_header+0x6b0/0x6b0
[  678.721605]  ? kmem_cache_alloc+0x33a/0x730
[  678.725958]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  678.731501]  skb_ensure_writable+0x3dd/0x640
[  678.735926]  ? skb_checksum_setup+0xaa0/0xaa0
[  678.740422]  ? preempt_notifier_register+0x200/0x200
[  678.745524]  ? __switch_to_asm+0x34/0x70
[  678.749588]  ? __switch_to_asm+0x34/0x70
[  678.753649]  ? __switch_to_asm+0x40/0x70
[  678.757709]  ? __switch_to_asm+0x34/0x70
[  678.761767]  ? __switch_to_asm+0x40/0x70
[  678.765843]  ? __switch_to_asm+0x40/0x70
[  678.769900]  ? __switch_to_asm+0x34/0x70
[  678.773988]  ? __switch_to_asm+0x34/0x70
[  678.778050]  ? __switch_to_asm+0x40/0x70
[  678.782108]  ? __switch_to_asm+0x34/0x70
[  678.786172]  bpf_clone_redirect+0x14a/0x490
[  678.790502]  bpf_prog_12ab75334035c288+0xfcd/0x1000
[  678.795521]  ? __sched_text_start+0x8/0x8
[  678.799669]  ? retint_kernel+0x2d/0x2d
[  678.803567]  ? find_held_lock+0x36/0x1c0
[  678.807671]  ? lock_acquire+0x1ed/0x520
[  678.811661]  ? bpf_test_run+0x3cb/0x780
[  678.815635]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  678.821175]  ? check_preemption_disabled+0x48/0x280
[  678.826195]  ? kasan_check_read+0x11/0x20
[  678.830339]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  678.835676]  ? rcu_softirq_qs+0x20/0x20
[  678.839649]  ? preempt_schedule+0x4d/0x60
[  678.843798]  ? ___preempt_schedule+0x16/0x18
[  678.848224]  ? bpf_test_run+0x25d/0x780
[  678.852227]  ? netlink_diag_dump+0x2a0/0x2a0
[  678.856655]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  678.862195]  ? bpf_test_init.isra.10+0x70/0x100
[  678.866910]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  678.871691]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  678.876543]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  678.882080]  ? fput+0x130/0x1a0
[  678.885365]  ? __bpf_prog_get+0x9b/0x290
[  678.889428]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  678.894271]  ? bpf_prog_test_run+0x130/0x1a0
[  678.898712]  ? __x64_sys_bpf+0x3d8/0x520
[  678.902772]  ? bpf_prog_get+0x20/0x20
[  678.906594]  ? do_syscall_64+0x1b9/0x820
[  678.910655]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  678.916025]  ? syscall_return_slowpath+0x5e0/0x5e0
[  678.920960]  ? trace_hardirqs_on_caller+0x310/0x310
[  678.925976]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  678.930991]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  678.937656]  ? __switch_to_asm+0x40/0x70
[  678.941716]  ? __switch_to_asm+0x34/0x70
[  678.945784]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  678.950637]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  678.956022] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
[  678.956098] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  678.963039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  678.963045] Call Trace:
[  678.963054]  <IRQ>
[  678.969617] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  678.978892]  dump_stack+0x244/0x39d
[  678.981455] syz-executor3 cpuset=syz3 mems_allowed=0
[  678.983599]  ? dump_stack_print_info.cold.1+0x20/0x20
[  679.007944]  warn_alloc.cold.116+0xb7/0x1bd
[  679.012262]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  679.017110]  ? lock_downgrade+0x900/0x900
[  679.021260]  ? trace_hardirqs_off+0xb8/0x310
[  679.025679]  ? trace_hardirqs_off+0xb8/0x310
[  679.030265]  __alloc_pages_slowpath+0x2651/0x2de0
[  679.035137]  ? warn_alloc+0x120/0x120
[  679.038936]  ? print_usage_bug+0xc0/0xc0
[  679.042992]  ? warn_alloc+0x120/0x120
[  679.046822]  ? warn_alloc+0x120/0x120
[  679.050636]  ? print_usage_bug+0xc0/0xc0
[  679.054727]  ? print_usage_bug+0xc0/0xc0
[  679.058801]  ? __lock_acquire+0x62f/0x4c20
[  679.063042]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  679.068580]  ? should_fail+0x22d/0xd01
[  679.072468]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  679.077585]  ? __lock_acquire+0x62f/0x4c20
[  679.081839]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  679.086945]  ? __lock_acquire+0x62f/0x4c20
[  679.091207]  ? should_fail+0x22d/0xd01
[  679.095110]  ? find_held_lock+0x36/0x1c0
[  679.099178]  ? mark_held_locks+0x130/0x130
[  679.103421]  ? mark_held_locks+0x130/0x130
[  679.107653]  ? zap_class+0x640/0x640
[  679.111389]  ? zap_class+0x640/0x640
[  679.115105]  ? print_usage_bug+0xc0/0xc0
[  679.119172]  ? do_raw_spin_unlock+0xa7/0x330
[  679.123577]  ? zap_class+0x640/0x640
[  679.127309]  ? print_usage_bug+0xc0/0xc0
[  679.131385]  ? wq_watchdog_touch+0x9c/0xfe
[  679.135635]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.141173]  ? check_preemption_disabled+0x48/0x280
[  679.146203]  ? __lock_is_held+0xb5/0x140
[  679.150268]  __alloc_pages_nodemask+0xad8/0xea0
[  679.154942]  ? zap_class+0x640/0x640
[  679.158675]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  679.163726]  ? find_held_lock+0x36/0x1c0
[  679.167793]  ? ____cache_alloc_node+0x1c7/0x1e0
[  679.172463]  ? lock_downgrade+0x900/0x900
[  679.176613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.182152]  cache_grow_begin+0xa5/0x8c0
[  679.186207]  ? do_raw_spin_unlock+0xa7/0x330
[  679.190650]  fallback_alloc+0x204/0x2e0
[  679.194682]  ____cache_alloc_node+0x1c7/0x1e0
[  679.199182]  kmem_cache_alloc_node+0xe3/0x730
[  679.203701]  ? ipv6_get_ifaddr+0x42e/0x620
[  679.207957]  __alloc_skb+0x119/0x770
[  679.211678]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  679.216973]  ? netdev_alloc_frag+0x1f0/0x1f0
[  679.221379]  ? lock_downgrade+0x900/0x900
[  679.225530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.231073]  ? refcount_sub_and_test_checked+0x203/0x310
[  679.236545]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  679.241994]  ? addrconf_rs_timer+0x690/0x690
[  679.246417]  ndisc_alloc_skb+0x144/0x340
[  679.250482]  ndisc_send_rs+0x331/0x6e0
[  679.254374]  addrconf_rs_timer+0x314/0x690
[  679.258617]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  679.262860]  call_timer_fn+0x272/0x920
[  679.266742]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  679.270989]  ? process_timeout+0x40/0x40
[  679.275089]  ? mark_held_locks+0xc7/0x130
[  679.279241]  ? _raw_spin_unlock_irq+0x27/0x80
[  679.283734]  ? _raw_spin_unlock_irq+0x27/0x80
[  679.288223]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  679.292452]  ? lockdep_hardirqs_on+0x296/0x5b0
[  679.297032]  ? trace_hardirqs_on+0xbd/0x310
[  679.301350]  ? kasan_check_read+0x11/0x20
[  679.305505]  ? __run_timers+0x7da/0xc70
[  679.309485]  ? trace_hardirqs_off_caller+0x310/0x310
[  679.314594]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  679.318865]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  679.323098]  __run_timers+0x7e5/0xc70
[  679.326952]  ? timer_fixup_init+0x70/0x70
[  679.331100]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  679.336113]  ? zap_class+0x640/0x640
[  679.339830]  ? print_usage_bug+0xc0/0xc0
[  679.343893]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  679.349092]  ? find_held_lock+0x36/0x1c0
[  679.353177]  ? zap_class+0x640/0x640
[  679.356894]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.362429]  ? check_preemption_disabled+0x48/0x280
[  679.367454]  ? __lock_is_held+0xb5/0x140
[  679.371518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.377058]  ? check_preemption_disabled+0x48/0x280
[  679.382088]  run_timer_softirq+0x52/0xb0
[  679.386163]  ? rcu_read_lock_sched_held+0x14f/0x180
[  679.391193]  __do_softirq+0x308/0xb7e
[  679.394998]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  679.399491]  ? lock_downgrade+0x900/0x900
[  679.403644]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  679.408759]  ? pvclock_read_flags+0x160/0x160
[  679.413257]  ? lapic_next_event+0x5a/0x90
[  679.417413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.422970]  ? kvm_clock_read+0x18/0x30
[  679.426942]  ? kvm_sched_clock_read+0x9/0x20
[  679.431352]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  679.436890]  ? check_preemption_disabled+0x48/0x280
[  679.441932]  irq_exit+0x17f/0x1c0
[  679.445393]  smp_apic_timer_interrupt+0x1cb/0x760
[  679.450239]  ? smp_call_function_single_interrupt+0x159/0x650
[  679.456124]  ? smp_call_function_single_interrupt+0x650/0x650
[  679.462012]  ? interrupt_entry+0xb5/0xc0
[  679.466079]  ? trace_hardirqs_off_caller+0xbb/0x310
[  679.471125]  ? trace_hardirqs_off_caller+0xbb/0x310
[  679.476145]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  679.480991]  ? trace_hardirqs_on_caller+0x310/0x310
[  679.486022]  ? trace_hardirqs_on_caller+0x310/0x310
[  679.491038]  ? task_prio+0x50/0x50
[  679.494585]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.500128]  ? check_preemption_disabled+0x48/0x280
[  679.505150]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  679.510002]  apic_timer_interrupt+0xf/0x20
[  679.514229]  </IRQ>
[  679.516466] RIP: 0010:rcu_is_watching+0x0/0x30
[  679.521049] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
[  679.539950] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  679.547655] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
[  679.554920] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
[  679.562187] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
[  679.569469] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
[  679.576739] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  679.584031]  ? list_lru_count_one+0x253/0x450
[  679.588550]  ? list_lru_count_one+0x35d/0x450
[  679.593053]  ? list_lru_count_one+0x362/0x450
[  679.597557]  ? list_lru_isolate_move+0x3c0/0x3c0
[  679.602314]  ? shmem_free_inode+0xd0/0xd0
[  679.606469]  ? __lock_is_held+0xb5/0x140
[  679.610537]  super_cache_count+0x1b9/0x2e0
[  679.614786]  do_shrink_slab+0x1b1/0xd30
[  679.618788]  ? snapshot_refaults+0x290/0x290
[  679.623207]  ? lock_release+0xa00/0xa00
[  679.627199]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  679.632144]  ? down_read_trylock+0xda/0x140
[  679.636464]  ? shrink_slab+0x207/0x8c0
[  679.640352]  ? downgrade_write+0x270/0x270
[  679.644599]  shrink_slab+0x389/0x8c0
[  679.648315]  ? shrink_active_list+0x1f00/0x1f00
[  679.652996]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  679.658627]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  679.663739]  ? cgroup_procs_write_finish+0xf0/0xf0
[  679.668678]  ? find_held_lock+0x36/0x1c0
[  679.672748]  shrink_node+0x431/0x16b0
[  679.676554]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  679.681858]  ? shrink_node_memcg+0x18f0/0x18f0
[  679.686450]  ? kvm_clock_read+0x18/0x30
[  679.690426]  ? ktime_get+0x2c1/0x400
[  679.694146]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  679.698646]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  679.704183]  ? __cpuset_node_allowed+0x19b/0x660
[  679.708945]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  679.714658]  ? delayacct_end+0x5a/0x100
[  679.718642]  do_try_to_free_pages+0x3e7/0x1290
[  679.723222]  ? zap_class+0x640/0x640
[  679.726987]  ? shrink_node+0x16b0/0x16b0
[  679.731052]  ? __lock_is_held+0xb5/0x140
[  679.735129]  try_to_free_pages+0x4d0/0xb90
[  679.739371]  ? do_try_to_free_pages+0x1290/0x1290
[  679.744277]  ? lock_acquire+0x1ed/0x520
[  679.748264]  ? set_page_refcounted+0x280/0x280
[  679.752863]  ? lock_release+0xa00/0xa00
[  679.756840]  ? _raw_spin_unlock_irq+0x60/0x80
[  679.761335]  ? psi_memstall_enter+0x240/0x2b0
[  679.765833]  ? psi_memstall_tick+0x230/0x230
[  679.770254]  __alloc_pages_slowpath+0xa48/0x2de0
[  679.775052]  ? warn_alloc+0x120/0x120
[  679.778853]  ? mark_held_locks+0x130/0x130
[  679.783096]  ? find_get_entry+0xaae/0x1120
[  679.787341]  ? filemap_map_pages+0x1a20/0x1a20
[  679.791932]  ? zap_class+0x640/0x640
[  679.795658]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.801198]  ? check_preemption_disabled+0x48/0x280
[  679.806212]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  679.811778]  ? should_fail+0x22d/0xd01
[  679.815670]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  679.820780]  ? zap_class+0x640/0x640
[  679.824522]  ? __lock_is_held+0xb5/0x140
[  679.828598]  ? mark_held_locks+0x130/0x130
[  679.832842]  ? lock_release+0xa00/0xa00
[  679.836817]  ? perf_trace_sched_process_exec+0x860/0x860
[  679.842268]  ? xa_load+0x2ba/0x460
[  679.845823]  ? lock_downgrade+0x900/0x900
[  679.849986]  ? __might_sleep+0x95/0x190
[  679.853983]  __alloc_pages_nodemask+0xad8/0xea0
[  679.858723]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  679.863738]  ? __page_cache_alloc+0x191/0x5c0
[  679.868319]  ? xa_load+0x2e1/0x460
[  679.871858]  ? xa_clear_mark+0x40/0x40
[  679.875748]  ? zap_class+0x640/0x640
[  679.879500]  ? zap_class+0x640/0x640
[  679.883215]  ? zap_class+0x640/0x640
[  679.886950]  ? __do_page_cache_readahead+0x663/0x810
[  679.892091]  ? find_held_lock+0x36/0x1c0
[  679.896160]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  679.901718]  alloc_pages_current+0x173/0x350
[  679.906146]  __page_cache_alloc+0x38c/0x5c0
[  679.910470]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  679.915401]  ? kasan_check_read+0x11/0x20
[  679.919570]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  679.924862]  ? generic_perform_write+0x6a0/0x6a0
[  679.929619]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  679.935171]  ? check_preemption_disabled+0x48/0x280
[  679.940196]  filemap_fault+0x1595/0x25f0
[  679.944297]  ? __lock_page_or_retry+0xa00/0xa00
[  679.948972]  ? mark_held_locks+0x130/0x130
[  679.953233]  ? filemap_map_pages+0xd6b/0x1a20
[  679.957762]  ? lock_downgrade+0x900/0x900
[  679.961908]  ? check_preemption_disabled+0x48/0x280
[  679.967135]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  679.972066]  ? kasan_check_read+0x11/0x20
[  679.976218]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  679.981494]  ? rcu_softirq_qs+0x20/0x20
[  679.985498]  ? filemap_map_pages+0xd92/0x1a20
[  679.990025]  ? find_get_entries_tag+0x1400/0x1400
[  679.994885]  ? debug_object_destroy+0x2b0/0x2b0
[  679.999561]  ? lock_pi_update_atomic+0x150/0x150
[  680.004334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  680.009887]  ? lock_acquire+0x1ed/0x520
[  680.013875]  ? ext4_filemap_fault+0x7a/0xad
[  680.018199]  ? lock_release+0xa00/0xa00
[  680.022170]  ? perf_trace_sched_process_exec+0x860/0x860
[  680.027619]  ? print_usage_bug+0xc0/0xc0
[  680.031681]  ? print_usage_bug+0xc0/0xc0
[  680.035761]  ? down_read+0x8d/0x120
[  680.039386]  ? ext4_filemap_fault+0x7a/0xad
[  680.043709]  ? __down_interruptible+0x700/0x700
[  680.048391]  ext4_filemap_fault+0x82/0xad
[  680.052547]  __do_fault+0x100/0x6b0
[  680.056175]  ? release_sock+0x1ec/0x2c0
[  680.060152]  ? pmd_devmap_trans_unstable+0x220/0x220
[  680.065257]  ? mark_held_locks+0x130/0x130
[  680.069502]  ? mark_held_locks+0x130/0x130
[  680.073756]  ? lock_sock_nested+0x9a/0x120
[  680.077990]  ? __release_sock+0x3a0/0x3a0
[  680.082154]  ? __local_bh_enable_ip+0x160/0x260
[  680.086835]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  680.092377]  __handle_mm_fault+0x3ea0/0x5be0
[  680.096965]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  680.101827]  ? apparmor_socket_sendmsg+0x29/0x30
[  680.106587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  680.112129]  ? security_socket_sendmsg+0x94/0xc0
[  680.116892]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  680.122441]  ? zap_class+0x640/0x640
[  680.126158]  ? zap_class+0x640/0x640
[  680.129874]  ? __x64_sys_futex+0x53e/0x6a0
[  680.134114]  ? find_held_lock+0x36/0x1c0
[  680.138187]  ? handle_mm_fault+0x42a/0xc70
[  680.142423]  ? lock_downgrade+0x900/0x900
[  680.146579]  ? check_preemption_disabled+0x48/0x280
[  680.151598]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  680.156526]  ? kasan_check_read+0x11/0x20
[  680.160692]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  680.165982]  ? rcu_softirq_qs+0x20/0x20
[  680.169953]  ? trace_hardirqs_off_caller+0x310/0x310
[  680.175059]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  680.180599]  ? check_preemption_disabled+0x48/0x280
[  680.185640]  handle_mm_fault+0x54f/0xc70
[  680.189705]  ? __handle_mm_fault+0x5be0/0x5be0
[  680.194305]  ? find_vma+0x34/0x190
[  680.197856]  __do_page_fault+0x5e8/0xe60
[  680.201918]  ? trace_hardirqs_off+0xb8/0x310
[  680.206326]  ? __ia32_sys_read+0xb0/0xb0
[  680.210413]  do_page_fault+0xf2/0x7e0
[  680.214220]  ? vmalloc_sync_all+0x30/0x30
[  680.218389]  ? error_entry+0x70/0xd0
[  680.222122]  ? trace_hardirqs_off_caller+0xbb/0x310
[  680.227141]  ? trace_hardirqs_on_caller+0xc0/0x310
[  680.232072]  ? syscall_return_slowpath+0x5e0/0x5e0
[  680.237034]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  680.241906]  ? trace_hardirqs_on_caller+0x310/0x310
[  680.246930]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  680.252388]  ? prepare_exit_to_usermode+0x291/0x3b0
[  680.257403]  ? page_fault+0x8/0x30
[  680.260946]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  680.265792]  ? page_fault+0x8/0x30
[  680.269337]  page_fault+0x1e/0x30
[  680.272784] RIP: 0033:0x45ddf3
[  680.275986] Code: Bad RIP value.
[  680.279364] RSP: 002b:000000c420023ea0 EFLAGS: 00010202
[  680.284723] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
[  680.291986] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  680.299251] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  680.306561] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  680.313843] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
[  680.321133] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304
[  680.321138] warn_alloc_show_mem: 1 callbacks suppressed
[  680.321145] Mem-Info:
[  680.328432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  680.333796] active_anon:59588 inactive_anon:187 isolated_anon:0
[  680.333796]  active_file:13 inactive_file:14 isolated_file:0
[  680.333796]  unevictable:0 dirty:0 writeback:0 unstable:0
[  680.333796]  slab_reclaimable:10147 slab_unreclaimable:1445690
[  680.333796]  mapped:49154 shmem:244 pagetables:690 bounce:0
[  680.333796]  free:13773 free_pcp:174 free_cma:0
[  680.336170] Call Trace:
[  680.345562] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  680.378490]  <IRQ>
[  680.381077] 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
[  680.408575]  dump_stack+0x244/0x39d
[  680.410696] lowmem_reserve[]: 0 2818 6321 6321
[  680.436802]  ? dump_stack_print_info.cold.1+0x20/0x20
[  680.440402] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  680.445011]  warn_alloc.cold.116+0xb7/0x1bd
[  680.450168] lowmem_reserve[]: 0 0 3503 3503
[  680.477767]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  680.482067] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB
[  680.486401]  ? lock_downgrade+0x900/0x900
[  680.491229] lowmem_reserve[]: 0 0 0 0
[  680.520117]  ? trace_hardirqs_off+0xb8/0x310
[  680.524268] 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
[  680.528105]  ? trace_hardirqs_off+0xb8/0x310
[  680.532679] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
[  680.546205]  __alloc_pages_slowpath+0x2651/0x2de0
[  680.550588] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  680.566560]  ? warn_alloc+0x120/0x120
[  680.571368] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  680.584970]  ? print_usage_bug+0xc0/0xc0
[  680.588749] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  680.597571]  ? warn_alloc+0x120/0x120
[  680.601613] 271 total pagecache pages
[  680.610178]  ? warn_alloc+0x120/0x120
[  680.613974] 0 pages in swap cache
[  680.617759]  ? print_usage_bug+0xc0/0xc0
[  680.621560] Swap cache stats: add 0, delete 0, find 0/0
[  680.625000]  ? kvm_clock_read+0x18/0x30
[  680.629034] Free swap  = 0kB
[  680.634391]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  680.638338] Total swap = 0kB
[  680.641347]  ? print_usage_bug+0xc0/0xc0
[  680.646337] 1965979 pages RAM
[  680.649349]  ? __lock_acquire+0x62f/0x4c20
[  680.653384] 0 pages HighMem/MovableOnly
[  680.656484]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  680.660694] 342854 pages reserved
[  680.664660]  ? should_fail+0x22d/0xd01
[  680.670170] 0 pages cma reserved
[  680.673618]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  680.677615] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  680.680838]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  680.686204] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  680.692615]  ? __lock_acquire+0x62f/0x4c20
[  680.697708] syz-fuzzer cpuset=/ mems_allowed=0
[  680.707929]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  680.721798]  ? __lock_acquire+0x62f/0x4c20
[  680.726033]  ? should_fail+0x22d/0xd01
[  680.729924]  ? rcu_irq_exit+0x1a2/0x390
[  680.733924]  ? mark_held_locks+0x130/0x130
[  680.738162]  ? mark_held_locks+0x130/0x130
[  680.742402]  ? mark_held_locks+0xc7/0x130
[  680.746566]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  680.751620]  ? zap_class+0x640/0x640
[  680.755362]  ? print_usage_bug+0xc0/0xc0
[  680.759423]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  680.764977]  ? check_preemption_disabled+0x48/0x280
[  680.770015]  ? __lock_is_held+0xb5/0x140
[  680.774091]  __alloc_pages_nodemask+0xad8/0xea0
[  680.778855]  ? zap_class+0x640/0x640
[  680.782574]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  680.787601]  ? find_held_lock+0x36/0x1c0
[  680.791671]  ? ____cache_alloc_node+0x1c7/0x1e0
[  680.796340]  ? lock_downgrade+0x900/0x900
[  680.800493]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  680.806034]  cache_grow_begin+0xa5/0x8c0
[  680.810098]  ? do_raw_spin_unlock+0xa7/0x330
[  680.814515]  fallback_alloc+0x204/0x2e0
[  680.818492]  ____cache_alloc_node+0x1c7/0x1e0
[  680.822994]  kmem_cache_alloc_node+0xe3/0x730
[  680.827492]  ? ipv6_get_ifaddr+0x42e/0x620
[  680.831733]  __alloc_skb+0x119/0x770
[  680.835510]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  680.840791]  ? netdev_alloc_frag+0x1f0/0x1f0
[  680.845197]  ? lock_downgrade+0x900/0x900
[  680.849365]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  680.854901]  ? refcount_sub_and_test_checked+0x203/0x310
[  680.860352]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  680.865817]  ? addrconf_rs_timer+0x690/0x690
[  680.870249]  ndisc_alloc_skb+0x144/0x340
[  680.874322]  ndisc_send_rs+0x331/0x6e0
[  680.878244]  addrconf_rs_timer+0x314/0x690
[  680.882482]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  680.886746]  call_timer_fn+0x272/0x920
[  680.890663]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  680.894901]  ? process_timeout+0x40/0x40
[  680.898970]  ? __run_timers+0x7da/0xc70
[  680.902946]  ? _raw_spin_unlock_irq+0x27/0x80
[  680.907440]  ? _raw_spin_unlock_irq+0x27/0x80
[  680.911935]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  680.916180]  ? lockdep_hardirqs_on+0x296/0x5b0
[  680.920763]  ? trace_hardirqs_on+0xbd/0x310
[  680.925084]  ? kasan_check_read+0x11/0x20
[  680.929233]  ? __run_timers+0x7da/0xc70
[  680.933207]  ? trace_hardirqs_off_caller+0x310/0x310
[  680.938320]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  680.942564]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  680.946799]  __run_timers+0x7e5/0xc70
[  680.950610]  ? timer_fixup_init+0x70/0x70
[  680.954761]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  680.959779]  ? zap_class+0x640/0x640
[  680.963497]  ? enqueue_hrtimer+0x1a5/0x560
[  680.967734]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  680.972938]  ? find_held_lock+0x36/0x1c0
[  680.977014]  ? zap_class+0x640/0x640
[  680.980799]  ? pvclock_read_flags+0x160/0x160
[  680.985306]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  680.990849]  ? check_preemption_disabled+0x48/0x280
[  680.995874]  ? __lock_is_held+0xb5/0x140
[  680.999939]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  681.005476]  ? check_preemption_disabled+0x48/0x280
[  681.010497]  run_timer_softirq+0x52/0xb0
[  681.014554]  ? rcu_read_lock_sched_held+0x14f/0x180
[  681.019590]  __do_softirq+0x308/0xb7e
[  681.023452]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  681.027959]  ? lock_downgrade+0x900/0x900
[  681.032142]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  681.037290]  ? pvclock_read_flags+0x160/0x160
[  681.041807]  ? lapic_next_event+0x5a/0x90
[  681.045976]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  681.051538]  ? kvm_clock_read+0x18/0x30
[  681.055532]  ? kvm_sched_clock_read+0x9/0x20
[  681.059943]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  681.065488]  ? check_preemption_disabled+0x48/0x280
[  681.070514]  irq_exit+0x17f/0x1c0
[  681.073969]  smp_apic_timer_interrupt+0x1cb/0x760
[  681.078811]  ? smp_reschedule_interrupt+0x109/0x650
[  681.083848]  ? smp_call_function_single_interrupt+0x650/0x650
[  681.089734]  ? interrupt_entry+0xb5/0xc0
[  681.093800]  ? trace_hardirqs_off_caller+0xbb/0x310
[  681.098815]  ? trace_hardirqs_off_caller+0xbb/0x310
[  681.103837]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  681.108683]  ? trace_hardirqs_on_caller+0x310/0x310
[  681.113716]  ? trace_hardirqs_on_caller+0x310/0x310
[  681.118751]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  681.123605]  apic_timer_interrupt+0xf/0x20
[  681.127852]  </IRQ>
[  681.130109] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  681.135998] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
[  681.154901] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  681.162634] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  681.169914] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286
[  681.177179] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000
[  681.184449] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40
[  681.191718] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286
[  681.199022]  ? save_stack+0xa9/0xd0
[  681.202665]  __kmalloc_node_track_caller+0x3c/0x70
[  681.207599]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  681.212378]  pskb_expand_head+0x230/0x10f0
[  681.216651]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  681.222108]  ? memcpy+0x45/0x50
[  681.225386]  ? __copy_skb_header+0x350/0x6b0
[  681.229795]  ? skb_release_data+0x880/0x880
[  681.234121]  ? __alloc_skb+0x770/0x770
[  681.238020]  ? __lock_is_held+0xb5/0x140
[  681.242121]  ? kasan_check_write+0x14/0x20
[  681.246365]  ? __skb_clone+0x6c7/0xa00
[  681.250255]  ? __copy_skb_header+0x6b0/0x6b0
[  681.254666]  ? kmem_cache_alloc+0x33a/0x730
[  681.258990]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  681.264534]  skb_ensure_writable+0x3dd/0x640
[  681.268948]  ? skb_checksum_setup+0xaa0/0xaa0
[  681.273451]  ? preempt_notifier_register+0x200/0x200
[  681.278552]  ? __switch_to_asm+0x34/0x70
[  681.282625]  ? __switch_to_asm+0x34/0x70
[  681.286685]  ? __switch_to_asm+0x40/0x70
[  681.290758]  ? __switch_to_asm+0x34/0x70
[  681.294817]  ? __switch_to_asm+0x40/0x70
[  681.298878]  ? __switch_to_asm+0x40/0x70
[  681.302940]  ? __switch_to_asm+0x34/0x70
[  681.307018]  ? __switch_to_asm+0x34/0x70
[  681.311080]  ? __switch_to_asm+0x40/0x70
[  681.315140]  ? __switch_to_asm+0x34/0x70
[  681.319221]  bpf_clone_redirect+0x14a/0x490
[  681.323567]  bpf_prog_12ab75334035c288+0xfcd/0x1000
[  681.328589]  ? __sched_text_start+0x8/0x8
[  681.332738]  ? retint_kernel+0x2d/0x2d
[  681.336639]  ? find_held_lock+0x36/0x1c0
[  681.340709]  ? lock_acquire+0x1ed/0x520
[  681.344687]  ? bpf_test_run+0x3cb/0x780
[  681.348662]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  681.354203]  ? check_preemption_disabled+0x48/0x280
[  681.359225]  ? kasan_check_read+0x11/0x20
[  681.363373]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  681.368654]  ? rcu_softirq_qs+0x20/0x20
[  681.372635]  ? preempt_schedule+0x4d/0x60
[  681.376788]  ? ___preempt_schedule+0x16/0x18
[  681.381204]  ? bpf_test_run+0x25d/0x780
[  681.385205]  ? netlink_diag_dump+0x2a0/0x2a0
[  681.389617]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  681.395170]  ? bpf_test_init.isra.10+0x70/0x100
[  681.399859]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  681.404629]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  681.409470]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  681.415046]  ? fput+0x130/0x1a0
[  681.418347]  ? __bpf_prog_get+0x9b/0x290
[  681.422414]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  681.427261]  ? bpf_prog_test_run+0x130/0x1a0
[  681.431683]  ? __x64_sys_bpf+0x3d8/0x520
[  681.435746]  ? bpf_prog_get+0x20/0x20
[  681.439570]  ? do_syscall_64+0x1b9/0x820
[  681.443633]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  681.449014]  ? syscall_return_slowpath+0x5e0/0x5e0
[  681.453964]  ? trace_hardirqs_on_caller+0x310/0x310
[  681.458987]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  681.464010]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  681.470684]  ? __switch_to_asm+0x40/0x70
[  681.474745]  ? __switch_to_asm+0x34/0x70
[  681.478814]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  681.483665]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  681.489050] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
[  681.489122] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  681.496075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  681.496081] Call Trace:
[  681.496102]  <IRQ>
[  681.496120]  dump_stack+0x244/0x39d
[  681.496138]  ? dump_stack_print_info.cold.1+0x20/0x20
[  681.502684] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  681.511968]  warn_alloc.cold.116+0xb7/0x1bd
[  681.514524] syz-executor3 cpuset=syz3 mems_allowed=0
[  681.516677]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  681.550216]  ? lock_downgrade+0x900/0x900
[  681.554404]  ? trace_hardirqs_off+0xb8/0x310
[  681.558822]  ? trace_hardirqs_off+0xb8/0x310
[  681.563270]  __alloc_pages_slowpath+0x2651/0x2de0
[  681.568180]  ? warn_alloc+0x120/0x120
[  681.571998]  ? print_usage_bug+0xc0/0xc0
[  681.576073]  ? warn_alloc+0x120/0x120
[  681.579898]  ? warn_alloc+0x120/0x120
[  681.583702]  ? print_usage_bug+0xc0/0xc0
[  681.587765]  ? kvm_clock_read+0x18/0x30
[  681.591740]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  681.596758]  ? print_usage_bug+0xc0/0xc0
[  681.600819]  ? __lock_acquire+0x62f/0x4c20
[  681.605065]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  681.610604]  ? should_fail+0x22d/0xd01
[  681.614492]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  681.619775]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  681.624880]  ? __lock_acquire+0x62f/0x4c20
[  681.629123]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  681.634226]  ? __lock_acquire+0x62f/0x4c20
[  681.638479]  ? should_fail+0x22d/0xd01
[  681.642362]  ? rcu_irq_exit+0x1a2/0x390
[  681.646350]  ? mark_held_locks+0x130/0x130
[  681.650627]  ? mark_held_locks+0x130/0x130
[  681.654886]  ? mark_held_locks+0xc7/0x130
[  681.659032]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  681.664048]  ? zap_class+0x640/0x640
[  681.667764]  ? print_usage_bug+0xc0/0xc0
[  681.671831]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  681.677370]  ? check_preemption_disabled+0x48/0x280
[  681.682398]  ? __lock_is_held+0xb5/0x140
[  681.686465]  __alloc_pages_nodemask+0xad8/0xea0
[  681.691129]  ? zap_class+0x640/0x640
[  681.694947]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  681.699974]  ? find_held_lock+0x36/0x1c0
[  681.704041]  ? ____cache_alloc_node+0x1c7/0x1e0
[  681.708714]  ? lock_downgrade+0x900/0x900
[  681.712882]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  681.718423]  cache_grow_begin+0xa5/0x8c0
[  681.722489]  ? do_raw_spin_unlock+0xa7/0x330
[  681.726940]  fallback_alloc+0x204/0x2e0
[  681.730923]  ____cache_alloc_node+0x1c7/0x1e0
[  681.735427]  kmem_cache_alloc_node+0xe3/0x730
[  681.739925]  ? ipv6_get_ifaddr+0x42e/0x620
[  681.744172]  __alloc_skb+0x119/0x770
[  681.747886]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  681.753181]  ? netdev_alloc_frag+0x1f0/0x1f0
[  681.757607]  ? lock_downgrade+0x900/0x900
[  681.761779]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  681.767316]  ? refcount_sub_and_test_checked+0x203/0x310
[  681.772770]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  681.778223]  ? addrconf_rs_timer+0x690/0x690
[  681.782656]  ndisc_alloc_skb+0x144/0x340
[  681.786724]  ndisc_send_rs+0x331/0x6e0
[  681.790619]  addrconf_rs_timer+0x314/0x690
[  681.794860]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  681.799108]  call_timer_fn+0x272/0x920
[  681.802996]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  681.807228]  ? process_timeout+0x40/0x40
[  681.811319]  ? mark_held_locks+0xc7/0x130
[  681.815471]  ? _raw_spin_unlock_irq+0x27/0x80
[  681.819964]  ? _raw_spin_unlock_irq+0x27/0x80
[  681.824456]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  681.828689]  ? lockdep_hardirqs_on+0x296/0x5b0
[  681.833269]  ? trace_hardirqs_on+0xbd/0x310
[  681.837611]  ? kasan_check_read+0x11/0x20
[  681.841780]  ? __run_timers+0x7da/0xc70
[  681.845756]  ? trace_hardirqs_off_caller+0x310/0x310
[  681.850903]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  681.855143]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  681.859377]  __run_timers+0x7e5/0xc70
[  681.863185]  ? timer_fixup_init+0x70/0x70
[  681.867335]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  681.872354]  ? zap_class+0x640/0x640
[  681.876071]  ? print_usage_bug+0xc0/0xc0
[  681.880136]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  681.885354]  ? find_held_lock+0x36/0x1c0
[  681.889420]  ? zap_class+0x640/0x640
[  681.893141]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  681.898681]  ? check_preemption_disabled+0x48/0x280
[  681.903710]  ? __lock_is_held+0xb5/0x140
[  681.907787]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  681.913339]  ? check_preemption_disabled+0x48/0x280
[  681.918394]  run_timer_softirq+0x52/0xb0
[  681.922459]  ? rcu_read_lock_sched_held+0x14f/0x180
[  681.927480]  __do_softirq+0x308/0xb7e
[  681.931293]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  681.935806]  ? lock_downgrade+0x900/0x900
[  681.939962]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  681.945072]  ? pvclock_read_flags+0x160/0x160
[  681.949577]  ? lapic_next_event+0x5a/0x90
[  681.953728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  681.959270]  ? kvm_clock_read+0x18/0x30
[  681.963478]  ? kvm_sched_clock_read+0x9/0x20
[  681.967893]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  681.973434]  ? check_preemption_disabled+0x48/0x280
[  681.978463]  irq_exit+0x17f/0x1c0
[  681.981919]  smp_apic_timer_interrupt+0x1cb/0x760
[  681.986795]  ? smp_call_function_single_interrupt+0x159/0x650
[  681.992681]  ? smp_call_function_single_interrupt+0x650/0x650
[  681.998567]  ? interrupt_entry+0xb5/0xc0
[  682.002631]  ? trace_hardirqs_off_caller+0xbb/0x310
[  682.007661]  ? trace_hardirqs_off_caller+0xbb/0x310
[  682.012681]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  682.017521]  ? trace_hardirqs_on_caller+0x310/0x310
[  682.022546]  ? trace_hardirqs_on_caller+0x310/0x310
[  682.027569]  ? task_prio+0x50/0x50
[  682.031124]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.036669]  ? check_preemption_disabled+0x48/0x280
[  682.041691]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  682.046566]  apic_timer_interrupt+0xf/0x20
[  682.050798]  </IRQ>
[  682.053050] RIP: 0010:rcu_is_watching+0x0/0x30
[  682.057635] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
[  682.076532] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  682.084250] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
[  682.091537] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
[  682.098973] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
[  682.106241] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
[  682.113509] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  682.120800]  ? list_lru_count_one+0x253/0x450
[  682.125325]  ? list_lru_count_one+0x35d/0x450
[  682.129825]  ? list_lru_count_one+0x362/0x450
[  682.134319]  ? list_lru_isolate_move+0x3c0/0x3c0
[  682.139073]  ? shmem_free_inode+0xd0/0xd0
[  682.143241]  ? __lock_is_held+0xb5/0x140
[  682.147333]  super_cache_count+0x1b9/0x2e0
[  682.151606]  do_shrink_slab+0x1b1/0xd30
[  682.155618]  ? snapshot_refaults+0x290/0x290
[  682.160041]  ? lock_release+0xa00/0xa00
[  682.164039]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  682.168980]  ? down_read_trylock+0xda/0x140
[  682.173319]  ? shrink_slab+0x207/0x8c0
[  682.177212]  ? downgrade_write+0x270/0x270
[  682.181470]  shrink_slab+0x389/0x8c0
[  682.185183]  ? shrink_active_list+0x1f00/0x1f00
[  682.189859]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  682.195505]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  682.200618]  ? cgroup_procs_write_finish+0xf0/0xf0
[  682.205589]  ? find_held_lock+0x36/0x1c0
[  682.209664]  shrink_node+0x431/0x16b0
[  682.213466]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  682.218768]  ? shrink_node_memcg+0x18f0/0x18f0
[  682.223371]  ? kvm_clock_read+0x18/0x30
[  682.227346]  ? ktime_get+0x2c1/0x400
[  682.231069]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  682.235573]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  682.241112]  ? __cpuset_node_allowed+0x19b/0x660
[  682.245872]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  682.251587]  ? delayacct_end+0x5a/0x100
[  682.255580]  do_try_to_free_pages+0x3e7/0x1290
[  682.260167]  ? zap_class+0x640/0x640
[  682.263898]  ? shrink_node+0x16b0/0x16b0
[  682.267976]  ? __lock_is_held+0xb5/0x140
[  682.272052]  try_to_free_pages+0x4d0/0xb90
[  682.276312]  ? do_try_to_free_pages+0x1290/0x1290
[  682.281166]  ? lock_acquire+0x1ed/0x520
[  682.285158]  ? set_page_refcounted+0x280/0x280
[  682.289749]  ? lock_release+0xa00/0xa00
[  682.293722]  ? _raw_spin_unlock_irq+0x60/0x80
[  682.298213]  ? psi_memstall_enter+0x240/0x2b0
[  682.302710]  ? psi_memstall_tick+0x230/0x230
[  682.307133]  __alloc_pages_slowpath+0xa48/0x2de0
[  682.311934]  ? warn_alloc+0x120/0x120
[  682.315745]  ? mark_held_locks+0x130/0x130
[  682.319987]  ? find_get_entry+0xaae/0x1120
[  682.324276]  ? filemap_map_pages+0x1a20/0x1a20
[  682.328889]  ? zap_class+0x640/0x640
[  682.332629]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.338180]  ? check_preemption_disabled+0x48/0x280
[  682.343196]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  682.348776]  ? should_fail+0x22d/0xd01
[  682.352681]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  682.357791]  ? zap_class+0x640/0x640
[  682.361534]  ? __lock_is_held+0xb5/0x140
[  682.365615]  ? mark_held_locks+0x130/0x130
[  682.369860]  ? lock_release+0xa00/0xa00
[  682.373837]  ? perf_trace_sched_process_exec+0x860/0x860
[  682.379296]  ? xa_load+0x2ba/0x460
[  682.382841]  ? lock_downgrade+0x900/0x900
[  682.386994]  ? __might_sleep+0x95/0x190
[  682.390981]  __alloc_pages_nodemask+0xad8/0xea0
[  682.395663]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  682.400682]  ? __page_cache_alloc+0x191/0x5c0
[  682.405176]  ? xa_load+0x2e1/0x460
[  682.408720]  ? xa_clear_mark+0x40/0x40
[  682.412614]  ? zap_class+0x640/0x640
[  682.416340]  ? zap_class+0x640/0x640
[  682.420055]  ? zap_class+0x640/0x640
[  682.423777]  ? __do_page_cache_readahead+0x663/0x810
[  682.428890]  ? find_held_lock+0x36/0x1c0
[  682.432961]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  682.438511]  alloc_pages_current+0x173/0x350
[  682.442934]  __page_cache_alloc+0x38c/0x5c0
[  682.447258]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  682.452196]  ? kasan_check_read+0x11/0x20
[  682.456348]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  682.461632]  ? generic_perform_write+0x6a0/0x6a0
[  682.466394]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  682.471935]  ? check_preemption_disabled+0x48/0x280
[  682.476962]  filemap_fault+0x1595/0x25f0
[  682.481071]  ? __lock_page_or_retry+0xa00/0xa00
[  682.485752]  ? mark_held_locks+0x130/0x130
[  682.489998]  ? filemap_map_pages+0xd6b/0x1a20
[  682.494496]  ? lock_downgrade+0x900/0x900
[  682.498648]  ? check_preemption_disabled+0x48/0x280
[  682.503668]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  682.508602]  ? kasan_check_read+0x11/0x20
[  682.512753]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  682.518059]  ? rcu_softirq_qs+0x20/0x20
[  682.522048]  ? filemap_map_pages+0xd92/0x1a20
[  682.526564]  ? find_get_entries_tag+0x1400/0x1400
[  682.531425]  ? debug_object_destroy+0x2b0/0x2b0
[  682.536099]  ? lock_pi_update_atomic+0x150/0x150
[  682.540859]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.546414]  ? lock_acquire+0x1ed/0x520
[  682.550390]  ? ext4_filemap_fault+0x7a/0xad
[  682.554720]  ? lock_release+0xa00/0xa00
[  682.558695]  ? perf_trace_sched_process_exec+0x860/0x860
[  682.564150]  ? print_usage_bug+0xc0/0xc0
[  682.568212]  ? print_usage_bug+0xc0/0xc0
[  682.572297]  ? down_read+0x8d/0x120
[  682.575922]  ? ext4_filemap_fault+0x7a/0xad
[  682.580243]  ? __down_interruptible+0x700/0x700
[  682.584925]  ext4_filemap_fault+0x82/0xad
[  682.589078]  __do_fault+0x100/0x6b0
[  682.592719]  ? release_sock+0x1ec/0x2c0
[  682.596697]  ? pmd_devmap_trans_unstable+0x220/0x220
[  682.601806]  ? mark_held_locks+0x130/0x130
[  682.606042]  ? mark_held_locks+0x130/0x130
[  682.610273]  ? lock_sock_nested+0x9a/0x120
[  682.614518]  ? __release_sock+0x3a0/0x3a0
[  682.618673]  ? __local_bh_enable_ip+0x160/0x260
[  682.623347]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  682.628895]  __handle_mm_fault+0x3ea0/0x5be0
[  682.633319]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  682.638182]  ? apparmor_socket_sendmsg+0x29/0x30
[  682.642939]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.648487]  ? security_socket_sendmsg+0x94/0xc0
[  682.657240]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.662795]  ? zap_class+0x640/0x640
[  682.666512]  ? zap_class+0x640/0x640
[  682.670229]  ? __x64_sys_futex+0x53e/0x6a0
[  682.674489]  ? find_held_lock+0x36/0x1c0
[  682.678568]  ? handle_mm_fault+0x42a/0xc70
[  682.682807]  ? lock_downgrade+0x900/0x900
[  682.686959]  ? check_preemption_disabled+0x48/0x280
[  682.691979]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  682.696915]  ? kasan_check_read+0x11/0x20
[  682.701066]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  682.706345]  ? rcu_softirq_qs+0x20/0x20
[  682.710322]  ? trace_hardirqs_off_caller+0x310/0x310
[  682.715433]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  682.720975]  ? check_preemption_disabled+0x48/0x280
[  682.726029]  handle_mm_fault+0x54f/0xc70
[  682.730100]  ? __handle_mm_fault+0x5be0/0x5be0
[  682.734689]  ? find_vma+0x34/0x190
[  682.738251]  __do_page_fault+0x5e8/0xe60
[  682.743742]  ? trace_hardirqs_off+0xb8/0x310
[  682.748183]  ? __ia32_sys_read+0xb0/0xb0
[  682.752275]  do_page_fault+0xf2/0x7e0
[  682.756101]  ? vmalloc_sync_all+0x30/0x30
[  682.760248]  ? error_entry+0x70/0xd0
[  682.763971]  ? trace_hardirqs_off_caller+0xbb/0x310
[  682.768989]  ? trace_hardirqs_on_caller+0xc0/0x310
[  682.773920]  ? syscall_return_slowpath+0x5e0/0x5e0
[  682.778851]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  682.783694]  ? trace_hardirqs_on_caller+0x310/0x310
[  682.788706]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  682.794158]  ? prepare_exit_to_usermode+0x291/0x3b0
[  682.799177]  ? page_fault+0x8/0x30
[  682.802722]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  682.807569]  ? page_fault+0x8/0x30
[  682.811110]  page_fault+0x1e/0x30
[  682.814579] RIP: 0033:0x45ddf3
[  682.817784] Code: Bad RIP value.
[  682.821147] RSP: 002b:000000c420023ea0 EFLAGS: 00010202
[  682.826508] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
[  682.833778] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  682.841042] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  682.848325] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  682.855595] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
[  682.862919] warn_alloc_show_mem: 1 callbacks suppressed
[  682.862931] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304
[  682.862933] Mem-Info:
[  682.862964] active_anon:59588 inactive_anon:187 isolated_anon:0
[  682.862964]  active_file:13 inactive_file:14 isolated_file:0
[  682.862964]  unevictable:0 dirty:0 writeback:0 unstable:0
[  682.862964]  slab_reclaimable:10147 slab_unreclaimable:1445690
[  682.862964]  mapped:49154 shmem:244 pagetables:690 bounce:0
[  682.862964]  free:13773 free_pcp:174 free_cma:0
[  682.868314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  682.875592] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  682.877992] Call Trace:
[  682.910944] 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
[  682.920295]  <IRQ>
[  682.947778] lowmem_reserve[]: 0 2818 6321 6321
[  682.950365]  dump_stack+0x244/0x39d
[  682.976448] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  682.978603]  ? dump_stack_print_info.cold.1+0x20/0x20
[  682.983157] lowmem_reserve[]: 0 0 3503 3503
[  682.986789]  warn_alloc.cold.116+0xb7/0x1bd
[  683.014258] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB
[  683.019447]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  683.023741] lowmem_reserve[]: 0 0 0 0
[  683.028059]  ? lock_downgrade+0x900/0x900
[  683.056935] 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
[  683.061779]  ? trace_hardirqs_off+0xb8/0x310
[  683.065555] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
[  683.069699]  ? trace_hardirqs_off+0xb8/0x310
[  683.083194] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  683.087601]  __alloc_pages_slowpath+0x2651/0x2de0
[  683.103530] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  683.107960]  ? warn_alloc+0x120/0x120
[  683.121553] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  683.126403]  ? warn_alloc+0x120/0x120
[  683.135214] 271 total pagecache pages
[  683.139024]  ? mark_held_locks+0x130/0x130
[  683.147580] 0 pages in swap cache
[  683.151370]  ? warn_alloc+0x120/0x120
[  683.155153] Swap cache stats: add 0, delete 0, find 0/0
[  683.159380]  ? print_usage_bug+0xc0/0xc0
[  683.162807] Free swap  = 0kB
[  683.166603]  ? print_usage_bug+0xc0/0xc0
[  683.171942] Total swap = 0kB
[  683.175999]  ? zap_class+0x640/0x640
[  683.178994] 1965979 pages RAM
[  683.183069]  ? print_usage_bug+0xc0/0xc0
[  683.186068] 0 pages HighMem/MovableOnly
[  683.189792]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  683.192887] 342854 pages reserved
[  683.196942]  ? should_fail+0x22d/0xd01
[  683.200889] 0 pages cma reserved
[  683.206418]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  683.209928] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  683.213742]  ? __lock_acquire+0x62f/0x4c20
[  683.213762]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  683.213778]  ? __lock_acquire+0x62f/0x4c20
[  683.217308] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  683.222219]  ? should_fail+0x22d/0xd01
[  683.228685] syz-fuzzer cpuset=/ mems_allowed=0
[  683.232917]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  683.265923]  ? mark_held_locks+0x130/0x130
[  683.270166]  ? mark_held_locks+0x130/0x130
[  683.274414]  ? zap_class+0x640/0x640
[  683.278171]  ? __lock_acquire+0x62f/0x4c20
[  683.282422]  ? __lock_acquire+0x62f/0x4c20
[  683.286663]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  683.292219]  ? check_preemption_disabled+0x48/0x280
[  683.297247]  ? __lock_is_held+0xb5/0x140
[  683.301345]  __alloc_pages_nodemask+0xad8/0xea0
[  683.306017]  ? zap_class+0x640/0x640
[  683.309746]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  683.314790]  ? find_held_lock+0x36/0x1c0
[  683.318863]  ? ____cache_alloc_node+0x1c7/0x1e0
[  683.323533]  ? lock_downgrade+0x900/0x900
[  683.327686]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  683.333255]  cache_grow_begin+0xa5/0x8c0
[  683.337330]  ? do_raw_spin_unlock+0xa7/0x330
[  683.341746]  fallback_alloc+0x204/0x2e0
[  683.345727]  ____cache_alloc_node+0x1c7/0x1e0
[  683.350231]  kmem_cache_alloc+0x1f8/0x730
[  683.354391]  __build_skb+0xab/0x430
[  683.358019]  ? skb_try_coalesce+0x1b70/0x1b70
[  683.362517]  ? trace_hardirqs_on+0xbd/0x310
[  683.366842]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  683.371950]  ? br_send_bpdu.isra.7.constprop.8+0xa8/0xc80
[  683.377486]  ? trace_hardirqs_off_caller+0x310/0x310
[  683.382593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  683.388132]  ? check_preemption_disabled+0x48/0x280
[  683.393159]  __netdev_alloc_skb+0x2b5/0x450
[  683.397493]  br_send_bpdu.isra.7.constprop.8+0xa8/0xc80
[  683.402856]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  683.407975]  ? mod_timer+0x631/0x1560
[  683.411786]  ? wake_up_klogd+0x180/0x180
[  683.415853]  ? br_send_bpdu_finish+0x20/0x20
[  683.420312]  ? mark_held_locks+0x130/0x130
[  683.424548]  ? __lock_acquire+0x62f/0x4c20
[  683.428784]  ? lockdep_hardirqs_on+0x240/0x5b0
[  683.433375]  ? kasan_check_read+0x11/0x20
[  683.437532]  br_send_config_bpdu+0xc9d/0x10a0
[  683.442031]  ? br_send_bpdu.isra.7.constprop.8+0xc80/0xc80
[  683.447677]  br_transmit_config+0x8cd/0xbb0
[  683.451997]  ? find_held_lock+0x36/0x1c0
[  683.456081]  ? br_get_port+0x280/0x280
[  683.459972]  ? lock_acquire+0x1ed/0x520
[  683.463946]  ? br_hello_timer_expired+0x20/0x190
[  683.468717]  ? kasan_check_read+0x11/0x20
[  683.472915]  br_config_bpdu_generation+0x16a/0x1c0
[  683.477848]  br_hello_timer_expired+0xa9/0x190
[  683.482437]  call_timer_fn+0x272/0x920
[  683.486324]  ? br_is_root_bridge+0x40/0x40
[  683.490560]  ? process_timeout+0x40/0x40
[  683.494631]  ? __run_timers+0x7da/0xc70
[  683.498640]  ? _raw_spin_unlock_irq+0x27/0x80
[  683.503138]  ? _raw_spin_unlock_irq+0x27/0x80
[  683.507660]  ? br_is_root_bridge+0x40/0x40
[  683.511898]  ? lockdep_hardirqs_on+0x296/0x5b0
[  683.516519]  ? trace_hardirqs_on+0xbd/0x310
[  683.520865]  ? kasan_check_read+0x11/0x20
[  683.525012]  ? __run_timers+0x7da/0xc70
[  683.528995]  ? trace_hardirqs_off_caller+0x310/0x310
[  683.534127]  ? br_is_root_bridge+0x40/0x40
[  683.538361]  __run_timers+0x7e5/0xc70
[  683.542174]  ? timer_fixup_init+0x70/0x70
[  683.546322]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  683.551335]  ? zap_class+0x640/0x640
[  683.555053]  ? enqueue_hrtimer+0x1a5/0x560
[  683.559303]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  683.564505]  ? find_held_lock+0x36/0x1c0
[  683.568573]  ? zap_class+0x640/0x640
[  683.572313]  ? pvclock_read_flags+0x160/0x160
[  683.576814]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  683.582353]  ? check_preemption_disabled+0x48/0x280
[  683.587378]  ? __lock_is_held+0xb5/0x140
[  683.591455]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  683.596997]  ? check_preemption_disabled+0x48/0x280
[  683.602022]  run_timer_softirq+0x52/0xb0
[  683.606098]  ? rcu_read_lock_sched_held+0x14f/0x180
[  683.611120]  __do_softirq+0x308/0xb7e
[  683.614942]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  683.619438]  ? lock_downgrade+0x900/0x900
[  683.623587]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  683.628698]  ? pvclock_read_flags+0x160/0x160
[  683.633196]  ? lapic_next_event+0x5a/0x90
[  683.637343]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  683.642882]  ? kvm_clock_read+0x18/0x30
[  683.646882]  ? kvm_sched_clock_read+0x9/0x20
[  683.651329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  683.656876]  ? check_preemption_disabled+0x48/0x280
[  683.661904]  irq_exit+0x17f/0x1c0
[  683.665361]  smp_apic_timer_interrupt+0x1cb/0x760
[  683.670202]  ? smp_reschedule_interrupt+0x109/0x650
[  683.675223]  ? smp_call_function_single_interrupt+0x650/0x650
[  683.681126]  ? interrupt_entry+0xb5/0xc0
[  683.685208]  ? trace_hardirqs_off_caller+0xbb/0x310
[  683.690225]  ? trace_hardirqs_off_caller+0xbb/0x310
[  683.695359]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  683.700202]  ? trace_hardirqs_on_caller+0x310/0x310
[  683.705308]  ? trace_hardirqs_on_caller+0x310/0x310
[  683.710346]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  683.715222]  apic_timer_interrupt+0xf/0x20
[  683.719446]  </IRQ>
[  683.721682] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  683.727578] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
[  683.746472] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  683.754175] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  683.761439] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286
[  683.768699] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000
[  683.775965] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40
[  683.783232] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286
[  683.790531]  ? save_stack+0xa9/0xd0
[  683.794166]  __kmalloc_node_track_caller+0x3c/0x70
[  683.799098]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  683.803858]  pskb_expand_head+0x230/0x10f0
[  683.808098]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  683.813551]  ? memcpy+0x45/0x50
[  683.816833]  ? __copy_skb_header+0x350/0x6b0
[  683.821243]  ? skb_release_data+0x880/0x880
[  683.825571]  ? __alloc_skb+0x770/0x770
[  683.829470]  ? __lock_is_held+0xb5/0x140
[  683.833539]  ? kasan_check_write+0x14/0x20
[  683.837767]  ? __skb_clone+0x6c7/0xa00
[  683.841651]  ? __copy_skb_header+0x6b0/0x6b0
[  683.846060]  ? kmem_cache_alloc+0x33a/0x730
[  683.850398]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  683.855967]  skb_ensure_writable+0x3dd/0x640
[  683.860392]  ? skb_checksum_setup+0xaa0/0xaa0
[  683.864890]  ? preempt_notifier_register+0x200/0x200
[  683.869987]  ? __switch_to_asm+0x34/0x70
[  683.874076]  ? __switch_to_asm+0x34/0x70
[  683.878151]  ? __switch_to_asm+0x40/0x70
[  683.882222]  ? __switch_to_asm+0x34/0x70
[  683.886288]  ? __switch_to_asm+0x40/0x70
[  683.890347]  ? __switch_to_asm+0x40/0x70
[  683.894402]  ? __switch_to_asm+0x34/0x70
[  683.898466]  ? __switch_to_asm+0x34/0x70
[  683.902532]  ? __switch_to_asm+0x40/0x70
[  683.906595]  ? __switch_to_asm+0x34/0x70
[  683.910689]  bpf_clone_redirect+0x14a/0x490
[  683.915023]  bpf_prog_12ab75334035c288+0xfcd/0x1000
[  683.920053]  ? __sched_text_start+0x8/0x8
[  683.924229]  ? retint_kernel+0x2d/0x2d
[  683.928140]  ? find_held_lock+0x36/0x1c0
[  683.932229]  ? lock_acquire+0x1ed/0x520
[  683.936223]  ? bpf_test_run+0x3cb/0x780
[  683.940201]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  683.945738]  ? check_preemption_disabled+0x48/0x280
[  683.950775]  ? kasan_check_read+0x11/0x20
[  683.954935]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  683.960215]  ? rcu_softirq_qs+0x20/0x20
[  683.964344]  ? preempt_schedule+0x4d/0x60
[  683.968494]  ? ___preempt_schedule+0x16/0x18
[  683.972916]  ? bpf_test_run+0x25d/0x780
[  683.976906]  ? netlink_diag_dump+0x2a0/0x2a0
[  683.981324]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  683.986875]  ? bpf_test_init.isra.10+0x70/0x100
[  683.991558]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  683.996328]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  684.001177]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  684.006710]  ? fput+0x130/0x1a0
[  684.010002]  ? __bpf_prog_get+0x9b/0x290
[  684.014068]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  684.018922]  ? bpf_prog_test_run+0x130/0x1a0
[  684.023327]  ? __x64_sys_bpf+0x3d8/0x520
[  684.027384]  ? bpf_prog_get+0x20/0x20
[  684.031204]  ? do_syscall_64+0x1b9/0x820
[  684.035261]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  684.040642]  ? syscall_return_slowpath+0x5e0/0x5e0
[  684.045569]  ? trace_hardirqs_on_caller+0x310/0x310
[  684.050581]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  684.055595]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  684.062260]  ? __switch_to_asm+0x40/0x70
[  684.066335]  ? __switch_to_asm+0x34/0x70
[  684.070426]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  684.075272]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  684.080699] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
[  684.080821] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  684.087731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  684.098703] syz-executor3 cpuset=syz3 mems_allowed=0
[  684.108051] Call Trace:
[  684.115706]  <IRQ>
[  684.117854]  dump_stack+0x244/0x39d
[  684.121492]  ? dump_stack_print_info.cold.1+0x20/0x20
[  684.126709]  warn_alloc.cold.116+0xb7/0x1bd
[  684.131034]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  684.135935]  ? lock_downgrade+0x900/0x900
[  684.140104]  ? trace_hardirqs_off+0xb8/0x310
[  684.144532]  ? trace_hardirqs_off+0xb8/0x310
[  684.148991]  __alloc_pages_slowpath+0x2651/0x2de0
[  684.153897]  ? warn_alloc+0x120/0x120
[  684.157717]  ? print_usage_bug+0xc0/0xc0
[  684.161779]  ? warn_alloc+0x120/0x120
[  684.165584]  ? warn_alloc+0x120/0x120
[  684.169388]  ? print_usage_bug+0xc0/0xc0
[  684.173450]  ? print_usage_bug+0xc0/0xc0
[  684.177597]  ? print_usage_bug+0xc0/0xc0
[  684.181658]  ? print_usage_bug+0xc0/0xc0
[  684.185736]  ? __lock_acquire+0x62f/0x4c20
[  684.189983]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  684.195524]  ? should_fail+0x22d/0xd01
[  684.199417]  ? __lock_acquire+0x62f/0x4c20
[  684.203658]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  684.208762]  ? __lock_acquire+0x62f/0x4c20
[  684.213004]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  684.218108]  ? __lock_acquire+0x62f/0x4c20
[  684.222343]  ? should_fail+0x22d/0xd01
[  684.226244]  ? mark_held_locks+0x130/0x130
[  684.230491]  ? mark_held_locks+0x130/0x130
[  684.234728]  ? zap_class+0x640/0x640
[  684.238453]  ? zap_class+0x640/0x640
[  684.242167]  ? print_usage_bug+0xc0/0xc0
[  684.246228]  ? wq_watchdog_touch+0x9c/0xfe
[  684.250498]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  684.256052]  ? check_preemption_disabled+0x48/0x280
[  684.261074]  ? __lock_is_held+0xb5/0x140
[  684.265143]  __alloc_pages_nodemask+0xad8/0xea0
[  684.269832]  ? zap_class+0x640/0x640
[  684.273555]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  684.278586]  ? find_held_lock+0x36/0x1c0
[  684.282681]  ? ____cache_alloc_node+0x1c7/0x1e0
[  684.287369]  ? lock_downgrade+0x900/0x900
[  684.291528]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  684.297101]  cache_grow_begin+0xa5/0x8c0
[  684.301179]  ? do_raw_spin_unlock+0xa7/0x330
[  684.305598]  fallback_alloc+0x204/0x2e0
[  684.309585]  ____cache_alloc_node+0x1c7/0x1e0
[  684.314100]  kmem_cache_alloc_node+0xe3/0x730
[  684.318596]  ? ipv6_get_ifaddr+0x42e/0x620
[  684.322845]  __alloc_skb+0x119/0x770
[  684.326561]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  684.331857]  ? netdev_alloc_frag+0x1f0/0x1f0
[  684.336269]  ? lock_downgrade+0x900/0x900
[  684.340434]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  684.346013]  ? refcount_sub_and_test_checked+0x203/0x310
[  684.351482]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  684.356950]  ? addrconf_rs_timer+0x690/0x690
[  684.361389]  ndisc_alloc_skb+0x144/0x340
[  684.365458]  ndisc_send_rs+0x331/0x6e0
[  684.369380]  addrconf_rs_timer+0x314/0x690
[  684.373649]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  684.377898]  call_timer_fn+0x272/0x920
[  684.381785]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  684.386026]  ? process_timeout+0x40/0x40
[  684.390102]  ? mark_held_locks+0xc7/0x130
[  684.394258]  ? _raw_spin_unlock_irq+0x27/0x80
[  684.398764]  ? _raw_spin_unlock_irq+0x27/0x80
[  684.403258]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  684.407503]  ? lockdep_hardirqs_on+0x296/0x5b0
[  684.412109]  ? trace_hardirqs_on+0xbd/0x310
[  684.416437]  ? kasan_check_read+0x11/0x20
[  684.420585]  ? __run_timers+0x7da/0xc70
[  684.424565]  ? trace_hardirqs_off_caller+0x310/0x310
[  684.429681]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  684.433913]  __run_timers+0x7e5/0xc70
[  684.437739]  ? timer_fixup_init+0x70/0x70
[  684.441892]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  684.446915]  ? zap_class+0x640/0x640
[  684.450639]  ? print_usage_bug+0xc0/0xc0
[  684.454705]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  684.459900]  ? find_held_lock+0x36/0x1c0
[  684.463966]  ? zap_class+0x640/0x640
[  684.467684]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  684.473220]  ? check_preemption_disabled+0x48/0x280
[  684.478247]  ? __lock_is_held+0xb5/0x140
[  684.482320]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  684.487876]  ? check_preemption_disabled+0x48/0x280
[  684.492927]  run_timer_softirq+0x52/0xb0
[  684.497020]  ? rcu_read_lock_sched_held+0x14f/0x180
[  684.502040]  __do_softirq+0x308/0xb7e
[  684.505849]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  684.510343]  ? lock_downgrade+0x900/0x900
[  684.514499]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  684.519613]  ? pvclock_read_flags+0x160/0x160
[  684.524124]  ? lapic_next_event+0x5a/0x90
[  684.528275]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  684.533829]  ? kvm_clock_read+0x18/0x30
[  684.537812]  ? kvm_sched_clock_read+0x9/0x20
[  684.542244]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  684.547783]  ? check_preemption_disabled+0x48/0x280
[  684.552812]  irq_exit+0x17f/0x1c0
[  684.556272]  smp_apic_timer_interrupt+0x1cb/0x760
[  684.561124]  ? smp_call_function_single_interrupt+0x159/0x650
[  684.567013]  ? smp_call_function_single_interrupt+0x650/0x650
[  684.572923]  ? interrupt_entry+0xb5/0xc0
[  684.576988]  ? trace_hardirqs_off_caller+0xbb/0x310
[  684.582005]  ? trace_hardirqs_off_caller+0xbb/0x310
[  684.587036]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  684.591883]  ? trace_hardirqs_on_caller+0x310/0x310
[  684.596900]  ? trace_hardirqs_on_caller+0x310/0x310
[  684.601928]  ? task_prio+0x50/0x50
[  684.605495]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  684.611035]  ? check_preemption_disabled+0x48/0x280
[  684.616072]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  684.620927]  apic_timer_interrupt+0xf/0x20
[  684.625155]  </IRQ>
[  684.627393] RIP: 0010:rcu_is_watching+0x0/0x30
[  684.631983] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
[  684.650895] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  684.658607] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
[  684.665873] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
[  684.673139] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
[  684.680445] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
[  684.687711] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  684.695003]  ? list_lru_count_one+0x253/0x450
[  684.699498]  ? list_lru_count_one+0x35d/0x450
[  684.704004]  ? list_lru_count_one+0x362/0x450
[  684.708500]  ? list_lru_isolate_move+0x3c0/0x3c0
[  684.713258]  ? shmem_free_inode+0xd0/0xd0
[  684.717464]  ? __lock_is_held+0xb5/0x140
[  684.721532]  super_cache_count+0x1b9/0x2e0
[  684.725779]  do_shrink_slab+0x1b1/0xd30
[  684.729794]  ? snapshot_refaults+0x290/0x290
[  684.734220]  ? lock_release+0xa00/0xa00
[  684.738203]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  684.743142]  ? down_read_trylock+0xda/0x140
[  684.747722]  ? shrink_slab+0x207/0x8c0
[  684.751611]  ? downgrade_write+0x270/0x270
[  684.755860]  shrink_slab+0x389/0x8c0
[  684.759577]  ? shrink_active_list+0x1f00/0x1f00
[  684.764252]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  684.769884]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  684.774994]  ? cgroup_procs_write_finish+0xf0/0xf0
[  684.779932]  ? find_held_lock+0x36/0x1c0
[  684.784003]  shrink_node+0x431/0x16b0
[  684.787806]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  684.793112]  ? shrink_node_memcg+0x18f0/0x18f0
[  684.797727]  ? kvm_clock_read+0x18/0x30
[  684.801718]  ? ktime_get+0x2c1/0x400
[  684.805450]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  684.809948]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  684.815485]  ? __cpuset_node_allowed+0x19b/0x660
[  684.820260]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  684.825976]  ? delayacct_end+0x5a/0x100
[  684.829960]  do_try_to_free_pages+0x3e7/0x1290
[  684.834562]  ? zap_class+0x640/0x640
[  684.838302]  ? shrink_node+0x16b0/0x16b0
[  684.842368]  ? __lock_is_held+0xb5/0x140
[  684.846455]  try_to_free_pages+0x4d0/0xb90
[  684.850694]  ? do_try_to_free_pages+0x1290/0x1290
[  684.855559]  ? lock_acquire+0x1ed/0x520
[  684.859534]  ? set_page_refcounted+0x280/0x280
[  684.864126]  ? lock_release+0xa00/0xa00
[  684.868103]  ? _raw_spin_unlock_irq+0x60/0x80
[  684.872614]  ? psi_memstall_enter+0x240/0x2b0
[  684.877108]  ? psi_memstall_tick+0x230/0x230
[  684.881531]  __alloc_pages_slowpath+0xa48/0x2de0
[  684.886327]  ? warn_alloc+0x120/0x120
[  684.890131]  ? mark_held_locks+0x130/0x130
[  684.894377]  ? find_get_entry+0xaae/0x1120
[  684.898654]  ? filemap_map_pages+0x1a20/0x1a20
[  684.903240]  ? zap_class+0x640/0x640
[  684.906981]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  684.912520]  ? check_preemption_disabled+0x48/0x280
[  684.917547]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  684.923107]  ? should_fail+0x22d/0xd01
[  684.927002]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  684.932106]  ? zap_class+0x640/0x640
[  684.935846]  ? __lock_is_held+0xb5/0x140
[  684.939917]  ? mark_held_locks+0x130/0x130
[  684.944153]  ? lock_release+0xa00/0xa00
[  684.948127]  ? perf_trace_sched_process_exec+0x860/0x860
[  684.953576]  ? xa_load+0x2ba/0x460
[  684.957119]  ? lock_downgrade+0x900/0x900
[  684.961314]  ? __might_sleep+0x95/0x190
[  684.965319]  __alloc_pages_nodemask+0xad8/0xea0
[  684.970029]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  684.975053]  ? __page_cache_alloc+0x191/0x5c0
[  684.979555]  ? xa_load+0x2e1/0x460
[  684.983095]  ? xa_clear_mark+0x40/0x40
[  684.987013]  ? zap_class+0x640/0x640
[  684.990768]  ? zap_class+0x640/0x640
[  684.994480]  ? zap_class+0x640/0x640
[  684.998208]  ? __do_page_cache_readahead+0x663/0x810
[  685.003324]  ? find_held_lock+0x36/0x1c0
[  685.007398]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  685.012979]  alloc_pages_current+0x173/0x350
[  685.017416]  __page_cache_alloc+0x38c/0x5c0
[  685.021739]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  685.026667]  ? kasan_check_read+0x11/0x20
[  685.030815]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  685.036095]  ? generic_perform_write+0x6a0/0x6a0
[  685.040852]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  685.046397]  ? check_preemption_disabled+0x48/0x280
[  685.051423]  filemap_fault+0x1595/0x25f0
[  685.055501]  ? __lock_page_or_retry+0xa00/0xa00
[  685.060176]  ? mark_held_locks+0x130/0x130
[  685.064420]  ? filemap_map_pages+0xd6b/0x1a20
[  685.068916]  ? lock_downgrade+0x900/0x900
[  685.073065]  ? check_preemption_disabled+0x48/0x280
[  685.078086]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  685.083016]  ? kasan_check_read+0x11/0x20
[  685.087162]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  685.092436]  ? rcu_softirq_qs+0x20/0x20
[  685.096429]  ? filemap_map_pages+0xd92/0x1a20
[  685.100939]  ? find_get_entries_tag+0x1400/0x1400
[  685.105788]  ? debug_object_destroy+0x2b0/0x2b0
[  685.110467]  ? lock_pi_update_atomic+0x150/0x150
[  685.115237]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.120813]  ? lock_acquire+0x1ed/0x520
[  685.124784]  ? ext4_filemap_fault+0x7a/0xad
[  685.129111]  ? lock_release+0xa00/0xa00
[  685.133085]  ? perf_trace_sched_process_exec+0x860/0x860
[  685.138538]  ? print_usage_bug+0xc0/0xc0
[  685.142612]  ? print_usage_bug+0xc0/0xc0
[  685.146703]  ? down_read+0x8d/0x120
[  685.150326]  ? ext4_filemap_fault+0x7a/0xad
[  685.154653]  ? __down_interruptible+0x700/0x700
[  685.159339]  ext4_filemap_fault+0x82/0xad
[  685.163509]  __do_fault+0x100/0x6b0
[  685.167143]  ? release_sock+0x1ec/0x2c0
[  685.171152]  ? pmd_devmap_trans_unstable+0x220/0x220
[  685.176256]  ? mark_held_locks+0x130/0x130
[  685.180499]  ? mark_held_locks+0x130/0x130
[  685.184730]  ? lock_sock_nested+0x9a/0x120
[  685.188960]  ? __release_sock+0x3a0/0x3a0
[  685.193137]  ? __local_bh_enable_ip+0x160/0x260
[  685.198438]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  685.203982]  __handle_mm_fault+0x3ea0/0x5be0
[  685.208402]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  685.213246]  ? apparmor_socket_sendmsg+0x29/0x30
[  685.218024]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.223566]  ? security_socket_sendmsg+0x94/0xc0
[  685.228332]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.233887]  ? zap_class+0x640/0x640
[  685.237604]  ? zap_class+0x640/0x640
[  685.241320]  ? __x64_sys_futex+0x53e/0x6a0
[  685.245565]  ? find_held_lock+0x36/0x1c0
[  685.249662]  ? handle_mm_fault+0x42a/0xc70
[  685.253900]  ? lock_downgrade+0x900/0x900
[  685.258055]  ? check_preemption_disabled+0x48/0x280
[  685.263076]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  685.268021]  ? kasan_check_read+0x11/0x20
[  685.272193]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  685.277517]  ? rcu_softirq_qs+0x20/0x20
[  685.281499]  ? trace_hardirqs_off_caller+0x310/0x310
[  685.286619]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  685.292176]  ? check_preemption_disabled+0x48/0x280
[  685.297222]  handle_mm_fault+0x54f/0xc70
[  685.301310]  ? __handle_mm_fault+0x5be0/0x5be0
[  685.305918]  ? find_vma+0x34/0x190
[  685.309468]  __do_page_fault+0x5e8/0xe60
[  685.313532]  ? trace_hardirqs_off+0xb8/0x310
[  685.317946]  ? __ia32_sys_read+0xb0/0xb0
[  685.322033]  do_page_fault+0xf2/0x7e0
[  685.325854]  ? vmalloc_sync_all+0x30/0x30
[  685.330015]  ? error_entry+0x70/0xd0
[  685.333727]  ? trace_hardirqs_off_caller+0xbb/0x310
[  685.338746]  ? trace_hardirqs_on_caller+0xc0/0x310
[  685.343681]  ? syscall_return_slowpath+0x5e0/0x5e0
[  685.348612]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  685.353464]  ? trace_hardirqs_on_caller+0x310/0x310
[  685.358481]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  685.363952]  ? prepare_exit_to_usermode+0x291/0x3b0
[  685.368969]  ? page_fault+0x8/0x30
[  685.372532]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  685.377401]  ? page_fault+0x8/0x30
[  685.380942]  page_fault+0x1e/0x30
[  685.384397] RIP: 0033:0x45ddf3
[  685.387599] Code: Bad RIP value.
[  685.390978] RSP: 002b:000000c420023ea0 EFLAGS: 00010202
[  685.396338] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
[  685.403605] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  685.410885] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  685.418150] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  685.425431] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
[  685.432733] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304
[  685.432738] warn_alloc_show_mem: 1 callbacks suppressed
[  685.432746] Mem-Info:
[  685.440020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  685.445407] active_anon:59588 inactive_anon:187 isolated_anon:0
[  685.445407]  active_file:13 inactive_file:14 isolated_file:0
[  685.445407]  unevictable:0 dirty:0 writeback:0 unstable:0
[  685.445407]  slab_reclaimable:10147 slab_unreclaimable:1445690
[  685.445407]  mapped:49154 shmem:244 pagetables:690 bounce:0
[  685.445407]  free:13773 free_pcp:174 free_cma:0
[  685.447778] Call Trace:
[  685.457190] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  685.490123]  <IRQ>
[  685.492698] 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
[  685.520197]  dump_stack+0x244/0x39d
[  685.522336] lowmem_reserve[]: 0 2818 6321 6321
[  685.548440]  ? dump_stack_print_info.cold.1+0x20/0x20
[  685.552040] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  685.556644]  warn_alloc.cold.116+0xb7/0x1bd
[  685.561799] lowmem_reserve[]: 0 0 3503 3503
[  685.589303]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  685.593603] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB
[  685.597923]  ? lock_downgrade+0x900/0x900
[  685.602737] lowmem_reserve[]: 0 0 0 0
[  685.631709]  ? trace_hardirqs_off+0xb8/0x310
[  685.635827] 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
[  685.639625]  ? trace_hardirqs_off+0xb8/0x310
[  685.644024] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
[  685.657554]  __alloc_pages_slowpath+0x2651/0x2de0
[  685.661937] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  685.677913]  ? warn_alloc+0x120/0x120
[  685.682719] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  685.696424]  ? warn_alloc+0x120/0x120
[  685.700230] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  685.709087]  ? warn_alloc+0x120/0x120
[  685.712862] 271 total pagecache pages
[  685.721435]  ? print_usage_bug+0xc0/0xc0
[  685.725216] 0 pages in swap cache
[  685.729021]  ? enqueue_hrtimer+0x1a5/0x560
[  685.733058] Swap cache stats: add 0, delete 0, find 0/0
[  685.736501]  ? print_usage_bug+0xc0/0xc0
[  685.740715] Free swap  = 0kB
[  685.746075]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  685.750115] Total swap = 0kB
[  685.753138]  ? print_usage_bug+0xc0/0xc0
[  685.758337] 1965979 pages RAM
[  685.761350]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  685.765387] 0 pages HighMem/MovableOnly
[  685.768487]  ? should_fail+0x22d/0xd01
[  685.773998] 342854 pages reserved
[  685.777997]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  685.781863] 0 pages cma reserved
[  685.785316]  ? __lock_acquire+0x62f/0x4c20
[  685.790460] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  685.793758]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  685.793771]  ? __lock_acquire+0x62f/0x4c20
[  685.793788]  ? should_fail+0x22d/0xd01
[  685.798080] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  685.804517]  ? mark_held_locks+0x130/0x130
[  685.809593] syz-fuzzer cpuset=/ mems_allowed=0
[  685.813823]  ? mark_held_locks+0x130/0x130
[  685.840954]  ? mark_held_locks+0x130/0x130
[  685.845194]  ? zap_class+0x640/0x640
[  685.848927]  ? check_preemption_disabled+0x48/0x280
[  685.853976]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  685.858479]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.864018]  ? check_preemption_disabled+0x48/0x280
[  685.869055]  ? __lock_is_held+0xb5/0x140
[  685.873128]  __alloc_pages_nodemask+0xad8/0xea0
[  685.877804]  ? zap_class+0x640/0x640
[  685.881524]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  685.886552]  ? find_held_lock+0x36/0x1c0
[  685.890626]  ? ____cache_alloc_node+0x1c7/0x1e0
[  685.895305]  ? lock_downgrade+0x900/0x900
[  685.899475]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.905020]  cache_grow_begin+0xa5/0x8c0
[  685.909090]  ? do_raw_spin_unlock+0xa7/0x330
[  685.913510]  fallback_alloc+0x204/0x2e0
[  685.917494]  ____cache_alloc_node+0x1c7/0x1e0
[  685.922007]  kmem_cache_alloc+0x1f8/0x730
[  685.926166]  __build_skb+0xab/0x430
[  685.929799]  ? skb_try_coalesce+0x1b70/0x1b70
[  685.934306]  ? trace_hardirqs_on+0xbd/0x310
[  685.938648]  ? br_send_bpdu.isra.7.constprop.8+0xa8/0xc80
[  685.944233]  ? trace_hardirqs_off_caller+0x310/0x310
[  685.949340]  ? mod_timer+0x631/0x1560
[  685.953143]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.958697]  ? check_preemption_disabled+0x48/0x280
[  685.963816]  __netdev_alloc_skb+0x2b5/0x450
[  685.968150]  br_send_bpdu.isra.7.constprop.8+0xa8/0xc80
[  685.973519]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  685.978629]  ? mod_timer+0x631/0x1560
[  685.982429]  ? wake_up_klogd+0x180/0x180
[  685.986492]  ? br_send_bpdu_finish+0x20/0x20
[  685.990909]  ? mark_held_locks+0x130/0x130
[  685.995144]  ? __lock_acquire+0x62f/0x4c20
[  685.999378]  ? lockdep_hardirqs_on+0x240/0x5b0
[  686.003969]  ? kasan_check_read+0x11/0x20
[  686.008126]  br_send_config_bpdu+0xc9d/0x10a0
[  686.012630]  ? br_send_bpdu.isra.7.constprop.8+0xc80/0xc80
[  686.018254]  ? round_jiffies+0x11c/0x170
[  686.022356]  br_transmit_config+0x8cd/0xbb0
[  686.026678]  ? find_held_lock+0x36/0x1c0
[  686.030760]  ? br_get_port+0x280/0x280
[  686.034656]  ? lock_acquire+0x1ed/0x520
[  686.038660]  ? br_hello_timer_expired+0x20/0x190
[  686.043453]  ? kasan_check_read+0x11/0x20
[  686.047630]  br_config_bpdu_generation+0x16a/0x1c0
[  686.052556]  br_hello_timer_expired+0xa9/0x190
[  686.057170]  call_timer_fn+0x272/0x920
[  686.061060]  ? br_is_root_bridge+0x40/0x40
[  686.065304]  ? process_timeout+0x40/0x40
[  686.069374]  ? __run_timers+0x7da/0xc70
[  686.073353]  ? _raw_spin_unlock_irq+0x27/0x80
[  686.077848]  ? _raw_spin_unlock_irq+0x27/0x80
[  686.082341]  ? br_is_root_bridge+0x40/0x40
[  686.086578]  ? lockdep_hardirqs_on+0x296/0x5b0
[  686.091184]  ? trace_hardirqs_on+0xbd/0x310
[  686.096019]  ? kasan_check_read+0x11/0x20
[  686.100186]  ? __run_timers+0x7da/0xc70
[  686.104178]  ? trace_hardirqs_off_caller+0x310/0x310
[  686.109301]  ? br_is_root_bridge+0x40/0x40
[  686.113537]  __run_timers+0x7e5/0xc70
[  686.117363]  ? timer_fixup_init+0x70/0x70
[  686.121517]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  686.126535]  ? zap_class+0x640/0x640
[  686.130258]  ? enqueue_hrtimer+0x1a5/0x560
[  686.134503]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  686.139702]  ? find_held_lock+0x36/0x1c0
[  686.143775]  ? zap_class+0x640/0x640
[  686.147495]  ? pvclock_read_flags+0x160/0x160
[  686.152002]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  686.157543]  ? check_preemption_disabled+0x48/0x280
[  686.162584]  ? __lock_is_held+0xb5/0x140
[  686.166662]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  686.172203]  ? check_preemption_disabled+0x48/0x280
[  686.177228]  run_timer_softirq+0x52/0xb0
[  686.181299]  ? rcu_read_lock_sched_held+0x14f/0x180
[  686.186323]  __do_softirq+0x308/0xb7e
[  686.190130]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  686.194623]  ? lock_downgrade+0x900/0x900
[  686.198777]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  686.203890]  ? pvclock_read_flags+0x160/0x160
[  686.208403]  ? lapic_next_event+0x5a/0x90
[  686.212557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  686.218106]  ? kvm_clock_read+0x18/0x30
[  686.222085]  ? kvm_sched_clock_read+0x9/0x20
[  686.226499]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  686.232039]  ? check_preemption_disabled+0x48/0x280
[  686.237094]  irq_exit+0x17f/0x1c0
[  686.240582]  smp_apic_timer_interrupt+0x1cb/0x760
[  686.245429]  ? smp_reschedule_interrupt+0x109/0x650
[  686.250450]  ? smp_call_function_single_interrupt+0x650/0x650
[  686.256337]  ? interrupt_entry+0xb5/0xc0
[  686.260401]  ? trace_hardirqs_off_caller+0xbb/0x310
[  686.265417]  ? trace_hardirqs_off_caller+0xbb/0x310
[  686.270434]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  686.275333]  ? trace_hardirqs_on_caller+0x310/0x310
[  686.280345]  ? trace_hardirqs_on_caller+0x310/0x310
[  686.285374]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  686.290225]  apic_timer_interrupt+0xf/0x20
[  686.294468]  </IRQ>
[  686.296717] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  686.302610] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
[  686.321508] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  686.329216] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  686.336486] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286
[  686.343754] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000
[  686.351029] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40
[  686.358305] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286
[  686.365783]  ? save_stack+0xa9/0xd0
[  686.369422]  __kmalloc_node_track_caller+0x3c/0x70
[  686.374358]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  686.379122]  pskb_expand_head+0x230/0x10f0
[  686.383361]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  686.388818]  ? memcpy+0x45/0x50
[  686.392105]  ? __copy_skb_header+0x350/0x6b0
[  686.396515]  ? skb_release_data+0x880/0x880
[  686.400839]  ? __alloc_skb+0x770/0x770
[  686.404738]  ? __lock_is_held+0xb5/0x140
[  686.408807]  ? kasan_check_write+0x14/0x20
[  686.413066]  ? __skb_clone+0x6c7/0xa00
[  686.416961]  ? __copy_skb_header+0x6b0/0x6b0
[  686.421368]  ? kmem_cache_alloc+0x33a/0x730
[  686.425694]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  686.431272]  skb_ensure_writable+0x3dd/0x640
[  686.435719]  ? skb_checksum_setup+0xaa0/0xaa0
[  686.440219]  ? preempt_notifier_register+0x200/0x200
[  686.445323]  ? __switch_to_asm+0x34/0x70
[  686.449385]  ? __switch_to_asm+0x34/0x70
[  686.453449]  ? __switch_to_asm+0x40/0x70
[  686.457508]  ? __switch_to_asm+0x34/0x70
[  686.461569]  ? __switch_to_asm+0x40/0x70
[  686.465630]  ? __switch_to_asm+0x40/0x70
[  686.469704]  ? __switch_to_asm+0x34/0x70
[  686.473779]  ? __switch_to_asm+0x34/0x70
[  686.477839]  ? __switch_to_asm+0x40/0x70
[  686.481900]  ? __switch_to_asm+0x34/0x70
[  686.485971]  bpf_clone_redirect+0x14a/0x490
[  686.490312]  bpf_prog_12ab75334035c288+0xfcd/0x1000
[  686.495337]  ? __sched_text_start+0x8/0x8
[  686.499490]  ? retint_kernel+0x2d/0x2d
[  686.503389]  ? find_held_lock+0x36/0x1c0
[  686.507462]  ? lock_acquire+0x1ed/0x520
[  686.511437]  ? bpf_test_run+0x3cb/0x780
[  686.515416]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  686.520957]  ? check_preemption_disabled+0x48/0x280
[  686.525983]  ? kasan_check_read+0x11/0x20
[  686.530136]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  686.535415]  ? rcu_softirq_qs+0x20/0x20
[  686.539399]  ? preempt_schedule+0x4d/0x60
[  686.543549]  ? ___preempt_schedule+0x16/0x18
[  686.547967]  ? bpf_test_run+0x25d/0x780
[  686.551956]  ? netlink_diag_dump+0x2a0/0x2a0
[  686.556369]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  686.561906]  ? bpf_test_init.isra.10+0x70/0x100
[  686.566595]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  686.571367]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  686.576222]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  686.581771]  ? fput+0x130/0x1a0
[  686.585074]  ? __bpf_prog_get+0x9b/0x290
[  686.589153]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  686.593997]  ? bpf_prog_test_run+0x130/0x1a0
[  686.598412]  ? __x64_sys_bpf+0x3d8/0x520
[  686.602504]  ? bpf_prog_get+0x20/0x20
[  686.606332]  ? do_syscall_64+0x1b9/0x820
[  686.610423]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  686.615794]  ? syscall_return_slowpath+0x5e0/0x5e0
[  686.620730]  ? trace_hardirqs_on_caller+0x310/0x310
[  686.625753]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  686.630777]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  686.637442]  ? __switch_to_asm+0x40/0x70
[  686.641504]  ? __switch_to_asm+0x34/0x70
[  686.645574]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  686.650424]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  686.655814] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
[  686.655991] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  686.662852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  686.673340] syz-executor3 cpuset=syz3 mems_allowed=0
[  686.682681] Call Trace:
[  686.690344]  <IRQ>
[  686.692502]  dump_stack+0x244/0x39d
[  686.696137]  ? dump_stack_print_info.cold.1+0x20/0x20
[  686.701347]  warn_alloc.cold.116+0xb7/0x1bd
[  686.705689]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  686.710556]  ? lock_downgrade+0x900/0x900
[  686.714715]  ? trace_hardirqs_off+0xb8/0x310
[  686.719134]  ? trace_hardirqs_off+0xb8/0x310
[  686.723560]  __alloc_pages_slowpath+0x2651/0x2de0
[  686.728449]  ? warn_alloc+0x120/0x120
[  686.732250]  ? print_usage_bug+0xc0/0xc0
[  686.736320]  ? warn_alloc+0x120/0x120
[  686.740129]  ? warn_alloc+0x120/0x120
[  686.743934]  ? print_usage_bug+0xc0/0xc0
[  686.748000]  ? print_usage_bug+0xc0/0xc0
[  686.752065]  ? __lock_acquire+0x62f/0x4c20
[  686.756318]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  686.761857]  ? should_fail+0x22d/0xd01
[  686.765749]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  686.770855]  ? __lock_acquire+0x62f/0x4c20
[  686.775094]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  686.780195]  ? __lock_acquire+0x62f/0x4c20
[  686.784431]  ? should_fail+0x22d/0xd01
[  686.788319]  ? find_held_lock+0x36/0x1c0
[  686.792417]  ? mark_held_locks+0x130/0x130
[  686.796677]  ? mark_held_locks+0x130/0x130
[  686.800912]  ? zap_class+0x640/0x640
[  686.804629]  ? zap_class+0x640/0x640
[  686.808347]  ? print_usage_bug+0xc0/0xc0
[  686.812411]  ? do_raw_spin_unlock+0xa7/0x330
[  686.816820]  ? zap_class+0x640/0x640
[  686.820533]  ? print_usage_bug+0xc0/0xc0
[  686.824600]  ? wq_watchdog_touch+0x9c/0xfe
[  686.828841]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  686.834383]  ? check_preemption_disabled+0x48/0x280
[  686.839411]  ? __lock_is_held+0xb5/0x140
[  686.843480]  __alloc_pages_nodemask+0xad8/0xea0
[  686.848170]  ? zap_class+0x640/0x640
[  686.851894]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  686.856925]  ? find_held_lock+0x36/0x1c0
[  686.860999]  ? ____cache_alloc_node+0x1c7/0x1e0
[  686.865669]  ? lock_downgrade+0x900/0x900
[  686.869855]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  686.875403]  cache_grow_begin+0xa5/0x8c0
[  686.879464]  ? do_raw_spin_unlock+0xa7/0x330
[  686.883884]  fallback_alloc+0x204/0x2e0
[  686.887865]  ____cache_alloc_node+0x1c7/0x1e0
[  686.892369]  kmem_cache_alloc_node+0xe3/0x730
[  686.896865]  ? ipv6_get_ifaddr+0x42e/0x620
[  686.901115]  __alloc_skb+0x119/0x770
[  686.904829]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  686.910142]  ? netdev_alloc_frag+0x1f0/0x1f0
[  686.914557]  ? lock_downgrade+0x900/0x900
[  686.918714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  686.924254]  ? refcount_sub_and_test_checked+0x203/0x310
[  686.929720]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  686.935193]  ? addrconf_rs_timer+0x690/0x690
[  686.939635]  ndisc_alloc_skb+0x144/0x340
[  686.943706]  ndisc_send_rs+0x331/0x6e0
[  686.947600]  addrconf_rs_timer+0x314/0x690
[  686.951840]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  686.956087]  call_timer_fn+0x272/0x920
[  686.959976]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  686.964210]  ? process_timeout+0x40/0x40
[  686.968292]  ? mark_held_locks+0xc7/0x130
[  686.972458]  ? _raw_spin_unlock_irq+0x27/0x80
[  686.976951]  ? _raw_spin_unlock_irq+0x27/0x80
[  686.981444]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  686.985692]  ? lockdep_hardirqs_on+0x296/0x5b0
[  686.990273]  ? trace_hardirqs_on+0xbd/0x310
[  686.994605]  ? kasan_check_read+0x11/0x20
[  686.998754]  ? __run_timers+0x7da/0xc70
[  687.002730]  ? trace_hardirqs_off_caller+0x310/0x310
[  687.007841]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  687.012086]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  687.016321]  __run_timers+0x7e5/0xc70
[  687.020138]  ? timer_fixup_init+0x70/0x70
[  687.024297]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  687.029324]  ? zap_class+0x640/0x640
[  687.033050]  ? print_usage_bug+0xc0/0xc0
[  687.037148]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  687.042352]  ? find_held_lock+0x36/0x1c0
[  687.046419]  ? zap_class+0x640/0x640
[  687.050159]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.055699]  ? check_preemption_disabled+0x48/0x280
[  687.060726]  ? __lock_is_held+0xb5/0x140
[  687.064790]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.070332]  ? check_preemption_disabled+0x48/0x280
[  687.075358]  run_timer_softirq+0x52/0xb0
[  687.079436]  ? rcu_read_lock_sched_held+0x14f/0x180
[  687.084455]  __do_softirq+0x308/0xb7e
[  687.088260]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  687.092763]  ? lock_downgrade+0x900/0x900
[  687.096916]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  687.102028]  ? pvclock_read_flags+0x160/0x160
[  687.106525]  ? lapic_next_event+0x5a/0x90
[  687.110685]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.116229]  ? kvm_clock_read+0x18/0x30
[  687.120222]  ? kvm_sched_clock_read+0x9/0x20
[  687.124633]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  687.130197]  ? check_preemption_disabled+0x48/0x280
[  687.135225]  irq_exit+0x17f/0x1c0
[  687.138685]  smp_apic_timer_interrupt+0x1cb/0x760
[  687.143531]  ? smp_call_function_single_interrupt+0x159/0x650
[  687.149423]  ? smp_call_function_single_interrupt+0x650/0x650
[  687.155311]  ? interrupt_entry+0xb5/0xc0
[  687.159380]  ? trace_hardirqs_off_caller+0xbb/0x310
[  687.164395]  ? trace_hardirqs_off_caller+0xbb/0x310
[  687.169417]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  687.174262]  ? trace_hardirqs_on_caller+0x310/0x310
[  687.179293]  ? trace_hardirqs_on_caller+0x310/0x310
[  687.184316]  ? task_prio+0x50/0x50
[  687.187863]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.193407]  ? check_preemption_disabled+0x48/0x280
[  687.198432]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  687.203301]  apic_timer_interrupt+0xf/0x20
[  687.207531]  </IRQ>
[  687.209776] RIP: 0010:rcu_is_watching+0x0/0x30
[  687.214362] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
[  687.233262] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  687.240977] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
[  687.248245] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
[  687.255510] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
[  687.262780] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
[  687.270046] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  687.277342]  ? list_lru_count_one+0x253/0x450
[  687.281838]  ? list_lru_count_one+0x35d/0x450
[  687.286383]  ? list_lru_count_one+0x362/0x450
[  687.290880]  ? list_lru_isolate_move+0x3c0/0x3c0
[  687.295636]  ? shmem_free_inode+0xd0/0xd0
[  687.299789]  ? __lock_is_held+0xb5/0x140
[  687.303859]  super_cache_count+0x1b9/0x2e0
[  687.308116]  do_shrink_slab+0x1b1/0xd30
[  687.312131]  ? snapshot_refaults+0x290/0x290
[  687.316550]  ? lock_release+0xa00/0xa00
[  687.320535]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  687.325482]  ? down_read_trylock+0xda/0x140
[  687.329805]  ? shrink_slab+0x207/0x8c0
[  687.333694]  ? downgrade_write+0x270/0x270
[  687.337941]  shrink_slab+0x389/0x8c0
[  687.341658]  ? shrink_active_list+0x1f00/0x1f00
[  687.346370]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  687.352001]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  687.357146]  ? cgroup_procs_write_finish+0xf0/0xf0
[  687.362087]  ? find_held_lock+0x36/0x1c0
[  687.366157]  shrink_node+0x431/0x16b0
[  687.369958]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  687.375261]  ? shrink_node_memcg+0x18f0/0x18f0
[  687.379859]  ? kvm_clock_read+0x18/0x30
[  687.383837]  ? ktime_get+0x2c1/0x400
[  687.387564]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  687.392069]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  687.397611]  ? __cpuset_node_allowed+0x19b/0x660
[  687.402370]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  687.408083]  ? delayacct_end+0x5a/0x100
[  687.412071]  do_try_to_free_pages+0x3e7/0x1290
[  687.416656]  ? zap_class+0x640/0x640
[  687.420388]  ? shrink_node+0x16b0/0x16b0
[  687.424453]  ? __lock_is_held+0xb5/0x140
[  687.428550]  try_to_free_pages+0x4d0/0xb90
[  687.432792]  ? do_try_to_free_pages+0x1290/0x1290
[  687.437650]  ? lock_acquire+0x1ed/0x520
[  687.441624]  ? set_page_refcounted+0x280/0x280
[  687.446212]  ? lock_release+0xa00/0xa00
[  687.450218]  ? _raw_spin_unlock_irq+0x60/0x80
[  687.454751]  ? psi_memstall_enter+0x240/0x2b0
[  687.459251]  ? psi_memstall_tick+0x230/0x230
[  687.463681]  __alloc_pages_slowpath+0xa48/0x2de0
[  687.468467]  ? warn_alloc+0x120/0x120
[  687.472269]  ? mark_held_locks+0x130/0x130
[  687.476522]  ? find_get_entry+0xaae/0x1120
[  687.480774]  ? filemap_map_pages+0x1a20/0x1a20
[  687.485366]  ? zap_class+0x640/0x640
[  687.489089]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.494661]  ? check_preemption_disabled+0x48/0x280
[  687.499678]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  687.505235]  ? should_fail+0x22d/0xd01
[  687.509148]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  687.514257]  ? zap_class+0x640/0x640
[  687.518014]  ? __lock_is_held+0xb5/0x140
[  687.522084]  ? mark_held_locks+0x130/0x130
[  687.526340]  ? lock_release+0xa00/0xa00
[  687.530364]  ? perf_trace_sched_process_exec+0x860/0x860
[  687.535817]  ? xa_load+0x2ba/0x460
[  687.539393]  ? lock_downgrade+0x900/0x900
[  687.543554]  ? __might_sleep+0x95/0x190
[  687.547535]  __alloc_pages_nodemask+0xad8/0xea0
[  687.552233]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  687.557306]  ? __page_cache_alloc+0x191/0x5c0
[  687.561799]  ? xa_load+0x2e1/0x460
[  687.565341]  ? xa_clear_mark+0x40/0x40
[  687.569234]  ? zap_class+0x640/0x640
[  687.572956]  ? zap_class+0x640/0x640
[  687.576670]  ? zap_class+0x640/0x640
[  687.580388]  ? __do_page_cache_readahead+0x663/0x810
[  687.585498]  ? find_held_lock+0x36/0x1c0
[  687.589585]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  687.595151]  alloc_pages_current+0x173/0x350
[  687.599606]  __page_cache_alloc+0x38c/0x5c0
[  687.603963]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  687.608893]  ? kasan_check_read+0x11/0x20
[  687.613052]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  687.618335]  ? generic_perform_write+0x6a0/0x6a0
[  687.623108]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  687.628660]  ? check_preemption_disabled+0x48/0x280
[  687.633717]  filemap_fault+0x1595/0x25f0
[  687.637796]  ? __lock_page_or_retry+0xa00/0xa00
[  687.642468]  ? mark_held_locks+0x130/0x130
[  687.646712]  ? filemap_map_pages+0xd6b/0x1a20
[  687.651207]  ? lock_downgrade+0x900/0x900
[  687.655362]  ? check_preemption_disabled+0x48/0x280
[  687.660380]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  687.665316]  ? kasan_check_read+0x11/0x20
[  687.669466]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  687.674747]  ? rcu_softirq_qs+0x20/0x20
[  687.678735]  ? filemap_map_pages+0xd92/0x1a20
[  687.683255]  ? find_get_entries_tag+0x1400/0x1400
[  687.688115]  ? debug_object_destroy+0x2b0/0x2b0
[  687.692804]  ? lock_pi_update_atomic+0x150/0x150
[  687.697579]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.703130]  ? lock_acquire+0x1ed/0x520
[  687.707102]  ? ext4_filemap_fault+0x7a/0xad
[  687.711431]  ? lock_release+0xa00/0xa00
[  687.715423]  ? perf_trace_sched_process_exec+0x860/0x860
[  687.720880]  ? print_usage_bug+0xc0/0xc0
[  687.724943]  ? print_usage_bug+0xc0/0xc0
[  687.729016]  ? down_read+0x8d/0x120
[  687.732643]  ? ext4_filemap_fault+0x7a/0xad
[  687.736968]  ? __down_interruptible+0x700/0x700
[  687.741648]  ext4_filemap_fault+0x82/0xad
[  687.745798]  __do_fault+0x100/0x6b0
[  687.749429]  ? release_sock+0x1ec/0x2c0
[  687.753413]  ? pmd_devmap_trans_unstable+0x220/0x220
[  687.758520]  ? mark_held_locks+0x130/0x130
[  687.762767]  ? mark_held_locks+0x130/0x130
[  687.767002]  ? lock_sock_nested+0x9a/0x120
[  687.771325]  ? __release_sock+0x3a0/0x3a0
[  687.775476]  ? __local_bh_enable_ip+0x160/0x260
[  687.780151]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  687.785699]  __handle_mm_fault+0x3ea0/0x5be0
[  687.790124]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  687.794968]  ? apparmor_socket_sendmsg+0x29/0x30
[  687.799729]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.805267]  ? security_socket_sendmsg+0x94/0xc0
[  687.810050]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.815625]  ? zap_class+0x640/0x640
[  687.819354]  ? zap_class+0x640/0x640
[  687.823081]  ? __x64_sys_futex+0x53e/0x6a0
[  687.827326]  ? find_held_lock+0x36/0x1c0
[  687.831397]  ? handle_mm_fault+0x42a/0xc70
[  687.835651]  ? lock_downgrade+0x900/0x900
[  687.839848]  ? check_preemption_disabled+0x48/0x280
[  687.844870]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  687.849814]  ? kasan_check_read+0x11/0x20
[  687.853980]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  687.859257]  ? rcu_softirq_qs+0x20/0x20
[  687.863237]  ? trace_hardirqs_off_caller+0x310/0x310
[  687.868347]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  687.873886]  ? check_preemption_disabled+0x48/0x280
[  687.878928]  handle_mm_fault+0x54f/0xc70
[  687.882996]  ? __handle_mm_fault+0x5be0/0x5be0
[  687.887619]  ? find_vma+0x34/0x190
[  687.891168]  __do_page_fault+0x5e8/0xe60
[  687.895245]  ? trace_hardirqs_off+0xb8/0x310
[  687.899657]  ? __ia32_sys_read+0xb0/0xb0
[  687.903751]  do_page_fault+0xf2/0x7e0
[  687.907563]  ? vmalloc_sync_all+0x30/0x30
[  687.911715]  ? error_entry+0x70/0xd0
[  687.915430]  ? trace_hardirqs_off_caller+0xbb/0x310
[  687.920476]  ? trace_hardirqs_on_caller+0xc0/0x310
[  687.925405]  ? syscall_return_slowpath+0x5e0/0x5e0
[  687.930333]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  687.935198]  ? trace_hardirqs_on_caller+0x310/0x310
[  687.940230]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  687.945687]  ? prepare_exit_to_usermode+0x291/0x3b0
[  687.950704]  ? page_fault+0x8/0x30
[  687.954266]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  687.959166]  ? page_fault+0x8/0x30
[  687.962956]  page_fault+0x1e/0x30
[  687.966411] RIP: 0033:0x45ddf3
[  687.969618] Code: Bad RIP value.
[  687.972979] RSP: 002b:000000c420023ea0 EFLAGS: 00010202
[  687.978358] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
[  687.985628] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  687.992895] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  688.000162] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  688.007432] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
[  688.014731] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304
[  688.014737] warn_alloc_show_mem: 1 callbacks suppressed
[  688.014744] Mem-Info:
[  688.022017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  688.027389] active_anon:59588 inactive_anon:187 isolated_anon:0
[  688.027389]  active_file:13 inactive_file:14 isolated_file:0
[  688.027389]  unevictable:0 dirty:0 writeback:0 unstable:0
[  688.027389]  slab_reclaimable:10147 slab_unreclaimable:1445690
[  688.027389]  mapped:49154 shmem:244 pagetables:690 bounce:0
[  688.027389]  free:13773 free_pcp:174 free_cma:0
[  688.029761] Call Trace:
[  688.039153] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  688.072106]  <IRQ>
[  688.074679] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  688.102701]  dump_stack+0x244/0x39d
[  688.104826] lowmem_reserve[]: 0 2818 6321 6321
[  688.130954]  ? dump_stack_print_info.cold.1+0x20/0x20
[  688.134574] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  688.139153]  warn_alloc.cold.116+0xb7/0x1bd
[  688.144317] lowmem_reserve[]: 0 0 3503 3503
[  688.171814]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  688.176111] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB
[  688.180450]  ? lock_downgrade+0x900/0x900
[  688.185266] lowmem_reserve[]: 0 0 0 0
[  688.214180]  ? trace_hardirqs_off+0xb8/0x310
[  688.218307] 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
[  688.222107]  ? trace_hardirqs_off+0xb8/0x310
[  688.226489] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
[  688.240014]  __alloc_pages_slowpath+0x2651/0x2de0
[  688.244397] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  688.260375]  ? warn_alloc+0x120/0x120
[  688.265174] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  688.278774]  ? warn_alloc+0x120/0x120
[  688.282553] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  688.291377]  ? warn_alloc+0x120/0x120
[  688.295155] 271 total pagecache pages
[  688.303745]  ? print_usage_bug+0xc0/0xc0
[  688.307534] 0 pages in swap cache
[  688.311338]  ? print_usage_bug+0xc0/0xc0
[  688.315379] Swap cache stats: add 0, delete 0, find 0/0
[  688.318821]  ? print_usage_bug+0xc0/0xc0
[  688.322861] Free swap  = 0kB
[  688.328264]  ? mark_held_locks+0x130/0x130
[  688.332320] Total swap = 0kB
[  688.335337]  ? check_preemption_disabled+0x48/0x280
[  688.339549] 1965979 pages RAM
[  688.342579]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  688.347568] 0 pages HighMem/MovableOnly
[  688.350669]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  688.355135] 342854 pages reserved
[  688.359103]  ? should_fail+0x22d/0xd01
[  688.364612] 0 pages cma reserved
[  688.368095]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  688.372026] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  688.375321]  ? __lock_acquire+0x62f/0x4c20
[  688.375340]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  688.375356]  ? __lock_acquire+0x62f/0x4c20
[  688.380538] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  688.386926]  ? should_fail+0x22d/0xd01
[  688.391174] syz-fuzzer cpuset=/ mems_allowed=0
[  688.396275]  ? mark_held_locks+0x130/0x130
[  688.423432]  ? mark_held_locks+0x130/0x130
[  688.427668]  ? try_to_wake_up+0x11c/0x1490
[  688.431910]  ? lock_downgrade+0x900/0x900
[  688.436069]  ? zap_class+0x640/0x640
[  688.439787]  ? print_usage_bug+0xc0/0xc0
[  688.443867]  ? trace_hardirqs_off+0xb8/0x310
[  688.448277]  ? kasan_check_read+0x11/0x20
[  688.452440]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  688.457995]  ? check_preemption_disabled+0x48/0x280
[  688.463035]  ? __lock_is_held+0xb5/0x140
[  688.467123]  __alloc_pages_nodemask+0xad8/0xea0
[  688.471796]  ? zap_class+0x640/0x640
[  688.475515]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  688.480574]  ? find_held_lock+0x36/0x1c0
[  688.484648]  ? ____cache_alloc_node+0x1c7/0x1e0
[  688.489335]  ? lock_downgrade+0x900/0x900
[  688.493491]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  688.499037]  cache_grow_begin+0xa5/0x8c0
[  688.503100]  ? do_raw_spin_unlock+0xa7/0x330
[  688.507517]  fallback_alloc+0x204/0x2e0
[  688.511497]  ____cache_alloc_node+0x1c7/0x1e0
[  688.516004]  kmem_cache_alloc_node+0xe3/0x730
[  688.520506]  ? ipv6_get_ifaddr+0x42e/0x620
[  688.524756]  __alloc_skb+0x119/0x770
[  688.528477]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  688.533777]  ? netdev_alloc_frag+0x1f0/0x1f0
[  688.538209]  ? lock_downgrade+0x900/0x900
[  688.542368]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  688.547911]  ? refcount_sub_and_test_checked+0x203/0x310
[  688.553372]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  688.558829]  ? addrconf_rs_timer+0x690/0x690
[  688.563264]  ndisc_alloc_skb+0x144/0x340
[  688.567357]  ndisc_send_rs+0x331/0x6e0
[  688.571251]  addrconf_rs_timer+0x314/0x690
[  688.575514]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  688.579766]  call_timer_fn+0x272/0x920
[  688.583657]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  688.587895]  ? process_timeout+0x40/0x40
[  688.591980]  ? __run_timers+0x7da/0xc70
[  688.595993]  ? _raw_spin_unlock_irq+0x27/0x80
[  688.600487]  ? _raw_spin_unlock_irq+0x27/0x80
[  688.604981]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  688.609249]  ? lockdep_hardirqs_on+0x296/0x5b0
[  688.613840]  ? trace_hardirqs_on+0xbd/0x310
[  688.618169]  ? kasan_check_read+0x11/0x20
[  688.622321]  ? __run_timers+0x7da/0xc70
[  688.626307]  ? trace_hardirqs_off_caller+0x310/0x310
[  688.631419]  ? __queue_work+0x1440/0x1440
[  688.635587]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  688.639837]  __run_timers+0x7e5/0xc70
[  688.643648]  ? timer_fixup_init+0x70/0x70
[  688.647803]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  688.652821]  ? zap_class+0x640/0x640
[  688.656541]  ? enqueue_hrtimer+0x1a5/0x560
[  688.660776]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  688.665978]  ? find_held_lock+0x36/0x1c0
[  688.670059]  ? zap_class+0x640/0x640
[  688.673793]  ? pvclock_read_flags+0x160/0x160
[  688.678317]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  688.683861]  ? check_preemption_disabled+0x48/0x280
[  688.688889]  ? __lock_is_held+0xb5/0x140
[  688.692964]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  688.698518]  ? check_preemption_disabled+0x48/0x280
[  688.703555]  run_timer_softirq+0x52/0xb0
[  688.707616]  ? rcu_read_lock_sched_held+0x14f/0x180
[  688.712634]  __do_softirq+0x308/0xb7e
[  688.716439]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  688.720932]  ? lock_downgrade+0x900/0x900
[  688.725090]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  688.730203]  ? pvclock_read_flags+0x160/0x160
[  688.734702]  ? lapic_next_event+0x5a/0x90
[  688.738853]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  688.744403]  ? kvm_clock_read+0x18/0x30
[  688.748381]  ? kvm_sched_clock_read+0x9/0x20
[  688.752797]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  688.758337]  ? check_preemption_disabled+0x48/0x280
[  688.763362]  irq_exit+0x17f/0x1c0
[  688.766820]  smp_apic_timer_interrupt+0x1cb/0x760
[  688.771664]  ? smp_reschedule_interrupt+0x109/0x650
[  688.776681]  ? smp_call_function_single_interrupt+0x650/0x650
[  688.782584]  ? interrupt_entry+0xb5/0xc0
[  688.786647]  ? trace_hardirqs_off_caller+0xbb/0x310
[  688.791661]  ? trace_hardirqs_off_caller+0xbb/0x310
[  688.796679]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  688.801523]  ? trace_hardirqs_on_caller+0x310/0x310
[  688.806557]  ? trace_hardirqs_on_caller+0x310/0x310
[  688.811589]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  688.816440]  apic_timer_interrupt+0xf/0x20
[  688.820685]  </IRQ>
[  688.822926] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  688.828815] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
[  688.847716] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  688.855421] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  688.862691] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286
[  688.869960] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000
[  688.877226] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40
[  688.884495] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286
[  688.891799]  ? save_stack+0xa9/0xd0
[  688.895436]  __kmalloc_node_track_caller+0x3c/0x70
[  688.900375]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  688.905153]  pskb_expand_head+0x230/0x10f0
[  688.909397]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  688.914851]  ? memcpy+0x45/0x50
[  688.918137]  ? __copy_skb_header+0x350/0x6b0
[  688.922550]  ? skb_release_data+0x880/0x880
[  688.926873]  ? __alloc_skb+0x770/0x770
[  688.930772]  ? __lock_is_held+0xb5/0x140
[  688.934842]  ? kasan_check_write+0x14/0x20
[  688.939113]  ? __skb_clone+0x6c7/0xa00
[  688.943036]  ? __copy_skb_header+0x6b0/0x6b0
[  688.947450]  ? kmem_cache_alloc+0x33a/0x730
[  688.951777]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  688.957329]  skb_ensure_writable+0x3dd/0x640
[  688.961747]  ? skb_checksum_setup+0xaa0/0xaa0
[  688.966244]  ? preempt_notifier_register+0x200/0x200
[  688.971349]  ? __switch_to_asm+0x34/0x70
[  688.975414]  ? __switch_to_asm+0x34/0x70
[  688.979486]  ? __switch_to_asm+0x40/0x70
[  688.983589]  ? __switch_to_asm+0x34/0x70
[  688.987666]  ? __switch_to_asm+0x40/0x70
[  688.991728]  ? __switch_to_asm+0x40/0x70
[  688.995786]  ? __switch_to_asm+0x34/0x70
[  688.999846]  ? __switch_to_asm+0x34/0x70
[  689.003950]  ? __switch_to_asm+0x40/0x70
[  689.008009]  ? __switch_to_asm+0x34/0x70
[  689.012085]  bpf_clone_redirect+0x14a/0x490
[  689.016420]  bpf_prog_12ab75334035c288+0xfcd/0x1000
[  689.021440]  ? __sched_text_start+0x8/0x8
[  689.025592]  ? retint_kernel+0x2d/0x2d
[  689.029490]  ? find_held_lock+0x36/0x1c0
[  689.033569]  ? lock_acquire+0x1ed/0x520
[  689.037546]  ? bpf_test_run+0x3cb/0x780
[  689.041523]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  689.047067]  ? check_preemption_disabled+0x48/0x280
[  689.052095]  ? kasan_check_read+0x11/0x20
[  689.056247]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  689.061531]  ? rcu_softirq_qs+0x20/0x20
[  689.065513]  ? preempt_schedule+0x4d/0x60
[  689.069665]  ? ___preempt_schedule+0x16/0x18
[  689.074086]  ? bpf_test_run+0x25d/0x780
[  689.078082]  ? netlink_diag_dump+0x2a0/0x2a0
[  689.082513]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  689.088061]  ? bpf_test_init.isra.10+0x70/0x100
[  689.092736]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  689.097522]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  689.102367]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  689.107903]  ? fput+0x130/0x1a0
[  689.111188]  ? __bpf_prog_get+0x9b/0x290
[  689.115256]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  689.120109]  ? bpf_prog_test_run+0x130/0x1a0
[  689.124536]  ? __x64_sys_bpf+0x3d8/0x520
[  689.128600]  ? bpf_prog_get+0x20/0x20
[  689.132437]  ? do_syscall_64+0x1b9/0x820
[  689.136497]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  689.141865]  ? syscall_return_slowpath+0x5e0/0x5e0
[  689.146816]  ? trace_hardirqs_on_caller+0x310/0x310
[  689.151834]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  689.156860]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  689.163526]  ? __switch_to_asm+0x40/0x70
[  689.167595]  ? __switch_to_asm+0x34/0x70
[  689.171679]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  689.176545]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  689.181961] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
[  689.182080] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  689.189000] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  689.189005] Call Trace:
[  689.189012]  <IRQ>
[  689.189030]  dump_stack+0x244/0x39d
[  689.189069]  ? dump_stack_print_info.cold.1+0x20/0x20
[  689.195686] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  689.204933]  warn_alloc.cold.116+0xb7/0x1bd
[  689.207489] syz-executor3 cpuset=syz3 mems_allowed=0
[  689.209637]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  689.243120]  ? lock_downgrade+0x900/0x900
[  689.247290]  ? trace_hardirqs_off+0xb8/0x310
[  689.251707]  ? trace_hardirqs_off+0xb8/0x310
[  689.256144]  __alloc_pages_slowpath+0x2651/0x2de0
[  689.261017]  ? warn_alloc+0x120/0x120
[  689.264853]  ? print_usage_bug+0xc0/0xc0
[  689.268919]  ? warn_alloc+0x120/0x120
[  689.272741]  ? warn_alloc+0x120/0x120
[  689.276560]  ? print_usage_bug+0xc0/0xc0
[  689.280623]  ? print_usage_bug+0xc0/0xc0
[  689.284688]  ? print_usage_bug+0xc0/0xc0
[  689.288786]  ? __lock_acquire+0x62f/0x4c20
[  689.293030]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  689.298600]  ? should_fail+0x22d/0xd01
[  689.302490]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  689.307592]  ? __lock_acquire+0x62f/0x4c20
[  689.311828]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  689.316929]  ? __lock_acquire+0x62f/0x4c20
[  689.321165]  ? should_fail+0x22d/0xd01
[  689.325066]  ? mark_held_locks+0x130/0x130
[  689.329342]  ? mark_held_locks+0x130/0x130
[  689.333591]  ? zap_class+0x640/0x640
[  689.337328]  ? zap_class+0x640/0x640
[  689.341045]  ? print_usage_bug+0xc0/0xc0
[  689.345111]  ? wq_watchdog_touch+0x9c/0xfe
[  689.349351]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  689.354908]  ? check_preemption_disabled+0x48/0x280
[  689.359936]  ? __lock_is_held+0xb5/0x140
[  689.364020]  __alloc_pages_nodemask+0xad8/0xea0
[  689.368705]  ? zap_class+0x640/0x640
[  689.372425]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  689.377453]  ? find_held_lock+0x36/0x1c0
[  689.381526]  ? ____cache_alloc_node+0x1c7/0x1e0
[  689.386235]  ? lock_downgrade+0x900/0x900
[  689.390393]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  689.395938]  cache_grow_begin+0xa5/0x8c0
[  689.400008]  ? do_raw_spin_unlock+0xa7/0x330
[  689.404456]  fallback_alloc+0x204/0x2e0
[  689.408442]  ____cache_alloc_node+0x1c7/0x1e0
[  689.412944]  kmem_cache_alloc_node+0xe3/0x730
[  689.417441]  ? ipv6_get_ifaddr+0x42e/0x620
[  689.421689]  __alloc_skb+0x119/0x770
[  689.425405]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  689.430690]  ? netdev_alloc_frag+0x1f0/0x1f0
[  689.435130]  ? lock_downgrade+0x900/0x900
[  689.439295]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  689.444841]  ? refcount_sub_and_test_checked+0x203/0x310
[  689.450311]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  689.455764]  ? addrconf_rs_timer+0x690/0x690
[  689.460188]  ndisc_alloc_skb+0x144/0x340
[  689.464256]  ndisc_send_rs+0x331/0x6e0
[  689.468159]  addrconf_rs_timer+0x314/0x690
[  689.472405]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  689.476664]  call_timer_fn+0x272/0x920
[  689.480576]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  689.484814]  ? process_timeout+0x40/0x40
[  689.488905]  ? mark_held_locks+0xc7/0x130
[  689.493055]  ? _raw_spin_unlock_irq+0x27/0x80
[  689.497555]  ? _raw_spin_unlock_irq+0x27/0x80
[  689.502074]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  689.506357]  ? lockdep_hardirqs_on+0x296/0x5b0
[  689.510943]  ? trace_hardirqs_on+0xbd/0x310
[  689.515265]  ? kasan_check_read+0x11/0x20
[  689.519426]  ? __run_timers+0x7da/0xc70
[  689.523401]  ? trace_hardirqs_off_caller+0x310/0x310
[  689.528527]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  689.532767]  __run_timers+0x7e5/0xc70
[  689.536585]  ? timer_fixup_init+0x70/0x70
[  689.540735]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  689.545754]  ? zap_class+0x640/0x640
[  689.549475]  ? print_usage_bug+0xc0/0xc0
[  689.553546]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  689.558743]  ? find_held_lock+0x36/0x1c0
[  689.562825]  ? zap_class+0x640/0x640
[  689.566586]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  689.572142]  ? check_preemption_disabled+0x48/0x280
[  689.577183]  ? __lock_is_held+0xb5/0x140
[  689.581280]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  689.586830]  ? check_preemption_disabled+0x48/0x280
[  689.591852]  run_timer_softirq+0x52/0xb0
[  689.595913]  ? rcu_read_lock_sched_held+0x14f/0x180
[  689.600948]  __do_softirq+0x308/0xb7e
[  689.604755]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  689.609254]  ? lock_downgrade+0x900/0x900
[  689.613416]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  689.618527]  ? pvclock_read_flags+0x160/0x160
[  689.623028]  ? lapic_next_event+0x5a/0x90
[  689.627181]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  689.632724]  ? kvm_clock_read+0x18/0x30
[  689.636718]  ? kvm_sched_clock_read+0x9/0x20
[  689.641157]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  689.646712]  ? check_preemption_disabled+0x48/0x280
[  689.651760]  irq_exit+0x17f/0x1c0
[  689.655218]  smp_apic_timer_interrupt+0x1cb/0x760
[  689.660076]  ? smp_call_function_single_interrupt+0x159/0x650
[  689.665980]  ? smp_call_function_single_interrupt+0x650/0x650
[  689.671868]  ? interrupt_entry+0xb5/0xc0
[  689.675937]  ? trace_hardirqs_off_caller+0xbb/0x310
[  689.680983]  ? trace_hardirqs_off_caller+0xbb/0x310
[  689.686013]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  689.690869]  ? trace_hardirqs_on_caller+0x310/0x310
[  689.695901]  ? trace_hardirqs_on_caller+0x310/0x310
[  689.700918]  ? task_prio+0x50/0x50
[  689.704463]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  689.710001]  ? check_preemption_disabled+0x48/0x280
[  689.715028]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  689.719898]  apic_timer_interrupt+0xf/0x20
[  689.724131]  </IRQ>
[  689.726371] RIP: 0010:rcu_is_watching+0x0/0x30
[  689.730953] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
[  689.749854] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  689.757564] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
[  689.764869] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
[  689.772135] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
[  689.779412] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
[  689.786680] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  689.793993]  ? list_lru_count_one+0x253/0x450
[  689.798503]  ? list_lru_count_one+0x35d/0x450
[  689.803003]  ? list_lru_count_one+0x362/0x450
[  689.807537]  ? list_lru_isolate_move+0x3c0/0x3c0
[  689.812303]  ? shmem_free_inode+0xd0/0xd0
[  689.816454]  ? __lock_is_held+0xb5/0x140
[  689.820529]  super_cache_count+0x1b9/0x2e0
[  689.824808]  do_shrink_slab+0x1b1/0xd30
[  689.828798]  ? snapshot_refaults+0x290/0x290
[  689.833210]  ? lock_release+0xa00/0xa00
[  689.837207]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  689.842153]  ? down_read_trylock+0xda/0x140
[  689.846474]  ? shrink_slab+0x207/0x8c0
[  689.850365]  ? downgrade_write+0x270/0x270
[  689.854615]  shrink_slab+0x389/0x8c0
[  689.858380]  ? shrink_active_list+0x1f00/0x1f00
[  689.863054]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  689.868698]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  689.873820]  ? cgroup_procs_write_finish+0xf0/0xf0
[  689.878791]  ? find_held_lock+0x36/0x1c0
[  689.882853]  shrink_node+0x431/0x16b0
[  689.886669]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  689.891988]  ? shrink_node_memcg+0x18f0/0x18f0
[  689.896579]  ? kvm_clock_read+0x18/0x30
[  689.900562]  ? ktime_get+0x2c1/0x400
[  689.904310]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  689.908813]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  689.914349]  ? __cpuset_node_allowed+0x19b/0x660
[  689.919145]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  689.924859]  ? delayacct_end+0x5a/0x100
[  689.928864]  do_try_to_free_pages+0x3e7/0x1290
[  689.933450]  ? zap_class+0x640/0x640
[  689.937195]  ? shrink_node+0x16b0/0x16b0
[  689.941258]  ? __lock_is_held+0xb5/0x140
[  689.945339]  try_to_free_pages+0x4d0/0xb90
[  689.949616]  ? do_try_to_free_pages+0x1290/0x1290
[  689.954474]  ? lock_acquire+0x1ed/0x520
[  689.958462]  ? set_page_refcounted+0x280/0x280
[  689.963333]  ? lock_release+0xa00/0xa00
[  689.967319]  ? _raw_spin_unlock_irq+0x60/0x80
[  689.971815]  ? psi_memstall_enter+0x240/0x2b0
[  689.976317]  ? psi_memstall_tick+0x230/0x230
[  689.980738]  __alloc_pages_slowpath+0xa48/0x2de0
[  689.985526]  ? warn_alloc+0x120/0x120
[  689.989331]  ? mark_held_locks+0x130/0x130
[  689.993577]  ? find_get_entry+0xaae/0x1120
[  689.997826]  ? filemap_map_pages+0x1a20/0x1a20
[  690.002439]  ? zap_class+0x640/0x640
[  690.006163]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.011701]  ? check_preemption_disabled+0x48/0x280
[  690.016717]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  690.022261]  ? should_fail+0x22d/0xd01
[  690.026162]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  690.031299]  ? zap_class+0x640/0x640
[  690.035073]  ? __lock_is_held+0xb5/0x140
[  690.039163]  ? mark_held_locks+0x130/0x130
[  690.043414]  ? lock_release+0xa00/0xa00
[  690.047390]  ? perf_trace_sched_process_exec+0x860/0x860
[  690.052843]  ? xa_load+0x2ba/0x460
[  690.056391]  ? lock_downgrade+0x900/0x900
[  690.060560]  ? __might_sleep+0x95/0x190
[  690.064547]  __alloc_pages_nodemask+0xad8/0xea0
[  690.069237]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  690.074252]  ? __page_cache_alloc+0x191/0x5c0
[  690.078764]  ? xa_load+0x2e1/0x460
[  690.082305]  ? xa_clear_mark+0x40/0x40
[  690.086195]  ? zap_class+0x640/0x640
[  690.089915]  ? zap_class+0x640/0x640
[  690.093710]  ? zap_class+0x640/0x640
[  690.097417]  ? __do_page_cache_readahead+0x663/0x810
[  690.102531]  ? find_held_lock+0x36/0x1c0
[  690.106604]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  690.112180]  alloc_pages_current+0x173/0x350
[  690.116600]  __page_cache_alloc+0x38c/0x5c0
[  690.120950]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  690.125891]  ? kasan_check_read+0x11/0x20
[  690.130035]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  690.135322]  ? generic_perform_write+0x6a0/0x6a0
[  690.140083]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  690.145625]  ? check_preemption_disabled+0x48/0x280
[  690.150655]  filemap_fault+0x1595/0x25f0
[  690.154730]  ? __lock_page_or_retry+0xa00/0xa00
[  690.159419]  ? mark_held_locks+0x130/0x130
[  690.163679]  ? filemap_map_pages+0xd6b/0x1a20
[  690.168191]  ? lock_downgrade+0x900/0x900
[  690.172348]  ? check_preemption_disabled+0x48/0x280
[  690.177365]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  690.182299]  ? kasan_check_read+0x11/0x20
[  690.186463]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  690.191742]  ? rcu_softirq_qs+0x20/0x20
[  690.195730]  ? filemap_map_pages+0xd92/0x1a20
[  690.200249]  ? find_get_entries_tag+0x1400/0x1400
[  690.205106]  ? debug_object_destroy+0x2b0/0x2b0
[  690.209779]  ? lock_pi_update_atomic+0x150/0x150
[  690.214537]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.220107]  ? lock_acquire+0x1ed/0x520
[  690.224079]  ? ext4_filemap_fault+0x7a/0xad
[  690.228405]  ? lock_release+0xa00/0xa00
[  690.232382]  ? perf_trace_sched_process_exec+0x860/0x860
[  690.237833]  ? print_usage_bug+0xc0/0xc0
[  690.241909]  ? print_usage_bug+0xc0/0xc0
[  690.246045]  ? down_read+0x8d/0x120
[  690.249678]  ? ext4_filemap_fault+0x7a/0xad
[  690.254016]  ? __down_interruptible+0x700/0x700
[  690.258698]  ext4_filemap_fault+0x82/0xad
[  690.262933]  __do_fault+0x100/0x6b0
[  690.266573]  ? release_sock+0x1ec/0x2c0
[  690.270558]  ? pmd_devmap_trans_unstable+0x220/0x220
[  690.275666]  ? mark_held_locks+0x130/0x130
[  690.279924]  ? mark_held_locks+0x130/0x130
[  690.284184]  ? lock_sock_nested+0x9a/0x120
[  690.288422]  ? __release_sock+0x3a0/0x3a0
[  690.292588]  ? __local_bh_enable_ip+0x160/0x260
[  690.297267]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  690.302816]  __handle_mm_fault+0x3ea0/0x5be0
[  690.307232]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  690.312110]  ? apparmor_socket_sendmsg+0x29/0x30
[  690.316864]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.322406]  ? security_socket_sendmsg+0x94/0xc0
[  690.327165]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.332719]  ? zap_class+0x640/0x640
[  690.336451]  ? zap_class+0x640/0x640
[  690.340167]  ? __x64_sys_futex+0x53e/0x6a0
[  690.344408]  ? find_held_lock+0x36/0x1c0
[  690.348481]  ? handle_mm_fault+0x42a/0xc70
[  690.352732]  ? lock_downgrade+0x900/0x900
[  690.356884]  ? check_preemption_disabled+0x48/0x280
[  690.361902]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  690.366830]  ? kasan_check_read+0x11/0x20
[  690.370976]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  690.376253]  ? rcu_softirq_qs+0x20/0x20
[  690.380233]  ? trace_hardirqs_off_caller+0x310/0x310
[  690.385350]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  690.390887]  ? check_preemption_disabled+0x48/0x280
[  690.395910]  handle_mm_fault+0x54f/0xc70
[  690.399975]  ? __handle_mm_fault+0x5be0/0x5be0
[  690.404569]  ? find_vma+0x34/0x190
[  690.408116]  __do_page_fault+0x5e8/0xe60
[  690.412176]  ? trace_hardirqs_off+0xb8/0x310
[  690.416589]  ? __ia32_sys_read+0xb0/0xb0
[  690.420660]  do_page_fault+0xf2/0x7e0
[  690.424461]  ? vmalloc_sync_all+0x30/0x30
[  690.428613]  ? error_entry+0x70/0xd0
[  690.432333]  ? trace_hardirqs_off_caller+0xbb/0x310
[  690.437347]  ? trace_hardirqs_on_caller+0xc0/0x310
[  690.442315]  ? syscall_return_slowpath+0x5e0/0x5e0
[  690.447244]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  690.452098]  ? trace_hardirqs_on_caller+0x310/0x310
[  690.457117]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  690.462578]  ? prepare_exit_to_usermode+0x291/0x3b0
[  690.467622]  ? page_fault+0x8/0x30
[  690.471163]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  690.476010]  ? page_fault+0x8/0x30
[  690.479558]  page_fault+0x1e/0x30
[  690.483012] RIP: 0033:0x45ddf3
[  690.486217] Code: Bad RIP value.
[  690.489583] RSP: 002b:000000c420023ea0 EFLAGS: 00010202
[  690.494943] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
[  690.502209] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  690.509494] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  690.516774] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  690.524219] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
[  690.531530] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304
[  690.531540] warn_alloc_show_mem: 1 callbacks suppressed
[  690.531552] Mem-Info:
[  690.538907] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  690.544312] active_anon:59588 inactive_anon:187 isolated_anon:0
[  690.544312]  active_file:13 inactive_file:14 isolated_file:0
[  690.544312]  unevictable:0 dirty:0 writeback:0 unstable:0
[  690.544312]  slab_reclaimable:10147 slab_unreclaimable:1445690
[  690.544312]  mapped:49154 shmem:244 pagetables:690 bounce:0
[  690.544312]  free:13773 free_pcp:174 free_cma:0
[  690.546684] Call Trace:
[  690.556078] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  690.589035]  <IRQ>
[  690.591635] 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
[  690.619149]  dump_stack+0x244/0x39d
[  690.621269] lowmem_reserve[]: 0 2818 6321 6321
[  690.647431]  ? dump_stack_print_info.cold.1+0x20/0x20
[  690.651030] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  690.655619]  warn_alloc.cold.116+0xb7/0x1bd
[  690.660791] lowmem_reserve[]: 0 0 3503 3503
[  690.688326]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  690.692621] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB
[  690.696937]  ? lock_downgrade+0x900/0x900
[  690.701752] lowmem_reserve[]: 0 0 0 0
[  690.730637]  ? trace_hardirqs_off+0xb8/0x310
[  690.734756] 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
[  690.738587]  ? trace_hardirqs_off+0xb8/0x310
[  690.742974] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
[  690.756511]  __alloc_pages_slowpath+0x2651/0x2de0
[  690.760891] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  690.776861]  ? warn_alloc+0x120/0x120
[  690.781663] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  690.795263]  ? print_usage_bug+0xc0/0xc0
[  690.799048] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  690.807880]  ? warn_alloc+0x120/0x120
[  690.811921] 271 total pagecache pages
[  690.820489]  ? warn_alloc+0x120/0x120
[  690.824271] 0 pages in swap cache
[  690.828070]  ? print_usage_bug+0xc0/0xc0
[  690.831849] Swap cache stats: add 0, delete 0, find 0/0
[  690.835302]  ? kvm_clock_read+0x18/0x30
[  690.839343] Free swap  = 0kB
[  690.844700]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  690.848647] Total swap = 0kB
[  690.851662]  ? print_usage_bug+0xc0/0xc0
[  690.856663] 1965979 pages RAM
[  690.859679]  ? __lock_acquire+0x62f/0x4c20
[  690.863731] 0 pages HighMem/MovableOnly
[  690.866830]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  690.871040] 342854 pages reserved
[  690.875026]  ? should_fail+0x22d/0xd01
[  690.880541] 0 pages cma reserved
[  690.883989]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  690.887943] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  690.891225]  ? __lock_acquire+0x62f/0x4c20
[  690.896411] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  690.902800]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  690.907010] syz-fuzzer cpuset=/ mems_allowed=0
[  690.917233]  ? __lock_acquire+0x62f/0x4c20
[  690.931103]  ? should_fail+0x22d/0xd01
[  690.935035]  ? mark_held_locks+0x130/0x130
[  690.939307]  ? mark_held_locks+0x130/0x130
[  690.943554]  ? zap_class+0x640/0x640
[  690.947272]  ? print_usage_bug+0xc0/0xc0
[  690.951363]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.956904]  ? check_preemption_disabled+0x48/0x280
[  690.961934]  ? __lock_is_held+0xb5/0x140
[  690.966009]  __alloc_pages_nodemask+0xad8/0xea0
[  690.970685]  ? zap_class+0x640/0x640
[  690.974410]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  690.979440]  ? find_held_lock+0x36/0x1c0
[  690.983530]  ? ____cache_alloc_node+0x1c7/0x1e0
[  690.988214]  ? lock_downgrade+0x900/0x900
[  690.992385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.997927]  cache_grow_begin+0xa5/0x8c0
[  691.001992]  ? do_raw_spin_unlock+0xa7/0x330
[  691.006408]  fallback_alloc+0x204/0x2e0
[  691.010407]  ____cache_alloc_node+0x1c7/0x1e0
[  691.014912]  kmem_cache_alloc_node+0xe3/0x730
[  691.019408]  ? ipv6_get_ifaddr+0x42e/0x620
[  691.023653]  __alloc_skb+0x119/0x770
[  691.027364]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  691.032676]  ? netdev_alloc_frag+0x1f0/0x1f0
[  691.037080]  ? lock_downgrade+0x900/0x900
[  691.041233]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  691.046772]  ? refcount_sub_and_test_checked+0x203/0x310
[  691.052225]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  691.057672]  ? addrconf_rs_timer+0x690/0x690
[  691.062107]  ndisc_alloc_skb+0x144/0x340
[  691.066204]  ndisc_send_rs+0x331/0x6e0
[  691.070108]  addrconf_rs_timer+0x314/0x690
[  691.074343]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  691.078581]  call_timer_fn+0x272/0x920
[  691.082466]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  691.086734]  ? process_timeout+0x40/0x40
[  691.090826]  ? __run_timers+0x7da/0xc70
[  691.094838]  ? _raw_spin_unlock_irq+0x27/0x80
[  691.099328]  ? _raw_spin_unlock_irq+0x27/0x80
[  691.103822]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  691.108060]  ? lockdep_hardirqs_on+0x296/0x5b0
[  691.112642]  ? trace_hardirqs_on+0xbd/0x310
[  691.116958]  ? kasan_check_read+0x11/0x20
[  691.121099]  ? __run_timers+0x7da/0xc70
[  691.125083]  ? trace_hardirqs_off_caller+0x310/0x310
[  691.130207]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  691.134433]  __run_timers+0x7e5/0xc70
[  691.138252]  ? timer_fixup_init+0x70/0x70
[  691.142406]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  691.147432]  ? zap_class+0x640/0x640
[  691.151148]  ? enqueue_hrtimer+0x1a5/0x560
[  691.155384]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  691.160573]  ? find_held_lock+0x36/0x1c0
[  691.164635]  ? zap_class+0x640/0x640
[  691.168362]  ? pvclock_read_flags+0x160/0x160
[  691.172865]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  691.178416]  ? check_preemption_disabled+0x48/0x280
[  691.183480]  ? __lock_is_held+0xb5/0x140
[  691.187535]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  691.193069]  ? check_preemption_disabled+0x48/0x280
[  691.198088]  run_timer_softirq+0x52/0xb0
[  691.202186]  ? rcu_read_lock_sched_held+0x14f/0x180
[  691.207299]  __do_softirq+0x308/0xb7e
[  691.211119]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  691.215613]  ? lock_downgrade+0x900/0x900
[  691.219767]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  691.224879]  ? pvclock_read_flags+0x160/0x160
[  691.229379]  ? lapic_next_event+0x5a/0x90
[  691.233557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  691.239099]  ? kvm_clock_read+0x18/0x30
[  691.243080]  ? kvm_sched_clock_read+0x9/0x20
[  691.247487]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  691.253020]  ? check_preemption_disabled+0x48/0x280
[  691.258069]  irq_exit+0x17f/0x1c0
[  691.261520]  smp_apic_timer_interrupt+0x1cb/0x760
[  691.266362]  ? smp_reschedule_interrupt+0x109/0x650
[  691.271377]  ? smp_call_function_single_interrupt+0x650/0x650
[  691.277267]  ? interrupt_entry+0xb5/0xc0
[  691.281345]  ? trace_hardirqs_off_caller+0xbb/0x310
[  691.286360]  ? trace_hardirqs_off_caller+0xbb/0x310
[  691.291403]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  691.296240]  ? trace_hardirqs_on_caller+0x310/0x310
[  691.301249]  ? trace_hardirqs_on_caller+0x310/0x310
[  691.306270]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  691.311135]  apic_timer_interrupt+0xf/0x20
[  691.315358]  </IRQ>
[  691.317592] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  691.323474] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
[  691.342367] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  691.350092] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  691.357356] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286
[  691.364640] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000
[  691.371908] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40
[  691.379175] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286
[  691.386467]  ? save_stack+0xa9/0xd0
[  691.390134]  __kmalloc_node_track_caller+0x3c/0x70
[  691.395071]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  691.399831]  pskb_expand_head+0x230/0x10f0
[  691.404068]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  691.409521]  ? memcpy+0x45/0x50
[  691.412803]  ? __copy_skb_header+0x350/0x6b0
[  691.417213]  ? skb_release_data+0x880/0x880
[  691.421531]  ? __alloc_skb+0x770/0x770
[  691.425430]  ? __lock_is_held+0xb5/0x140
[  691.429519]  ? kasan_check_write+0x14/0x20
[  691.433754]  ? __skb_clone+0x6c7/0xa00
[  691.437646]  ? __copy_skb_header+0x6b0/0x6b0
[  691.442060]  ? kmem_cache_alloc+0x33a/0x730
[  691.446389]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  691.451935]  skb_ensure_writable+0x3dd/0x640
[  691.456349]  ? skb_checksum_setup+0xaa0/0xaa0
[  691.460850]  ? preempt_notifier_register+0x200/0x200
[  691.465951]  ? __switch_to_asm+0x34/0x70
[  691.470039]  ? __switch_to_asm+0x34/0x70
[  691.474146]  ? __switch_to_asm+0x40/0x70
[  691.478234]  ? __switch_to_asm+0x34/0x70
[  691.482336]  ? __switch_to_asm+0x40/0x70
[  691.486415]  ? __switch_to_asm+0x40/0x70
[  691.490475]  ? __switch_to_asm+0x34/0x70
[  691.494537]  ? __switch_to_asm+0x34/0x70
[  691.498595]  ? __switch_to_asm+0x40/0x70
[  691.502657]  ? __switch_to_asm+0x34/0x70
[  691.506728]  bpf_clone_redirect+0x14a/0x490
[  691.511063]  bpf_prog_12ab75334035c288+0xfcd/0x1000
[  691.516086]  ? __sched_text_start+0x8/0x8
[  691.520301]  ? retint_kernel+0x2d/0x2d
[  691.524203]  ? find_held_lock+0x36/0x1c0
[  691.528273]  ? lock_acquire+0x1ed/0x520
[  691.532261]  ? bpf_test_run+0x3cb/0x780
[  691.536266]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  691.541815]  ? check_preemption_disabled+0x48/0x280
[  691.546836]  ? kasan_check_read+0x11/0x20
[  691.550985]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  691.556274]  ? rcu_softirq_qs+0x20/0x20
[  691.560273]  ? preempt_schedule+0x4d/0x60
[  691.564438]  ? ___preempt_schedule+0x16/0x18
[  691.568855]  ? bpf_test_run+0x25d/0x780
[  691.572842]  ? netlink_diag_dump+0x2a0/0x2a0
[  691.577258]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  691.582801]  ? bpf_test_init.isra.10+0x70/0x100
[  691.587492]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  691.592268]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  691.597116]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  691.602662]  ? fput+0x130/0x1a0
[  691.605944]  ? __bpf_prog_get+0x9b/0x290
[  691.610011]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  691.614864]  ? bpf_prog_test_run+0x130/0x1a0
[  691.619297]  ? __x64_sys_bpf+0x3d8/0x520
[  691.623360]  ? bpf_prog_get+0x20/0x20
[  691.627178]  ? do_syscall_64+0x1b9/0x820
[  691.631239]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  691.636607]  ? syscall_return_slowpath+0x5e0/0x5e0
[  691.641539]  ? trace_hardirqs_on_caller+0x310/0x310
[  691.646555]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  691.651574]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  691.658235]  ? __switch_to_asm+0x40/0x70
[  691.662295]  ? __switch_to_asm+0x34/0x70
[  691.666367]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  691.671217]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  691.676596] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
[  691.676663] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  691.683621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  691.683626] Call Trace:
[  691.683632]  <IRQ>
[  691.683649]  dump_stack+0x244/0x39d
[  691.683684]  ? dump_stack_print_info.cold.1+0x20/0x20
[  691.690242] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  691.699550]  warn_alloc.cold.116+0xb7/0x1bd
[  691.702097] syz-executor3 cpuset=syz3 mems_allowed=0
[  691.704246]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  691.737749]  ? lock_downgrade+0x900/0x900
[  691.741921]  ? trace_hardirqs_off+0xb8/0x310
[  691.746337]  ? trace_hardirqs_off+0xb8/0x310
[  691.750756]  __alloc_pages_slowpath+0x2651/0x2de0
[  691.755655]  ? warn_alloc+0x120/0x120
[  691.759458]  ? print_usage_bug+0xc0/0xc0
[  691.763519]  ? warn_alloc+0x120/0x120
[  691.767327]  ? warn_alloc+0x120/0x120
[  691.771145]  ? print_usage_bug+0xc0/0xc0
[  691.775205]  ? kvm_clock_read+0x18/0x30
[  691.779180]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  691.784199]  ? print_usage_bug+0xc0/0xc0
[  691.788265]  ? __lock_acquire+0x62f/0x4c20
[  691.792532]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  691.798079]  ? should_fail+0x22d/0xd01
[  691.802012]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  691.807326]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  691.812430]  ? __lock_acquire+0x62f/0x4c20
[  691.816670]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  691.821773]  ? __lock_acquire+0x62f/0x4c20
[  691.826023]  ? should_fail+0x22d/0xd01
[  691.829907]  ? rcu_irq_exit+0x1a2/0x390
[  691.833890]  ? mark_held_locks+0x130/0x130
[  691.838149]  ? mark_held_locks+0x130/0x130
[  691.842400]  ? mark_held_locks+0xc7/0x130
[  691.846568]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  691.851588]  ? zap_class+0x640/0x640
[  691.855311]  ? print_usage_bug+0xc0/0xc0
[  691.859377]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  691.864933]  ? check_preemption_disabled+0x48/0x280
[  691.869977]  ? __lock_is_held+0xb5/0x140
[  691.874046]  __alloc_pages_nodemask+0xad8/0xea0
[  691.878717]  ? zap_class+0x640/0x640
[  691.882436]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  691.887464]  ? find_held_lock+0x36/0x1c0
[  691.891535]  ? ____cache_alloc_node+0x1c7/0x1e0
[  691.896238]  ? lock_downgrade+0x900/0x900
[  691.900413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  691.905956]  cache_grow_begin+0xa5/0x8c0
[  691.910017]  ? do_raw_spin_unlock+0xa7/0x330
[  691.914435]  fallback_alloc+0x204/0x2e0
[  691.918414]  ____cache_alloc_node+0x1c7/0x1e0
[  691.922945]  kmem_cache_alloc_node+0xe3/0x730
[  691.927472]  ? ipv6_get_ifaddr+0x42e/0x620
[  691.931722]  __alloc_skb+0x119/0x770
[  691.935432]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  691.940727]  ? netdev_alloc_frag+0x1f0/0x1f0
[  691.945162]  ? lock_downgrade+0x900/0x900
[  691.949341]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  691.954881]  ? refcount_sub_and_test_checked+0x203/0x310
[  691.960334]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  691.965996]  ? addrconf_rs_timer+0x690/0x690
[  691.970414]  ndisc_alloc_skb+0x144/0x340
[  691.974550]  ndisc_send_rs+0x331/0x6e0
[  691.978447]  addrconf_rs_timer+0x314/0x690
[  691.982687]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  691.986935]  call_timer_fn+0x272/0x920
[  691.990823]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  691.995075]  ? process_timeout+0x40/0x40
[  691.999162]  ? mark_held_locks+0xc7/0x130
[  692.003319]  ? _raw_spin_unlock_irq+0x27/0x80
[  692.007829]  ? _raw_spin_unlock_irq+0x27/0x80
[  692.012326]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  692.016565]  ? lockdep_hardirqs_on+0x296/0x5b0
[  692.021149]  ? trace_hardirqs_on+0xbd/0x310
[  692.025472]  ? kasan_check_read+0x11/0x20
[  692.029617]  ? __run_timers+0x7da/0xc70
[  692.033597]  ? trace_hardirqs_off_caller+0x310/0x310
[  692.038704]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  692.042943]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  692.047190]  __run_timers+0x7e5/0xc70
[  692.051000]  ? timer_fixup_init+0x70/0x70
[  692.055151]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  692.060169]  ? zap_class+0x640/0x640
[  692.063890]  ? print_usage_bug+0xc0/0xc0
[  692.067955]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  692.073165]  ? find_held_lock+0x36/0x1c0
[  692.077229]  ? zap_class+0x640/0x640
[  692.080952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.087015]  ? check_preemption_disabled+0x48/0x280
[  692.092039]  ? __lock_is_held+0xb5/0x140
[  692.096252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.101799]  ? check_preemption_disabled+0x48/0x280
[  692.106820]  run_timer_softirq+0x52/0xb0
[  692.110932]  ? rcu_read_lock_sched_held+0x14f/0x180
[  692.115949]  __do_softirq+0x308/0xb7e
[  692.119766]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  692.124260]  ? lock_downgrade+0x900/0x900
[  692.128425]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  692.133538]  ? pvclock_read_flags+0x160/0x160
[  692.138042]  ? lapic_next_event+0x5a/0x90
[  692.142195]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.147743]  ? kvm_clock_read+0x18/0x30
[  692.151718]  ? kvm_sched_clock_read+0x9/0x20
[  692.156127]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  692.161666]  ? check_preemption_disabled+0x48/0x280
[  692.166692]  irq_exit+0x17f/0x1c0
[  692.170147]  smp_apic_timer_interrupt+0x1cb/0x760
[  692.174991]  ? smp_call_function_single_interrupt+0x159/0x650
[  692.180876]  ? smp_call_function_single_interrupt+0x650/0x650
[  692.186754]  ? interrupt_entry+0xb5/0xc0
[  692.190829]  ? trace_hardirqs_off_caller+0xbb/0x310
[  692.195846]  ? trace_hardirqs_off_caller+0xbb/0x310
[  692.200862]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  692.205706]  ? trace_hardirqs_on_caller+0x310/0x310
[  692.210735]  ? trace_hardirqs_on_caller+0x310/0x310
[  692.215751]  ? task_prio+0x50/0x50
[  692.219298]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.224852]  ? check_preemption_disabled+0x48/0x280
[  692.229875]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  692.234740]  apic_timer_interrupt+0xf/0x20
[  692.238987]  </IRQ>
[  692.241228] RIP: 0010:rcu_is_watching+0x0/0x30
[  692.245812] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
[  692.264726] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  692.272436] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
[  692.279703] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
[  692.286968] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
[  692.294236] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
[  692.301500] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  692.308806]  ? list_lru_count_one+0x253/0x450
[  692.313325]  ? list_lru_count_one+0x35d/0x450
[  692.317826]  ? list_lru_count_one+0x362/0x450
[  692.322323]  ? list_lru_isolate_move+0x3c0/0x3c0
[  692.327096]  ? shmem_free_inode+0xd0/0xd0
[  692.331263]  ? __lock_is_held+0xb5/0x140
[  692.335340]  super_cache_count+0x1b9/0x2e0
[  692.339581]  do_shrink_slab+0x1b1/0xd30
[  692.343605]  ? snapshot_refaults+0x290/0x290
[  692.348017]  ? lock_release+0xa00/0xa00
[  692.351998]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  692.356938]  ? down_read_trylock+0xda/0x140
[  692.361261]  ? shrink_slab+0x207/0x8c0
[  692.365154]  ? downgrade_write+0x270/0x270
[  692.369415]  shrink_slab+0x389/0x8c0
[  692.373133]  ? shrink_active_list+0x1f00/0x1f00
[  692.377813]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  692.383442]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  692.388560]  ? cgroup_procs_write_finish+0xf0/0xf0
[  692.393499]  ? find_held_lock+0x36/0x1c0
[  692.397576]  shrink_node+0x431/0x16b0
[  692.401383]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  692.406688]  ? shrink_node_memcg+0x18f0/0x18f0
[  692.411331]  ? kvm_clock_read+0x18/0x30
[  692.415316]  ? ktime_get+0x2c1/0x400
[  692.419038]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  692.423537]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  692.429079]  ? __cpuset_node_allowed+0x19b/0x660
[  692.433837]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  692.439563]  ? delayacct_end+0x5a/0x100
[  692.443555]  do_try_to_free_pages+0x3e7/0x1290
[  692.448140]  ? zap_class+0x640/0x640
[  692.451874]  ? shrink_node+0x16b0/0x16b0
[  692.455936]  ? __lock_is_held+0xb5/0x140
[  692.460031]  try_to_free_pages+0x4d0/0xb90
[  692.464315]  ? do_try_to_free_pages+0x1290/0x1290
[  692.469175]  ? lock_acquire+0x1ed/0x520
[  692.473166]  ? set_page_refcounted+0x280/0x280
[  692.477753]  ? lock_release+0xa00/0xa00
[  692.481731]  ? _raw_spin_unlock_irq+0x60/0x80
[  692.486227]  ? psi_memstall_enter+0x240/0x2b0
[  692.490726]  ? psi_memstall_tick+0x230/0x230
[  692.495147]  __alloc_pages_slowpath+0xa48/0x2de0
[  692.499950]  ? warn_alloc+0x120/0x120
[  692.503748]  ? mark_held_locks+0x130/0x130
[  692.507989]  ? find_get_entry+0xaae/0x1120
[  692.512235]  ? filemap_map_pages+0x1a20/0x1a20
[  692.516823]  ? zap_class+0x640/0x640
[  692.520550]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.526109]  ? check_preemption_disabled+0x48/0x280
[  692.531160]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  692.536707]  ? should_fail+0x22d/0xd01
[  692.540601]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  692.545705]  ? zap_class+0x640/0x640
[  692.549447]  ? __lock_is_held+0xb5/0x140
[  692.553513]  ? mark_held_locks+0x130/0x130
[  692.557769]  ? lock_release+0xa00/0xa00
[  692.561745]  ? perf_trace_sched_process_exec+0x860/0x860
[  692.567195]  ? xa_load+0x2ba/0x460
[  692.570754]  ? lock_downgrade+0x900/0x900
[  692.574923]  ? __might_sleep+0x95/0x190
[  692.578907]  __alloc_pages_nodemask+0xad8/0xea0
[  692.583584]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  692.588605]  ? __page_cache_alloc+0x191/0x5c0
[  692.593098]  ? xa_load+0x2e1/0x460
[  692.596635]  ? xa_clear_mark+0x40/0x40
[  692.600528]  ? zap_class+0x640/0x640
[  692.604253]  ? zap_class+0x640/0x640
[  692.608001]  ? zap_class+0x640/0x640
[  692.611712]  ? __do_page_cache_readahead+0x663/0x810
[  692.616818]  ? find_held_lock+0x36/0x1c0
[  692.620883]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  692.626427]  alloc_pages_current+0x173/0x350
[  692.630844]  __page_cache_alloc+0x38c/0x5c0
[  692.635172]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  692.640102]  ? kasan_check_read+0x11/0x20
[  692.644245]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  692.649521]  ? generic_perform_write+0x6a0/0x6a0
[  692.654289]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  692.659832]  ? check_preemption_disabled+0x48/0x280
[  692.664859]  filemap_fault+0x1595/0x25f0
[  692.668967]  ? __lock_page_or_retry+0xa00/0xa00
[  692.673639]  ? mark_held_locks+0x130/0x130
[  692.677887]  ? filemap_map_pages+0xd6b/0x1a20
[  692.682387]  ? lock_downgrade+0x900/0x900
[  692.686553]  ? check_preemption_disabled+0x48/0x280
[  692.691590]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  692.696518]  ? kasan_check_read+0x11/0x20
[  692.700668]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  692.705943]  ? rcu_softirq_qs+0x20/0x20
[  692.709949]  ? filemap_map_pages+0xd92/0x1a20
[  692.714488]  ? find_get_entries_tag+0x1400/0x1400
[  692.719347]  ? debug_object_destroy+0x2b0/0x2b0
[  692.724016]  ? lock_pi_update_atomic+0x150/0x150
[  692.728769]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.734321]  ? lock_acquire+0x1ed/0x520
[  692.738298]  ? ext4_filemap_fault+0x7a/0xad
[  692.742640]  ? lock_release+0xa00/0xa00
[  692.746612]  ? perf_trace_sched_process_exec+0x860/0x860
[  692.752059]  ? print_usage_bug+0xc0/0xc0
[  692.756122]  ? print_usage_bug+0xc0/0xc0
[  692.760194]  ? down_read+0x8d/0x120
[  692.763841]  ? ext4_filemap_fault+0x7a/0xad
[  692.768178]  ? __down_interruptible+0x700/0x700
[  692.772885]  ext4_filemap_fault+0x82/0xad
[  692.777068]  __do_fault+0x100/0x6b0
[  692.780694]  ? release_sock+0x1ec/0x2c0
[  692.784670]  ? pmd_devmap_trans_unstable+0x220/0x220
[  692.789794]  ? mark_held_locks+0x130/0x130
[  692.794036]  ? mark_held_locks+0x130/0x130
[  692.798295]  ? lock_sock_nested+0x9a/0x120
[  692.802553]  ? __release_sock+0x3a0/0x3a0
[  692.806706]  ? __local_bh_enable_ip+0x160/0x260
[  692.811413]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  692.816958]  __handle_mm_fault+0x3ea0/0x5be0
[  692.821381]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  692.826222]  ? apparmor_socket_sendmsg+0x29/0x30
[  692.830981]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.836536]  ? security_socket_sendmsg+0x94/0xc0
[  692.841310]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.846892]  ? zap_class+0x640/0x640
[  692.850622]  ? zap_class+0x640/0x640
[  692.854353]  ? __x64_sys_futex+0x53e/0x6a0
[  692.858606]  ? find_held_lock+0x36/0x1c0
[  692.862680]  ? handle_mm_fault+0x42a/0xc70
[  692.866919]  ? lock_downgrade+0x900/0x900
[  692.871072]  ? check_preemption_disabled+0x48/0x280
[  692.876095]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  692.881021]  ? kasan_check_read+0x11/0x20
[  692.885164]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  692.890440]  ? rcu_softirq_qs+0x20/0x20
[  692.894416]  ? trace_hardirqs_off_caller+0x310/0x310
[  692.899524]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  692.905069]  ? check_preemption_disabled+0x48/0x280
[  692.910093]  handle_mm_fault+0x54f/0xc70
[  692.914159]  ? __handle_mm_fault+0x5be0/0x5be0
[  692.918746]  ? find_vma+0x34/0x190
[  692.922299]  __do_page_fault+0x5e8/0xe60
[  692.926373]  ? trace_hardirqs_off+0xb8/0x310
[  692.930780]  ? __ia32_sys_read+0xb0/0xb0
[  692.934867]  do_page_fault+0xf2/0x7e0
[  692.938668]  ? vmalloc_sync_all+0x30/0x30
[  692.942819]  ? error_entry+0x70/0xd0
[  692.946540]  ? trace_hardirqs_off_caller+0xbb/0x310
[  692.951565]  ? trace_hardirqs_on_caller+0xc0/0x310
[  692.956509]  ? syscall_return_slowpath+0x5e0/0x5e0
[  692.961442]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  692.966291]  ? trace_hardirqs_on_caller+0x310/0x310
[  692.971316]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  692.976773]  ? prepare_exit_to_usermode+0x291/0x3b0
[  692.981805]  ? page_fault+0x8/0x30
[  692.985343]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  692.990185]  ? page_fault+0x8/0x30
[  692.993728]  page_fault+0x1e/0x30
[  692.997182] RIP: 0033:0x45ddf3
[  693.000384] Code: Bad RIP value.
[  693.003745] RSP: 002b:000000c420023ea0 EFLAGS: 00010202
[  693.009122] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
[  693.016388] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  693.023653] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  693.030920] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  693.038191] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
[  693.045492] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304
[  693.045498] warn_alloc_show_mem: 1 callbacks suppressed
[  693.045505] Mem-Info:
[  693.052783] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  693.058151] active_anon:59588 inactive_anon:187 isolated_anon:0
[  693.058151]  active_file:13 inactive_file:14 isolated_file:0
[  693.058151]  unevictable:0 dirty:0 writeback:0 unstable:0
[  693.058151]  slab_reclaimable:10147 slab_unreclaimable:1445690
[  693.058151]  mapped:49154 shmem:244 pagetables:690 bounce:0
[  693.058151]  free:13773 free_pcp:174 free_cma:0
[  693.060540] Call Trace:
[  693.069928] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  693.102866]  <IRQ>
[  693.105438] 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
[  693.132967]  dump_stack+0x244/0x39d
[  693.135093] lowmem_reserve[]: 0 2818 6321 6321
[  693.161209]  ? dump_stack_print_info.cold.1+0x20/0x20
[  693.164826] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  693.169410]  warn_alloc.cold.116+0xb7/0x1bd
[  693.174567] lowmem_reserve[]: 0 0 3503 3503
[  693.202085]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  693.206385] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB
[  693.210703]  ? lock_downgrade+0x900/0x900
[  693.215517] lowmem_reserve[]: 0 0 0 0
[  693.244404]  ? trace_hardirqs_off+0xb8/0x310
[  693.248522] 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
[  693.252321]  ? trace_hardirqs_off+0xb8/0x310
[  693.256719] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
[  693.270253]  __alloc_pages_slowpath+0x2651/0x2de0
[  693.274629] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  693.290602]  ? warn_alloc+0x120/0x120
[  693.295402] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  693.309020]  ? print_usage_bug+0xc0/0xc0
[  693.312800] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  693.321619]  ? warn_alloc+0x120/0x120
[  693.325673] 271 total pagecache pages
[  693.334244]  ? warn_alloc+0x120/0x120
[  693.338030] 0 pages in swap cache
[  693.341835]  ? print_usage_bug+0xc0/0xc0
[  693.345633] Swap cache stats: add 0, delete 0, find 0/0
[  693.349083]  ? print_usage_bug+0xc0/0xc0
[  693.353140] Free swap  = 0kB
[  693.358499]  ? __lock_acquire+0x62f/0x4c20
[  693.362535] Total swap = 0kB
[  693.365547]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  693.369758] 1965979 pages RAM
[  693.372772]  ? should_fail+0x22d/0xd01
[  693.378280] 0 pages HighMem/MovableOnly
[  693.381383]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  693.385238] 342854 pages reserved
[  693.385243] 0 pages cma reserved
[  693.385327] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  693.389220]  ? __lock_acquire+0x62f/0x4c20
[  693.394394] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  693.397757]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  693.401099] syz-fuzzer cpuset=/ mems_allowed=0
[  693.407584]  ? __lock_acquire+0x62f/0x4c20
[  693.435882]  ? should_fail+0x22d/0xd01
[  693.439776]  ? find_held_lock+0x36/0x1c0
[  693.443845]  ? mark_held_locks+0x130/0x130
[  693.448090]  ? mark_held_locks+0x130/0x130
[  693.452324]  ? zap_class+0x640/0x640
[  693.456047]  ? zap_class+0x640/0x640
[  693.459764]  ? print_usage_bug+0xc0/0xc0
[  693.463822]  ? do_raw_spin_unlock+0xa7/0x330
[  693.468230]  ? zap_class+0x640/0x640
[  693.471942]  ? print_usage_bug+0xc0/0xc0
[  693.476023]  ? wq_watchdog_touch+0x9c/0xfe
[  693.480276]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  693.485858]  ? check_preemption_disabled+0x48/0x280
[  693.490974]  ? __lock_is_held+0xb5/0x140
[  693.495068]  __alloc_pages_nodemask+0xad8/0xea0
[  693.499760]  ? zap_class+0x640/0x640
[  693.503482]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  693.508515]  ? find_held_lock+0x36/0x1c0
[  693.512590]  ? ____cache_alloc_node+0x1c7/0x1e0
[  693.517259]  ? lock_downgrade+0x900/0x900
[  693.521421]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  693.526966]  cache_grow_begin+0xa5/0x8c0
[  693.531030]  ? do_raw_spin_unlock+0xa7/0x330
[  693.535456]  fallback_alloc+0x204/0x2e0
[  693.539454]  ____cache_alloc_node+0x1c7/0x1e0
[  693.543954]  kmem_cache_alloc_node+0xe3/0x730
[  693.548469]  ? ipv6_get_ifaddr+0x42e/0x620
[  693.552714]  __alloc_skb+0x119/0x770
[  693.556426]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  693.561715]  ? netdev_alloc_frag+0x1f0/0x1f0
[  693.566135]  ? lock_downgrade+0x900/0x900
[  693.570300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  693.575839]  ? refcount_sub_and_test_checked+0x203/0x310
[  693.581306]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  693.586762]  ? addrconf_rs_timer+0x690/0x690
[  693.591190]  ndisc_alloc_skb+0x144/0x340
[  693.595257]  ndisc_send_rs+0x331/0x6e0
[  693.599165]  addrconf_rs_timer+0x314/0x690
[  693.603410]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  693.607667]  call_timer_fn+0x272/0x920
[  693.611554]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  693.615801]  ? process_timeout+0x40/0x40
[  693.619873]  ? __run_timers+0x7da/0xc70
[  693.623854]  ? _raw_spin_unlock_irq+0x27/0x80
[  693.628355]  ? _raw_spin_unlock_irq+0x27/0x80
[  693.632848]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  693.637103]  ? lockdep_hardirqs_on+0x296/0x5b0
[  693.641685]  ? trace_hardirqs_on+0xbd/0x310
[  693.646009]  ? kasan_check_read+0x11/0x20
[  693.650170]  ? __run_timers+0x7da/0xc70
[  693.654146]  ? trace_hardirqs_off_caller+0x310/0x310
[  693.659309]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  693.663551]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  693.667798]  __run_timers+0x7e5/0xc70
[  693.671614]  ? timer_fixup_init+0x70/0x70
[  693.675766]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  693.680786]  ? zap_class+0x640/0x640
[  693.684506]  ? enqueue_hrtimer+0x1a5/0x560
[  693.688773]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  693.694175]  ? find_held_lock+0x36/0x1c0
[  693.698305]  ? zap_class+0x640/0x640
[  693.702038]  ? pvclock_read_flags+0x160/0x160
[  693.706544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  693.712084]  ? check_preemption_disabled+0x48/0x280
[  693.717123]  ? __lock_is_held+0xb5/0x140
[  693.721188]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  693.726731]  ? check_preemption_disabled+0x48/0x280
[  693.731756]  run_timer_softirq+0x52/0xb0
[  693.735817]  ? rcu_read_lock_sched_held+0x14f/0x180
[  693.740833]  __do_softirq+0x308/0xb7e
[  693.744638]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  693.749131]  ? lock_downgrade+0x900/0x900
[  693.753292]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  693.758409]  ? pvclock_read_flags+0x160/0x160
[  693.762907]  ? lapic_next_event+0x5a/0x90
[  693.767063]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  693.772608]  ? kvm_clock_read+0x18/0x30
[  693.776583]  ? kvm_sched_clock_read+0x9/0x20
[  693.780999]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  693.786540]  ? check_preemption_disabled+0x48/0x280
[  693.791565]  irq_exit+0x17f/0x1c0
[  693.795027]  smp_apic_timer_interrupt+0x1cb/0x760
[  693.799876]  ? smp_reschedule_interrupt+0x109/0x650
[  693.804894]  ? smp_call_function_single_interrupt+0x650/0x650
[  693.810779]  ? interrupt_entry+0xb5/0xc0
[  693.814859]  ? trace_hardirqs_off_caller+0xbb/0x310
[  693.819872]  ? trace_hardirqs_off_caller+0xbb/0x310
[  693.824889]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  693.829762]  ? trace_hardirqs_on_caller+0x310/0x310
[  693.834791]  ? trace_hardirqs_on_caller+0x310/0x310
[  693.839818]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  693.844673]  apic_timer_interrupt+0xf/0x20
[  693.848900]  </IRQ>
[  693.851154] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  693.857048] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
[  693.875950] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  693.883666] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  693.890932] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286
[  693.898199] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000
[  693.905470] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40
[  693.912735] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286
[  693.920038]  ? save_stack+0xa9/0xd0
[  693.923696]  __kmalloc_node_track_caller+0x3c/0x70
[  693.928647]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  693.933409]  pskb_expand_head+0x230/0x10f0
[  693.937646]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  693.943102]  ? memcpy+0x45/0x50
[  693.946387]  ? __copy_skb_header+0x350/0x6b0
[  693.950796]  ? skb_release_data+0x880/0x880
[  693.955121]  ? __alloc_skb+0x770/0x770
[  693.959025]  ? __lock_is_held+0xb5/0x140
[  693.963234]  ? kasan_check_write+0x14/0x20
[  693.967473]  ? __skb_clone+0x6c7/0xa00
[  693.971361]  ? __copy_skb_header+0x6b0/0x6b0
[  693.975766]  ? kmem_cache_alloc+0x33a/0x730
[  693.980090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  693.985633]  skb_ensure_writable+0x3dd/0x640
[  693.990054]  ? skb_checksum_setup+0xaa0/0xaa0
[  693.994557]  ? preempt_notifier_register+0x200/0x200
[  693.999658]  ? __switch_to_asm+0x34/0x70
[  694.003720]  ? __switch_to_asm+0x34/0x70
[  694.007777]  ? __switch_to_asm+0x40/0x70
[  694.011833]  ? __switch_to_asm+0x34/0x70
[  694.015887]  ? __switch_to_asm+0x40/0x70
[  694.019945]  ? __switch_to_asm+0x40/0x70
[  694.023999]  ? __switch_to_asm+0x34/0x70
[  694.028070]  ? __switch_to_asm+0x34/0x70
[  694.032131]  ? __switch_to_asm+0x40/0x70
[  694.036189]  ? __switch_to_asm+0x34/0x70
[  694.040258]  bpf_clone_redirect+0x14a/0x490
[  694.044628]  bpf_prog_12ab75334035c288+0xfcd/0x1000
[  694.049650]  ? __sched_text_start+0x8/0x8
[  694.053797]  ? retint_kernel+0x2d/0x2d
[  694.057692]  ? find_held_lock+0x36/0x1c0
[  694.061757]  ? lock_acquire+0x1ed/0x520
[  694.065733]  ? bpf_test_run+0x3cb/0x780
[  694.069711]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.075279]  ? check_preemption_disabled+0x48/0x280
[  694.080313]  ? kasan_check_read+0x11/0x20
[  694.084470]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  694.089762]  ? rcu_softirq_qs+0x20/0x20
[  694.094099]  ? preempt_schedule+0x4d/0x60
[  694.098249]  ? ___preempt_schedule+0x16/0x18
[  694.102676]  ? bpf_test_run+0x25d/0x780
[  694.106665]  ? netlink_diag_dump+0x2a0/0x2a0
[  694.111082]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  694.116623]  ? bpf_test_init.isra.10+0x70/0x100
[  694.121311]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  694.126079]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  694.130924]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  694.136464]  ? fput+0x130/0x1a0
[  694.139751]  ? __bpf_prog_get+0x9b/0x290
[  694.143821]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  694.148666]  ? bpf_prog_test_run+0x130/0x1a0
[  694.153079]  ? __x64_sys_bpf+0x3d8/0x520
[  694.157139]  ? bpf_prog_get+0x20/0x20
[  694.160964]  ? do_syscall_64+0x1b9/0x820
[  694.165039]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  694.170410]  ? syscall_return_slowpath+0x5e0/0x5e0
[  694.175346]  ? trace_hardirqs_on_caller+0x310/0x310
[  694.180365]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  694.185385]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  694.192054]  ? __switch_to_asm+0x40/0x70
[  694.196111]  ? __switch_to_asm+0x34/0x70
[  694.200196]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  694.205055]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  694.210439] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
[  694.210507] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  694.217456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  694.217462] Call Trace:
[  694.217469]  <IRQ>
[  694.217487]  dump_stack+0x244/0x39d
[  694.217506]  ? dump_stack_print_info.cold.1+0x20/0x20
[  694.224083] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  694.233337]  warn_alloc.cold.116+0xb7/0x1bd
[  694.235891] syz-executor3 cpuset=syz3 mems_allowed=0
[  694.238050]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  694.271575]  ? lock_downgrade+0x900/0x900
[  694.275735]  ? trace_hardirqs_off+0xb8/0x310
[  694.280190]  ? trace_hardirqs_off+0xb8/0x310
[  694.284622]  __alloc_pages_slowpath+0x2651/0x2de0
[  694.289497]  ? warn_alloc+0x120/0x120
[  694.293310]  ? print_usage_bug+0xc0/0xc0
[  694.297377]  ? warn_alloc+0x120/0x120
[  694.301187]  ? warn_alloc+0x120/0x120
[  694.305048]  ? print_usage_bug+0xc0/0xc0
[  694.309129]  ? kvm_clock_read+0x18/0x30
[  694.313103]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  694.318118]  ? print_usage_bug+0xc0/0xc0
[  694.322183]  ? __lock_acquire+0x62f/0x4c20
[  694.326425]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  694.331964]  ? should_fail+0x22d/0xd01
[  694.335847]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  694.341131]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  694.346239]  ? __lock_acquire+0x62f/0x4c20
[  694.350480]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  694.355583]  ? __lock_acquire+0x62f/0x4c20
[  694.359817]  ? should_fail+0x22d/0xd01
[  694.363702]  ? rcu_irq_exit+0x1a2/0x390
[  694.367697]  ? mark_held_locks+0x130/0x130
[  694.371938]  ? mark_held_locks+0x130/0x130
[  694.376175]  ? mark_held_locks+0xc7/0x130
[  694.380354]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  694.385388]  ? zap_class+0x640/0x640
[  694.389136]  ? print_usage_bug+0xc0/0xc0
[  694.393203]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.398739]  ? check_preemption_disabled+0x48/0x280
[  694.403767]  ? __lock_is_held+0xb5/0x140
[  694.407838]  __alloc_pages_nodemask+0xad8/0xea0
[  694.412509]  ? zap_class+0x640/0x640
[  694.416243]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  694.421329]  ? find_held_lock+0x36/0x1c0
[  694.425416]  ? ____cache_alloc_node+0x1c7/0x1e0
[  694.430102]  ? lock_downgrade+0x900/0x900
[  694.434278]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.439831]  cache_grow_begin+0xa5/0x8c0
[  694.443894]  ? do_raw_spin_unlock+0xa7/0x330
[  694.448326]  fallback_alloc+0x204/0x2e0
[  694.452314]  ____cache_alloc_node+0x1c7/0x1e0
[  694.456820]  kmem_cache_alloc_node+0xe3/0x730
[  694.461321]  ? ipv6_get_ifaddr+0x42e/0x620
[  694.465578]  __alloc_skb+0x119/0x770
[  694.469312]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  694.474608]  ? netdev_alloc_frag+0x1f0/0x1f0
[  694.479019]  ? lock_downgrade+0x900/0x900
[  694.483174]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.488741]  ? refcount_sub_and_test_checked+0x203/0x310
[  694.494193]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  694.499674]  ? addrconf_rs_timer+0x690/0x690
[  694.504101]  ndisc_alloc_skb+0x144/0x340
[  694.508169]  ndisc_send_rs+0x331/0x6e0
[  694.512085]  addrconf_rs_timer+0x314/0x690
[  694.516341]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  694.520591]  call_timer_fn+0x272/0x920
[  694.524478]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  694.528723]  ? process_timeout+0x40/0x40
[  694.532811]  ? mark_held_locks+0xc7/0x130
[  694.536962]  ? _raw_spin_unlock_irq+0x27/0x80
[  694.541458]  ? _raw_spin_unlock_irq+0x27/0x80
[  694.545955]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  694.550223]  ? lockdep_hardirqs_on+0x296/0x5b0
[  694.554863]  ? trace_hardirqs_on+0xbd/0x310
[  694.559205]  ? kasan_check_read+0x11/0x20
[  694.563386]  ? __run_timers+0x7da/0xc70
[  694.567370]  ? trace_hardirqs_off_caller+0x310/0x310
[  694.572479]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  694.576720]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  694.580960]  __run_timers+0x7e5/0xc70
[  694.584771]  ? timer_fixup_init+0x70/0x70
[  694.588923]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  694.593941]  ? zap_class+0x640/0x640
[  694.597665]  ? print_usage_bug+0xc0/0xc0
[  694.601730]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  694.606943]  ? find_held_lock+0x36/0x1c0
[  694.611083]  ? zap_class+0x640/0x640
[  694.614802]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.620344]  ? check_preemption_disabled+0x48/0x280
[  694.625376]  ? __lock_is_held+0xb5/0x140
[  694.629442]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.634983]  ? check_preemption_disabled+0x48/0x280
[  694.640024]  run_timer_softirq+0x52/0xb0
[  694.644129]  ? rcu_read_lock_sched_held+0x14f/0x180
[  694.649161]  __do_softirq+0x308/0xb7e
[  694.652965]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  694.657462]  ? lock_downgrade+0x900/0x900
[  694.661614]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  694.666725]  ? pvclock_read_flags+0x160/0x160
[  694.671223]  ? lapic_next_event+0x5a/0x90
[  694.675378]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.680921]  ? kvm_clock_read+0x18/0x30
[  694.684902]  ? kvm_sched_clock_read+0x9/0x20
[  694.689317]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  694.694859]  ? check_preemption_disabled+0x48/0x280
[  694.699887]  irq_exit+0x17f/0x1c0
[  694.703345]  smp_apic_timer_interrupt+0x1cb/0x760
[  694.708190]  ? smp_call_function_single_interrupt+0x159/0x650
[  694.714076]  ? smp_call_function_single_interrupt+0x650/0x650
[  694.719959]  ? interrupt_entry+0xb5/0xc0
[  694.724023]  ? trace_hardirqs_off_caller+0xbb/0x310
[  694.729041]  ? trace_hardirqs_off_caller+0xbb/0x310
[  694.734060]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  694.738905]  ? trace_hardirqs_on_caller+0x310/0x310
[  694.743925]  ? trace_hardirqs_on_caller+0x310/0x310
[  694.748940]  ? task_prio+0x50/0x50
[  694.752483]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.758023]  ? check_preemption_disabled+0x48/0x280
[  694.763049]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  694.767902]  apic_timer_interrupt+0xf/0x20
[  694.772133]  </IRQ>
[  694.774374] RIP: 0010:rcu_is_watching+0x0/0x30
[  694.778957] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
[  694.797857] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  694.805572] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
[  694.812838] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
[  694.820105] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
[  694.827375] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
[  694.834640] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  694.841962]  ? list_lru_count_one+0x253/0x450
[  694.846460]  ? list_lru_count_one+0x35d/0x450
[  694.850965]  ? list_lru_count_one+0x362/0x450
[  694.855466]  ? list_lru_isolate_move+0x3c0/0x3c0
[  694.860240]  ? shmem_free_inode+0xd0/0xd0
[  694.864395]  ? __lock_is_held+0xb5/0x140
[  694.868466]  super_cache_count+0x1b9/0x2e0
[  694.872712]  do_shrink_slab+0x1b1/0xd30
[  694.876702]  ? snapshot_refaults+0x290/0x290
[  694.881131]  ? lock_release+0xa00/0xa00
[  694.885121]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  694.890052]  ? down_read_trylock+0xda/0x140
[  694.894398]  ? shrink_slab+0x207/0x8c0
[  694.898294]  ? downgrade_write+0x270/0x270
[  694.902549]  shrink_slab+0x389/0x8c0
[  694.906262]  ? shrink_active_list+0x1f00/0x1f00
[  694.910961]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  694.916603]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  694.921720]  ? cgroup_procs_write_finish+0xf0/0xf0
[  694.926704]  ? find_held_lock+0x36/0x1c0
[  694.930792]  shrink_node+0x431/0x16b0
[  694.934611]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  694.939938]  ? shrink_node_memcg+0x18f0/0x18f0
[  694.944528]  ? kvm_clock_read+0x18/0x30
[  694.948517]  ? ktime_get+0x2c1/0x400
[  694.952255]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  694.956764]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  694.962519]  ? __cpuset_node_allowed+0x19b/0x660
[  694.967317]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  694.973042]  ? delayacct_end+0x5a/0x100
[  694.977061]  do_try_to_free_pages+0x3e7/0x1290
[  694.981645]  ? zap_class+0x640/0x640
[  694.985374]  ? shrink_node+0x16b0/0x16b0
[  694.989436]  ? __lock_is_held+0xb5/0x140
[  694.993512]  try_to_free_pages+0x4d0/0xb90
[  694.997758]  ? do_try_to_free_pages+0x1290/0x1290
[  695.002629]  ? lock_acquire+0x1ed/0x520
[  695.006607]  ? set_page_refcounted+0x280/0x280
[  695.011196]  ? lock_release+0xa00/0xa00
[  695.015203]  ? _raw_spin_unlock_irq+0x60/0x80
[  695.019721]  ? psi_memstall_enter+0x240/0x2b0
[  695.024222]  ? psi_memstall_tick+0x230/0x230
[  695.028661]  __alloc_pages_slowpath+0xa48/0x2de0
[  695.033449]  ? warn_alloc+0x120/0x120
[  695.037254]  ? mark_held_locks+0x130/0x130
[  695.041505]  ? find_get_entry+0xaae/0x1120
[  695.045745]  ? filemap_map_pages+0x1a20/0x1a20
[  695.050353]  ? zap_class+0x640/0x640
[  695.054073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  695.059620]  ? check_preemption_disabled+0x48/0x280
[  695.064661]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  695.070197]  ? should_fail+0x22d/0xd01
[  695.074093]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  695.079205]  ? zap_class+0x640/0x640
[  695.082950]  ? __lock_is_held+0xb5/0x140
[  695.087019]  ? mark_held_locks+0x130/0x130
[  695.091259]  ? lock_release+0xa00/0xa00
[  695.095241]  ? perf_trace_sched_process_exec+0x860/0x860
[  695.100765]  ? xa_load+0x2ba/0x460
[  695.104318]  ? lock_downgrade+0x900/0x900
[  695.108471]  ? __might_sleep+0x95/0x190
[  695.112461]  __alloc_pages_nodemask+0xad8/0xea0
[  695.117157]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  695.122176]  ? __page_cache_alloc+0x191/0x5c0
[  695.126664]  ? xa_load+0x2e1/0x460
[  695.130204]  ? xa_clear_mark+0x40/0x40
[  695.134095]  ? zap_class+0x640/0x640
[  695.137818]  ? zap_class+0x640/0x640
[  695.141532]  ? zap_class+0x640/0x640
[  695.145255]  ? __do_page_cache_readahead+0x663/0x810
[  695.150373]  ? find_held_lock+0x36/0x1c0
[  695.154440]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  695.159990]  alloc_pages_current+0x173/0x350
[  695.164426]  __page_cache_alloc+0x38c/0x5c0
[  695.168751]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  695.173695]  ? kasan_check_read+0x11/0x20
[  695.177841]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  695.183125]  ? generic_perform_write+0x6a0/0x6a0
[  695.188058]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  695.193597]  ? check_preemption_disabled+0x48/0x280
[  695.198625]  filemap_fault+0x1595/0x25f0
[  695.202700]  ? __lock_page_or_retry+0xa00/0xa00
[  695.207376]  ? mark_held_locks+0x130/0x130
[  695.211624]  ? filemap_map_pages+0xd6b/0x1a20
[  695.216123]  ? lock_downgrade+0x900/0x900
[  695.220305]  ? check_preemption_disabled+0x48/0x280
[  695.225327]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  695.230260]  ? kasan_check_read+0x11/0x20
[  695.234417]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  695.239692]  ? rcu_softirq_qs+0x20/0x20
[  695.243685]  ? filemap_map_pages+0xd92/0x1a20
[  695.248220]  ? find_get_entries_tag+0x1400/0x1400
[  695.253082]  ? debug_object_destroy+0x2b0/0x2b0
[  695.257757]  ? lock_pi_update_atomic+0x150/0x150
[  695.262521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  695.268082]  ? lock_acquire+0x1ed/0x520
[  695.272080]  ? ext4_filemap_fault+0x7a/0xad
[  695.276428]  ? lock_release+0xa00/0xa00
[  695.280401]  ? perf_trace_sched_process_exec+0x860/0x860
[  695.285866]  ? print_usage_bug+0xc0/0xc0
[  695.289927]  ? print_usage_bug+0xc0/0xc0
[  695.293999]  ? down_read+0x8d/0x120
[  695.297623]  ? ext4_filemap_fault+0x7a/0xad
[  695.301946]  ? __down_interruptible+0x700/0x700
[  695.306622]  ext4_filemap_fault+0x82/0xad
[  695.310772]  __do_fault+0x100/0x6b0
[  695.314395]  ? release_sock+0x1ec/0x2c0
[  695.318374]  ? pmd_devmap_trans_unstable+0x220/0x220
[  695.323476]  ? mark_held_locks+0x130/0x130
[  695.327710]  ? mark_held_locks+0x130/0x130
[  695.331938]  ? lock_sock_nested+0x9a/0x120
[  695.336167]  ? __release_sock+0x3a0/0x3a0
[  695.340330]  ? __local_bh_enable_ip+0x160/0x260
[  695.345002]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  695.350556]  __handle_mm_fault+0x3ea0/0x5be0
[  695.354978]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  695.359837]  ? apparmor_socket_sendmsg+0x29/0x30
[  695.364608]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  695.370163]  ? security_socket_sendmsg+0x94/0xc0
[  695.374924]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  695.380474]  ? zap_class+0x640/0x640
[  695.384189]  ? zap_class+0x640/0x640
[  695.387914]  ? __x64_sys_futex+0x53e/0x6a0
[  695.392152]  ? find_held_lock+0x36/0x1c0
[  695.396252]  ? handle_mm_fault+0x42a/0xc70
[  695.400492]  ? lock_downgrade+0x900/0x900
[  695.404655]  ? check_preemption_disabled+0x48/0x280
[  695.409680]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  695.414628]  ? kasan_check_read+0x11/0x20
[  695.418778]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  695.424054]  ? rcu_softirq_qs+0x20/0x20
[  695.428029]  ? trace_hardirqs_off_caller+0x310/0x310
[  695.433149]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  695.438692]  ? check_preemption_disabled+0x48/0x280
[  695.443718]  handle_mm_fault+0x54f/0xc70
[  695.447785]  ? __handle_mm_fault+0x5be0/0x5be0
[  695.452377]  ? find_vma+0x34/0x190
[  695.455929]  __do_page_fault+0x5e8/0xe60
[  695.459992]  ? trace_hardirqs_off+0xb8/0x310
[  695.464400]  ? __ia32_sys_read+0xb0/0xb0
[  695.468472]  do_page_fault+0xf2/0x7e0
[  695.472281]  ? vmalloc_sync_all+0x30/0x30
[  695.476442]  ? error_entry+0x70/0xd0
[  695.480157]  ? trace_hardirqs_off_caller+0xbb/0x310
[  695.485174]  ? trace_hardirqs_on_caller+0xc0/0x310
[  695.490106]  ? syscall_return_slowpath+0x5e0/0x5e0
[  695.495035]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  695.499897]  ? trace_hardirqs_on_caller+0x310/0x310
[  695.504919]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  695.510374]  ? prepare_exit_to_usermode+0x291/0x3b0
[  695.515394]  ? page_fault+0x8/0x30
[  695.518937]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  695.523785]  ? page_fault+0x8/0x30
[  695.527329]  page_fault+0x1e/0x30
[  695.530792] RIP: 0033:0x45ddf3
[  695.534005] Code: Bad RIP value.
[  695.537367] RSP: 002b:000000c420023ea0 EFLAGS: 00010202
[  695.542728] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
[  695.550003] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  695.557269] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  695.564567] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  695.571978] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
[  695.579277] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304
[  695.579291] warn_alloc_show_mem: 1 callbacks suppressed
[  695.579299] Mem-Info:
[  695.586579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  695.591947] active_anon:59588 inactive_anon:187 isolated_anon:0
[  695.591947]  active_file:13 inactive_file:14 isolated_file:0
[  695.591947]  unevictable:0 dirty:0 writeback:0 unstable:0
[  695.591947]  slab_reclaimable:10147 slab_unreclaimable:1445690
[  695.591947]  mapped:49154 shmem:244 pagetables:690 bounce:0
[  695.591947]  free:13773 free_pcp:174 free_cma:0
[  695.594323] Call Trace:
[  695.603714] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  695.636663]  <IRQ>
[  695.639231] 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
[  695.666727]  dump_stack+0x244/0x39d
[  695.668851] lowmem_reserve[]: 0 2818 6321 6321
[  695.694956]  ? dump_stack_print_info.cold.1+0x20/0x20
[  695.698562] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  695.703149]  warn_alloc.cold.116+0xb7/0x1bd
[  695.708313] lowmem_reserve[]: 0 0 3503 3503
[  695.735804]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  695.740104] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB
[  695.744421]  ? lock_downgrade+0x900/0x900
[  695.749253] lowmem_reserve[]: 0 0 0 0
[  695.778140]  ? trace_hardirqs_off+0xb8/0x310
[  695.782258] 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
[  695.786055]  ? trace_hardirqs_off+0xb8/0x310
[  695.790437] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
[  695.803972]  __alloc_pages_slowpath+0x2651/0x2de0
[  695.808371] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  695.824345]  ? warn_alloc+0x120/0x120
[  695.829146] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  695.842749]  ? warn_alloc+0x120/0x120
[  695.846534] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  695.855355]  ? warn_alloc+0x120/0x120
[  695.859130] 271 total pagecache pages
[  695.867713]  ? print_usage_bug+0xc0/0xc0
[  695.871499] 0 pages in swap cache
[  695.875294]  ? print_usage_bug+0xc0/0xc0
[  695.879330] Swap cache stats: add 0, delete 0, find 0/0
[  695.882772]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  695.886809] Free swap  = 0kB
[  695.892171]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  695.897363] Total swap = 0kB
[  695.900381]  ? should_fail+0x22d/0xd01
[  695.905893] 1965979 pages RAM
[  695.908920]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  695.912799] 0 pages HighMem/MovableOnly
[  695.915899]  ? __lock_acquire+0x62f/0x4c20
[  695.920983] 342854 pages reserved
[  695.924952]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  695.929163] 0 pages cma reserved
[  695.932658]  ? __lock_acquire+0x62f/0x4c20
[  695.937814] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  695.941110]  ? should_fail+0x22d/0xd01
[  695.941135]  ? mark_held_locks+0x130/0x130
[  695.945463] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  695.951830]  ? mark_held_locks+0x130/0x130
[  695.955692] syz-fuzzer cpuset=/ mems_allowed=0
[  695.959925]  ? kvm_clock_read+0x18/0x30
[  695.983129]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  695.988149]  ? zap_class+0x640/0x640
[  695.991862]  ? __lock_acquire+0x62f/0x4c20
[  695.996097]  ? __lock_acquire+0x62f/0x4c20
[  696.000337]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  696.005885]  ? check_preemption_disabled+0x48/0x280
[  696.010916]  ? __lock_is_held+0xb5/0x140
[  696.014999]  __alloc_pages_nodemask+0xad8/0xea0
[  696.019674]  ? zap_class+0x640/0x640
[  696.023395]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  696.028425]  ? find_held_lock+0x36/0x1c0
[  696.032497]  ? ____cache_alloc_node+0x1c7/0x1e0
[  696.037197]  ? lock_downgrade+0x900/0x900
[  696.041381]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  696.046924]  cache_grow_begin+0xa5/0x8c0
[  696.050988]  ? do_raw_spin_unlock+0xa7/0x330
[  696.055404]  fallback_alloc+0x204/0x2e0
[  696.059386]  ____cache_alloc_node+0x1c7/0x1e0
[  696.063888]  kmem_cache_alloc+0x1f8/0x730
[  696.068054]  __build_skb+0xab/0x430
[  696.071685]  ? skb_try_coalesce+0x1b70/0x1b70
[  696.076198]  ? trace_hardirqs_on+0xbd/0x310
[  696.080518]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  696.085624]  ? br_send_bpdu.isra.7.constprop.8+0xa8/0xc80
[  696.091179]  ? trace_hardirqs_off_caller+0x310/0x310
[  696.096809]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  696.102352]  ? check_preemption_disabled+0x48/0x280
[  696.107375]  __netdev_alloc_skb+0x2b5/0x450
[  696.111745]  br_send_bpdu.isra.7.constprop.8+0xa8/0xc80
[  696.117175]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  696.122278]  ? mod_timer+0x631/0x1560
[  696.126083]  ? wake_up_klogd+0x180/0x180
[  696.130144]  ? br_send_bpdu_finish+0x20/0x20
[  696.134563]  ? mark_held_locks+0x130/0x130
[  696.138801]  ? __lock_acquire+0x62f/0x4c20
[  696.143036]  ? lockdep_hardirqs_on+0x240/0x5b0
[  696.147625]  ? kasan_check_read+0x11/0x20
[  696.151780]  br_send_config_bpdu+0xc9d/0x10a0
[  696.156276]  ? br_send_bpdu.isra.7.constprop.8+0xc80/0xc80
[  696.161954]  br_transmit_config+0x8cd/0xbb0
[  696.166279]  ? find_held_lock+0x36/0x1c0
[  696.170358]  ? br_get_port+0x280/0x280
[  696.174250]  ? lock_acquire+0x1ed/0x520
[  696.178230]  ? br_hello_timer_expired+0x20/0x190
[  696.182991]  ? kasan_check_read+0x11/0x20
[  696.187153]  br_config_bpdu_generation+0x16a/0x1c0
[  696.192100]  br_hello_timer_expired+0xa9/0x190
[  696.196684]  call_timer_fn+0x272/0x920
[  696.200587]  ? br_is_root_bridge+0x40/0x40
[  696.204823]  ? process_timeout+0x40/0x40
[  696.208891]  ? __run_timers+0x7da/0xc70
[  696.212864]  ? _raw_spin_unlock_irq+0x27/0x80
[  696.217357]  ? _raw_spin_unlock_irq+0x27/0x80
[  696.221851]  ? br_is_root_bridge+0x40/0x40
[  696.226100]  ? lockdep_hardirqs_on+0x296/0x5b0
[  696.230685]  ? trace_hardirqs_on+0xbd/0x310
[  696.235010]  ? kasan_check_read+0x11/0x20
[  696.239156]  ? __run_timers+0x7da/0xc70
[  696.243141]  ? trace_hardirqs_off_caller+0x310/0x310
[  696.248322]  ? br_is_root_bridge+0x40/0x40
[  696.252554]  __run_timers+0x7e5/0xc70
[  696.256366]  ? timer_fixup_init+0x70/0x70
[  696.260517]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  696.265534]  ? zap_class+0x640/0x640
[  696.269253]  ? enqueue_hrtimer+0x1a5/0x560
[  696.273494]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  696.278704]  ? find_held_lock+0x36/0x1c0
[  696.282770]  ? zap_class+0x640/0x640
[  696.286490]  ? pvclock_read_flags+0x160/0x160
[  696.290985]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  696.296537]  ? check_preemption_disabled+0x48/0x280
[  696.301567]  ? __lock_is_held+0xb5/0x140
[  696.305631]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  696.311168]  ? check_preemption_disabled+0x48/0x280
[  696.316189]  run_timer_softirq+0x52/0xb0
[  696.320254]  ? rcu_read_lock_sched_held+0x14f/0x180
[  696.325292]  __do_softirq+0x308/0xb7e
[  696.329099]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  696.333594]  ? lock_downgrade+0x900/0x900
[  696.337764]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  696.342889]  ? pvclock_read_flags+0x160/0x160
[  696.347387]  ? lapic_next_event+0x5a/0x90
[  696.351537]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  696.357117]  ? kvm_clock_read+0x18/0x30
[  696.361091]  ? kvm_sched_clock_read+0x9/0x20
[  696.365504]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  696.371040]  ? check_preemption_disabled+0x48/0x280
[  696.376075]  irq_exit+0x17f/0x1c0
[  696.379549]  smp_apic_timer_interrupt+0x1cb/0x760
[  696.384392]  ? smp_reschedule_interrupt+0x109/0x650
[  696.389431]  ? smp_call_function_single_interrupt+0x650/0x650
[  696.395317]  ? interrupt_entry+0xb5/0xc0
[  696.399374]  ? trace_hardirqs_off_caller+0xbb/0x310
[  696.404385]  ? trace_hardirqs_off_caller+0xbb/0x310
[  696.409407]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  696.414248]  ? trace_hardirqs_on_caller+0x310/0x310
[  696.419291]  ? trace_hardirqs_on_caller+0x310/0x310
[  696.424336]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  696.429184]  apic_timer_interrupt+0xf/0x20
[  696.433428]  </IRQ>
[  696.435680] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  696.441580] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
[  696.460494] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  696.468296] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  696.475610] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286
[  696.482894] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000
[  696.490158] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40
[  696.497425] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286
[  696.504719]  ? save_stack+0xa9/0xd0
[  696.508357]  __kmalloc_node_track_caller+0x3c/0x70
[  696.513297]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  696.518069]  pskb_expand_head+0x230/0x10f0
[  696.522308]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  696.527763]  ? memcpy+0x45/0x50
[  696.531049]  ? __copy_skb_header+0x350/0x6b0
[  696.535477]  ? skb_release_data+0x880/0x880
[  696.539810]  ? __alloc_skb+0x770/0x770
[  696.543706]  ? __lock_is_held+0xb5/0x140
[  696.547777]  ? kasan_check_write+0x14/0x20
[  696.552028]  ? __skb_clone+0x6c7/0xa00
[  696.555940]  ? __copy_skb_header+0x6b0/0x6b0
[  696.560349]  ? kmem_cache_alloc+0x33a/0x730
[  696.564681]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  696.570221]  skb_ensure_writable+0x3dd/0x640
[  696.574631]  ? skb_checksum_setup+0xaa0/0xaa0
[  696.579127]  ? preempt_notifier_register+0x200/0x200
[  696.584226]  ? __switch_to_asm+0x34/0x70
[  696.588303]  ? __switch_to_asm+0x34/0x70
[  696.592379]  ? __switch_to_asm+0x40/0x70
[  696.596468]  ? __switch_to_asm+0x34/0x70
[  696.600524]  ? __switch_to_asm+0x40/0x70
[  696.604585]  ? __switch_to_asm+0x40/0x70
[  696.608643]  ? __switch_to_asm+0x34/0x70
[  696.612734]  ? __switch_to_asm+0x34/0x70
[  696.616804]  ? __switch_to_asm+0x40/0x70
[  696.620867]  ? __switch_to_asm+0x34/0x70
[  696.624932]  bpf_clone_redirect+0x14a/0x490
[  696.629267]  bpf_prog_12ab75334035c288+0xfcd/0x1000
[  696.634301]  ? __sched_text_start+0x8/0x8
[  696.638448]  ? retint_kernel+0x2d/0x2d
[  696.642345]  ? find_held_lock+0x36/0x1c0
[  696.646414]  ? lock_acquire+0x1ed/0x520
[  696.650388]  ? bpf_test_run+0x3cb/0x780
[  696.654366]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  696.659909]  ? check_preemption_disabled+0x48/0x280
[  696.664932]  ? kasan_check_read+0x11/0x20
[  696.669095]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  696.674374]  ? rcu_softirq_qs+0x20/0x20
[  696.678349]  ? preempt_schedule+0x4d/0x60
[  696.682499]  ? ___preempt_schedule+0x16/0x18
[  696.686914]  ? bpf_test_run+0x25d/0x780
[  696.690904]  ? netlink_diag_dump+0x2a0/0x2a0
[  696.695321]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  696.700858]  ? bpf_test_init.isra.10+0x70/0x100
[  696.705556]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  696.710329]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  696.715170]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  696.720724]  ? fput+0x130/0x1a0
[  696.724036]  ? __bpf_prog_get+0x9b/0x290
[  696.728133]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  696.732982]  ? bpf_prog_test_run+0x130/0x1a0
[  696.737406]  ? __x64_sys_bpf+0x3d8/0x520
[  696.741468]  ? bpf_prog_get+0x20/0x20
[  696.745294]  ? do_syscall_64+0x1b9/0x820
[  696.749353]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  696.754720]  ? syscall_return_slowpath+0x5e0/0x5e0
[  696.759652]  ? trace_hardirqs_on_caller+0x310/0x310
[  696.764666]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  696.769718]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  696.776381]  ? __switch_to_asm+0x40/0x70
[  696.780436]  ? __switch_to_asm+0x34/0x70
[  696.784515]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  696.789377]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  696.794777] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
[  696.794918] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  696.801814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  696.812280] syz-executor3 cpuset=syz3 mems_allowed=0
[  696.821625] Call Trace:
[  696.829295]  <IRQ>
[  696.831453]  dump_stack+0x244/0x39d
[  696.835084]  ? dump_stack_print_info.cold.1+0x20/0x20
[  696.840309]  warn_alloc.cold.116+0xb7/0x1bd
[  696.844628]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  696.849502]  ? lock_downgrade+0x900/0x900
[  696.853690]  ? trace_hardirqs_off+0xb8/0x310
[  696.858103]  ? trace_hardirqs_off+0xb8/0x310
[  696.862517]  __alloc_pages_slowpath+0x2651/0x2de0
[  696.867411]  ? warn_alloc+0x120/0x120
[  696.871214]  ? print_usage_bug+0xc0/0xc0
[  696.875277]  ? warn_alloc+0x120/0x120
[  696.879094]  ? warn_alloc+0x120/0x120
[  696.882899]  ? print_usage_bug+0xc0/0xc0
[  696.886955]  ? kvm_clock_read+0x18/0x30
[  696.890943]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  696.895956]  ? print_usage_bug+0xc0/0xc0
[  696.900016]  ? __lock_acquire+0x62f/0x4c20
[  696.904259]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  696.909814]  ? should_fail+0x22d/0xd01
[  696.913698]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  696.918978]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  696.924077]  ? __lock_acquire+0x62f/0x4c20
[  696.928323]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  696.933422]  ? __lock_acquire+0x62f/0x4c20
[  696.937656]  ? should_fail+0x22d/0xd01
[  696.941541]  ? rcu_irq_exit+0x1a2/0x390
[  696.945553]  ? mark_held_locks+0x130/0x130
[  696.949794]  ? mark_held_locks+0x130/0x130
[  696.954038]  ? mark_held_locks+0xc7/0x130
[  696.958202]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  696.963221]  ? zap_class+0x640/0x640
[  696.966948]  ? print_usage_bug+0xc0/0xc0
[  696.971028]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  696.976578]  ? check_preemption_disabled+0x48/0x280
[  696.981606]  ? __lock_is_held+0xb5/0x140
[  696.985673]  __alloc_pages_nodemask+0xad8/0xea0
[  696.990366]  ? zap_class+0x640/0x640
[  696.994082]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  696.999108]  ? find_held_lock+0x36/0x1c0
[  697.003208]  ? ____cache_alloc_node+0x1c7/0x1e0
[  697.007894]  ? lock_downgrade+0x900/0x900
[  697.012057]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  697.017602]  cache_grow_begin+0xa5/0x8c0
[  697.021665]  ? do_raw_spin_unlock+0xa7/0x330
[  697.026081]  fallback_alloc+0x204/0x2e0
[  697.030063]  ____cache_alloc_node+0x1c7/0x1e0
[  697.034568]  kmem_cache_alloc_node+0xe3/0x730
[  697.039063]  ? ipv6_get_ifaddr+0x42e/0x620
[  697.043333]  __alloc_skb+0x119/0x770
[  697.047043]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  697.052339]  ? netdev_alloc_frag+0x1f0/0x1f0
[  697.056778]  ? lock_downgrade+0x900/0x900
[  697.060948]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  697.066483]  ? refcount_sub_and_test_checked+0x203/0x310
[  697.071940]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  697.077393]  ? addrconf_rs_timer+0x690/0x690
[  697.081815]  ndisc_alloc_skb+0x144/0x340
[  697.085885]  ndisc_send_rs+0x331/0x6e0
[  697.089778]  addrconf_rs_timer+0x314/0x690
[  697.094021]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  697.098280]  call_timer_fn+0x272/0x920
[  697.102176]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  697.106409]  ? process_timeout+0x40/0x40
[  697.110480]  ? mark_held_locks+0xc7/0x130
[  697.114643]  ? _raw_spin_unlock_irq+0x27/0x80
[  697.119133]  ? _raw_spin_unlock_irq+0x27/0x80
[  697.123625]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  697.127862]  ? lockdep_hardirqs_on+0x296/0x5b0
[  697.132446]  ? trace_hardirqs_on+0xbd/0x310
[  697.136781]  ? kasan_check_read+0x11/0x20
[  697.140931]  ? __run_timers+0x7da/0xc70
[  697.144906]  ? trace_hardirqs_off_caller+0x310/0x310
[  697.150013]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  697.154251]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  697.158492]  __run_timers+0x7e5/0xc70
[  697.162309]  ? timer_fixup_init+0x70/0x70
[  697.166458]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  697.171478]  ? zap_class+0x640/0x640
[  697.175199]  ? print_usage_bug+0xc0/0xc0
[  697.179275]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  697.184501]  ? find_held_lock+0x36/0x1c0
[  697.188603]  ? zap_class+0x640/0x640
[  697.192348]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  697.197927]  ? check_preemption_disabled+0x48/0x280
[  697.202968]  ? __lock_is_held+0xb5/0x140
[  697.207042]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  697.212625]  ? check_preemption_disabled+0x48/0x280
[  697.217644]  run_timer_softirq+0x52/0xb0
[  697.221705]  ? rcu_read_lock_sched_held+0x14f/0x180
[  697.226733]  __do_softirq+0x308/0xb7e
[  697.230540]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  697.235043]  ? lock_downgrade+0x900/0x900
[  697.239197]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  697.244330]  ? pvclock_read_flags+0x160/0x160
[  697.248830]  ? lapic_next_event+0x5a/0x90
[  697.252980]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  697.258534]  ? kvm_clock_read+0x18/0x30
[  697.262550]  ? kvm_sched_clock_read+0x9/0x20
[  697.266963]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  697.272505]  ? check_preemption_disabled+0x48/0x280
[  697.277531]  irq_exit+0x17f/0x1c0
[  697.280995]  smp_apic_timer_interrupt+0x1cb/0x760
[  697.285842]  ? smp_call_function_single_interrupt+0x159/0x650
[  697.291740]  ? smp_call_function_single_interrupt+0x650/0x650
[  697.297643]  ? interrupt_entry+0xb5/0xc0
[  697.301710]  ? trace_hardirqs_off_caller+0xbb/0x310
[  697.306720]  ? trace_hardirqs_off_caller+0xbb/0x310
[  697.311764]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  697.316608]  ? trace_hardirqs_on_caller+0x310/0x310
[  697.321629]  ? trace_hardirqs_on_caller+0x310/0x310
[  697.326687]  ? task_prio+0x50/0x50
[  697.330245]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  697.335784]  ? check_preemption_disabled+0x48/0x280
[  697.340811]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  697.345665]  apic_timer_interrupt+0xf/0x20
[  697.349895]  </IRQ>
[  697.352130] RIP: 0010:rcu_is_watching+0x0/0x30
[  697.356714] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
[  697.375611] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  697.383331] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
[  697.390616] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
[  697.397899] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
[  697.405164] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
[  697.412428] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  697.419731]  ? list_lru_count_one+0x253/0x450
[  697.424225]  ? list_lru_count_one+0x35d/0x450
[  697.428726]  ? list_lru_count_one+0x362/0x450
[  697.433224]  ? list_lru_isolate_move+0x3c0/0x3c0
[  697.437982]  ? shmem_free_inode+0xd0/0xd0
[  697.442180]  ? __lock_is_held+0xb5/0x140
[  697.446262]  super_cache_count+0x1b9/0x2e0
[  697.450539]  do_shrink_slab+0x1b1/0xd30
[  697.454532]  ? snapshot_refaults+0x290/0x290
[  697.458950]  ? lock_release+0xa00/0xa00
[  697.462928]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  697.467867]  ? down_read_trylock+0xda/0x140
[  697.472184]  ? shrink_slab+0x207/0x8c0
[  697.476074]  ? downgrade_write+0x270/0x270
[  697.480334]  shrink_slab+0x389/0x8c0
[  697.484047]  ? shrink_active_list+0x1f00/0x1f00
[  697.488725]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  697.494356]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  697.499482]  ? cgroup_procs_write_finish+0xf0/0xf0
[  697.504417]  ? find_held_lock+0x36/0x1c0
[  697.508486]  shrink_node+0x431/0x16b0
[  697.512297]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  697.517607]  ? shrink_node_memcg+0x18f0/0x18f0
[  697.522195]  ? kvm_clock_read+0x18/0x30
[  697.526191]  ? ktime_get+0x2c1/0x400
[  697.529938]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  697.534447]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  697.539983]  ? __cpuset_node_allowed+0x19b/0x660
[  697.544744]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  697.550462]  ? delayacct_end+0x5a/0x100
[  697.554450]  do_try_to_free_pages+0x3e7/0x1290
[  697.559032]  ? zap_class+0x640/0x640
[  697.562763]  ? shrink_node+0x16b0/0x16b0
[  697.566863]  ? __lock_is_held+0xb5/0x140
[  697.570942]  try_to_free_pages+0x4d0/0xb90
[  697.575184]  ? do_try_to_free_pages+0x1290/0x1290
[  697.580045]  ? lock_acquire+0x1ed/0x520
[  697.584022]  ? set_page_refcounted+0x280/0x280
[  697.588612]  ? lock_release+0xa00/0xa00
[  697.592609]  ? _raw_spin_unlock_irq+0x60/0x80
[  697.597104]  ? psi_memstall_enter+0x240/0x2b0
[  697.601616]  ? psi_memstall_tick+0x230/0x230
[  697.606038]  __alloc_pages_slowpath+0xa48/0x2de0
[  697.610827]  ? warn_alloc+0x120/0x120
[  697.614631]  ? mark_held_locks+0x130/0x130
[  697.618876]  ? find_get_entry+0xaae/0x1120
[  697.623126]  ? filemap_map_pages+0x1a20/0x1a20
[  697.627713]  ? zap_class+0x640/0x640
[  697.631440]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  697.636983]  ? check_preemption_disabled+0x48/0x280
[  697.641999]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  697.647540]  ? should_fail+0x22d/0xd01
[  697.651436]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  697.656563]  ? zap_class+0x640/0x640
[  697.660316]  ? __lock_is_held+0xb5/0x140
[  697.664419]  ? mark_held_locks+0x130/0x130
[  697.668659]  ? lock_release+0xa00/0xa00
[  697.672637]  ? perf_trace_sched_process_exec+0x860/0x860
[  697.678090]  ? xa_load+0x2ba/0x460
[  697.681630]  ? lock_downgrade+0x900/0x900
[  697.685784]  ? __might_sleep+0x95/0x190
[  697.689763]  __alloc_pages_nodemask+0xad8/0xea0
[  697.694446]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  697.699467]  ? __page_cache_alloc+0x191/0x5c0
[  697.703959]  ? xa_load+0x2e1/0x460
[  697.707501]  ? xa_clear_mark+0x40/0x40
[  697.711387]  ? zap_class+0x640/0x640
[  697.715109]  ? zap_class+0x640/0x640
[  697.718820]  ? zap_class+0x640/0x640
[  697.722533]  ? __do_page_cache_readahead+0x663/0x810
[  697.727698]  ? find_held_lock+0x36/0x1c0
[  697.731768]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  697.737316]  alloc_pages_current+0x173/0x350
[  697.741732]  __page_cache_alloc+0x38c/0x5c0
[  697.746050]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  697.750980]  ? kasan_check_read+0x11/0x20
[  697.755134]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  697.760414]  ? generic_perform_write+0x6a0/0x6a0
[  697.765170]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  697.770709]  ? check_preemption_disabled+0x48/0x280
[  697.775734]  filemap_fault+0x1595/0x25f0
[  697.779811]  ? __lock_page_or_retry+0xa00/0xa00
[  697.784487]  ? mark_held_locks+0x130/0x130
[  697.788734]  ? filemap_map_pages+0xd6b/0x1a20
[  697.793233]  ? lock_downgrade+0x900/0x900
[  697.797380]  ? check_preemption_disabled+0x48/0x280
[  697.802405]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  697.807338]  ? kasan_check_read+0x11/0x20
[  697.811483]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  697.816763]  ? rcu_softirq_qs+0x20/0x20
[  697.820756]  ? filemap_map_pages+0xd92/0x1a20
[  697.825264]  ? find_get_entries_tag+0x1400/0x1400
[  697.830149]  ? debug_object_destroy+0x2b0/0x2b0
[  697.834822]  ? lock_pi_update_atomic+0x150/0x150
[  697.839609]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  697.845176]  ? lock_acquire+0x1ed/0x520
[  697.849150]  ? ext4_filemap_fault+0x7a/0xad
[  697.853505]  ? lock_release+0xa00/0xa00
[  697.857483]  ? perf_trace_sched_process_exec+0x860/0x860
[  697.862933]  ? print_usage_bug+0xc0/0xc0
[  697.867015]  ? print_usage_bug+0xc0/0xc0
[  697.871090]  ? down_read+0x8d/0x120
[  697.874718]  ? ext4_filemap_fault+0x7a/0xad
[  697.879039]  ? __down_interruptible+0x700/0x700
[  697.883719]  ext4_filemap_fault+0x82/0xad
[  697.887873]  __do_fault+0x100/0x6b0
[  697.891502]  ? release_sock+0x1ec/0x2c0
[  697.895484]  ? pmd_devmap_trans_unstable+0x220/0x220
[  697.900591]  ? mark_held_locks+0x130/0x130
[  697.904828]  ? mark_held_locks+0x130/0x130
[  697.909061]  ? lock_sock_nested+0x9a/0x120
[  697.913304]  ? __release_sock+0x3a0/0x3a0
[  697.917457]  ? __local_bh_enable_ip+0x160/0x260
[  697.922134]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  697.927711]  __handle_mm_fault+0x3ea0/0x5be0
[  697.932154]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  697.937004]  ? apparmor_socket_sendmsg+0x29/0x30
[  697.941756]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  697.947302]  ? security_socket_sendmsg+0x94/0xc0
[  697.952095]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  697.957652]  ? zap_class+0x640/0x640
[  697.961371]  ? zap_class+0x640/0x640
[  697.965319]  ? __x64_sys_futex+0x53e/0x6a0
[  697.969566]  ? find_held_lock+0x36/0x1c0
[  697.973637]  ? handle_mm_fault+0x42a/0xc70
[  697.977874]  ? lock_downgrade+0x900/0x900
[  697.982026]  ? check_preemption_disabled+0x48/0x280
[  697.987046]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  697.991973]  ? kasan_check_read+0x11/0x20
[  697.996121]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  698.001401]  ? rcu_softirq_qs+0x20/0x20
[  698.005375]  ? trace_hardirqs_off_caller+0x310/0x310
[  698.010485]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  698.016037]  ? check_preemption_disabled+0x48/0x280
[  698.021076]  handle_mm_fault+0x54f/0xc70
[  698.025143]  ? __handle_mm_fault+0x5be0/0x5be0
[  698.029728]  ? find_vma+0x34/0x190
[  698.033313]  __do_page_fault+0x5e8/0xe60
[  698.037377]  ? trace_hardirqs_off+0xb8/0x310
[  698.041787]  ? __ia32_sys_read+0xb0/0xb0
[  698.046035]  do_page_fault+0xf2/0x7e0
[  698.049838]  ? vmalloc_sync_all+0x30/0x30
[  698.054005]  ? error_entry+0x70/0xd0
[  698.057744]  ? trace_hardirqs_off_caller+0xbb/0x310
[  698.062770]  ? trace_hardirqs_on_caller+0xc0/0x310
[  698.067713]  ? syscall_return_slowpath+0x5e0/0x5e0
[  698.072639]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  698.077501]  ? trace_hardirqs_on_caller+0x310/0x310
[  698.082516]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  698.087978]  ? prepare_exit_to_usermode+0x291/0x3b0
[  698.092991]  ? page_fault+0x8/0x30
[  698.096734]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  698.101586]  ? page_fault+0x8/0x30
[  698.105130]  page_fault+0x1e/0x30
[  698.108595] RIP: 0033:0x45ddf3
[  698.111796] Code: Bad RIP value.
[  698.115170] RSP: 002b:000000c420023ea0 EFLAGS: 00010202
[  698.120557] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
[  698.127822] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  698.135175] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  698.142445] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  698.149711] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
[  698.157005] warn_alloc_show_mem: 1 callbacks suppressed
[  698.157017] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304
[  698.157019] Mem-Info:
[  698.157050] active_anon:59588 inactive_anon:187 isolated_anon:0
[  698.157050]  active_file:13 inactive_file:14 isolated_file:0
[  698.157050]  unevictable:0 dirty:0 writeback:0 unstable:0
[  698.157050]  slab_reclaimable:10147 slab_unreclaimable:1445690
[  698.157050]  mapped:49154 shmem:244 pagetables:690 bounce:0
[  698.157050]  free:13773 free_pcp:174 free_cma:0
[  698.162394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  698.169673] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  698.172079] Call Trace:
[  698.205043] 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
[  698.214399]  <IRQ>
[  698.241883] lowmem_reserve[]: 0 2818 6321 6321
[  698.244484]  dump_stack+0x244/0x39d
[  698.270594] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  698.272799]  ? dump_stack_print_info.cold.1+0x20/0x20
[  698.277352] lowmem_reserve[]: 0 0 3503 3503
[  698.280997]  warn_alloc.cold.116+0xb7/0x1bd
[  698.308462] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB
[  698.313647]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  698.317959] lowmem_reserve[]: 0 0 0 0
[  698.322297]  ? lock_downgrade+0x900/0x900
[  698.351165] 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
[  698.356015]  ? trace_hardirqs_off+0xb8/0x310
[  698.359782] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
[  698.363924]  ? trace_hardirqs_off+0xb8/0x310
[  698.377418] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  698.381825]  __alloc_pages_slowpath+0x2651/0x2de0
[  698.397755] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  698.402177]  ? warn_alloc+0x120/0x120
[  698.415743] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  698.420578]  ? warn_alloc+0x120/0x120
[  698.429407] 271 total pagecache pages
[  698.433223]  ? warn_alloc+0x120/0x120
[  698.441777] 0 pages in swap cache
[  698.445581]  ? print_usage_bug+0xc0/0xc0
[  698.449359] Swap cache stats: add 0, delete 0, find 0/0
[  698.453148]  ? enqueue_hrtimer+0x1a5/0x560
[  698.456581] Free swap  = 0kB
[  698.460634]  ? print_usage_bug+0xc0/0xc0
[  698.465974] Total swap = 0kB
[  698.470200]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  698.473198] 1965979 pages RAM
[  698.477257]  ? print_usage_bug+0xc0/0xc0
[  698.480247] 0 pages HighMem/MovableOnly
[  698.485431]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  698.488526] 342854 pages reserved
[  698.492583]  ? should_fail+0x22d/0xd01
[  698.496531] 0 pages cma reserved
[  698.502064]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  698.505573] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  698.509388]  ? __lock_acquire+0x62f/0x4c20
[  698.512938] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  698.517836]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  698.524311] syz-fuzzer cpuset=/ mems_allowed=0
[  698.528532]  ? __lock_acquire+0x62f/0x4c20
[  698.528548]  ? should_fail+0x22d/0xd01
[  698.556519]  ? mark_held_locks+0x130/0x130
[  698.560759]  ? mark_held_locks+0x130/0x130
[  698.565001]  ? mark_held_locks+0x130/0x130
[  698.569253]  ? zap_class+0x640/0x640
[  698.572978]  ? check_preemption_disabled+0x48/0x280
[  698.578012]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  698.582517]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  698.588059]  ? check_preemption_disabled+0x48/0x280
[  698.593112]  ? __lock_is_held+0xb5/0x140
[  698.597177]  __alloc_pages_nodemask+0xad8/0xea0
[  698.601865]  ? zap_class+0x640/0x640
[  698.605583]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  698.610610]  ? find_held_lock+0x36/0x1c0
[  698.614681]  ? ____cache_alloc_node+0x1c7/0x1e0
[  698.619356]  ? lock_downgrade+0x900/0x900
[  698.623517]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  698.629062]  cache_grow_begin+0xa5/0x8c0
[  698.633127]  ? do_raw_spin_unlock+0xa7/0x330
[  698.637548]  fallback_alloc+0x204/0x2e0
[  698.641534]  ____cache_alloc_node+0x1c7/0x1e0
[  698.646052]  kmem_cache_alloc+0x1f8/0x730
[  698.650242]  __build_skb+0xab/0x430
[  698.653873]  ? skb_try_coalesce+0x1b70/0x1b70
[  698.658368]  ? trace_hardirqs_on+0xbd/0x310
[  698.662694]  ? br_send_bpdu.isra.7.constprop.8+0xa8/0xc80
[  698.668235]  ? trace_hardirqs_off_caller+0x310/0x310
[  698.673338]  ? mod_timer+0x631/0x1560
[  698.677140]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  698.682678]  ? check_preemption_disabled+0x48/0x280
[  698.687703]  __netdev_alloc_skb+0x2b5/0x450
[  698.692037]  br_send_bpdu.isra.7.constprop.8+0xa8/0xc80
[  698.697412]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  698.702519]  ? mod_timer+0x631/0x1560
[  698.706322]  ? wake_up_klogd+0x180/0x180
[  698.710385]  ? br_send_bpdu_finish+0x20/0x20
[  698.714802]  ? mark_held_locks+0x130/0x130
[  698.719037]  ? __lock_acquire+0x62f/0x4c20
[  698.723278]  ? lockdep_hardirqs_on+0x240/0x5b0
[  698.727877]  ? kasan_check_read+0x11/0x20
[  698.732031]  br_send_config_bpdu+0xc9d/0x10a0
[  698.736537]  ? br_send_bpdu.isra.7.constprop.8+0xc80/0xc80
[  698.742191]  ? round_jiffies+0x11c/0x170
[  698.746267]  br_transmit_config+0x8cd/0xbb0
[  698.750606]  ? find_held_lock+0x36/0x1c0
[  698.754670]  ? br_get_port+0x280/0x280
[  698.758558]  ? lock_acquire+0x1ed/0x520
[  698.762532]  ? br_hello_timer_expired+0x20/0x190
[  698.767310]  ? kasan_check_read+0x11/0x20
[  698.771489]  br_config_bpdu_generation+0x16a/0x1c0
[  698.776425]  br_hello_timer_expired+0xa9/0x190
[  698.781009]  call_timer_fn+0x272/0x920
[  698.784895]  ? br_is_root_bridge+0x40/0x40
[  698.789127]  ? process_timeout+0x40/0x40
[  698.793194]  ? __run_timers+0x7da/0xc70
[  698.797173]  ? _raw_spin_unlock_irq+0x27/0x80
[  698.801665]  ? _raw_spin_unlock_irq+0x27/0x80
[  698.806155]  ? br_is_root_bridge+0x40/0x40
[  698.810390]  ? lockdep_hardirqs_on+0x296/0x5b0
[  698.814976]  ? trace_hardirqs_on+0xbd/0x310
[  698.819307]  ? kasan_check_read+0x11/0x20
[  698.823466]  ? __run_timers+0x7da/0xc70
[  698.827442]  ? trace_hardirqs_off_caller+0x310/0x310
[  698.832560]  ? br_is_root_bridge+0x40/0x40
[  698.836792]  __run_timers+0x7e5/0xc70
[  698.840627]  ? timer_fixup_init+0x70/0x70
[  698.844774]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  698.849826]  ? zap_class+0x640/0x640
[  698.853547]  ? enqueue_hrtimer+0x1a5/0x560
[  698.857787]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  698.862986]  ? find_held_lock+0x36/0x1c0
[  698.867056]  ? zap_class+0x640/0x640
[  698.870779]  ? pvclock_read_flags+0x160/0x160
[  698.875280]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  698.880831]  ? check_preemption_disabled+0x48/0x280
[  698.885861]  ? __lock_is_held+0xb5/0x140
[  698.889928]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  698.895463]  ? check_preemption_disabled+0x48/0x280
[  698.900485]  run_timer_softirq+0x52/0xb0
[  698.904545]  ? rcu_read_lock_sched_held+0x14f/0x180
[  698.909564]  __do_softirq+0x308/0xb7e
[  698.913378]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  698.917868]  ? lock_downgrade+0x900/0x900
[  698.922016]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  698.927149]  ? pvclock_read_flags+0x160/0x160
[  698.931647]  ? lapic_next_event+0x5a/0x90
[  698.935799]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  698.941347]  ? kvm_clock_read+0x18/0x30
[  698.945330]  ? kvm_sched_clock_read+0x9/0x20
[  698.949744]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  698.955295]  ? check_preemption_disabled+0x48/0x280
[  698.960355]  irq_exit+0x17f/0x1c0
[  698.963828]  smp_apic_timer_interrupt+0x1cb/0x760
[  698.968673]  ? smp_reschedule_interrupt+0x109/0x650
[  698.973695]  ? smp_call_function_single_interrupt+0x650/0x650
[  698.979580]  ? interrupt_entry+0xb5/0xc0
[  698.983657]  ? trace_hardirqs_off_caller+0xbb/0x310
[  698.988670]  ? trace_hardirqs_off_caller+0xbb/0x310
[  698.993691]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  698.998535]  ? trace_hardirqs_on_caller+0x310/0x310
[  699.003548]  ? trace_hardirqs_on_caller+0x310/0x310
[  699.008580]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  699.013464]  apic_timer_interrupt+0xf/0x20
[  699.017735]  </IRQ>
[  699.020005] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  699.025908] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
[  699.044811] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  699.052531] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  699.059810] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286
[  699.067079] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000
[  699.074358] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40
[  699.081625] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286
[  699.088920]  ? save_stack+0xa9/0xd0
[  699.092610]  __kmalloc_node_track_caller+0x3c/0x70
[  699.097567]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  699.102330]  pskb_expand_head+0x230/0x10f0
[  699.106565]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  699.112021]  ? memcpy+0x45/0x50
[  699.115328]  ? __copy_skb_header+0x350/0x6b0
[  699.119739]  ? skb_release_data+0x880/0x880
[  699.124068]  ? __alloc_skb+0x770/0x770
[  699.127980]  ? __lock_is_held+0xb5/0x140
[  699.132055]  ? kasan_check_write+0x14/0x20
[  699.136301]  ? __skb_clone+0x6c7/0xa00
[  699.140194]  ? __copy_skb_header+0x6b0/0x6b0
[  699.144605]  ? kmem_cache_alloc+0x33a/0x730
[  699.148933]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  699.154481]  skb_ensure_writable+0x3dd/0x640
[  699.158918]  ? skb_checksum_setup+0xaa0/0xaa0
[  699.163416]  ? preempt_notifier_register+0x200/0x200
[  699.168518]  ? __switch_to_asm+0x34/0x70
[  699.172596]  ? __switch_to_asm+0x34/0x70
[  699.176692]  ? __switch_to_asm+0x40/0x70
[  699.180745]  ? __switch_to_asm+0x34/0x70
[  699.184844]  ? __switch_to_asm+0x40/0x70
[  699.188933]  ? __switch_to_asm+0x40/0x70
[  699.192987]  ? __switch_to_asm+0x34/0x70
[  699.197061]  ? __switch_to_asm+0x34/0x70
[  699.201118]  ? __switch_to_asm+0x40/0x70
[  699.205174]  ? __switch_to_asm+0x34/0x70
[  699.209244]  bpf_clone_redirect+0x14a/0x490
[  699.213571]  bpf_prog_12ab75334035c288+0xfcd/0x1000
[  699.218595]  ? __sched_text_start+0x8/0x8
[  699.222746]  ? retint_kernel+0x2d/0x2d
[  699.226642]  ? find_held_lock+0x36/0x1c0
[  699.230727]  ? lock_acquire+0x1ed/0x520
[  699.234702]  ? bpf_test_run+0x3cb/0x780
[  699.238676]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  699.244215]  ? check_preemption_disabled+0x48/0x280
[  699.249248]  ? kasan_check_read+0x11/0x20
[  699.253403]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  699.258734]  ? rcu_softirq_qs+0x20/0x20
[  699.262709]  ? preempt_schedule+0x4d/0x60
[  699.266858]  ? ___preempt_schedule+0x16/0x18
[  699.271298]  ? bpf_test_run+0x25d/0x780
[  699.275298]  ? netlink_diag_dump+0x2a0/0x2a0
[  699.279711]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  699.285250]  ? bpf_test_init.isra.10+0x70/0x100
[  699.289934]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  699.294698]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  699.299536]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  699.305084]  ? fput+0x130/0x1a0
[  699.308410]  ? __bpf_prog_get+0x9b/0x290
[  699.312488]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  699.317377]  ? bpf_prog_test_run+0x130/0x1a0
[  699.321787]  ? __x64_sys_bpf+0x3d8/0x520
[  699.325844]  ? bpf_prog_get+0x20/0x20
[  699.329675]  ? do_syscall_64+0x1b9/0x820
[  699.333732]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  699.339098]  ? syscall_return_slowpath+0x5e0/0x5e0
[  699.344031]  ? trace_hardirqs_on_caller+0x310/0x310
[  699.349072]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  699.354177]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  699.360859]  ? __switch_to_asm+0x40/0x70
[  699.364918]  ? __switch_to_asm+0x34/0x70
[  699.368985]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  699.373834]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  699.379230] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
[  699.379381] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  699.386246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  699.396713] syz-executor3 cpuset=syz3 mems_allowed=0
[  699.406049] Call Trace:
[  699.406072]  <IRQ>
[  699.415875]  dump_stack+0x244/0x39d
[  699.419508]  ? dump_stack_print_info.cold.1+0x20/0x20
[  699.424711]  warn_alloc.cold.116+0xb7/0x1bd
[  699.429050]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  699.433895]  ? lock_downgrade+0x900/0x900
[  699.438050]  ? trace_hardirqs_off+0xb8/0x310
[  699.442465]  ? trace_hardirqs_off+0xb8/0x310
[  699.446881]  __alloc_pages_slowpath+0x2651/0x2de0
[  699.451767]  ? warn_alloc+0x120/0x120
[  699.455582]  ? warn_alloc+0x120/0x120
[  699.459386]  ? warn_alloc+0x120/0x120
[  699.463187]  ? print_usage_bug+0xc0/0xc0
[  699.467254]  ? print_usage_bug+0xc0/0xc0
[  699.471351]  ? __lock_acquire+0x62f/0x4c20
[  699.475601]  ? __lock_acquire+0x62f/0x4c20
[  699.479873]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  699.485409]  ? should_fail+0x22d/0xd01
[  699.489322]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  699.494432]  ? __lock_acquire+0x62f/0x4c20
[  699.498671]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  699.503770]  ? __lock_acquire+0x62f/0x4c20
[  699.507995]  ? should_fail+0x22d/0xd01
[  699.511887]  ? mark_held_locks+0x130/0x130
[  699.516142]  ? mark_held_locks+0x130/0x130
[  699.520393]  ? __local_bh_enable_ip+0x160/0x260
[  699.525062]  ? lockdep_hardirqs_on+0x296/0x5b0
[  699.529655]  ? trace_hardirqs_on+0xbd/0x310
[  699.533976]  ? zap_class+0x640/0x640
[  699.537691]  ? print_usage_bug+0xc0/0xc0
[  699.541756]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  699.547326]  ? check_preemption_disabled+0x48/0x280
[  699.552357]  ? __lock_is_held+0xb5/0x140
[  699.556426]  __alloc_pages_nodemask+0xad8/0xea0
[  699.561121]  ? zap_class+0x640/0x640
[  699.564853]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  699.569886]  ? find_held_lock+0x36/0x1c0
[  699.573961]  ? ____cache_alloc_node+0x1c7/0x1e0
[  699.578633]  ? lock_downgrade+0x900/0x900
[  699.582801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  699.588343]  cache_grow_begin+0xa5/0x8c0
[  699.592412]  ? do_raw_spin_unlock+0xa7/0x330
[  699.596829]  fallback_alloc+0x204/0x2e0
[  699.600811]  ____cache_alloc_node+0x1c7/0x1e0
[  699.605327]  kmem_cache_alloc_node+0xe3/0x730
[  699.609842]  ? ipv6_get_ifaddr+0x42e/0x620
[  699.614085]  __alloc_skb+0x119/0x770
[  699.617796]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  699.623071]  ? netdev_alloc_frag+0x1f0/0x1f0
[  699.627476]  ? lock_downgrade+0x900/0x900
[  699.631661]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  699.637201]  ? refcount_sub_and_test_checked+0x203/0x310
[  699.642661]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  699.648110]  ? addrconf_rs_timer+0x690/0x690
[  699.652569]  ndisc_alloc_skb+0x144/0x340
[  699.656636]  ndisc_send_rs+0x331/0x6e0
[  699.660528]  addrconf_rs_timer+0x314/0x690
[  699.664794]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  699.669038]  call_timer_fn+0x272/0x920
[  699.672925]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  699.677179]  ? process_timeout+0x40/0x40
[  699.681252]  ? mark_held_locks+0xc7/0x130
[  699.685409]  ? _raw_spin_unlock_irq+0x27/0x80
[  699.689908]  ? _raw_spin_unlock_irq+0x27/0x80
[  699.694400]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  699.698631]  ? lockdep_hardirqs_on+0x296/0x5b0
[  699.703215]  ? trace_hardirqs_on+0xbd/0x310
[  699.707536]  ? kasan_check_read+0x11/0x20
[  699.711749]  ? __run_timers+0x7da/0xc70
[  699.715726]  ? trace_hardirqs_off_caller+0x310/0x310
[  699.720845]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  699.725080]  __run_timers+0x7e5/0xc70
[  699.728891]  ? timer_fixup_init+0x70/0x70
[  699.733046]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  699.738065]  ? zap_class+0x640/0x640
[  699.741832]  ? print_usage_bug+0xc0/0xc0
[  699.745942]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  699.751142]  ? find_held_lock+0x36/0x1c0
[  699.755206]  ? zap_class+0x640/0x640
[  699.758925]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  699.764468]  ? check_preemption_disabled+0x48/0x280
[  699.769497]  ? __lock_is_held+0xb5/0x140
[  699.773566]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  699.779106]  ? check_preemption_disabled+0x48/0x280
[  699.784131]  run_timer_softirq+0x52/0xb0
[  699.788190]  ? rcu_read_lock_sched_held+0x14f/0x180
[  699.793221]  __do_softirq+0x308/0xb7e
[  699.797026]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  699.801520]  ? lock_downgrade+0x900/0x900
[  699.805682]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  699.810796]  ? pvclock_read_flags+0x160/0x160
[  699.815302]  ? lapic_next_event+0x5a/0x90
[  699.819453]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  699.824999]  ? kvm_clock_read+0x18/0x30
[  699.828974]  ? kvm_sched_clock_read+0x9/0x20
[  699.833383]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  699.838923]  ? check_preemption_disabled+0x48/0x280
[  699.843944]  irq_exit+0x17f/0x1c0
[  699.847398]  smp_apic_timer_interrupt+0x1cb/0x760
[  699.852242]  ? smp_call_function_single_interrupt+0x159/0x650
[  699.858129]  ? smp_call_function_single_interrupt+0x650/0x650
[  699.864016]  ? interrupt_entry+0xb5/0xc0
[  699.868108]  ? trace_hardirqs_off_caller+0xbb/0x310
[  699.873152]  ? trace_hardirqs_off_caller+0xbb/0x310
[  699.878173]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  699.883021]  ? trace_hardirqs_on_caller+0x310/0x310
[  699.888037]  ? trace_hardirqs_on_caller+0x310/0x310
[  699.893068]  ? task_prio+0x50/0x50
[  699.896613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  699.902155]  ? check_preemption_disabled+0x48/0x280
[  699.907174]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  699.912025]  apic_timer_interrupt+0xf/0x20
[  699.916268]  </IRQ>
[  699.918515] RIP: 0010:rcu_is_watching+0x0/0x30
[  699.923133] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
[  699.942032] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  699.949756] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
[  699.957025] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
[  699.964517] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
[  699.971792] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
[  699.979059] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  699.986351]  ? list_lru_count_one+0x253/0x450
[  699.990847]  ? list_lru_count_one+0x35d/0x450
[  699.995352]  ? list_lru_count_one+0x362/0x450
[  699.999849]  ? list_lru_isolate_move+0x3c0/0x3c0
[  700.004604]  ? shmem_free_inode+0xd0/0xd0
[  700.008755]  ? __lock_is_held+0xb5/0x140
[  700.012830]  super_cache_count+0x1b9/0x2e0
[  700.017069]  do_shrink_slab+0x1b1/0xd30
[  700.021055]  ? snapshot_refaults+0x290/0x290
[  700.025472]  ? lock_release+0xa00/0xa00
[  700.029455]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  700.034399]  ? down_read_trylock+0xda/0x140
[  700.038721]  ? shrink_slab+0x207/0x8c0
[  700.042611]  ? downgrade_write+0x270/0x270
[  700.046860]  shrink_slab+0x389/0x8c0
[  700.050585]  ? shrink_active_list+0x1f00/0x1f00
[  700.055262]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  700.060897]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  700.066010]  ? cgroup_procs_write_finish+0xf0/0xf0
[  700.070951]  ? find_held_lock+0x36/0x1c0
[  700.075019]  shrink_node+0x431/0x16b0
[  700.078821]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  700.084154]  ? shrink_node_memcg+0x18f0/0x18f0
[  700.088755]  ? kvm_clock_read+0x18/0x30
[  700.092746]  ? ktime_get+0x2c1/0x400
[  700.096616]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  700.101119]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  700.106661]  ? __cpuset_node_allowed+0x19b/0x660
[  700.111426]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  700.117151]  ? delayacct_end+0x5a/0x100
[  700.121134]  do_try_to_free_pages+0x3e7/0x1290
[  700.125719]  ? zap_class+0x640/0x640
[  700.129454]  ? shrink_node+0x16b0/0x16b0
[  700.133535]  ? __lock_is_held+0xb5/0x140
[  700.137645]  try_to_free_pages+0x4d0/0xb90
[  700.141890]  ? do_try_to_free_pages+0x1290/0x1290
[  700.146743]  ? lock_acquire+0x1ed/0x520
[  700.150717]  ? set_page_refcounted+0x280/0x280
[  700.155315]  ? lock_release+0xa00/0xa00
[  700.159314]  ? _raw_spin_unlock_irq+0x60/0x80
[  700.163823]  ? psi_memstall_enter+0x240/0x2b0
[  700.168324]  ? psi_memstall_tick+0x230/0x230
[  700.172741]  __alloc_pages_slowpath+0xa48/0x2de0
[  700.177526]  ? warn_alloc+0x120/0x120
[  700.181332]  ? mark_held_locks+0x130/0x130
[  700.185575]  ? find_get_entry+0xaae/0x1120
[  700.189824]  ? filemap_map_pages+0x1a20/0x1a20
[  700.194415]  ? zap_class+0x640/0x640
[  700.198146]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  700.203703]  ? check_preemption_disabled+0x48/0x280
[  700.208720]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  700.214256]  ? should_fail+0x22d/0xd01
[  700.218157]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  700.223259]  ? zap_class+0x640/0x640
[  700.227020]  ? __lock_is_held+0xb5/0x140
[  700.231095]  ? mark_held_locks+0x130/0x130
[  700.235336]  ? lock_release+0xa00/0xa00
[  700.239323]  ? perf_trace_sched_process_exec+0x860/0x860
[  700.244774]  ? xa_load+0x2ba/0x460
[  700.248328]  ? lock_downgrade+0x900/0x900
[  700.252501]  ? __might_sleep+0x95/0x190
[  700.256478]  __alloc_pages_nodemask+0xad8/0xea0
[  700.261154]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  700.266176]  ? __page_cache_alloc+0x191/0x5c0
[  700.270678]  ? xa_load+0x2e1/0x460
[  700.274215]  ? xa_clear_mark+0x40/0x40
[  700.278104]  ? zap_class+0x640/0x640
[  700.281827]  ? zap_class+0x640/0x640
[  700.285549]  ? zap_class+0x640/0x640
[  700.289260]  ? __do_page_cache_readahead+0x663/0x810
[  700.294378]  ? find_held_lock+0x36/0x1c0
[  700.298444]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  700.304008]  alloc_pages_current+0x173/0x350
[  700.308440]  __page_cache_alloc+0x38c/0x5c0
[  700.312762]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  700.317697]  ? kasan_check_read+0x11/0x20
[  700.321846]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  700.327130]  ? generic_perform_write+0x6a0/0x6a0
[  700.331890]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  700.337445]  ? check_preemption_disabled+0x48/0x280
[  700.342472]  filemap_fault+0x1595/0x25f0
[  700.346573]  ? __lock_page_or_retry+0xa00/0xa00
[  700.351252]  ? mark_held_locks+0x130/0x130
[  700.355509]  ? filemap_map_pages+0xd6b/0x1a20
[  700.360005]  ? lock_downgrade+0x900/0x900
[  700.364164]  ? check_preemption_disabled+0x48/0x280
[  700.369183]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  700.374115]  ? kasan_check_read+0x11/0x20
[  700.378270]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  700.383562]  ? rcu_softirq_qs+0x20/0x20
[  700.387574]  ? filemap_map_pages+0xd92/0x1a20
[  700.392085]  ? find_get_entries_tag+0x1400/0x1400
[  700.396932]  ? debug_object_destroy+0x2b0/0x2b0
[  700.401622]  ? lock_pi_update_atomic+0x150/0x150
[  700.406381]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  700.411935]  ? lock_acquire+0x1ed/0x520
[  700.415910]  ? ext4_filemap_fault+0x7a/0xad
[  700.420265]  ? lock_release+0xa00/0xa00
[  700.424250]  ? perf_trace_sched_process_exec+0x860/0x860
[  700.429708]  ? print_usage_bug+0xc0/0xc0
[  700.433772]  ? print_usage_bug+0xc0/0xc0
[  700.437850]  ? down_read+0x8d/0x120
[  700.441479]  ? ext4_filemap_fault+0x7a/0xad
[  700.445805]  ? __down_interruptible+0x700/0x700
[  700.450483]  ext4_filemap_fault+0x82/0xad
[  700.454646]  __do_fault+0x100/0x6b0
[  700.458293]  ? release_sock+0x1ec/0x2c0
[  700.462296]  ? pmd_devmap_trans_unstable+0x220/0x220
[  700.467403]  ? mark_held_locks+0x130/0x130
[  700.471639]  ? mark_held_locks+0x130/0x130
[  700.475871]  ? lock_sock_nested+0x9a/0x120
[  700.480118]  ? __release_sock+0x3a0/0x3a0
[  700.484271]  ? __local_bh_enable_ip+0x160/0x260
[  700.488968]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  700.494512]  __handle_mm_fault+0x3ea0/0x5be0
[  700.498953]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  700.503808]  ? apparmor_socket_sendmsg+0x29/0x30
[  700.508568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  700.514106]  ? security_socket_sendmsg+0x94/0xc0
[  700.518868]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  700.524420]  ? zap_class+0x640/0x640
[  700.528142]  ? zap_class+0x640/0x640
[  700.531870]  ? __x64_sys_futex+0x53e/0x6a0
[  700.536113]  ? find_held_lock+0x36/0x1c0
[  700.540195]  ? handle_mm_fault+0x42a/0xc70
[  700.544443]  ? lock_downgrade+0x900/0x900
[  700.548591]  ? check_preemption_disabled+0x48/0x280
[  700.553627]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  700.558580]  ? kasan_check_read+0x11/0x20
[  700.562731]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  700.568007]  ? rcu_softirq_qs+0x20/0x20
[  700.571981]  ? trace_hardirqs_off_caller+0x310/0x310
[  700.577100]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  700.582652]  ? check_preemption_disabled+0x48/0x280
[  700.587682]  handle_mm_fault+0x54f/0xc70
[  700.591753]  ? __handle_mm_fault+0x5be0/0x5be0
[  700.596368]  ? find_vma+0x34/0x190
[  700.599915]  __do_page_fault+0x5e8/0xe60
[  700.603990]  ? trace_hardirqs_off+0xb8/0x310
[  700.608424]  ? __ia32_sys_read+0xb0/0xb0
[  700.612510]  do_page_fault+0xf2/0x7e0
[  700.616321]  ? vmalloc_sync_all+0x30/0x30
[  700.620483]  ? error_entry+0x70/0xd0
[  700.624200]  ? trace_hardirqs_off_caller+0xbb/0x310
[  700.629214]  ? trace_hardirqs_on_caller+0xc0/0x310
[  700.634143]  ? syscall_return_slowpath+0x5e0/0x5e0
[  700.639084]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  700.643928]  ? trace_hardirqs_on_caller+0x310/0x310
[  700.648942]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  700.654402]  ? prepare_exit_to_usermode+0x291/0x3b0
[  700.659419]  ? page_fault+0x8/0x30
[  700.662963]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  700.667810]  ? page_fault+0x8/0x30
[  700.671354]  page_fault+0x1e/0x30
[  700.674803] RIP: 0033:0x45ddf3
[  700.678006] Code: Bad RIP value.
[  700.681377] RSP: 002b:000000c420023ea0 EFLAGS: 00010202
[  700.686734] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
[  700.694004] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  700.701293] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  700.708566] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  700.715833] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
[  700.723143] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304
[  700.723149] warn_alloc_show_mem: 1 callbacks suppressed
[  700.723156] Mem-Info:
[  700.730431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  700.735803] active_anon:59588 inactive_anon:187 isolated_anon:0
[  700.735803]  active_file:13 inactive_file:14 isolated_file:0
[  700.735803]  unevictable:0 dirty:0 writeback:0 unstable:0
[  700.735803]  slab_reclaimable:10147 slab_unreclaimable:1445690
[  700.735803]  mapped:49154 shmem:244 pagetables:690 bounce:0
[  700.735803]  free:13773 free_pcp:174 free_cma:0
[  700.738176] Call Trace:
[  700.747567] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  700.780492]  <IRQ>
[  700.783075] 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
[  700.810573]  dump_stack+0x244/0x39d
[  700.812696] lowmem_reserve[]: 0 2818 6321 6321
[  700.838816]  ? dump_stack_print_info.cold.1+0x20/0x20
[  700.842419] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  700.847000]  warn_alloc.cold.116+0xb7/0x1bd
[  700.852157] lowmem_reserve[]: 0 0 3503 3503
[  700.879668]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  700.883972] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB
[  700.888298]  ? lock_downgrade+0x900/0x900
[  700.893127] lowmem_reserve[]: 0 0 0 0
[  700.922016]  ? trace_hardirqs_off+0xb8/0x310
[  700.926134] 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
[  700.929932]  ? trace_hardirqs_off+0xb8/0x310
[  700.934316] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
[  700.947841]  __alloc_pages_slowpath+0x2651/0x2de0
[  700.952223] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  700.968202]  ? warn_alloc+0x120/0x120
[  700.973005] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  700.986605]  ? warn_alloc+0x120/0x120
[  700.990385] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  700.999209]  ? warn_alloc+0x120/0x120
[  701.002985] 271 total pagecache pages
[  701.011553]  ? print_usage_bug+0xc0/0xc0
[  701.015338] 0 pages in swap cache
[  701.019123]  ? print_usage_bug+0xc0/0xc0
[  701.023166] Swap cache stats: add 0, delete 0, find 0/0
[  701.026622]  ? print_usage_bug+0xc0/0xc0
[  701.030660] Free swap  = 0kB
[  701.036013]  ? mark_held_locks+0x130/0x130
[  701.040053] Total swap = 0kB
[  701.040061] 1965979 pages RAM
[  701.043078]  ? check_preemption_disabled+0x48/0x280
[  701.047295] 0 pages HighMem/MovableOnly
[  701.050313]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  701.053396] 342854 pages reserved
[  701.058406]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  701.062352] 0 pages cma reserved
[  701.066839]  ? should_fail+0x22d/0xd01
[  701.070368] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  701.075816]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  701.075831]  ? __lock_acquire+0x62f/0x4c20
[  701.075849]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  701.079294] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  701.083084]  ? __lock_acquire+0x62f/0x4c20
[  701.089554] syz-fuzzer cpuset=/ mems_allowed=0
[  701.094646]  ? should_fail+0x22d/0xd01
[  701.127672]  ? mark_held_locks+0x130/0x130
[  701.131923]  ? mark_held_locks+0x130/0x130
[  701.136168]  ? zap_class+0x640/0x640
[  701.139884]  ? print_usage_bug+0xc0/0xc0
[  701.143951]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  701.149494]  ? check_preemption_disabled+0x48/0x280
[  701.154525]  ? __lock_is_held+0xb5/0x140
[  701.158595]  __alloc_pages_nodemask+0xad8/0xea0
[  701.163264]  ? zap_class+0x640/0x640
[  701.167023]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  701.172079]  ? find_held_lock+0x36/0x1c0
[  701.176153]  ? ____cache_alloc_node+0x1c7/0x1e0
[  701.180823]  ? lock_downgrade+0x900/0x900
[  701.184977]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  701.190518]  cache_grow_begin+0xa5/0x8c0
[  701.194579]  ? do_raw_spin_unlock+0xa7/0x330
[  701.198992]  fallback_alloc+0x204/0x2e0
[  701.202982]  ____cache_alloc_node+0x1c7/0x1e0
[  701.207482]  kmem_cache_alloc_node+0xe3/0x730
[  701.211982]  ? ipv6_get_ifaddr+0x42e/0x620
[  701.216230]  __alloc_skb+0x119/0x770
[  701.219943]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  701.225224]  ? netdev_alloc_frag+0x1f0/0x1f0
[  701.229633]  ? lock_downgrade+0x900/0x900
[  701.233788]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  701.239354]  ? refcount_sub_and_test_checked+0x203/0x310
[  701.244809]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  701.250256]  ? addrconf_rs_timer+0x690/0x690
[  701.254685]  ndisc_alloc_skb+0x144/0x340
[  701.258776]  ndisc_send_rs+0x331/0x6e0
[  701.262663]  addrconf_rs_timer+0x314/0x690
[  701.266919]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  701.271162]  call_timer_fn+0x272/0x920
[  701.275053]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  701.279297]  ? process_timeout+0x40/0x40
[  701.283370]  ? __run_timers+0x7da/0xc70
[  701.287347]  ? _raw_spin_unlock_irq+0x27/0x80
[  701.291844]  ? _raw_spin_unlock_irq+0x27/0x80
[  701.296334]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  701.300588]  ? lockdep_hardirqs_on+0x296/0x5b0
[  701.305170]  ? trace_hardirqs_on+0xbd/0x310
[  701.309486]  ? kasan_check_read+0x11/0x20
[  701.313631]  ? __run_timers+0x7da/0xc70
[  701.317607]  ? trace_hardirqs_off_caller+0x310/0x310
[  701.322736]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  701.326967]  __run_timers+0x7e5/0xc70
[  701.330775]  ? timer_fixup_init+0x70/0x70
[  701.334925]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  701.339943]  ? zap_class+0x640/0x640
[  701.343664]  ? enqueue_hrtimer+0x1a5/0x560
[  701.347902]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  701.353101]  ? find_held_lock+0x36/0x1c0
[  701.357163]  ? zap_class+0x640/0x640
[  701.360898]  ? pvclock_read_flags+0x160/0x160
[  701.365397]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  701.370935]  ? check_preemption_disabled+0x48/0x280
[  701.375976]  ? __lock_is_held+0xb5/0x140
[  701.380051]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  701.385590]  ? check_preemption_disabled+0x48/0x280
[  701.390646]  run_timer_softirq+0x52/0xb0
[  701.394714]  ? rcu_read_lock_sched_held+0x14f/0x180
[  701.399737]  __do_softirq+0x308/0xb7e
[  701.403542]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  701.408037]  ? lock_downgrade+0x900/0x900
[  701.412201]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  701.417332]  ? pvclock_read_flags+0x160/0x160
[  701.421876]  ? lapic_next_event+0x5a/0x90
[  701.426050]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  701.431608]  ? kvm_clock_read+0x18/0x30
[  701.435582]  ? kvm_sched_clock_read+0x9/0x20
[  701.439991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  701.445561]  ? check_preemption_disabled+0x48/0x280
[  701.450591]  irq_exit+0x17f/0x1c0
[  701.454043]  smp_apic_timer_interrupt+0x1cb/0x760
[  701.458902]  ? smp_reschedule_interrupt+0x109/0x650
[  701.463919]  ? smp_call_function_single_interrupt+0x650/0x650
[  701.469817]  ? interrupt_entry+0xb5/0xc0
[  701.473879]  ? trace_hardirqs_off_caller+0xbb/0x310
[  701.478892]  ? trace_hardirqs_off_caller+0xbb/0x310
[  701.483908]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  701.488754]  ? trace_hardirqs_on_caller+0x310/0x310
[  701.493769]  ? trace_hardirqs_on_caller+0x310/0x310
[  701.498800]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  701.503654]  apic_timer_interrupt+0xf/0x20
[  701.507882]  </IRQ>
[  701.510125] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  701.516010] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
[  701.535064] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  701.542774] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  701.550037] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286
[  701.557313] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000
[  701.564610] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40
[  701.571893] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286
[  701.579193]  ? save_stack+0xa9/0xd0
[  701.582835]  __kmalloc_node_track_caller+0x3c/0x70
[  701.587770]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  701.592532]  pskb_expand_head+0x230/0x10f0
[  701.596769]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  701.602222]  ? memcpy+0x45/0x50
[  701.605505]  ? __copy_skb_header+0x350/0x6b0
[  701.609929]  ? skb_release_data+0x880/0x880
[  701.614280]  ? __alloc_skb+0x770/0x770
[  701.618191]  ? __lock_is_held+0xb5/0x140
[  701.622260]  ? kasan_check_write+0x14/0x20
[  701.626507]  ? __skb_clone+0x6c7/0xa00
[  701.630397]  ? __copy_skb_header+0x6b0/0x6b0
[  701.634806]  ? kmem_cache_alloc+0x33a/0x730
[  701.639130]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  701.644675]  skb_ensure_writable+0x3dd/0x640
[  701.649131]  ? skb_checksum_setup+0xaa0/0xaa0
[  701.653631]  ? preempt_notifier_register+0x200/0x200
[  701.658737]  ? __switch_to_asm+0x34/0x70
[  701.662799]  ? __switch_to_asm+0x34/0x70
[  701.666860]  ? __switch_to_asm+0x40/0x70
[  701.670917]  ? __switch_to_asm+0x34/0x70
[  701.674979]  ? __switch_to_asm+0x40/0x70
[  701.679037]  ? __switch_to_asm+0x40/0x70
[  701.683102]  ? __switch_to_asm+0x34/0x70
[  701.687182]  ? __switch_to_asm+0x34/0x70
[  701.691240]  ? __switch_to_asm+0x40/0x70
[  701.695307]  ? __switch_to_asm+0x34/0x70
[  701.699378]  bpf_clone_redirect+0x14a/0x490
[  701.703707]  bpf_prog_12ab75334035c288+0xfcd/0x1000
[  701.708727]  ? __sched_text_start+0x8/0x8
[  701.712876]  ? retint_kernel+0x2d/0x2d
[  701.716791]  ? find_held_lock+0x36/0x1c0
[  701.720861]  ? lock_acquire+0x1ed/0x520
[  701.724835]  ? bpf_test_run+0x3cb/0x780
[  701.728811]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  701.734366]  ? check_preemption_disabled+0x48/0x280
[  701.739390]  ? kasan_check_read+0x11/0x20
[  701.743541]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  701.748822]  ? rcu_softirq_qs+0x20/0x20
[  701.752797]  ? preempt_schedule+0x4d/0x60
[  701.756945]  ? ___preempt_schedule+0x16/0x18
[  701.761361]  ? bpf_test_run+0x25d/0x780
[  701.765360]  ? netlink_diag_dump+0x2a0/0x2a0
[  701.769788]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  701.775364]  ? bpf_test_init.isra.10+0x70/0x100
[  701.780073]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  701.784882]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  701.789726]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  701.795262]  ? fput+0x130/0x1a0
[  701.798569]  ? __bpf_prog_get+0x9b/0x290
[  701.802649]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  701.807490]  ? bpf_prog_test_run+0x130/0x1a0
[  701.811901]  ? __x64_sys_bpf+0x3d8/0x520
[  701.815979]  ? bpf_prog_get+0x20/0x20
[  701.819813]  ? do_syscall_64+0x1b9/0x820
[  701.823871]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  701.829233]  ? syscall_return_slowpath+0x5e0/0x5e0
[  701.834166]  ? trace_hardirqs_on_caller+0x310/0x310
[  701.839184]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  701.844203]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  701.850867]  ? __switch_to_asm+0x40/0x70
[  701.854926]  ? __switch_to_asm+0x34/0x70
[  701.858992]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  701.863842]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  701.869227] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
[  701.869303] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  701.876256] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  701.876276] Call Trace:
[  701.876292]  <IRQ>
[  701.876312]  dump_stack+0x244/0x39d
[  701.876330]  ? dump_stack_print_info.cold.1+0x20/0x20
[  701.882859] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  701.892166]  warn_alloc.cold.116+0xb7/0x1bd
[  701.894720] syz-executor3 cpuset=syz3 mems_allowed=0
[  701.896862]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  701.930382]  ? lock_downgrade+0x900/0x900
[  701.934538]  ? trace_hardirqs_off+0xb8/0x310
[  701.938953]  ? trace_hardirqs_off+0xb8/0x310
[  701.943399]  __alloc_pages_slowpath+0x2651/0x2de0
[  701.948291]  ? warn_alloc+0x120/0x120
[  701.952093]  ? print_usage_bug+0xc0/0xc0
[  701.956158]  ? warn_alloc+0x120/0x120
[  701.959977]  ? warn_alloc+0x120/0x120
[  701.964013]  ? print_usage_bug+0xc0/0xc0
[  701.968078]  ? print_usage_bug+0xc0/0xc0
[  701.972142]  ? __lock_acquire+0x62f/0x4c20
[  701.976382]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  701.981922]  ? should_fail+0x22d/0xd01
[  701.985825]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  701.990926]  ? __lock_acquire+0x62f/0x4c20
[  701.995165]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  702.000268]  ? __lock_acquire+0x62f/0x4c20
[  702.004508]  ? should_fail+0x22d/0xd01
[  702.008405]  ? mark_held_locks+0x130/0x130
[  702.012642]  ? mark_held_locks+0x130/0x130
[  702.016892]  ? try_to_wake_up+0x11c/0x1490
[  702.021143]  ? lock_downgrade+0x900/0x900
[  702.025299]  ? zap_class+0x640/0x640
[  702.029017]  ? print_usage_bug+0xc0/0xc0
[  702.033075]  ? trace_hardirqs_off+0xb8/0x310
[  702.037483]  ? kasan_check_read+0x11/0x20
[  702.041634]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  702.047170]  ? check_preemption_disabled+0x48/0x280
[  702.052196]  ? __lock_is_held+0xb5/0x140
[  702.056273]  __alloc_pages_nodemask+0xad8/0xea0
[  702.060953]  ? zap_class+0x640/0x640
[  702.064677]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  702.069718]  ? find_held_lock+0x36/0x1c0
[  702.073788]  ? ____cache_alloc_node+0x1c7/0x1e0
[  702.078458]  ? lock_downgrade+0x900/0x900
[  702.082611]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  702.088172]  cache_grow_begin+0xa5/0x8c0
[  702.092247]  ? do_raw_spin_unlock+0xa7/0x330
[  702.096778]  fallback_alloc+0x204/0x2e0
[  702.100778]  ____cache_alloc_node+0x1c7/0x1e0
[  702.105291]  kmem_cache_alloc_node+0xe3/0x730
[  702.109792]  ? ipv6_get_ifaddr+0x42e/0x620
[  702.114053]  __alloc_skb+0x119/0x770
[  702.117775]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  702.123060]  ? netdev_alloc_frag+0x1f0/0x1f0
[  702.127476]  ? lock_downgrade+0x900/0x900
[  702.131655]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  702.137236]  ? refcount_sub_and_test_checked+0x203/0x310
[  702.142698]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  702.148150]  ? addrconf_rs_timer+0x690/0x690
[  702.152577]  ndisc_alloc_skb+0x144/0x340
[  702.156658]  ndisc_send_rs+0x331/0x6e0
[  702.160569]  addrconf_rs_timer+0x314/0x690
[  702.164827]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  702.169073]  call_timer_fn+0x272/0x920
[  702.172968]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  702.177218]  ? process_timeout+0x40/0x40
[  702.181308]  ? mark_held_locks+0xc7/0x130
[  702.185463]  ? _raw_spin_unlock_irq+0x27/0x80
[  702.189959]  ? _raw_spin_unlock_irq+0x27/0x80
[  702.194469]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  702.198704]  ? lockdep_hardirqs_on+0x296/0x5b0
[  702.203300]  ? trace_hardirqs_on+0xbd/0x310
[  702.207676]  ? kasan_check_read+0x11/0x20
[  702.211832]  ? __run_timers+0x7da/0xc70
[  702.215807]  ? trace_hardirqs_off_caller+0x310/0x310
[  702.220946]  ? __queue_work+0x1440/0x1440
[  702.225112]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  702.229347]  __run_timers+0x7e5/0xc70
[  702.233160]  ? timer_fixup_init+0x70/0x70
[  702.237321]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  702.242357]  ? zap_class+0x640/0x640
[  702.246080]  ? print_usage_bug+0xc0/0xc0
[  702.250145]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  702.255349]  ? find_held_lock+0x36/0x1c0
[  702.259414]  ? zap_class+0x640/0x640
[  702.263131]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  702.268717]  ? check_preemption_disabled+0x48/0x280
[  702.273743]  ? __lock_is_held+0xb5/0x140
[  702.277804]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  702.283341]  ? check_preemption_disabled+0x48/0x280
[  702.288362]  run_timer_softirq+0x52/0xb0
[  702.292426]  ? rcu_read_lock_sched_held+0x14f/0x180
[  702.297463]  __do_softirq+0x308/0xb7e
[  702.301281]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  702.305814]  ? lock_downgrade+0x900/0x900
[  702.309964]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  702.315075]  ? pvclock_read_flags+0x160/0x160
[  702.319577]  ? lapic_next_event+0x5a/0x90
[  702.323727]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  702.329293]  ? kvm_clock_read+0x18/0x30
[  702.333268]  ? kvm_sched_clock_read+0x9/0x20
[  702.337687]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  702.343227]  ? check_preemption_disabled+0x48/0x280
[  702.348255]  irq_exit+0x17f/0x1c0
[  702.351719]  smp_apic_timer_interrupt+0x1cb/0x760
[  702.356568]  ? smp_call_function_single_interrupt+0x159/0x650
[  702.362473]  ? smp_call_function_single_interrupt+0x650/0x650
[  702.368374]  ? interrupt_entry+0xb5/0xc0
[  702.372442]  ? trace_hardirqs_off_caller+0xbb/0x310
[  702.377461]  ? trace_hardirqs_off_caller+0xbb/0x310
[  702.382477]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  702.387342]  ? trace_hardirqs_on_caller+0x310/0x310
[  702.392366]  ? trace_hardirqs_on_caller+0x310/0x310
[  702.397394]  ? task_prio+0x50/0x50
[  702.400975]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  702.406534]  ? check_preemption_disabled+0x48/0x280
[  702.411566]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  702.416422]  apic_timer_interrupt+0xf/0x20
[  702.420649]  </IRQ>
[  702.422885] RIP: 0010:rcu_is_watching+0x0/0x30
[  702.427467] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
[  702.446366] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  702.454068] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
[  702.461335] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
[  702.468601] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
[  702.475896] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
[  702.483164] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  702.490485]  ? list_lru_count_one+0x253/0x450
[  702.494983]  ? list_lru_count_one+0x35d/0x450
[  702.499484]  ? list_lru_count_one+0x362/0x450
[  702.503984]  ? list_lru_isolate_move+0x3c0/0x3c0
[  702.508744]  ? shmem_free_inode+0xd0/0xd0
[  702.512932]  ? __lock_is_held+0xb5/0x140
[  702.517014]  super_cache_count+0x1b9/0x2e0
[  702.521259]  do_shrink_slab+0x1b1/0xd30
[  702.525306]  ? snapshot_refaults+0x290/0x290
[  702.529744]  ? lock_release+0xa00/0xa00
[  702.533731]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  702.538675]  ? down_read_trylock+0xda/0x140
[  702.542993]  ? shrink_slab+0x207/0x8c0
[  702.546879]  ? downgrade_write+0x270/0x270
[  702.551154]  shrink_slab+0x389/0x8c0
[  702.554863]  ? shrink_active_list+0x1f00/0x1f00
[  702.559538]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  702.565170]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  702.570283]  ? cgroup_procs_write_finish+0xf0/0xf0
[  702.575245]  ? find_held_lock+0x36/0x1c0
[  702.579346]  shrink_node+0x431/0x16b0
[  702.583152]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  702.588471]  ? shrink_node_memcg+0x18f0/0x18f0
[  702.593060]  ? kvm_clock_read+0x18/0x30
[  702.597041]  ? ktime_get+0x2c1/0x400
[  702.600760]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  702.605257]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  702.610814]  ? __cpuset_node_allowed+0x19b/0x660
[  702.615581]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  702.621303]  ? delayacct_end+0x5a/0x100
[  702.625295]  do_try_to_free_pages+0x3e7/0x1290
[  702.629875]  ? zap_class+0x640/0x640
[  702.633617]  ? shrink_node+0x16b0/0x16b0
[  702.637680]  ? __lock_is_held+0xb5/0x140
[  702.641757]  try_to_free_pages+0x4d0/0xb90
[  702.645997]  ? do_try_to_free_pages+0x1290/0x1290
[  702.650852]  ? lock_acquire+0x1ed/0x520
[  702.654824]  ? set_page_refcounted+0x280/0x280
[  702.659420]  ? lock_release+0xa00/0xa00
[  702.663420]  ? _raw_spin_unlock_irq+0x60/0x80
[  702.667914]  ? psi_memstall_enter+0x240/0x2b0
[  702.672410]  ? psi_memstall_tick+0x230/0x230
[  702.676832]  __alloc_pages_slowpath+0xa48/0x2de0
[  702.681617]  ? warn_alloc+0x120/0x120
[  702.685416]  ? mark_held_locks+0x130/0x130
[  702.689661]  ? find_get_entry+0xaae/0x1120
[  702.693921]  ? filemap_map_pages+0x1a20/0x1a20
[  702.698509]  ? zap_class+0x640/0x640
[  702.702234]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  702.707780]  ? check_preemption_disabled+0x48/0x280
[  702.712797]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  702.718350]  ? should_fail+0x22d/0xd01
[  702.722253]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  702.727369]  ? zap_class+0x640/0x640
[  702.731139]  ? __lock_is_held+0xb5/0x140
[  702.735209]  ? mark_held_locks+0x130/0x130
[  702.739445]  ? lock_release+0xa00/0xa00
[  702.743417]  ? perf_trace_sched_process_exec+0x860/0x860
[  702.748878]  ? xa_load+0x2ba/0x460
[  702.752424]  ? lock_downgrade+0x900/0x900
[  702.756582]  ? __might_sleep+0x95/0x190
[  702.760572]  __alloc_pages_nodemask+0xad8/0xea0
[  702.765268]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  702.770302]  ? __page_cache_alloc+0x191/0x5c0
[  702.774794]  ? xa_load+0x2e1/0x460
[  702.778332]  ? xa_clear_mark+0x40/0x40
[  702.782225]  ? zap_class+0x640/0x640
[  702.785951]  ? zap_class+0x640/0x640
[  702.789669]  ? zap_class+0x640/0x640
[  702.793384]  ? __do_page_cache_readahead+0x663/0x810
[  702.798495]  ? find_held_lock+0x36/0x1c0
[  702.802569]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  702.808117]  alloc_pages_current+0x173/0x350
[  702.812556]  __page_cache_alloc+0x38c/0x5c0
[  702.816878]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  702.821813]  ? kasan_check_read+0x11/0x20
[  702.825963]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  702.831256]  ? generic_perform_write+0x6a0/0x6a0
[  702.836026]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  702.841569]  ? check_preemption_disabled+0x48/0x280
[  702.846609]  filemap_fault+0x1595/0x25f0
[  702.850698]  ? __lock_page_or_retry+0xa00/0xa00
[  702.855372]  ? mark_held_locks+0x130/0x130
[  702.859626]  ? filemap_map_pages+0xd6b/0x1a20
[  702.864130]  ? lock_downgrade+0x900/0x900
[  702.868295]  ? check_preemption_disabled+0x48/0x280
[  702.873324]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  702.878253]  ? kasan_check_read+0x11/0x20
[  702.882410]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  702.887704]  ? rcu_softirq_qs+0x20/0x20
[  702.891694]  ? filemap_map_pages+0xd92/0x1a20
[  702.896206]  ? find_get_entries_tag+0x1400/0x1400
[  702.901054]  ? debug_object_destroy+0x2b0/0x2b0
[  702.905731]  ? lock_pi_update_atomic+0x150/0x150
[  702.910492]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  702.916060]  ? lock_acquire+0x1ed/0x520
[  702.920035]  ? ext4_filemap_fault+0x7a/0xad
[  702.924361]  ? lock_release+0xa00/0xa00
[  702.928333]  ? perf_trace_sched_process_exec+0x860/0x860
[  702.933784]  ? print_usage_bug+0xc0/0xc0
[  702.937849]  ? print_usage_bug+0xc0/0xc0
[  702.941926]  ? down_read+0x8d/0x120
[  702.945557]  ? ext4_filemap_fault+0x7a/0xad
[  702.949879]  ? __down_interruptible+0x700/0x700
[  702.954567]  ext4_filemap_fault+0x82/0xad
[  702.958729]  __do_fault+0x100/0x6b0
[  702.962606]  ? release_sock+0x1ec/0x2c0
[  702.966595]  ? pmd_devmap_trans_unstable+0x220/0x220
[  702.971727]  ? mark_held_locks+0x130/0x130
[  702.976001]  ? mark_held_locks+0x130/0x130
[  702.980233]  ? lock_sock_nested+0x9a/0x120
[  702.984500]  ? __release_sock+0x3a0/0x3a0
[  702.988664]  ? __local_bh_enable_ip+0x160/0x260
[  702.993369]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  702.999171]  __handle_mm_fault+0x3ea0/0x5be0
[  703.003636]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  703.008482]  ? apparmor_socket_sendmsg+0x29/0x30
[  703.013234]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  703.018770]  ? security_socket_sendmsg+0x94/0xc0
[  703.023529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  703.029084]  ? zap_class+0x640/0x640
[  703.032795]  ? zap_class+0x640/0x640
[  703.036513]  ? __x64_sys_futex+0x53e/0x6a0
[  703.040759]  ? find_held_lock+0x36/0x1c0
[  703.044829]  ? handle_mm_fault+0x42a/0xc70
[  703.049068]  ? lock_downgrade+0x900/0x900
[  703.053216]  ? check_preemption_disabled+0x48/0x280
[  703.058246]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  703.063176]  ? kasan_check_read+0x11/0x20
[  703.067354]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  703.072631]  ? rcu_softirq_qs+0x20/0x20
[  703.076606]  ? trace_hardirqs_off_caller+0x310/0x310
[  703.081709]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  703.087246]  ? check_preemption_disabled+0x48/0x280
[  703.092273]  handle_mm_fault+0x54f/0xc70
[  703.096362]  ? __handle_mm_fault+0x5be0/0x5be0
[  703.100947]  ? find_vma+0x34/0x190
[  703.104491]  __do_page_fault+0x5e8/0xe60
[  703.108557]  ? trace_hardirqs_off+0xb8/0x310
[  703.113001]  ? __ia32_sys_read+0xb0/0xb0
[  703.117092]  do_page_fault+0xf2/0x7e0
[  703.120897]  ? vmalloc_sync_all+0x30/0x30
[  703.125043]  ? error_entry+0x70/0xd0
[  703.128764]  ? trace_hardirqs_off_caller+0xbb/0x310
[  703.133787]  ? trace_hardirqs_on_caller+0xc0/0x310
[  703.138717]  ? syscall_return_slowpath+0x5e0/0x5e0
[  703.143660]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  703.148514]  ? trace_hardirqs_on_caller+0x310/0x310
[  703.153534]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  703.159006]  ? prepare_exit_to_usermode+0x291/0x3b0
[  703.164040]  ? page_fault+0x8/0x30
[  703.167583]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  703.172430]  ? page_fault+0x8/0x30
[  703.175970]  page_fault+0x1e/0x30
[  703.179421] RIP: 0033:0x45ddf3
[  703.182622] Code: Bad RIP value.
[  703.185981] RSP: 002b:000000c420023ea0 EFLAGS: 00010202
[  703.191374] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
[  703.198654] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  703.205924] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  703.213192] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  703.220459] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
[  703.227754] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304
[  703.227760] warn_alloc_show_mem: 1 callbacks suppressed
[  703.227767] Mem-Info:
[  703.235042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  703.240413] active_anon:59588 inactive_anon:187 isolated_anon:0
[  703.240413]  active_file:13 inactive_file:14 isolated_file:0
[  703.240413]  unevictable:0 dirty:0 writeback:0 unstable:0
[  703.240413]  slab_reclaimable:10147 slab_unreclaimable:1445690
[  703.240413]  mapped:49154 shmem:244 pagetables:690 bounce:0
[  703.240413]  free:13773 free_pcp:174 free_cma:0
[  703.242788] Call Trace:
[  703.252194] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  703.285141]  <IRQ>
[  703.287761] 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
[  703.315312]  dump_stack+0x244/0x39d
[  703.317444] lowmem_reserve[]: 0 2818 6321 6321
[  703.343551]  ? dump_stack_print_info.cold.1+0x20/0x20
[  703.347176] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  703.351765]  warn_alloc.cold.116+0xb7/0x1bd
[  703.356927] lowmem_reserve[]: 0 0 3503 3503
[  703.384428]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  703.388724] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB
[  703.393050]  ? lock_downgrade+0x900/0x900
[  703.397893] lowmem_reserve[]: 0 0 0 0
[  703.426803]  ? trace_hardirqs_off+0xb8/0x310
[  703.430942] 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
[  703.434771]  ? trace_hardirqs_off+0xb8/0x310
[  703.439153] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
[  703.452677]  __alloc_pages_slowpath+0x2651/0x2de0
[  703.457052] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  703.473032]  ? warn_alloc+0x120/0x120
[  703.477836] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  703.491438]  ? print_usage_bug+0xc0/0xc0
[  703.495224] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  703.504039]  ? warn_alloc+0x120/0x120
[  703.508076] 271 total pagecache pages
[  703.516641]  ? warn_alloc+0x120/0x120
[  703.520425] 0 pages in swap cache
[  703.524210]  ? print_usage_bug+0xc0/0xc0
[  703.528001] Swap cache stats: add 0, delete 0, find 0/0
[  703.531447]  ? print_usage_bug+0xc0/0xc0
[  703.535490] Free swap  = 0kB
[  703.540850]  ? __lock_acquire+0x62f/0x4c20
[  703.544890] Total swap = 0kB
[  703.547905]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  703.552111] 1965979 pages RAM
[  703.555127]  ? should_fail+0x22d/0xd01
[  703.560660] 0 pages HighMem/MovableOnly
[  703.563782]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  703.567678] 342854 pages reserved
[  703.571645]  ? __lock_acquire+0x62f/0x4c20
[  703.576725] 0 pages cma reserved
[  703.580171]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  703.584458] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  703.587730]  ? __lock_acquire+0x62f/0x4c20
[  703.587762]  ? should_fail+0x22d/0xd01
[  703.593072] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  703.599380]  ? find_held_lock+0x36/0x1c0
[  703.599403]  ? mark_held_locks+0x130/0x130
[  703.603818] syz-fuzzer cpuset=/ mems_allowed=0
[  703.607703]  ? mark_held_locks+0x130/0x130
[  703.607720]  ? zap_class+0x640/0x640
[  703.638805]  ? zap_class+0x640/0x640
[  703.642525]  ? print_usage_bug+0xc0/0xc0
[  703.646601]  ? do_raw_spin_unlock+0xa7/0x330
[  703.651095]  ? zap_class+0x640/0x640
[  703.654807]  ? print_usage_bug+0xc0/0xc0
[  703.658870]  ? wq_watchdog_touch+0x9c/0xfe
[  703.663106]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  703.668649]  ? check_preemption_disabled+0x48/0x280
[  703.673679]  ? __lock_is_held+0xb5/0x140
[  703.677748]  __alloc_pages_nodemask+0xad8/0xea0
[  703.682423]  ? zap_class+0x640/0x640
[  703.686151]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  703.691181]  ? find_held_lock+0x36/0x1c0
[  703.695254]  ? ____cache_alloc_node+0x1c7/0x1e0
[  703.699930]  ? lock_downgrade+0x900/0x900
[  703.704094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  703.709638]  cache_grow_begin+0xa5/0x8c0
[  703.713699]  ? do_raw_spin_unlock+0xa7/0x330
[  703.718116]  fallback_alloc+0x204/0x2e0
[  703.722101]  ____cache_alloc_node+0x1c7/0x1e0
[  703.726602]  kmem_cache_alloc_node+0xe3/0x730
[  703.731100]  ? ipv6_get_ifaddr+0x42e/0x620
[  703.735346]  __alloc_skb+0x119/0x770
[  703.739076]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  703.744358]  ? netdev_alloc_frag+0x1f0/0x1f0
[  703.748770]  ? lock_downgrade+0x900/0x900
[  703.752925]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  703.758463]  ? refcount_sub_and_test_checked+0x203/0x310
[  703.763917]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  703.769369]  ? addrconf_rs_timer+0x690/0x690
[  703.773820]  ndisc_alloc_skb+0x144/0x340
[  703.777889]  ndisc_send_rs+0x331/0x6e0
[  703.781791]  addrconf_rs_timer+0x314/0x690
[  703.786033]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  703.790293]  call_timer_fn+0x272/0x920
[  703.794184]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  703.798419]  ? process_timeout+0x40/0x40
[  703.802489]  ? __run_timers+0x7da/0xc70
[  703.806464]  ? _raw_spin_unlock_irq+0x27/0x80
[  703.810959]  ? _raw_spin_unlock_irq+0x27/0x80
[  703.815456]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  703.819692]  ? lockdep_hardirqs_on+0x296/0x5b0
[  703.824282]  ? trace_hardirqs_on+0xbd/0x310
[  703.828613]  ? kasan_check_read+0x11/0x20
[  703.832760]  ? __run_timers+0x7da/0xc70
[  703.836741]  ? trace_hardirqs_off_caller+0x310/0x310
[  703.841852]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  703.846105]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  703.850340]  __run_timers+0x7e5/0xc70
[  703.854151]  ? timer_fixup_init+0x70/0x70
[  703.858309]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  703.863327]  ? zap_class+0x640/0x640
[  703.867044]  ? enqueue_hrtimer+0x1a5/0x560
[  703.871295]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  703.876492]  ? find_held_lock+0x36/0x1c0
[  703.880556]  ? zap_class+0x640/0x640
[  703.884276]  ? pvclock_read_flags+0x160/0x160
[  703.888785]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  703.894325]  ? check_preemption_disabled+0x48/0x280
[  703.899350]  ? __lock_is_held+0xb5/0x140
[  703.903444]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  703.908982]  ? check_preemption_disabled+0x48/0x280
[  703.914058]  run_timer_softirq+0x52/0xb0
[  703.918122]  ? rcu_read_lock_sched_held+0x14f/0x180
[  703.923138]  __do_softirq+0x308/0xb7e
[  703.926944]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  703.931440]  ? lock_downgrade+0x900/0x900
[  703.935604]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  703.940715]  ? pvclock_read_flags+0x160/0x160
[  703.945211]  ? lapic_next_event+0x5a/0x90
[  703.949366]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  703.954907]  ? kvm_clock_read+0x18/0x30
[  703.958883]  ? kvm_sched_clock_read+0x9/0x20
[  703.963474]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  703.969015]  ? check_preemption_disabled+0x48/0x280
[  703.974064]  irq_exit+0x17f/0x1c0
[  703.977526]  smp_apic_timer_interrupt+0x1cb/0x760
[  703.982371]  ? smp_reschedule_interrupt+0x109/0x650
[  703.987389]  ? smp_call_function_single_interrupt+0x650/0x650
[  703.993275]  ? interrupt_entry+0xb5/0xc0
[  703.997351]  ? trace_hardirqs_off_caller+0xbb/0x310
[  704.002371]  ? trace_hardirqs_off_caller+0xbb/0x310
[  704.007388]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  704.012244]  ? trace_hardirqs_on_caller+0x310/0x310
[  704.017257]  ? trace_hardirqs_on_caller+0x310/0x310
[  704.022304]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  704.027154]  apic_timer_interrupt+0xf/0x20
[  704.031382]  </IRQ>
[  704.033624] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  704.039509] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
[  704.058408] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  704.066114] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  704.073377] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286
[  704.080647] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000
[  704.087929] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40
[  704.095668] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286
[  704.102971]  ? save_stack+0xa9/0xd0
[  704.106622]  __kmalloc_node_track_caller+0x3c/0x70
[  704.111557]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  704.116328]  pskb_expand_head+0x230/0x10f0
[  704.120574]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  704.126027]  ? memcpy+0x45/0x50
[  704.129318]  ? __copy_skb_header+0x350/0x6b0
[  704.133729]  ? skb_release_data+0x880/0x880
[  704.138066]  ? __alloc_skb+0x770/0x770
[  704.141968]  ? __lock_is_held+0xb5/0x140
[  704.146034]  ? kasan_check_write+0x14/0x20
[  704.150273]  ? __skb_clone+0x6c7/0xa00
[  704.154168]  ? __copy_skb_header+0x6b0/0x6b0
[  704.158574]  ? kmem_cache_alloc+0x33a/0x730
[  704.162899]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  704.168457]  skb_ensure_writable+0x3dd/0x640
[  704.172867]  ? skb_checksum_setup+0xaa0/0xaa0
[  704.177369]  ? preempt_notifier_register+0x200/0x200
[  704.182486]  ? __switch_to_asm+0x34/0x70
[  704.186547]  ? __switch_to_asm+0x34/0x70
[  704.190610]  ? __switch_to_asm+0x40/0x70
[  704.194668]  ? __switch_to_asm+0x34/0x70
[  704.198727]  ? __switch_to_asm+0x40/0x70
[  704.202785]  ? __switch_to_asm+0x40/0x70
[  704.206848]  ? __switch_to_asm+0x34/0x70
[  704.210907]  ? __switch_to_asm+0x34/0x70
[  704.214967]  ? __switch_to_asm+0x40/0x70
[  704.219023]  ? __switch_to_asm+0x34/0x70
[  704.223094]  bpf_clone_redirect+0x14a/0x490
[  704.227425]  bpf_prog_12ab75334035c288+0xfcd/0x1000
[  704.232449]  ? __sched_text_start+0x8/0x8
[  704.236597]  ? retint_kernel+0x2d/0x2d
[  704.240495]  ? find_held_lock+0x36/0x1c0
[  704.244563]  ? lock_acquire+0x1ed/0x520
[  704.248541]  ? bpf_test_run+0x3cb/0x780
[  704.252519]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  704.258066]  ? check_preemption_disabled+0x48/0x280
[  704.263092]  ? kasan_check_read+0x11/0x20
[  704.267242]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  704.272525]  ? rcu_softirq_qs+0x20/0x20
[  704.276502]  ? preempt_schedule+0x4d/0x60
[  704.280651]  ? ___preempt_schedule+0x16/0x18
[  704.285083]  ? bpf_test_run+0x25d/0x780
[  704.289076]  ? netlink_diag_dump+0x2a0/0x2a0
[  704.293497]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  704.299038]  ? bpf_test_init.isra.10+0x70/0x100
[  704.303730]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  704.308501]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  704.313345]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  704.318887]  ? fput+0x130/0x1a0
[  704.322170]  ? __bpf_prog_get+0x9b/0x290
[  704.326232]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  704.331080]  ? bpf_prog_test_run+0x130/0x1a0
[  704.335492]  ? __x64_sys_bpf+0x3d8/0x520
[  704.339557]  ? bpf_prog_get+0x20/0x20
[  704.343396]  ? do_syscall_64+0x1b9/0x820
[  704.347456]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  704.352822]  ? syscall_return_slowpath+0x5e0/0x5e0
[  704.357755]  ? trace_hardirqs_on_caller+0x310/0x310
[  704.362772]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  704.367791]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  704.374457]  ? __switch_to_asm+0x40/0x70
[  704.378515]  ? __switch_to_asm+0x34/0x70
[  704.382579]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  704.387435]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  704.392818] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
[  704.392889] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  704.399832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  704.399837] Call Trace:
[  704.399844]  <IRQ>
[  704.399862]  dump_stack+0x244/0x39d
[  704.399881]  ? dump_stack_print_info.cold.1+0x20/0x20
[  704.406442] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  704.415717]  warn_alloc.cold.116+0xb7/0x1bd
[  704.418280] syz-executor3 cpuset=syz3 mems_allowed=0
[  704.420449]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  704.453960]  ? lock_downgrade+0x900/0x900
[  704.458119]  ? trace_hardirqs_off+0xb8/0x310
[  704.462534]  ? trace_hardirqs_off+0xb8/0x310
[  704.466962]  __alloc_pages_slowpath+0x2651/0x2de0
[  704.471841]  ? warn_alloc+0x120/0x120
[  704.475650]  ? warn_alloc+0x120/0x120
[  704.479459]  ? warn_alloc+0x120/0x120
[  704.483268]  ? print_usage_bug+0xc0/0xc0
[  704.487351]  ? print_usage_bug+0xc0/0xc0
[  704.491415]  ? print_usage_bug+0xc0/0xc0
[  704.495483]  ? print_usage_bug+0xc0/0xc0
[  704.499553]  ? print_usage_bug+0xc0/0xc0
[  704.503615]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  704.509156]  ? should_fail+0x22d/0xd01
[  704.513040]  ? print_usage_bug+0xc0/0xc0
[  704.517103]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  704.522226]  ? __lock_acquire+0x62f/0x4c20
[  704.526478]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  704.531594]  ? should_fail+0x22d/0xd01
[  704.535602]  ? mark_held_locks+0x130/0x130
[  704.539849]  ? mark_held_locks+0x130/0x130
[  704.544097]  ? zap_class+0x640/0x640
[  704.547816]  ? mark_held_locks+0x130/0x130
[  704.552052]  ? zap_class+0x640/0x640
[  704.555772]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  704.561319]  ? check_preemption_disabled+0x48/0x280
[  704.566350]  ? __lock_is_held+0xb5/0x140
[  704.570422]  __alloc_pages_nodemask+0xad8/0xea0
[  704.575094]  ? zap_class+0x640/0x640
[  704.578813]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  704.583845]  ? find_held_lock+0x36/0x1c0
[  704.587916]  ? ____cache_alloc_node+0x1c7/0x1e0
[  704.592588]  ? lock_downgrade+0x900/0x900
[  704.596747]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  704.602297]  cache_grow_begin+0xa5/0x8c0
[  704.606359]  ? do_raw_spin_unlock+0xa7/0x330
[  704.610778]  fallback_alloc+0x204/0x2e0
[  704.614763]  ____cache_alloc_node+0x1c7/0x1e0
[  704.619281]  kmem_cache_alloc_node+0xe3/0x730
[  704.623786]  ? lockdep_hardirqs_on+0x296/0x5b0
[  704.628383]  __alloc_skb+0x119/0x770
[  704.632093]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  704.637462]  ? netdev_alloc_frag+0x1f0/0x1f0
[  704.641875]  ? lock_acquire+0x1ed/0x520
[  704.645850]  ? aoecmd_cfg+0x108/0x7f0
[  704.649656]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  704.655193]  ? check_preemption_disabled+0x48/0x280
[  704.660246]  ? kasan_check_read+0x11/0x20
[  704.664391]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  704.669667]  ? rcu_softirq_qs+0x20/0x20
[  704.673652]  new_skb+0x26/0x1c0
[  704.676934]  aoecmd_cfg+0x279/0x7f0
[  704.680570]  ? find_held_lock+0x36/0x1c0
[  704.684635]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  704.688965]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  704.694507]  ? check_preemption_disabled+0x48/0x280
[  704.699535]  ? __lock_is_held+0xb5/0x140
[  704.703643]  discover_timer+0x50/0x60
[  704.707479]  call_timer_fn+0x272/0x920
[  704.711371]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  704.716235]  ? process_timeout+0x40/0x40
[  704.720316]  ? mark_held_locks+0xc7/0x130
[  704.724466]  ? _raw_spin_unlock_irq+0x27/0x80
[  704.728965]  ? _raw_spin_unlock_irq+0x27/0x80
[  704.733475]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  704.738323]  ? lockdep_hardirqs_on+0x296/0x5b0
[  704.742905]  ? trace_hardirqs_on+0xbd/0x310
[  704.747225]  ? kasan_check_read+0x11/0x20
[  704.751370]  ? __run_timers+0x7da/0xc70
[  704.755349]  ? trace_hardirqs_off_caller+0x310/0x310
[  704.760465]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  704.765310]  __run_timers+0x7e5/0xc70
[  704.769119]  ? timer_fixup_init+0x70/0x70
[  704.773296]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  704.778319]  ? zap_class+0x640/0x640
[  704.782053]  ? print_usage_bug+0xc0/0xc0
[  704.786124]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  704.791335]  ? find_held_lock+0x36/0x1c0
[  704.795402]  ? zap_class+0x640/0x640
[  704.799127]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  704.804684]  ? check_preemption_disabled+0x48/0x280
[  704.809714]  ? __lock_is_held+0xb5/0x140
[  704.813775]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  704.819320]  ? check_preemption_disabled+0x48/0x280
[  704.824370]  run_timer_softirq+0x52/0xb0
[  704.828443]  ? rcu_read_lock_sched_held+0x14f/0x180
[  704.833476]  __do_softirq+0x308/0xb7e
[  704.837303]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  704.841796]  ? lock_downgrade+0x900/0x900
[  704.845951]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  704.851065]  ? pvclock_read_flags+0x160/0x160
[  704.855570]  ? lapic_next_event+0x5a/0x90
[  704.859725]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  704.865273]  ? kvm_clock_read+0x18/0x30
[  704.869257]  ? kvm_sched_clock_read+0x9/0x20
[  704.873705]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  704.879244]  ? check_preemption_disabled+0x48/0x280
[  704.884272]  irq_exit+0x17f/0x1c0
[  704.887736]  smp_apic_timer_interrupt+0x1cb/0x760
[  704.892577]  ? smp_call_function_single_interrupt+0x159/0x650
[  704.898476]  ? smp_call_function_single_interrupt+0x650/0x650
[  704.904403]  ? interrupt_entry+0xb5/0xc0
[  704.908467]  ? trace_hardirqs_off_caller+0xbb/0x310
[  704.913651]  ? trace_hardirqs_off_caller+0xbb/0x310
[  704.918667]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  704.923515]  ? trace_hardirqs_on_caller+0x310/0x310
[  704.928537]  ? trace_hardirqs_on_caller+0x310/0x310
[  704.933569]  ? task_prio+0x50/0x50
[  704.937112]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  704.942741]  ? check_preemption_disabled+0x48/0x280
[  704.947783]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  704.952637]  apic_timer_interrupt+0xf/0x20
[  704.956865]  </IRQ>
[  704.959101] RIP: 0010:rcu_is_watching+0x0/0x30
[  704.963688] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
[  704.982595] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  704.990309] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
[  704.997579] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
[  705.004849] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
[  705.012111] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
[  705.019373] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  705.026662]  ? list_lru_count_one+0x253/0x450
[  705.031154]  ? list_lru_count_one+0x35d/0x450
[  705.035654]  ? list_lru_count_one+0x362/0x450
[  705.040155]  ? list_lru_isolate_move+0x3c0/0x3c0
[  705.044909]  ? shmem_free_inode+0xd0/0xd0
[  705.049064]  ? __lock_is_held+0xb5/0x140
[  705.053136]  super_cache_count+0x1b9/0x2e0
[  705.057378]  do_shrink_slab+0x1b1/0xd30
[  705.061379]  ? snapshot_refaults+0x290/0x290
[  705.065792]  ? lock_release+0xa00/0xa00
[  705.069881]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  705.074825]  ? down_read_trylock+0xda/0x140
[  705.079148]  ? shrink_slab+0x207/0x8c0
[  705.083034]  ? downgrade_write+0x270/0x270
[  705.087319]  shrink_slab+0x389/0x8c0
[  705.091033]  ? shrink_active_list+0x1f00/0x1f00
[  705.095739]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  705.101370]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  705.106483]  ? cgroup_procs_write_finish+0xf0/0xf0
[  705.111424]  ? find_held_lock+0x36/0x1c0
[  705.115509]  shrink_node+0x431/0x16b0
[  705.119324]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  705.124627]  ? shrink_node_memcg+0x18f0/0x18f0
[  705.129217]  ? kvm_clock_read+0x18/0x30
[  705.133190]  ? ktime_get+0x2c1/0x400
[  705.136910]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  705.141411]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  705.146967]  ? __cpuset_node_allowed+0x19b/0x660
[  705.151723]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  705.157438]  ? delayacct_end+0x5a/0x100
[  705.161434]  do_try_to_free_pages+0x3e7/0x1290
[  705.166014]  ? zap_class+0x640/0x640
[  705.169749]  ? shrink_node+0x16b0/0x16b0
[  705.173812]  ? __lock_is_held+0xb5/0x140
[  705.177903]  try_to_free_pages+0x4d0/0xb90
[  705.182145]  ? do_try_to_free_pages+0x1290/0x1290
[  705.186999]  ? lock_acquire+0x1ed/0x520
[  705.190972]  ? set_page_refcounted+0x280/0x280
[  705.195563]  ? lock_release+0xa00/0xa00
[  705.199538]  ? _raw_spin_unlock_irq+0x60/0x80
[  705.204039]  ? psi_memstall_enter+0x240/0x2b0
[  705.208536]  ? psi_memstall_tick+0x230/0x230
[  705.212961]  __alloc_pages_slowpath+0xa48/0x2de0
[  705.217745]  ? warn_alloc+0x120/0x120
[  705.221545]  ? mark_held_locks+0x130/0x130
[  705.225790]  ? find_get_entry+0xaae/0x1120
[  705.230037]  ? filemap_map_pages+0x1a20/0x1a20
[  705.234738]  ? zap_class+0x640/0x640
[  705.238459]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  705.244000]  ? check_preemption_disabled+0x48/0x280
[  705.249034]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  705.254572]  ? should_fail+0x22d/0xd01
[  705.258466]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  705.263582]  ? zap_class+0x640/0x640
[  705.267329]  ? __lock_is_held+0xb5/0x140
[  705.271407]  ? mark_held_locks+0x130/0x130
[  705.275663]  ? lock_release+0xa00/0xa00
[  705.279676]  ? perf_trace_sched_process_exec+0x860/0x860
[  705.285131]  ? xa_load+0x2ba/0x460
[  705.288690]  ? lock_downgrade+0x900/0x900
[  705.292869]  ? __might_sleep+0x95/0x190
[  705.296865]  __alloc_pages_nodemask+0xad8/0xea0
[  705.301570]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  705.306597]  ? __page_cache_alloc+0x191/0x5c0
[  705.311089]  ? xa_load+0x2e1/0x460
[  705.314629]  ? xa_clear_mark+0x40/0x40
[  705.318522]  ? zap_class+0x640/0x640
[  705.322247]  ? zap_class+0x640/0x640
[  705.325961]  ? zap_class+0x640/0x640
[  705.329679]  ? __do_page_cache_readahead+0x663/0x810
[  705.334791]  ? find_held_lock+0x36/0x1c0
[  705.338862]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  705.344409]  alloc_pages_current+0x173/0x350
[  705.348826]  __page_cache_alloc+0x38c/0x5c0
[  705.353145]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  705.358081]  ? kasan_check_read+0x11/0x20
[  705.362252]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  705.367536]  ? generic_perform_write+0x6a0/0x6a0
[  705.372309]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  705.377850]  ? check_preemption_disabled+0x48/0x280
[  705.382874]  filemap_fault+0x1595/0x25f0
[  705.386978]  ? __lock_page_or_retry+0xa00/0xa00
[  705.391654]  ? mark_held_locks+0x130/0x130
[  705.395896]  ? filemap_map_pages+0xd6b/0x1a20
[  705.400397]  ? lock_downgrade+0x900/0x900
[  705.404551]  ? check_preemption_disabled+0x48/0x280
[  705.409579]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  705.414509]  ? kasan_check_read+0x11/0x20
[  705.418658]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  705.423933]  ? rcu_softirq_qs+0x20/0x20
[  705.427925]  ? filemap_map_pages+0xd92/0x1a20
[  705.432434]  ? find_get_entries_tag+0x1400/0x1400
[  705.437292]  ? debug_object_destroy+0x2b0/0x2b0
[  705.441965]  ? lock_pi_update_atomic+0x150/0x150
[  705.446722]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  705.452276]  ? lock_acquire+0x1ed/0x520
[  705.456261]  ? ext4_filemap_fault+0x7a/0xad
[  705.460600]  ? lock_release+0xa00/0xa00
[  705.464583]  ? perf_trace_sched_process_exec+0x860/0x860
[  705.470037]  ? print_usage_bug+0xc0/0xc0
[  705.474100]  ? print_usage_bug+0xc0/0xc0
[  705.478174]  ? down_read+0x8d/0x120
[  705.481828]  ? ext4_filemap_fault+0x7a/0xad
[  705.486155]  ? __down_interruptible+0x700/0x700
[  705.490836]  ext4_filemap_fault+0x82/0xad
[  705.495003]  __do_fault+0x100/0x6b0
[  705.498627]  ? release_sock+0x1ec/0x2c0
[  705.502691]  ? pmd_devmap_trans_unstable+0x220/0x220
[  705.507800]  ? mark_held_locks+0x130/0x130
[  705.512036]  ? mark_held_locks+0x130/0x130
[  705.516268]  ? lock_sock_nested+0x9a/0x120
[  705.520508]  ? __release_sock+0x3a0/0x3a0
[  705.524677]  ? __local_bh_enable_ip+0x160/0x260
[  705.529362]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  705.534919]  __handle_mm_fault+0x3ea0/0x5be0
[  705.539338]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  705.544185]  ? apparmor_socket_sendmsg+0x29/0x30
[  705.548944]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  705.554482]  ? security_socket_sendmsg+0x94/0xc0
[  705.559242]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  705.564794]  ? zap_class+0x640/0x640
[  705.568512]  ? zap_class+0x640/0x640
[  705.572223]  ? __x64_sys_futex+0x53e/0x6a0
[  705.576469]  ? find_held_lock+0x36/0x1c0
[  705.580543]  ? handle_mm_fault+0x42a/0xc70
[  705.584788]  ? lock_downgrade+0x900/0x900
[  705.588938]  ? check_preemption_disabled+0x48/0x280
[  705.593961]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  705.598890]  ? kasan_check_read+0x11/0x20
[  705.603040]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  705.608323]  ? rcu_softirq_qs+0x20/0x20
[  705.612301]  ? trace_hardirqs_off_caller+0x310/0x310
[  705.617404]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  705.622947]  ? check_preemption_disabled+0x48/0x280
[  705.627974]  handle_mm_fault+0x54f/0xc70
[  705.632038]  ? __handle_mm_fault+0x5be0/0x5be0
[  705.636626]  ? find_vma+0x34/0x190
[  705.640169]  __do_page_fault+0x5e8/0xe60
[  705.644245]  ? trace_hardirqs_off+0xb8/0x310
[  705.648650]  ? __ia32_sys_read+0xb0/0xb0
[  705.652716]  do_page_fault+0xf2/0x7e0
[  705.656518]  ? vmalloc_sync_all+0x30/0x30
[  705.660679]  ? error_entry+0x70/0xd0
[  705.664402]  ? trace_hardirqs_off_caller+0xbb/0x310
[  705.669417]  ? trace_hardirqs_on_caller+0xc0/0x310
[  705.674350]  ? syscall_return_slowpath+0x5e0/0x5e0
[  705.679278]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  705.684141]  ? trace_hardirqs_on_caller+0x310/0x310
[  705.689156]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  705.694611]  ? prepare_exit_to_usermode+0x291/0x3b0
[  705.699626]  ? page_fault+0x8/0x30
[  705.703168]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  705.708014]  ? page_fault+0x8/0x30
[  705.711593]  page_fault+0x1e/0x30
[  705.715041] RIP: 0033:0x45ddf3
[  705.718242] Code: Bad RIP value.
[  705.721606] RSP: 002b:000000c420023ea0 EFLAGS: 00010202
[  705.726965] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
[  705.734233] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  705.741513] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  705.748788] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  705.756054] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
[  705.763360] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304
[  705.763365] warn_alloc_show_mem: 1 callbacks suppressed
[  705.763372] Mem-Info:
[  705.770635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  705.770643] Call Trace:
[  705.776012] active_anon:59588 inactive_anon:187 isolated_anon:0
[  705.776012]  active_file:13 inactive_file:14 isolated_file:0
[  705.776012]  unevictable:0 dirty:0 writeback:0 unstable:0
[  705.776012]  slab_reclaimable:10147 slab_unreclaimable:1445690
[  705.776012]  mapped:49154 shmem:244 pagetables:690 bounce:0
[  705.776012]  free:13773 free_pcp:174 free_cma:0
[  705.778388]  <IRQ>
[  705.787747] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  705.790336]  dump_stack+0x244/0x39d
[  705.823276] 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
[  705.825432]  ? dump_stack_print_info.cold.1+0x20/0x20
[  705.852901] lowmem_reserve[]: 0 2818 6321 6321
[  705.856528]  warn_alloc.cold.116+0xb7/0x1bd
[  705.882607] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  705.887790]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  705.892364] lowmem_reserve[]: 0 0 3503 3503
[  705.896694]  ? lock_downgrade+0x900/0x900
[  705.924168] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB
[  705.929010]  ? trace_hardirqs_off+0xb8/0x310
[  705.933306] lowmem_reserve[]: 0 0 0 0
[  705.937451]  ? trace_hardirqs_off+0xb8/0x310
[  705.966535] 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
[  705.970945]  __alloc_pages_slowpath+0x2651/0x2de0
[  705.974719] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
[  705.979147]  ? warn_alloc+0x120/0x120
[  705.992633] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  705.997481]  ? print_usage_bug+0xc0/0xc0
[  706.013423] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  706.017214]  ? warn_alloc+0x120/0x120
[  706.030808] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  706.034855]  ? warn_alloc+0x120/0x120
[  706.043668] 271 total pagecache pages
[  706.047460]  ? print_usage_bug+0xc0/0xc0
[  706.056018] 0 pages in swap cache
[  706.059805]  ? kvm_clock_read+0x18/0x30
[  706.063585] Swap cache stats: add 0, delete 0, find 0/0
[  706.067637]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  706.071077] Free swap  = 0kB
[  706.075103]  ? print_usage_bug+0xc0/0xc0
[  706.080443] Total swap = 0kB
[  706.085450]  ? __lock_acquire+0x62f/0x4c20
[  706.088442] 1965979 pages RAM
[  706.092496]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  706.095653] 0 pages HighMem/MovableOnly
[  706.095661] 342854 pages reserved
[  706.099908]  ? should_fail+0x22d/0xd01
[  706.103003] 0 pages cma reserved
[  706.108544]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  706.112567] aoe: skb alloc failure
[  706.115945]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  706.115960]  ? __lock_acquire+0x62f/0x4c20
[  706.115980]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  706.119875] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  706.123212]  ? __lock_acquire+0x62f/0x4c20
[  706.128462] syz-fuzzer cpuset=/ mems_allowed=0
[  706.131996]  ? should_fail+0x22d/0xd01
[  706.169247]  ? rcu_irq_exit+0x1a2/0x390
[  706.173237]  ? mark_held_locks+0x130/0x130
[  706.177476]  ? mark_held_locks+0x130/0x130
[  706.181716]  ? mark_held_locks+0xc7/0x130
[  706.185868]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  706.190882]  ? zap_class+0x640/0x640
[  706.194608]  ? print_usage_bug+0xc0/0xc0
[  706.198671]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  706.204211]  ? check_preemption_disabled+0x48/0x280
[  706.209233]  ? __lock_is_held+0xb5/0x140
[  706.213351]  __alloc_pages_nodemask+0xad8/0xea0
[  706.218019]  ? zap_class+0x640/0x640
[  706.221747]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  706.226776]  ? find_held_lock+0x36/0x1c0
[  706.230865]  ? ____cache_alloc_node+0x1c7/0x1e0
[  706.235537]  ? lock_downgrade+0x900/0x900
[  706.239697]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  706.245239]  cache_grow_begin+0xa5/0x8c0
[  706.249306]  ? do_raw_spin_unlock+0xa7/0x330
[  706.253722]  fallback_alloc+0x204/0x2e0
[  706.257705]  ____cache_alloc_node+0x1c7/0x1e0
[  706.262207]  kmem_cache_alloc_node+0xe3/0x730
[  706.266707]  ? ipv6_get_ifaddr+0x42e/0x620
[  706.270952]  __alloc_skb+0x119/0x770
[  706.274669]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  706.279949]  ? netdev_alloc_frag+0x1f0/0x1f0
[  706.284358]  ? lock_downgrade+0x900/0x900
[  706.288520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  706.294067]  ? refcount_sub_and_test_checked+0x203/0x310
[  706.299522]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  706.304975]  ? addrconf_rs_timer+0x690/0x690
[  706.309397]  ndisc_alloc_skb+0x144/0x340
[  706.313466]  ndisc_send_rs+0x331/0x6e0
[  706.317362]  addrconf_rs_timer+0x314/0x690
[  706.321605]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  706.325851]  call_timer_fn+0x272/0x920
[  706.329737]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  706.333969]  ? process_timeout+0x40/0x40
[  706.338040]  ? __run_timers+0x7da/0xc70
[  706.342027]  ? _raw_spin_unlock_irq+0x27/0x80
[  706.346527]  ? _raw_spin_unlock_irq+0x27/0x80
[  706.351019]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  706.355259]  ? lockdep_hardirqs_on+0x296/0x5b0
[  706.359850]  ? trace_hardirqs_on+0xbd/0x310
[  706.364172]  ? kasan_check_read+0x11/0x20
[  706.368317]  ? __run_timers+0x7da/0xc70
[  706.372304]  ? trace_hardirqs_off_caller+0x310/0x310
[  706.377431]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  706.381672]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  706.385904]  __run_timers+0x7e5/0xc70
[  706.389719]  ? timer_fixup_init+0x70/0x70
[  706.393876]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  706.398894]  ? zap_class+0x640/0x640
[  706.402614]  ? enqueue_hrtimer+0x1a5/0x560
[  706.406853]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  706.412054]  ? find_held_lock+0x36/0x1c0
[  706.416136]  ? zap_class+0x640/0x640
[  706.419886]  ? pvclock_read_flags+0x160/0x160
[  706.424385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  706.429926]  ? check_preemption_disabled+0x48/0x280
[  706.434952]  ? __lock_is_held+0xb5/0x140
[  706.439018]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  706.444564]  ? check_preemption_disabled+0x48/0x280
[  706.449590]  run_timer_softirq+0x52/0xb0
[  706.453654]  ? rcu_read_lock_sched_held+0x14f/0x180
[  706.458675]  __do_softirq+0x308/0xb7e
[  706.462482]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  706.466980]  ? lock_downgrade+0x900/0x900
[  706.471130]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  706.476244]  ? pvclock_read_flags+0x160/0x160
[  706.480742]  ? lapic_next_event+0x5a/0x90
[  706.484896]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  706.490443]  ? kvm_clock_read+0x18/0x30
[  706.494421]  ? kvm_sched_clock_read+0x9/0x20
[  706.498846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  706.504389]  ? check_preemption_disabled+0x48/0x280
[  706.509415]  irq_exit+0x17f/0x1c0
[  706.512872]  smp_apic_timer_interrupt+0x1cb/0x760
[  706.517713]  ? smp_reschedule_interrupt+0x109/0x650
[  706.522733]  ? smp_call_function_single_interrupt+0x650/0x650
[  706.528623]  ? interrupt_entry+0xb5/0xc0
[  706.532692]  ? trace_hardirqs_off_caller+0xbb/0x310
[  706.537708]  ? trace_hardirqs_off_caller+0xbb/0x310
[  706.542727]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  706.547570]  ? trace_hardirqs_on_caller+0x310/0x310
[  706.552586]  ? trace_hardirqs_on_caller+0x310/0x310
[  706.557619]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  706.562474]  apic_timer_interrupt+0xf/0x20
[  706.566705]  </IRQ>
[  706.568951] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  706.574838] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
[  706.593827] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  706.601795] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  706.609068] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286
[  706.616336] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000
[  706.623601] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40
[  706.630870] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286
[  706.638181]  ? save_stack+0xa9/0xd0
[  706.641820]  __kmalloc_node_track_caller+0x3c/0x70
[  706.646760]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  706.651520]  pskb_expand_head+0x230/0x10f0
[  706.655756]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  706.661214]  ? memcpy+0x45/0x50
[  706.664496]  ? __copy_skb_header+0x350/0x6b0
[  706.668907]  ? skb_release_data+0x880/0x880
[  706.673228]  ? __alloc_skb+0x770/0x770
[  706.677131]  ? __lock_is_held+0xb5/0x140
[  706.681204]  ? kasan_check_write+0x14/0x20
[  706.685440]  ? __skb_clone+0x6c7/0xa00
[  706.689329]  ? __copy_skb_header+0x6b0/0x6b0
[  706.693741]  ? kmem_cache_alloc+0x33a/0x730
[  706.698073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  706.703618]  skb_ensure_writable+0x3dd/0x640
[  706.708030]  ? skb_checksum_setup+0xaa0/0xaa0
[  706.712535]  ? preempt_notifier_register+0x200/0x200
[  706.717639]  ? __switch_to_asm+0x34/0x70
[  706.721703]  ? __switch_to_asm+0x34/0x70
[  706.725760]  ? __switch_to_asm+0x40/0x70
[  706.729819]  ? __switch_to_asm+0x34/0x70
[  706.733876]  ? __switch_to_asm+0x40/0x70
[  706.737940]  ? __switch_to_asm+0x40/0x70
[  706.742000]  ? __switch_to_asm+0x34/0x70
[  706.746083]  ? __switch_to_asm+0x34/0x70
[  706.750153]  ? __switch_to_asm+0x40/0x70
[  706.754212]  ? __switch_to_asm+0x34/0x70
[  706.758279]  bpf_clone_redirect+0x14a/0x490
[  706.762625]  bpf_prog_12ab75334035c288+0xfcd/0x1000
[  706.767645]  ? __sched_text_start+0x8/0x8
[  706.771795]  ? retint_kernel+0x2d/0x2d
[  706.775696]  ? find_held_lock+0x36/0x1c0
[  706.779764]  ? lock_acquire+0x1ed/0x520
[  706.783739]  ? bpf_test_run+0x3cb/0x780
[  706.787719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  706.793259]  ? check_preemption_disabled+0x48/0x280
[  706.798319]  ? kasan_check_read+0x11/0x20
[  706.802467]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  706.807742]  ? rcu_softirq_qs+0x20/0x20
[  706.811721]  ? preempt_schedule+0x4d/0x60
[  706.815874]  ? ___preempt_schedule+0x16/0x18
[  706.820330]  ? bpf_test_run+0x25d/0x780
[  706.824355]  ? netlink_diag_dump+0x2a0/0x2a0
[  706.828782]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  706.834318]  ? bpf_test_init.isra.10+0x70/0x100
[  706.838993]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  706.843758]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  706.848598]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  706.854137]  ? fput+0x130/0x1a0
[  706.857448]  ? __bpf_prog_get+0x9b/0x290
[  706.861518]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  706.866373]  ? bpf_prog_test_run+0x130/0x1a0
[  706.870783]  ? __x64_sys_bpf+0x3d8/0x520
[  706.874862]  ? bpf_prog_get+0x20/0x20
[  706.878681]  ? do_syscall_64+0x1b9/0x820
[  706.882748]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  706.888117]  ? syscall_return_slowpath+0x5e0/0x5e0
[  706.893053]  ? trace_hardirqs_on_caller+0x310/0x310
[  706.898078]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  706.903099]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  706.909766]  ? __switch_to_asm+0x40/0x70
[  706.913827]  ? __switch_to_asm+0x34/0x70
[  706.917892]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  706.922741]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  706.928127] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
[  706.928192] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  706.935141] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  706.935147] Call Trace:
[  706.935153]  <IRQ>
[  706.935171]  dump_stack+0x244/0x39d
[  706.935190]  ? dump_stack_print_info.cold.1+0x20/0x20
[  706.941719] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  706.951021]  warn_alloc.cold.116+0xb7/0x1bd
[  706.953574] syz-executor3 cpuset=syz3 mems_allowed=0
[  706.955717]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  706.989233]  ? lock_downgrade+0x900/0x900
[  706.993392]  ? trace_hardirqs_off+0xb8/0x310
[  706.997809]  ? trace_hardirqs_off+0xb8/0x310
[  707.002231]  __alloc_pages_slowpath+0x2651/0x2de0
[  707.007115]  ? warn_alloc+0x120/0x120
[  707.010920]  ? warn_alloc+0x120/0x120
[  707.014722]  ? __lock_acquire+0x62f/0x4c20
[  707.018956]  ? warn_alloc+0x120/0x120
[  707.022757]  ? print_usage_bug+0xc0/0xc0
[  707.026822]  ? print_usage_bug+0xc0/0xc0
[  707.030888]  ? mark_held_locks+0x130/0x130
[  707.035133]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  707.040673]  ? should_fail+0x22d/0xd01
[  707.044566]  ? zap_class+0x640/0x640
[  707.048296]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  707.053401]  ? __lock_acquire+0x62f/0x4c20
[  707.057645]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  707.062747]  ? should_fail+0x22d/0xd01
[  707.066653]  ? mark_held_locks+0x130/0x130
[  707.070891]  ? mark_held_locks+0x130/0x130
[  707.075127]  ? lock_downgrade+0x900/0x900
[  707.079280]  ? zap_class+0x640/0x640
[  707.083014]  ? zap_class+0x640/0x640
[  707.086742]  ? zap_class+0x640/0x640
[  707.090453]  ? do_raw_spin_unlock+0xa7/0x330
[  707.094862]  ? trace_hardirqs_on+0x310/0x310
[  707.099269]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.104817]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.110356]  ? check_preemption_disabled+0x48/0x280
[  707.115382]  ? __lock_is_held+0xb5/0x140
[  707.119454]  __alloc_pages_nodemask+0xad8/0xea0
[  707.124120]  ? zap_class+0x640/0x640
[  707.127840]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  707.132871]  ? find_held_lock+0x36/0x1c0
[  707.136943]  ? ____cache_alloc_node+0x1c7/0x1e0
[  707.141613]  ? lock_downgrade+0x900/0x900
[  707.145768]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.151322]  cache_grow_begin+0xa5/0x8c0
[  707.155398]  ? do_raw_spin_unlock+0xa7/0x330
[  707.159830]  fallback_alloc+0x204/0x2e0
[  707.163816]  ____cache_alloc_node+0x1c7/0x1e0
[  707.168323]  kmem_cache_alloc_node+0xe3/0x730
[  707.172822]  ? lockdep_hardirqs_on+0x296/0x5b0
[  707.177414]  __alloc_skb+0x119/0x770
[  707.181160]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  707.186524]  ? netdev_alloc_frag+0x1f0/0x1f0
[  707.190944]  ? vprintk_default+0x28/0x30
[  707.195006]  ? vprintk_func+0x85/0x181
[  707.198898]  ? printk+0xa7/0xcf
[  707.202178]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  707.206942]  new_skb+0x26/0x1c0
[  707.210225]  aoecmd_cfg+0x279/0x7f0
[  707.213855]  ? find_held_lock+0x36/0x1c0
[  707.217922]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  707.222261]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.227819]  ? __lock_is_held+0xb5/0x140
[  707.231891]  discover_timer+0x50/0x60
[  707.235695]  call_timer_fn+0x272/0x920
[  707.239581]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  707.244422]  ? process_timeout+0x40/0x40
[  707.248492]  ? mark_held_locks+0xc7/0x130
[  707.252643]  ? _raw_spin_unlock_irq+0x27/0x80
[  707.257135]  ? _raw_spin_unlock_irq+0x27/0x80
[  707.261632]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  707.266479]  ? lockdep_hardirqs_on+0x296/0x5b0
[  707.271064]  ? trace_hardirqs_on+0xbd/0x310
[  707.275387]  ? kasan_check_read+0x11/0x20
[  707.279533]  ? __run_timers+0x7da/0xc70
[  707.283516]  ? trace_hardirqs_off_caller+0x310/0x310
[  707.288648]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  707.293488]  __run_timers+0x7e5/0xc70
[  707.297309]  ? timer_fixup_init+0x70/0x70
[  707.301462]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  707.306482]  ? zap_class+0x640/0x640
[  707.310204]  ? print_usage_bug+0xc0/0xc0
[  707.314282]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  707.319502]  ? find_held_lock+0x36/0x1c0
[  707.323574]  ? zap_class+0x640/0x640
[  707.327335]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.332896]  ? check_preemption_disabled+0x48/0x280
[  707.337922]  ? __lock_is_held+0xb5/0x140
[  707.341986]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.347527]  ? check_preemption_disabled+0x48/0x280
[  707.352561]  run_timer_softirq+0x52/0xb0
[  707.356624]  ? rcu_read_lock_sched_held+0x14f/0x180
[  707.361640]  __do_softirq+0x308/0xb7e
[  707.365444]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  707.369939]  ? lock_downgrade+0x900/0x900
[  707.374091]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  707.379207]  ? pvclock_read_flags+0x160/0x160
[  707.383704]  ? lapic_next_event+0x5a/0x90
[  707.387854]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.393400]  ? kvm_clock_read+0x18/0x30
[  707.397372]  ? kvm_sched_clock_read+0x9/0x20
[  707.401783]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  707.407322]  ? check_preemption_disabled+0x48/0x280
[  707.412351]  irq_exit+0x17f/0x1c0
[  707.415811]  smp_apic_timer_interrupt+0x1cb/0x760
[  707.420656]  ? smp_call_function_single_interrupt+0x159/0x650
[  707.426545]  ? smp_call_function_single_interrupt+0x650/0x650
[  707.432439]  ? interrupt_entry+0xb5/0xc0
[  707.436520]  ? trace_hardirqs_off_caller+0xbb/0x310
[  707.441541]  ? trace_hardirqs_off_caller+0xbb/0x310
[  707.446572]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  707.451428]  ? trace_hardirqs_on_caller+0x310/0x310
[  707.456443]  ? trace_hardirqs_on_caller+0x310/0x310
[  707.461474]  ? task_prio+0x50/0x50
[  707.465035]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.470578]  ? check_preemption_disabled+0x48/0x280
[  707.475635]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  707.480489]  apic_timer_interrupt+0xf/0x20
[  707.484728]  </IRQ>
[  707.486981] RIP: 0010:rcu_is_watching+0x0/0x30
[  707.491569] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
[  707.510502] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  707.518213] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
[  707.525479] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
[  707.532749] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
[  707.540017] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
[  707.547281] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  707.554586]  ? list_lru_count_one+0x253/0x450
[  707.559081]  ? list_lru_count_one+0x35d/0x450
[  707.563585]  ? list_lru_count_one+0x362/0x450
[  707.568084]  ? list_lru_isolate_move+0x3c0/0x3c0
[  707.572854]  ? shmem_free_inode+0xd0/0xd0
[  707.577011]  ? __lock_is_held+0xb5/0x140
[  707.581081]  super_cache_count+0x1b9/0x2e0
[  707.585332]  do_shrink_slab+0x1b1/0xd30
[  707.589330]  ? snapshot_refaults+0x290/0x290
[  707.593746]  ? lock_release+0xa00/0xa00
[  707.597729]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  707.602670]  ? down_read_trylock+0xda/0x140
[  707.606989]  ? shrink_slab+0x207/0x8c0
[  707.610880]  ? downgrade_write+0x270/0x270
[  707.615126]  shrink_slab+0x389/0x8c0
[  707.618841]  ? shrink_active_list+0x1f00/0x1f00
[  707.623517]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  707.629154]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  707.634266]  ? cgroup_procs_write_finish+0xf0/0xf0
[  707.639215]  ? find_held_lock+0x36/0x1c0
[  707.643292]  shrink_node+0x431/0x16b0
[  707.647097]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  707.652399]  ? shrink_node_memcg+0x18f0/0x18f0
[  707.656987]  ? kvm_clock_read+0x18/0x30
[  707.660992]  ? ktime_get+0x2c1/0x400
[  707.664706]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  707.669223]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  707.674761]  ? __cpuset_node_allowed+0x19b/0x660
[  707.679522]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  707.685237]  ? delayacct_end+0x5a/0x100
[  707.689220]  do_try_to_free_pages+0x3e7/0x1290
[  707.693800]  ? zap_class+0x640/0x640
[  707.697533]  ? shrink_node+0x16b0/0x16b0
[  707.701604]  ? __lock_is_held+0xb5/0x140
[  707.705678]  try_to_free_pages+0x4d0/0xb90
[  707.709917]  ? do_try_to_free_pages+0x1290/0x1290
[  707.714777]  ? lock_acquire+0x1ed/0x520
[  707.718750]  ? set_page_refcounted+0x280/0x280
[  707.723341]  ? lock_release+0xa00/0xa00
[  707.727320]  ? _raw_spin_unlock_irq+0x60/0x80
[  707.731819]  ? psi_memstall_enter+0x240/0x2b0
[  707.736323]  ? psi_memstall_tick+0x230/0x230
[  707.740744]  __alloc_pages_slowpath+0xa48/0x2de0
[  707.745529]  ? warn_alloc+0x120/0x120
[  707.749335]  ? mark_held_locks+0x130/0x130
[  707.753585]  ? find_get_entry+0xaae/0x1120
[  707.757829]  ? filemap_map_pages+0x1a20/0x1a20
[  707.762416]  ? zap_class+0x640/0x640
[  707.766166]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.771703]  ? check_preemption_disabled+0x48/0x280
[  707.776718]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  707.782266]  ? should_fail+0x22d/0xd01
[  707.786164]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  707.791294]  ? zap_class+0x640/0x640
[  707.795063]  ? __lock_is_held+0xb5/0x140
[  707.799133]  ? mark_held_locks+0x130/0x130
[  707.803372]  ? lock_release+0xa00/0xa00
[  707.807351]  ? perf_trace_sched_process_exec+0x860/0x860
[  707.812801]  ? xa_load+0x2ba/0x460
[  707.816344]  ? lock_downgrade+0x900/0x900
[  707.820502]  ? __might_sleep+0x95/0x190
[  707.824486]  __alloc_pages_nodemask+0xad8/0xea0
[  707.829177]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  707.834205]  ? __page_cache_alloc+0x191/0x5c0
[  707.838722]  ? xa_load+0x2e1/0x460
[  707.842262]  ? xa_clear_mark+0x40/0x40
[  707.846159]  ? zap_class+0x640/0x640
[  707.849896]  ? zap_class+0x640/0x640
[  707.853623]  ? zap_class+0x640/0x640
[  707.857342]  ? __do_page_cache_readahead+0x663/0x810
[  707.862454]  ? find_held_lock+0x36/0x1c0
[  707.866524]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  707.872068]  alloc_pages_current+0x173/0x350
[  707.876501]  __page_cache_alloc+0x38c/0x5c0
[  707.880820]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  707.885752]  ? kasan_check_read+0x11/0x20
[  707.889901]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  707.895181]  ? generic_perform_write+0x6a0/0x6a0
[  707.899965]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  707.905505]  ? check_preemption_disabled+0x48/0x280
[  707.910528]  filemap_fault+0x1595/0x25f0
[  707.914606]  ? __lock_page_or_retry+0xa00/0xa00
[  707.919275]  ? mark_held_locks+0x130/0x130
[  707.923544]  ? filemap_map_pages+0xd6b/0x1a20
[  707.928059]  ? lock_downgrade+0x900/0x900
[  707.932210]  ? check_preemption_disabled+0x48/0x280
[  707.937229]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  707.942156]  ? kasan_check_read+0x11/0x20
[  707.946325]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  707.951603]  ? rcu_softirq_qs+0x20/0x20
[  707.955597]  ? filemap_map_pages+0xd92/0x1a20
[  707.960108]  ? find_get_entries_tag+0x1400/0x1400
[  707.965176]  ? debug_object_destroy+0x2b0/0x2b0
[  707.969848]  ? lock_pi_update_atomic+0x150/0x150
[  707.974604]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.980156]  ? lock_acquire+0x1ed/0x520
[  707.984129]  ? ext4_filemap_fault+0x7a/0xad
[  707.988458]  ? lock_release+0xa00/0xa00
[  707.992446]  ? perf_trace_sched_process_exec+0x860/0x860
[  707.997915]  ? print_usage_bug+0xc0/0xc0
[  708.001978]  ? print_usage_bug+0xc0/0xc0
[  708.006049]  ? down_read+0x8d/0x120
[  708.009672]  ? ext4_filemap_fault+0x7a/0xad
[  708.013994]  ? __down_interruptible+0x700/0x700
[  708.018674]  ext4_filemap_fault+0x82/0xad
[  708.022826]  __do_fault+0x100/0x6b0
[  708.026451]  ? release_sock+0x1ec/0x2c0
[  708.030444]  ? pmd_devmap_trans_unstable+0x220/0x220
[  708.035555]  ? mark_held_locks+0x130/0x130
[  708.039793]  ? mark_held_locks+0x130/0x130
[  708.044026]  ? lock_sock_nested+0x9a/0x120
[  708.048263]  ? __release_sock+0x3a0/0x3a0
[  708.052434]  ? __local_bh_enable_ip+0x160/0x260
[  708.057110]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  708.062667]  __handle_mm_fault+0x3ea0/0x5be0
[  708.067102]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  708.071947]  ? apparmor_socket_sendmsg+0x29/0x30
[  708.076706]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  708.082245]  ? security_socket_sendmsg+0x94/0xc0
[  708.087041]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  708.092597]  ? zap_class+0x640/0x640
[  708.096504]  ? zap_class+0x640/0x640
[  708.100220]  ? __x64_sys_futex+0x53e/0x6a0
[  708.104461]  ? find_held_lock+0x36/0x1c0
[  708.108571]  ? handle_mm_fault+0x42a/0xc70
[  708.112823]  ? lock_downgrade+0x900/0x900
[  708.116970]  ? check_preemption_disabled+0x48/0x280
[  708.121991]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  708.126918]  ? kasan_check_read+0x11/0x20
[  708.131066]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  708.136370]  ? rcu_softirq_qs+0x20/0x20
[  708.140373]  ? trace_hardirqs_off_caller+0x310/0x310
[  708.145483]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  708.151023]  ? check_preemption_disabled+0x48/0x280
[  708.156046]  handle_mm_fault+0x54f/0xc70
[  708.160110]  ? __handle_mm_fault+0x5be0/0x5be0
[  708.164699]  ? find_vma+0x34/0x190
[  708.168247]  __do_page_fault+0x5e8/0xe60
[  708.172329]  ? trace_hardirqs_off+0xb8/0x310
[  708.176735]  ? __ia32_sys_read+0xb0/0xb0
[  708.180807]  do_page_fault+0xf2/0x7e0
[  708.184611]  ? vmalloc_sync_all+0x30/0x30
[  708.188759]  ? error_entry+0x70/0xd0
[  708.192477]  ? trace_hardirqs_off_caller+0xbb/0x310
[  708.197496]  ? trace_hardirqs_on_caller+0xc0/0x310
[  708.202430]  ? syscall_return_slowpath+0x5e0/0x5e0
[  708.207356]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  708.212196]  ? trace_hardirqs_on_caller+0x310/0x310
[  708.217215]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  708.222674]  ? prepare_exit_to_usermode+0x291/0x3b0
[  708.227725]  ? page_fault+0x8/0x30
[  708.231276]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  708.236131]  ? page_fault+0x8/0x30
[  708.239677]  page_fault+0x1e/0x30
[  708.243147] RIP: 0033:0x45ddf3
[  708.246358] Code: Bad RIP value.
[  708.249717] RSP: 002b:000000c420023ea0 EFLAGS: 00010202
[  708.255078] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
[  708.262374] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  708.269639] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  708.276902] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  708.284167] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
[  708.291462] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304
[  708.291467] warn_alloc_show_mem: 1 callbacks suppressed
[  708.291474] Mem-Info:
[  708.298737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  708.298745] Call Trace:
[  708.304112] active_anon:59588 inactive_anon:187 isolated_anon:0
[  708.304112]  active_file:13 inactive_file:14 isolated_file:0
[  708.304112]  unevictable:0 dirty:0 writeback:0 unstable:0
[  708.304112]  slab_reclaimable:10147 slab_unreclaimable:1445690
[  708.304112]  mapped:49154 shmem:244 pagetables:690 bounce:0
[  708.304112]  free:13773 free_pcp:174 free_cma:0
[  708.306483]  <IRQ>
[  708.315872] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  708.318455]  dump_stack+0x244/0x39d
[  708.351397] 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
[  708.353546]  ? dump_stack_print_info.cold.1+0x20/0x20
[  708.381019] lowmem_reserve[]: 0 2818 6321 6321
[  708.384651]  warn_alloc.cold.116+0xb7/0x1bd
[  708.410725] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  708.415907]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  708.420462] lowmem_reserve[]: 0 0 3503 3503
[  708.424780]  ? lock_downgrade+0x900/0x900
[  708.452249] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB
[  708.457092]  ? trace_hardirqs_off+0xb8/0x310
[  708.461381] lowmem_reserve[]: 0 0 0 0
[  708.465525]  ? trace_hardirqs_off+0xb8/0x310
[  708.494387] 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
[  708.498795]  __alloc_pages_slowpath+0x2651/0x2de0
[  708.502572] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
[  708.506995]  ? warn_alloc+0x120/0x120
[  708.520474] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  708.525325]  ? print_usage_bug+0xc0/0xc0
[  708.541275] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  708.545076]  ? warn_alloc+0x120/0x120
[  708.558671] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  708.562721]  ? warn_alloc+0x120/0x120
[  708.571531] 271 total pagecache pages
[  708.575327]  ? print_usage_bug+0xc0/0xc0
[  708.583884] 0 pages in swap cache
[  708.587672]  ? print_usage_bug+0xc0/0xc0
[  708.591448] Swap cache stats: add 0, delete 0, find 0/0
[  708.595501]  ? __lock_acquire+0x62f/0x4c20
[  708.598927] Free swap  = 0kB
[  708.602996]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  708.608331] Total swap = 0kB
[  708.612556]  ? should_fail+0x22d/0xd01
[  708.615555] 1965979 pages RAM
[  708.621100]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  708.624098] 0 pages HighMem/MovableOnly
[  708.627980]  ? __lock_acquire+0x62f/0x4c20
[  708.631061] 342854 pages reserved
[  708.636170]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  708.640118] 0 pages cma reserved
[  708.644350]  ? __lock_acquire+0x62f/0x4c20
[  708.647845] aoe: skb alloc failure
[  708.652870]  ? should_fail+0x22d/0xd01
[  708.652886]  ? find_held_lock+0x36/0x1c0
[  708.656323] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  708.660490]  ? mark_held_locks+0x130/0x130
[  708.664004] syz-fuzzer cpuset=/ mems_allowed=0
[  708.667899]  ? mark_held_locks+0x130/0x130
[  708.695148]  ? zap_class+0x640/0x640
[  708.698862]  ? zap_class+0x640/0x640
[  708.702579]  ? print_usage_bug+0xc0/0xc0
[  708.706663]  ? do_raw_spin_unlock+0xa7/0x330
[  708.711073]  ? zap_class+0x640/0x640
[  708.714784]  ? print_usage_bug+0xc0/0xc0
[  708.718844]  ? wq_watchdog_touch+0x9c/0xfe
[  708.723081]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  708.728616]  ? check_preemption_disabled+0x48/0x280
[  708.733655]  ? __lock_is_held+0xb5/0x140
[  708.737720]  __alloc_pages_nodemask+0xad8/0xea0
[  708.742403]  ? zap_class+0x640/0x640
[  708.746124]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  708.751167]  ? find_held_lock+0x36/0x1c0
[  708.755241]  ? ____cache_alloc_node+0x1c7/0x1e0
[  708.759913]  ? lock_downgrade+0x900/0x900
[  708.764077]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  708.769624]  cache_grow_begin+0xa5/0x8c0
[  708.773688]  ? do_raw_spin_unlock+0xa7/0x330
[  708.778136]  fallback_alloc+0x204/0x2e0
[  708.782122]  ____cache_alloc_node+0x1c7/0x1e0
[  708.786627]  kmem_cache_alloc_node+0xe3/0x730
[  708.791126]  ? ipv6_get_ifaddr+0x42e/0x620
[  708.795377]  __alloc_skb+0x119/0x770
[  708.799090]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  708.804370]  ? netdev_alloc_frag+0x1f0/0x1f0
[  708.808777]  ? lock_downgrade+0x900/0x900
[  708.813022]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  708.818565]  ? refcount_sub_and_test_checked+0x203/0x310
[  708.824021]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  708.829472]  ? addrconf_rs_timer+0x690/0x690
[  708.833892]  ndisc_alloc_skb+0x144/0x340
[  708.837976]  ndisc_send_rs+0x331/0x6e0
[  708.841867]  addrconf_rs_timer+0x314/0x690
[  708.846106]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  708.850349]  call_timer_fn+0x272/0x920
[  708.854234]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  708.858480]  ? process_timeout+0x40/0x40
[  708.862565]  ? __run_timers+0x7da/0xc70
[  708.866544]  ? _raw_spin_unlock_irq+0x27/0x80
[  708.871039]  ? _raw_spin_unlock_irq+0x27/0x80
[  708.875537]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  708.879771]  ? lockdep_hardirqs_on+0x296/0x5b0
[  708.884358]  ? trace_hardirqs_on+0xbd/0x310
[  708.888674]  ? kasan_check_read+0x11/0x20
[  708.892814]  ? __run_timers+0x7da/0xc70
[  708.896799]  ? trace_hardirqs_off_caller+0x310/0x310
[  708.901903]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  708.906139]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  708.910371]  __run_timers+0x7e5/0xc70
[  708.914180]  ? timer_fixup_init+0x70/0x70
[  708.918330]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  708.923351]  ? zap_class+0x640/0x640
[  708.927074]  ? enqueue_hrtimer+0x1a5/0x560
[  708.931335]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  708.936563]  ? find_held_lock+0x36/0x1c0
[  708.940644]  ? zap_class+0x640/0x640
[  708.944359]  ? pvclock_read_flags+0x160/0x160
[  708.948854]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  708.954396]  ? check_preemption_disabled+0x48/0x280
[  708.959419]  ? __lock_is_held+0xb5/0x140
[  708.963483]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  708.969020]  ? check_preemption_disabled+0x48/0x280
[  708.974067]  run_timer_softirq+0x52/0xb0
[  708.978132]  ? rcu_read_lock_sched_held+0x14f/0x180
[  708.983149]  __do_softirq+0x308/0xb7e
[  708.986953]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  708.991459]  ? lock_downgrade+0x900/0x900
[  708.995609]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  709.000717]  ? pvclock_read_flags+0x160/0x160
[  709.005217]  ? lapic_next_event+0x5a/0x90
[  709.009362]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  709.014921]  ? kvm_clock_read+0x18/0x30
[  709.018910]  ? kvm_sched_clock_read+0x9/0x20
[  709.023343]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  709.028881]  ? check_preemption_disabled+0x48/0x280
[  709.033921]  irq_exit+0x17f/0x1c0
[  709.037401]  smp_apic_timer_interrupt+0x1cb/0x760
[  709.042246]  ? smp_reschedule_interrupt+0x109/0x650
[  709.047303]  ? smp_call_function_single_interrupt+0x650/0x650
[  709.053188]  ? interrupt_entry+0xb5/0xc0
[  709.057267]  ? trace_hardirqs_off_caller+0xbb/0x310
[  709.062295]  ? trace_hardirqs_off_caller+0xbb/0x310
[  709.067319]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  709.072160]  ? trace_hardirqs_on_caller+0x310/0x310
[  709.077171]  ? trace_hardirqs_on_caller+0x310/0x310
[  709.082247]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  709.087095]  apic_timer_interrupt+0xf/0x20
[  709.091346]  </IRQ>
[  709.093580] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  709.099465] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
[  709.118359] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  709.126069] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  709.133332] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286
[  709.140614] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000
[  709.147877] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40
[  709.155141] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286
[  709.162439]  ? save_stack+0xa9/0xd0
[  709.166090]  __kmalloc_node_track_caller+0x3c/0x70
[  709.171022]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  709.175786]  pskb_expand_head+0x230/0x10f0
[  709.180022]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  709.185482]  ? memcpy+0x45/0x50
[  709.188765]  ? __copy_skb_header+0x350/0x6b0
[  709.193201]  ? skb_release_data+0x880/0x880
[  709.197519]  ? __alloc_skb+0x770/0x770
[  709.201418]  ? __lock_is_held+0xb5/0x140
[  709.205484]  ? kasan_check_write+0x14/0x20
[  709.209717]  ? __skb_clone+0x6c7/0xa00
[  709.213624]  ? __copy_skb_header+0x6b0/0x6b0
[  709.218027]  ? kmem_cache_alloc+0x33a/0x730
[  709.222353]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  709.227896]  skb_ensure_writable+0x3dd/0x640
[  709.232318]  ? skb_checksum_setup+0xaa0/0xaa0
[  709.236816]  ? preempt_notifier_register+0x200/0x200
[  709.241917]  ? __switch_to_asm+0x34/0x70
[  709.245990]  ? __switch_to_asm+0x34/0x70
[  709.250067]  ? __switch_to_asm+0x40/0x70
[  709.254142]  ? __switch_to_asm+0x34/0x70
[  709.258235]  ? __switch_to_asm+0x40/0x70
[  709.262301]  ? __switch_to_asm+0x40/0x70
[  709.266357]  ? __switch_to_asm+0x34/0x70
[  709.270419]  ? __switch_to_asm+0x34/0x70
[  709.274480]  ? __switch_to_asm+0x40/0x70
[  709.278539]  ? __switch_to_asm+0x34/0x70
[  709.282604]  bpf_clone_redirect+0x14a/0x490
[  709.286932]  bpf_prog_12ab75334035c288+0xfcd/0x1000
[  709.291953]  ? __sched_text_start+0x8/0x8
[  709.296100]  ? retint_kernel+0x2d/0x2d
[  709.300000]  ? find_held_lock+0x36/0x1c0
[  709.304077]  ? lock_acquire+0x1ed/0x520
[  709.308086]  ? bpf_test_run+0x3cb/0x780
[  709.312082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  709.317616]  ? check_preemption_disabled+0x48/0x280
[  709.322641]  ? kasan_check_read+0x11/0x20
[  709.326792]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  709.332072]  ? rcu_softirq_qs+0x20/0x20
[  709.336057]  ? preempt_schedule+0x4d/0x60
[  709.340204]  ? ___preempt_schedule+0x16/0x18
[  709.344625]  ? bpf_test_run+0x25d/0x780
[  709.348614]  ? netlink_diag_dump+0x2a0/0x2a0
[  709.353112]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  709.358648]  ? bpf_test_init.isra.10+0x70/0x100
[  709.363328]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  709.368091]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  709.372931]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  709.378467]  ? fput+0x130/0x1a0
[  709.381750]  ? __bpf_prog_get+0x9b/0x290
[  709.385820]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  709.390663]  ? bpf_prog_test_run+0x130/0x1a0
[  709.395104]  ? __x64_sys_bpf+0x3d8/0x520
[  709.399199]  ? bpf_prog_get+0x20/0x20
[  709.403027]  ? do_syscall_64+0x1b9/0x820
[  709.407104]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  709.412473]  ? syscall_return_slowpath+0x5e0/0x5e0
[  709.417410]  ? trace_hardirqs_on_caller+0x310/0x310
[  709.422427]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  709.427444]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  709.434106]  ? __switch_to_asm+0x40/0x70
[  709.438161]  ? __switch_to_asm+0x34/0x70
[  709.442241]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  709.447124]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  709.452522] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
[  709.452597] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  709.459537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  709.459542] Call Trace:
[  709.459555]  <IRQ>
[  709.459573]  dump_stack+0x244/0x39d
[  709.459591]  ? dump_stack_print_info.cold.1+0x20/0x20
[  709.466174] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  709.475443]  warn_alloc.cold.116+0xb7/0x1bd
[  709.478011] syz-executor3 cpuset=syz3 mems_allowed=0
[  709.480153]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  709.513641]  ? lock_downgrade+0x900/0x900
[  709.517798]  ? trace_hardirqs_off+0xb8/0x310
[  709.522210]  ? trace_hardirqs_off+0xb8/0x310
[  709.526636]  __alloc_pages_slowpath+0x2651/0x2de0
[  709.531546]  ? warn_alloc+0x120/0x120
[  709.535365]  ? warn_alloc+0x120/0x120
[  709.539179]  ? warn_alloc+0x120/0x120
[  709.542979]  ? print_usage_bug+0xc0/0xc0
[  709.547035]  ? print_usage_bug+0xc0/0xc0
[  709.551092]  ? ktime_get+0x2c1/0x400
[  709.554813]  ? check_preemption_disabled+0x48/0x280
[  709.559824]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  709.564328]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  709.569867]  ? should_fail+0x22d/0xd01
[  709.573757]  ? kasan_check_read+0x11/0x20
[  709.577903]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  709.583004]  ? __lock_acquire+0x62f/0x4c20
[  709.587253]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  709.592363]  ? should_fail+0x22d/0xd01
[  709.596252]  ? print_usage_bug+0xc0/0xc0
[  709.600328]  ? mark_held_locks+0x130/0x130
[  709.604572]  ? mark_held_locks+0x130/0x130
[  709.608805]  ? check_preemption_disabled+0x48/0x280
[  709.613831]  ? zap_class+0x640/0x640
[  709.617598]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  709.622373]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  709.627910]  ? check_preemption_disabled+0x48/0x280
[  709.632939]  ? __lock_is_held+0xb5/0x140
[  709.637006]  __alloc_pages_nodemask+0xad8/0xea0
[  709.641702]  ? zap_class+0x640/0x640
[  709.645438]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  709.650469]  ? find_held_lock+0x36/0x1c0
[  709.654537]  ? ____cache_alloc_node+0x1c7/0x1e0
[  709.659210]  ? lock_downgrade+0x900/0x900
[  709.663376]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  709.668916]  cache_grow_begin+0xa5/0x8c0
[  709.672990]  ? do_raw_spin_unlock+0xa7/0x330
[  709.677409]  fallback_alloc+0x204/0x2e0
[  709.681388]  ____cache_alloc_node+0x1c7/0x1e0
[  709.685895]  kmem_cache_alloc_node+0xe3/0x730
[  709.690406]  ? lockdep_hardirqs_on+0x296/0x5b0
[  709.695003]  __alloc_skb+0x119/0x770
[  709.698719]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  709.704086]  ? netdev_alloc_frag+0x1f0/0x1f0
[  709.708529]  ? vprintk_default+0x28/0x30
[  709.712609]  ? vprintk_func+0x85/0x181
[  709.716498]  ? printk+0xa7/0xcf
[  709.719791]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  709.724563]  new_skb+0x26/0x1c0
[  709.727841]  aoecmd_cfg+0x279/0x7f0
[  709.731472]  ? find_held_lock+0x36/0x1c0
[  709.735584]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  709.739914]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  709.745462]  ? __lock_is_held+0xb5/0x140
[  709.749535]  discover_timer+0x50/0x60
[  709.753352]  call_timer_fn+0x272/0x920
[  709.757238]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  709.762090]  ? process_timeout+0x40/0x40
[  709.766159]  ? mark_held_locks+0xc7/0x130
[  709.770330]  ? _raw_spin_unlock_irq+0x27/0x80
[  709.774825]  ? _raw_spin_unlock_irq+0x27/0x80
[  709.779321]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  709.784160]  ? lockdep_hardirqs_on+0x296/0x5b0
[  709.788739]  ? trace_hardirqs_on+0xbd/0x310
[  709.793074]  ? kasan_check_read+0x11/0x20
[  709.797218]  ? __run_timers+0x7da/0xc70
[  709.801202]  ? trace_hardirqs_off_caller+0x310/0x310
[  709.806323]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  709.811184]  __run_timers+0x7e5/0xc70
[  709.814994]  ? timer_fixup_init+0x70/0x70
[  709.819155]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  709.824171]  ? zap_class+0x640/0x640
[  709.827884]  ? print_usage_bug+0xc0/0xc0
[  709.831945]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  709.837137]  ? find_held_lock+0x36/0x1c0
[  709.841215]  ? zap_class+0x640/0x640
[  709.844935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  709.850473]  ? check_preemption_disabled+0x48/0x280
[  709.855508]  ? __lock_is_held+0xb5/0x140
[  709.859570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  709.865117]  ? check_preemption_disabled+0x48/0x280
[  709.870152]  run_timer_softirq+0x52/0xb0
[  709.874220]  ? rcu_read_lock_sched_held+0x14f/0x180
[  709.879250]  __do_softirq+0x308/0xb7e
[  709.883054]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  709.887599]  ? lock_downgrade+0x900/0x900
[  709.891753]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  709.896879]  ? pvclock_read_flags+0x160/0x160
[  709.901376]  ? lapic_next_event+0x5a/0x90
[  709.905521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  709.911081]  ? kvm_clock_read+0x18/0x30
[  709.915058]  ? kvm_sched_clock_read+0x9/0x20
[  709.919470]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  709.925009]  ? check_preemption_disabled+0x48/0x280
[  709.930035]  irq_exit+0x17f/0x1c0
[  709.933488]  smp_apic_timer_interrupt+0x1cb/0x760
[  709.938341]  ? smp_call_function_single_interrupt+0x159/0x650
[  709.944238]  ? smp_call_function_single_interrupt+0x650/0x650
[  709.950120]  ? interrupt_entry+0xb5/0xc0
[  709.954189]  ? trace_hardirqs_off_caller+0xbb/0x310
[  709.959203]  ? trace_hardirqs_off_caller+0xbb/0x310
[  709.964447]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  709.969311]  ? trace_hardirqs_on_caller+0x310/0x310
[  709.974341]  ? trace_hardirqs_on_caller+0x310/0x310
[  709.979370]  ? task_prio+0x50/0x50
[  709.982943]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  709.988480]  ? check_preemption_disabled+0x48/0x280
[  709.993515]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  709.998375]  apic_timer_interrupt+0xf/0x20
[  710.002600]  </IRQ>
[  710.004837] RIP: 0010:rcu_is_watching+0x0/0x30
[  710.009448] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
[  710.028345] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  710.036068] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
[  710.043368] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
[  710.050633] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
[  710.057898] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
[  710.065162] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  710.072443]  ? list_lru_count_one+0x253/0x450
[  710.076934]  ? list_lru_count_one+0x35d/0x450
[  710.081433]  ? list_lru_count_one+0x362/0x450
[  710.085942]  ? list_lru_isolate_move+0x3c0/0x3c0
[  710.090696]  ? shmem_free_inode+0xd0/0xd0
[  710.094990]  ? __lock_is_held+0xb5/0x140
[  710.099057]  super_cache_count+0x1b9/0x2e0
[  710.103302]  do_shrink_slab+0x1b1/0xd30
[  710.107285]  ? snapshot_refaults+0x290/0x290
[  710.111700]  ? lock_release+0xa00/0xa00
[  710.115705]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  710.120649]  ? down_read_trylock+0xda/0x140
[  710.124965]  ? shrink_slab+0x207/0x8c0
[  710.128849]  ? downgrade_write+0x270/0x270
[  710.133097]  shrink_slab+0x389/0x8c0
[  710.136812]  ? shrink_active_list+0x1f00/0x1f00
[  710.141491]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  710.147132]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  710.152271]  ? cgroup_procs_write_finish+0xf0/0xf0
[  710.157217]  ? find_held_lock+0x36/0x1c0
[  710.161311]  shrink_node+0x431/0x16b0
[  710.165131]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  710.170432]  ? shrink_node_memcg+0x18f0/0x18f0
[  710.175019]  ? kvm_clock_read+0x18/0x30
[  710.178993]  ? ktime_get+0x2c1/0x400
[  710.182710]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  710.187211]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  710.192753]  ? __cpuset_node_allowed+0x19b/0x660
[  710.197510]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  710.203217]  ? delayacct_end+0x5a/0x100
[  710.207216]  do_try_to_free_pages+0x3e7/0x1290
[  710.211794]  ? zap_class+0x640/0x640
[  710.215525]  ? shrink_node+0x16b0/0x16b0
[  710.219591]  ? __lock_is_held+0xb5/0x140
[  710.223667]  try_to_free_pages+0x4d0/0xb90
[  710.227907]  ? do_try_to_free_pages+0x1290/0x1290
[  710.232766]  ? lock_acquire+0x1ed/0x520
[  710.236738]  ? set_page_refcounted+0x280/0x280
[  710.241336]  ? lock_release+0xa00/0xa00
[  710.245330]  ? _raw_spin_unlock_irq+0x60/0x80
[  710.249825]  ? psi_memstall_enter+0x240/0x2b0
[  710.254339]  ? psi_memstall_tick+0x230/0x230
[  710.258777]  __alloc_pages_slowpath+0xa48/0x2de0
[  710.263568]  ? warn_alloc+0x120/0x120
[  710.267374]  ? mark_held_locks+0x130/0x130
[  710.271617]  ? find_get_entry+0xaae/0x1120
[  710.275864]  ? filemap_map_pages+0x1a20/0x1a20
[  710.280449]  ? zap_class+0x640/0x640
[  710.284173]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  710.289711]  ? check_preemption_disabled+0x48/0x280
[  710.294728]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  710.300265]  ? should_fail+0x22d/0xd01
[  710.304170]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  710.309299]  ? zap_class+0x640/0x640
[  710.313075]  ? __lock_is_held+0xb5/0x140
[  710.317174]  ? mark_held_locks+0x130/0x130
[  710.321433]  ? lock_release+0xa00/0xa00
[  710.325422]  ? perf_trace_sched_process_exec+0x860/0x860
[  710.330886]  ? xa_load+0x2ba/0x460
[  710.334445]  ? lock_downgrade+0x900/0x900
[  710.338608]  ? __might_sleep+0x95/0x190
[  710.342592]  __alloc_pages_nodemask+0xad8/0xea0
[  710.347283]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  710.352318]  ? __page_cache_alloc+0x191/0x5c0
[  710.356815]  ? xa_load+0x2e1/0x460
[  710.360355]  ? xa_clear_mark+0x40/0x40
[  710.364248]  ? zap_class+0x640/0x640
[  710.367968]  ? zap_class+0x640/0x640
[  710.371680]  ? zap_class+0x640/0x640
[  710.375394]  ? __do_page_cache_readahead+0x663/0x810
[  710.380508]  ? find_held_lock+0x36/0x1c0
[  710.384577]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  710.390131]  alloc_pages_current+0x173/0x350
[  710.394561]  __page_cache_alloc+0x38c/0x5c0
[  710.398881]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  710.403820]  ? kasan_check_read+0x11/0x20
[  710.407977]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  710.413300]  ? generic_perform_write+0x6a0/0x6a0
[  710.418055]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  710.423609]  ? check_preemption_disabled+0x48/0x280
[  710.428632]  filemap_fault+0x1595/0x25f0
[  710.432708]  ? __lock_page_or_retry+0xa00/0xa00
[  710.437395]  ? mark_held_locks+0x130/0x130
[  710.441641]  ? filemap_map_pages+0xd6b/0x1a20
[  710.446153]  ? lock_downgrade+0x900/0x900
[  710.450311]  ? check_preemption_disabled+0x48/0x280
[  710.455333]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  710.460264]  ? kasan_check_read+0x11/0x20
[  710.464420]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  710.469702]  ? rcu_softirq_qs+0x20/0x20
[  710.473720]  ? filemap_map_pages+0xd92/0x1a20
[  710.478245]  ? find_get_entries_tag+0x1400/0x1400
[  710.483094]  ? debug_object_destroy+0x2b0/0x2b0
[  710.487773]  ? lock_pi_update_atomic+0x150/0x150
[  710.492547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  710.498133]  ? lock_acquire+0x1ed/0x520
[  710.502124]  ? ext4_filemap_fault+0x7a/0xad
[  710.506485]  ? lock_release+0xa00/0xa00
[  710.510501]  ? perf_trace_sched_process_exec+0x860/0x860
[  710.515956]  ? print_usage_bug+0xc0/0xc0
[  710.520021]  ? print_usage_bug+0xc0/0xc0
[  710.524092]  ? down_read+0x8d/0x120
[  710.527715]  ? ext4_filemap_fault+0x7a/0xad
[  710.532047]  ? __down_interruptible+0x700/0x700
[  710.536738]  ext4_filemap_fault+0x82/0xad
[  710.540895]  __do_fault+0x100/0x6b0
[  710.544563]  ? release_sock+0x1ec/0x2c0
[  710.548540]  ? pmd_devmap_trans_unstable+0x220/0x220
[  710.553651]  ? mark_held_locks+0x130/0x130
[  710.557930]  ? mark_held_locks+0x130/0x130
[  710.562158]  ? lock_sock_nested+0x9a/0x120
[  710.566395]  ? __release_sock+0x3a0/0x3a0
[  710.570545]  ? __local_bh_enable_ip+0x160/0x260
[  710.575222]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  710.580764]  __handle_mm_fault+0x3ea0/0x5be0
[  710.585179]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  710.590039]  ? apparmor_socket_sendmsg+0x29/0x30
[  710.594793]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  710.600334]  ? security_socket_sendmsg+0x94/0xc0
[  710.605094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  710.610645]  ? zap_class+0x640/0x640
[  710.614360]  ? zap_class+0x640/0x640
[  710.618075]  ? __x64_sys_futex+0x53e/0x6a0
[  710.622339]  ? find_held_lock+0x36/0x1c0
[  710.626410]  ? handle_mm_fault+0x42a/0xc70
[  710.630650]  ? lock_downgrade+0x900/0x900
[  710.634803]  ? check_preemption_disabled+0x48/0x280
[  710.639826]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  710.644759]  ? kasan_check_read+0x11/0x20
[  710.648908]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  710.654187]  ? rcu_softirq_qs+0x20/0x20
[  710.658175]  ? trace_hardirqs_off_caller+0x310/0x310
[  710.663302]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  710.668841]  ? check_preemption_disabled+0x48/0x280
[  710.673882]  handle_mm_fault+0x54f/0xc70
[  710.677942]  ? __handle_mm_fault+0x5be0/0x5be0
[  710.682528]  ? find_vma+0x34/0x190
[  710.686079]  __do_page_fault+0x5e8/0xe60
[  710.690140]  ? trace_hardirqs_off+0xb8/0x310
[  710.694553]  ? __ia32_sys_read+0xb0/0xb0
[  710.698630]  do_page_fault+0xf2/0x7e0
[  710.702432]  ? vmalloc_sync_all+0x30/0x30
[  710.706597]  ? error_entry+0x70/0xd0
[  710.710355]  ? trace_hardirqs_off_caller+0xbb/0x310
[  710.715388]  ? trace_hardirqs_on_caller+0xc0/0x310
[  710.720323]  ? syscall_return_slowpath+0x5e0/0x5e0
[  710.725252]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  710.730093]  ? trace_hardirqs_on_caller+0x310/0x310
[  710.735106]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  710.740565]  ? prepare_exit_to_usermode+0x291/0x3b0
[  710.745595]  ? page_fault+0x8/0x30
[  710.749137]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  710.753986]  ? page_fault+0x8/0x30
[  710.757531]  page_fault+0x1e/0x30
[  710.760990] RIP: 0033:0x45ddf3
[  710.764196] Code: Bad RIP value.
[  710.767563] RSP: 002b:000000c420023ea0 EFLAGS: 00010202
[  710.772926] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
[  710.780193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  710.787462] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  710.794726] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  710.801994] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
[  710.809298] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304
[  710.809303] warn_alloc_show_mem: 1 callbacks suppressed
[  710.809310] Mem-Info:
[  710.816582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  710.816591] Call Trace:
[  710.821964] active_anon:59588 inactive_anon:187 isolated_anon:0
[  710.821964]  active_file:13 inactive_file:14 isolated_file:0
[  710.821964]  unevictable:0 dirty:0 writeback:0 unstable:0
[  710.821964]  slab_reclaimable:10147 slab_unreclaimable:1445690
[  710.821964]  mapped:49154 shmem:244 pagetables:690 bounce:0
[  710.821964]  free:13773 free_pcp:174 free_cma:0
[  710.824337]  <IRQ>
[  710.833702] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  710.836285]  dump_stack+0x244/0x39d
[  710.869235] 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
[  710.871383]  ? dump_stack_print_info.cold.1+0x20/0x20
[  710.898852] lowmem_reserve[]: 0 2818 6321 6321
[  710.902498]  warn_alloc.cold.116+0xb7/0x1bd
[  710.928607] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  710.933807]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  710.938391] lowmem_reserve[]: 0 0 3503 3503
[  710.942726]  ? lock_downgrade+0x900/0x900
[  710.970416] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB
[  710.975281]  ? trace_hardirqs_off+0xb8/0x310
[  710.979576] lowmem_reserve[]: 0 0 0 0
[  710.983720]  ? trace_hardirqs_off+0xb8/0x310
[  711.012593] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  711.017005]  __alloc_pages_slowpath+0x2651/0x2de0
[  711.020773] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
[  711.025197]  ? warn_alloc+0x120/0x120
[  711.038671] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  711.043507]  ? print_usage_bug+0xc0/0xc0
[  711.059439] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  711.063225]  ? warn_alloc+0x120/0x120
[  711.076832] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  711.080898]  ? warn_alloc+0x120/0x120
[  711.089706] 271 total pagecache pages
[  711.093497]  ? print_usage_bug+0xc0/0xc0
[  711.102074] 0 pages in swap cache
[  711.105865]  ? kvm_clock_read+0x18/0x30
[  711.109676] Swap cache stats: add 0, delete 0, find 0/0
[  711.113725]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  711.117151] Free swap  = 0kB
[  711.121122]  ? print_usage_bug+0xc0/0xc0
[  711.126461] Total swap = 0kB
[  711.131467]  ? __lock_acquire+0x62f/0x4c20
[  711.134462] 1965979 pages RAM
[  711.138517]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  711.141513] 0 pages HighMem/MovableOnly
[  711.145767]  ? should_fail+0x22d/0xd01
[  711.148844] 342854 pages reserved
[  711.154376]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  711.158323] 0 pages cma reserved
[  711.162202]  ? __lock_acquire+0x62f/0x4c20
[  711.165724] aoe: skb alloc failure
[  711.170744]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  711.174148] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  711.178321]  ? __lock_acquire+0x62f/0x4c20
[  711.181838] syz-fuzzer cpuset=/ mems_allowed=0
[  711.186931]  ? should_fail+0x22d/0xd01
[  711.209820]  ? mark_held_locks+0x130/0x130
[  711.214064]  ? mark_held_locks+0x130/0x130
[  711.218317]  ? zap_class+0x640/0x640
[  711.222032]  ? print_usage_bug+0xc0/0xc0
[  711.226101]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  711.231642]  ? check_preemption_disabled+0x48/0x280
[  711.236669]  ? __lock_is_held+0xb5/0x140
[  711.240751]  __alloc_pages_nodemask+0xad8/0xea0
[  711.245439]  ? zap_class+0x640/0x640
[  711.249159]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  711.254188]  ? find_held_lock+0x36/0x1c0
[  711.258258]  ? ____cache_alloc_node+0x1c7/0x1e0
[  711.262970]  ? lock_downgrade+0x900/0x900
[  711.267126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  711.272665]  cache_grow_begin+0xa5/0x8c0
[  711.276756]  ? do_raw_spin_unlock+0xa7/0x330
[  711.281174]  fallback_alloc+0x204/0x2e0
[  711.285156]  ____cache_alloc_node+0x1c7/0x1e0
[  711.289655]  kmem_cache_alloc_node+0xe3/0x730
[  711.294157]  ? ipv6_get_ifaddr+0x42e/0x620
[  711.298427]  __alloc_skb+0x119/0x770
[  711.302158]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  711.307439]  ? netdev_alloc_frag+0x1f0/0x1f0
[  711.311848]  ? lock_downgrade+0x900/0x900
[  711.316003]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  711.321541]  ? refcount_sub_and_test_checked+0x203/0x310
[  711.326998]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  711.332458]  ? addrconf_rs_timer+0x690/0x690
[  711.336896]  ndisc_alloc_skb+0x144/0x340
[  711.340964]  ndisc_send_rs+0x331/0x6e0
[  711.344863]  addrconf_rs_timer+0x314/0x690
[  711.349108]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  711.353356]  call_timer_fn+0x272/0x920
[  711.357245]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  711.361484]  ? process_timeout+0x40/0x40
[  711.365566]  ? __run_timers+0x7da/0xc70
[  711.369559]  ? _raw_spin_unlock_irq+0x27/0x80
[  711.374061]  ? _raw_spin_unlock_irq+0x27/0x80
[  711.378555]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  711.382823]  ? lockdep_hardirqs_on+0x296/0x5b0
[  711.387411]  ? trace_hardirqs_on+0xbd/0x310
[  711.391738]  ? kasan_check_read+0x11/0x20
[  711.395888]  ? __run_timers+0x7da/0xc70
[  711.399861]  ? trace_hardirqs_off_caller+0x310/0x310
[  711.404976]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  711.409222]  __run_timers+0x7e5/0xc70
[  711.413030]  ? timer_fixup_init+0x70/0x70
[  711.417200]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  711.422217]  ? zap_class+0x640/0x640
[  711.425937]  ? enqueue_hrtimer+0x1a5/0x560
[  711.430176]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  711.435377]  ? find_held_lock+0x36/0x1c0
[  711.439449]  ? zap_class+0x640/0x640
[  711.443168]  ? pvclock_read_flags+0x160/0x160
[  711.447712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  711.453248]  ? check_preemption_disabled+0x48/0x280
[  711.458314]  ? __lock_is_held+0xb5/0x140
[  711.462388]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  711.467928]  ? check_preemption_disabled+0x48/0x280
[  711.472975]  run_timer_softirq+0x52/0xb0
[  711.477035]  ? rcu_read_lock_sched_held+0x14f/0x180
[  711.482065]  __do_softirq+0x308/0xb7e
[  711.485869]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  711.490362]  ? lock_downgrade+0x900/0x900
[  711.494515]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  711.499628]  ? pvclock_read_flags+0x160/0x160
[  711.504125]  ? lapic_next_event+0x5a/0x90
[  711.508298]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  711.513844]  ? kvm_clock_read+0x18/0x30
[  711.517829]  ? kvm_sched_clock_read+0x9/0x20
[  711.522242]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  711.527781]  ? check_preemption_disabled+0x48/0x280
[  711.532808]  irq_exit+0x17f/0x1c0
[  711.536265]  smp_apic_timer_interrupt+0x1cb/0x760
[  711.541118]  ? smp_reschedule_interrupt+0x109/0x650
[  711.546136]  ? smp_call_function_single_interrupt+0x650/0x650
[  711.552025]  ? interrupt_entry+0xb5/0xc0
[  711.556090]  ? trace_hardirqs_off_caller+0xbb/0x310
[  711.561104]  ? trace_hardirqs_off_caller+0xbb/0x310
[  711.566154]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  711.571029]  ? trace_hardirqs_on_caller+0x310/0x310
[  711.576072]  ? trace_hardirqs_on_caller+0x310/0x310
[  711.581101]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  711.585954]  apic_timer_interrupt+0xf/0x20
[  711.590192]  </IRQ>
[  711.592450] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  711.598336] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
[  711.617234] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  711.624943] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  711.632207] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286
[  711.639475] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000
[  711.646741] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40
[  711.654033] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286
[  711.661354]  ? save_stack+0xa9/0xd0
[  711.664993]  __kmalloc_node_track_caller+0x3c/0x70
[  711.669926]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  711.674687]  pskb_expand_head+0x230/0x10f0
[  711.678928]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  711.684398]  ? memcpy+0x45/0x50
[  711.687691]  ? __copy_skb_header+0x350/0x6b0
[  711.692135]  ? skb_release_data+0x880/0x880
[  711.696572]  ? __alloc_skb+0x770/0x770
[  711.700484]  ? __lock_is_held+0xb5/0x140
[  711.704551]  ? kasan_check_write+0x14/0x20
[  711.708815]  ? __skb_clone+0x6c7/0xa00
[  711.712703]  ? __copy_skb_header+0x6b0/0x6b0
[  711.717112]  ? kmem_cache_alloc+0x33a/0x730
[  711.721442]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  711.727017]  skb_ensure_writable+0x3dd/0x640
[  711.731459]  ? skb_checksum_setup+0xaa0/0xaa0
[  711.735974]  ? preempt_notifier_register+0x200/0x200
[  711.741075]  ? __switch_to_asm+0x34/0x70
[  711.745147]  ? __switch_to_asm+0x34/0x70
[  711.749204]  ? __switch_to_asm+0x40/0x70
[  711.753302]  ? __switch_to_asm+0x34/0x70
[  711.757364]  ? __switch_to_asm+0x40/0x70
[  711.761437]  ? __switch_to_asm+0x40/0x70
[  711.765494]  ? __switch_to_asm+0x34/0x70
[  711.769558]  ? __switch_to_asm+0x34/0x70
[  711.773650]  ? __switch_to_asm+0x40/0x70
[  711.777706]  ? __switch_to_asm+0x34/0x70
[  711.781771]  bpf_clone_redirect+0x14a/0x490
[  711.786105]  bpf_prog_12ab75334035c288+0xfcd/0x1000
[  711.791167]  ? __sched_text_start+0x8/0x8
[  711.795320]  ? retint_kernel+0x2d/0x2d
[  711.799219]  ? find_held_lock+0x36/0x1c0
[  711.803314]  ? lock_acquire+0x1ed/0x520
[  711.807308]  ? bpf_test_run+0x3cb/0x780
[  711.811295]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  711.816839]  ? check_preemption_disabled+0x48/0x280
[  711.821864]  ? kasan_check_read+0x11/0x20
[  711.826012]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  711.831320]  ? rcu_softirq_qs+0x20/0x20
[  711.835322]  ? preempt_schedule+0x4d/0x60
[  711.839473]  ? ___preempt_schedule+0x16/0x18
[  711.843893]  ? bpf_test_run+0x25d/0x780
[  711.847882]  ? netlink_diag_dump+0x2a0/0x2a0
[  711.852300]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  711.857837]  ? bpf_test_init.isra.10+0x70/0x100
[  711.862526]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  711.867301]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  711.872150]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  711.877691]  ? fput+0x130/0x1a0
[  711.880973]  ? __bpf_prog_get+0x9b/0x290
[  711.885068]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  711.889911]  ? bpf_prog_test_run+0x130/0x1a0
[  711.894330]  ? __x64_sys_bpf+0x3d8/0x520
[  711.898393]  ? bpf_prog_get+0x20/0x20
[  711.902213]  ? do_syscall_64+0x1b9/0x820
[  711.906270]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  711.911655]  ? syscall_return_slowpath+0x5e0/0x5e0
[  711.916636]  ? trace_hardirqs_on_caller+0x310/0x310
[  711.921666]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  711.926683]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  711.933359]  ? __switch_to_asm+0x40/0x70
[  711.937420]  ? __switch_to_asm+0x34/0x70
[  711.941490]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  711.946343]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  711.951737] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
[  711.951822] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  711.958773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  711.958779] Call Trace:
[  711.958786]  <IRQ>
[  711.958803]  dump_stack+0x244/0x39d
[  711.958823]  ? dump_stack_print_info.cold.1+0x20/0x20
[  711.965555] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  711.974830]  warn_alloc.cold.116+0xb7/0x1bd
[  711.977385] syz-executor3 cpuset=syz3 mems_allowed=0
[  711.979530]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  712.013007]  ? lock_downgrade+0x900/0x900
[  712.017169]  ? trace_hardirqs_off+0xb8/0x310
[  712.021630]  ? trace_hardirqs_off+0xb8/0x310
[  712.026048]  __alloc_pages_slowpath+0x2651/0x2de0
[  712.030919]  ? warn_alloc+0x120/0x120
[  712.034722]  ? warn_alloc+0x120/0x120
[  712.038542]  ? warn_alloc+0x120/0x120
[  712.042370]  ? print_usage_bug+0xc0/0xc0
[  712.046436]  ? print_usage_bug+0xc0/0xc0
[  712.050497]  ? ktime_get+0x2c1/0x400
[  712.054218]  ? check_preemption_disabled+0x48/0x280
[  712.059231]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  712.063735]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  712.069313]  ? should_fail+0x22d/0xd01
[  712.073204]  ? kasan_check_read+0x11/0x20
[  712.077373]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  712.082477]  ? __lock_acquire+0x62f/0x4c20
[  712.086718]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  712.091816]  ? should_fail+0x22d/0xd01
[  712.095912]  ? print_usage_bug+0xc0/0xc0
[  712.099983]  ? mark_held_locks+0x130/0x130
[  712.104225]  ? mark_held_locks+0x130/0x130
[  712.108462]  ? check_preemption_disabled+0x48/0x280
[  712.113486]  ? zap_class+0x640/0x640
[  712.117235]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  712.121995]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  712.127536]  ? check_preemption_disabled+0x48/0x280
[  712.132572]  ? __lock_is_held+0xb5/0x140
[  712.136641]  __alloc_pages_nodemask+0xad8/0xea0
[  712.141316]  ? zap_class+0x640/0x640
[  712.145038]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  712.150101]  ? find_held_lock+0x36/0x1c0
[  712.154172]  ? ____cache_alloc_node+0x1c7/0x1e0
[  712.158852]  ? lock_downgrade+0x900/0x900
[  712.163007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  712.168554]  cache_grow_begin+0xa5/0x8c0
[  712.172615]  ? do_raw_spin_unlock+0xa7/0x330
[  712.177033]  fallback_alloc+0x204/0x2e0
[  712.181011]  ____cache_alloc_node+0x1c7/0x1e0
[  712.185513]  kmem_cache_alloc_node+0xe3/0x730
[  712.190009]  ? lockdep_hardirqs_on+0x296/0x5b0
[  712.194629]  __alloc_skb+0x119/0x770
[  712.198343]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  712.203714]  ? netdev_alloc_frag+0x1f0/0x1f0
[  712.208147]  ? vprintk_default+0x28/0x30
[  712.212208]  ? vprintk_func+0x85/0x181
[  712.216094]  ? printk+0xa7/0xcf
[  712.219371]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  712.224141]  new_skb+0x26/0x1c0
[  712.227425]  aoecmd_cfg+0x279/0x7f0
[  712.231061]  ? find_held_lock+0x36/0x1c0
[  712.235129]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  712.239464]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  712.245015]  ? __lock_is_held+0xb5/0x140
[  712.249103]  discover_timer+0x50/0x60
[  712.252916]  call_timer_fn+0x272/0x920
[  712.256802]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  712.261656]  ? process_timeout+0x40/0x40
[  712.265771]  ? mark_held_locks+0xc7/0x130
[  712.269930]  ? _raw_spin_unlock_irq+0x27/0x80
[  712.274426]  ? _raw_spin_unlock_irq+0x27/0x80
[  712.278933]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  712.283774]  ? lockdep_hardirqs_on+0x296/0x5b0
[  712.288359]  ? trace_hardirqs_on+0xbd/0x310
[  712.292678]  ? kasan_check_read+0x11/0x20
[  712.296825]  ? __run_timers+0x7da/0xc70
[  712.300802]  ? trace_hardirqs_off_caller+0x310/0x310
[  712.305916]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  712.310757]  __run_timers+0x7e5/0xc70
[  712.314577]  ? timer_fixup_init+0x70/0x70
[  712.318732]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  712.323752]  ? zap_class+0x640/0x640
[  712.327483]  ? print_usage_bug+0xc0/0xc0
[  712.331556]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  712.336777]  ? find_held_lock+0x36/0x1c0
[  712.340855]  ? zap_class+0x640/0x640
[  712.344598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  712.350135]  ? check_preemption_disabled+0x48/0x280
[  712.355162]  ? __lock_is_held+0xb5/0x140
[  712.359230]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  712.364770]  ? check_preemption_disabled+0x48/0x280
[  712.369793]  run_timer_softirq+0x52/0xb0
[  712.373855]  ? rcu_read_lock_sched_held+0x14f/0x180
[  712.378879]  __do_softirq+0x308/0xb7e
[  712.382683]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  712.387178]  ? lock_downgrade+0x900/0x900
[  712.391332]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  712.396445]  ? pvclock_read_flags+0x160/0x160
[  712.400941]  ? lapic_next_event+0x5a/0x90
[  712.405134]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  712.410678]  ? kvm_clock_read+0x18/0x30
[  712.414654]  ? kvm_sched_clock_read+0x9/0x20
[  712.419063]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  712.424609]  ? check_preemption_disabled+0x48/0x280
[  712.429633]  irq_exit+0x17f/0x1c0
[  712.433100]  smp_apic_timer_interrupt+0x1cb/0x760
[  712.437939]  ? smp_call_function_single_interrupt+0x159/0x650
[  712.443826]  ? smp_call_function_single_interrupt+0x650/0x650
[  712.449708]  ? interrupt_entry+0xb5/0xc0
[  712.453771]  ? trace_hardirqs_off_caller+0xbb/0x310
[  712.458792]  ? trace_hardirqs_off_caller+0xbb/0x310
[  712.463815]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  712.468657]  ? trace_hardirqs_on_caller+0x310/0x310
[  712.473694]  ? trace_hardirqs_on_caller+0x310/0x310
[  712.478709]  ? task_prio+0x50/0x50
[  712.482252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  712.487797]  ? check_preemption_disabled+0x48/0x280
[  712.492820]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  712.497683]  apic_timer_interrupt+0xf/0x20
[  712.501914]  </IRQ>
[  712.504185] RIP: 0010:rcu_is_watching+0x0/0x30
[  712.508772] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
[  712.527697] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  712.535424] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
[  712.542692] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
[  712.549957] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
[  712.557241] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
[  712.564508] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  712.571801]  ? list_lru_count_one+0x253/0x450
[  712.576303]  ? list_lru_count_one+0x35d/0x450
[  712.580805]  ? list_lru_count_one+0x362/0x450
[  712.585307]  ? list_lru_isolate_move+0x3c0/0x3c0
[  712.590066]  ? shmem_free_inode+0xd0/0xd0
[  712.594218]  ? __lock_is_held+0xb5/0x140
[  712.598296]  super_cache_count+0x1b9/0x2e0
[  712.602540]  do_shrink_slab+0x1b1/0xd30
[  712.606535]  ? snapshot_refaults+0x290/0x290
[  712.610953]  ? lock_release+0xa00/0xa00
[  712.614938]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  712.619878]  ? down_read_trylock+0xda/0x140
[  712.624201]  ? shrink_slab+0x207/0x8c0
[  712.628088]  ? downgrade_write+0x270/0x270
[  712.632333]  shrink_slab+0x389/0x8c0
[  712.636047]  ? shrink_active_list+0x1f00/0x1f00
[  712.640725]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  712.646353]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  712.651464]  ? cgroup_procs_write_finish+0xf0/0xf0
[  712.656398]  ? find_held_lock+0x36/0x1c0
[  712.660468]  shrink_node+0x431/0x16b0
[  712.664269]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  712.669589]  ? shrink_node_memcg+0x18f0/0x18f0
[  712.674194]  ? kvm_clock_read+0x18/0x30
[  712.678179]  ? ktime_get+0x2c1/0x400
[  712.681901]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  712.686423]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  712.692003]  ? __cpuset_node_allowed+0x19b/0x660
[  712.696764]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  712.702476]  ? delayacct_end+0x5a/0x100
[  712.706459]  do_try_to_free_pages+0x3e7/0x1290
[  712.711043]  ? zap_class+0x640/0x640
[  712.714779]  ? shrink_node+0x16b0/0x16b0
[  712.718841]  ? __lock_is_held+0xb5/0x140
[  712.722932]  try_to_free_pages+0x4d0/0xb90
[  712.727175]  ? do_try_to_free_pages+0x1290/0x1290
[  712.732036]  ? lock_acquire+0x1ed/0x520
[  712.736015]  ? set_page_refcounted+0x280/0x280
[  712.740605]  ? lock_release+0xa00/0xa00
[  712.744589]  ? _raw_spin_unlock_irq+0x60/0x80
[  712.749089]  ? psi_memstall_enter+0x240/0x2b0
[  712.753587]  ? psi_memstall_tick+0x230/0x230
[  712.758012]  __alloc_pages_slowpath+0xa48/0x2de0
[  712.762802]  ? warn_alloc+0x120/0x120
[  712.766603]  ? mark_held_locks+0x130/0x130
[  712.770843]  ? find_get_entry+0xaae/0x1120
[  712.775091]  ? filemap_map_pages+0x1a20/0x1a20
[  712.779679]  ? zap_class+0x640/0x640
[  712.783399]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  712.788941]  ? check_preemption_disabled+0x48/0x280
[  712.793957]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  712.799495]  ? should_fail+0x22d/0xd01
[  712.803391]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  712.808495]  ? zap_class+0x640/0x640
[  712.812252]  ? __lock_is_held+0xb5/0x140
[  712.816325]  ? mark_held_locks+0x130/0x130
[  712.820567]  ? lock_release+0xa00/0xa00
[  712.824543]  ? perf_trace_sched_process_exec+0x860/0x860
[  712.829996]  ? xa_load+0x2ba/0x460
[  712.833539]  ? lock_downgrade+0x900/0x900
[  712.837709]  ? __might_sleep+0x95/0x190
[  712.841688]  __alloc_pages_nodemask+0xad8/0xea0
[  712.846367]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  712.851386]  ? __page_cache_alloc+0x191/0x5c0
[  712.855876]  ? xa_load+0x2e1/0x460
[  712.859430]  ? xa_clear_mark+0x40/0x40
[  712.863335]  ? zap_class+0x640/0x640
[  712.867075]  ? zap_class+0x640/0x640
[  712.870801]  ? zap_class+0x640/0x640
[  712.874517]  ? __do_page_cache_readahead+0x663/0x810
[  712.879631]  ? find_held_lock+0x36/0x1c0
[  712.883707]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  712.889251]  alloc_pages_current+0x173/0x350
[  712.893682]  __page_cache_alloc+0x38c/0x5c0
[  712.897999]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  712.902928]  ? kasan_check_read+0x11/0x20
[  712.907101]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  712.912383]  ? generic_perform_write+0x6a0/0x6a0
[  712.917146]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  712.922684]  ? check_preemption_disabled+0x48/0x280
[  712.927719]  filemap_fault+0x1595/0x25f0
[  712.931804]  ? __lock_page_or_retry+0xa00/0xa00
[  712.936482]  ? mark_held_locks+0x130/0x130
[  712.940732]  ? filemap_map_pages+0xd6b/0x1a20
[  712.945232]  ? lock_downgrade+0x900/0x900
[  712.949383]  ? check_preemption_disabled+0x48/0x280
[  712.954402]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  712.959332]  ? kasan_check_read+0x11/0x20
[  712.963477]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  712.968755]  ? rcu_softirq_qs+0x20/0x20
[  712.972743]  ? filemap_map_pages+0xd92/0x1a20
[  712.977251]  ? find_get_entries_tag+0x1400/0x1400
[  712.982102]  ? debug_object_destroy+0x2b0/0x2b0
[  712.986772]  ? lock_pi_update_atomic+0x150/0x150
[  712.991530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  712.997088]  ? lock_acquire+0x1ed/0x520
[  713.001061]  ? ext4_filemap_fault+0x7a/0xad
[  713.005389]  ? lock_release+0xa00/0xa00
[  713.009365]  ? perf_trace_sched_process_exec+0x860/0x860
[  713.014815]  ? print_usage_bug+0xc0/0xc0
[  713.018882]  ? print_usage_bug+0xc0/0xc0
[  713.022956]  ? down_read+0x8d/0x120
[  713.026583]  ? ext4_filemap_fault+0x7a/0xad
[  713.030906]  ? __down_interruptible+0x700/0x700
[  713.035586]  ext4_filemap_fault+0x82/0xad
[  713.039737]  __do_fault+0x100/0x6b0
[  713.043365]  ? release_sock+0x1ec/0x2c0
[  713.047341]  ? pmd_devmap_trans_unstable+0x220/0x220
[  713.052449]  ? mark_held_locks+0x130/0x130
[  713.056690]  ? mark_held_locks+0x130/0x130
[  713.060920]  ? lock_sock_nested+0x9a/0x120
[  713.065159]  ? __release_sock+0x3a0/0x3a0
[  713.069313]  ? __local_bh_enable_ip+0x160/0x260
[  713.073986]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  713.079528]  __handle_mm_fault+0x3ea0/0x5be0
[  713.083948]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  713.088794]  ? apparmor_socket_sendmsg+0x29/0x30
[  713.093558]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  713.099101]  ? security_socket_sendmsg+0x94/0xc0
[  713.103863]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  713.109417]  ? zap_class+0x640/0x640
[  713.113133]  ? zap_class+0x640/0x640
[  713.116846]  ? __x64_sys_futex+0x53e/0x6a0
[  713.121087]  ? find_held_lock+0x36/0x1c0
[  713.125159]  ? handle_mm_fault+0x42a/0xc70
[  713.129404]  ? lock_downgrade+0x900/0x900
[  713.133734]  ? check_preemption_disabled+0x48/0x280
[  713.138759]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  713.143694]  ? kasan_check_read+0x11/0x20
[  713.147841]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  713.153118]  ? rcu_softirq_qs+0x20/0x20
[  713.157108]  ? trace_hardirqs_off_caller+0x310/0x310
[  713.162214]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  713.167770]  ? check_preemption_disabled+0x48/0x280
[  713.172793]  handle_mm_fault+0x54f/0xc70
[  713.176864]  ? __handle_mm_fault+0x5be0/0x5be0
[  713.181452]  ? find_vma+0x34/0x190
[  713.184998]  __do_page_fault+0x5e8/0xe60
[  713.189059]  ? trace_hardirqs_off+0xb8/0x310
[  713.193471]  ? __ia32_sys_read+0xb0/0xb0
[  713.197547]  do_page_fault+0xf2/0x7e0
[  713.201360]  ? vmalloc_sync_all+0x30/0x30
[  713.205509]  ? error_entry+0x70/0xd0
[  713.209269]  ? trace_hardirqs_off_caller+0xbb/0x310
[  713.214315]  ? trace_hardirqs_on_caller+0xc0/0x310
[  713.219259]  ? syscall_return_slowpath+0x5e0/0x5e0
[  713.224238]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  713.229083]  ? trace_hardirqs_on_caller+0x310/0x310
[  713.234098]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  713.239562]  ? prepare_exit_to_usermode+0x291/0x3b0
[  713.244610]  ? page_fault+0x8/0x30
[  713.248154]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  713.253051]  ? page_fault+0x8/0x30
[  713.256590]  page_fault+0x1e/0x30
[  713.260484] RIP: 0033:0x45ddf3
[  713.263689] Code: Bad RIP value.
[  713.267049] RSP: 002b:000000c420023ea0 EFLAGS: 00010202
[  713.272409] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
[  713.279674] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  713.286983] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  713.294299] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  713.301568] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
[  713.308863] warn_alloc_show_mem: 1 callbacks suppressed
[  713.308875] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304
[  713.308877] Mem-Info:
[  713.308908] active_anon:59588 inactive_anon:187 isolated_anon:0
[  713.308908]  active_file:13 inactive_file:14 isolated_file:0
[  713.308908]  unevictable:0 dirty:0 writeback:0 unstable:0
[  713.308908]  slab_reclaimable:10147 slab_unreclaimable:1445690
[  713.308908]  mapped:49154 shmem:244 pagetables:690 bounce:0
[  713.308908]  free:13773 free_pcp:174 free_cma:0
[  713.314247] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  713.321522] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  713.323924] Call Trace:
[  713.356876] 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
[  713.366219]  <IRQ>
[  713.393786] lowmem_reserve[]: 0 2818 6321 6321
[  713.396398]  dump_stack+0x244/0x39d
[  713.422478] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  713.424630]  ? dump_stack_print_info.cold.1+0x20/0x20
[  713.429181] lowmem_reserve[]: 0 0 3503 3503
[  713.432816]  warn_alloc.cold.116+0xb7/0x1bd
[  713.460278] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB
[  713.465468]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  713.469762] lowmem_reserve[]: 0 0 0 0
[  713.474088]  ? lock_downgrade+0x900/0x900
[  713.502952] 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
[  713.507801]  ? trace_hardirqs_off+0xb8/0x310
[  713.511569] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
[  713.515714]  ? trace_hardirqs_off+0xb8/0x310
[  713.529212] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  713.533628]  __alloc_pages_slowpath+0x2651/0x2de0
[  713.549564] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  713.553994]  ? warn_alloc+0x120/0x120
[  713.567561] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  713.572385]  ? print_usage_bug+0xc0/0xc0
[  713.581210] 271 total pagecache pages
[  713.585005]  ? warn_alloc+0x120/0x120
[  713.593566] 0 pages in swap cache
[  713.597627]  ? warn_alloc+0x120/0x120
[  713.601421] Swap cache stats: add 0, delete 0, find 0/0
[  713.605239]  ? print_usage_bug+0xc0/0xc0
[  713.608666] Free swap  = 0kB
[  713.612462]  ? kvm_clock_read+0x18/0x30
[  713.617797] Total swap = 0kB
[  713.621853]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  713.624847] 1965979 pages RAM
[  713.628814]  ? print_usage_bug+0xc0/0xc0
[  713.631821] 0 pages HighMem/MovableOnly
[  713.636833]  ? __lock_acquire+0x62f/0x4c20
[  713.639916] 342854 pages reserved
[  713.643973]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  713.647919] 0 pages cma reserved
[  713.652150]  ? should_fail+0x22d/0xd01
[  713.655635] aoe: skb alloc failure
[  713.661097]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  713.661115]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  713.664557] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  713.668370]  ? __lock_acquire+0x62f/0x4c20
[  713.671890] syz-fuzzer cpuset=/ mems_allowed=0
[  713.677155]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  713.706337]  ? __lock_acquire+0x62f/0x4c20
[  713.710571]  ? should_fail+0x22d/0xd01
[  713.714457]  ? rcu_irq_exit+0x1a2/0x390
[  713.718441]  ? mark_held_locks+0x130/0x130
[  713.722680]  ? mark_held_locks+0x130/0x130
[  713.726937]  ? mark_held_locks+0xc7/0x130
[  713.731084]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  713.736096]  ? zap_class+0x640/0x640
[  713.739806]  ? print_usage_bug+0xc0/0xc0
[  713.743878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  713.749415]  ? check_preemption_disabled+0x48/0x280
[  713.754443]  ? __lock_is_held+0xb5/0x140
[  713.758514]  __alloc_pages_nodemask+0xad8/0xea0
[  713.763196]  ? zap_class+0x640/0x640
[  713.766916]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  713.771950]  ? find_held_lock+0x36/0x1c0
[  713.776020]  ? ____cache_alloc_node+0x1c7/0x1e0
[  713.780696]  ? lock_downgrade+0x900/0x900
[  713.784867]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  713.790408]  cache_grow_begin+0xa5/0x8c0
[  713.794469]  ? do_raw_spin_unlock+0xa7/0x330
[  713.798890]  fallback_alloc+0x204/0x2e0
[  713.802870]  ____cache_alloc_node+0x1c7/0x1e0
[  713.807375]  kmem_cache_alloc_node+0xe3/0x730
[  713.811870]  ? ipv6_get_ifaddr+0x42e/0x620
[  713.816117]  __alloc_skb+0x119/0x770
[  713.819836]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  713.825135]  ? netdev_alloc_frag+0x1f0/0x1f0
[  713.829546]  ? lock_downgrade+0x900/0x900
[  713.833702]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  713.839236]  ? refcount_sub_and_test_checked+0x203/0x310
[  713.844699]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  713.850147]  ? addrconf_rs_timer+0x690/0x690
[  713.854593]  ndisc_alloc_skb+0x144/0x340
[  713.858689]  ndisc_send_rs+0x331/0x6e0
[  713.862613]  addrconf_rs_timer+0x314/0x690
[  713.866856]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  713.871096]  call_timer_fn+0x272/0x920
[  713.874981]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  713.879214]  ? process_timeout+0x40/0x40
[  713.883303]  ? __run_timers+0x7da/0xc70
[  713.887304]  ? _raw_spin_unlock_irq+0x27/0x80
[  713.891829]  ? _raw_spin_unlock_irq+0x27/0x80
[  713.896335]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  713.900575]  ? lockdep_hardirqs_on+0x296/0x5b0
[  713.905160]  ? trace_hardirqs_on+0xbd/0x310
[  713.909482]  ? kasan_check_read+0x11/0x20
[  713.913632]  ? __run_timers+0x7da/0xc70
[  713.917609]  ? trace_hardirqs_off_caller+0x310/0x310
[  713.922735]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  713.926977]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  713.931213]  __run_timers+0x7e5/0xc70
[  713.935023]  ? timer_fixup_init+0x70/0x70
[  713.939207]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  713.944227]  ? zap_class+0x640/0x640
[  713.947945]  ? enqueue_hrtimer+0x1a5/0x560
[  713.952185]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  713.957382]  ? find_held_lock+0x36/0x1c0
[  713.961449]  ? zap_class+0x640/0x640
[  713.965322]  ? pvclock_read_flags+0x160/0x160
[  713.969825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  713.975365]  ? check_preemption_disabled+0x48/0x280
[  713.980393]  ? __lock_is_held+0xb5/0x140
[  713.984456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  713.990000]  ? check_preemption_disabled+0x48/0x280
[  713.995022]  run_timer_softirq+0x52/0xb0
[  713.999090]  ? rcu_read_lock_sched_held+0x14f/0x180
[  714.004143]  __do_softirq+0x308/0xb7e
[  714.007952]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  714.012480]  ? lock_downgrade+0x900/0x900
[  714.016631]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  714.021746]  ? pvclock_read_flags+0x160/0x160
[  714.026245]  ? lapic_next_event+0x5a/0x90
[  714.030394]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  714.035938]  ? kvm_clock_read+0x18/0x30
[  714.039913]  ? kvm_sched_clock_read+0x9/0x20
[  714.044331]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  714.049868]  ? check_preemption_disabled+0x48/0x280
[  714.054896]  irq_exit+0x17f/0x1c0
[  714.058354]  smp_apic_timer_interrupt+0x1cb/0x760
[  714.063199]  ? smp_reschedule_interrupt+0x109/0x650
[  714.068216]  ? smp_call_function_single_interrupt+0x650/0x650
[  714.074101]  ? interrupt_entry+0xb5/0xc0
[  714.078167]  ? trace_hardirqs_off_caller+0xbb/0x310
[  714.083181]  ? trace_hardirqs_off_caller+0xbb/0x310
[  714.088196]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  714.093058]  ? trace_hardirqs_on_caller+0x310/0x310
[  714.098541]  ? trace_hardirqs_on_caller+0x310/0x310
[  714.103573]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  714.108430]  apic_timer_interrupt+0xf/0x20
[  714.112684]  </IRQ>
[  714.114946] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  714.120859] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
[  714.139759] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  714.147470] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  714.154739] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286
[  714.162024] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000
[  714.169301] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40
[  714.176573] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286
[  714.183878]  ? save_stack+0xa9/0xd0
[  714.187519]  __kmalloc_node_track_caller+0x3c/0x70
[  714.192455]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  714.197215]  pskb_expand_head+0x230/0x10f0
[  714.201454]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  714.206904]  ? memcpy+0x45/0x50
[  714.210187]  ? __copy_skb_header+0x350/0x6b0
[  714.214614]  ? skb_release_data+0x880/0x880
[  714.218936]  ? __alloc_skb+0x770/0x770
[  714.222834]  ? __lock_is_held+0xb5/0x140
[  714.226905]  ? kasan_check_write+0x14/0x20
[  714.231140]  ? __skb_clone+0x6c7/0xa00
[  714.235030]  ? __copy_skb_header+0x6b0/0x6b0
[  714.239439]  ? kmem_cache_alloc+0x33a/0x730
[  714.243773]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  714.249337]  skb_ensure_writable+0x3dd/0x640
[  714.253750]  ? skb_checksum_setup+0xaa0/0xaa0
[  714.258248]  ? preempt_notifier_register+0x200/0x200
[  714.263351]  ? __switch_to_asm+0x34/0x70
[  714.267415]  ? __switch_to_asm+0x34/0x70
[  714.271470]  ? __switch_to_asm+0x40/0x70
[  714.275526]  ? __switch_to_asm+0x34/0x70
[  714.279583]  ? __switch_to_asm+0x40/0x70
[  714.283645]  ? __switch_to_asm+0x40/0x70
[  714.287720]  ? __switch_to_asm+0x34/0x70
[  714.291825]  ? __switch_to_asm+0x34/0x70
[  714.295886]  ? __switch_to_asm+0x40/0x70
[  714.299942]  ? __switch_to_asm+0x34/0x70
[  714.304034]  bpf_clone_redirect+0x14a/0x490
[  714.308373]  bpf_prog_12ab75334035c288+0xfcd/0x1000
[  714.313403]  ? __sched_text_start+0x8/0x8
[  714.317552]  ? retint_kernel+0x2d/0x2d
[  714.321466]  ? find_held_lock+0x36/0x1c0
[  714.325538]  ? lock_acquire+0x1ed/0x520
[  714.329517]  ? bpf_test_run+0x3cb/0x780
[  714.333494]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  714.339034]  ? check_preemption_disabled+0x48/0x280
[  714.344098]  ? kasan_check_read+0x11/0x20
[  714.348253]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  714.353531]  ? rcu_softirq_qs+0x20/0x20
[  714.357515]  ? preempt_schedule+0x4d/0x60
[  714.361684]  ? ___preempt_schedule+0x16/0x18
[  714.366104]  ? bpf_test_run+0x25d/0x780
[  714.370095]  ? netlink_diag_dump+0x2a0/0x2a0
[  714.374507]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  714.380088]  ? bpf_test_init.isra.10+0x70/0x100
[  714.384781]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  714.389565]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  714.394427]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  714.399966]  ? fput+0x130/0x1a0
[  714.403253]  ? __bpf_prog_get+0x9b/0x290
[  714.407357]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  714.412200]  ? bpf_prog_test_run+0x130/0x1a0
[  714.416631]  ? __x64_sys_bpf+0x3d8/0x520
[  714.420693]  ? bpf_prog_get+0x20/0x20
[  714.424516]  ? do_syscall_64+0x1b9/0x820
[  714.428580]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  714.433951]  ? syscall_return_slowpath+0x5e0/0x5e0
[  714.438891]  ? trace_hardirqs_on_caller+0x310/0x310
[  714.443913]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  714.448929]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  714.455595]  ? __switch_to_asm+0x40/0x70
[  714.459656]  ? __switch_to_asm+0x34/0x70
[  714.463723]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  714.468576]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  714.473969] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
[  714.474033] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  714.481008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  714.481017] Call Trace:
[  714.487686] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  714.496853]  <IRQ>
[  714.499430] syz-executor3 cpuset=syz3 mems_allowed=0
[  714.509909]  dump_stack+0x244/0x39d
[  714.520755]  ? dump_stack_print_info.cold.1+0x20/0x20
[  714.526007]  warn_alloc.cold.116+0xb7/0x1bd
[  714.530350]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  714.535200]  ? lock_downgrade+0x900/0x900
[  714.539368]  ? trace_hardirqs_off+0xb8/0x310
[  714.543786]  ? trace_hardirqs_off+0xb8/0x310
[  714.548209]  __alloc_pages_slowpath+0x2651/0x2de0
[  714.553088]  ? warn_alloc+0x120/0x120
[  714.556896]  ? warn_alloc+0x120/0x120
[  714.560700]  ? warn_alloc+0x120/0x120
[  714.564502]  ? print_usage_bug+0xc0/0xc0
[  714.568574]  ? print_usage_bug+0xc0/0xc0
[  714.572648]  ? ktime_get+0x2c1/0x400
[  714.576390]  ? check_preemption_disabled+0x48/0x280
[  714.581404]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  714.585934]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  714.591503]  ? should_fail+0x22d/0xd01
[  714.595393]  ? kasan_check_read+0x11/0x20
[  714.599548]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  714.604661]  ? __lock_acquire+0x62f/0x4c20
[  714.608904]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  714.614034]  ? should_fail+0x22d/0xd01
[  714.617918]  ? print_usage_bug+0xc0/0xc0
[  714.622005]  ? mark_held_locks+0x130/0x130
[  714.626245]  ? mark_held_locks+0x130/0x130
[  714.630487]  ? check_preemption_disabled+0x48/0x280
[  714.635513]  ? zap_class+0x640/0x640
[  714.639232]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  714.643989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  714.649529]  ? check_preemption_disabled+0x48/0x280
[  714.654585]  ? __lock_is_held+0xb5/0x140
[  714.658658]  __alloc_pages_nodemask+0xad8/0xea0
[  714.663331]  ? zap_class+0x640/0x640
[  714.667063]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  714.672099]  ? find_held_lock+0x36/0x1c0
[  714.676187]  ? ____cache_alloc_node+0x1c7/0x1e0
[  714.680857]  ? lock_downgrade+0x900/0x900
[  714.685015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  714.690593]  cache_grow_begin+0xa5/0x8c0
[  714.694655]  ? do_raw_spin_unlock+0xa7/0x330
[  714.699070]  fallback_alloc+0x204/0x2e0
[  714.703053]  ____cache_alloc_node+0x1c7/0x1e0
[  714.707564]  kmem_cache_alloc_node+0xe3/0x730
[  714.712057]  ? lockdep_hardirqs_on+0x296/0x5b0
[  714.716649]  __alloc_skb+0x119/0x770
[  714.720366]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  714.725733]  ? netdev_alloc_frag+0x1f0/0x1f0
[  714.730150]  ? vprintk_default+0x28/0x30
[  714.734210]  ? vprintk_func+0x85/0x181
[  714.738096]  ? printk+0xa7/0xcf
[  714.741372]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  714.746140]  new_skb+0x26/0x1c0
[  714.749465]  aoecmd_cfg+0x279/0x7f0
[  714.753106]  ? find_held_lock+0x36/0x1c0
[  714.757181]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  714.761854]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  714.767402]  ? __lock_is_held+0xb5/0x140
[  714.771474]  discover_timer+0x50/0x60
[  714.775272]  call_timer_fn+0x272/0x920
[  714.779179]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  714.784053]  ? process_timeout+0x40/0x40
[  714.788120]  ? mark_held_locks+0xc7/0x130
[  714.792271]  ? _raw_spin_unlock_irq+0x27/0x80
[  714.796773]  ? _raw_spin_unlock_irq+0x27/0x80
[  714.801268]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  714.806122]  ? lockdep_hardirqs_on+0x296/0x5b0
[  714.810710]  ? trace_hardirqs_on+0xbd/0x310
[  714.815035]  ? kasan_check_read+0x11/0x20
[  714.819184]  ? __run_timers+0x7da/0xc70
[  714.823163]  ? trace_hardirqs_off_caller+0x310/0x310
[  714.828284]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  714.833138]  __run_timers+0x7e5/0xc70
[  714.836948]  ? timer_fixup_init+0x70/0x70
[  714.841102]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  714.846119]  ? zap_class+0x640/0x640
[  714.849837]  ? print_usage_bug+0xc0/0xc0
[  714.853900]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  714.859097]  ? find_held_lock+0x36/0x1c0
[  714.863164]  ? zap_class+0x640/0x640
[  714.866889]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  714.872427]  ? check_preemption_disabled+0x48/0x280
[  714.877455]  ? __lock_is_held+0xb5/0x140
[  714.881520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  714.887063]  ? check_preemption_disabled+0x48/0x280
[  714.892090]  run_timer_softirq+0x52/0xb0
[  714.896156]  ? rcu_read_lock_sched_held+0x14f/0x180
[  714.901176]  __do_softirq+0x308/0xb7e
[  714.904984]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  714.909479]  ? lock_downgrade+0x900/0x900
[  714.913634]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  714.918747]  ? pvclock_read_flags+0x160/0x160
[  714.923249]  ? lapic_next_event+0x5a/0x90
[  714.927402]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  714.932948]  ? kvm_clock_read+0x18/0x30
[  714.936924]  ? kvm_sched_clock_read+0x9/0x20
[  714.941339]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  714.946879]  ? check_preemption_disabled+0x48/0x280
[  714.951906]  irq_exit+0x17f/0x1c0
[  714.955365]  smp_apic_timer_interrupt+0x1cb/0x760
[  714.960209]  ? smp_call_function_single_interrupt+0x159/0x650
[  714.966093]  ? smp_call_function_single_interrupt+0x650/0x650
[  714.971978]  ? interrupt_entry+0xb5/0xc0
[  714.976054]  ? trace_hardirqs_off_caller+0xbb/0x310
[  714.981102]  ? trace_hardirqs_off_caller+0xbb/0x310
[  714.986122]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  714.990967]  ? trace_hardirqs_on_caller+0x310/0x310
[  714.995984]  ? trace_hardirqs_on_caller+0x310/0x310
[  715.001033]  ? task_prio+0x50/0x50
[  715.004582]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  715.010122]  ? check_preemption_disabled+0x48/0x280
[  715.015159]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  715.020011]  apic_timer_interrupt+0xf/0x20
[  715.024237]  </IRQ>
[  715.026487] RIP: 0010:rcu_is_watching+0x0/0x30
[  715.031096] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
[  715.050254] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  715.057968] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
[  715.065234] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
[  715.072501] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
[  715.079772] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
[  715.087040] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  715.094348]  ? list_lru_count_one+0x253/0x450
[  715.098846]  ? list_lru_count_one+0x35d/0x450
[  715.103353]  ? list_lru_count_one+0x362/0x450
[  715.107870]  ? list_lru_isolate_move+0x3c0/0x3c0
[  715.112627]  ? shmem_free_inode+0xd0/0xd0
[  715.116808]  ? __lock_is_held+0xb5/0x140
[  715.120872]  super_cache_count+0x1b9/0x2e0
[  715.125108]  do_shrink_slab+0x1b1/0xd30
[  715.129092]  ? snapshot_refaults+0x290/0x290
[  715.133502]  ? lock_release+0xa00/0xa00
[  715.137486]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  715.142431]  ? down_read_trylock+0xda/0x140
[  715.147271]  ? shrink_slab+0x207/0x8c0
[  715.151168]  ? downgrade_write+0x270/0x270
[  715.155413]  shrink_slab+0x389/0x8c0
[  715.159130]  ? shrink_active_list+0x1f00/0x1f00
[  715.163807]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  715.169472]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  715.174599]  ? cgroup_procs_write_finish+0xf0/0xf0
[  715.179537]  ? find_held_lock+0x36/0x1c0
[  715.183615]  shrink_node+0x431/0x16b0
[  715.187433]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  715.192739]  ? shrink_node_memcg+0x18f0/0x18f0
[  715.197333]  ? kvm_clock_read+0x18/0x30
[  715.201319]  ? ktime_get+0x2c1/0x400
[  715.205037]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  715.209539]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  715.215085]  ? __cpuset_node_allowed+0x19b/0x660
[  715.219849]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  715.225571]  ? delayacct_end+0x5a/0x100
[  715.229562]  do_try_to_free_pages+0x3e7/0x1290
[  715.234146]  ? zap_class+0x640/0x640
[  715.237875]  ? shrink_node+0x16b0/0x16b0
[  715.241943]  ? __lock_is_held+0xb5/0x140
[  715.246033]  try_to_free_pages+0x4d0/0xb90
[  715.250278]  ? do_try_to_free_pages+0x1290/0x1290
[  715.255158]  ? lock_acquire+0x1ed/0x520
[  715.259131]  ? set_page_refcounted+0x280/0x280
[  715.263733]  ? lock_release+0xa00/0xa00
[  715.267706]  ? _raw_spin_unlock_irq+0x60/0x80
[  715.272194]  ? psi_memstall_enter+0x240/0x2b0
[  715.276687]  ? psi_memstall_tick+0x230/0x230
[  715.281104]  __alloc_pages_slowpath+0xa48/0x2de0
[  715.285891]  ? warn_alloc+0x120/0x120
[  715.289690]  ? mark_held_locks+0x130/0x130
[  715.293933]  ? find_get_entry+0xaae/0x1120
[  715.298179]  ? filemap_map_pages+0x1a20/0x1a20
[  715.302765]  ? zap_class+0x640/0x640
[  715.306485]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  715.312027]  ? check_preemption_disabled+0x48/0x280
[  715.317047]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  715.322585]  ? should_fail+0x22d/0xd01
[  715.326476]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  715.331588]  ? zap_class+0x640/0x640
[  715.335340]  ? __lock_is_held+0xb5/0x140
[  715.339414]  ? mark_held_locks+0x130/0x130
[  715.343652]  ? lock_release+0xa00/0xa00
[  715.347634]  ? perf_trace_sched_process_exec+0x860/0x860
[  715.353085]  ? xa_load+0x2ba/0x460
[  715.356628]  ? lock_downgrade+0x900/0x900
[  715.360785]  ? __might_sleep+0x95/0x190
[  715.364768]  __alloc_pages_nodemask+0xad8/0xea0
[  715.369445]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  715.374479]  ? __page_cache_alloc+0x191/0x5c0
[  715.378970]  ? xa_load+0x2e1/0x460
[  715.382512]  ? xa_clear_mark+0x40/0x40
[  715.386403]  ? zap_class+0x640/0x640
[  715.390128]  ? zap_class+0x640/0x640
[  715.393842]  ? zap_class+0x640/0x640
[  715.397574]  ? __do_page_cache_readahead+0x663/0x810
[  715.402682]  ? find_held_lock+0x36/0x1c0
[  715.406752]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  715.412305]  alloc_pages_current+0x173/0x350
[  715.416723]  __page_cache_alloc+0x38c/0x5c0
[  715.421044]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  715.425984]  ? kasan_check_read+0x11/0x20
[  715.430134]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  715.435444]  ? generic_perform_write+0x6a0/0x6a0
[  715.440209]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  715.445764]  ? check_preemption_disabled+0x48/0x280
[  715.450794]  filemap_fault+0x1595/0x25f0
[  715.454872]  ? __lock_page_or_retry+0xa00/0xa00
[  715.459544]  ? mark_held_locks+0x130/0x130
[  715.463797]  ? filemap_map_pages+0xd6b/0x1a20
[  715.468335]  ? lock_downgrade+0x900/0x900
[  715.472511]  ? check_preemption_disabled+0x48/0x280
[  715.477530]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  715.482468]  ? kasan_check_read+0x11/0x20
[  715.486614]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  715.491889]  ? rcu_softirq_qs+0x20/0x20
[  715.495889]  ? filemap_map_pages+0xd92/0x1a20
[  715.500399]  ? find_get_entries_tag+0x1400/0x1400
[  715.505249]  ? debug_object_destroy+0x2b0/0x2b0
[  715.509921]  ? lock_pi_update_atomic+0x150/0x150
[  715.514679]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  715.520407]  ? lock_acquire+0x1ed/0x520
[  715.524381]  ? ext4_filemap_fault+0x7a/0xad
[  715.528744]  ? lock_release+0xa00/0xa00
[  715.532731]  ? perf_trace_sched_process_exec+0x860/0x860
[  715.538183]  ? print_usage_bug+0xc0/0xc0
[  715.542245]  ? print_usage_bug+0xc0/0xc0
[  715.546362]  ? down_read+0x8d/0x120
[  715.549991]  ? ext4_filemap_fault+0x7a/0xad
[  715.554323]  ? __down_interruptible+0x700/0x700
[  715.559005]  ext4_filemap_fault+0x82/0xad
[  715.563168]  __do_fault+0x100/0x6b0
[  715.566795]  ? release_sock+0x1ec/0x2c0
[  715.570773]  ? pmd_devmap_trans_unstable+0x220/0x220
[  715.575880]  ? mark_held_locks+0x130/0x130
[  715.580116]  ? mark_held_locks+0x130/0x130
[  715.584350]  ? lock_sock_nested+0x9a/0x120
[  715.588587]  ? __release_sock+0x3a0/0x3a0
[  715.592738]  ? __local_bh_enable_ip+0x160/0x260
[  715.597413]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  715.602955]  __handle_mm_fault+0x3ea0/0x5be0
[  715.607400]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  715.612241]  ? apparmor_socket_sendmsg+0x29/0x30
[  715.617022]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  715.622580]  ? security_socket_sendmsg+0x94/0xc0
[  715.627351]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  715.632906]  ? zap_class+0x640/0x640
[  715.636621]  ? zap_class+0x640/0x640
[  715.640354]  ? __x64_sys_futex+0x53e/0x6a0
[  715.644592]  ? find_held_lock+0x36/0x1c0
[  715.648661]  ? handle_mm_fault+0x42a/0xc70
[  715.652897]  ? lock_downgrade+0x900/0x900
[  715.657044]  ? check_preemption_disabled+0x48/0x280
[  715.662080]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  715.667016]  ? kasan_check_read+0x11/0x20
[  715.671183]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  715.676476]  ? rcu_softirq_qs+0x20/0x20
[  715.680456]  ? trace_hardirqs_off_caller+0x310/0x310
[  715.685568]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  715.691110]  ? check_preemption_disabled+0x48/0x280
[  715.696139]  handle_mm_fault+0x54f/0xc70
[  715.700207]  ? __handle_mm_fault+0x5be0/0x5be0
[  715.704796]  ? find_vma+0x34/0x190
[  715.708342]  __do_page_fault+0x5e8/0xe60
[  715.712406]  ? trace_hardirqs_off+0xb8/0x310
[  715.716829]  ? __ia32_sys_read+0xb0/0xb0
[  715.720900]  do_page_fault+0xf2/0x7e0
[  715.724705]  ? vmalloc_sync_all+0x30/0x30
[  715.728854]  ? error_entry+0x70/0xd0
[  715.732571]  ? trace_hardirqs_off_caller+0xbb/0x310
[  715.737585]  ? trace_hardirqs_on_caller+0xc0/0x310
[  715.742516]  ? syscall_return_slowpath+0x5e0/0x5e0
[  715.747445]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  715.752321]  ? trace_hardirqs_on_caller+0x310/0x310
[  715.757351]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  715.762819]  ? prepare_exit_to_usermode+0x291/0x3b0
[  715.767839]  ? page_fault+0x8/0x30
[  715.771382]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  715.776245]  ? page_fault+0x8/0x30
[  715.779782]  page_fault+0x1e/0x30
[  715.783250] RIP: 0033:0x45ddf3
[  715.786457] Code: Bad RIP value.
[  715.789818] RSP: 002b:000000c420023ea0 EFLAGS: 00010202
[  715.795182] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
[  715.802464] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  715.809729] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  715.816993] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  715.824257] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
[  715.831570] warn_alloc_show_mem: 1 callbacks suppressed
[  715.831582] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304
[  715.831583] Mem-Info:
[  715.831613] active_anon:59588 inactive_anon:187 isolated_anon:0
[  715.831613]  active_file:13 inactive_file:14 isolated_file:0
[  715.831613]  unevictable:0 dirty:0 writeback:0 unstable:0
[  715.831613]  slab_reclaimable:10147 slab_unreclaimable:1445690
[  715.831613]  mapped:49154 shmem:244 pagetables:690 bounce:0
[  715.831613]  free:13773 free_pcp:174 free_cma:0
[  715.836954] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  715.844231] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  715.846630] Call Trace:
[  715.879583] 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
[  715.888926]  <IRQ>
[  715.916398] lowmem_reserve[]: 0 2818 6321 6321
[  715.918991]  dump_stack+0x244/0x39d
[  715.945089] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  715.947258]  ? dump_stack_print_info.cold.1+0x20/0x20
[  715.951813] lowmem_reserve[]: 0 0 3503 3503
[  715.955449]  warn_alloc.cold.116+0xb7/0x1bd
[  715.983201] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB
[  715.988407]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  715.992696] lowmem_reserve[]: 0 0 0 0
[  715.997014]  ? lock_downgrade+0x900/0x900
[  716.025879] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  716.030723]  ? trace_hardirqs_off+0xb8/0x310
[  716.034497] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
[  716.038638]  ? trace_hardirqs_off+0xb8/0x310
[  716.052135] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  716.056544]  __alloc_pages_slowpath+0x2651/0x2de0
[  716.072479] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  716.076898]  ? warn_alloc+0x120/0x120
[  716.090468] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  716.095765]  ? print_usage_bug+0xc0/0xc0
[  716.104584] 271 total pagecache pages
[  716.108379]  ? warn_alloc+0x120/0x120
[  716.116942] 0 pages in swap cache
[  716.120996]  ? warn_alloc+0x120/0x120
[  716.124774] Swap cache stats: add 0, delete 0, find 0/0
[  716.128568]  ? print_usage_bug+0xc0/0xc0
[  716.131998] Free swap  = 0kB
[  716.135791]  ? kvm_clock_read+0x18/0x30
[  716.141127] Total swap = 0kB
[  716.145183]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  716.148181] 1965979 pages RAM
[  716.152146]  ? print_usage_bug+0xc0/0xc0
[  716.155149] 0 pages HighMem/MovableOnly
[  716.160161]  ? __lock_acquire+0x62f/0x4c20
[  716.163273] 342854 pages reserved
[  716.167337]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  716.171286] 0 pages cma reserved
[  716.175536]  ? should_fail+0x22d/0xd01
[  716.179021] aoe: skb alloc failure
[  716.184490]  ? __lock_acquire+0x62f/0x4c20
[  716.184507]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  716.184524]  ? __lock_acquire+0x62f/0x4c20
[  716.187922] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  716.191766]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  716.195283] syz-fuzzer cpuset=/ mems_allowed=0
[  716.199511]  ? __lock_acquire+0x62f/0x4c20
[  716.199541]  ? should_fail+0x22d/0xd01
[  716.236830]  ? mark_held_locks+0x130/0x130
[  716.241075]  ? mark_held_locks+0x130/0x130
[  716.245337]  ? mark_held_locks+0xc7/0x130
[  716.249486]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  716.254519]  ? zap_class+0x640/0x640
[  716.258233]  ? print_usage_bug+0xc0/0xc0
[  716.262331]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  716.267879]  ? check_preemption_disabled+0x48/0x280
[  716.272906]  ? __lock_is_held+0xb5/0x140
[  716.276978]  __alloc_pages_nodemask+0xad8/0xea0
[  716.281651]  ? zap_class+0x640/0x640
[  716.285369]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  716.290394]  ? find_held_lock+0x36/0x1c0
[  716.294480]  ? ____cache_alloc_node+0x1c7/0x1e0
[  716.299183]  ? lock_downgrade+0x900/0x900
[  716.303338]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  716.308969]  cache_grow_begin+0xa5/0x8c0
[  716.313029]  ? do_raw_spin_unlock+0xa7/0x330
[  716.317481]  fallback_alloc+0x204/0x2e0
[  716.321463]  ____cache_alloc_node+0x1c7/0x1e0
[  716.325966]  kmem_cache_alloc_node+0xe3/0x730
[  716.330462]  ? ipv6_get_ifaddr+0x42e/0x620
[  716.334727]  __alloc_skb+0x119/0x770
[  716.338439]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  716.343740]  ? netdev_alloc_frag+0x1f0/0x1f0
[  716.348150]  ? lock_downgrade+0x900/0x900
[  716.352315]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  716.357873]  ? refcount_sub_and_test_checked+0x203/0x310
[  716.363328]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  716.368784]  ? addrconf_rs_timer+0x690/0x690
[  716.373204]  ndisc_alloc_skb+0x144/0x340
[  716.377271]  ndisc_send_rs+0x331/0x6e0
[  716.381173]  addrconf_rs_timer+0x314/0x690
[  716.385413]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  716.389661]  call_timer_fn+0x272/0x920
[  716.393549]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  716.397784]  ? process_timeout+0x40/0x40
[  716.401857]  ? __run_timers+0x7da/0xc70
[  716.405833]  ? _raw_spin_unlock_irq+0x27/0x80
[  716.410344]  ? _raw_spin_unlock_irq+0x27/0x80
[  716.414855]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  716.419093]  ? lockdep_hardirqs_on+0x296/0x5b0
[  716.423681]  ? trace_hardirqs_on+0xbd/0x310
[  716.428006]  ? kasan_check_read+0x11/0x20
[  716.432151]  ? __run_timers+0x7da/0xc70
[  716.436123]  ? trace_hardirqs_off_caller+0x310/0x310
[  716.441238]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  716.445474]  __run_timers+0x7e5/0xc70
[  716.449287]  ? timer_fixup_init+0x70/0x70
[  716.453447]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  716.458464]  ? zap_class+0x640/0x640
[  716.462180]  ? enqueue_hrtimer+0x1a5/0x560
[  716.466419]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  716.471619]  ? find_held_lock+0x36/0x1c0
[  716.475683]  ? zap_class+0x640/0x640
[  716.479416]  ? pvclock_read_flags+0x160/0x160
[  716.483918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  716.489475]  ? check_preemption_disabled+0x48/0x280
[  716.494506]  ? __lock_is_held+0xb5/0x140
[  716.498570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  716.504113]  ? check_preemption_disabled+0x48/0x280
[  716.509152]  run_timer_softirq+0x52/0xb0
[  716.513214]  ? rcu_read_lock_sched_held+0x14f/0x180
[  716.518233]  __do_softirq+0x308/0xb7e
[  716.522047]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  716.526546]  ? lock_downgrade+0x900/0x900
[  716.530703]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  716.535817]  ? pvclock_read_flags+0x160/0x160
[  716.540319]  ? lapic_next_event+0x5a/0x90
[  716.544474]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  716.550020]  ? kvm_clock_read+0x18/0x30
[  716.553997]  ? kvm_sched_clock_read+0x9/0x20
[  716.558408]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  716.563948]  ? check_preemption_disabled+0x48/0x280
[  716.568973]  irq_exit+0x17f/0x1c0
[  716.572429]  smp_apic_timer_interrupt+0x1cb/0x760
[  716.577275]  ? smp_reschedule_interrupt+0x109/0x650
[  716.582314]  ? smp_call_function_single_interrupt+0x650/0x650
[  716.588214]  ? interrupt_entry+0xb5/0xc0
[  716.592300]  ? trace_hardirqs_off_caller+0xbb/0x310
[  716.597356]  ? trace_hardirqs_off_caller+0xbb/0x310
[  716.602374]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  716.607232]  ? trace_hardirqs_on_caller+0x310/0x310
[  716.612252]  ? trace_hardirqs_on_caller+0x310/0x310
[  716.617283]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  716.622143]  apic_timer_interrupt+0xf/0x20
[  716.626373]  </IRQ>
[  716.628614] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  716.634504] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
[  716.653417] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  716.661122] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  716.668392] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286
[  716.675660] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000
[  716.682929] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40
[  716.690193] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286
[  716.697493]  ? save_stack+0xa9/0xd0
[  716.701132]  __kmalloc_node_track_caller+0x3c/0x70
[  716.706074]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  716.710842]  pskb_expand_head+0x230/0x10f0
[  716.715109]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  716.720563]  ? memcpy+0x45/0x50
[  716.723862]  ? __copy_skb_header+0x350/0x6b0
[  716.728271]  ? skb_release_data+0x880/0x880
[  716.732603]  ? __alloc_skb+0x770/0x770
[  716.736501]  ? __lock_is_held+0xb5/0x140
[  716.740567]  ? kasan_check_write+0x14/0x20
[  716.744802]  ? __skb_clone+0x6c7/0xa00
[  716.748691]  ? __copy_skb_header+0x6b0/0x6b0
[  716.753126]  ? kmem_cache_alloc+0x33a/0x730
[  716.757448]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  716.763004]  skb_ensure_writable+0x3dd/0x640
[  716.767449]  ? skb_checksum_setup+0xaa0/0xaa0
[  716.771950]  ? preempt_notifier_register+0x200/0x200
[  716.777058]  ? __switch_to_asm+0x34/0x70
[  716.781130]  ? __switch_to_asm+0x34/0x70
[  716.785189]  ? __switch_to_asm+0x40/0x70
[  716.789245]  ? __switch_to_asm+0x34/0x70
[  716.793328]  ? __switch_to_asm+0x40/0x70
[  716.797405]  ? __switch_to_asm+0x40/0x70
[  716.801465]  ? __switch_to_asm+0x34/0x70
[  716.805551]  ? __switch_to_asm+0x34/0x70
[  716.809614]  ? __switch_to_asm+0x40/0x70
[  716.813675]  ? __switch_to_asm+0x34/0x70
[  716.817744]  bpf_clone_redirect+0x14a/0x490
[  716.822086]  bpf_prog_12ab75334035c288+0xfcd/0x1000
[  716.827137]  ? __sched_text_start+0x8/0x8
[  716.831285]  ? retint_kernel+0x2d/0x2d
[  716.835192]  ? find_held_lock+0x36/0x1c0
[  716.839259]  ? lock_acquire+0x1ed/0x520
[  716.843243]  ? bpf_test_run+0x3cb/0x780
[  716.847235]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  716.852784]  ? check_preemption_disabled+0x48/0x280
[  716.857809]  ? kasan_check_read+0x11/0x20
[  716.861955]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  716.867243]  ? rcu_softirq_qs+0x20/0x20
[  716.871256]  ? preempt_schedule+0x4d/0x60
[  716.875412]  ? ___preempt_schedule+0x16/0x18
[  716.879830]  ? bpf_test_run+0x25d/0x780
[  716.883821]  ? netlink_diag_dump+0x2a0/0x2a0
[  716.888233]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  716.893774]  ? bpf_test_init.isra.10+0x70/0x100
[  716.898453]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  716.903237]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  716.908078]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  716.913613]  ? fput+0x130/0x1a0
[  716.916913]  ? __bpf_prog_get+0x9b/0x290
[  716.920994]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  716.925842]  ? bpf_prog_test_run+0x130/0x1a0
[  716.930272]  ? __x64_sys_bpf+0x3d8/0x520
[  716.934358]  ? bpf_prog_get+0x20/0x20
[  716.938210]  ? do_syscall_64+0x1b9/0x820
[  716.942795]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  716.948163]  ? syscall_return_slowpath+0x5e0/0x5e0
[  716.953097]  ? trace_hardirqs_on_caller+0x310/0x310
[  716.958113]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  716.963143]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  716.969830]  ? __switch_to_asm+0x40/0x70
[  716.973908]  ? __switch_to_asm+0x34/0x70
[  716.977982]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  716.982835]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  716.988218] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
[  716.988287] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  716.995235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  716.995240] Call Trace:
[  716.995246]  <IRQ>
[  716.995262]  dump_stack+0x244/0x39d
[  716.995280]  ? dump_stack_print_info.cold.1+0x20/0x20
[  717.001811] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  717.011111]  warn_alloc.cold.116+0xb7/0x1bd
[  717.013664] syz-executor3 cpuset=syz3 mems_allowed=0
[  717.015819]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  717.049325]  ? lock_downgrade+0x900/0x900
[  717.053487]  ? trace_hardirqs_off+0xb8/0x310
[  717.057914]  ? trace_hardirqs_off+0xb8/0x310
[  717.062333]  __alloc_pages_slowpath+0x2651/0x2de0
[  717.067204]  ? warn_alloc+0x120/0x120
[  717.071011]  ? warn_alloc+0x120/0x120
[  717.074830]  ? __lock_acquire+0x62f/0x4c20
[  717.079064]  ? warn_alloc+0x120/0x120
[  717.082898]  ? print_usage_bug+0xc0/0xc0
[  717.086981]  ? print_usage_bug+0xc0/0xc0
[  717.091061]  ? mark_held_locks+0x130/0x130
[  717.095312]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  717.100854]  ? should_fail+0x22d/0xd01
[  717.104740]  ? zap_class+0x640/0x640
[  717.108462]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  717.113586]  ? __lock_acquire+0x62f/0x4c20
[  717.117854]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  717.122958]  ? should_fail+0x22d/0xd01
[  717.126875]  ? mark_held_locks+0x130/0x130
[  717.131130]  ? mark_held_locks+0x130/0x130
[  717.135393]  ? lock_downgrade+0x900/0x900
[  717.139564]  ? zap_class+0x640/0x640
[  717.143282]  ? zap_class+0x640/0x640
[  717.147019]  ? zap_class+0x640/0x640
[  717.150733]  ? do_raw_spin_unlock+0xa7/0x330
[  717.155146]  ? trace_hardirqs_on+0x310/0x310
[  717.159562]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  717.165101]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  717.170637]  ? check_preemption_disabled+0x48/0x280
[  717.175664]  ? __lock_is_held+0xb5/0x140
[  717.179732]  __alloc_pages_nodemask+0xad8/0xea0
[  717.184419]  ? zap_class+0x640/0x640
[  717.188137]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  717.193169]  ? find_held_lock+0x36/0x1c0
[  717.197242]  ? ____cache_alloc_node+0x1c7/0x1e0
[  717.201915]  ? lock_downgrade+0x900/0x900
[  717.206088]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  717.211647]  cache_grow_begin+0xa5/0x8c0
[  717.215708]  ? do_raw_spin_unlock+0xa7/0x330
[  717.220122]  fallback_alloc+0x204/0x2e0
[  717.224104]  ____cache_alloc_node+0x1c7/0x1e0
[  717.228611]  kmem_cache_alloc_node+0xe3/0x730
[  717.233106]  ? lockdep_hardirqs_on+0x296/0x5b0
[  717.237699]  __alloc_skb+0x119/0x770
[  717.241415]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  717.246811]  ? netdev_alloc_frag+0x1f0/0x1f0
[  717.251260]  ? vprintk_default+0x28/0x30
[  717.255329]  ? vprintk_func+0x85/0x181
[  717.259216]  ? printk+0xa7/0xcf
[  717.262494]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  717.267263]  new_skb+0x26/0x1c0
[  717.270561]  aoecmd_cfg+0x279/0x7f0
[  717.274192]  ? find_held_lock+0x36/0x1c0
[  717.278285]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  717.282639]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  717.288202]  ? __lock_is_held+0xb5/0x140
[  717.292281]  discover_timer+0x50/0x60
[  717.296088]  call_timer_fn+0x272/0x920
[  717.299974]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  717.304815]  ? process_timeout+0x40/0x40
[  717.308891]  ? mark_held_locks+0xc7/0x130
[  717.313041]  ? _raw_spin_unlock_irq+0x27/0x80
[  717.317557]  ? _raw_spin_unlock_irq+0x27/0x80
[  717.322051]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  717.326893]  ? lockdep_hardirqs_on+0x296/0x5b0
[  717.331477]  ? trace_hardirqs_on+0xbd/0x310
[  717.335798]  ? kasan_check_read+0x11/0x20
[  717.339945]  ? __run_timers+0x7da/0xc70
[  717.343924]  ? trace_hardirqs_off_caller+0x310/0x310
[  717.349042]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  717.353886]  __run_timers+0x7e5/0xc70
[  717.357707]  ? timer_fixup_init+0x70/0x70
[  717.361887]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  717.366907]  ? zap_class+0x640/0x640
[  717.370628]  ? print_usage_bug+0xc0/0xc0
[  717.374692]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  717.379891]  ? find_held_lock+0x36/0x1c0
[  717.383962]  ? zap_class+0x640/0x640
[  717.387680]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  717.393231]  ? check_preemption_disabled+0x48/0x280
[  717.398271]  ? __lock_is_held+0xb5/0x140
[  717.402349]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  717.407885]  ? check_preemption_disabled+0x48/0x280
[  717.412905]  run_timer_softirq+0x52/0xb0
[  717.416966]  ? rcu_read_lock_sched_held+0x14f/0x180
[  717.421983]  __do_softirq+0x308/0xb7e
[  717.425791]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  717.430284]  ? lock_downgrade+0x900/0x900
[  717.434451]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  717.439571]  ? pvclock_read_flags+0x160/0x160
[  717.444070]  ? lapic_next_event+0x5a/0x90
[  717.448224]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  717.453766]  ? kvm_clock_read+0x18/0x30
[  717.457743]  ? kvm_sched_clock_read+0x9/0x20
[  717.462156]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  717.467710]  ? check_preemption_disabled+0x48/0x280
[  717.472998]  irq_exit+0x17f/0x1c0
[  717.476453]  smp_apic_timer_interrupt+0x1cb/0x760
[  717.481303]  ? smp_call_function_single_interrupt+0x159/0x650
[  717.487193]  ? smp_call_function_single_interrupt+0x650/0x650
[  717.493079]  ? interrupt_entry+0xb5/0xc0
[  717.497143]  ? trace_hardirqs_off_caller+0xbb/0x310
[  717.502161]  ? trace_hardirqs_off_caller+0xbb/0x310
[  717.507179]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  717.512021]  ? trace_hardirqs_on_caller+0x310/0x310
[  717.517038]  ? trace_hardirqs_on_caller+0x310/0x310
[  717.522052]  ? task_prio+0x50/0x50
[  717.525616]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  717.531178]  ? check_preemption_disabled+0x48/0x280
[  717.536202]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  717.541054]  apic_timer_interrupt+0xf/0x20
[  717.545284]  </IRQ>
[  717.547532] RIP: 0010:rcu_is_watching+0x0/0x30
[  717.552118] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
[  717.571018] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  717.578728] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
[  717.585993] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
[  717.593265] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
[  717.600538] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
[  717.607812] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  717.615140]  ? list_lru_count_one+0x253/0x450
[  717.619636]  ? list_lru_count_one+0x35d/0x450
[  717.624143]  ? list_lru_count_one+0x362/0x450
[  717.628639]  ? list_lru_isolate_move+0x3c0/0x3c0
[  717.633414]  ? shmem_free_inode+0xd0/0xd0
[  717.637570]  ? __lock_is_held+0xb5/0x140
[  717.641640]  super_cache_count+0x1b9/0x2e0
[  717.645880]  do_shrink_slab+0x1b1/0xd30
[  717.649868]  ? snapshot_refaults+0x290/0x290
[  717.654281]  ? lock_release+0xa00/0xa00
[  717.658273]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  717.663225]  ? down_read_trylock+0xda/0x140
[  717.667542]  ? shrink_slab+0x207/0x8c0
[  717.671452]  ? downgrade_write+0x270/0x270
[  717.675711]  shrink_slab+0x389/0x8c0
[  717.679423]  ? shrink_active_list+0x1f00/0x1f00
[  717.684104]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  717.689771]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  717.694887]  ? cgroup_procs_write_finish+0xf0/0xf0
[  717.699825]  ? find_held_lock+0x36/0x1c0
[  717.703912]  shrink_node+0x431/0x16b0
[  717.707732]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  717.713034]  ? shrink_node_memcg+0x18f0/0x18f0
[  717.717641]  ? kvm_clock_read+0x18/0x30
[  717.721618]  ? ktime_get+0x2c1/0x400
[  717.725342]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  717.729840]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  717.735382]  ? __cpuset_node_allowed+0x19b/0x660
[  717.740140]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  717.745857]  ? delayacct_end+0x5a/0x100
[  717.749846]  do_try_to_free_pages+0x3e7/0x1290
[  717.754433]  ? zap_class+0x640/0x640
[  717.758163]  ? shrink_node+0x16b0/0x16b0
[  717.762229]  ? __lock_is_held+0xb5/0x140
[  717.766312]  try_to_free_pages+0x4d0/0xb90
[  717.770558]  ? do_try_to_free_pages+0x1290/0x1290
[  717.775413]  ? lock_acquire+0x1ed/0x520
[  717.779386]  ? set_page_refcounted+0x280/0x280
[  717.783979]  ? lock_release+0xa00/0xa00
[  717.787958]  ? _raw_spin_unlock_irq+0x60/0x80
[  717.792457]  ? psi_memstall_enter+0x240/0x2b0
[  717.796952]  ? psi_memstall_tick+0x230/0x230
[  717.801377]  __alloc_pages_slowpath+0xa48/0x2de0
[  717.806164]  ? warn_alloc+0x120/0x120
[  717.809966]  ? mark_held_locks+0x130/0x130
[  717.814211]  ? find_get_entry+0xaae/0x1120
[  717.818455]  ? filemap_map_pages+0x1a20/0x1a20
[  717.823042]  ? zap_class+0x640/0x640
[  717.826764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  717.832311]  ? check_preemption_disabled+0x48/0x280
[  717.837336]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  717.842873]  ? should_fail+0x22d/0xd01
[  717.846771]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  717.851876]  ? zap_class+0x640/0x640
[  717.855617]  ? __lock_is_held+0xb5/0x140
[  717.859947]  ? mark_held_locks+0x130/0x130
[  717.864279]  ? lock_release+0xa00/0xa00
[  717.868263]  ? perf_trace_sched_process_exec+0x860/0x860
[  717.873717]  ? xa_load+0x2ba/0x460
[  717.877257]  ? lock_downgrade+0x900/0x900
[  717.881416]  ? __might_sleep+0x95/0x190
[  717.885438]  __alloc_pages_nodemask+0xad8/0xea0
[  717.890119]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  717.895140]  ? __page_cache_alloc+0x191/0x5c0
[  717.899647]  ? xa_load+0x2e1/0x460
[  717.903185]  ? xa_clear_mark+0x40/0x40
[  717.907103]  ? zap_class+0x640/0x640
[  717.910824]  ? zap_class+0x640/0x640
[  717.914540]  ? zap_class+0x640/0x640
[  717.918264]  ? __do_page_cache_readahead+0x663/0x810
[  717.923379]  ? find_held_lock+0x36/0x1c0
[  717.927448]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  717.933000]  alloc_pages_current+0x173/0x350
[  717.937434]  __page_cache_alloc+0x38c/0x5c0
[  717.941758]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  717.946687]  ? kasan_check_read+0x11/0x20
[  717.950837]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  717.956117]  ? generic_perform_write+0x6a0/0x6a0
[  717.960879]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  717.966611]  ? check_preemption_disabled+0x48/0x280
[  717.971638]  filemap_fault+0x1595/0x25f0
[  717.975720]  ? __lock_page_or_retry+0xa00/0xa00
[  717.980409]  ? mark_held_locks+0x130/0x130
[  717.984669]  ? filemap_map_pages+0xd6b/0x1a20
[  717.989168]  ? lock_downgrade+0x900/0x900
[  717.993330]  ? check_preemption_disabled+0x48/0x280
[  717.998348]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  718.003276]  ? kasan_check_read+0x11/0x20
[  718.007432]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  718.012711]  ? rcu_softirq_qs+0x20/0x20
[  718.016704]  ? filemap_map_pages+0xd92/0x1a20
[  718.021227]  ? find_get_entries_tag+0x1400/0x1400
[  718.026088]  ? debug_object_destroy+0x2b0/0x2b0
[  718.030759]  ? lock_pi_update_atomic+0x150/0x150
[  718.035518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  718.041100]  ? lock_acquire+0x1ed/0x520
[  718.045075]  ? ext4_filemap_fault+0x7a/0xad
[  718.049408]  ? lock_release+0xa00/0xa00
[  718.053384]  ? perf_trace_sched_process_exec+0x860/0x860
[  718.058836]  ? print_usage_bug+0xc0/0xc0
[  718.062899]  ? print_usage_bug+0xc0/0xc0
[  718.066975]  ? down_read+0x8d/0x120
[  718.070602]  ? ext4_filemap_fault+0x7a/0xad
[  718.074926]  ? __down_interruptible+0x700/0x700
[  718.079603]  ext4_filemap_fault+0x82/0xad
[  718.083758]  __do_fault+0x100/0x6b0
[  718.087383]  ? release_sock+0x1ec/0x2c0
[  718.091361]  ? pmd_devmap_trans_unstable+0x220/0x220
[  718.096616]  ? mark_held_locks+0x130/0x130
[  718.100864]  ? mark_held_locks+0x130/0x130
[  718.105096]  ? lock_sock_nested+0x9a/0x120
[  718.109344]  ? __release_sock+0x3a0/0x3a0
[  718.113492]  ? __local_bh_enable_ip+0x160/0x260
[  718.118164]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  718.123705]  __handle_mm_fault+0x3ea0/0x5be0
[  718.128134]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  718.132972]  ? apparmor_socket_sendmsg+0x29/0x30
[  718.137771]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  718.143331]  ? security_socket_sendmsg+0x94/0xc0
[  718.148102]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  718.153649]  ? zap_class+0x640/0x640
[  718.157363]  ? zap_class+0x640/0x640
[  718.161090]  ? __x64_sys_futex+0x53e/0x6a0
[  718.165334]  ? find_held_lock+0x36/0x1c0
[  718.169410]  ? handle_mm_fault+0x42a/0xc70
[  718.173645]  ? lock_downgrade+0x900/0x900
[  718.177811]  ? check_preemption_disabled+0x48/0x280
[  718.182857]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  718.187791]  ? kasan_check_read+0x11/0x20
[  718.191935]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  718.197214]  ? rcu_softirq_qs+0x20/0x20
[  718.201189]  ? trace_hardirqs_off_caller+0x310/0x310
[  718.206300]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  718.211895]  ? check_preemption_disabled+0x48/0x280
[  718.216918]  handle_mm_fault+0x54f/0xc70
[  718.220984]  ? __handle_mm_fault+0x5be0/0x5be0
[  718.225577]  ? find_vma+0x34/0x190
[  718.229138]  __do_page_fault+0x5e8/0xe60
[  718.233197]  ? trace_hardirqs_off+0xb8/0x310
[  718.237607]  ? __ia32_sys_read+0xb0/0xb0
[  718.241696]  do_page_fault+0xf2/0x7e0
[  718.245493]  ? vmalloc_sync_all+0x30/0x30
[  718.249670]  ? error_entry+0x70/0xd0
[  718.253387]  ? trace_hardirqs_off_caller+0xbb/0x310
[  718.258404]  ? trace_hardirqs_on_caller+0xc0/0x310
[  718.263338]  ? syscall_return_slowpath+0x5e0/0x5e0
[  718.268266]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  718.273146]  ? trace_hardirqs_on_caller+0x310/0x310
[  718.278157]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  718.283644]  ? prepare_exit_to_usermode+0x291/0x3b0
[  718.288687]  ? page_fault+0x8/0x30
[  718.292229]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  718.297074]  ? page_fault+0x8/0x30
[  718.300620]  page_fault+0x1e/0x30
[  718.304069] RIP: 0033:0x45ddf3
[  718.307310] Code: Bad RIP value.
[  718.310675] RSP: 002b:000000c420023ea0 EFLAGS: 00010202
[  718.316033] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
[  718.323324] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  718.330609] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  718.337875] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  718.345139] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
[  718.352469] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304
[  718.352488] warn_alloc_show_mem: 1 callbacks suppressed
[  718.352492] Mem-Info:
[  718.359748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  718.359756] Call Trace:
[  718.365125] active_anon:59588 inactive_anon:187 isolated_anon:0
[  718.365125]  active_file:13 inactive_file:14 isolated_file:0
[  718.365125]  unevictable:0 dirty:0 writeback:0 unstable:0
[  718.365125]  slab_reclaimable:10147 slab_unreclaimable:1445690
[  718.365125]  mapped:49154 shmem:244 pagetables:690 bounce:0
[  718.365125]  free:13773 free_pcp:174 free_cma:0
[  718.367512]  <IRQ>
[  718.376872] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  718.379460]  dump_stack+0x244/0x39d
[  718.412401] 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
[  718.414555]  ? dump_stack_print_info.cold.1+0x20/0x20
[  718.442039] lowmem_reserve[]: 0 2818 6321 6321
[  718.445708]  warn_alloc.cold.116+0xb7/0x1bd
[  718.471795] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  718.476982]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  718.481540] lowmem_reserve[]: 0 0 3503 3503
[  718.485872]  ? lock_downgrade+0x900/0x900
[  718.513344] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB
[  718.518190]  ? trace_hardirqs_off+0xb8/0x310
[  718.522479] lowmem_reserve[]: 0 0 0 0
[  718.526628]  ? trace_hardirqs_off+0xb8/0x310
[  718.555587] 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
[  718.559995]  __alloc_pages_slowpath+0x2651/0x2de0
[  718.563778] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
[  718.568201]  ? warn_alloc+0x120/0x120
[  718.581676] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  718.586515]  ? print_usage_bug+0xc0/0xc0
[  718.602452] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  718.606240]  ? warn_alloc+0x120/0x120
[  718.619828] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  718.623879]  ? warn_alloc+0x120/0x120
[  718.632690] 271 total pagecache pages
[  718.636483]  ? print_usage_bug+0xc0/0xc0
[  718.645038] 0 pages in swap cache
[  718.648826]  ? print_usage_bug+0xc0/0xc0
[  718.652610] Swap cache stats: add 0, delete 0, find 0/0
[  718.656659]  ? __lock_acquire+0x62f/0x4c20
[  718.660105] Free swap  = 0kB
[  718.664157]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  718.669491] Total swap = 0kB
[  718.673721]  ? should_fail+0x22d/0xd01
[  718.676711] 1965979 pages RAM
[  718.682243]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  718.685237] 0 pages HighMem/MovableOnly
[  718.689116]  ? __lock_acquire+0x62f/0x4c20
[  718.692195] 342854 pages reserved
[  718.697305]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  718.701252] 0 pages cma reserved
[  718.705480]  ? __lock_acquire+0x62f/0x4c20
[  718.708967] aoe: skb alloc failure
[  718.713997]  ? should_fail+0x22d/0xd01
[  718.714011]  ? find_held_lock+0x36/0x1c0
[  718.714033]  ? mark_held_locks+0x130/0x130
[  718.717411] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  718.721605]  ? mark_held_locks+0x130/0x130
[  718.725121] syz-fuzzer cpuset=/ mems_allowed=0
[  718.728998]  ? zap_class+0x640/0x640
[  718.759968]  ? zap_class+0x640/0x640
[  718.763687]  ? print_usage_bug+0xc0/0xc0
[  718.767764]  ? do_raw_spin_unlock+0xa7/0x330
[  718.772175]  ? zap_class+0x640/0x640
[  718.775886]  ? print_usage_bug+0xc0/0xc0
[  718.779945]  ? wq_watchdog_touch+0x9c/0xfe
[  718.784214]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  718.789769]  ? check_preemption_disabled+0x48/0x280
[  718.794798]  ? __lock_is_held+0xb5/0x140
[  718.798869]  __alloc_pages_nodemask+0xad8/0xea0
[  718.803543]  ? zap_class+0x640/0x640
[  718.807263]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  718.812323]  ? find_held_lock+0x36/0x1c0
[  718.816407]  ? ____cache_alloc_node+0x1c7/0x1e0
[  718.821076]  ? lock_downgrade+0x900/0x900
[  718.825233]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  718.830773]  cache_grow_begin+0xa5/0x8c0
[  718.834836]  ? do_raw_spin_unlock+0xa7/0x330
[  718.839256]  fallback_alloc+0x204/0x2e0
[  718.843241]  ____cache_alloc_node+0x1c7/0x1e0
[  718.847755]  kmem_cache_alloc_node+0xe3/0x730
[  718.852255]  ? ipv6_get_ifaddr+0x42e/0x620
[  718.856520]  __alloc_skb+0x119/0x770
[  718.860251]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  718.865535]  ? netdev_alloc_frag+0x1f0/0x1f0
[  718.869949]  ? lock_downgrade+0x900/0x900
[  718.874102]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  718.879639]  ? refcount_sub_and_test_checked+0x203/0x310
[  718.885092]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  718.890560]  ? addrconf_rs_timer+0x690/0x690
[  718.895013]  ndisc_alloc_skb+0x144/0x340
[  718.899084]  ndisc_send_rs+0x331/0x6e0
[  718.902977]  addrconf_rs_timer+0x314/0x690
[  718.907222]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  718.911482]  call_timer_fn+0x272/0x920
[  718.915366]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  718.919602]  ? process_timeout+0x40/0x40
[  718.923674]  ? __run_timers+0x7da/0xc70
[  718.927651]  ? _raw_spin_unlock_irq+0x27/0x80
[  718.932145]  ? _raw_spin_unlock_irq+0x27/0x80
[  718.936636]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  718.940874]  ? lockdep_hardirqs_on+0x296/0x5b0
[  718.945456]  ? trace_hardirqs_on+0xbd/0x310
[  718.949779]  ? kasan_check_read+0x11/0x20
[  718.953929]  ? __run_timers+0x7da/0xc70
[  718.957919]  ? trace_hardirqs_off_caller+0x310/0x310
[  718.963028]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  718.967272]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  718.971515]  __run_timers+0x7e5/0xc70
[  718.975332]  ? timer_fixup_init+0x70/0x70
[  718.979506]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  718.984539]  ? zap_class+0x640/0x640
[  718.988259]  ? enqueue_hrtimer+0x1a5/0x560
[  718.992499]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  718.997710]  ? find_held_lock+0x36/0x1c0
[  719.001775]  ? zap_class+0x640/0x640
[  719.005498]  ? pvclock_read_flags+0x160/0x160
[  719.009999]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  719.015543]  ? check_preemption_disabled+0x48/0x280
[  719.020566]  ? __lock_is_held+0xb5/0x140
[  719.024627]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  719.030167]  ? check_preemption_disabled+0x48/0x280
[  719.035208]  run_timer_softirq+0x52/0xb0
[  719.039271]  ? rcu_read_lock_sched_held+0x14f/0x180
[  719.044296]  __do_softirq+0x308/0xb7e
[  719.048103]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  719.052603]  ? lock_downgrade+0x900/0x900
[  719.056752]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  719.061859]  ? pvclock_read_flags+0x160/0x160
[  719.066371]  ? lapic_next_event+0x5a/0x90
[  719.070518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  719.076066]  ? kvm_clock_read+0x18/0x30
[  719.080043]  ? kvm_sched_clock_read+0x9/0x20
[  719.084461]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  719.090172]  ? check_preemption_disabled+0x48/0x280
[  719.095196]  irq_exit+0x17f/0x1c0
[  719.098676]  smp_apic_timer_interrupt+0x1cb/0x760
[  719.103513]  ? smp_reschedule_interrupt+0x109/0x650
[  719.108523]  ? smp_call_function_single_interrupt+0x650/0x650
[  719.114579]  ? interrupt_entry+0xb5/0xc0
[  719.118644]  ? trace_hardirqs_off_caller+0xbb/0x310
[  719.123654]  ? trace_hardirqs_off_caller+0xbb/0x310
[  719.128685]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  719.133555]  ? trace_hardirqs_on_caller+0x310/0x310
[  719.138570]  ? trace_hardirqs_on_caller+0x310/0x310
[  719.143599]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  719.148451]  apic_timer_interrupt+0xf/0x20
[  719.152691]  </IRQ>
[  719.154932] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  719.160818] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
[  719.179728] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  719.187480] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  719.194744] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286
[  719.202011] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000
[  719.209278] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40
[  719.216550] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286
[  719.223843]  ? save_stack+0xa9/0xd0
[  719.227478]  __kmalloc_node_track_caller+0x3c/0x70
[  719.232412]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  719.237175]  pskb_expand_head+0x230/0x10f0
[  719.241425]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  719.246877]  ? memcpy+0x45/0x50
[  719.250173]  ? __copy_skb_header+0x350/0x6b0
[  719.254587]  ? skb_release_data+0x880/0x880
[  719.258908]  ? __alloc_skb+0x770/0x770
[  719.262823]  ? __lock_is_held+0xb5/0x140
[  719.266893]  ? kasan_check_write+0x14/0x20
[  719.271133]  ? __skb_clone+0x6c7/0xa00
[  719.275018]  ? __copy_skb_header+0x6b0/0x6b0
[  719.279421]  ? kmem_cache_alloc+0x33a/0x730
[  719.283748]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  719.289311]  skb_ensure_writable+0x3dd/0x640
[  719.293720]  ? skb_checksum_setup+0xaa0/0xaa0
[  719.298228]  ? preempt_notifier_register+0x200/0x200
[  719.303324]  ? __switch_to_asm+0x34/0x70
[  719.307379]  ? __switch_to_asm+0x34/0x70
[  719.311441]  ? __switch_to_asm+0x40/0x70
[  719.315500]  ? __switch_to_asm+0x34/0x70
[  719.319558]  ? __switch_to_asm+0x40/0x70
[  719.323617]  ? __switch_to_asm+0x40/0x70
[  719.327693]  ? __switch_to_asm+0x34/0x70
[  719.331766]  ? __switch_to_asm+0x34/0x70
[  719.335852]  ? __switch_to_asm+0x40/0x70
[  719.339911]  ? __switch_to_asm+0x34/0x70
[  719.344021]  bpf_clone_redirect+0x14a/0x490
[  719.348356]  bpf_prog_12ab75334035c288+0xfcd/0x1000
[  719.353376]  ? __sched_text_start+0x8/0x8
[  719.357519]  ? retint_kernel+0x2d/0x2d
[  719.361411]  ? find_held_lock+0x36/0x1c0
[  719.365478]  ? lock_acquire+0x1ed/0x520
[  719.369467]  ? bpf_test_run+0x3cb/0x780
[  719.373437]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  719.378978]  ? check_preemption_disabled+0x48/0x280
[  719.383998]  ? kasan_check_read+0x11/0x20
[  719.388143]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  719.393429]  ? rcu_softirq_qs+0x20/0x20
[  719.397416]  ? preempt_schedule+0x4d/0x60
[  719.401564]  ? ___preempt_schedule+0x16/0x18
[  719.405979]  ? bpf_test_run+0x25d/0x780
[  719.409966]  ? netlink_diag_dump+0x2a0/0x2a0
[  719.414379]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  719.419917]  ? bpf_test_init.isra.10+0x70/0x100
[  719.424597]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  719.429362]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  719.434201]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  719.439737]  ? fput+0x130/0x1a0
[  719.443020]  ? __bpf_prog_get+0x9b/0x290
[  719.447105]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  719.451963]  ? bpf_prog_test_run+0x130/0x1a0
[  719.456374]  ? __x64_sys_bpf+0x3d8/0x520
[  719.460450]  ? bpf_prog_get+0x20/0x20
[  719.464307]  ? do_syscall_64+0x1b9/0x820
[  719.468385]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  719.473787]  ? syscall_return_slowpath+0x5e0/0x5e0
[  719.478722]  ? trace_hardirqs_on_caller+0x310/0x310
[  719.483737]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  719.488775]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  719.495480]  ? __switch_to_asm+0x40/0x70
[  719.499541]  ? __switch_to_asm+0x34/0x70
[  719.503605]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  719.508452]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  719.513862] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
[  719.513972] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  719.520886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  719.520895] Call Trace:
[  719.527843] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  719.537124]  <IRQ>
[  719.539689] syz-executor3 cpuset=syz3 mems_allowed=0
[  719.550164]  dump_stack+0x244/0x39d
[  719.560996]  ? dump_stack_print_info.cold.1+0x20/0x20
[  719.566195]  warn_alloc.cold.116+0xb7/0x1bd
[  719.570511]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  719.575351]  ? lock_downgrade+0x900/0x900
[  719.579501]  ? trace_hardirqs_off+0xb8/0x310
[  719.583913]  ? trace_hardirqs_off+0xb8/0x310
[  719.588348]  __alloc_pages_slowpath+0x2651/0x2de0
[  719.593227]  ? warn_alloc+0x120/0x120
[  719.597046]  ? warn_alloc+0x120/0x120
[  719.600869]  ? __lock_acquire+0x62f/0x4c20
[  719.605149]  ? warn_alloc+0x120/0x120
[  719.608985]  ? print_usage_bug+0xc0/0xc0
[  719.613061]  ? print_usage_bug+0xc0/0xc0
[  719.617135]  ? mark_held_locks+0x130/0x130
[  719.621392]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  719.626929]  ? should_fail+0x22d/0xd01
[  719.630826]  ? zap_class+0x640/0x640
[  719.634542]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  719.639650]  ? __lock_acquire+0x62f/0x4c20
[  719.643909]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  719.649010]  ? should_fail+0x22d/0xd01
[  719.652909]  ? mark_held_locks+0x130/0x130
[  719.657142]  ? mark_held_locks+0x130/0x130
[  719.661587]  ? lock_downgrade+0x900/0x900
[  719.665736]  ? zap_class+0x640/0x640
[  719.669448]  ? zap_class+0x640/0x640
[  719.673160]  ? zap_class+0x640/0x640
[  719.676869]  ? do_raw_spin_unlock+0xa7/0x330
[  719.681276]  ? trace_hardirqs_on+0x310/0x310
[  719.685691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  719.691247]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  719.696786]  ? check_preemption_disabled+0x48/0x280
[  719.701812]  ? __lock_is_held+0xb5/0x140
[  719.705886]  __alloc_pages_nodemask+0xad8/0xea0
[  719.710566]  ? zap_class+0x640/0x640
[  719.714280]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  719.719320]  ? find_held_lock+0x36/0x1c0
[  719.723393]  ? ____cache_alloc_node+0x1c7/0x1e0
[  719.728064]  ? lock_downgrade+0x900/0x900
[  719.732238]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  719.737783]  cache_grow_begin+0xa5/0x8c0
[  719.741845]  ? do_raw_spin_unlock+0xa7/0x330
[  719.746262]  fallback_alloc+0x204/0x2e0
[  719.750254]  ____cache_alloc_node+0x1c7/0x1e0
[  719.754753]  kmem_cache_alloc_node+0xe3/0x730
[  719.759248]  ? lockdep_hardirqs_on+0x296/0x5b0
[  719.763861]  __alloc_skb+0x119/0x770
[  719.767573]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  719.772942]  ? netdev_alloc_frag+0x1f0/0x1f0
[  719.777355]  ? vprintk_default+0x28/0x30
[  719.781433]  ? vprintk_func+0x85/0x181
[  719.785325]  ? printk+0xa7/0xcf
[  719.788617]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  719.793389]  new_skb+0x26/0x1c0
[  719.796669]  aoecmd_cfg+0x279/0x7f0
[  719.800308]  ? find_held_lock+0x36/0x1c0
[  719.804378]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  719.808705]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  719.814249]  ? __lock_is_held+0xb5/0x140
[  719.818360]  discover_timer+0x50/0x60
[  719.822157]  call_timer_fn+0x272/0x920
[  719.826047]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  719.830889]  ? process_timeout+0x40/0x40
[  719.834964]  ? mark_held_locks+0xc7/0x130
[  719.839116]  ? _raw_spin_unlock_irq+0x27/0x80
[  719.843605]  ? _raw_spin_unlock_irq+0x27/0x80
[  719.848096]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  719.852935]  ? lockdep_hardirqs_on+0x296/0x5b0
[  719.857517]  ? trace_hardirqs_on+0xbd/0x310
[  719.861856]  ? kasan_check_read+0x11/0x20
[  719.866013]  ? __run_timers+0x7da/0xc70
[  719.869990]  ? trace_hardirqs_off_caller+0x310/0x310
[  719.875106]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  719.879956]  __run_timers+0x7e5/0xc70
[  719.883768]  ? timer_fixup_init+0x70/0x70
[  719.887914]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  719.892927]  ? zap_class+0x640/0x640
[  719.896650]  ? print_usage_bug+0xc0/0xc0
[  719.900712]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  719.905907]  ? find_held_lock+0x36/0x1c0
[  719.909971]  ? zap_class+0x640/0x640
[  719.913691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  719.919246]  ? check_preemption_disabled+0x48/0x280
[  719.924317]  ? __lock_is_held+0xb5/0x140
[  719.928382]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  719.933949]  ? check_preemption_disabled+0x48/0x280
[  719.938992]  run_timer_softirq+0x52/0xb0
[  719.943059]  ? rcu_read_lock_sched_held+0x14f/0x180
[  719.948078]  __do_softirq+0x308/0xb7e
[  719.951886]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  719.956381]  ? lock_downgrade+0x900/0x900
[  719.960535]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  719.965942]  ? pvclock_read_flags+0x160/0x160
[  719.970440]  ? lapic_next_event+0x5a/0x90
[  719.974609]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  719.980150]  ? kvm_clock_read+0x18/0x30
[  719.984123]  ? kvm_sched_clock_read+0x9/0x20
[  719.988533]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  719.994076]  ? check_preemption_disabled+0x48/0x280
[  719.999102]  irq_exit+0x17f/0x1c0
[  720.002577]  smp_apic_timer_interrupt+0x1cb/0x760
[  720.007432]  ? smp_call_function_single_interrupt+0x159/0x650
[  720.013326]  ? smp_call_function_single_interrupt+0x650/0x650
[  720.019225]  ? interrupt_entry+0xb5/0xc0
[  720.023296]  ? trace_hardirqs_off_caller+0xbb/0x310
[  720.028329]  ? trace_hardirqs_off_caller+0xbb/0x310
[  720.033368]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  720.038222]  ? trace_hardirqs_on_caller+0x310/0x310
[  720.043238]  ? trace_hardirqs_on_caller+0x310/0x310
[  720.048254]  ? task_prio+0x50/0x50
[  720.051797]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  720.057336]  ? check_preemption_disabled+0x48/0x280
[  720.062359]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  720.067208]  apic_timer_interrupt+0xf/0x20
[  720.071434]  </IRQ>
[  720.073691] RIP: 0010:rcu_is_watching+0x0/0x30
[  720.078275] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
[  720.097334] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  720.105040] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
[  720.112323] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
[  720.119586] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
[  720.126852] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
[  720.134134] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  720.141419]  ? list_lru_count_one+0x253/0x450
[  720.145908]  ? list_lru_count_one+0x35d/0x450
[  720.150412]  ? list_lru_count_one+0x362/0x450
[  720.154918]  ? list_lru_isolate_move+0x3c0/0x3c0
[  720.159676]  ? shmem_free_inode+0xd0/0xd0
[  720.164089]  ? __lock_is_held+0xb5/0x140
[  720.168158]  super_cache_count+0x1b9/0x2e0
[  720.172403]  do_shrink_slab+0x1b1/0xd30
[  720.176392]  ? snapshot_refaults+0x290/0x290
[  720.180806]  ? lock_release+0xa00/0xa00
[  720.184785]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  720.189722]  ? down_read_trylock+0xda/0x140
[  720.194036]  ? shrink_slab+0x207/0x8c0
[  720.197926]  ? downgrade_write+0x270/0x270
[  720.202176]  shrink_slab+0x389/0x8c0
[  720.205906]  ? shrink_active_list+0x1f00/0x1f00
[  720.210633]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  720.216263]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  720.221385]  ? cgroup_procs_write_finish+0xf0/0xf0
[  720.226334]  ? find_held_lock+0x36/0x1c0
[  720.230407]  shrink_node+0x431/0x16b0
[  720.234209]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  720.239512]  ? shrink_node_memcg+0x18f0/0x18f0
[  720.244100]  ? kvm_clock_read+0x18/0x30
[  720.248075]  ? ktime_get+0x2c1/0x400
[  720.251815]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  720.256319]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  720.261861]  ? __cpuset_node_allowed+0x19b/0x660
[  720.266648]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  720.272359]  ? delayacct_end+0x5a/0x100
[  720.276348]  do_try_to_free_pages+0x3e7/0x1290
[  720.280932]  ? zap_class+0x640/0x640
[  720.284667]  ? shrink_node+0x16b0/0x16b0
[  720.288738]  ? __lock_is_held+0xb5/0x140
[  720.292821]  try_to_free_pages+0x4d0/0xb90
[  720.297059]  ? do_try_to_free_pages+0x1290/0x1290
[  720.301915]  ? lock_acquire+0x1ed/0x520
[  720.305894]  ? set_page_refcounted+0x280/0x280
[  720.310497]  ? lock_release+0xa00/0xa00
[  720.314490]  ? _raw_spin_unlock_irq+0x60/0x80
[  720.318980]  ? psi_memstall_enter+0x240/0x2b0
[  720.323489]  ? psi_memstall_tick+0x230/0x230
[  720.327906]  __alloc_pages_slowpath+0xa48/0x2de0
[  720.332687]  ? warn_alloc+0x120/0x120
[  720.336489]  ? mark_held_locks+0x130/0x130
[  720.340733]  ? find_get_entry+0xaae/0x1120
[  720.344979]  ? filemap_map_pages+0x1a20/0x1a20
[  720.349569]  ? zap_class+0x640/0x640
[  720.353299]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  720.358844]  ? check_preemption_disabled+0x48/0x280
[  720.363860]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  720.369397]  ? should_fail+0x22d/0xd01
[  720.373300]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  720.378411]  ? zap_class+0x640/0x640
[  720.382167]  ? __lock_is_held+0xb5/0x140
[  720.386233]  ? mark_held_locks+0x130/0x130
[  720.390474]  ? lock_release+0xa00/0xa00
[  720.394449]  ? perf_trace_sched_process_exec+0x860/0x860
[  720.399902]  ? xa_load+0x2ba/0x460
[  720.403459]  ? lock_downgrade+0x900/0x900
[  720.407613]  ? __might_sleep+0x95/0x190
[  720.411593]  __alloc_pages_nodemask+0xad8/0xea0
[  720.416271]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  720.421303]  ? __page_cache_alloc+0x191/0x5c0
[  720.425806]  ? xa_load+0x2e1/0x460
[  720.429350]  ? xa_clear_mark+0x40/0x40
[  720.433254]  ? zap_class+0x640/0x640
[  720.436984]  ? zap_class+0x640/0x640
[  720.440699]  ? zap_class+0x640/0x640
[  720.444416]  ? __do_page_cache_readahead+0x663/0x810
[  720.449531]  ? find_held_lock+0x36/0x1c0
[  720.453606]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  720.459155]  alloc_pages_current+0x173/0x350
[  720.463582]  __page_cache_alloc+0x38c/0x5c0
[  720.467907]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  720.472856]  ? kasan_check_read+0x11/0x20
[  720.477002]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  720.482284]  ? generic_perform_write+0x6a0/0x6a0
[  720.487051]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  720.492594]  ? check_preemption_disabled+0x48/0x280
[  720.497620]  filemap_fault+0x1595/0x25f0
[  720.501696]  ? __lock_page_or_retry+0xa00/0xa00
[  720.506367]  ? mark_held_locks+0x130/0x130
[  720.510616]  ? filemap_map_pages+0xd6b/0x1a20
[  720.515117]  ? lock_downgrade+0x900/0x900
[  720.519263]  ? check_preemption_disabled+0x48/0x280
[  720.524301]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  720.529238]  ? kasan_check_read+0x11/0x20
[  720.533574]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  720.538854]  ? rcu_softirq_qs+0x20/0x20
[  720.542842]  ? filemap_map_pages+0xd92/0x1a20
[  720.547352]  ? find_get_entries_tag+0x1400/0x1400
[  720.552199]  ? debug_object_destroy+0x2b0/0x2b0
[  720.556871]  ? lock_pi_update_atomic+0x150/0x150
[  720.561631]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  720.567180]  ? lock_acquire+0x1ed/0x520
[  720.571151]  ? ext4_filemap_fault+0x7a/0xad
[  720.575484]  ? lock_release+0xa00/0xa00
[  720.579456]  ? perf_trace_sched_process_exec+0x860/0x860
[  720.584915]  ? print_usage_bug+0xc0/0xc0
[  720.588983]  ? print_usage_bug+0xc0/0xc0
[  720.593058]  ? down_read+0x8d/0x120
[  720.596683]  ? ext4_filemap_fault+0x7a/0xad
[  720.601005]  ? __down_interruptible+0x700/0x700
[  720.605682]  ext4_filemap_fault+0x82/0xad
[  720.609832]  __do_fault+0x100/0x6b0
[  720.613460]  ? release_sock+0x1ec/0x2c0
[  720.617439]  ? pmd_devmap_trans_unstable+0x220/0x220
[  720.622545]  ? mark_held_locks+0x130/0x130
[  720.626787]  ? mark_held_locks+0x130/0x130
[  720.631018]  ? lock_sock_nested+0x9a/0x120
[  720.635256]  ? __release_sock+0x3a0/0x3a0
[  720.639411]  ? __local_bh_enable_ip+0x160/0x260
[  720.644087]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  720.649634]  __handle_mm_fault+0x3ea0/0x5be0
[  720.654051]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  720.658894]  ? apparmor_socket_sendmsg+0x29/0x30
[  720.663653]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  720.669191]  ? security_socket_sendmsg+0x94/0xc0
[  720.673950]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  720.679517]  ? zap_class+0x640/0x640
[  720.683265]  ? zap_class+0x640/0x640
[  720.687004]  ? __x64_sys_futex+0x53e/0x6a0
[  720.691354]  ? find_held_lock+0x36/0x1c0
[  720.695444]  ? handle_mm_fault+0x42a/0xc70
[  720.699679]  ? lock_downgrade+0x900/0x900
[  720.703827]  ? check_preemption_disabled+0x48/0x280
[  720.708851]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  720.713779]  ? kasan_check_read+0x11/0x20
[  720.717926]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  720.723218]  ? rcu_softirq_qs+0x20/0x20
[  720.727193]  ? trace_hardirqs_off_caller+0x310/0x310
[  720.732334]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  720.737871]  ? check_preemption_disabled+0x48/0x280
[  720.742914]  handle_mm_fault+0x54f/0xc70
[  720.746998]  ? __handle_mm_fault+0x5be0/0x5be0
[  720.751595]  ? find_vma+0x34/0x190
[  720.755141]  __do_page_fault+0x5e8/0xe60
[  720.759213]  ? trace_hardirqs_off+0xb8/0x310
[  720.763647]  ? __ia32_sys_read+0xb0/0xb0
[  720.767723]  do_page_fault+0xf2/0x7e0
[  720.771523]  ? vmalloc_sync_all+0x30/0x30
[  720.775690]  ? error_entry+0x70/0xd0
[  720.779450]  ? trace_hardirqs_off_caller+0xbb/0x310
[  720.784480]  ? trace_hardirqs_on_caller+0xc0/0x310
[  720.789412]  ? syscall_return_slowpath+0x5e0/0x5e0
[  720.794343]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  720.799189]  ? trace_hardirqs_on_caller+0x310/0x310
[  720.804203]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  720.809659]  ? prepare_exit_to_usermode+0x291/0x3b0
[  720.814680]  ? page_fault+0x8/0x30
[  720.818221]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  720.823067]  ? page_fault+0x8/0x30
[  720.826615]  page_fault+0x1e/0x30
[  720.830066] RIP: 0033:0x45ddf3
[  720.833273] Code: Bad RIP value.
[  720.836651] RSP: 002b:000000c420023ea0 EFLAGS: 00010202
[  720.842016] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
[  720.849280] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  720.856565] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  720.863831] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  720.871100] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
[  720.878406] warn_alloc_show_mem: 1 callbacks suppressed
[  720.878418] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304
[  720.878420] Mem-Info:
[  720.878466] active_anon:59588 inactive_anon:187 isolated_anon:0
[  720.878466]  active_file:13 inactive_file:14 isolated_file:0
[  720.878466]  unevictable:0 dirty:0 writeback:0 unstable:0
[  720.878466]  slab_reclaimable:10147 slab_unreclaimable:1445690
[  720.878466]  mapped:49154 shmem:244 pagetables:690 bounce:0
[  720.878466]  free:13773 free_pcp:174 free_cma:0
[  720.883808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  720.891081] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  720.891089] 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
[  720.893575] Call Trace:
[  720.926537] lowmem_reserve[]: 0 2818 6321 6321
[  720.935892]  <IRQ>
[  720.963408] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  720.989514]  dump_stack+0x244/0x39d
[  720.992068] lowmem_reserve[]: 0 0 3503 3503
[  720.996645]  ? dump_stack_print_info.cold.1+0x20/0x20
[  720.998775] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB
[  721.026298]  warn_alloc.cold.116+0xb7/0x1bd
[  721.029896] lowmem_reserve[]: 0 0 0 0
[  721.034214]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  721.039378] 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
[  721.068317]  ? lock_downgrade+0x900/0x900
[  721.072640] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
[  721.076445]  ? trace_hardirqs_off+0xb8/0x310
[  721.081258] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  721.094777]  ? trace_hardirqs_off+0xb8/0x310
[  721.098905] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  721.114872]  __alloc_pages_slowpath+0x2651/0x2de0
[  721.119265] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  721.132893]  ? warn_alloc+0x120/0x120
[  721.137251] 271 total pagecache pages
[  721.146114]  ? print_usage_bug+0xc0/0xc0
[  721.150936] 0 pages in swap cache
[  721.159495]  ? warn_alloc+0x120/0x120
[  721.163273] Swap cache stats: add 0, delete 0, find 0/0
[  721.167075]  ? warn_alloc+0x120/0x120
[  721.171116] Free swap  = 0kB
[  721.174571]  ? print_usage_bug+0xc0/0xc0
[  721.178345] Total swap = 0kB
[  721.183705]  ? kvm_clock_read+0x18/0x30
[  721.187522] 1965979 pages RAM
[  721.190533]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  721.194573] 0 pages HighMem/MovableOnly
[  721.197585]  ? print_usage_bug+0xc0/0xc0
[  721.201533] 342854 pages reserved
[  721.204630]  ? __lock_acquire+0x62f/0x4c20
[  721.209623] 0 pages cma reserved
[  721.213603]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  721.217719] aoe: skb alloc failure
[  721.221091]  ? should_fail+0x22d/0xd01
[  721.225369] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  721.228668]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  721.234184] syz-fuzzer cpuset=/ mems_allowed=0
[  721.237719]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  721.266708]  ? __lock_acquire+0x62f/0x4c20
[  721.270949]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  721.276059]  ? __lock_acquire+0x62f/0x4c20
[  721.280304]  ? should_fail+0x22d/0xd01
[  721.284195]  ? rcu_irq_exit+0x1a2/0x390
[  721.288181]  ? mark_held_locks+0x130/0x130
[  721.292423]  ? mark_held_locks+0x130/0x130
[  721.296667]  ? mark_held_locks+0xc7/0x130
[  721.300816]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  721.305836]  ? zap_class+0x640/0x640
[  721.309553]  ? print_usage_bug+0xc0/0xc0
[  721.313622]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  721.319158]  ? check_preemption_disabled+0x48/0x280
[  721.324198]  ? __lock_is_held+0xb5/0x140
[  721.328269]  __alloc_pages_nodemask+0xad8/0xea0
[  721.332948]  ? zap_class+0x640/0x640
[  721.336667]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  721.341703]  ? find_held_lock+0x36/0x1c0
[  721.345774]  ? ____cache_alloc_node+0x1c7/0x1e0
[  721.350447]  ? lock_downgrade+0x900/0x900
[  721.354606]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  721.360149]  cache_grow_begin+0xa5/0x8c0
[  721.364210]  ? do_raw_spin_unlock+0xa7/0x330
[  721.368627]  fallback_alloc+0x204/0x2e0
[  721.372629]  ____cache_alloc_node+0x1c7/0x1e0
[  721.377135]  kmem_cache_alloc_node+0xe3/0x730
[  721.381635]  ? ipv6_get_ifaddr+0x42e/0x620
[  721.385882]  __alloc_skb+0x119/0x770
[  721.389596]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  721.394880]  ? netdev_alloc_frag+0x1f0/0x1f0
[  721.399298]  ? lock_downgrade+0x900/0x900
[  721.403457]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  721.408995]  ? refcount_sub_and_test_checked+0x203/0x310
[  721.414448]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  721.419903]  ? addrconf_rs_timer+0x690/0x690
[  721.424335]  ndisc_alloc_skb+0x144/0x340
[  721.428405]  ndisc_send_rs+0x331/0x6e0
[  721.432309]  addrconf_rs_timer+0x314/0x690
[  721.436551]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  721.440796]  call_timer_fn+0x272/0x920
[  721.444684]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  721.448922]  ? process_timeout+0x40/0x40
[  721.452994]  ? __run_timers+0x7da/0xc70
[  721.456973]  ? _raw_spin_unlock_irq+0x27/0x80
[  721.461468]  ? _raw_spin_unlock_irq+0x27/0x80
[  721.465960]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  721.470194]  ? lockdep_hardirqs_on+0x296/0x5b0
[  721.474779]  ? trace_hardirqs_on+0xbd/0x310
[  721.479099]  ? kasan_check_read+0x11/0x20
[  721.483246]  ? __run_timers+0x7da/0xc70
[  721.487225]  ? trace_hardirqs_off_caller+0x310/0x310
[  721.492338]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  721.496578]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  721.500813]  __run_timers+0x7e5/0xc70
[  721.504628]  ? timer_fixup_init+0x70/0x70
[  721.508781]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  721.513798]  ? zap_class+0x640/0x640
[  721.517522]  ? enqueue_hrtimer+0x1a5/0x560
[  721.521762]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  721.526965]  ? find_held_lock+0x36/0x1c0
[  721.531033]  ? zap_class+0x640/0x640
[  721.534758]  ? pvclock_read_flags+0x160/0x160
[  721.539258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  721.544810]  ? check_preemption_disabled+0x48/0x280
[  721.549838]  ? __lock_is_held+0xb5/0x140
[  721.553908]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  721.559455]  ? check_preemption_disabled+0x48/0x280
[  721.564479]  run_timer_softirq+0x52/0xb0
[  721.568543]  ? rcu_read_lock_sched_held+0x14f/0x180
[  721.573562]  __do_softirq+0x308/0xb7e
[  721.577399]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  721.581896]  ? lock_downgrade+0x900/0x900
[  721.586071]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  721.591186]  ? pvclock_read_flags+0x160/0x160
[  721.595700]  ? lapic_next_event+0x5a/0x90
[  721.599854]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  721.605413]  ? kvm_clock_read+0x18/0x30
[  721.609390]  ? kvm_sched_clock_read+0x9/0x20
[  721.613800]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  721.619359]  ? check_preemption_disabled+0x48/0x280
[  721.624387]  irq_exit+0x17f/0x1c0
[  721.627845]  smp_apic_timer_interrupt+0x1cb/0x760
[  721.632688]  ? smp_reschedule_interrupt+0x109/0x650
[  721.637707]  ? smp_call_function_single_interrupt+0x650/0x650
[  721.643592]  ? interrupt_entry+0xb5/0xc0
[  721.647659]  ? trace_hardirqs_off_caller+0xbb/0x310
[  721.652677]  ? trace_hardirqs_off_caller+0xbb/0x310
[  721.657697]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  721.662544]  ? trace_hardirqs_on_caller+0x310/0x310
[  721.667560]  ? trace_hardirqs_on_caller+0x310/0x310
[  721.672586]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  721.677466]  apic_timer_interrupt+0xf/0x20
[  721.681720]  </IRQ>
[  721.683996] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  721.689896] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
[  721.708806] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  721.716515] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  721.723780] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286
[  721.731049] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000
[  721.738325] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40
[  721.745590] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286
[  721.752888]  ? save_stack+0xa9/0xd0
[  721.756529]  __kmalloc_node_track_caller+0x3c/0x70
[  721.761492]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  721.766262]  pskb_expand_head+0x230/0x10f0
[  721.770520]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  721.775973]  ? memcpy+0x45/0x50
[  721.779270]  ? __copy_skb_header+0x350/0x6b0
[  721.783699]  ? skb_release_data+0x880/0x880
[  721.788035]  ? __alloc_skb+0x770/0x770
[  721.791980]  ? __lock_is_held+0xb5/0x140
[  721.796046]  ? kasan_check_write+0x14/0x20
[  721.800286]  ? __skb_clone+0x6c7/0xa00
[  721.804184]  ? __copy_skb_header+0x6b0/0x6b0
[  721.808591]  ? kmem_cache_alloc+0x33a/0x730
[  721.812916]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  721.818465]  skb_ensure_writable+0x3dd/0x640
[  721.822881]  ? skb_checksum_setup+0xaa0/0xaa0
[  721.827381]  ? preempt_notifier_register+0x200/0x200
[  721.832481]  ? __switch_to_asm+0x34/0x70
[  721.836558]  ? __switch_to_asm+0x34/0x70
[  721.840614]  ? __switch_to_asm+0x40/0x70
[  721.844683]  ? __switch_to_asm+0x34/0x70
[  721.848740]  ? __switch_to_asm+0x40/0x70
[  721.852801]  ? __switch_to_asm+0x40/0x70
[  721.856861]  ? __switch_to_asm+0x34/0x70
[  721.860924]  ? __switch_to_asm+0x34/0x70
[  721.864982]  ? __switch_to_asm+0x40/0x70
[  721.869042]  ? __switch_to_asm+0x34/0x70
[  721.873124]  bpf_clone_redirect+0x14a/0x490
[  721.877474]  bpf_prog_12ab75334035c288+0xfcd/0x1000
[  721.882495]  ? __sched_text_start+0x8/0x8
[  721.886645]  ? retint_kernel+0x2d/0x2d
[  721.890542]  ? find_held_lock+0x36/0x1c0
[  721.894643]  ? lock_acquire+0x1ed/0x520
[  721.898614]  ? bpf_test_run+0x3cb/0x780
[  721.902587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  721.908128]  ? check_preemption_disabled+0x48/0x280
[  721.913156]  ? kasan_check_read+0x11/0x20
[  721.917314]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  721.922590]  ? rcu_softirq_qs+0x20/0x20
[  721.926579]  ? preempt_schedule+0x4d/0x60
[  721.930727]  ? ___preempt_schedule+0x16/0x18
[  721.935141]  ? bpf_test_run+0x25d/0x780
[  721.939124]  ? netlink_diag_dump+0x2a0/0x2a0
[  721.943533]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  721.949121]  ? bpf_test_init.isra.10+0x70/0x100
[  721.953800]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  721.958570]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  721.963595]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  721.969135]  ? fput+0x130/0x1a0
[  721.972417]  ? __bpf_prog_get+0x9b/0x290
[  721.976483]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  721.981331]  ? bpf_prog_test_run+0x130/0x1a0
[  721.985744]  ? __x64_sys_bpf+0x3d8/0x520
[  721.989805]  ? bpf_prog_get+0x20/0x20
[  721.993628]  ? do_syscall_64+0x1b9/0x820
[  721.997687]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  722.003091]  ? syscall_return_slowpath+0x5e0/0x5e0
[  722.008020]  ? trace_hardirqs_on_caller+0x310/0x310
[  722.013097]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  722.018131]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  722.024794]  ? __switch_to_asm+0x40/0x70
[  722.028867]  ? __switch_to_asm+0x34/0x70
[  722.032956]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  722.037815]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  722.043198] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
[  722.043298] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  722.050210] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  722.050219] Call Trace:
[  722.056782] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  722.066042]  <IRQ>
[  722.068621] syz-executor3 cpuset=syz3 mems_allowed=0
[  722.079096]  dump_stack+0x244/0x39d
[  722.089953]  ? dump_stack_print_info.cold.1+0x20/0x20
[  722.095323]  warn_alloc.cold.116+0xb7/0x1bd
[  722.099649]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  722.104497]  ? lock_downgrade+0x900/0x900
[  722.108654]  ? trace_hardirqs_off+0xb8/0x310
[  722.113071]  ? trace_hardirqs_off+0xb8/0x310
[  722.117489]  __alloc_pages_slowpath+0x2651/0x2de0
[  722.122393]  ? warn_alloc+0x120/0x120
[  722.126228]  ? warn_alloc+0x120/0x120
[  722.130034]  ? warn_alloc+0x120/0x120
[  722.133870]  ? print_usage_bug+0xc0/0xc0
[  722.137937]  ? print_usage_bug+0xc0/0xc0
[  722.142004]  ? ktime_get+0x2c1/0x400
[  722.145728]  ? check_preemption_disabled+0x48/0x280
[  722.150740]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  722.155244]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  722.160779]  ? should_fail+0x22d/0xd01
[  722.164666]  ? kasan_check_read+0x11/0x20
[  722.168815]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  722.173922]  ? __lock_acquire+0x62f/0x4c20
[  722.178158]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  722.183264]  ? should_fail+0x22d/0xd01
[  722.187156]  ? print_usage_bug+0xc0/0xc0
[  722.191223]  ? mark_held_locks+0x130/0x130
[  722.195459]  ? mark_held_locks+0x130/0x130
[  722.199693]  ? check_preemption_disabled+0x48/0x280
[  722.204718]  ? zap_class+0x640/0x640
[  722.208435]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  722.213192]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  722.218732]  ? check_preemption_disabled+0x48/0x280
[  722.223757]  ? __lock_is_held+0xb5/0x140
[  722.227829]  __alloc_pages_nodemask+0xad8/0xea0
[  722.232497]  ? zap_class+0x640/0x640
[  722.236217]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  722.241260]  ? find_held_lock+0x36/0x1c0
[  722.245341]  ? ____cache_alloc_node+0x1c7/0x1e0
[  722.250029]  ? lock_downgrade+0x900/0x900
[  722.254185]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  722.259725]  cache_grow_begin+0xa5/0x8c0
[  722.263790]  ? do_raw_spin_unlock+0xa7/0x330
[  722.268212]  fallback_alloc+0x204/0x2e0
[  722.272198]  ____cache_alloc_node+0x1c7/0x1e0
[  722.276702]  kmem_cache_alloc_node+0xe3/0x730
[  722.281198]  ? lockdep_hardirqs_on+0x296/0x5b0
[  722.285794]  __alloc_skb+0x119/0x770
[  722.289504]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  722.294871]  ? netdev_alloc_frag+0x1f0/0x1f0
[  722.299286]  ? vprintk_default+0x28/0x30
[  722.303357]  ? vprintk_func+0x85/0x181
[  722.307247]  ? printk+0xa7/0xcf
[  722.310531]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  722.315332]  new_skb+0x26/0x1c0
[  722.318611]  aoecmd_cfg+0x279/0x7f0
[  722.322242]  ? find_held_lock+0x36/0x1c0
[  722.326327]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  722.330658]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  722.336215]  ? __lock_is_held+0xb5/0x140
[  722.340308]  discover_timer+0x50/0x60
[  722.344113]  call_timer_fn+0x272/0x920
[  722.348005]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  722.352888]  ? process_timeout+0x40/0x40
[  722.356959]  ? mark_held_locks+0xc7/0x130
[  722.361111]  ? _raw_spin_unlock_irq+0x27/0x80
[  722.365618]  ? _raw_spin_unlock_irq+0x27/0x80
[  722.370128]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  722.374971]  ? lockdep_hardirqs_on+0x296/0x5b0
[  722.379563]  ? trace_hardirqs_on+0xbd/0x310
[  722.383883]  ? kasan_check_read+0x11/0x20
[  722.388033]  ? __run_timers+0x7da/0xc70
[  722.392007]  ? trace_hardirqs_off_caller+0x310/0x310
[  722.397133]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  722.401974]  __run_timers+0x7e5/0xc70
[  722.405791]  ? timer_fixup_init+0x70/0x70
[  722.409947]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  722.414971]  ? zap_class+0x640/0x640
[  722.418690]  ? print_usage_bug+0xc0/0xc0
[  722.422756]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  722.427957]  ? find_held_lock+0x36/0x1c0
[  722.432028]  ? zap_class+0x640/0x640
[  722.435749]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  722.441307]  ? check_preemption_disabled+0x48/0x280
[  722.446368]  ? __lock_is_held+0xb5/0x140
[  722.450448]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  722.456000]  ? check_preemption_disabled+0x48/0x280
[  722.461021]  run_timer_softirq+0x52/0xb0
[  722.465085]  ? rcu_read_lock_sched_held+0x14f/0x180
[  722.470102]  __do_softirq+0x308/0xb7e
[  722.473909]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  722.478406]  ? lock_downgrade+0x900/0x900
[  722.482562]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  722.487678]  ? pvclock_read_flags+0x160/0x160
[  722.492179]  ? lapic_next_event+0x5a/0x90
[  722.496334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  722.501878]  ? kvm_clock_read+0x18/0x30
[  722.505853]  ? kvm_sched_clock_read+0x9/0x20
[  722.510263]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  722.515814]  ? check_preemption_disabled+0x48/0x280
[  722.520850]  irq_exit+0x17f/0x1c0
[  722.524337]  smp_apic_timer_interrupt+0x1cb/0x760
[  722.529210]  ? smp_call_function_single_interrupt+0x159/0x650
[  722.535100]  ? smp_call_function_single_interrupt+0x650/0x650
[  722.540983]  ? interrupt_entry+0xb5/0xc0
[  722.545047]  ? trace_hardirqs_off_caller+0xbb/0x310
[  722.550065]  ? trace_hardirqs_off_caller+0xbb/0x310
[  722.555083]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  722.559928]  ? trace_hardirqs_on_caller+0x310/0x310
[  722.564942]  ? trace_hardirqs_on_caller+0x310/0x310
[  722.569960]  ? task_prio+0x50/0x50
[  722.573506]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  722.579044]  ? check_preemption_disabled+0x48/0x280
[  722.584066]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  722.588924]  apic_timer_interrupt+0xf/0x20
[  722.593154]  </IRQ>
[  722.595391] RIP: 0010:rcu_is_watching+0x0/0x30
[  722.599978] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
[  722.618879] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  722.626586] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
[  722.633852] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
[  722.641120] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
[  722.648387] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
[  722.655652] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  722.662945]  ? list_lru_count_one+0x253/0x450
[  722.667440]  ? list_lru_count_one+0x35d/0x450
[  722.671941]  ? list_lru_count_one+0x362/0x450
[  722.676443]  ? list_lru_isolate_move+0x3c0/0x3c0
[  722.681200]  ? shmem_free_inode+0xd0/0xd0
[  722.685350]  ? __lock_is_held+0xb5/0x140
[  722.689438]  super_cache_count+0x1b9/0x2e0
[  722.693679]  do_shrink_slab+0x1b1/0xd30
[  722.697666]  ? snapshot_refaults+0x290/0x290
[  722.702076]  ? lock_release+0xa00/0xa00
[  722.706073]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  722.711042]  ? down_read_trylock+0xda/0x140
[  722.715381]  ? shrink_slab+0x207/0x8c0
[  722.719271]  ? downgrade_write+0x270/0x270
[  722.723527]  shrink_slab+0x389/0x8c0
[  722.727244]  ? shrink_active_list+0x1f00/0x1f00
[  722.731921]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  722.737550]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  722.742667]  ? cgroup_procs_write_finish+0xf0/0xf0
[  722.747602]  ? find_held_lock+0x36/0x1c0
[  722.751675]  shrink_node+0x431/0x16b0
[  722.755480]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  722.760792]  ? shrink_node_memcg+0x18f0/0x18f0
[  722.765380]  ? kvm_clock_read+0x18/0x30
[  722.769356]  ? ktime_get+0x2c1/0x400
[  722.773074]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  722.777582]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  722.783125]  ? __cpuset_node_allowed+0x19b/0x660
[  722.787883]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  722.793601]  ? delayacct_end+0x5a/0x100
[  722.797590]  do_try_to_free_pages+0x3e7/0x1290
[  722.802177]  ? zap_class+0x640/0x640
[  722.805909]  ? shrink_node+0x16b0/0x16b0
[  722.809985]  ? __lock_is_held+0xb5/0x140
[  722.814060]  try_to_free_pages+0x4d0/0xb90
[  722.818310]  ? do_try_to_free_pages+0x1290/0x1290
[  722.823168]  ? lock_acquire+0x1ed/0x520
[  722.827144]  ? set_page_refcounted+0x280/0x280
[  722.831731]  ? lock_release+0xa00/0xa00
[  722.835711]  ? _raw_spin_unlock_irq+0x60/0x80
[  722.840206]  ? psi_memstall_enter+0x240/0x2b0
[  722.844706]  ? psi_memstall_tick+0x230/0x230
[  722.849130]  __alloc_pages_slowpath+0xa48/0x2de0
[  722.853921]  ? warn_alloc+0x120/0x120
[  722.857723]  ? mark_held_locks+0x130/0x130
[  722.861963]  ? find_get_entry+0xaae/0x1120
[  722.866211]  ? filemap_map_pages+0x1a20/0x1a20
[  722.870801]  ? zap_class+0x640/0x640
[  722.874524]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  722.880075]  ? check_preemption_disabled+0x48/0x280
[  722.885111]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  722.890654]  ? should_fail+0x22d/0xd01
[  722.894581]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  722.899696]  ? zap_class+0x640/0x640
[  722.903438]  ? __lock_is_held+0xb5/0x140
[  722.907508]  ? mark_held_locks+0x130/0x130
[  722.911748]  ? lock_release+0xa00/0xa00
[  722.915743]  ? perf_trace_sched_process_exec+0x860/0x860
[  722.921193]  ? xa_load+0x2ba/0x460
[  722.924733]  ? lock_downgrade+0x900/0x900
[  722.928886]  ? __might_sleep+0x95/0x190
[  722.932871]  __alloc_pages_nodemask+0xad8/0xea0
[  722.937583]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  722.942606]  ? __page_cache_alloc+0x191/0x5c0
[  722.947103]  ? xa_load+0x2e1/0x460
[  722.950646]  ? xa_clear_mark+0x40/0x40
[  722.954537]  ? zap_class+0x640/0x640
[  722.958263]  ? zap_class+0x640/0x640
[  722.961989]  ? zap_class+0x640/0x640
[  722.965706]  ? __do_page_cache_readahead+0x663/0x810
[  722.970821]  ? find_held_lock+0x36/0x1c0
[  722.974895]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  722.980448]  alloc_pages_current+0x173/0x350
[  722.984868]  __page_cache_alloc+0x38c/0x5c0
[  722.989188]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  722.994119]  ? kasan_check_read+0x11/0x20
[  722.998266]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  723.003588]  ? generic_perform_write+0x6a0/0x6a0
[  723.008365]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  723.013906]  ? check_preemption_disabled+0x48/0x280
[  723.018936]  filemap_fault+0x1595/0x25f0
[  723.023010]  ? __lock_page_or_retry+0xa00/0xa00
[  723.027686]  ? mark_held_locks+0x130/0x130
[  723.031930]  ? filemap_map_pages+0xd6b/0x1a20
[  723.036437]  ? lock_downgrade+0x900/0x900
[  723.040583]  ? check_preemption_disabled+0x48/0x280
[  723.045633]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  723.050570]  ? kasan_check_read+0x11/0x20
[  723.054720]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  723.059998]  ? rcu_softirq_qs+0x20/0x20
[  723.063995]  ? filemap_map_pages+0xd92/0x1a20
[  723.068508]  ? find_get_entries_tag+0x1400/0x1400
[  723.073355]  ? debug_object_destroy+0x2b0/0x2b0
[  723.078028]  ? lock_pi_update_atomic+0x150/0x150
[  723.082802]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  723.088366]  ? lock_acquire+0x1ed/0x520
[  723.092359]  ? ext4_filemap_fault+0x7a/0xad
[  723.096690]  ? lock_release+0xa00/0xa00
[  723.100662]  ? perf_trace_sched_process_exec+0x860/0x860
[  723.106128]  ? print_usage_bug+0xc0/0xc0
[  723.110192]  ? print_usage_bug+0xc0/0xc0
[  723.114265]  ? down_read+0x8d/0x120
[  723.117900]  ? ext4_filemap_fault+0x7a/0xad
[  723.122224]  ? __down_interruptible+0x700/0x700
[  723.126901]  ext4_filemap_fault+0x82/0xad
[  723.131052]  __do_fault+0x100/0x6b0
[  723.134680]  ? release_sock+0x1ec/0x2c0
[  723.138698]  ? pmd_devmap_trans_unstable+0x220/0x220
[  723.143803]  ? mark_held_locks+0x130/0x130
[  723.148037]  ? mark_held_locks+0x130/0x130
[  723.152340]  ? lock_sock_nested+0x9a/0x120
[  723.156581]  ? __release_sock+0x3a0/0x3a0
[  723.160729]  ? __local_bh_enable_ip+0x160/0x260
[  723.165402]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  723.170948]  __handle_mm_fault+0x3ea0/0x5be0
[  723.175375]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  723.180220]  ? apparmor_socket_sendmsg+0x29/0x30
[  723.184987]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  723.190529]  ? security_socket_sendmsg+0x94/0xc0
[  723.195312]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  723.200888]  ? zap_class+0x640/0x640
[  723.204601]  ? zap_class+0x640/0x640
[  723.208319]  ? __x64_sys_futex+0x53e/0x6a0
[  723.212568]  ? find_held_lock+0x36/0x1c0
[  723.216641]  ? handle_mm_fault+0x42a/0xc70
[  723.220907]  ? lock_downgrade+0x900/0x900
[  723.225074]  ? check_preemption_disabled+0x48/0x280
[  723.230099]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  723.235032]  ? kasan_check_read+0x11/0x20
[  723.239185]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  723.244463]  ? rcu_softirq_qs+0x20/0x20
[  723.248441]  ? trace_hardirqs_off_caller+0x310/0x310
[  723.253545]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  723.259090]  ? check_preemption_disabled+0x48/0x280
[  723.264125]  handle_mm_fault+0x54f/0xc70
[  723.268210]  ? __handle_mm_fault+0x5be0/0x5be0
[  723.272800]  ? find_vma+0x34/0x190
[  723.276351]  __do_page_fault+0x5e8/0xe60
[  723.280413]  ? trace_hardirqs_off+0xb8/0x310
[  723.284817]  ? __ia32_sys_read+0xb0/0xb0
[  723.288888]  do_page_fault+0xf2/0x7e0
[  723.292693]  ? vmalloc_sync_all+0x30/0x30
[  723.296841]  ? error_entry+0x70/0xd0
[  723.300563]  ? trace_hardirqs_off_caller+0xbb/0x310
[  723.305602]  ? trace_hardirqs_on_caller+0xc0/0x310
[  723.310581]  ? syscall_return_slowpath+0x5e0/0x5e0
[  723.315508]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  723.320366]  ? trace_hardirqs_on_caller+0x310/0x310
[  723.325384]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  723.330842]  ? prepare_exit_to_usermode+0x291/0x3b0
[  723.335859]  ? page_fault+0x8/0x30
[  723.339405]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  723.344283]  ? page_fault+0x8/0x30
[  723.347865]  page_fault+0x1e/0x30
[  723.351318] RIP: 0033:0x45ddf3
[  723.354525] Code: Bad RIP value.
[  723.357892] RSP: 002b:000000c420023ea0 EFLAGS: 00010202
[  723.363266] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
[  723.370560] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  723.377825] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  723.385089] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  723.392359] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
[  723.399653] warn_alloc_show_mem: 1 callbacks suppressed
[  723.399665] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304
[  723.399667] Mem-Info:
[  723.399697] active_anon:59588 inactive_anon:187 isolated_anon:0
[  723.399697]  active_file:13 inactive_file:14 isolated_file:0
[  723.399697]  unevictable:0 dirty:0 writeback:0 unstable:0
[  723.399697]  slab_reclaimable:10147 slab_unreclaimable:1445690
[  723.399697]  mapped:49154 shmem:244 pagetables:690 bounce:0
[  723.399697]  free:13773 free_pcp:174 free_cma:0
[  723.405033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  723.405041] Call Trace:
[  723.412330] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  723.414731]  <IRQ>
[  723.447689] 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
[  723.457063]  dump_stack+0x244/0x39d
[  723.459613] lowmem_reserve[]: 0 2818 6321 6321
[  723.487112]  ? dump_stack_print_info.cold.1+0x20/0x20
[  723.489237] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  723.515354]  warn_alloc.cold.116+0xb7/0x1bd
[  723.518948] lowmem_reserve[]: 0 0 3503 3503
[  723.523524]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  723.528692] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB
[  723.556200]  ? lock_downgrade+0x900/0x900
[  723.560500] lowmem_reserve[]: 0 0 0 0
[  723.564825]  ? trace_hardirqs_off+0xb8/0x310
[  723.569656] 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
[  723.598562]  ? trace_hardirqs_off+0xb8/0x310
[  723.602692] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
[  723.606497]  __alloc_pages_slowpath+0x2651/0x2de0
[  723.610873] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  723.624418]  ? warn_alloc+0x120/0x120
[  723.628783] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  723.644723]  ? print_usage_bug+0xc0/0xc0
[  723.649545] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  723.663148]  ? warn_alloc+0x120/0x120
[  723.666928] 271 total pagecache pages
[  723.675756]  ? warn_alloc+0x120/0x120
[  723.679802] 0 pages in swap cache
[  723.688382]  ? print_usage_bug+0xc0/0xc0
[  723.692171] Swap cache stats: add 0, delete 0, find 0/0
[  723.695965]  ? kvm_clock_read+0x18/0x30
[  723.699742] Free swap  = 0kB
[  723.703188]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  723.707223] Total swap = 0kB
[  723.712580]  ? print_usage_bug+0xc0/0xc0
[  723.716530] 1965979 pages RAM
[  723.719553]  ? __lock_acquire+0x62f/0x4c20
[  723.724546] 0 pages HighMem/MovableOnly
[  723.727573]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  723.731615] 342854 pages reserved
[  723.734713]  ? should_fail+0x22d/0xd01
[  723.738939] 0 pages cma reserved
[  723.742923]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  723.748508] aoe: skb alloc failure
[  723.751887]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  723.755866] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  723.759163]  ? __lock_acquire+0x62f/0x4c20
[  723.764413] syz-fuzzer cpuset=/ mems_allowed=0
[  723.767945]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  723.797116]  ? __lock_acquire+0x62f/0x4c20
[  723.801386]  ? should_fail+0x22d/0xd01
[  723.805272]  ? rcu_irq_exit+0x1a2/0x390
[  723.809263]  ? mark_held_locks+0x130/0x130
[  723.813511]  ? mark_held_locks+0x130/0x130
[  723.817754]  ? mark_held_locks+0xc7/0x130
[  723.821901]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  723.826916]  ? zap_class+0x640/0x640
[  723.830630]  ? print_usage_bug+0xc0/0xc0
[  723.834701]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  723.840241]  ? check_preemption_disabled+0x48/0x280
[  723.845269]  ? __lock_is_held+0xb5/0x140
[  723.849346]  __alloc_pages_nodemask+0xad8/0xea0
[  723.854020]  ? zap_class+0x640/0x640
[  723.857744]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  723.862774]  ? find_held_lock+0x36/0x1c0
[  723.866851]  ? ____cache_alloc_node+0x1c7/0x1e0
[  723.871526]  ? lock_downgrade+0x900/0x900
[  723.875682]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  723.881226]  cache_grow_begin+0xa5/0x8c0
[  723.885288]  ? do_raw_spin_unlock+0xa7/0x330
[  723.889718]  fallback_alloc+0x204/0x2e0
[  723.893705]  ____cache_alloc_node+0x1c7/0x1e0
[  723.898209]  kmem_cache_alloc_node+0xe3/0x730
[  723.902709]  ? ipv6_get_ifaddr+0x42e/0x620
[  723.906958]  __alloc_skb+0x119/0x770
[  723.910670]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  723.915953]  ? netdev_alloc_frag+0x1f0/0x1f0
[  723.920364]  ? lock_downgrade+0x900/0x900
[  723.924521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  723.930069]  ? refcount_sub_and_test_checked+0x203/0x310
[  723.935526]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  723.940980]  ? addrconf_rs_timer+0x690/0x690
[  723.945406]  ndisc_alloc_skb+0x144/0x340
[  723.949473]  ndisc_send_rs+0x331/0x6e0
[  723.953370]  addrconf_rs_timer+0x314/0x690
[  723.957619]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  723.961867]  call_timer_fn+0x272/0x920
[  723.965931]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  723.970197]  ? process_timeout+0x40/0x40
[  723.974267]  ? __run_timers+0x7da/0xc70
[  723.978250]  ? _raw_spin_unlock_irq+0x27/0x80
[  723.982748]  ? _raw_spin_unlock_irq+0x27/0x80
[  723.987248]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  723.991492]  ? lockdep_hardirqs_on+0x296/0x5b0
[  723.996082]  ? trace_hardirqs_on+0xbd/0x310
[  724.000409]  ? kasan_check_read+0x11/0x20
[  724.004561]  ? __run_timers+0x7da/0xc70
[  724.008539]  ? trace_hardirqs_off_caller+0x310/0x310
[  724.013652]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  724.017891]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  724.022126]  __run_timers+0x7e5/0xc70
[  724.025981]  ? timer_fixup_init+0x70/0x70
[  724.030139]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  724.035164]  ? zap_class+0x640/0x640
[  724.038888]  ? enqueue_hrtimer+0x1a5/0x560
[  724.043124]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  724.048331]  ? find_held_lock+0x36/0x1c0
[  724.052430]  ? zap_class+0x640/0x640
[  724.056151]  ? pvclock_read_flags+0x160/0x160
[  724.060752]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  724.066314]  ? check_preemption_disabled+0x48/0x280
[  724.071342]  ? __lock_is_held+0xb5/0x140
[  724.075405]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  724.080943]  ? check_preemption_disabled+0x48/0x280
[  724.085967]  run_timer_softirq+0x52/0xb0
[  724.090080]  ? rcu_read_lock_sched_held+0x14f/0x180
[  724.095604]  __do_softirq+0x308/0xb7e
[  724.099416]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  724.103912]  ? lock_downgrade+0x900/0x900
[  724.108069]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  724.113197]  ? pvclock_read_flags+0x160/0x160
[  724.117726]  ? lapic_next_event+0x5a/0x90
[  724.121882]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  724.127424]  ? kvm_clock_read+0x18/0x30
[  724.131401]  ? kvm_sched_clock_read+0x9/0x20
[  724.135813]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  724.141351]  ? check_preemption_disabled+0x48/0x280
[  724.146382]  irq_exit+0x17f/0x1c0
[  724.149839]  smp_apic_timer_interrupt+0x1cb/0x760
[  724.154681]  ? smp_reschedule_interrupt+0x109/0x650
[  724.159698]  ? smp_call_function_single_interrupt+0x650/0x650
[  724.165586]  ? interrupt_entry+0xb5/0xc0
[  724.169648]  ? trace_hardirqs_off_caller+0xbb/0x310
[  724.174664]  ? trace_hardirqs_off_caller+0xbb/0x310
[  724.179681]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  724.184526]  ? trace_hardirqs_on_caller+0x310/0x310
[  724.189545]  ? trace_hardirqs_on_caller+0x310/0x310
[  724.194577]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  724.199430]  apic_timer_interrupt+0xf/0x20
[  724.203658]  </IRQ>
[  724.205901] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  724.211789] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
[  724.230690] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  724.238396] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  724.245662] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286
[  724.252928] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000
[  724.260195] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40
[  724.267498] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286
[  724.274827]  ? save_stack+0xa9/0xd0
[  724.278466]  __kmalloc_node_track_caller+0x3c/0x70
[  724.283401]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  724.288169]  pskb_expand_head+0x230/0x10f0
[  724.292408]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  724.297867]  ? memcpy+0x45/0x50
[  724.301152]  ? __copy_skb_header+0x350/0x6b0
[  724.305561]  ? skb_release_data+0x880/0x880
[  724.309883]  ? __alloc_skb+0x770/0x770
[  724.313782]  ? __lock_is_held+0xb5/0x140
[  724.317854]  ? kasan_check_write+0x14/0x20
[  724.322093]  ? __skb_clone+0x6c7/0xa00
[  724.325983]  ? __copy_skb_header+0x6b0/0x6b0
[  724.330391]  ? kmem_cache_alloc+0x33a/0x730
[  724.334719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  724.340265]  skb_ensure_writable+0x3dd/0x640
[  724.344684]  ? skb_checksum_setup+0xaa0/0xaa0
[  724.349185]  ? preempt_notifier_register+0x200/0x200
[  724.354288]  ? __switch_to_asm+0x34/0x70
[  724.358362]  ? __switch_to_asm+0x34/0x70
[  724.362422]  ? __switch_to_asm+0x40/0x70
[  724.366479]  ? __switch_to_asm+0x34/0x70
[  724.370537]  ? __switch_to_asm+0x40/0x70
[  724.374601]  ? __switch_to_asm+0x40/0x70
[  724.378662]  ? __switch_to_asm+0x34/0x70
[  724.382723]  ? __switch_to_asm+0x34/0x70
[  724.386790]  ? __switch_to_asm+0x40/0x70
[  724.390853]  ? __switch_to_asm+0x34/0x70
[  724.394918]  bpf_clone_redirect+0x14a/0x490
[  724.399256]  bpf_prog_12ab75334035c288+0xfcd/0x1000
[  724.404280]  ? __sched_text_start+0x8/0x8
[  724.408456]  ? retint_kernel+0x2d/0x2d
[  724.412362]  ? find_held_lock+0x36/0x1c0
[  724.416433]  ? lock_acquire+0x1ed/0x520
[  724.420410]  ? bpf_test_run+0x3cb/0x780
[  724.424392]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  724.429932]  ? check_preemption_disabled+0x48/0x280
[  724.434955]  ? kasan_check_read+0x11/0x20
[  724.439107]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  724.444385]  ? rcu_softirq_qs+0x20/0x20
[  724.448367]  ? preempt_schedule+0x4d/0x60
[  724.452518]  ? ___preempt_schedule+0x16/0x18
[  724.456935]  ? bpf_test_run+0x25d/0x780
[  724.460923]  ? netlink_diag_dump+0x2a0/0x2a0
[  724.465339]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  724.470878]  ? bpf_test_init.isra.10+0x70/0x100
[  724.475552]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  724.480341]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  724.485183]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  724.490727]  ? fput+0x130/0x1a0
[  724.494021]  ? __bpf_prog_get+0x9b/0x290
[  724.498094]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  724.502936]  ? bpf_prog_test_run+0x130/0x1a0
[  724.507351]  ? __x64_sys_bpf+0x3d8/0x520
[  724.511418]  ? bpf_prog_get+0x20/0x20
[  724.515245]  ? do_syscall_64+0x1b9/0x820
[  724.519314]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  724.524685]  ? syscall_return_slowpath+0x5e0/0x5e0
[  724.529618]  ? trace_hardirqs_on_caller+0x310/0x310
[  724.534640]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  724.539660]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  724.546327]  ? __switch_to_asm+0x40/0x70
[  724.550384]  ? __switch_to_asm+0x34/0x70
[  724.554451]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  724.559314]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  724.564701] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
[  724.564771] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  724.571714] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  724.571723] Call Trace:
[  724.578317] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  724.587538]  <IRQ>
[  724.590110] syz-executor3 cpuset=syz3 mems_allowed=0
[  724.600601]  dump_stack+0x244/0x39d
[  724.611440]  ? dump_stack_print_info.cold.1+0x20/0x20
[  724.616645]  warn_alloc.cold.116+0xb7/0x1bd
[  724.620971]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  724.625822]  ? lock_downgrade+0x900/0x900
[  724.629978]  ? trace_hardirqs_off+0xb8/0x310
[  724.634394]  ? trace_hardirqs_off+0xb8/0x310
[  724.638814]  __alloc_pages_slowpath+0x2651/0x2de0
[  724.643688]  ? warn_alloc+0x120/0x120
[  724.647506]  ? warn_alloc+0x120/0x120
[  724.651334]  ? warn_alloc+0x120/0x120
[  724.655152]  ? print_usage_bug+0xc0/0xc0
[  724.659246]  ? print_usage_bug+0xc0/0xc0
[  724.663314]  ? ktime_get+0x2c1/0x400
[  724.667036]  ? check_preemption_disabled+0x48/0x280
[  724.672049]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  724.676549]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  724.682098]  ? should_fail+0x22d/0xd01
[  724.685990]  ? kasan_check_read+0x11/0x20
[  724.690139]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  724.695248]  ? __lock_acquire+0x62f/0x4c20
[  724.699489]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  724.704592]  ? should_fail+0x22d/0xd01
[  724.708484]  ? print_usage_bug+0xc0/0xc0
[  724.712560]  ? mark_held_locks+0x130/0x130
[  724.716822]  ? mark_held_locks+0x130/0x130
[  724.721060]  ? check_preemption_disabled+0x48/0x280
[  724.726100]  ? zap_class+0x640/0x640
[  724.729817]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  724.734586]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  724.740123]  ? check_preemption_disabled+0x48/0x280
[  724.745147]  ? __lock_is_held+0xb5/0x140
[  724.749219]  __alloc_pages_nodemask+0xad8/0xea0
[  724.753892]  ? zap_class+0x640/0x640
[  724.757653]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  724.762681]  ? find_held_lock+0x36/0x1c0
[  724.766766]  ? ____cache_alloc_node+0x1c7/0x1e0
[  724.771442]  ? lock_downgrade+0x900/0x900
[  724.775615]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  724.781156]  cache_grow_begin+0xa5/0x8c0
[  724.785218]  ? do_raw_spin_unlock+0xa7/0x330
[  724.789636]  fallback_alloc+0x204/0x2e0
[  724.793620]  ____cache_alloc_node+0x1c7/0x1e0
[  724.798121]  kmem_cache_alloc_node+0xe3/0x730
[  724.802620]  ? lockdep_hardirqs_on+0x296/0x5b0
[  724.807211]  __alloc_skb+0x119/0x770
[  724.810933]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  724.816309]  ? netdev_alloc_frag+0x1f0/0x1f0
[  724.820740]  ? vprintk_default+0x28/0x30
[  724.824802]  ? vprintk_func+0x85/0x181
[  724.828705]  ? printk+0xa7/0xcf
[  724.831997]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  724.836762]  new_skb+0x26/0x1c0
[  724.840087]  aoecmd_cfg+0x279/0x7f0
[  724.843722]  ? find_held_lock+0x36/0x1c0
[  724.847781]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  724.852126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  724.857675]  ? __lock_is_held+0xb5/0x140
[  724.861752]  discover_timer+0x50/0x60
[  724.865560]  call_timer_fn+0x272/0x920
[  724.869454]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  724.874306]  ? process_timeout+0x40/0x40
[  724.878381]  ? mark_held_locks+0xc7/0x130
[  724.882530]  ? _raw_spin_unlock_irq+0x27/0x80
[  724.887030]  ? _raw_spin_unlock_irq+0x27/0x80
[  724.891527]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  724.896371]  ? lockdep_hardirqs_on+0x296/0x5b0
[  724.900955]  ? trace_hardirqs_on+0xbd/0x310
[  724.905279]  ? kasan_check_read+0x11/0x20
[  724.909433]  ? __run_timers+0x7da/0xc70
[  724.913412]  ? trace_hardirqs_off_caller+0x310/0x310
[  724.918530]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  724.923379]  __run_timers+0x7e5/0xc70
[  724.927190]  ? timer_fixup_init+0x70/0x70
[  724.931340]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  724.936356]  ? zap_class+0x640/0x640
[  724.940081]  ? print_usage_bug+0xc0/0xc0
[  724.944147]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  724.949343]  ? find_held_lock+0x36/0x1c0
[  724.953408]  ? zap_class+0x640/0x640
[  724.957131]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  724.962675]  ? check_preemption_disabled+0x48/0x280
[  724.967701]  ? __lock_is_held+0xb5/0x140
[  724.971769]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  724.977316]  ? check_preemption_disabled+0x48/0x280
[  724.982340]  run_timer_softirq+0x52/0xb0
[  724.986404]  ? rcu_read_lock_sched_held+0x14f/0x180
[  724.991423]  __do_softirq+0x308/0xb7e
[  724.995233]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  724.999728]  ? lock_downgrade+0x900/0x900
[  725.003879]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  725.008991]  ? pvclock_read_flags+0x160/0x160
[  725.013490]  ? lapic_next_event+0x5a/0x90
[  725.017641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  725.023184]  ? kvm_clock_read+0x18/0x30
[  725.027176]  ? kvm_sched_clock_read+0x9/0x20
[  725.031598]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  725.037137]  ? check_preemption_disabled+0x48/0x280
[  725.042162]  irq_exit+0x17f/0x1c0
[  725.045617]  smp_apic_timer_interrupt+0x1cb/0x760
[  725.050464]  ? smp_call_function_single_interrupt+0x159/0x650
[  725.056392]  ? smp_call_function_single_interrupt+0x650/0x650
[  725.062274]  ? interrupt_entry+0xb5/0xc0
[  725.066345]  ? trace_hardirqs_off_caller+0xbb/0x310
[  725.071379]  ? trace_hardirqs_off_caller+0xbb/0x310
[  725.076483]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  725.081334]  ? trace_hardirqs_on_caller+0x310/0x310
[  725.086353]  ? trace_hardirqs_on_caller+0x310/0x310
[  725.091374]  ? task_prio+0x50/0x50
[  725.094920]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  725.100464]  ? check_preemption_disabled+0x48/0x280
[  725.105489]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  725.110341]  apic_timer_interrupt+0xf/0x20
[  725.114591]  </IRQ>
[  725.116832] RIP: 0010:rcu_is_watching+0x0/0x30
[  725.121418] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
[  725.140323] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  725.148281] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
[  725.155559] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
[  725.162827] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
[  725.170107] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
[  725.177388] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  725.184679]  ? list_lru_count_one+0x253/0x450
[  725.189172]  ? list_lru_count_one+0x35d/0x450
[  725.193672]  ? list_lru_count_one+0x362/0x450
[  725.198167]  ? list_lru_isolate_move+0x3c0/0x3c0
[  725.202919]  ? shmem_free_inode+0xd0/0xd0
[  725.207084]  ? __lock_is_held+0xb5/0x140
[  725.211154]  super_cache_count+0x1b9/0x2e0
[  725.215394]  do_shrink_slab+0x1b1/0xd30
[  725.219380]  ? snapshot_refaults+0x290/0x290
[  725.223791]  ? lock_release+0xa00/0xa00
[  725.227777]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  725.232721]  ? down_read_trylock+0xda/0x140
[  725.237039]  ? shrink_slab+0x207/0x8c0
[  725.240931]  ? downgrade_write+0x270/0x270
[  725.245181]  shrink_slab+0x389/0x8c0
[  725.248895]  ? shrink_active_list+0x1f00/0x1f00
[  725.253579]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  725.259210]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  725.264329]  ? cgroup_procs_write_finish+0xf0/0xf0
[  725.269263]  ? find_held_lock+0x36/0x1c0
[  725.273340]  shrink_node+0x431/0x16b0
[  725.277152]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  725.282457]  ? shrink_node_memcg+0x18f0/0x18f0
[  725.287044]  ? kvm_clock_read+0x18/0x30
[  725.291022]  ? ktime_get+0x2c1/0x400
[  725.294744]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  725.299243]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  725.304803]  ? __cpuset_node_allowed+0x19b/0x660
[  725.309566]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  725.315333]  ? delayacct_end+0x5a/0x100
[  725.319328]  do_try_to_free_pages+0x3e7/0x1290
[  725.323908]  ? zap_class+0x640/0x640
[  725.327652]  ? shrink_node+0x16b0/0x16b0
[  725.331714]  ? __lock_is_held+0xb5/0x140
[  725.335803]  try_to_free_pages+0x4d0/0xb90
[  725.340039]  ? do_try_to_free_pages+0x1290/0x1290
[  725.344899]  ? lock_acquire+0x1ed/0x520
[  725.348872]  ? set_page_refcounted+0x280/0x280
[  725.353457]  ? lock_release+0xa00/0xa00
[  725.357437]  ? _raw_spin_unlock_irq+0x60/0x80
[  725.361932]  ? psi_memstall_enter+0x240/0x2b0
[  725.366427]  ? psi_memstall_tick+0x230/0x230
[  725.370851]  __alloc_pages_slowpath+0xa48/0x2de0
[  725.375635]  ? warn_alloc+0x120/0x120
[  725.379433]  ? mark_held_locks+0x130/0x130
[  725.383673]  ? find_get_entry+0xaae/0x1120
[  725.387916]  ? filemap_map_pages+0x1a20/0x1a20
[  725.392503]  ? zap_class+0x640/0x640
[  725.396222]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  725.401771]  ? check_preemption_disabled+0x48/0x280
[  725.406795]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  725.412339]  ? should_fail+0x22d/0xd01
[  725.416235]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  725.421340]  ? zap_class+0x640/0x640
[  725.425081]  ? __lock_is_held+0xb5/0x140
[  725.429154]  ? mark_held_locks+0x130/0x130
[  725.433394]  ? lock_release+0xa00/0xa00
[  725.437370]  ? perf_trace_sched_process_exec+0x860/0x860
[  725.442843]  ? xa_load+0x2ba/0x460
[  725.446390]  ? lock_downgrade+0x900/0x900
[  725.450544]  ? __might_sleep+0x95/0x190
[  725.454533]  __alloc_pages_nodemask+0xad8/0xea0
[  725.459217]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  725.464234]  ? __page_cache_alloc+0x191/0x5c0
[  725.468729]  ? xa_load+0x2e1/0x460
[  725.472267]  ? xa_clear_mark+0x40/0x40
[  725.476168]  ? zap_class+0x640/0x640
[  725.479888]  ? zap_class+0x640/0x640
[  725.483600]  ? zap_class+0x640/0x640
[  725.487332]  ? __do_page_cache_readahead+0x663/0x810
[  725.492443]  ? find_held_lock+0x36/0x1c0
[  725.496515]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  725.502074]  alloc_pages_current+0x173/0x350
[  725.506497]  __page_cache_alloc+0x38c/0x5c0
[  725.510817]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  725.515752]  ? kasan_check_read+0x11/0x20
[  725.519897]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  725.525189]  ? generic_perform_write+0x6a0/0x6a0
[  725.529966]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  725.535506]  ? check_preemption_disabled+0x48/0x280
[  725.540538]  filemap_fault+0x1595/0x25f0
[  725.544616]  ? __lock_page_or_retry+0xa00/0xa00
[  725.549299]  ? mark_held_locks+0x130/0x130
[  725.553549]  ? filemap_map_pages+0xd6b/0x1a20
[  725.558060]  ? lock_downgrade+0x900/0x900
[  725.562211]  ? check_preemption_disabled+0x48/0x280
[  725.567233]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  725.572165]  ? kasan_check_read+0x11/0x20
[  725.576320]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  725.581597]  ? rcu_softirq_qs+0x20/0x20
[  725.585592]  ? filemap_map_pages+0xd92/0x1a20
[  725.590104]  ? find_get_entries_tag+0x1400/0x1400
[  725.594952]  ? debug_object_destroy+0x2b0/0x2b0
[  725.599624]  ? lock_pi_update_atomic+0x150/0x150
[  725.604379]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  725.609931]  ? lock_acquire+0x1ed/0x520
[  725.613914]  ? ext4_filemap_fault+0x7a/0xad
[  725.618244]  ? lock_release+0xa00/0xa00
[  725.622215]  ? perf_trace_sched_process_exec+0x860/0x860
[  725.627666]  ? print_usage_bug+0xc0/0xc0
[  725.631729]  ? print_usage_bug+0xc0/0xc0
[  725.635805]  ? down_read+0x8d/0x120
[  725.639432]  ? ext4_filemap_fault+0x7a/0xad
[  725.643763]  ? __down_interruptible+0x700/0x700
[  725.648442]  ext4_filemap_fault+0x82/0xad
[  725.652593]  __do_fault+0x100/0x6b0
[  725.656218]  ? release_sock+0x1ec/0x2c0
[  725.660198]  ? pmd_devmap_trans_unstable+0x220/0x220
[  725.665314]  ? mark_held_locks+0x130/0x130
[  725.669560]  ? mark_held_locks+0x130/0x130
[  725.673791]  ? lock_sock_nested+0x9a/0x120
[  725.678029]  ? __release_sock+0x3a0/0x3a0
[  725.682181]  ? __local_bh_enable_ip+0x160/0x260
[  725.686857]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  725.692403]  __handle_mm_fault+0x3ea0/0x5be0
[  725.696822]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  725.701667]  ? apparmor_socket_sendmsg+0x29/0x30
[  725.706427]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  725.711967]  ? security_socket_sendmsg+0x94/0xc0
[  725.716729]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  725.722301]  ? zap_class+0x640/0x640
[  725.726017]  ? zap_class+0x640/0x640
[  725.729732]  ? __x64_sys_futex+0x53e/0x6a0
[  725.733972]  ? find_held_lock+0x36/0x1c0
[  725.738044]  ? handle_mm_fault+0x42a/0xc70
[  725.742280]  ? lock_downgrade+0x900/0x900
[  725.746442]  ? check_preemption_disabled+0x48/0x280
[  725.751464]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  725.756398]  ? kasan_check_read+0x11/0x20
[  725.760548]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  725.765833]  ? rcu_softirq_qs+0x20/0x20
[  725.769811]  ? trace_hardirqs_off_caller+0x310/0x310
[  725.774930]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  725.780469]  ? check_preemption_disabled+0x48/0x280
[  725.785502]  handle_mm_fault+0x54f/0xc70
[  725.789584]  ? __handle_mm_fault+0x5be0/0x5be0
[  725.794177]  ? find_vma+0x34/0x190
[  725.797728]  __do_page_fault+0x5e8/0xe60
[  725.801793]  ? trace_hardirqs_off+0xb8/0x310
[  725.806202]  ? __ia32_sys_read+0xb0/0xb0
[  725.810276]  do_page_fault+0xf2/0x7e0
[  725.814089]  ? vmalloc_sync_all+0x30/0x30
[  725.818245]  ? error_entry+0x70/0xd0
[  725.821965]  ? trace_hardirqs_off_caller+0xbb/0x310
[  725.826979]  ? trace_hardirqs_on_caller+0xc0/0x310
[  725.831912]  ? syscall_return_slowpath+0x5e0/0x5e0
[  725.836842]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  725.841690]  ? trace_hardirqs_on_caller+0x310/0x310
[  725.846704]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  725.852161]  ? prepare_exit_to_usermode+0x291/0x3b0
[  725.857177]  ? page_fault+0x8/0x30
[  725.860721]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  725.865570]  ? page_fault+0x8/0x30
[  725.869115]  page_fault+0x1e/0x30
[  725.872577] RIP: 0033:0x45ddf3
[  725.875783] Code: Bad RIP value.
[  725.879147] RSP: 002b:000000c420023ea0 EFLAGS: 00010202
[  725.884507] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
[  725.891775] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  725.899043] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  725.906318] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  725.913588] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
[  725.920889] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304
[  725.920895] warn_alloc_show_mem: 1 callbacks suppressed
[  725.920902] Mem-Info:
[  725.928179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  725.933557] active_anon:59588 inactive_anon:187 isolated_anon:0
[  725.933557]  active_file:13 inactive_file:14 isolated_file:0
[  725.933557]  unevictable:0 dirty:0 writeback:0 unstable:0
[  725.933557]  slab_reclaimable:10147 slab_unreclaimable:1445690
[  725.933557]  mapped:49154 shmem:244 pagetables:690 bounce:0
[  725.933557]  free:13773 free_pcp:174 free_cma:0
[  725.935928] Call Trace:
[  725.945326] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  725.978461]  <IRQ>
[  725.981044] 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
[  726.008560]  dump_stack+0x244/0x39d
[  726.010694] lowmem_reserve[]: 0 2818 6321 6321
[  726.036814]  ? dump_stack_print_info.cold.1+0x20/0x20
[  726.040418] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  726.045010]  warn_alloc.cold.116+0xb7/0x1bd
[  726.050162] lowmem_reserve[]: 0 0 3503 3503
[  726.077671]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  726.081968] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB
[  726.086298]  ? lock_downgrade+0x900/0x900
[  726.091116] lowmem_reserve[]: 0 0 0 0
[  726.120524]  ? trace_hardirqs_off+0xb8/0x310
[  726.124652] 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
[  726.128456]  ? trace_hardirqs_off+0xb8/0x310
[  726.132835] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
[  726.146359]  __alloc_pages_slowpath+0x2651/0x2de0
[  726.150736] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  726.166718]  ? warn_alloc+0x120/0x120
[  726.171525] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  726.185127]  ? print_usage_bug+0xc0/0xc0
[  726.188904] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  726.197733]  ? warn_alloc+0x120/0x120
[  726.201770] 271 total pagecache pages
[  726.210341]  ? warn_alloc+0x120/0x120
[  726.214130] 0 pages in swap cache
[  726.217917]  ? print_usage_bug+0xc0/0xc0
[  726.221693] Swap cache stats: add 0, delete 0, find 0/0
[  726.225140]  ? kvm_clock_read+0x18/0x30
[  726.229177] Free swap  = 0kB
[  726.234564]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  726.238521] Total swap = 0kB
[  726.241532]  ? print_usage_bug+0xc0/0xc0
[  726.246526] 1965979 pages RAM
[  726.249543]  ? __lock_acquire+0x62f/0x4c20
[  726.253582] 0 pages HighMem/MovableOnly
[  726.256682]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  726.260887] 342854 pages reserved
[  726.264865]  ? should_fail+0x22d/0xd01
[  726.270377] 0 pages cma reserved
[  726.273822]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  726.277765] aoe: skb alloc failure
[  726.281050]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  726.286368] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  726.289843]  ? __lock_acquire+0x62f/0x4c20
[  726.294926] syz-fuzzer cpuset=/ mems_allowed=0
[  726.305250]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  726.319120]  ? __lock_acquire+0x62f/0x4c20
[  726.323361]  ? should_fail+0x22d/0xd01
[  726.327244]  ? rcu_irq_exit+0x1a2/0x390
[  726.331232]  ? mark_held_locks+0x130/0x130
[  726.335471]  ? mark_held_locks+0x130/0x130
[  726.339725]  ? mark_held_locks+0xc7/0x130
[  726.343876]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  726.348891]  ? zap_class+0x640/0x640
[  726.352607]  ? print_usage_bug+0xc0/0xc0
[  726.356678]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  726.362222]  ? check_preemption_disabled+0x48/0x280
[  726.367252]  ? __lock_is_held+0xb5/0x140
[  726.371332]  __alloc_pages_nodemask+0xad8/0xea0
[  726.376001]  ? zap_class+0x640/0x640
[  726.379722]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  726.384755]  ? find_held_lock+0x36/0x1c0
[  726.388828]  ? ____cache_alloc_node+0x1c7/0x1e0
[  726.393506]  ? lock_downgrade+0x900/0x900
[  726.397662]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  726.403209]  cache_grow_begin+0xa5/0x8c0
[  726.407272]  ? do_raw_spin_unlock+0xa7/0x330
[  726.411702]  fallback_alloc+0x204/0x2e0
[  726.415684]  ____cache_alloc_node+0x1c7/0x1e0
[  726.420185]  kmem_cache_alloc_node+0xe3/0x730
[  726.424682]  ? ipv6_get_ifaddr+0x42e/0x620
[  726.428930]  __alloc_skb+0x119/0x770
[  726.432642]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  726.437925]  ? netdev_alloc_frag+0x1f0/0x1f0
[  726.442341]  ? lock_downgrade+0x900/0x900
[  726.446501]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  726.452039]  ? refcount_sub_and_test_checked+0x203/0x310
[  726.457503]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  726.462955]  ? addrconf_rs_timer+0x690/0x690
[  726.467378]  ndisc_alloc_skb+0x144/0x340
[  726.471486]  ndisc_send_rs+0x331/0x6e0
[  726.475384]  addrconf_rs_timer+0x314/0x690
[  726.479624]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  726.483872]  call_timer_fn+0x272/0x920
[  726.487760]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  726.491994]  ? process_timeout+0x40/0x40
[  726.496070]  ? __run_timers+0x7da/0xc70
[  726.500048]  ? _raw_spin_unlock_irq+0x27/0x80
[  726.504552]  ? _raw_spin_unlock_irq+0x27/0x80
[  726.509046]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  726.513288]  ? lockdep_hardirqs_on+0x296/0x5b0
[  726.517884]  ? trace_hardirqs_on+0xbd/0x310
[  726.522207]  ? kasan_check_read+0x11/0x20
[  726.526356]  ? __run_timers+0x7da/0xc70
[  726.530337]  ? trace_hardirqs_off_caller+0x310/0x310
[  726.535455]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  726.539701]  __run_timers+0x7e5/0xc70
[  726.543517]  ? timer_fixup_init+0x70/0x70
[  726.547666]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  726.552685]  ? zap_class+0x640/0x640
[  726.556405]  ? enqueue_hrtimer+0x1a5/0x560
[  726.560647]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  726.565845]  ? find_held_lock+0x36/0x1c0
[  726.569916]  ? zap_class+0x640/0x640
[  726.573639]  ? pvclock_read_flags+0x160/0x160
[  726.578155]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  726.583714]  ? check_preemption_disabled+0x48/0x280
[  726.588740]  ? __lock_is_held+0xb5/0x140
[  726.592806]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  726.598346]  ? check_preemption_disabled+0x48/0x280
[  726.603367]  run_timer_softirq+0x52/0xb0
[  726.607430]  ? rcu_read_lock_sched_held+0x14f/0x180
[  726.612447]  __do_softirq+0x308/0xb7e
[  726.616256]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  726.620749]  ? lock_downgrade+0x900/0x900
[  726.624904]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  726.630021]  ? pvclock_read_flags+0x160/0x160
[  726.634523]  ? lapic_next_event+0x5a/0x90
[  726.638685]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  726.644228]  ? kvm_clock_read+0x18/0x30
[  726.648202]  ? kvm_sched_clock_read+0x9/0x20
[  726.652615]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  726.658154]  ? check_preemption_disabled+0x48/0x280
[  726.663189]  irq_exit+0x17f/0x1c0
[  726.666647]  smp_apic_timer_interrupt+0x1cb/0x760
[  726.671496]  ? smp_reschedule_interrupt+0x109/0x650
[  726.676513]  ? smp_call_function_single_interrupt+0x650/0x650
[  726.682411]  ? interrupt_entry+0xb5/0xc0
[  726.686485]  ? trace_hardirqs_off_caller+0xbb/0x310
[  726.691505]  ? trace_hardirqs_off_caller+0xbb/0x310
[  726.696524]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  726.701368]  ? trace_hardirqs_on_caller+0x310/0x310
[  726.706388]  ? trace_hardirqs_on_caller+0x310/0x310
[  726.711420]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  726.716276]  apic_timer_interrupt+0xf/0x20
[  726.720518]  </IRQ>
[  726.722768] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  726.728656] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
[  726.747559] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  726.755271] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  726.762549] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286
[  726.769815] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000
[  726.777086] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40
[  726.784356] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286
[  726.791662]  ? save_stack+0xa9/0xd0
[  726.795309]  __kmalloc_node_track_caller+0x3c/0x70
[  726.800247]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  726.805014]  pskb_expand_head+0x230/0x10f0
[  726.809257]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  726.814724]  ? memcpy+0x45/0x50
[  726.818008]  ? __copy_skb_header+0x350/0x6b0
[  726.822418]  ? skb_release_data+0x880/0x880
[  726.826742]  ? __alloc_skb+0x770/0x770
[  726.830640]  ? __lock_is_held+0xb5/0x140
[  726.834710]  ? kasan_check_write+0x14/0x20
[  726.838945]  ? __skb_clone+0x6c7/0xa00
[  726.842838]  ? __copy_skb_header+0x6b0/0x6b0
[  726.847244]  ? kmem_cache_alloc+0x33a/0x730
[  726.851570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  726.857120]  skb_ensure_writable+0x3dd/0x640
[  726.861539]  ? skb_checksum_setup+0xaa0/0xaa0
[  726.866056]  ? preempt_notifier_register+0x200/0x200
[  726.871166]  ? __switch_to_asm+0x34/0x70
[  726.875226]  ? __switch_to_asm+0x34/0x70
[  726.879298]  ? __switch_to_asm+0x40/0x70
[  726.883357]  ? __switch_to_asm+0x34/0x70
[  726.887419]  ? __switch_to_asm+0x40/0x70
[  726.891481]  ? __switch_to_asm+0x40/0x70
[  726.895542]  ? __switch_to_asm+0x34/0x70
[  726.899602]  ? __switch_to_asm+0x34/0x70
[  726.903659]  ? __switch_to_asm+0x40/0x70
[  726.907716]  ? __switch_to_asm+0x34/0x70
[  726.911785]  bpf_clone_redirect+0x14a/0x490
[  726.916117]  bpf_prog_12ab75334035c288+0xfcd/0x1000
[  726.921136]  ? __sched_text_start+0x8/0x8
[  726.925287]  ? retint_kernel+0x2d/0x2d
[  726.929201]  ? find_held_lock+0x36/0x1c0
[  726.933284]  ? lock_acquire+0x1ed/0x520
[  726.937315]  ? bpf_test_run+0x3cb/0x780
[  726.941299]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  726.946839]  ? check_preemption_disabled+0x48/0x280
[  726.951865]  ? kasan_check_read+0x11/0x20
[  726.956017]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  726.961300]  ? rcu_softirq_qs+0x20/0x20
[  726.965279]  ? preempt_schedule+0x4d/0x60
[  726.969435]  ? ___preempt_schedule+0x16/0x18
[  726.973853]  ? bpf_test_run+0x25d/0x780
[  726.977848]  ? netlink_diag_dump+0x2a0/0x2a0
[  726.982270]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  726.987824]  ? bpf_test_init.isra.10+0x70/0x100
[  726.992507]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  726.997274]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  727.002123]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  727.007665]  ? fput+0x130/0x1a0
[  727.010951]  ? __bpf_prog_get+0x9b/0x290
[  727.015020]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  727.019865]  ? bpf_prog_test_run+0x130/0x1a0
[  727.024280]  ? __x64_sys_bpf+0x3d8/0x520
[  727.028348]  ? bpf_prog_get+0x20/0x20
[  727.032171]  ? do_syscall_64+0x1b9/0x820
[  727.036232]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  727.041600]  ? syscall_return_slowpath+0x5e0/0x5e0
[  727.046533]  ? trace_hardirqs_on_caller+0x310/0x310
[  727.051554]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  727.056576]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  727.063242]  ? __switch_to_asm+0x40/0x70
[  727.067321]  ? __switch_to_asm+0x34/0x70
[  727.071404]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  727.076257]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  727.081688] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
[  727.081757] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  727.088820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  727.088826] Call Trace:
[  727.088832]  <IRQ>
[  727.088850]  dump_stack+0x244/0x39d
[  727.088869]  ? dump_stack_print_info.cold.1+0x20/0x20
[  727.095522] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  727.104704]  warn_alloc.cold.116+0xb7/0x1bd
[  727.107258] syz-executor3 cpuset=syz3 mems_allowed=0
[  727.109402]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  727.142862]  ? lock_downgrade+0x900/0x900
[  727.147072]  ? trace_hardirqs_off+0xb8/0x310
[  727.151491]  ? trace_hardirqs_off+0xb8/0x310
[  727.155911]  __alloc_pages_slowpath+0x2651/0x2de0
[  727.160788]  ? warn_alloc+0x120/0x120
[  727.164599]  ? warn_alloc+0x120/0x120
[  727.168403]  ? warn_alloc+0x120/0x120
[  727.172207]  ? print_usage_bug+0xc0/0xc0
[  727.176272]  ? print_usage_bug+0xc0/0xc0
[  727.180341]  ? ktime_get+0x2c1/0x400
[  727.184065]  ? check_preemption_disabled+0x48/0x280
[  727.189097]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  727.193595]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  727.199131]  ? should_fail+0x22d/0xd01
[  727.203019]  ? kasan_check_read+0x11/0x20
[  727.207173]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  727.212282]  ? __lock_acquire+0x62f/0x4c20
[  727.216536]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  727.221647]  ? should_fail+0x22d/0xd01
[  727.225534]  ? print_usage_bug+0xc0/0xc0
[  727.229611]  ? mark_held_locks+0x130/0x130
[  727.233851]  ? mark_held_locks+0x130/0x130
[  727.238099]  ? check_preemption_disabled+0x48/0x280
[  727.243132]  ? zap_class+0x640/0x640
[  727.246849]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  727.251607]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  727.257145]  ? check_preemption_disabled+0x48/0x280
[  727.262178]  ? __lock_is_held+0xb5/0x140
[  727.266247]  __alloc_pages_nodemask+0xad8/0xea0
[  727.270926]  ? zap_class+0x640/0x640
[  727.274649]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  727.279680]  ? find_held_lock+0x36/0x1c0
[  727.283755]  ? ____cache_alloc_node+0x1c7/0x1e0
[  727.288423]  ? lock_downgrade+0x900/0x900
[  727.292587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  727.298148]  cache_grow_begin+0xa5/0x8c0
[  727.302237]  ? do_raw_spin_unlock+0xa7/0x330
[  727.306656]  fallback_alloc+0x204/0x2e0
[  727.310637]  ____cache_alloc_node+0x1c7/0x1e0
[  727.315140]  kmem_cache_alloc_node+0xe3/0x730
[  727.319641]  ? lockdep_hardirqs_on+0x296/0x5b0
[  727.324232]  __alloc_skb+0x119/0x770
[  727.327947]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  727.333333]  ? netdev_alloc_frag+0x1f0/0x1f0
[  727.337751]  ? vprintk_default+0x28/0x30
[  727.341814]  ? vprintk_func+0x85/0x181
[  727.345702]  ? printk+0xa7/0xcf
[  727.348985]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  727.353752]  new_skb+0x26/0x1c0
[  727.357035]  aoecmd_cfg+0x279/0x7f0
[  727.360667]  ? find_held_lock+0x36/0x1c0
[  727.364734]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  727.369065]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  727.374620]  ? __lock_is_held+0xb5/0x140
[  727.378694]  discover_timer+0x50/0x60
[  727.382493]  call_timer_fn+0x272/0x920
[  727.386381]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  727.391226]  ? process_timeout+0x40/0x40
[  727.395307]  ? mark_held_locks+0xc7/0x130
[  727.399462]  ? _raw_spin_unlock_irq+0x27/0x80
[  727.403957]  ? _raw_spin_unlock_irq+0x27/0x80
[  727.408456]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  727.413306]  ? lockdep_hardirqs_on+0x296/0x5b0
[  727.417898]  ? trace_hardirqs_on+0xbd/0x310
[  727.422224]  ? kasan_check_read+0x11/0x20
[  727.426372]  ? __run_timers+0x7da/0xc70
[  727.430350]  ? trace_hardirqs_off_caller+0x310/0x310
[  727.435467]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  727.440317]  __run_timers+0x7e5/0xc70
[  727.444132]  ? timer_fixup_init+0x70/0x70
[  727.448282]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  727.453318]  ? zap_class+0x640/0x640
[  727.457040]  ? print_usage_bug+0xc0/0xc0
[  727.461104]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  727.466308]  ? find_held_lock+0x36/0x1c0
[  727.470377]  ? zap_class+0x640/0x640
[  727.474097]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  727.479636]  ? check_preemption_disabled+0x48/0x280
[  727.484666]  ? __lock_is_held+0xb5/0x140
[  727.488730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  727.494268]  ? check_preemption_disabled+0x48/0x280
[  727.499304]  run_timer_softirq+0x52/0xb0
[  727.503368]  ? rcu_read_lock_sched_held+0x14f/0x180
[  727.508390]  __do_softirq+0x308/0xb7e
[  727.512197]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  727.516690]  ? lock_downgrade+0x900/0x900
[  727.520842]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  727.525968]  ? pvclock_read_flags+0x160/0x160
[  727.530466]  ? lapic_next_event+0x5a/0x90
[  727.534619]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  727.540166]  ? kvm_clock_read+0x18/0x30
[  727.544142]  ? kvm_sched_clock_read+0x9/0x20
[  727.548557]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  727.554096]  ? check_preemption_disabled+0x48/0x280
[  727.559131]  irq_exit+0x17f/0x1c0
[  727.562588]  smp_apic_timer_interrupt+0x1cb/0x760
[  727.567430]  ? smp_call_function_single_interrupt+0x159/0x650
[  727.573335]  ? smp_call_function_single_interrupt+0x650/0x650
[  727.579219]  ? interrupt_entry+0xb5/0xc0
[  727.583283]  ? trace_hardirqs_off_caller+0xbb/0x310
[  727.588321]  ? trace_hardirqs_off_caller+0xbb/0x310
[  727.593347]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  727.598216]  ? trace_hardirqs_on_caller+0x310/0x310
[  727.603234]  ? trace_hardirqs_on_caller+0x310/0x310
[  727.608251]  ? task_prio+0x50/0x50
[  727.611821]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  727.617362]  ? check_preemption_disabled+0x48/0x280
[  727.622386]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  727.627263]  apic_timer_interrupt+0xf/0x20
[  727.631502]  </IRQ>
[  727.633741] RIP: 0010:rcu_is_watching+0x0/0x30
[  727.638330] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
[  727.657239] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  727.664949] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
[  727.672215] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
[  727.679483] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
[  727.686752] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
[  727.694020] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  727.701321]  ? list_lru_count_one+0x253/0x450
[  727.705816]  ? list_lru_count_one+0x35d/0x450
[  727.710327]  ? list_lru_count_one+0x362/0x450
[  727.714823]  ? list_lru_isolate_move+0x3c0/0x3c0
[  727.719583]  ? shmem_free_inode+0xd0/0xd0
[  727.723768]  ? __lock_is_held+0xb5/0x140
[  727.727839]  super_cache_count+0x1b9/0x2e0
[  727.732079]  do_shrink_slab+0x1b1/0xd30
[  727.736067]  ? snapshot_refaults+0x290/0x290
[  727.740478]  ? lock_release+0xa00/0xa00
[  727.744456]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  727.749411]  ? down_read_trylock+0xda/0x140
[  727.753728]  ? shrink_slab+0x207/0x8c0
[  727.757613]  ? downgrade_write+0x270/0x270
[  727.761858]  shrink_slab+0x389/0x8c0
[  727.765574]  ? shrink_active_list+0x1f00/0x1f00
[  727.770268]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  727.775906]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  727.781018]  ? cgroup_procs_write_finish+0xf0/0xf0
[  727.785985]  ? find_held_lock+0x36/0x1c0
[  727.790071]  shrink_node+0x431/0x16b0
[  727.793873]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  727.799176]  ? shrink_node_memcg+0x18f0/0x18f0
[  727.803763]  ? kvm_clock_read+0x18/0x30
[  727.807742]  ? ktime_get+0x2c1/0x400
[  727.811463]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  727.815966]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  727.821506]  ? __cpuset_node_allowed+0x19b/0x660
[  727.826268]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  727.832004]  ? delayacct_end+0x5a/0x100
[  727.835992]  do_try_to_free_pages+0x3e7/0x1290
[  727.840579]  ? zap_class+0x640/0x640
[  727.844378]  ? shrink_node+0x16b0/0x16b0
[  727.848461]  ? __lock_is_held+0xb5/0x140
[  727.852541]  try_to_free_pages+0x4d0/0xb90
[  727.856785]  ? do_try_to_free_pages+0x1290/0x1290
[  727.861674]  ? lock_acquire+0x1ed/0x520
[  727.865678]  ? set_page_refcounted+0x280/0x280
[  727.870268]  ? lock_release+0xa00/0xa00
[  727.874256]  ? _raw_spin_unlock_irq+0x60/0x80
[  727.878755]  ? psi_memstall_enter+0x240/0x2b0
[  727.883250]  ? psi_memstall_tick+0x230/0x230
[  727.887676]  __alloc_pages_slowpath+0xa48/0x2de0
[  727.892464]  ? warn_alloc+0x120/0x120
[  727.896276]  ? mark_held_locks+0x130/0x130
[  727.900529]  ? find_get_entry+0xaae/0x1120
[  727.904783]  ? filemap_map_pages+0x1a20/0x1a20
[  727.909370]  ? zap_class+0x640/0x640
[  727.913090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  727.918630]  ? check_preemption_disabled+0x48/0x280
[  727.923651]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  727.929192]  ? should_fail+0x22d/0xd01
[  727.933092]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  727.938202]  ? zap_class+0x640/0x640
[  727.941947]  ? __lock_is_held+0xb5/0x140
[  727.946018]  ? mark_held_locks+0x130/0x130
[  727.950254]  ? lock_release+0xa00/0xa00
[  727.954243]  ? perf_trace_sched_process_exec+0x860/0x860
[  727.959696]  ? xa_load+0x2ba/0x460
[  727.963488]  ? lock_downgrade+0x900/0x900
[  727.967644]  ? __might_sleep+0x95/0x190
[  727.971629]  __alloc_pages_nodemask+0xad8/0xea0
[  727.976329]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  727.981360]  ? __page_cache_alloc+0x191/0x5c0
[  727.985857]  ? xa_load+0x2e1/0x460
[  727.989401]  ? xa_clear_mark+0x40/0x40
[  727.993305]  ? zap_class+0x640/0x640
[  727.997036]  ? zap_class+0x640/0x640
[  728.000754]  ? zap_class+0x640/0x640
[  728.004471]  ? __do_page_cache_readahead+0x663/0x810
[  728.009587]  ? find_held_lock+0x36/0x1c0
[  728.013656]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  728.019207]  alloc_pages_current+0x173/0x350
[  728.023627]  __page_cache_alloc+0x38c/0x5c0
[  728.027953]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  728.032883]  ? kasan_check_read+0x11/0x20
[  728.037033]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  728.042327]  ? generic_perform_write+0x6a0/0x6a0
[  728.047084]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  728.052623]  ? check_preemption_disabled+0x48/0x280
[  728.057646]  filemap_fault+0x1595/0x25f0
[  728.061750]  ? __lock_page_or_retry+0xa00/0xa00
[  728.066427]  ? mark_held_locks+0x130/0x130
[  728.070672]  ? filemap_map_pages+0xd6b/0x1a20
[  728.075170]  ? lock_downgrade+0x900/0x900
[  728.079324]  ? check_preemption_disabled+0x48/0x280
[  728.084349]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  728.089279]  ? kasan_check_read+0x11/0x20
[  728.093437]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  728.098884]  ? rcu_softirq_qs+0x20/0x20
[  728.102904]  ? filemap_map_pages+0xd92/0x1a20
[  728.107438]  ? find_get_entries_tag+0x1400/0x1400
[  728.112320]  ? debug_object_destroy+0x2b0/0x2b0
[  728.116997]  ? lock_pi_update_atomic+0x150/0x150
[  728.121754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  728.127312]  ? lock_acquire+0x1ed/0x520
[  728.131289]  ? ext4_filemap_fault+0x7a/0xad
[  728.135642]  ? lock_release+0xa00/0xa00
[  728.139615]  ? perf_trace_sched_process_exec+0x860/0x860
[  728.145065]  ? print_usage_bug+0xc0/0xc0
[  728.149129]  ? print_usage_bug+0xc0/0xc0
[  728.153209]  ? down_read+0x8d/0x120
[  728.156835]  ? ext4_filemap_fault+0x7a/0xad
[  728.161161]  ? __down_interruptible+0x700/0x700
[  728.165846]  ext4_filemap_fault+0x82/0xad
[  728.170000]  __do_fault+0x100/0x6b0
[  728.173628]  ? release_sock+0x1ec/0x2c0
[  728.177614]  ? pmd_devmap_trans_unstable+0x220/0x220
[  728.182721]  ? mark_held_locks+0x130/0x130
[  728.186957]  ? mark_held_locks+0x130/0x130
[  728.191200]  ? lock_sock_nested+0x9a/0x120
[  728.195438]  ? __release_sock+0x3a0/0x3a0
[  728.199600]  ? __local_bh_enable_ip+0x160/0x260
[  728.204280]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  728.209836]  __handle_mm_fault+0x3ea0/0x5be0
[  728.214257]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  728.219097]  ? apparmor_socket_sendmsg+0x29/0x30
[  728.223872]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  728.229414]  ? security_socket_sendmsg+0x94/0xc0
[  728.234181]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  728.239737]  ? zap_class+0x640/0x640
[  728.243453]  ? zap_class+0x640/0x640
[  728.247169]  ? __x64_sys_futex+0x53e/0x6a0
[  728.251413]  ? find_held_lock+0x36/0x1c0
[  728.255533]  ? handle_mm_fault+0x42a/0xc70
[  728.259775]  ? lock_downgrade+0x900/0x900
[  728.263927]  ? check_preemption_disabled+0x48/0x280
[  728.268960]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  728.273902]  ? kasan_check_read+0x11/0x20
[  728.278050]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  728.283348]  ? rcu_softirq_qs+0x20/0x20
[  728.287331]  ? trace_hardirqs_off_caller+0x310/0x310
[  728.292437]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  728.297976]  ? check_preemption_disabled+0x48/0x280
[  728.302998]  handle_mm_fault+0x54f/0xc70
[  728.307063]  ? __handle_mm_fault+0x5be0/0x5be0
[  728.311649]  ? find_vma+0x34/0x190
[  728.315231]  __do_page_fault+0x5e8/0xe60
[  728.319289]  ? trace_hardirqs_off+0xb8/0x310
[  728.323734]  ? __ia32_sys_read+0xb0/0xb0
[  728.327820]  do_page_fault+0xf2/0x7e0
[  728.331623]  ? vmalloc_sync_all+0x30/0x30
[  728.335775]  ? error_entry+0x70/0xd0
[  728.339489]  ? trace_hardirqs_off_caller+0xbb/0x310
[  728.344522]  ? trace_hardirqs_on_caller+0xc0/0x310
[  728.349455]  ? syscall_return_slowpath+0x5e0/0x5e0
[  728.354401]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  728.359244]  ? trace_hardirqs_on_caller+0x310/0x310
[  728.364263]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  728.369723]  ? prepare_exit_to_usermode+0x291/0x3b0
[  728.374740]  ? page_fault+0x8/0x30
[  728.378280]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  728.383163]  ? page_fault+0x8/0x30
[  728.386707]  page_fault+0x1e/0x30
[  728.390157] RIP: 0033:0x45ddf3
[  728.393371] Code: Bad RIP value.
[  728.396735] RSP: 002b:000000c420023ea0 EFLAGS: 00010202
[  728.402108] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
[  728.409378] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  728.416647] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  728.423930] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  728.431197] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
[  728.438494] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304
[  728.438499] warn_alloc_show_mem: 1 callbacks suppressed
[  728.438520] Mem-Info:
[  728.445820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  728.445829] Call Trace:
[  728.451199] active_anon:59588 inactive_anon:187 isolated_anon:0
[  728.451199]  active_file:13 inactive_file:14 isolated_file:0
[  728.451199]  unevictable:0 dirty:0 writeback:0 unstable:0
[  728.451199]  slab_reclaimable:10147 slab_unreclaimable:1445690
[  728.451199]  mapped:49154 shmem:244 pagetables:690 bounce:0
[  728.451199]  free:13773 free_pcp:174 free_cma:0
[  728.453573]  <IRQ>
[  728.462935] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  728.465521]  dump_stack+0x244/0x39d
[  728.498461] 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
[  728.500613]  ? dump_stack_print_info.cold.1+0x20/0x20
[  728.528088] lowmem_reserve[]: 0 2818 6321 6321
[  728.531724]  warn_alloc.cold.116+0xb7/0x1bd
[  728.557799] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  728.562980]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  728.567537] lowmem_reserve[]: 0 0 3503 3503
[  728.571863]  ? lock_downgrade+0x900/0x900
[  728.599337] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB
[  728.604193]  ? trace_hardirqs_off+0xb8/0x310
[  728.608499] lowmem_reserve[]: 0 0 0 0
[  728.612643]  ? trace_hardirqs_off+0xb8/0x310
[  728.641505] 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
[  728.645911]  __alloc_pages_slowpath+0x2651/0x2de0
[  728.649685] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
[  728.654116]  ? warn_alloc+0x120/0x120
[  728.667613] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  728.672450]  ? warn_alloc+0x120/0x120
[  728.688383] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  728.692172]  ? lock_downgrade+0x900/0x900
[  728.705803] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  728.709595]  ? warn_alloc+0x120/0x120
[  728.718408] 271 total pagecache pages
[  728.722546]  ? print_usage_bug+0xc0/0xc0
[  728.731117] 0 pages in swap cache
[  728.734904]  ? trace_hardirqs_off+0xb8/0x310
[  728.738688] Swap cache stats: add 0, delete 0, find 0/0
[  728.742738]  ? print_usage_bug+0xc0/0xc0
[  728.746163] Free swap  = 0kB
[  728.750572]  ? trace_hardirqs_off+0xb8/0x310
[  728.755912] Total swap = 0kB
[  728.759973]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  728.762962] 1965979 pages RAM
[  728.767363]  ? should_fail+0x22d/0xd01
[  728.770377] 0 pages HighMem/MovableOnly
[  728.775906]  ? __alloc_pages_slowpath+0x2651/0x2de0
[  728.778985] 342854 pages reserved
[  728.782909]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  728.786858] 0 pages cma reserved
[  728.791863]  ? __lock_acquire+0x62f/0x4c20
[  728.795364] aoe: skb alloc failure
[  728.800410]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  728.803817] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  728.808001]  ? __lock_acquire+0x62f/0x4c20
[  728.811517] syz-fuzzer cpuset=/ mems_allowed=0
[  728.816612]  ? should_fail+0x22d/0xd01
[  728.839487]  ? mark_held_locks+0x130/0x130
[  728.843726]  ? mark_held_locks+0x130/0x130
[  728.847963]  ? warn_alloc+0x120/0x120
[  728.851759]  ? __bfs+0x321/0x780
[  728.855122]  ? zap_class+0x640/0x640
[  728.858871]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  728.864406]  ? check_preemption_disabled+0x48/0x280
[  728.869431]  ? __lock_is_held+0xb5/0x140
[  728.873503]  __alloc_pages_nodemask+0xad8/0xea0
[  728.878184]  ? zap_class+0x640/0x640
[  728.881907]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  728.886934]  ? find_held_lock+0x36/0x1c0
[  728.891003]  ? ____cache_alloc_node+0x1c7/0x1e0
[  728.895671]  ? lock_downgrade+0x900/0x900
[  728.899827]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  728.905372]  cache_grow_begin+0xa5/0x8c0
[  728.909432]  ? do_raw_spin_unlock+0xa7/0x330
[  728.913850]  fallback_alloc+0x204/0x2e0
[  728.917848]  ____cache_alloc_node+0x1c7/0x1e0
[  728.922362]  kmem_cache_alloc+0x1f8/0x730
[  728.926535]  __build_skb+0xab/0x430
[  728.930178]  ? skb_try_coalesce+0x1b70/0x1b70
[  728.934675]  ? trace_hardirqs_on+0xbd/0x310
[  728.939030]  ? br_send_bpdu.isra.7.constprop.8+0xa8/0xc80
[  728.944576]  ? trace_hardirqs_off_caller+0x310/0x310
[  728.949742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  728.955283]  ? check_preemption_disabled+0x48/0x280
[  728.960319]  __netdev_alloc_skb+0x2b5/0x450
[  728.964651]  br_send_bpdu.isra.7.constprop.8+0xa8/0xc80
[  728.970021]  ? br_send_bpdu_finish+0x20/0x20
[  728.974459]  ? mark_held_locks+0x130/0x130
[  728.978696]  ? __lock_acquire+0x62f/0x4c20
[  728.982933]  ? mod_timer_pending+0x1640/0x1640
[  728.987517]  ? kmem_cache_alloc_node+0x349/0x730
[  728.992279]  br_send_config_bpdu+0xc9d/0x10a0
[  728.996786]  ? br_send_bpdu.isra.7.constprop.8+0xc80/0xc80
[  729.002426]  br_transmit_config+0x8cd/0xbb0
[  729.006754]  ? br_get_port+0x280/0x280
[  729.010650]  ? lock_acquire+0x1ed/0x520
[  729.014624]  ? br_hello_timer_expired+0x20/0x190
[  729.019387]  ? kasan_check_read+0x11/0x20
[  729.023554]  br_config_bpdu_generation+0x16a/0x1c0
[  729.028499]  br_hello_timer_expired+0xa9/0x190
[  729.033088]  call_timer_fn+0x272/0x920
[  729.036978]  ? br_is_root_bridge+0x40/0x40
[  729.041213]  ? process_timeout+0x40/0x40
[  729.045284]  ? __run_timers+0x7da/0xc70
[  729.049274]  ? _raw_spin_unlock_irq+0x27/0x80
[  729.053796]  ? _raw_spin_unlock_irq+0x27/0x80
[  729.058309]  ? br_is_root_bridge+0x40/0x40
[  729.062544]  ? lockdep_hardirqs_on+0x296/0x5b0
[  729.067132]  ? trace_hardirqs_on+0xbd/0x310
[  729.071451]  ? kasan_check_read+0x11/0x20
[  729.075600]  ? __run_timers+0x7da/0xc70
[  729.079576]  ? trace_hardirqs_off_caller+0x310/0x310
[  729.084694]  ? br_is_root_bridge+0x40/0x40
[  729.088930]  __run_timers+0x7e5/0xc70
[  729.092743]  ? timer_fixup_init+0x70/0x70
[  729.096910]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  729.101927]  ? zap_class+0x640/0x640
[  729.105644]  ? enqueue_hrtimer+0x1a5/0x560
[  729.109883]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  729.115089]  ? find_held_lock+0x36/0x1c0
[  729.120046]  ? zap_class+0x640/0x640
[  729.123801]  ? pvclock_read_flags+0x160/0x160
[  729.128308]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  729.133906]  ? check_preemption_disabled+0x48/0x280
[  729.138934]  ? __lock_is_held+0xb5/0x140
[  729.142998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  729.148534]  ? check_preemption_disabled+0x48/0x280
[  729.153556]  run_timer_softirq+0x52/0xb0
[  729.157622]  ? rcu_read_lock_sched_held+0x14f/0x180
[  729.162675]  __do_softirq+0x308/0xb7e
[  729.166480]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  729.170986]  ? lock_downgrade+0x900/0x900
[  729.175137]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  729.180247]  ? pvclock_read_flags+0x160/0x160
[  729.184748]  ? lapic_next_event+0x5a/0x90
[  729.188898]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  729.194440]  ? kvm_clock_read+0x18/0x30
[  729.198418]  ? kvm_sched_clock_read+0x9/0x20
[  729.202828]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  729.208367]  ? check_preemption_disabled+0x48/0x280
[  729.213415]  irq_exit+0x17f/0x1c0
[  729.216906]  smp_apic_timer_interrupt+0x1cb/0x760
[  729.221761]  ? smp_reschedule_interrupt+0x109/0x650
[  729.226797]  ? smp_call_function_single_interrupt+0x650/0x650
[  729.232699]  ? interrupt_entry+0xb5/0xc0
[  729.236766]  ? trace_hardirqs_off_caller+0xbb/0x310
[  729.241785]  ? trace_hardirqs_off_caller+0xbb/0x310
[  729.246816]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  729.251662]  ? trace_hardirqs_on_caller+0x310/0x310
[  729.256676]  ? trace_hardirqs_on_caller+0x310/0x310
[  729.261706]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  729.266570]  apic_timer_interrupt+0xf/0x20
[  729.270811]  </IRQ>
[  729.273049] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  729.278969] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
[  729.297869] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  729.305586] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  729.312857] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286
[  729.320131] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000
[  729.327407] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40
[  729.334683] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286
[  729.341991]  ? save_stack+0xa9/0xd0
[  729.345631]  __kmalloc_node_track_caller+0x3c/0x70
[  729.350570]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  729.355339]  pskb_expand_head+0x230/0x10f0
[  729.359582]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  729.365039]  ? memcpy+0x45/0x50
[  729.368334]  ? __copy_skb_header+0x350/0x6b0
[  729.372762]  ? skb_release_data+0x880/0x880
[  729.377098]  ? __alloc_skb+0x770/0x770
[  729.380997]  ? __lock_is_held+0xb5/0x140
[  729.385158]  ? kasan_check_write+0x14/0x20
[  729.389391]  ? __skb_clone+0x6c7/0xa00
[  729.393282]  ? __copy_skb_header+0x6b0/0x6b0
[  729.397700]  ? kmem_cache_alloc+0x33a/0x730
[  729.402028]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  729.407580]  skb_ensure_writable+0x3dd/0x640
[  729.411998]  ? skb_checksum_setup+0xaa0/0xaa0
[  729.416499]  ? preempt_notifier_register+0x200/0x200
[  729.421605]  ? __switch_to_asm+0x34/0x70
[  729.425669]  ? __switch_to_asm+0x34/0x70
[  729.429726]  ? __switch_to_asm+0x40/0x70
[  729.433787]  ? __switch_to_asm+0x34/0x70
[  729.437845]  ? __switch_to_asm+0x40/0x70
[  729.441905]  ? __switch_to_asm+0x40/0x70
[  729.445977]  ? __switch_to_asm+0x34/0x70
[  729.450037]  ? __switch_to_asm+0x34/0x70
[  729.454113]  ? __switch_to_asm+0x40/0x70
[  729.458172]  ? __switch_to_asm+0x34/0x70
[  729.462251]  bpf_clone_redirect+0x14a/0x490
[  729.466623]  bpf_prog_12ab75334035c288+0xfcd/0x1000
[  729.471681]  ? __sched_text_start+0x8/0x8
[  729.475830]  ? retint_kernel+0x2d/0x2d
[  729.479727]  ? find_held_lock+0x36/0x1c0
[  729.483802]  ? lock_acquire+0x1ed/0x520
[  729.487781]  ? bpf_test_run+0x3cb/0x780
[  729.491787]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  729.497337]  ? check_preemption_disabled+0x48/0x280
[  729.502389]  ? kasan_check_read+0x11/0x20
[  729.506541]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  729.511820]  ? rcu_softirq_qs+0x20/0x20
[  729.515801]  ? preempt_schedule+0x4d/0x60
[  729.519954]  ? ___preempt_schedule+0x16/0x18
[  729.524373]  ? bpf_test_run+0x25d/0x780
[  729.528360]  ? netlink_diag_dump+0x2a0/0x2a0
[  729.532774]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  729.538318]  ? bpf_test_init.isra.10+0x70/0x100
[  729.542996]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  729.547765]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  729.552610]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  729.558164]  ? fput+0x130/0x1a0
[  729.561448]  ? __bpf_prog_get+0x9b/0x290
[  729.565517]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  729.570364]  ? bpf_prog_test_run+0x130/0x1a0
[  729.574777]  ? __x64_sys_bpf+0x3d8/0x520
[  729.578839]  ? bpf_prog_get+0x20/0x20
[  729.582663]  ? do_syscall_64+0x1b9/0x820
[  729.586724]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  729.592093]  ? syscall_return_slowpath+0x5e0/0x5e0
[  729.597026]  ? trace_hardirqs_on_caller+0x310/0x310
[  729.602051]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  729.607080]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  729.613747]  ? __switch_to_asm+0x40/0x70
[  729.617805]  ? __switch_to_asm+0x34/0x70
[  729.621871]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  729.626721]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  729.632109] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
[  729.632234] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  729.639136] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  729.649605] syz-executor3 cpuset=syz3 mems_allowed=0
[  729.658947] Call Trace:
[  729.666600]  <IRQ>
[  729.668754]  dump_stack+0x244/0x39d
[  729.672392]  ? dump_stack_print_info.cold.1+0x20/0x20
[  729.677602]  warn_alloc.cold.116+0xb7/0x1bd
[  729.681925]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  729.686774]  ? lock_downgrade+0x900/0x900
[  729.690931]  ? trace_hardirqs_off+0xb8/0x310
[  729.695347]  ? trace_hardirqs_off+0xb8/0x310
[  729.699768]  __alloc_pages_slowpath+0x2651/0x2de0
[  729.704640]  ? warn_alloc+0x120/0x120
[  729.708448]  ? warn_alloc+0x120/0x120
[  729.712257]  ? warn_alloc+0x120/0x120
[  729.716065]  ? print_usage_bug+0xc0/0xc0
[  729.720134]  ? print_usage_bug+0xc0/0xc0
[  729.724199]  ? ktime_get+0x2c1/0x400
[  729.727920]  ? check_preemption_disabled+0x48/0x280
[  729.732936]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  729.737436]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  729.742973]  ? should_fail+0x22d/0xd01
[  729.746863]  ? kasan_check_read+0x11/0x20
[  729.751012]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  729.756124]  ? __lock_acquire+0x62f/0x4c20
[  729.760367]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  729.765471]  ? should_fail+0x22d/0xd01
[  729.769363]  ? print_usage_bug+0xc0/0xc0
[  729.773432]  ? mark_held_locks+0x130/0x130
[  729.777672]  ? mark_held_locks+0x130/0x130
[  729.781911]  ? check_preemption_disabled+0x48/0x280
[  729.786941]  ? zap_class+0x640/0x640
[  729.790657]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  729.795416]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  729.800958]  ? check_preemption_disabled+0x48/0x280
[  729.805983]  ? __lock_is_held+0xb5/0x140
[  729.810093]  __alloc_pages_nodemask+0xad8/0xea0
[  729.814766]  ? zap_class+0x640/0x640
[  729.818486]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  729.823519]  ? find_held_lock+0x36/0x1c0
[  729.827601]  ? ____cache_alloc_node+0x1c7/0x1e0
[  729.832271]  ? lock_downgrade+0x900/0x900
[  729.836436]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  729.841983]  cache_grow_begin+0xa5/0x8c0
[  729.846048]  ? do_raw_spin_unlock+0xa7/0x330
[  729.850469]  fallback_alloc+0x204/0x2e0
[  729.854449]  ____cache_alloc_node+0x1c7/0x1e0
[  729.858984]  kmem_cache_alloc_node+0xe3/0x730
[  729.863482]  ? lockdep_hardirqs_on+0x296/0x5b0
[  729.868072]  __alloc_skb+0x119/0x770
[  729.871790]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  729.877161]  ? netdev_alloc_frag+0x1f0/0x1f0
[  729.881585]  ? vprintk_default+0x28/0x30
[  729.885648]  ? vprintk_func+0x85/0x181
[  729.889539]  ? printk+0xa7/0xcf
[  729.892826]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  729.897601]  new_skb+0x26/0x1c0
[  729.900882]  aoecmd_cfg+0x279/0x7f0
[  729.904513]  ? find_held_lock+0x36/0x1c0
[  729.908581]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  729.912916]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  729.918466]  ? __lock_is_held+0xb5/0x140
[  729.922539]  discover_timer+0x50/0x60
[  729.926384]  call_timer_fn+0x272/0x920
[  729.930286]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  729.935148]  ? process_timeout+0x40/0x40
[  729.939216]  ? mark_held_locks+0xc7/0x130
[  729.943369]  ? _raw_spin_unlock_irq+0x27/0x80
[  729.947862]  ? _raw_spin_unlock_irq+0x27/0x80
[  729.952359]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  729.957201]  ? lockdep_hardirqs_on+0x296/0x5b0
[  729.961791]  ? trace_hardirqs_on+0xbd/0x310
[  729.966357]  ? kasan_check_read+0x11/0x20
[  729.970510]  ? __run_timers+0x7da/0xc70
[  729.974486]  ? trace_hardirqs_off_caller+0x310/0x310
[  729.979603]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  729.984445]  __run_timers+0x7e5/0xc70
[  729.988267]  ? timer_fixup_init+0x70/0x70
[  729.992429]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  729.997446]  ? zap_class+0x640/0x640
[  730.001166]  ? print_usage_bug+0xc0/0xc0
[  730.005231]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  730.010427]  ? find_held_lock+0x36/0x1c0
[  730.014497]  ? zap_class+0x640/0x640
[  730.018219]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  730.023772]  ? check_preemption_disabled+0x48/0x280
[  730.028818]  ? __lock_is_held+0xb5/0x140
[  730.032885]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  730.038426]  ? check_preemption_disabled+0x48/0x280
[  730.043453]  run_timer_softirq+0x52/0xb0
[  730.047518]  ? rcu_read_lock_sched_held+0x14f/0x180
[  730.052544]  __do_softirq+0x308/0xb7e
[  730.056364]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  730.060872]  ? lock_downgrade+0x900/0x900
[  730.065039]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  730.070151]  ? pvclock_read_flags+0x160/0x160
[  730.074664]  ? lapic_next_event+0x5a/0x90
[  730.078815]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  730.084365]  ? kvm_clock_read+0x18/0x30
[  730.088362]  ? kvm_sched_clock_read+0x9/0x20
[  730.092778]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  730.098570]  ? check_preemption_disabled+0x48/0x280
[  730.103600]  irq_exit+0x17f/0x1c0
[  730.107057]  smp_apic_timer_interrupt+0x1cb/0x760
[  730.111899]  ? smp_call_function_single_interrupt+0x159/0x650
[  730.117785]  ? smp_call_function_single_interrupt+0x650/0x650
[  730.123671]  ? interrupt_entry+0xb5/0xc0
[  730.127740]  ? trace_hardirqs_off_caller+0xbb/0x310
[  730.132758]  ? trace_hardirqs_off_caller+0xbb/0x310
[  730.137806]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  730.142649]  ? trace_hardirqs_on_caller+0x310/0x310
[  730.147669]  ? trace_hardirqs_on_caller+0x310/0x310
[  730.152685]  ? task_prio+0x50/0x50
[  730.156224]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  730.161763]  ? check_preemption_disabled+0x48/0x280
[  730.166784]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  730.171638]  apic_timer_interrupt+0xf/0x20
[  730.175864]  </IRQ>
[  730.178110] RIP: 0010:rcu_is_watching+0x0/0x30
[  730.182871] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
[  730.201775] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  730.209483] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
[  730.216751] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
[  730.224016] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
[  730.231284] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
[  730.238579] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  730.245882]  ? list_lru_count_one+0x253/0x450
[  730.250375]  ? list_lru_count_one+0x35d/0x450
[  730.254876]  ? list_lru_count_one+0x362/0x450
[  730.259372]  ? list_lru_isolate_move+0x3c0/0x3c0
[  730.264123]  ? shmem_free_inode+0xd0/0xd0
[  730.268277]  ? __lock_is_held+0xb5/0x140
[  730.272358]  super_cache_count+0x1b9/0x2e0
[  730.276596]  do_shrink_slab+0x1b1/0xd30
[  730.280584]  ? snapshot_refaults+0x290/0x290
[  730.284996]  ? lock_release+0xa00/0xa00
[  730.288981]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  730.293921]  ? down_read_trylock+0xda/0x140
[  730.298250]  ? shrink_slab+0x207/0x8c0
[  730.302137]  ? downgrade_write+0x270/0x270
[  730.306412]  shrink_slab+0x389/0x8c0
[  730.310130]  ? shrink_active_list+0x1f00/0x1f00
[  730.314811]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  730.320474]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  730.325605]  ? cgroup_procs_write_finish+0xf0/0xf0
[  730.330543]  ? find_held_lock+0x36/0x1c0
[  730.334623]  shrink_node+0x431/0x16b0
[  730.338426]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  730.343760]  ? shrink_node_memcg+0x18f0/0x18f0
[  730.348354]  ? kvm_clock_read+0x18/0x30
[  730.352328]  ? ktime_get+0x2c1/0x400
[  730.356063]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  730.360585]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  730.366125]  ? __cpuset_node_allowed+0x19b/0x660
[  730.370884]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  730.376601]  ? delayacct_end+0x5a/0x100
[  730.380587]  do_try_to_free_pages+0x3e7/0x1290
[  730.385172]  ? zap_class+0x640/0x640
[  730.388907]  ? shrink_node+0x16b0/0x16b0
[  730.392986]  ? __lock_is_held+0xb5/0x140
[  730.397089]  try_to_free_pages+0x4d0/0xb90
[  730.401332]  ? do_try_to_free_pages+0x1290/0x1290
[  730.406187]  ? lock_acquire+0x1ed/0x520
[  730.410178]  ? set_page_refcounted+0x280/0x280
[  730.414770]  ? lock_release+0xa00/0xa00
[  730.418745]  ? _raw_spin_unlock_irq+0x60/0x80
[  730.423240]  ? psi_memstall_enter+0x240/0x2b0
[  730.427735]  ? psi_memstall_tick+0x230/0x230
[  730.432169]  __alloc_pages_slowpath+0xa48/0x2de0
[  730.436955]  ? warn_alloc+0x120/0x120
[  730.440756]  ? mark_held_locks+0x130/0x130
[  730.445028]  ? find_get_entry+0xaae/0x1120
[  730.449323]  ? filemap_map_pages+0x1a20/0x1a20
[  730.453910]  ? zap_class+0x640/0x640
[  730.457628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  730.463166]  ? check_preemption_disabled+0x48/0x280
[  730.468185]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  730.473727]  ? should_fail+0x22d/0xd01
[  730.477623]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  730.482728]  ? zap_class+0x640/0x640
[  730.486469]  ? __lock_is_held+0xb5/0x140
[  730.490575]  ? mark_held_locks+0x130/0x130
[  730.494830]  ? lock_release+0xa00/0xa00
[  730.498804]  ? perf_trace_sched_process_exec+0x860/0x860
[  730.504251]  ? xa_load+0x2ba/0x460
[  730.507791]  ? lock_downgrade+0x900/0x900
[  730.511945]  ? __might_sleep+0x95/0x190
[  730.515954]  __alloc_pages_nodemask+0xad8/0xea0
[  730.520651]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  730.525714]  ? __page_cache_alloc+0x191/0x5c0
[  730.530232]  ? xa_load+0x2e1/0x460
[  730.533774]  ? xa_clear_mark+0x40/0x40
[  730.537662]  ? zap_class+0x640/0x640
[  730.541386]  ? zap_class+0x640/0x640
[  730.545101]  ? zap_class+0x640/0x640
[  730.548810]  ? __do_page_cache_readahead+0x663/0x810
[  730.553918]  ? find_held_lock+0x36/0x1c0
[  730.557998]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  730.563608]  alloc_pages_current+0x173/0x350
[  730.568038]  __page_cache_alloc+0x38c/0x5c0
[  730.572354]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  730.577279]  ? kasan_check_read+0x11/0x20
[  730.581451]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  730.586726]  ? generic_perform_write+0x6a0/0x6a0
[  730.591484]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  730.597024]  ? check_preemption_disabled+0x48/0x280
[  730.602048]  filemap_fault+0x1595/0x25f0
[  730.606120]  ? __lock_page_or_retry+0xa00/0xa00
[  730.610791]  ? mark_held_locks+0x130/0x130
[  730.615064]  ? filemap_map_pages+0xd6b/0x1a20
[  730.619569]  ? lock_downgrade+0x900/0x900
[  730.623715]  ? check_preemption_disabled+0x48/0x280
[  730.628736]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  730.633665]  ? kasan_check_read+0x11/0x20
[  730.637812]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  730.643095]  ? rcu_softirq_qs+0x20/0x20
[  730.647085]  ? filemap_map_pages+0xd92/0x1a20
[  730.651600]  ? find_get_entries_tag+0x1400/0x1400
[  730.656451]  ? debug_object_destroy+0x2b0/0x2b0
[  730.661128]  ? lock_pi_update_atomic+0x150/0x150
[  730.665886]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  730.671450]  ? lock_acquire+0x1ed/0x520
[  730.675427]  ? ext4_filemap_fault+0x7a/0xad
[  730.679760]  ? lock_release+0xa00/0xa00
[  730.683733]  ? perf_trace_sched_process_exec+0x860/0x860
[  730.689186]  ? print_usage_bug+0xc0/0xc0
[  730.693247]  ? print_usage_bug+0xc0/0xc0
[  730.697329]  ? down_read+0x8d/0x120
[  730.700955]  ? ext4_filemap_fault+0x7a/0xad
[  730.705276]  ? __down_interruptible+0x700/0x700
[  730.709964]  ext4_filemap_fault+0x82/0xad
[  730.714113]  __do_fault+0x100/0x6b0
[  730.717740]  ? release_sock+0x1ec/0x2c0
[  730.721717]  ? pmd_devmap_trans_unstable+0x220/0x220
[  730.726827]  ? mark_held_locks+0x130/0x130
[  730.731061]  ? mark_held_locks+0x130/0x130
[  730.735303]  ? lock_sock_nested+0x9a/0x120
[  730.739538]  ? __release_sock+0x3a0/0x3a0
[  730.743705]  ? __local_bh_enable_ip+0x160/0x260
[  730.748395]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  730.753985]  __handle_mm_fault+0x3ea0/0x5be0
[  730.758404]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  730.763248]  ? apparmor_socket_sendmsg+0x29/0x30
[  730.768003]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  730.773541]  ? security_socket_sendmsg+0x94/0xc0
[  730.778331]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  730.783889]  ? zap_class+0x640/0x640
[  730.787604]  ? zap_class+0x640/0x640
[  730.791323]  ? __x64_sys_futex+0x53e/0x6a0
[  730.795571]  ? find_held_lock+0x36/0x1c0
[  730.799646]  ? handle_mm_fault+0x42a/0xc70
[  730.803881]  ? lock_downgrade+0x900/0x900
[  730.808034]  ? check_preemption_disabled+0x48/0x280
[  730.813054]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  730.817983]  ? kasan_check_read+0x11/0x20
[  730.822136]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  730.827411]  ? rcu_softirq_qs+0x20/0x20
[  730.831388]  ? trace_hardirqs_off_caller+0x310/0x310
[  730.836493]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  730.842034]  ? check_preemption_disabled+0x48/0x280
[  730.847069]  handle_mm_fault+0x54f/0xc70
[  730.851173]  ? __handle_mm_fault+0x5be0/0x5be0
[  730.855765]  ? find_vma+0x34/0x190
[  730.859324]  __do_page_fault+0x5e8/0xe60
[  730.863389]  ? trace_hardirqs_off+0xb8/0x310
[  730.867796]  ? __ia32_sys_read+0xb0/0xb0
[  730.871870]  do_page_fault+0xf2/0x7e0
[  730.875675]  ? vmalloc_sync_all+0x30/0x30
[  730.879829]  ? error_entry+0x70/0xd0
[  730.883543]  ? trace_hardirqs_off_caller+0xbb/0x310
[  730.888567]  ? trace_hardirqs_on_caller+0xc0/0x310
[  730.893499]  ? syscall_return_slowpath+0x5e0/0x5e0
[  730.898432]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  730.903276]  ? trace_hardirqs_on_caller+0x310/0x310
[  730.908319]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  730.913791]  ? prepare_exit_to_usermode+0x291/0x3b0
[  730.918811]  ? page_fault+0x8/0x30
[  730.922370]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  730.927217]  ? page_fault+0x8/0x30
[  730.930759]  page_fault+0x1e/0x30
[  730.934208] RIP: 0033:0x45ddf3
[  730.937415] Code: Bad RIP value.
[  730.940776] RSP: 002b:000000c420023ea0 EFLAGS: 00010202
[  730.946150] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
[  730.953420] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  730.960684] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  730.968055] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  730.975326] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
[  730.982622] warn_alloc_show_mem: 1 callbacks suppressed
[  730.982635] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304
[  730.982637] Mem-Info:
[  730.982667] active_anon:59588 inactive_anon:187 isolated_anon:0
[  730.982667]  active_file:13 inactive_file:14 isolated_file:0
[  730.982667]  unevictable:0 dirty:0 writeback:0 unstable:0
[  730.982667]  slab_reclaimable:10147 slab_unreclaimable:1445690
[  730.982667]  mapped:49154 shmem:244 pagetables:690 bounce:0
[  730.982667]  free:13773 free_pcp:174 free_cma:0
[  730.988006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  730.988026] Call Trace:
[  730.995316] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  730.997714]  <IRQ>
[  731.030674] 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
[  731.040208]  dump_stack+0x244/0x39d
[  731.042764] lowmem_reserve[]: 0 2818 6321 6321
[  731.070269]  ? dump_stack_print_info.cold.1+0x20/0x20
[  731.072388] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  731.098505]  warn_alloc.cold.116+0xb7/0x1bd
[  731.102093] lowmem_reserve[]: 0 0 3503 3503
[  731.106671]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  731.111833] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB
[  731.139362]  ? lock_downgrade+0x900/0x900
[  731.143659] lowmem_reserve[]: 0 0 0 0
[  731.147981]  ? trace_hardirqs_off+0xb8/0x310
[  731.152792] 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
[  731.181684]  ? trace_hardirqs_off+0xb8/0x310
[  731.185809] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
[  731.189609]  __alloc_pages_slowpath+0x2651/0x2de0
[  731.193992] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  731.207538]  ? warn_alloc+0x120/0x120
[  731.211902] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  731.227846]  ? warn_alloc+0x120/0x120
[  731.232667] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  731.246271]  ? warn_alloc+0x120/0x120
[  731.250045] 271 total pagecache pages
[  731.258877]  ? print_usage_bug+0xc0/0xc0
[  731.262658] 0 pages in swap cache
[  731.271222]  ? enqueue_hrtimer+0x1a5/0x560
[  731.274997] Swap cache stats: add 0, delete 0, find 0/0
[  731.278789]  ? print_usage_bug+0xc0/0xc0
[  731.282822] Free swap  = 0kB
[  731.286279]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  731.290502] Total swap = 0kB
[  731.295864]  ? print_usage_bug+0xc0/0xc0
[  731.299898] 1965979 pages RAM
[  731.302909]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  731.308156] 0 pages HighMem/MovableOnly
[  731.311169]  ? should_fail+0x22d/0xd01
[  731.315196] 342854 pages reserved
[  731.315205] 0 pages cma reserved
[  731.318319]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  731.323920] aoe: skb alloc failure
[  731.327800]  ? __lock_acquire+0x62f/0x4c20
[  731.331707] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  731.335124]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  731.338466] syz-fuzzer cpuset=/ mems_allowed=0
[  731.343564]  ? __lock_acquire+0x62f/0x4c20
[  731.375395]  ? should_fail+0x22d/0xd01
[  731.379305]  ? mark_held_locks+0x130/0x130
[  731.383553]  ? mark_held_locks+0x130/0x130
[  731.387794]  ? mark_held_locks+0x130/0x130
[  731.392032]  ? zap_class+0x640/0x640
[  731.395766]  ? check_preemption_disabled+0x48/0x280
[  731.400779]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  731.405280]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  731.410829]  ? check_preemption_disabled+0x48/0x280
[  731.415860]  ? __lock_is_held+0xb5/0x140
[  731.419930]  __alloc_pages_nodemask+0xad8/0xea0
[  731.424598]  ? zap_class+0x640/0x640
[  731.428325]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  731.433374]  ? find_held_lock+0x36/0x1c0
[  731.437449]  ? ____cache_alloc_node+0x1c7/0x1e0
[  731.442120]  ? lock_downgrade+0x900/0x900
[  731.446276]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  731.451827]  cache_grow_begin+0xa5/0x8c0
[  731.455891]  ? do_raw_spin_unlock+0xa7/0x330
[  731.460315]  fallback_alloc+0x204/0x2e0
[  731.464305]  ____cache_alloc_node+0x1c7/0x1e0
[  731.468808]  kmem_cache_alloc+0x1f8/0x730
[  731.472972]  __build_skb+0xab/0x430
[  731.476600]  ? skb_try_coalesce+0x1b70/0x1b70
[  731.481122]  ? trace_hardirqs_on+0xbd/0x310
[  731.485446]  ? br_send_bpdu.isra.7.constprop.8+0xa8/0xc80
[  731.490988]  ? trace_hardirqs_off_caller+0x310/0x310
[  731.496093]  ? mod_timer+0x631/0x1560
[  731.499898]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  731.505436]  ? check_preemption_disabled+0x48/0x280
[  731.510464]  __netdev_alloc_skb+0x2b5/0x450
[  731.514799]  br_send_bpdu.isra.7.constprop.8+0xa8/0xc80
[  731.520171]  ? br_send_bpdu_finish+0x20/0x20
[  731.524593]  ? mark_held_locks+0x130/0x130
[  731.528830]  ? __lock_acquire+0x62f/0x4c20
[  731.533074]  ? mod_timer_pending+0x1640/0x1640
[  731.537654]  ? kmem_cache_alloc_node+0x349/0x730
[  731.542420]  br_send_config_bpdu+0xc9d/0x10a0
[  731.546918]  ? br_send_bpdu.isra.7.constprop.8+0xc80/0xc80
[  731.552540]  ? round_jiffies+0x11c/0x170
[  731.556618]  br_transmit_config+0x8cd/0xbb0
[  731.560949]  ? br_get_port+0x280/0x280
[  731.564836]  ? lock_acquire+0x1ed/0x520
[  731.568810]  ? br_hello_timer_expired+0x20/0x190
[  731.573578]  ? kasan_check_read+0x11/0x20
[  731.577744]  br_config_bpdu_generation+0x16a/0x1c0
[  731.582682]  br_hello_timer_expired+0xa9/0x190
[  731.587268]  call_timer_fn+0x272/0x920
[  731.591166]  ? br_is_root_bridge+0x40/0x40
[  731.595420]  ? process_timeout+0x40/0x40
[  731.599487]  ? __run_timers+0x7da/0xc70
[  731.603465]  ? _raw_spin_unlock_irq+0x27/0x80
[  731.607960]  ? _raw_spin_unlock_irq+0x27/0x80
[  731.612450]  ? br_is_root_bridge+0x40/0x40
[  731.616691]  ? lockdep_hardirqs_on+0x296/0x5b0
[  731.621291]  ? trace_hardirqs_on+0xbd/0x310
[  731.625625]  ? kasan_check_read+0x11/0x20
[  731.629773]  ? __run_timers+0x7da/0xc70
[  731.633769]  ? trace_hardirqs_off_caller+0x310/0x310
[  731.638883]  ? br_is_root_bridge+0x40/0x40
[  731.643115]  __run_timers+0x7e5/0xc70
[  731.646936]  ? timer_fixup_init+0x70/0x70
[  731.651091]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  731.656109]  ? zap_class+0x640/0x640
[  731.659845]  ? enqueue_hrtimer+0x1a5/0x560
[  731.664097]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  731.669305]  ? find_held_lock+0x36/0x1c0
[  731.673376]  ? zap_class+0x640/0x640
[  731.677096]  ? pvclock_read_flags+0x160/0x160
[  731.681595]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  731.687146]  ? check_preemption_disabled+0x48/0x280
[  731.692186]  ? __lock_is_held+0xb5/0x140
[  731.696268]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  731.701812]  ? check_preemption_disabled+0x48/0x280
[  731.706852]  run_timer_softirq+0x52/0xb0
[  731.710917]  ? rcu_read_lock_sched_held+0x14f/0x180
[  731.715946]  __do_softirq+0x308/0xb7e
[  731.719770]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  731.724277]  ? lock_downgrade+0x900/0x900
[  731.728439]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  731.733572]  ? pvclock_read_flags+0x160/0x160
[  731.738077]  ? lapic_next_event+0x5a/0x90
[  731.742226]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  731.747767]  ? kvm_clock_read+0x18/0x30
[  731.751740]  ? kvm_sched_clock_read+0x9/0x20
[  731.756149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  731.761691]  ? check_preemption_disabled+0x48/0x280
[  731.766713]  irq_exit+0x17f/0x1c0
[  731.770165]  smp_apic_timer_interrupt+0x1cb/0x760
[  731.775036]  ? smp_reschedule_interrupt+0x109/0x650
[  731.780062]  ? smp_call_function_single_interrupt+0x650/0x650
[  731.785951]  ? interrupt_entry+0xb5/0xc0
[  731.790017]  ? trace_hardirqs_off_caller+0xbb/0x310
[  731.795043]  ? trace_hardirqs_off_caller+0xbb/0x310
[  731.800067]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  731.804909]  ? trace_hardirqs_on_caller+0x310/0x310
[  731.809928]  ? trace_hardirqs_on_caller+0x310/0x310
[  731.814956]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  731.819811]  apic_timer_interrupt+0xf/0x20
[  731.824040]  </IRQ>
[  731.826289] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  731.832189] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
[  731.851089] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  731.858799] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  731.866083] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286
[  731.873349] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000
[  731.880619] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40
[  731.887884] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286
[  731.895200]  ? save_stack+0xa9/0xd0
[  731.898839]  __kmalloc_node_track_caller+0x3c/0x70
[  731.903775]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  731.908543]  pskb_expand_head+0x230/0x10f0
[  731.912786]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  731.918246]  ? memcpy+0x45/0x50
[  731.921529]  ? __copy_skb_header+0x350/0x6b0
[  731.925942]  ? skb_release_data+0x880/0x880
[  731.930263]  ? __alloc_skb+0x770/0x770
[  731.934170]  ? __lock_is_held+0xb5/0x140
[  731.938238]  ? kasan_check_write+0x14/0x20
[  731.942473]  ? __skb_clone+0x6c7/0xa00
[  731.946366]  ? __copy_skb_header+0x6b0/0x6b0
[  731.950775]  ? kmem_cache_alloc+0x33a/0x730
[  731.955101]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  731.960644]  skb_ensure_writable+0x3dd/0x640
[  731.965322]  ? skb_checksum_setup+0xaa0/0xaa0
[  731.969825]  ? preempt_notifier_register+0x200/0x200
[  731.974930]  ? __switch_to_asm+0x34/0x70
[  731.978989]  ? __switch_to_asm+0x34/0x70
[  731.983051]  ? __switch_to_asm+0x40/0x70
[  731.987118]  ? __switch_to_asm+0x34/0x70
[  731.991180]  ? __switch_to_asm+0x40/0x70
[  731.995242]  ? __switch_to_asm+0x40/0x70
[  731.999307]  ? __switch_to_asm+0x34/0x70
[  732.003370]  ? __switch_to_asm+0x34/0x70
[  732.007431]  ? __switch_to_asm+0x40/0x70
[  732.011494]  ? __switch_to_asm+0x34/0x70
[  732.015561]  bpf_clone_redirect+0x14a/0x490
[  732.019899]  bpf_prog_12ab75334035c288+0xfcd/0x1000
[  732.024920]  ? __sched_text_start+0x8/0x8
[  732.029072]  ? retint_kernel+0x2d/0x2d
[  732.032969]  ? find_held_lock+0x36/0x1c0
[  732.037038]  ? lock_acquire+0x1ed/0x520
[  732.041020]  ? bpf_test_run+0x3cb/0x780
[  732.045004]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  732.050546]  ? check_preemption_disabled+0x48/0x280
[  732.055572]  ? kasan_check_read+0x11/0x20
[  732.059720]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  732.064999]  ? rcu_softirq_qs+0x20/0x20
[  732.068977]  ? preempt_schedule+0x4d/0x60
[  732.073139]  ? ___preempt_schedule+0x16/0x18
[  732.077563]  ? bpf_test_run+0x25d/0x780
[  732.081550]  ? netlink_diag_dump+0x2a0/0x2a0
[  732.085961]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  732.091498]  ? bpf_test_init.isra.10+0x70/0x100
[  732.096651]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  732.101421]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  732.106266]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  732.111813]  ? fput+0x130/0x1a0
[  732.115102]  ? __bpf_prog_get+0x9b/0x290
[  732.119165]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  732.124022]  ? bpf_prog_test_run+0x130/0x1a0
[  732.128441]  ? __x64_sys_bpf+0x3d8/0x520
[  732.132507]  ? bpf_prog_get+0x20/0x20
[  732.136340]  ? do_syscall_64+0x1b9/0x820
[  732.140404]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  732.145771]  ? syscall_return_slowpath+0x5e0/0x5e0
[  732.150731]  ? trace_hardirqs_on_caller+0x310/0x310
[  732.155752]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  732.160774]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  732.167459]  ? __switch_to_asm+0x40/0x70
[  732.171518]  ? __switch_to_asm+0x34/0x70
[  732.175584]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  732.180435]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  732.185838] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
[  732.186009] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  732.192853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  732.192862] Call Trace:
[  732.203339] syz-executor3 cpuset=syz3 mems_allowed=0
[  732.212677]  <IRQ>
[  732.222482]  dump_stack+0x244/0x39d
[  732.226148]  ? dump_stack_print_info.cold.1+0x20/0x20
[  732.231357]  warn_alloc.cold.116+0xb7/0x1bd
[  732.235679]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  732.240526]  ? lock_downgrade+0x900/0x900
[  732.244689]  ? trace_hardirqs_off+0xb8/0x310
[  732.249106]  ? trace_hardirqs_off+0xb8/0x310
[  732.253526]  __alloc_pages_slowpath+0x2651/0x2de0
[  732.258405]  ? warn_alloc+0x120/0x120
[  732.262212]  ? warn_alloc+0x120/0x120
[  732.266014]  ? __lock_acquire+0x62f/0x4c20
[  732.270262]  ? warn_alloc+0x120/0x120
[  732.274071]  ? print_usage_bug+0xc0/0xc0
[  732.278159]  ? print_usage_bug+0xc0/0xc0
[  732.282242]  ? mark_held_locks+0x130/0x130
[  732.286486]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  732.292040]  ? should_fail+0x22d/0xd01
[  732.295947]  ? zap_class+0x640/0x640
[  732.299667]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  732.304770]  ? __lock_acquire+0x62f/0x4c20
[  732.309010]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  732.314116]  ? should_fail+0x22d/0xd01
[  732.318017]  ? mark_held_locks+0x130/0x130
[  732.322607]  ? mark_held_locks+0x130/0x130
[  732.326842]  ? lock_downgrade+0x900/0x900
[  732.330988]  ? zap_class+0x640/0x640
[  732.334700]  ? zap_class+0x640/0x640
[  732.338434]  ? zap_class+0x640/0x640
[  732.342164]  ? do_raw_spin_unlock+0xa7/0x330
[  732.346579]  ? trace_hardirqs_on+0x310/0x310
[  732.350990]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  732.356542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  732.362090]  ? check_preemption_disabled+0x48/0x280
[  732.367123]  ? __lock_is_held+0xb5/0x140
[  732.371194]  __alloc_pages_nodemask+0xad8/0xea0
[  732.375864]  ? zap_class+0x640/0x640
[  732.379585]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  732.384637]  ? find_held_lock+0x36/0x1c0
[  732.388721]  ? ____cache_alloc_node+0x1c7/0x1e0
[  732.393397]  ? lock_downgrade+0x900/0x900
[  732.397562]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  732.403107]  cache_grow_begin+0xa5/0x8c0
[  732.407170]  ? do_raw_spin_unlock+0xa7/0x330
[  732.411589]  fallback_alloc+0x204/0x2e0
[  732.415578]  ____cache_alloc_node+0x1c7/0x1e0
[  732.420113]  kmem_cache_alloc_node+0xe3/0x730
[  732.424614]  ? lockdep_hardirqs_on+0x296/0x5b0
[  732.429223]  __alloc_skb+0x119/0x770
[  732.432939]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  732.438327]  ? netdev_alloc_frag+0x1f0/0x1f0
[  732.442755]  ? vprintk_default+0x28/0x30
[  732.446819]  ? vprintk_func+0x85/0x181
[  732.450713]  ? printk+0xa7/0xcf
[  732.453997]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  732.458768]  new_skb+0x26/0x1c0
[  732.462051]  aoecmd_cfg+0x279/0x7f0
[  732.465711]  ? find_held_lock+0x36/0x1c0
[  732.469779]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  732.474106]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  732.479660]  ? __lock_is_held+0xb5/0x140
[  732.483732]  discover_timer+0x50/0x60
[  732.487534]  call_timer_fn+0x272/0x920
[  732.491427]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  732.496274]  ? process_timeout+0x40/0x40
[  732.500354]  ? mark_held_locks+0xc7/0x130
[  732.504522]  ? _raw_spin_unlock_irq+0x27/0x80
[  732.509015]  ? _raw_spin_unlock_irq+0x27/0x80
[  732.513540]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  732.518434]  ? lockdep_hardirqs_on+0x296/0x5b0
[  732.523018]  ? trace_hardirqs_on+0xbd/0x310
[  732.527372]  ? kasan_check_read+0x11/0x20
[  732.531541]  ? __run_timers+0x7da/0xc70
[  732.535535]  ? trace_hardirqs_off_caller+0x310/0x310
[  732.540658]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  732.545503]  __run_timers+0x7e5/0xc70
[  732.549323]  ? timer_fixup_init+0x70/0x70
[  732.553492]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  732.558510]  ? zap_class+0x640/0x640
[  732.562230]  ? print_usage_bug+0xc0/0xc0
[  732.566300]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  732.571502]  ? find_held_lock+0x36/0x1c0
[  732.575574]  ? zap_class+0x640/0x640
[  732.579307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  732.584850]  ? check_preemption_disabled+0x48/0x280
[  732.589875]  ? __lock_is_held+0xb5/0x140
[  732.593940]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  732.599477]  ? check_preemption_disabled+0x48/0x280
[  732.604505]  run_timer_softirq+0x52/0xb0
[  732.608604]  ? rcu_read_lock_sched_held+0x14f/0x180
[  732.613668]  __do_softirq+0x308/0xb7e
[  732.617472]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  732.621964]  ? lock_downgrade+0x900/0x900
[  732.626120]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  732.631229]  ? pvclock_read_flags+0x160/0x160
[  732.635728]  ? lapic_next_event+0x5a/0x90
[  732.639883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  732.645425]  ? kvm_clock_read+0x18/0x30
[  732.649433]  ? kvm_sched_clock_read+0x9/0x20
[  732.653843]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  732.659384]  ? check_preemption_disabled+0x48/0x280
[  732.664411]  irq_exit+0x17f/0x1c0
[  732.667868]  smp_apic_timer_interrupt+0x1cb/0x760
[  732.672709]  ? smp_call_function_single_interrupt+0x159/0x650
[  732.678594]  ? smp_call_function_single_interrupt+0x650/0x650
[  732.684480]  ? interrupt_entry+0xb5/0xc0
[  732.688545]  ? trace_hardirqs_off_caller+0xbb/0x310
[  732.693574]  ? trace_hardirqs_off_caller+0xbb/0x310
[  732.698594]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  732.703438]  ? trace_hardirqs_on_caller+0x310/0x310
[  732.708473]  ? trace_hardirqs_on_caller+0x310/0x310
[  732.713489]  ? task_prio+0x50/0x50
[  732.717037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  732.722586]  ? check_preemption_disabled+0x48/0x280
[  732.727608]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  732.732461]  apic_timer_interrupt+0xf/0x20
[  732.736690]  </IRQ>
[  732.738924] RIP: 0010:rcu_is_watching+0x0/0x30
[  732.743510] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
[  732.762407] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  732.770112] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
[  732.777386] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
[  732.784672] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
[  732.791942] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
[  732.799207] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  732.806496]  ? list_lru_count_one+0x253/0x450
[  732.810992]  ? list_lru_count_one+0x35d/0x450
[  732.815496]  ? list_lru_count_one+0x362/0x450
[  732.819992]  ? list_lru_isolate_move+0x3c0/0x3c0
[  732.824754]  ? shmem_free_inode+0xd0/0xd0
[  732.828923]  ? __lock_is_held+0xb5/0x140
[  732.832995]  super_cache_count+0x1b9/0x2e0
[  732.837254]  do_shrink_slab+0x1b1/0xd30
[  732.841253]  ? snapshot_refaults+0x290/0x290
[  732.845689]  ? lock_release+0xa00/0xa00
[  732.849670]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  732.854615]  ? down_read_trylock+0xda/0x140
[  732.858934]  ? shrink_slab+0x207/0x8c0
[  732.862821]  ? downgrade_write+0x270/0x270
[  732.867085]  shrink_slab+0x389/0x8c0
[  732.870809]  ? shrink_active_list+0x1f00/0x1f00
[  732.875502]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  732.881158]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  732.886267]  ? cgroup_procs_write_finish+0xf0/0xf0
[  732.891211]  ? find_held_lock+0x36/0x1c0
[  732.895282]  shrink_node+0x431/0x16b0
[  732.899095]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  732.904396]  ? shrink_node_memcg+0x18f0/0x18f0
[  732.908999]  ? kvm_clock_read+0x18/0x30
[  732.912978]  ? ktime_get+0x2c1/0x400
[  732.916698]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  732.921199]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  732.926739]  ? __cpuset_node_allowed+0x19b/0x660
[  732.931501]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  732.937213]  ? delayacct_end+0x5a/0x100
[  732.941203]  do_try_to_free_pages+0x3e7/0x1290
[  732.945788]  ? zap_class+0x640/0x640
[  732.949518]  ? shrink_node+0x16b0/0x16b0
[  732.953584]  ? __lock_is_held+0xb5/0x140
[  732.957662]  try_to_free_pages+0x4d0/0xb90
[  732.961916]  ? do_try_to_free_pages+0x1290/0x1290
[  732.966780]  ? lock_acquire+0x1ed/0x520
[  732.970754]  ? set_page_refcounted+0x280/0x280
[  732.975358]  ? lock_release+0xa00/0xa00
[  732.979340]  ? _raw_spin_unlock_irq+0x60/0x80
[  732.983838]  ? psi_memstall_enter+0x240/0x2b0
[  732.988337]  ? psi_memstall_tick+0x230/0x230
[  732.992760]  __alloc_pages_slowpath+0xa48/0x2de0
[  732.997551]  ? warn_alloc+0x120/0x120
[  733.001356]  ? mark_held_locks+0x130/0x130
[  733.005600]  ? find_get_entry+0xaae/0x1120
[  733.009866]  ? filemap_map_pages+0x1a20/0x1a20
[  733.014451]  ? zap_class+0x640/0x640
[  733.018171]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  733.023711]  ? check_preemption_disabled+0x48/0x280
[  733.028732]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  733.034270]  ? should_fail+0x22d/0xd01
[  733.038188]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  733.043304]  ? zap_class+0x640/0x640
[  733.047071]  ? __lock_is_held+0xb5/0x140
[  733.051139]  ? mark_held_locks+0x130/0x130
[  733.055383]  ? lock_release+0xa00/0xa00
[  733.059364]  ? perf_trace_sched_process_exec+0x860/0x860
[  733.064814]  ? xa_load+0x2ba/0x460
[  733.068359]  ? lock_downgrade+0x900/0x900
[  733.072514]  ? __might_sleep+0x95/0x190
[  733.076500]  __alloc_pages_nodemask+0xad8/0xea0
[  733.081185]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  733.086208]  ? __page_cache_alloc+0x191/0x5c0
[  733.090703]  ? xa_load+0x2e1/0x460
[  733.094269]  ? xa_clear_mark+0x40/0x40
[  733.098199]  ? zap_class+0x640/0x640
[  733.101920]  ? zap_class+0x640/0x640
[  733.105637]  ? zap_class+0x640/0x640
[  733.109350]  ? __do_page_cache_readahead+0x663/0x810
[  733.114461]  ? find_held_lock+0x36/0x1c0
[  733.118530]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  733.124108]  alloc_pages_current+0x173/0x350
[  733.128521]  __page_cache_alloc+0x38c/0x5c0
[  733.132838]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  733.137766]  ? kasan_check_read+0x11/0x20
[  733.141911]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  733.147213]  ? generic_perform_write+0x6a0/0x6a0
[  733.151967]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  733.157507]  ? check_preemption_disabled+0x48/0x280
[  733.162533]  filemap_fault+0x1595/0x25f0
[  733.166630]  ? __lock_page_or_retry+0xa00/0xa00
[  733.171315]  ? mark_held_locks+0x130/0x130
[  733.175571]  ? filemap_map_pages+0xd6b/0x1a20
[  733.180075]  ? lock_downgrade+0x900/0x900
[  733.184233]  ? check_preemption_disabled+0x48/0x280
[  733.189257]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  733.194189]  ? kasan_check_read+0x11/0x20
[  733.198341]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  733.203632]  ? rcu_softirq_qs+0x20/0x20
[  733.207624]  ? filemap_map_pages+0xd92/0x1a20
[  733.212143]  ? find_get_entries_tag+0x1400/0x1400
[  733.216993]  ? debug_object_destroy+0x2b0/0x2b0
[  733.221673]  ? lock_pi_update_atomic+0x150/0x150
[  733.226434]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  733.231994]  ? lock_acquire+0x1ed/0x520
[  733.235974]  ? ext4_filemap_fault+0x7a/0xad
[  733.240320]  ? lock_release+0xa00/0xa00
[  733.244327]  ? perf_trace_sched_process_exec+0x860/0x860
[  733.249788]  ? print_usage_bug+0xc0/0xc0
[  733.253858]  ? print_usage_bug+0xc0/0xc0
[  733.257937]  ? down_read+0x8d/0x120
[  733.261587]  ? ext4_filemap_fault+0x7a/0xad
[  733.265919]  ? __down_interruptible+0x700/0x700
[  733.270606]  ext4_filemap_fault+0x82/0xad
[  733.274768]  __do_fault+0x100/0x6b0
[  733.278403]  ? release_sock+0x1ec/0x2c0
[  733.282393]  ? pmd_devmap_trans_unstable+0x220/0x220
[  733.287632]  ? mark_held_locks+0x130/0x130
[  733.291882]  ? mark_held_locks+0x130/0x130
[  733.296127]  ? lock_sock_nested+0x9a/0x120
[  733.300371]  ? __release_sock+0x3a0/0x3a0
[  733.304525]  ? __local_bh_enable_ip+0x160/0x260
[  733.309215]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  733.314766]  __handle_mm_fault+0x3ea0/0x5be0
[  733.319191]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  733.324042]  ? apparmor_socket_sendmsg+0x29/0x30
[  733.328809]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  733.334361]  ? security_socket_sendmsg+0x94/0xc0
[  733.339130]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  733.344692]  ? zap_class+0x640/0x640
[  733.348413]  ? zap_class+0x640/0x640
[  733.352134]  ? __x64_sys_futex+0x53e/0x6a0
[  733.356388]  ? find_held_lock+0x36/0x1c0
[  733.360466]  ? handle_mm_fault+0x42a/0xc70
[  733.364712]  ? lock_downgrade+0x900/0x900
[  733.368866]  ? check_preemption_disabled+0x48/0x280
[  733.373892]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  733.378829]  ? kasan_check_read+0x11/0x20
[  733.382983]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  733.388268]  ? rcu_softirq_qs+0x20/0x20
[  733.392268]  ? trace_hardirqs_off_caller+0x310/0x310
[  733.397398]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  733.402948]  ? check_preemption_disabled+0x48/0x280
[  733.407980]  handle_mm_fault+0x54f/0xc70
[  733.412052]  ? __handle_mm_fault+0x5be0/0x5be0
[  733.416653]  ? find_vma+0x34/0x190
[  733.420208]  __do_page_fault+0x5e8/0xe60
[  733.424277]  ? trace_hardirqs_off+0xb8/0x310
[  733.428707]  ? __ia32_sys_read+0xb0/0xb0
[  733.432816]  do_page_fault+0xf2/0x7e0
[  733.436625]  ? vmalloc_sync_all+0x30/0x30
[  733.440786]  ? error_entry+0x70/0xd0
[  733.444513]  ? trace_hardirqs_off_caller+0xbb/0x310
[  733.449541]  ? trace_hardirqs_on_caller+0xc0/0x310
[  733.454489]  ? syscall_return_slowpath+0x5e0/0x5e0
[  733.459429]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  733.464284]  ? trace_hardirqs_on_caller+0x310/0x310
[  733.469340]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  733.474894]  ? prepare_exit_to_usermode+0x291/0x3b0
[  733.479916]  ? page_fault+0x8/0x30
[  733.483470]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  733.488342]  ? page_fault+0x8/0x30
[  733.491892]  page_fault+0x1e/0x30
[  733.495356] RIP: 0033:0x45ddf3
[  733.498575] Code: Bad RIP value.
[  733.501944] RSP: 002b:000000c420023ea0 EFLAGS: 00010202
[  733.507330] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
[  733.514604] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  733.521969] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  733.529259] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  733.536583] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
[  733.543886] warn_alloc_show_mem: 1 callbacks suppressed
[  733.543898] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304
[  733.543900] Mem-Info:
[  733.543930] active_anon:59588 inactive_anon:187 isolated_anon:0
[  733.543930]  active_file:13 inactive_file:14 isolated_file:0
[  733.543930]  unevictable:0 dirty:0 writeback:0 unstable:0
[  733.543930]  slab_reclaimable:10147 slab_unreclaimable:1445690
[  733.543930]  mapped:49154 shmem:244 pagetables:690 bounce:0
[  733.543930]  free:13773 free_pcp:174 free_cma:0
[  733.549269] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  733.549278] Call Trace:
[  733.556584] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  733.558992]  <IRQ>
[  733.591954] 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
[  733.601339]  dump_stack+0x244/0x39d
[  733.603903] lowmem_reserve[]: 0 2818 6321 6321
[  733.631416]  ? dump_stack_print_info.cold.1+0x20/0x20
[  733.633549] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  733.659672]  warn_alloc.cold.116+0xb7/0x1bd
[  733.663275] lowmem_reserve[]: 0 0 3503 3503
[  733.667877]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  733.673103] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB
[  733.700617]  ? lock_downgrade+0x900/0x900
[  733.704917] lowmem_reserve[]: 0 0 0 0
[  733.709244]  ? trace_hardirqs_off+0xb8/0x310
[  733.714070] 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
[  733.742962]  ? trace_hardirqs_off+0xb8/0x310
[  733.747089] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
[  733.750899]  __alloc_pages_slowpath+0x2651/0x2de0
[  733.755289] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  733.768854]  ? warn_alloc+0x120/0x120
[  733.773226] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  733.789174]  ? warn_alloc+0x120/0x120
[  733.794002] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  733.807650]  ? warn_alloc+0x120/0x120
[  733.811435] 271 total pagecache pages
[  733.820275]  ? print_usage_bug+0xc0/0xc0
[  733.824068] 0 pages in swap cache
[  733.832640]  ? print_usage_bug+0xc0/0xc0
[  733.836431] Swap cache stats: add 0, delete 0, find 0/0
[  733.840233]  ? print_usage_bug+0xc0/0xc0
[  733.844276] Free swap  = 0kB
[  733.847750]  ? mark_held_locks+0x130/0x130
[  733.851795] Total swap = 0kB
[  733.857164]  ? check_preemption_disabled+0x48/0x280
[  733.861208] 1965979 pages RAM
[  733.864231]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  733.868449] 0 pages HighMem/MovableOnly
[  733.871480]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  733.876480] 342854 pages reserved
[  733.879588]  ? should_fail+0x22d/0xd01
[  733.884068] 0 pages cma reserved
[  733.888048]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  733.893628] aoe: skb alloc failure
[  733.897028]  ? __lock_acquire+0x62f/0x4c20
[  733.900930] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  733.904270]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  733.909361] syz-fuzzer cpuset=/ mems_allowed=0
[  733.912905]  ? __lock_acquire+0x62f/0x4c20
[  733.941340]  ? should_fail+0x22d/0xd01
[  733.945252]  ? mark_held_locks+0x130/0x130
[  733.949500]  ? mark_held_locks+0x130/0x130
[  733.953747]  ? mark_held_locks+0xc7/0x130
[  733.957907]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  733.963113]  ? zap_class+0x640/0x640
[  733.966839]  ? print_usage_bug+0xc0/0xc0
[  733.970912]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  733.976463]  ? check_preemption_disabled+0x48/0x280
[  733.981501]  ? __lock_is_held+0xb5/0x140
[  733.985576]  __alloc_pages_nodemask+0xad8/0xea0
[  733.990256]  ? zap_class+0x640/0x640
[  733.993988]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  733.999026]  ? find_held_lock+0x36/0x1c0
[  734.003115]  ? ____cache_alloc_node+0x1c7/0x1e0
[  734.007803]  ? lock_downgrade+0x900/0x900
[  734.011970]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  734.017530]  cache_grow_begin+0xa5/0x8c0
[  734.021603]  ? do_raw_spin_unlock+0xa7/0x330
[  734.026027]  fallback_alloc+0x204/0x2e0
[  734.030022]  ____cache_alloc_node+0x1c7/0x1e0
[  734.034537]  kmem_cache_alloc_node+0xe3/0x730
[  734.039041]  ? ipv6_get_ifaddr+0x42e/0x620
[  734.043312]  __alloc_skb+0x119/0x770
[  734.047036]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  734.052347]  ? netdev_alloc_frag+0x1f0/0x1f0
[  734.056764]  ? lock_downgrade+0x900/0x900
[  734.060931]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  734.066481]  ? refcount_sub_and_test_checked+0x203/0x310
[  734.071947]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  734.077585]  ? addrconf_rs_timer+0x690/0x690
[  734.082023]  ndisc_alloc_skb+0x144/0x340
[  734.086108]  ndisc_send_rs+0x331/0x6e0
[  734.090015]  addrconf_rs_timer+0x314/0x690
[  734.094776]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  734.099037]  call_timer_fn+0x272/0x920
[  734.102938]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  734.107186]  ? process_timeout+0x40/0x40
[  734.111262]  ? __run_timers+0x7da/0xc70
[  734.115266]  ? _raw_spin_unlock_irq+0x27/0x80
[  734.119785]  ? _raw_spin_unlock_irq+0x27/0x80
[  734.124285]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  734.128556]  ? lockdep_hardirqs_on+0x296/0x5b0
[  734.133151]  ? trace_hardirqs_on+0xbd/0x310
[  734.137480]  ? kasan_check_read+0x11/0x20
[  734.141636]  ? __run_timers+0x7da/0xc70
[  734.146836]  ? trace_hardirqs_off_caller+0x310/0x310
[  734.151961]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  734.156204]  __run_timers+0x7e5/0xc70
[  734.160024]  ? timer_fixup_init+0x70/0x70
[  734.164190]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  734.169221]  ? zap_class+0x640/0x640
[  734.172947]  ? enqueue_hrtimer+0x1a5/0x560
[  734.177193]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  734.182404]  ? find_held_lock+0x36/0x1c0
[  734.186485]  ? zap_class+0x640/0x640
[  734.190215]  ? pvclock_read_flags+0x160/0x160
[  734.194723]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  734.200270]  ? check_preemption_disabled+0x48/0x280
[  734.205337]  ? __lock_is_held+0xb5/0x140
[  734.209413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  734.214963]  ? check_preemption_disabled+0x48/0x280
[  734.219997]  run_timer_softirq+0x52/0xb0
[  734.224073]  ? rcu_read_lock_sched_held+0x14f/0x180
[  734.229106]  __do_softirq+0x308/0xb7e
[  734.232920]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  734.237509]  ? lock_downgrade+0x900/0x900
[  734.241673]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  734.246796]  ? pvclock_read_flags+0x160/0x160
[  734.251327]  ? lapic_next_event+0x5a/0x90
[  734.255488]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  734.261037]  ? kvm_clock_read+0x18/0x30
[  734.265025]  ? kvm_sched_clock_read+0x9/0x20
[  734.269455]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  734.275002]  ? check_preemption_disabled+0x48/0x280
[  734.280037]  irq_exit+0x17f/0x1c0
[  734.283505]  smp_apic_timer_interrupt+0x1cb/0x760
[  734.288358]  ? smp_reschedule_interrupt+0x109/0x650
[  734.293389]  ? smp_call_function_single_interrupt+0x650/0x650
[  734.299290]  ? interrupt_entry+0xb5/0xc0
[  734.303386]  ? trace_hardirqs_off_caller+0xbb/0x310
[  734.308410]  ? trace_hardirqs_off_caller+0xbb/0x310
[  734.313436]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  734.318288]  ? trace_hardirqs_on_caller+0x310/0x310
[  734.323342]  ? trace_hardirqs_on_caller+0x310/0x310
[  734.328384]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  734.333246]  apic_timer_interrupt+0xf/0x20
[  734.337486]  </IRQ>
[  734.339737] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  734.345633] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
[  734.364541] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  734.372260] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  734.379553] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286
[  734.386826] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000
[  734.394104] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40
[  734.401381] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286
[  734.408691]  ? save_stack+0xa9/0xd0
[  734.412354]  __kmalloc_node_track_caller+0x3c/0x70
[  734.417318]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  734.422093]  pskb_expand_head+0x230/0x10f0
[  734.426363]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  734.431829]  ? memcpy+0x45/0x50
[  734.435118]  ? __copy_skb_header+0x350/0x6b0
[  734.439535]  ? skb_release_data+0x880/0x880
[  734.443866]  ? __alloc_skb+0x770/0x770
[  734.447778]  ? __lock_is_held+0xb5/0x140
[  734.451854]  ? kasan_check_write+0x14/0x20
[  734.456095]  ? __skb_clone+0x6c7/0xa00
[  734.459993]  ? __copy_skb_header+0x6b0/0x6b0
[  734.464408]  ? kmem_cache_alloc+0x33a/0x730
[  734.468741]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  734.474314]  skb_ensure_writable+0x3dd/0x640
[  734.478742]  ? skb_checksum_setup+0xaa0/0xaa0
[  734.483248]  ? preempt_notifier_register+0x200/0x200
[  734.488359]  ? __switch_to_asm+0x34/0x70
[  734.492428]  ? __switch_to_asm+0x34/0x70
[  734.496495]  ? __switch_to_asm+0x40/0x70
[  734.500562]  ? __switch_to_asm+0x34/0x70
[  734.504636]  ? __switch_to_asm+0x40/0x70
[  734.508709]  ? __switch_to_asm+0x40/0x70
[  734.512776]  ? __switch_to_asm+0x34/0x70
[  734.516848]  ? __switch_to_asm+0x34/0x70
[  734.520914]  ? __switch_to_asm+0x40/0x70
[  734.524981]  ? __switch_to_asm+0x34/0x70
[  734.529062]  bpf_clone_redirect+0x14a/0x490
[  734.533406]  bpf_prog_12ab75334035c288+0xfcd/0x1000
[  734.538434]  ? __sched_text_start+0x8/0x8
[  734.542594]  ? retint_kernel+0x2d/0x2d
[  734.546503]  ? find_held_lock+0x36/0x1c0
[  734.550587]  ? lock_acquire+0x1ed/0x520
[  734.554573]  ? bpf_test_run+0x3cb/0x780
[  734.558557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  734.564106]  ? check_preemption_disabled+0x48/0x280
[  734.569138]  ? kasan_check_read+0x11/0x20
[  734.573334]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  734.578621]  ? rcu_softirq_qs+0x20/0x20
[  734.582607]  ? preempt_schedule+0x4d/0x60
[  734.586762]  ? ___preempt_schedule+0x16/0x18
[  734.591189]  ? bpf_test_run+0x25d/0x780
[  734.595186]  ? netlink_diag_dump+0x2a0/0x2a0
[  734.599612]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  734.605162]  ? bpf_test_init.isra.10+0x70/0x100
[  734.609849]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  734.614628]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  734.619481]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  734.625028]  ? fput+0x130/0x1a0
[  734.628341]  ? __bpf_prog_get+0x9b/0x290
[  734.632416]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  734.637267]  ? bpf_prog_test_run+0x130/0x1a0
[  734.641704]  ? __x64_sys_bpf+0x3d8/0x520
[  734.645773]  ? bpf_prog_get+0x20/0x20
[  734.649602]  ? do_syscall_64+0x1b9/0x820
[  734.653672]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  734.659049]  ? syscall_return_slowpath+0x5e0/0x5e0
[  734.664001]  ? trace_hardirqs_on_caller+0x310/0x310
[  734.669032]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  734.674073]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  734.680748]  ? __switch_to_asm+0x40/0x70
[  734.684816]  ? __switch_to_asm+0x34/0x70
[  734.688892]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  734.693757]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  734.699151] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
[  734.699220] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  734.706174] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  734.706179] Call Trace:
[  734.706187]  <IRQ>
[  734.706204]  dump_stack+0x244/0x39d
[  734.706225]  ? dump_stack_print_info.cold.1+0x20/0x20
[  734.712764] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  734.722069]  warn_alloc.cold.116+0xb7/0x1bd
[  734.724639] syz-executor3 cpuset=syz3 mems_allowed=0
[  734.726794]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  734.760329]  ? lock_downgrade+0x900/0x900
[  734.764501]  ? trace_hardirqs_off+0xb8/0x310
[  734.768929]  ? trace_hardirqs_off+0xb8/0x310
[  734.773363]  __alloc_pages_slowpath+0x2651/0x2de0
[  734.778247]  ? warn_alloc+0x120/0x120
[  734.782060]  ? warn_alloc+0x120/0x120
[  734.785875]  ? __lock_acquire+0x62f/0x4c20
[  734.790121]  ? warn_alloc+0x120/0x120
[  734.793933]  ? print_usage_bug+0xc0/0xc0
[  734.798010]  ? print_usage_bug+0xc0/0xc0
[  734.802085]  ? mark_held_locks+0x130/0x130
[  734.806353]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  734.811903]  ? should_fail+0x22d/0xd01
[  734.815798]  ? zap_class+0x640/0x640
[  734.819525]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  734.824646]  ? __lock_acquire+0x62f/0x4c20
[  734.828892]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  734.834002]  ? should_fail+0x22d/0xd01
[  734.837913]  ? mark_held_locks+0x130/0x130
[  734.842163]  ? mark_held_locks+0x130/0x130
[  734.846407]  ? lock_downgrade+0x900/0x900
[  734.850575]  ? zap_class+0x640/0x640
[  734.854315]  ? zap_class+0x640/0x640
[  734.858043]  ? zap_class+0x640/0x640
[  734.861764]  ? do_raw_spin_unlock+0xa7/0x330
[  734.866184]  ? trace_hardirqs_on+0x310/0x310
[  734.870686]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  734.876234]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  734.881783]  ? check_preemption_disabled+0x48/0x280
[  734.886817]  ? __lock_is_held+0xb5/0x140
[  734.890893]  __alloc_pages_nodemask+0xad8/0xea0
[  734.895574]  ? zap_class+0x640/0x640
[  734.899321]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  734.904368]  ? find_held_lock+0x36/0x1c0
[  734.908451]  ? ____cache_alloc_node+0x1c7/0x1e0
[  734.913133]  ? lock_downgrade+0x900/0x900
[  734.917316]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  734.922868]  cache_grow_begin+0xa5/0x8c0
[  734.926937]  ? do_raw_spin_unlock+0xa7/0x330
[  734.931366]  fallback_alloc+0x204/0x2e0
[  734.935373]  ____cache_alloc_node+0x1c7/0x1e0
[  734.939884]  kmem_cache_alloc_node+0xe3/0x730
[  734.944394]  ? lockdep_hardirqs_on+0x296/0x5b0
[  734.948994]  __alloc_skb+0x119/0x770
[  734.952719]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  734.958094]  ? netdev_alloc_frag+0x1f0/0x1f0
[  734.962523]  ? vprintk_default+0x28/0x30
[  734.966596]  ? vprintk_func+0x85/0x181
[  734.970497]  ? printk+0xa7/0xcf
[  734.973784]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  734.978565]  new_skb+0x26/0x1c0
[  734.981857]  aoecmd_cfg+0x279/0x7f0
[  734.985494]  ? find_held_lock+0x36/0x1c0
[  734.989576]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  734.993916]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  734.999476]  ? __lock_is_held+0xb5/0x140
[  735.003569]  discover_timer+0x50/0x60
[  735.007384]  call_timer_fn+0x272/0x920
[  735.011282]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  735.016155]  ? process_timeout+0x40/0x40
[  735.020235]  ? mark_held_locks+0xc7/0x130
[  735.024396]  ? _raw_spin_unlock_irq+0x27/0x80
[  735.028903]  ? _raw_spin_unlock_irq+0x27/0x80
[  735.033406]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  735.038258]  ? lockdep_hardirqs_on+0x296/0x5b0
[  735.042851]  ? trace_hardirqs_on+0xbd/0x310
[  735.047184]  ? kasan_check_read+0x11/0x20
[  735.051358]  ? __run_timers+0x7da/0xc70
[  735.055364]  ? trace_hardirqs_off_caller+0x310/0x310
[  735.060491]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  735.065344]  __run_timers+0x7e5/0xc70
[  735.069162]  ? timer_fixup_init+0x70/0x70
[  735.073341]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  735.078372]  ? zap_class+0x640/0x640
[  735.082099]  ? print_usage_bug+0xc0/0xc0
[  735.086169]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  735.091378]  ? find_held_lock+0x36/0x1c0
[  735.095452]  ? zap_class+0x640/0x640
[  735.099180]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  735.104730]  ? check_preemption_disabled+0x48/0x280
[  735.109805]  ? __lock_is_held+0xb5/0x140
[  735.113876]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  735.119421]  ? check_preemption_disabled+0x48/0x280
[  735.124454]  run_timer_softirq+0x52/0xb0
[  735.128529]  ? rcu_read_lock_sched_held+0x14f/0x180
[  735.133575]  __do_softirq+0x308/0xb7e
[  735.137393]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  735.141898]  ? lock_downgrade+0x900/0x900
[  735.146064]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  735.151187]  ? pvclock_read_flags+0x160/0x160
[  735.155695]  ? lapic_next_event+0x5a/0x90
[  735.159857]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  735.165412]  ? kvm_clock_read+0x18/0x30
[  735.169395]  ? kvm_sched_clock_read+0x9/0x20
[  735.173815]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  735.179368]  ? check_preemption_disabled+0x48/0x280
[  735.184409]  irq_exit+0x17f/0x1c0
[  735.187873]  smp_apic_timer_interrupt+0x1cb/0x760
[  735.192728]  ? smp_call_function_single_interrupt+0x159/0x650
[  735.198631]  ? smp_call_function_single_interrupt+0x650/0x650
[  735.204527]  ? interrupt_entry+0xb5/0xc0
[  735.208606]  ? trace_hardirqs_off_caller+0xbb/0x310
[  735.213630]  ? trace_hardirqs_off_caller+0xbb/0x310
[  735.218655]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  735.223512]  ? trace_hardirqs_on_caller+0x310/0x310
[  735.228537]  ? trace_hardirqs_on_caller+0x310/0x310
[  735.233574]  ? task_prio+0x50/0x50
[  735.237124]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  735.242671]  ? check_preemption_disabled+0x48/0x280
[  735.247702]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  735.252567]  apic_timer_interrupt+0xf/0x20
[  735.256809]  </IRQ>
[  735.259055] RIP: 0010:rcu_is_watching+0x0/0x30
[  735.263653] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
[  735.282565] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  735.290279] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
[  735.297576] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
[  735.304851] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
[  735.312127] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
[  735.319402] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  735.326695]  ? list_lru_count_one+0x253/0x450
[  735.331202]  ? list_lru_count_one+0x35d/0x450
[  735.335713]  ? list_lru_count_one+0x362/0x450
[  735.340216]  ? list_lru_isolate_move+0x3c0/0x3c0
[  735.344979]  ? shmem_free_inode+0xd0/0xd0
[  735.349140]  ? __lock_is_held+0xb5/0x140
[  735.353220]  super_cache_count+0x1b9/0x2e0
[  735.357474]  do_shrink_slab+0x1b1/0xd30
[  735.361469]  ? snapshot_refaults+0x290/0x290
[  735.365891]  ? lock_release+0xa00/0xa00
[  735.369879]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  735.374831]  ? down_read_trylock+0xda/0x140
[  735.379158]  ? shrink_slab+0x207/0x8c0
[  735.383056]  ? downgrade_write+0x270/0x270
[  735.387331]  shrink_slab+0x389/0x8c0
[  735.391054]  ? shrink_active_list+0x1f00/0x1f00
[  735.395745]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  735.401384]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  735.406507]  ? cgroup_procs_write_finish+0xf0/0xf0
[  735.411454]  ? find_held_lock+0x36/0x1c0
[  735.415531]  shrink_node+0x431/0x16b0
[  735.419367]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  735.424683]  ? shrink_node_memcg+0x18f0/0x18f0
[  735.429278]  ? kvm_clock_read+0x18/0x30
[  735.433279]  ? ktime_get+0x2c1/0x400
[  735.437022]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  735.441530]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  735.447080]  ? __cpuset_node_allowed+0x19b/0x660
[  735.451849]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  735.457579]  ? delayacct_end+0x5a/0x100
[  735.461577]  do_try_to_free_pages+0x3e7/0x1290
[  735.466170]  ? zap_class+0x640/0x640
[  735.469907]  ? shrink_node+0x16b0/0x16b0
[  735.473983]  ? __lock_is_held+0xb5/0x140
[  735.478069]  try_to_free_pages+0x4d0/0xb90
[  735.482373]  ? do_try_to_free_pages+0x1290/0x1290
[  735.487237]  ? lock_acquire+0x1ed/0x520
[  735.491222]  ? set_page_refcounted+0x280/0x280
[  735.495822]  ? lock_release+0xa00/0xa00
[  735.499806]  ? _raw_spin_unlock_irq+0x60/0x80
[  735.504329]  ? psi_memstall_enter+0x240/0x2b0
[  735.508838]  ? psi_memstall_tick+0x230/0x230
[  735.513266]  __alloc_pages_slowpath+0xa48/0x2de0
[  735.518078]  ? warn_alloc+0x120/0x120
[  735.521887]  ? mark_held_locks+0x130/0x130
[  735.526136]  ? find_get_entry+0xaae/0x1120
[  735.530392]  ? filemap_map_pages+0x1a20/0x1a20
[  735.534989]  ? zap_class+0x640/0x640
[  735.538719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  735.544266]  ? check_preemption_disabled+0x48/0x280
[  735.549322]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  735.554882]  ? should_fail+0x22d/0xd01
[  735.558784]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  735.563899]  ? zap_class+0x640/0x640
[  735.567647]  ? __lock_is_held+0xb5/0x140
[  735.571728]  ? mark_held_locks+0x130/0x130
[  735.575978]  ? lock_release+0xa00/0xa00
[  735.579960]  ? perf_trace_sched_process_exec+0x860/0x860
[  735.585422]  ? xa_load+0x2ba/0x460
[  735.588971]  ? lock_downgrade+0x900/0x900
[  735.593131]  ? __might_sleep+0x95/0x190
[  735.597118]  __alloc_pages_nodemask+0xad8/0xea0
[  735.601807]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  735.606831]  ? __page_cache_alloc+0x191/0x5c0
[  735.611346]  ? xa_load+0x2e1/0x460
[  735.614893]  ? xa_clear_mark+0x40/0x40
[  735.618793]  ? zap_class+0x640/0x640
[  735.622523]  ? zap_class+0x640/0x640
[  735.626247]  ? zap_class+0x640/0x640
[  735.629968]  ? __do_page_cache_readahead+0x663/0x810
[  735.635088]  ? find_held_lock+0x36/0x1c0
[  735.639166]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  735.644717]  alloc_pages_current+0x173/0x350
[  735.649141]  __page_cache_alloc+0x38c/0x5c0
[  735.653468]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  735.658409]  ? kasan_check_read+0x11/0x20
[  735.662571]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  735.667859]  ? generic_perform_write+0x6a0/0x6a0
[  735.672628]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  735.678180]  ? check_preemption_disabled+0x48/0x280
[  735.683214]  filemap_fault+0x1595/0x25f0
[  735.687315]  ? __lock_page_or_retry+0xa00/0xa00
[  735.692000]  ? mark_held_locks+0x130/0x130
[  735.696251]  ? filemap_map_pages+0xd6b/0x1a20
[  735.700756]  ? lock_downgrade+0x900/0x900
[  735.704910]  ? check_preemption_disabled+0x48/0x280
[  735.709938]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  735.714876]  ? kasan_check_read+0x11/0x20
[  735.719033]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  735.724332]  ? rcu_softirq_qs+0x20/0x20
[  735.728350]  ? filemap_map_pages+0xd92/0x1a20
[  735.732872]  ? find_get_entries_tag+0x1400/0x1400
[  735.737728]  ? debug_object_destroy+0x2b0/0x2b0
[  735.742411]  ? lock_pi_update_atomic+0x150/0x150
[  735.747172]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  735.752732]  ? lock_acquire+0x1ed/0x520
[  735.756718]  ? ext4_filemap_fault+0x7a/0xad
[  735.761053]  ? lock_release+0xa00/0xa00
[  735.765035]  ? perf_trace_sched_process_exec+0x860/0x860
[  735.770495]  ? print_usage_bug+0xc0/0xc0
[  735.774574]  ? print_usage_bug+0xc0/0xc0
[  735.778656]  ? down_read+0x8d/0x120
[  735.782290]  ? ext4_filemap_fault+0x7a/0xad
[  735.786647]  ? __down_interruptible+0x700/0x700
[  735.791349]  ext4_filemap_fault+0x82/0xad
[  735.795508]  __do_fault+0x100/0x6b0
[  735.799143]  ? release_sock+0x1ec/0x2c0
[  735.803129]  ? pmd_devmap_trans_unstable+0x220/0x220
[  735.808244]  ? mark_held_locks+0x130/0x130
[  735.812490]  ? mark_held_locks+0x130/0x130
[  735.816731]  ? lock_sock_nested+0x9a/0x120
[  735.820975]  ? __release_sock+0x3a0/0x3a0
[  735.825130]  ? __local_bh_enable_ip+0x160/0x260
[  735.829809]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  735.835361]  __handle_mm_fault+0x3ea0/0x5be0
[  735.839793]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  735.844644]  ? apparmor_socket_sendmsg+0x29/0x30
[  735.849408]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  735.854954]  ? security_socket_sendmsg+0x94/0xc0
[  735.859726]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  735.865286]  ? zap_class+0x640/0x640
[  735.869031]  ? zap_class+0x640/0x640
[  735.872749]  ? __x64_sys_futex+0x53e/0x6a0
[  735.876995]  ? find_held_lock+0x36/0x1c0
[  735.881072]  ? handle_mm_fault+0x42a/0xc70
[  735.885331]  ? lock_downgrade+0x900/0x900
[  735.889489]  ? check_preemption_disabled+0x48/0x280
[  735.894519]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  735.899460]  ? kasan_check_read+0x11/0x20
[  735.903616]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  735.908902]  ? rcu_softirq_qs+0x20/0x20
[  735.912896]  ? trace_hardirqs_off_caller+0x310/0x310
[  735.918060]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  735.923609]  ? check_preemption_disabled+0x48/0x280
[  735.928643]  handle_mm_fault+0x54f/0xc70
[  735.932723]  ? __handle_mm_fault+0x5be0/0x5be0
[  735.937339]  ? find_vma+0x34/0x190
[  735.940908]  __do_page_fault+0x5e8/0xe60
[  735.944975]  ? trace_hardirqs_off+0xb8/0x310
[  735.949392]  ? __ia32_sys_read+0xb0/0xb0
[  735.953472]  do_page_fault+0xf2/0x7e0
[  735.957282]  ? vmalloc_sync_all+0x30/0x30
[  735.961456]  ? error_entry+0x70/0xd0
[  735.965439]  ? trace_hardirqs_off_caller+0xbb/0x310
[  735.970463]  ? trace_hardirqs_on_caller+0xc0/0x310
[  735.975406]  ? syscall_return_slowpath+0x5e0/0x5e0
[  735.980347]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  735.985198]  ? trace_hardirqs_on_caller+0x310/0x310
[  735.990221]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  735.995685]  ? prepare_exit_to_usermode+0x291/0x3b0
[  736.000714]  ? page_fault+0x8/0x30
[  736.004265]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  736.009136]  ? page_fault+0x8/0x30
[  736.012685]  page_fault+0x1e/0x30
[  736.016150] RIP: 0033:0x45ddf3
[  736.019370] Code: Bad RIP value.
[  736.022742] RSP: 002b:000000c420023ea0 EFLAGS: 00010202
[  736.028111] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
[  736.035387] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  736.042660] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  736.049951] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  736.057227] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
[  736.064535] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304
[  736.064541] warn_alloc_show_mem: 1 callbacks suppressed
[  736.064548] Mem-Info:
[  736.071829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  736.077383] active_anon:59588 inactive_anon:187 isolated_anon:0
[  736.077383]  active_file:13 inactive_file:14 isolated_file:0
[  736.077383]  unevictable:0 dirty:0 writeback:0 unstable:0
[  736.077383]  slab_reclaimable:10147 slab_unreclaimable:1445690
[  736.077383]  mapped:49154 shmem:244 pagetables:690 bounce:0
[  736.077383]  free:13773 free_pcp:174 free_cma:0
[  736.079766] Call Trace:
[  736.089163] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  736.122746]  <IRQ>
[  736.125339] 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
[  736.152841]  dump_stack+0x244/0x39d
[  736.154972] lowmem_reserve[]: 0 2818 6321 6321
[  736.181173]  ? dump_stack_print_info.cold.1+0x20/0x20
[  736.184780] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  736.189381]  warn_alloc.cold.116+0xb7/0x1bd
[  736.194541] lowmem_reserve[]: 0 0 3503 3503
[  736.222051]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  736.226357] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB
[  736.230690]  ? lock_downgrade+0x900/0x900
[  736.235515] lowmem_reserve[]: 0 0 0 0
[  736.264670]  ? trace_hardirqs_off+0xb8/0x310
[  736.268801] 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
[  736.272612]  ? trace_hardirqs_off+0xb8/0x310
[  736.277004] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
[  736.290531]  __alloc_pages_slowpath+0x2651/0x2de0
[  736.294917] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  736.310893]  ? warn_alloc+0x120/0x120
[  736.315707] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  736.329327]  ? print_usage_bug+0xc0/0xc0
[  736.333122] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  736.342001]  ? warn_alloc+0x120/0x120
[  736.346046] 271 total pagecache pages
[  736.354627]  ? warn_alloc+0x120/0x120
[  736.358424] 0 pages in swap cache
[  736.362218]  ? print_usage_bug+0xc0/0xc0
[  736.366008] Swap cache stats: add 0, delete 0, find 0/0
[  736.369463]  ? print_usage_bug+0xc0/0xc0
[  736.373509] Free swap  = 0kB
[  736.378878]  ? __lock_acquire+0x62f/0x4c20
[  736.382925] Total swap = 0kB
[  736.385945]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  736.390159] 1965979 pages RAM
[  736.393181]  ? should_fail+0x22d/0xd01
[  736.398700] 0 pages HighMem/MovableOnly
[  736.401823]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  736.405696] 342854 pages reserved
[  736.409670]  ? __lock_acquire+0x62f/0x4c20
[  736.414759] 0 pages cma reserved
[  736.418213]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  736.422487] aoe: skb alloc failure
[  736.425791]  ? __lock_acquire+0x62f/0x4c20
[  736.425803]  ? should_fail+0x22d/0xd01
[  736.425817]  ? find_held_lock+0x36/0x1c0
[  736.425839]  ? mark_held_locks+0x130/0x130
[  736.430951] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  736.434465]  ? mark_held_locks+0x130/0x130
[  736.438686] syz-fuzzer cpuset=/ mems_allowed=0
[  736.442568]  ? zap_class+0x640/0x640
[  736.442583]  ? zap_class+0x640/0x640
[  736.477330]  ? print_usage_bug+0xc0/0xc0
[  736.481406]  ? do_raw_spin_unlock+0xa7/0x330
[  736.485825]  ? zap_class+0x640/0x640
[  736.489551]  ? print_usage_bug+0xc0/0xc0
[  736.493619]  ? wq_watchdog_touch+0x9c/0xfe
[  736.497871]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  736.503423]  ? check_preemption_disabled+0x48/0x280
[  736.508463]  ? __lock_is_held+0xb5/0x140
[  736.512538]  __alloc_pages_nodemask+0xad8/0xea0
[  736.517219]  ? zap_class+0x640/0x640
[  736.520948]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  736.525986]  ? find_held_lock+0x36/0x1c0
[  736.530072]  ? ____cache_alloc_node+0x1c7/0x1e0
[  736.534752]  ? lock_downgrade+0x900/0x900
[  736.538930]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  736.544482]  cache_grow_begin+0xa5/0x8c0
[  736.548551]  ? do_raw_spin_unlock+0xa7/0x330
[  736.552974]  fallback_alloc+0x204/0x2e0
[  736.556966]  ____cache_alloc_node+0x1c7/0x1e0
[  736.561477]  kmem_cache_alloc_node+0xe3/0x730
[  736.565983]  ? ipv6_get_ifaddr+0x42e/0x620
[  736.570239]  __alloc_skb+0x119/0x770
[  736.573964]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  736.579257]  ? netdev_alloc_frag+0x1f0/0x1f0
[  736.583679]  ? lock_downgrade+0x900/0x900
[  736.587844]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  736.593400]  ? refcount_sub_and_test_checked+0x203/0x310
[  736.598863]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  736.604339]  ? addrconf_rs_timer+0x690/0x690
[  736.608768]  ndisc_alloc_skb+0x144/0x340
[  736.612844]  ndisc_send_rs+0x331/0x6e0
[  736.616745]  addrconf_rs_timer+0x314/0x690
[  736.620996]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  736.625248]  call_timer_fn+0x272/0x920
[  736.629143]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  736.633390]  ? process_timeout+0x40/0x40
[  736.637467]  ? __run_timers+0x7da/0xc70
[  736.641454]  ? _raw_spin_unlock_irq+0x27/0x80
[  736.645957]  ? _raw_spin_unlock_irq+0x27/0x80
[  736.650458]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  736.654705]  ? lockdep_hardirqs_on+0x296/0x5b0
[  736.659334]  ? trace_hardirqs_on+0xbd/0x310
[  736.663663]  ? kasan_check_read+0x11/0x20
[  736.667817]  ? __run_timers+0x7da/0xc70
[  736.671801]  ? trace_hardirqs_off_caller+0x310/0x310
[  736.676922]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  736.681173]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  736.685414]  __run_timers+0x7e5/0xc70
[  736.689231]  ? timer_fixup_init+0x70/0x70
[  736.693399]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  736.698428]  ? zap_class+0x640/0x640
[  736.702156]  ? enqueue_hrtimer+0x1a5/0x560
[  736.706403]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  736.711626]  ? find_held_lock+0x36/0x1c0
[  736.715714]  ? zap_class+0x640/0x640
[  736.719440]  ? pvclock_read_flags+0x160/0x160
[  736.723949]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  736.729496]  ? check_preemption_disabled+0x48/0x280
[  736.734533]  ? __lock_is_held+0xb5/0x140
[  736.738605]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  736.744149]  ? check_preemption_disabled+0x48/0x280
[  736.749183]  run_timer_softirq+0x52/0xb0
[  736.753252]  ? rcu_read_lock_sched_held+0x14f/0x180
[  736.758276]  __do_softirq+0x308/0xb7e
[  736.762111]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  736.766619]  ? lock_downgrade+0x900/0x900
[  736.770783]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  736.775900]  ? pvclock_read_flags+0x160/0x160
[  736.780406]  ? lapic_next_event+0x5a/0x90
[  736.784568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  736.790122]  ? kvm_clock_read+0x18/0x30
[  736.794109]  ? kvm_sched_clock_read+0x9/0x20
[  736.798530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  736.804082]  ? check_preemption_disabled+0x48/0x280
[  736.809118]  irq_exit+0x17f/0x1c0
[  736.812587]  smp_apic_timer_interrupt+0x1cb/0x760
[  736.817436]  ? smp_reschedule_interrupt+0x109/0x650
[  736.822462]  ? smp_call_function_single_interrupt+0x650/0x650
[  736.828357]  ? interrupt_entry+0xb5/0xc0
[  736.832432]  ? trace_hardirqs_off_caller+0xbb/0x310
[  736.837459]  ? trace_hardirqs_off_caller+0xbb/0x310
[  736.842489]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  736.847365]  ? trace_hardirqs_on_caller+0x310/0x310
[  736.852392]  ? trace_hardirqs_on_caller+0x310/0x310
[  736.857429]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  736.862293]  apic_timer_interrupt+0xf/0x20
[  736.866554]  </IRQ>
[  736.868806] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  736.874704] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
[  736.893611] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  736.901342] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  736.908622] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286
[  736.915896] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000
[  736.923170] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40
[  736.930445] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286
[  736.937748]  ? save_stack+0xa9/0xd0
[  736.941400]  __kmalloc_node_track_caller+0x3c/0x70
[  736.946350]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  736.951120]  pskb_expand_head+0x230/0x10f0
[  736.955366]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  736.960830]  ? memcpy+0x45/0x50
[  736.964123]  ? __copy_skb_header+0x350/0x6b0
[  736.968541]  ? skb_release_data+0x880/0x880
[  736.972875]  ? __alloc_skb+0x770/0x770
[  736.976774]  ? __lock_is_held+0xb5/0x140
[  736.980850]  ? kasan_check_write+0x14/0x20
[  736.985093]  ? __skb_clone+0x6c7/0xa00
[  736.988990]  ? __copy_skb_header+0x6b0/0x6b0
[  736.993410]  ? kmem_cache_alloc+0x33a/0x730
[  736.997742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  737.003313]  skb_ensure_writable+0x3dd/0x640
[  737.007738]  ? skb_checksum_setup+0xaa0/0xaa0
[  737.012250]  ? preempt_notifier_register+0x200/0x200
[  737.017363]  ? __switch_to_asm+0x34/0x70
[  737.021432]  ? __switch_to_asm+0x34/0x70
[  737.025502]  ? __switch_to_asm+0x40/0x70
[  737.029573]  ? __switch_to_asm+0x34/0x70
[  737.033641]  ? __switch_to_asm+0x40/0x70
[  737.037712]  ? __switch_to_asm+0x40/0x70
[  737.041780]  ? __switch_to_asm+0x34/0x70
[  737.045846]  ? __switch_to_asm+0x34/0x70
[  737.049914]  ? __switch_to_asm+0x40/0x70
[  737.053980]  ? __switch_to_asm+0x34/0x70
[  737.058062]  bpf_clone_redirect+0x14a/0x490
[  737.062407]  bpf_prog_12ab75334035c288+0xfcd/0x1000
[  737.067439]  ? __sched_text_start+0x8/0x8
[  737.071597]  ? retint_kernel+0x2d/0x2d
[  737.075505]  ? find_held_lock+0x36/0x1c0
[  737.079585]  ? lock_acquire+0x1ed/0x520
[  737.083574]  ? bpf_test_run+0x3cb/0x780
[  737.087573]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  737.093126]  ? check_preemption_disabled+0x48/0x280
[  737.098161]  ? kasan_check_read+0x11/0x20
[  737.102361]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  737.107649]  ? rcu_softirq_qs+0x20/0x20
[  737.111636]  ? preempt_schedule+0x4d/0x60
[  737.115796]  ? ___preempt_schedule+0x16/0x18
[  737.120222]  ? bpf_test_run+0x25d/0x780
[  737.124221]  ? netlink_diag_dump+0x2a0/0x2a0
[  737.128648]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  737.134198]  ? bpf_test_init.isra.10+0x70/0x100
[  737.138881]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  737.143658]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  737.148513]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  737.154064]  ? fput+0x130/0x1a0
[  737.157362]  ? __bpf_prog_get+0x9b/0x290
[  737.161437]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  737.166292]  ? bpf_prog_test_run+0x130/0x1a0
[  737.170730]  ? __x64_sys_bpf+0x3d8/0x520
[  737.174798]  ? bpf_prog_get+0x20/0x20
[  737.178628]  ? do_syscall_64+0x1b9/0x820
[  737.182700]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  737.188082]  ? syscall_return_slowpath+0x5e0/0x5e0
[  737.193024]  ? trace_hardirqs_on_caller+0x310/0x310
[  737.198061]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  737.203092]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  737.209767]  ? __switch_to_asm+0x40/0x70
[  737.213840]  ? __switch_to_asm+0x34/0x70
[  737.217914]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  737.222772]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  737.228162] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
[  737.228191] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[  737.235193] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  737.241417] rcu: 	(detected by 1, t=10552 jiffies, g=93125, q=12)
[  737.250770] Call Trace:
[  737.257008] rcu: All QSes seen, last rcu_preempt kthread activity 10405 (4295010873-4295000468), jiffies_till_next_fqs=1, root ->qsmask 0x0
[  737.259586]  <IRQ>
[  737.272233] syz-executor3   R  running task    22392  4363   6137 0x8010000c
[  737.274387]  dump_stack+0x244/0x39d
[  737.281566] Call Trace:
[  737.285197]  ? dump_stack_print_info.cold.1+0x20/0x20
[  737.287766]  <IRQ>
[  737.292963]  warn_alloc.cold.116+0xb7/0x1bd
[  737.295099]  sched_show_task.cold.84+0x2b6/0x30a
[  737.299411]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  737.304161]  ? can_nice.part.74+0x20/0x20
[  737.308998]  ? lock_downgrade+0x900/0x900
[  737.313142]  ? vprintk_default+0x28/0x30
[  737.317286]  ? trace_hardirqs_off+0xb8/0x310
[  737.321361]  ? vprintk_func+0x85/0x181
[  737.325769]  ? trace_hardirqs_off+0xb8/0x310
[  737.329649]  ? vprintk_func+0x85/0x181
[  737.334055]  __alloc_pages_slowpath+0x2651/0x2de0
[  737.337935]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  737.342789]  ? warn_alloc+0x120/0x120
[  737.347512]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  737.351328]  ? warn_alloc+0x120/0x120
[  737.356080]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  737.359870]  ? __lock_acquire+0x62f/0x4c20
[  737.365408]  print_other_cpu_stall.cold.66+0x7dd/0x8bb
[  737.369631]  ? warn_alloc+0x120/0x120
[  737.374902]  ? print_usage_bug+0xc0/0xc0
[  737.378696]  ? print_usage_bug+0xc0/0xc0
[  737.382752]  ? rcu_qs+0x110/0x110
[  737.386805]  ? print_usage_bug+0xc0/0xc0
[  737.390265]  ? zap_class+0x640/0x640
[  737.394326]  ? mark_held_locks+0x130/0x130
[  737.398031]  ? print_usage_bug+0xc0/0xc0
[  737.402262]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  737.406332]  ? kasan_check_read+0x11/0x20
[  737.411861]  ? should_fail+0x22d/0xd01
[  737.415998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  737.419879]  ? zap_class+0x640/0x640
[  737.425408]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  737.429112]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  737.434640]  ? do_trace_rcu_torture_read+0x10/0x10
[  737.439741]  ? __lock_acquire+0x62f/0x4c20
[  737.444664]  ? rcu_preempt_need_deferred_qs+0x74/0x1f0
[  737.448888]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  737.454157]  ? __lock_is_held+0xb5/0x140
[  737.459249]  ? should_fail+0x22d/0xd01
[  737.463323]  ? __rcu_read_lock+0x50/0x50
[  737.467211]  ? mark_held_locks+0x130/0x130
[  737.471258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  737.475488]  ? mark_held_locks+0x130/0x130
[  737.481019]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  737.485244]  ? lock_downgrade+0x900/0x900
[  737.490775]  ? check_preemption_disabled+0x48/0x280
[  737.494918]  ? zap_class+0x640/0x640
[  737.499931]  rcu_check_callbacks+0xfd7/0x13f0
[  737.503634]  ? zap_class+0x640/0x640
[  737.508123]  ? rcutree_dead_cpu+0x10/0x10
[  737.511832]  ? zap_class+0x640/0x640
[  737.515972]  ? lock_downgrade+0x900/0x900
[  737.519676]  ? do_raw_spin_unlock+0xa7/0x330
[  737.523816]  ? lock_release+0x960/0xa00
[  737.528235]  ? trace_hardirqs_on+0x310/0x310
[  737.532192]  ? zap_class+0x640/0x640
[  737.536596]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  737.540316]  ? zap_class+0x640/0x640
[  737.545848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  737.549553]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  737.555093]  ? check_preemption_disabled+0x48/0x280
[  737.560625]  ? pvclock_gtod_notify+0x2e3/0x3e0
[  737.565644]  ? __lock_is_held+0xb5/0x140
[  737.570211]  ? kvm_set_tsc_khz+0x540/0x540
[  737.574269]  __alloc_pages_nodemask+0xad8/0xea0
[  737.578493]  ? warn_alloc.cold.116+0xd1/0x1bd
[  737.583151]  ? zap_class+0x640/0x640
[  737.587641]  ? find_held_lock+0x36/0x1c0
[  737.591373]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  737.595432]  ? zap_class+0x640/0x640
[  737.600449]  ? find_held_lock+0x36/0x1c0
[  737.604148]  ? timekeeping_advance+0x3cc/0xc00
[  737.608210]  ? ____cache_alloc_node+0x1c7/0x1e0
[  737.612784]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  737.617450]  ? lock_downgrade+0x900/0x900
[  737.622983]  ? check_preemption_disabled+0x48/0x280
[  737.627126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  737.632134]  ? trace_hardirqs_off+0xb8/0x310
[  737.637664]  cache_grow_begin+0xa5/0x8c0
[  737.642068]  ? __lock_is_held+0xb5/0x140
[  737.646114]  ? do_raw_spin_unlock+0xa7/0x330
[  737.650167]  ? trace_hardirqs_on+0x310/0x310
[  737.654575]  fallback_alloc+0x204/0x2e0
[  737.658967]  ? check_preemption_disabled+0x48/0x280
[  737.662935]  ____cache_alloc_node+0x1c7/0x1e0
[  737.667957]  ? raise_softirq+0x199/0x420
[  737.672448]  kmem_cache_alloc_node+0xe3/0x730
[  737.676498]  ? raise_softirq_irqoff+0x2e0/0x2e0
[  737.680986]  ? lockdep_hardirqs_on+0x296/0x5b0
[  737.685648]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  737.690225]  __alloc_skb+0x119/0x770
[  737.695752]  ? check_preemption_disabled+0x48/0x280
[  737.699458]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  737.704473]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  737.709841]  ? netdev_alloc_frag+0x1f0/0x1f0
[  737.715372]  ? hrtimer_run_queues+0x9a/0x400
[  737.719774]  ? vprintk_default+0x28/0x30
[  737.724171]  ? run_local_timers+0x19b/0x230
[  737.728221]  ? vprintk_func+0x85/0x181
[  737.732535]  ? timer_clear_idle+0x90/0x90
[  737.736415]  ? printk+0xa7/0xcf
[  737.740559]  ? debug_smp_processor_id+0x1c/0x20
[  737.743834]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  737.748502]  ? irqtime_account_process_tick.isra.6+0x114/0x490
[  737.753254]  new_skb+0x26/0x1c0
[  737.759213]  ? account_process_tick+0x282/0x350
[  737.762480]  aoecmd_cfg+0x279/0x7f0
[  737.767143]  update_process_times+0x2d/0x70
[  737.770758]  ? find_held_lock+0x36/0x1c0
[  737.775082]  tick_sched_handle+0x9f/0x180
[  737.779132]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  737.783273]  tick_sched_timer+0x45/0x130
[  737.787596]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  737.791651]  __hrtimer_run_queues+0x41c/0x10d0
[  737.797186]  ? __lock_is_held+0xb5/0x140
[  737.801760]  ? tick_sched_do_timer+0x1a0/0x1a0
[  737.805824]  discover_timer+0x50/0x60
[  737.810393]  ? hrtimer_start_range_ns+0xe00/0xe00
[  737.814183]  call_timer_fn+0x272/0x920
[  737.819030]  ? pvclock_read_flags+0x160/0x160
[  737.822904]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  737.827392]  ? trace_hardirqs_on+0x310/0x310
[  737.832228]  ? process_timeout+0x40/0x40
[  737.836632]  ? zap_class+0x640/0x640
[  737.840694]  ? mark_held_locks+0xc7/0x130
[  737.844402]  ? kvm_clock_read+0x18/0x30
[  737.848546]  ? _raw_spin_unlock_irq+0x27/0x80
[  737.852516]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  737.857004]  ? _raw_spin_unlock_irq+0x27/0x80
[  737.862017]  ? ktime_get_update_offsets_now+0x3b3/0x540
[  737.866502]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  737.871861]  ? do_timer+0x50/0x50
[  737.876699]  ? lockdep_hardirqs_on+0x296/0x5b0
[  737.880147]  ? rwlock_bug.part.2+0x90/0x90
[  737.884727]  ? trace_hardirqs_on+0xbd/0x310
[  737.888957]  ? trace_hardirqs_on+0x310/0x310
[  737.893275]  ? kasan_check_read+0x11/0x20
[  737.897675]  ? rcu_softirq_qs+0x20/0x20
[  737.901813]  ? __run_timers+0x7da/0xc70
[  737.905788]  hrtimer_interrupt+0x313/0x780
[  737.909750]  ? trace_hardirqs_off_caller+0x310/0x310
[  737.914038]  smp_apic_timer_interrupt+0x1a1/0x760
[  737.919128]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  737.923959]  ? smp_call_function_single_interrupt+0x650/0x650
[  737.928792]  __run_timers+0x7e5/0xc70
[  737.934668]  ? interrupt_entry+0xb5/0xc0
[  737.938468]  ? timer_fixup_init+0x70/0x70
[  737.942516]  ? trace_hardirqs_off_caller+0xbb/0x310
[  737.946659]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  737.951667]  ? ____cache_alloc_node+0x1c7/0x1e0
[  737.956675]  ? zap_class+0x640/0x640
[  737.961353]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  737.965366]  ? print_usage_bug+0xc0/0xc0
[  737.970204]  ? trace_hardirqs_on_caller+0x310/0x310
[  737.974256]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  737.979274]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  737.984449]  ? find_held_lock+0x36/0x1c0
[  737.989288]  apic_timer_interrupt+0xf/0x20
[  737.993360]  ? zap_class+0x640/0x640
[  737.997593] RIP: 0010:kmem_cache_alloc_node+0x247/0x730
[  738.001316]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  738.006667] Code: 3f 7e 0f 85 32 ff ff ff e8 65 1b 3e ff e9 28 ff ff ff e8 0c 51 c3 ff 48 83 3d a4 99 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
[  738.012199]  ? check_preemption_disabled+0x48/0x280
[  738.031088] RSP: 0000:ffff8881daf07450 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  738.036125]  ? __lock_is_held+0xb5/0x140
[  738.043815] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff11030556549
[  738.047875]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  738.055138] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286
[  738.060676]  ? check_preemption_disabled+0x48/0x280
[  738.067934] RBP: ffff8881daf074c0 R08: ffff888182ab2a48 R09: 0000000000000002
[  738.072951]  run_timer_softirq+0x52/0xb0
[  738.080211] R10: 0000000000000000 R11: ffff888182ab2180 R12: ffff8881d9beec00
[  738.084272]  ? rcu_read_lock_sched_held+0x14f/0x180
[  738.091532] R13: ffff8881d9beec00 R14: 0000000000000000 R15: 0000000000000286
[  738.096734]  __do_softirq+0x308/0xb7e
[  738.104002]  ? apic_timer_interrupt+0xa/0x20
[  738.107800]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  738.112216]  ? ipv6_get_ifaddr+0x42e/0x620
[  738.116690]  ? lock_downgrade+0x900/0x900
[  738.120925]  __alloc_skb+0x119/0x770
[  738.125058]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  738.128767]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  738.133871]  ? pvclock_read_flags+0x160/0x160
[  738.139182]  ? netdev_alloc_frag+0x1f0/0x1f0
[  738.143673]  ? lapic_next_event+0x5a/0x90
[  738.148073]  ? lock_downgrade+0x900/0x900
[  738.152214]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  738.156363]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  738.161892]  ? kvm_clock_read+0x18/0x30
[  738.167425]  ? refcount_sub_and_test_checked+0x203/0x310
[  738.171394]  ? kvm_sched_clock_read+0x9/0x20
[  738.176839]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  738.181239]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  738.186684]  ? addrconf_rs_timer+0x690/0x690
[  738.192216]  ? check_preemption_disabled+0x48/0x280
[  738.196623]  ndisc_alloc_skb+0x144/0x340
[  738.201633]  irq_exit+0x17f/0x1c0
[  738.205688]  ndisc_send_rs+0x331/0x6e0
[  738.209139]  smp_apic_timer_interrupt+0x1cb/0x760
[  738.213020]  addrconf_rs_timer+0x314/0x690
[  738.217855]  ? smp_call_function_single_interrupt+0x159/0x650
[  738.222088]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  738.227964]  ? smp_call_function_single_interrupt+0x650/0x650
[  738.232198]  call_timer_fn+0x272/0x920
[  738.238073]  ? interrupt_entry+0xb5/0xc0
[  738.241954]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  738.246011]  ? trace_hardirqs_off_caller+0xbb/0x310
[  738.250238]  ? process_timeout+0x40/0x40
[  738.255250]  ? trace_hardirqs_off_caller+0xbb/0x310
[  738.259326]  ? __run_timers+0x7da/0xc70
[  738.264350]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  738.268329]  ? _raw_spin_unlock_irq+0x27/0x80
[  738.273168]  ? trace_hardirqs_on_caller+0x310/0x310
[  738.277656]  ? _raw_spin_unlock_irq+0x27/0x80
[  738.282669]  ? trace_hardirqs_on_caller+0x310/0x310
[  738.287157]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  738.292215]  ? task_prio+0x50/0x50
[  738.296443]  ? lockdep_hardirqs_on+0x296/0x5b0
[  738.299988]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  738.304560]  ? trace_hardirqs_on+0xbd/0x310
[  738.310095]  ? check_preemption_disabled+0x48/0x280
[  738.314410]  ? kasan_check_read+0x11/0x20
[  738.319422]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  738.323558]  ? __run_timers+0x7da/0xc70
[  738.328409]  apic_timer_interrupt+0xf/0x20
[  738.332376]  ? trace_hardirqs_off_caller+0x310/0x310
[  738.336602]  </IRQ>
[  738.341705]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  738.343936] RIP: 0010:rcu_is_watching+0x0/0x30
[  738.348162]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  738.352732] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
[  738.356964]  __run_timers+0x7e5/0xc70
[  738.375860] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  738.379664]  ? timer_fixup_init+0x70/0x70
[  738.387356] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
[  738.391503]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  738.398764] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
[  738.403781]  ? zap_class+0x640/0x640
[  738.411043] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
[  738.414758]  ? enqueue_hrtimer+0x1a5/0x560
[  738.422018] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
[  738.426253]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  738.433514] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  738.438705]  ? find_held_lock+0x36/0x1c0
[  738.445974]  ? list_lru_count_one+0x253/0x450
[  738.450027]  ? zap_class+0x640/0x640
[  738.454535]  ? list_lru_count_one+0x35d/0x450
[  738.458248]  ? pvclock_read_flags+0x160/0x160
[  738.462734]  ? list_lru_count_one+0x362/0x450
[  738.467224]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  738.471713]  ? list_lru_isolate_move+0x3c0/0x3c0
[  738.477247]  ? check_preemption_disabled+0x48/0x280
[  738.481996]  ? shmem_free_inode+0xd0/0xd0
[  738.487007]  ? __lock_is_held+0xb5/0x140
[  738.491145]  ? __lock_is_held+0xb5/0x140
[  738.495198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  738.499256]  super_cache_count+0x1b9/0x2e0
[  738.504782]  ? check_preemption_disabled+0x48/0x280
[  738.509017]  do_shrink_slab+0x1b1/0xd30
[  738.514032]  run_timer_softirq+0x52/0xb0
[  738.518004]  ? snapshot_refaults+0x290/0x290
[  738.522064]  ? rcu_read_lock_sched_held+0x14f/0x180
[  738.526459]  ? lock_release+0xa00/0xa00
[  738.531474]  __do_softirq+0x308/0xb7e
[  738.535439]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  738.539228]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  738.544160]  ? down_read_trylock+0xda/0x140
[  738.548645]  ? lock_downgrade+0x900/0x900
[  738.552957]  ? shrink_slab+0x207/0x8c0
[  738.557103]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  738.560981]  ? downgrade_write+0x270/0x270
[  738.566087]  ? pvclock_read_flags+0x160/0x160
[  738.570336]  shrink_slab+0x389/0x8c0
[  738.574820]  ? lapic_next_event+0x5a/0x90
[  738.578529]  ? shrink_active_list+0x1f00/0x1f00
[  738.582671]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  738.587347]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  738.592874]  ? kvm_clock_read+0x18/0x30
[  738.598490]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  738.602458]  ? kvm_sched_clock_read+0x9/0x20
[  738.607567]  ? cgroup_procs_write_finish+0xf0/0xf0
[  738.611973]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  738.616931]  ? find_held_lock+0x36/0x1c0
[  738.622477]  ? check_preemption_disabled+0x48/0x280
[  738.626567]  shrink_node+0x431/0x16b0
[  738.631564]  irq_exit+0x17f/0x1c0
[  738.635363]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  738.638807]  smp_apic_timer_interrupt+0x1cb/0x760
[  738.644099]  ? shrink_node_memcg+0x18f0/0x18f0
[  738.648918]  ? smp_reschedule_interrupt+0x109/0x650
[  738.653497]  ? kvm_clock_read+0x18/0x30
[  738.658509]  ? smp_call_function_single_interrupt+0x650/0x650
[  738.662478]  ? ktime_get+0x2c1/0x400
[  738.668371]  ? interrupt_entry+0xb5/0xc0
[  738.672079]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  738.676134]  ? trace_hardirqs_off_caller+0xbb/0x310
[  738.680621]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  738.685632]  ? trace_hardirqs_off_caller+0xbb/0x310
[  738.691163]  ? __cpuset_node_allowed+0x19b/0x660
[  738.696175]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  738.700921]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  738.705764]  ? trace_hardirqs_on_caller+0x310/0x310
[  738.711466]  ? delayacct_end+0x5a/0x100
[  738.716486]  ? trace_hardirqs_on_caller+0x310/0x310
[  738.720476]  do_try_to_free_pages+0x3e7/0x1290
[  738.725487]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  738.730054]  ? zap_class+0x640/0x640
[  738.734897]  apic_timer_interrupt+0xf/0x20
[  738.738614]  ? shrink_node+0x16b0/0x16b0
[  738.742827]  </IRQ>
[  738.746976]  ? __lock_is_held+0xb5/0x140
[  738.749211] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  738.753268]  try_to_free_pages+0x4d0/0xb90
[  738.759134] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
[  738.763368]  ? do_try_to_free_pages+0x1290/0x1290
[  738.782258] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  738.787106]  ? lock_acquire+0x1ed/0x520
[  738.794786] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  738.794798] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286
[  738.798769]  ? set_page_refcounted+0x280/0x280
[  738.806028] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000
[  738.813317]  ? lock_release+0xa00/0xa00
[  738.817886] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40
[  738.825155]  ? _raw_spin_unlock_irq+0x60/0x80
[  738.829121] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286
[  738.836391]  ? psi_memstall_enter+0x240/0x2b0
[  738.840897]  ? save_stack+0xa9/0xd0
[  738.848146]  ? psi_memstall_tick+0x230/0x230
[  738.852641]  __kmalloc_node_track_caller+0x3c/0x70
[  738.856260]  __alloc_pages_slowpath+0xa48/0x2de0
[  738.860658]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  738.865618]  ? warn_alloc+0x120/0x120
[  738.870350]  pskb_expand_head+0x230/0x10f0
[  738.875094]  ? mark_held_locks+0x130/0x130
[  738.878890]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  738.883117]  ? find_get_entry+0xaae/0x1120
[  738.887364]  ? memcpy+0x45/0x50
[  738.892825]  ? filemap_map_pages+0x1a20/0x1a20
[  738.897046]  ? __copy_skb_header+0x350/0x6b0
[  738.900335]  ? zap_class+0x640/0x640
[  738.904908]  ? skb_release_data+0x880/0x880
[  738.909327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  738.913033]  ? __alloc_skb+0x770/0x770
[  738.917366]  ? check_preemption_disabled+0x48/0x280
[  738.922896]  ? __lock_is_held+0xb5/0x140
[  738.926775]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  738.931792]  ? kasan_check_write+0x14/0x20
[  738.935843]  ? should_fail+0x22d/0xd01
[  738.941371]  ? __skb_clone+0x6c7/0xa00
[  738.945599]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  738.949482]  ? __copy_skb_header+0x6b0/0x6b0
[  738.953363]  ? zap_class+0x640/0x640
[  738.958458]  ? kmem_cache_alloc+0x33a/0x730
[  738.962878]  ? __lock_is_held+0xb5/0x140
[  738.966576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  738.970893]  ? mark_held_locks+0x130/0x130
[  738.974946]  skb_ensure_writable+0x3dd/0x640
[  738.980471]  ? lock_release+0xa00/0xa00
[  738.984699]  ? skb_checksum_setup+0xaa0/0xaa0
[  738.989098]  ? perf_trace_sched_process_exec+0x860/0x860
[  738.993071]  ? preempt_notifier_register+0x200/0x200
[  738.997550]  ? xa_load+0x2ba/0x460
[  739.002996]  ? __switch_to_asm+0x34/0x70
[  739.008091]  ? lock_downgrade+0x900/0x900
[  739.011625]  ? __switch_to_asm+0x34/0x70
[  739.015684]  ? __might_sleep+0x95/0x190
[  739.019822]  ? __switch_to_asm+0x40/0x70
[  739.023882]  __alloc_pages_nodemask+0xad8/0xea0
[  739.027849]  ? __switch_to_asm+0x34/0x70
[  739.031910]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  739.036576]  ? __switch_to_asm+0x40/0x70
[  739.040639]  ? __page_cache_alloc+0x191/0x5c0
[  739.045651]  ? __switch_to_asm+0x40/0x70
[  739.049707]  ? xa_load+0x2e1/0x460
[  739.054194]  ? __switch_to_asm+0x34/0x70
[  739.058250]  ? xa_clear_mark+0x40/0x40
[  739.061786]  ? __switch_to_asm+0x34/0x70
[  739.065845]  ? zap_class+0x640/0x640
[  739.069726]  ? __switch_to_asm+0x40/0x70
[  739.073787]  ? zap_class+0x640/0x640
[  739.077492]  ? __switch_to_asm+0x34/0x70
[  739.081544]  ? zap_class+0x640/0x640
[  739.085252]  bpf_clone_redirect+0x14a/0x490
[  739.089326]  ? __do_page_cache_readahead+0x663/0x810
[  739.093036]  bpf_prog_12ab75334035c288+0xfcd/0x1000
[  739.097359]  ? find_held_lock+0x36/0x1c0
[  739.102456]  ? __sched_text_start+0x8/0x8
[  739.107471]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  739.111520]  ? retint_kernel+0x2d/0x2d
[  739.115670]  alloc_pages_current+0x173/0x350
[  739.121204]  ? find_held_lock+0x36/0x1c0
[  739.125081]  __page_cache_alloc+0x38c/0x5c0
[  739.129487]  ? lock_acquire+0x1ed/0x520
[  739.133537]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  739.137851]  ? bpf_test_run+0x3cb/0x780
[  739.141832]  ? kasan_check_read+0x11/0x20
[  739.146752]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  739.150721]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  739.154869]  ? check_preemption_disabled+0x48/0x280
[  739.160399]  ? generic_perform_write+0x6a0/0x6a0
[  739.165667]  ? kasan_check_read+0x11/0x20
[  739.170676]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  739.175426]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  739.179573]  ? check_preemption_disabled+0x48/0x280
[  739.185095]  ? rcu_softirq_qs+0x20/0x20
[  739.190369]  filemap_fault+0x1595/0x25f0
[  739.195380]  ? preempt_schedule+0x4d/0x60
[  739.199383]  ? __lock_page_or_retry+0xa00/0xa00
[  739.203434]  ? ___preempt_schedule+0x16/0x18
[  739.207576]  ? mark_held_locks+0x130/0x130
[  739.212339]  ? bpf_test_run+0x25d/0x780
[  739.216740]  ? filemap_map_pages+0xd6b/0x1a20
[  739.220973]  ? netlink_diag_dump+0x2a0/0x2a0
[  739.224932]  ? lock_downgrade+0x900/0x900
[  739.229419]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  739.233822]  ? check_preemption_disabled+0x48/0x280
[  739.237965]  ? bpf_test_init.isra.10+0x70/0x100
[  739.243492]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  739.248502]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  739.253160]  ? kasan_check_read+0x11/0x20
[  739.258088]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  739.262828]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  739.266969]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  739.271799]  ? rcu_softirq_qs+0x20/0x20
[  739.277072]  ? fput+0x130/0x1a0
[  739.282620]  ? filemap_map_pages+0xd92/0x1a20
[  739.286581]  ? __bpf_prog_get+0x9b/0x290
[  739.289858]  ? find_get_entries_tag+0x1400/0x1400
[  739.294354]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  739.298408]  ? debug_object_destroy+0x2b0/0x2b0
[  739.303246]  ? bpf_prog_test_run+0x130/0x1a0
[  739.308082]  ? lock_pi_update_atomic+0x150/0x150
[  739.312738]  ? __x64_sys_bpf+0x3d8/0x520
[  739.317138]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  739.321885]  ? bpf_prog_get+0x20/0x20
[  739.325953]  ? lock_acquire+0x1ed/0x520
[  739.331493]  ? do_syscall_64+0x1b9/0x820
[  739.335269]  ? ext4_filemap_fault+0x7a/0xad
[  739.339234]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  739.343290]  ? lock_release+0xa00/0xa00
[  739.347623]  ? syscall_return_slowpath+0x5e0/0x5e0
[  739.352981]  ? perf_trace_sched_process_exec+0x860/0x860
[  739.356952]  ? trace_hardirqs_on_caller+0x310/0x310
[  739.361871]  ? print_usage_bug+0xc0/0xc0
[  739.367329]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  739.372353]  ? print_usage_bug+0xc0/0xc0
[  739.376413]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  739.381424]  ? down_read+0x8d/0x120
[  739.385471]  ? __switch_to_asm+0x40/0x70
[  739.392130]  ? ext4_filemap_fault+0x7a/0xad
[  739.395750]  ? __switch_to_asm+0x34/0x70
[  739.399808]  ? __down_interruptible+0x700/0x700
[  739.404122]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  739.408183]  ext4_filemap_fault+0x82/0xad
[  739.412842]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  739.417674]  __do_fault+0x100/0x6b0
[  739.421828] rcu: rcu_preempt kthread starved for 10405 jiffies! g93125 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[  739.427165]  ? release_sock+0x1ec/0x2c0
[  739.430776] rcu: RCU grace-period kthread stack dump:
[  739.441260]  ? pmd_devmap_trans_unstable+0x220/0x220
[  739.445219] rcu_preempt     R  running task    21384    10      2 0x80000000
[  739.450411]  ? mark_held_locks+0x130/0x130
[  739.455495] Call Trace:
[  739.462680]  ? mark_held_locks+0x130/0x130
[  739.466907]  __schedule+0x8cf/0x21d0
[  739.469480]  ? lock_sock_nested+0x9a/0x120
[  739.473712]  ? __sched_text_start+0x8/0x8
[  739.477412]  ? __release_sock+0x3a0/0x3a0
[  739.481645]  ? add_timer_on+0xa20/0xa20
[  739.485785]  ? __local_bh_enable_ip+0x160/0x260
[  739.489939]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  739.493908]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  739.498575]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  739.503674]  __handle_mm_fault+0x3ea0/0x5be0
[  739.509205]  ? trace_hardirqs_on+0xbd/0x310
[  739.514326]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  739.518729]  ? kasan_check_read+0x11/0x20
[  739.523045]  ? apparmor_socket_sendmsg+0x29/0x30
[  739.527885]  ? prepare_to_swait_event+0x25a/0x800
[  739.532023]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  739.536771]  ? trace_hardirqs_off_caller+0x310/0x310
[  739.541608]  ? security_socket_sendmsg+0x94/0xc0
[  739.547134]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  739.552233]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  739.556981]  schedule+0xfe/0x460
[  739.562085]  ? zap_class+0x640/0x640
[  739.567608]  ? __schedule+0x21d0/0x21d0
[  739.571001]  ? zap_class+0x640/0x640
[  739.574710]  ? prepare_to_swait_event+0x25a/0x800
[  739.578677]  ? __x64_sys_futex+0x53e/0x6a0
[  739.582387]  ? __init_swait_queue_head+0x150/0x150
[  739.587220]  ? find_held_lock+0x36/0x1c0
[  739.591453]  ? __lockdep_init_map+0x105/0x590
[  739.596382]  ? handle_mm_fault+0x42a/0xc70
[  739.600434]  ? lockdep_init_map+0x9/0x10
[  739.604921]  ? lock_downgrade+0x900/0x900
[  739.609151]  schedule_timeout+0x140/0x260
[  739.613205]  ? check_preemption_disabled+0x48/0x280
[  739.617371]  ? usleep_range+0x1a0/0x1a0
[  739.621512]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  739.626519]  ? __next_timer_interrupt+0x1a0/0x1a0
[  739.630487]  ? kasan_check_read+0x11/0x20
[  739.635423]  rcu_gp_fqs_loop+0x762/0xa80
[  739.640250]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  739.644396]  ? rcu_gp_fqs_check_wake+0x170/0x170
[  739.648447]  ? rcu_softirq_qs+0x20/0x20
[  739.653724]  ? trace_hardirqs_off_caller+0x310/0x310
[  739.658469]  ? trace_hardirqs_off_caller+0x310/0x310
[  739.662437]  ? perf_trace_sched_process_exec+0x860/0x860
[  739.667533]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  739.672631]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  739.678075]  ? check_preemption_disabled+0x48/0x280
[  739.678097]  handle_mm_fault+0x54f/0xc70
[  739.683630]  ? rcu_gp_init+0x90b/0x1260
[  739.689158]  ? __handle_mm_fault+0x5be0/0x5be0
[  739.694169]  ? dump_blkd_tasks.isra.48+0xe0/0xe0
[  739.698219]  ? find_vma+0x34/0x190
[  739.702186]  ? rcu_accelerate_cbs+0x562/0xae0
[  739.706766]  __do_page_fault+0x5e8/0xe60
[  739.711511]  ? zap_class+0x640/0x640
[  739.715046]  ? trace_hardirqs_off+0xb8/0x310
[  739.719539]  ? zap_class+0x640/0x640
[  739.723597]  ? __ia32_sys_read+0xb0/0xb0
[  739.727328]  ? __lock_is_held+0xb5/0x140
[  739.731727]  do_page_fault+0xf2/0x7e0
[  739.735431]  ? __lock_is_held+0xb5/0x140
[  739.739480]  ? vmalloc_sync_all+0x30/0x30
[  739.743533]  ? zap_class+0x640/0x640
[  739.747341]  ? error_entry+0x70/0xd0
[  739.751397]  ? rcu_accelerate_cbs+0x562/0xae0
[  739.755536]  ? trace_hardirqs_off_caller+0xbb/0x310
[  739.759250]  ? find_held_lock+0x36/0x1c0
[  739.762952]  ? trace_hardirqs_on_caller+0xc0/0x310
[  739.767449]  ? rcu_gp_kthread+0x8cf/0xc70
[  739.772455]  ? syscall_return_slowpath+0x5e0/0x5e0
[  739.776504]  ? _raw_spin_unlock_irq+0x27/0x80
[  739.781424]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  739.785571]  ? _raw_spin_unlock_irq+0x27/0x80
[  739.790495]  ? trace_hardirqs_on_caller+0x310/0x310
[  739.794980]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  739.799814]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  739.804318]  ? trace_hardirqs_on+0xbd/0x310
[  739.809341]  ? prepare_exit_to_usermode+0x291/0x3b0
[  739.813921]  ? kasan_check_read+0x11/0x20
[  739.819361]  ? page_fault+0x8/0x30
[  739.823679]  ? trace_hardirqs_off_caller+0x310/0x310
[  739.828687]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  739.832827]  ? perf_trace_sched_process_exec+0x860/0x860
[  739.836366]  ? page_fault+0x8/0x30
[  739.841462]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  739.846337]  page_fault+0x1e/0x30
[  739.851784]  rcu_gp_kthread+0x341/0xc70
[  739.855329] RIP: 0033:0x45ddf3
[  739.860865]  ? rcu_gp_init+0x1260/0x1260
[  739.864335] Code: Bad RIP value.
[  739.868319]  ? mark_held_locks+0x130/0x130
[  739.871504] RSP: 002b:000000c420023ea0 EFLAGS: 00010202
[  739.875577]  ? __schedule+0x168a/0x21d0
[  739.878938] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
[  739.883170]  ? _raw_spin_unlock_irq+0x27/0x80
[  739.888526] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  739.892499]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  739.899758] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  739.904255]  ? trace_hardirqs_on+0xbd/0x310
[  739.911515] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  739.916096]  ? kasan_check_read+0x11/0x20
[  739.923360] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
[  739.927679]  ? __schedule+0x168a/0x21d0
[  739.934954] warn_alloc_show_mem: 1 callbacks suppressed
[  739.934959] Mem-Info:
[  739.939090]  ? trace_hardirqs_off_caller+0x310/0x310
[  739.946374] active_anon:59588 inactive_anon:187 isolated_anon:0
[  739.946374]  active_file:13 inactive_file:14 isolated_file:0
[  739.946374]  unevictable:0 dirty:0 writeback:0 unstable:0
[  739.946374]  slab_reclaimable:10147 slab_unreclaimable:1445690
[  739.946374]  mapped:49154 shmem:244 pagetables:690 bounce:0
[  739.946374]  free:13773 free_pcp:174 free_cma:0
[  739.950342]  ? lock_pin_lock+0x350/0x350
[  739.955712] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  739.958107]  ? _raw_spin_unlock_irq+0x60/0x80
[  739.963466] 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
[  739.996448]  ? __schedule+0x168a/0x21d0
[  740.000491] lowmem_reserve[]: 0 2818 6321 6321
[  740.027991]  ? __switch_to_asm+0x40/0x70
[  740.032477] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  740.058591]  ? __switch_to_asm+0x40/0x70
[  740.062549] lowmem_reserve[]: 0 0 3503 3503
[  740.067140]  ? show_schedstat+0x551/0xf30
[  740.071186] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB
[  740.099192]  ? __sched_text_start+0x8/0x8
[  740.103340] lowmem_reserve[]: 0 0 0 0
[  740.107670]  ? find_held_lock+0x36/0x1c0
[  740.111794] 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
[  740.140690]  ? __kthread_parkme+0xce/0x1a0
[  740.144814] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
[  740.148617]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  740.152667] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  740.166196]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  740.170423] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  740.186373]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  740.191464] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  740.205074]  ? trace_hardirqs_on+0xbd/0x310
[  740.210158] 271 total pagecache pages
[  740.218998]  ? kasan_check_read+0x11/0x20
[  740.223575] 0 pages in swap cache
[  740.232144]  ? __kthread_parkme+0xce/0x1a0
[  740.236452] Swap cache stats: add 0, delete 0, find 0/0
[  740.240250]  ? trace_hardirqs_off_caller+0x310/0x310
[  740.244380] Free swap  = 0kB
[  740.247839]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  740.252049] Total swap = 0kB
[  740.257420]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  740.262504] 1965979 pages RAM
[  740.265527]  ? __kthread_parkme+0xfb/0x1a0
[  740.270617] 0 pages HighMem/MovableOnly
[  740.273638]  ? rcu_gp_init+0x1260/0x1260
[  740.279155] 342854 pages reserved
[  740.282262]  kthread+0x35a/0x440
[  740.286484] 0 pages cma reserved
[  740.290464]  ? kthread_stop+0x900/0x900
[  740.294573] aoe: skb alloc failure
[  740.297959]  ret_from_fork+0x3a/0x50
[  740.301359] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  740.304781] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  740.308654] syz-fuzzer cpuset=/ mems_allowed=0
[  740.312241] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  740.315907] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
[  740.326118] syz-executor3 cpuset=syz3 mems_allowed=0
[  740.332603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  740.332613] Call Trace:
[  740.371771]  <IRQ>
[  740.373940]  dump_stack+0x244/0x39d
[  740.377585]  ? dump_stack_print_info.cold.1+0x20/0x20
[  740.382797]  warn_alloc.cold.116+0xb7/0x1bd
[  740.387133]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  740.391989]  ? lock_downgrade+0x900/0x900
[  740.396156]  ? trace_hardirqs_off+0xb8/0x310
[  740.400587]  ? trace_hardirqs_off+0xb8/0x310
[  740.405015]  __alloc_pages_slowpath+0x2651/0x2de0
[  740.409895]  ? warn_alloc+0x120/0x120
[  740.413711]  ? warn_alloc+0x120/0x120
[  740.417525]  ? __lock_acquire+0x62f/0x4c20
[  740.421777]  ? warn_alloc+0x120/0x120
[  740.425596]  ? print_usage_bug+0xc0/0xc0
[  740.429669]  ? print_usage_bug+0xc0/0xc0
[  740.433742]  ? mark_held_locks+0x130/0x130
[  740.437992]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  740.443540]  ? should_fail+0x22d/0xd01
[  740.447438]  ? zap_class+0x640/0x640
[  740.451165]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  740.456279]  ? __lock_acquire+0x62f/0x4c20
[  740.460548]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  740.465666]  ? should_fail+0x22d/0xd01
[  740.469583]  ? mark_held_locks+0x130/0x130
[  740.473829]  ? mark_held_locks+0x130/0x130
[  740.478071]  ? lock_downgrade+0x900/0x900
[  740.482227]  ? zap_class+0x640/0x640
[  740.485953]  ? zap_class+0x640/0x640
[  740.489677]  ? zap_class+0x640/0x640
[  740.493399]  ? do_raw_spin_unlock+0xa7/0x330
[  740.497819]  ? trace_hardirqs_on+0x310/0x310
[  740.502239]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  740.507786]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  740.513347]  ? check_preemption_disabled+0x48/0x280
[  740.518388]  ? __lock_is_held+0xb5/0x140
[  740.522463]  __alloc_pages_nodemask+0xad8/0xea0
[  740.527196]  ? zap_class+0x640/0x640
[  740.530934]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  740.535971]  ? find_held_lock+0x36/0x1c0
[  740.540052]  ? ____cache_alloc_node+0x1c7/0x1e0
[  740.544729]  ? lock_downgrade+0x900/0x900
[  740.548894]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  740.554448]  cache_grow_begin+0xa5/0x8c0
[  740.558516]  ? do_raw_spin_unlock+0xa7/0x330
[  740.562939]  fallback_alloc+0x204/0x2e0
[  740.566926]  ____cache_alloc_node+0x1c7/0x1e0
[  740.571441]  kmem_cache_alloc_node+0xe3/0x730
[  740.575945]  ? lockdep_hardirqs_on+0x296/0x5b0
[  740.580548]  __alloc_skb+0x119/0x770
[  740.584274]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  740.589671]  ? netdev_alloc_frag+0x1f0/0x1f0
[  740.594097]  ? vprintk_default+0x28/0x30
[  740.598171]  ? vprintk_func+0x85/0x181
[  740.602066]  ? printk+0xa7/0xcf
[  740.605359]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  740.610135]  new_skb+0x26/0x1c0
[  740.613429]  aoecmd_cfg+0x279/0x7f0
[  740.617063]  ? find_held_lock+0x36/0x1c0
[  740.621136]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  740.625474]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  740.631030]  ? __lock_is_held+0xb5/0x140
[  740.635110]  discover_timer+0x50/0x60
[  740.638921]  call_timer_fn+0x272/0x920
[  740.642816]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  740.647668]  ? process_timeout+0x40/0x40
[  740.651745]  ? mark_held_locks+0xc7/0x130
[  740.655905]  ? _raw_spin_unlock_irq+0x27/0x80
[  740.660414]  ? _raw_spin_unlock_irq+0x27/0x80
[  740.664917]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  740.669785]  ? lockdep_hardirqs_on+0x296/0x5b0
[  740.674384]  ? trace_hardirqs_on+0xbd/0x310
[  740.678719]  ? kasan_check_read+0x11/0x20
[  740.682873]  ? __run_timers+0x7da/0xc70
[  740.686851]  ? trace_hardirqs_off_caller+0x310/0x310
[  740.691977]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  740.696828]  __run_timers+0x7e5/0xc70
[  740.700677]  ? timer_fixup_init+0x70/0x70
[  740.704847]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  740.709874]  ? zap_class+0x640/0x640
[  740.713606]  ? print_usage_bug+0xc0/0xc0
[  740.717682]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  740.722885]  ? find_held_lock+0x36/0x1c0
[  740.727004]  ? zap_class+0x640/0x640
[  740.730733]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  740.736279]  ? check_preemption_disabled+0x48/0x280
[  740.741350]  ? __lock_is_held+0xb5/0x140
[  740.745425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  740.750970]  ? check_preemption_disabled+0x48/0x280
[  740.756003]  run_timer_softirq+0x52/0xb0
[  740.760069]  ? rcu_read_lock_sched_held+0x14f/0x180
[  740.765099]  __do_softirq+0x308/0xb7e
[  740.768912]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  740.773415]  ? lock_downgrade+0x900/0x900
[  740.777579]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  740.782696]  ? pvclock_read_flags+0x160/0x160
[  740.787199]  ? lapic_next_event+0x5a/0x90
[  740.791361]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  740.796910]  ? kvm_clock_read+0x18/0x30
[  740.800890]  ? kvm_sched_clock_read+0x9/0x20
[  740.805324]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  740.810874]  ? check_preemption_disabled+0x48/0x280
[  740.815910]  irq_exit+0x17f/0x1c0
[  740.819376]  smp_apic_timer_interrupt+0x1cb/0x760
[  740.824225]  ? smp_call_function_single_interrupt+0x159/0x650
[  740.830118]  ? smp_call_function_single_interrupt+0x650/0x650
[  740.836010]  ? interrupt_entry+0xb5/0xc0
[  740.840079]  ? trace_hardirqs_off_caller+0xbb/0x310
[  740.845105]  ? trace_hardirqs_off_caller+0xbb/0x310
[  740.850132]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  740.854987]  ? trace_hardirqs_on_caller+0x310/0x310
[  740.860013]  ? trace_hardirqs_on_caller+0x310/0x310
[  740.865038]  ? task_prio+0x50/0x50
[  740.868596]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  740.874148]  ? check_preemption_disabled+0x48/0x280
[  740.879179]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  740.884037]  apic_timer_interrupt+0xf/0x20
[  740.888272]  </IRQ>
[  740.890535] RIP: 0010:rcu_is_watching+0x0/0x30
[  740.895129] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
[  740.914035] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  740.921753] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
[  740.929028] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
[  740.936321] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
[  740.943601] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
[  740.950873] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  740.958172]  ? list_lru_count_one+0x253/0x450
[  740.962675]  ? list_lru_count_one+0x35d/0x450
[  740.967188]  ? list_lru_count_one+0x362/0x450
[  740.971693]  ? list_lru_isolate_move+0x3c0/0x3c0
[  740.976455]  ? shmem_free_inode+0xd0/0xd0
[  740.980614]  ? __lock_is_held+0xb5/0x140
[  740.984696]  super_cache_count+0x1b9/0x2e0
[  740.988944]  do_shrink_slab+0x1b1/0xd30
[  740.992938]  ? snapshot_refaults+0x290/0x290
[  740.997370]  ? lock_release+0xa00/0xa00
[  741.001373]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  741.006339]  ? down_read_trylock+0xda/0x140
[  741.010671]  ? shrink_slab+0x207/0x8c0
[  741.014576]  ? downgrade_write+0x270/0x270
[  741.018834]  shrink_slab+0x389/0x8c0
[  741.022566]  ? shrink_active_list+0x1f00/0x1f00
[  741.027254]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  741.032890]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  741.038008]  ? cgroup_procs_write_finish+0xf0/0xf0
[  741.042952]  ? find_held_lock+0x36/0x1c0
[  741.047028]  shrink_node+0x431/0x16b0
[  741.050846]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  741.056156]  ? shrink_node_memcg+0x18f0/0x18f0
[  741.060750]  ? kvm_clock_read+0x18/0x30
[  741.064740]  ? ktime_get+0x2c1/0x400
[  741.068467]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  741.072979]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  741.078530]  ? __cpuset_node_allowed+0x19b/0x660
[  741.083321]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  741.089046]  ? delayacct_end+0x5a/0x100
[  741.093042]  do_try_to_free_pages+0x3e7/0x1290
[  741.097635]  ? zap_class+0x640/0x640
[  741.101376]  ? shrink_node+0x16b0/0x16b0
[  741.105454]  ? __lock_is_held+0xb5/0x140
[  741.109627]  try_to_free_pages+0x4d0/0xb90
[  741.113882]  ? do_try_to_free_pages+0x1290/0x1290
[  741.118749]  ? lock_acquire+0x1ed/0x520
[  741.122737]  ? set_page_refcounted+0x280/0x280
[  741.127349]  ? lock_release+0xa00/0xa00
[  741.131348]  ? _raw_spin_unlock_irq+0x60/0x80
[  741.135851]  ? psi_memstall_enter+0x240/0x2b0
[  741.140360]  ? psi_memstall_tick+0x230/0x230
[  741.144790]  __alloc_pages_slowpath+0xa48/0x2de0
[  741.149598]  ? warn_alloc+0x120/0x120
[  741.153408]  ? mark_held_locks+0x130/0x130
[  741.157662]  ? find_get_entry+0xaae/0x1120
[  741.161915]  ? filemap_map_pages+0x1a20/0x1a20
[  741.166511]  ? zap_class+0x640/0x640
[  741.170242]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  741.175789]  ? check_preemption_disabled+0x48/0x280
[  741.180815]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  741.186362]  ? should_fail+0x22d/0xd01
[  741.190266]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  741.195401]  ? zap_class+0x640/0x640
[  741.199152]  ? __lock_is_held+0xb5/0x140
[  741.203233]  ? mark_held_locks+0x130/0x130
[  741.207483]  ? lock_release+0xa00/0xa00
[  741.211478]  ? perf_trace_sched_process_exec+0x860/0x860
[  741.216934]  ? xa_load+0x2ba/0x460
[  741.220488]  ? lock_downgrade+0x900/0x900
[  741.224651]  ? __might_sleep+0x95/0x190
[  741.228640]  __alloc_pages_nodemask+0xad8/0xea0
[  741.233339]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  741.238371]  ? __page_cache_alloc+0x191/0x5c0
[  741.242870]  ? xa_load+0x2e1/0x460
[  741.246419]  ? xa_clear_mark+0x40/0x40
[  741.250337]  ? zap_class+0x640/0x640
[  741.254066]  ? zap_class+0x640/0x640
[  741.257788]  ? zap_class+0x640/0x640
[  741.261512]  ? __do_page_cache_readahead+0x663/0x810
[  741.266631]  ? find_held_lock+0x36/0x1c0
[  741.270704]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  741.276258]  alloc_pages_current+0x173/0x350
[  741.280683]  __page_cache_alloc+0x38c/0x5c0
[  741.285014]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  741.289953]  ? kasan_check_read+0x11/0x20
[  741.294109]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  741.299405]  ? generic_perform_write+0x6a0/0x6a0
[  741.304173]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  741.309722]  ? check_preemption_disabled+0x48/0x280
[  741.314758]  filemap_fault+0x1595/0x25f0
[  741.318845]  ? __lock_page_or_retry+0xa00/0xa00
[  741.323527]  ? mark_held_locks+0x130/0x130
[  741.327785]  ? filemap_map_pages+0xd6b/0x1a20
[  741.332288]  ? lock_downgrade+0x900/0x900
[  741.336471]  ? check_preemption_disabled+0x48/0x280
[  741.341499]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  741.346438]  ? kasan_check_read+0x11/0x20
[  741.350596]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  741.355880]  ? rcu_softirq_qs+0x20/0x20
[  741.359878]  ? filemap_map_pages+0xd92/0x1a20
[  741.364396]  ? find_get_entries_tag+0x1400/0x1400
[  741.369249]  ? debug_object_destroy+0x2b0/0x2b0
[  741.373929]  ? lock_pi_update_atomic+0x150/0x150
[  741.378691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  741.384248]  ? lock_acquire+0x1ed/0x520
[  741.388231]  ? ext4_filemap_fault+0x7a/0xad
[  741.392575]  ? lock_release+0xa00/0xa00
[  741.396563]  ? perf_trace_sched_process_exec+0x860/0x860
[  741.402025]  ? print_usage_bug+0xc0/0xc0
[  741.406095]  ? print_usage_bug+0xc0/0xc0
[  741.410181]  ? down_read+0x8d/0x120
[  741.413812]  ? ext4_filemap_fault+0x7a/0xad
[  741.418147]  ? __down_interruptible+0x700/0x700
[  741.422834]  ext4_filemap_fault+0x82/0xad
[  741.426991]  __do_fault+0x100/0x6b0
[  741.430623]  ? release_sock+0x1ec/0x2c0
[  741.434610]  ? pmd_devmap_trans_unstable+0x220/0x220
[  741.439723]  ? mark_held_locks+0x130/0x130
[  741.443971]  ? mark_held_locks+0x130/0x130
[  741.448209]  ? lock_sock_nested+0x9a/0x120
[  741.452458]  ? __release_sock+0x3a0/0x3a0
[  741.456618]  ? __local_bh_enable_ip+0x160/0x260
[  741.461317]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  741.466869]  __handle_mm_fault+0x3ea0/0x5be0
[  741.471294]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  741.476165]  ? apparmor_socket_sendmsg+0x29/0x30
[  741.480928]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  741.486479]  ? security_socket_sendmsg+0x94/0xc0
[  741.491250]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  741.496813]  ? zap_class+0x640/0x640
[  741.500535]  ? zap_class+0x640/0x640
[  741.504260]  ? __x64_sys_futex+0x53e/0x6a0
[  741.508510]  ? find_held_lock+0x36/0x1c0
[  741.512596]  ? handle_mm_fault+0x42a/0xc70
[  741.516845]  ? lock_downgrade+0x900/0x900
[  741.521002]  ? check_preemption_disabled+0x48/0x280
[  741.526056]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  741.531013]  ? kasan_check_read+0x11/0x20
[  741.535172]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  741.540457]  ? rcu_softirq_qs+0x20/0x20
[  741.544525]  ? trace_hardirqs_off_caller+0x310/0x310
[  741.549643]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  741.555190]  ? check_preemption_disabled+0x48/0x280
[  741.560226]  handle_mm_fault+0x54f/0xc70
[  741.564320]  ? __handle_mm_fault+0x5be0/0x5be0
[  741.568920]  ? find_vma+0x34/0x190
[  741.572474]  __do_page_fault+0x5e8/0xe60
[  741.576543]  ? trace_hardirqs_off+0xb8/0x310
[  741.580962]  ? __ia32_sys_read+0xb0/0xb0
[  741.585045]  do_page_fault+0xf2/0x7e0
[  741.588857]  ? vmalloc_sync_all+0x30/0x30
[  741.593017]  ? error_entry+0x70/0xd0
[  741.596745]  ? trace_hardirqs_off_caller+0xbb/0x310
[  741.601770]  ? trace_hardirqs_on_caller+0xc0/0x310
[  741.606708]  ? syscall_return_slowpath+0x5e0/0x5e0
[  741.611645]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  741.616499]  ? trace_hardirqs_on_caller+0x310/0x310
[  741.621522]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  741.626987]  ? prepare_exit_to_usermode+0x291/0x3b0
[  741.632013]  ? page_fault+0x8/0x30
[  741.635574]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  741.640429]  ? page_fault+0x8/0x30
[  741.643982]  page_fault+0x1e/0x30
[  741.647448] RIP: 0033:0x45ddf3
[  741.650662] Code: Bad RIP value.
[  741.654030] RSP: 002b:000000c420023ea0 EFLAGS: 00010202
[  741.659401] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
[  741.666675] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  741.673949] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  741.681225] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  741.688501] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
[  741.695804] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304
[  741.695806] Mem-Info:
[  741.695837] active_anon:59588 inactive_anon:187 isolated_anon:0
[  741.695837]  active_file:13 inactive_file:14 isolated_file:0
[  741.695837]  unevictable:0 dirty:0 writeback:0 unstable:0
[  741.695837]  slab_reclaimable:10147 slab_unreclaimable:1445690
[  741.695837]  mapped:49154 shmem:244 pagetables:690 bounce:0
[  741.695837]  free:13773 free_pcp:174 free_cma:0
[  741.703085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  741.703093] Call Trace:
[  741.705547] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  741.738486]  <IRQ>
[  741.747833] 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
[  741.750421]  dump_stack+0x244/0x39d
[  741.777899] lowmem_reserve[]: 0 2818 6321 6321
[  741.780063]  ? dump_stack_print_info.cold.1+0x20/0x20
[  741.806150] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  741.809792]  warn_alloc.cold.116+0xb7/0x1bd
[  741.814342] lowmem_reserve[]: 0 0 3503 3503
[  741.819539]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  741.847021] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB
[  741.851351]  ? lock_downgrade+0x900/0x900
[  741.855653] lowmem_reserve[]: 0 0 0 0
[  741.860503]  ? trace_hardirqs_off+0xb8/0x310
[  741.889373] 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
[  741.893524]  ? trace_hardirqs_off+0xb8/0x310
[  741.897324] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
[  741.901740]  __alloc_pages_slowpath+0x2651/0x2de0
[  741.915237] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  741.919685]  ? warn_alloc+0x120/0x120
[  741.935606] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  741.940448]  ? print_usage_bug+0xc0/0xc0
[  741.954046] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  741.957846]  ? warn_alloc+0x120/0x120
[  741.966906] 271 total pagecache pages
[  741.970973]  ? warn_alloc+0x120/0x120
[  741.979539] 0 pages in swap cache
[  741.983342]  ? print_usage_bug+0xc0/0xc0
[  741.987128] Swap cache stats: add 0, delete 0, find 0/0
[  741.990927]  ? print_usage_bug+0xc0/0xc0
[  741.994364] Free swap  = 0kB
[  741.998426]  ? __lock_acquire+0x62f/0x4c20
[  742.003775] Total swap = 0kB
[  742.007842]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  742.010842] 1965979 pages RAM
[  742.015082]  ? should_fail+0x22d/0xd01
[  742.018087] 0 pages HighMem/MovableOnly
[  742.023628]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  742.026718] 342854 pages reserved
[  742.030608]  ? __lock_acquire+0x62f/0x4c20
[  742.034564] 0 pages cma reserved
[  742.039669]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  742.043169] aoe: skb alloc failure
[  742.047365]  ? __lock_acquire+0x62f/0x4c20
[  742.047378]  ? should_fail+0x22d/0xd01
[  742.047393]  ? find_held_lock+0x36/0x1c0
[  742.047415]  ? mark_held_locks+0x130/0x130
[  742.050796] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  742.055874]  ? mark_held_locks+0x130/0x130
[  742.059401] syz-fuzzer cpuset=/ mems_allowed=0
[  742.063640]  ? zap_class+0x640/0x640
[  742.099017]  ? zap_class+0x640/0x640
[  742.102747]  ? print_usage_bug+0xc0/0xc0
[  742.106820]  ? do_raw_spin_unlock+0xa7/0x330
[  742.111242]  ? zap_class+0x640/0x640
[  742.114967]  ? print_usage_bug+0xc0/0xc0
[  742.119038]  ? wq_watchdog_touch+0x9c/0xfe
[  742.123294]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  742.128862]  ? check_preemption_disabled+0x48/0x280
[  742.133902]  ? __lock_is_held+0xb5/0x140
[  742.137981]  __alloc_pages_nodemask+0xad8/0xea0
[  742.142659]  ? zap_class+0x640/0x640
[  742.146391]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  742.151429]  ? find_held_lock+0x36/0x1c0
[  742.155509]  ? ____cache_alloc_node+0x1c7/0x1e0
[  742.160192]  ? lock_downgrade+0x900/0x900
[  742.164363]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  742.169916]  cache_grow_begin+0xa5/0x8c0
[  742.173990]  ? do_raw_spin_unlock+0xa7/0x330
[  742.178417]  fallback_alloc+0x204/0x2e0
[  742.182411]  ____cache_alloc_node+0x1c7/0x1e0
[  742.186923]  kmem_cache_alloc_node+0xe3/0x730
[  742.191428]  ? ipv6_get_ifaddr+0x42e/0x620
[  742.195683]  __alloc_skb+0x119/0x770
[  742.199406]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  742.204695]  ? netdev_alloc_frag+0x1f0/0x1f0
[  742.209114]  ? lock_downgrade+0x900/0x900
[  742.213279]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  742.218845]  ? refcount_sub_and_test_checked+0x203/0x310
[  742.224325]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  742.229793]  ? addrconf_rs_timer+0x690/0x690
[  742.234226]  ndisc_alloc_skb+0x144/0x340
[  742.238324]  ndisc_send_rs+0x331/0x6e0
[  742.242234]  addrconf_rs_timer+0x314/0x690
[  742.246483]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  742.250740]  call_timer_fn+0x272/0x920
[  742.254637]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  742.258888]  ? process_timeout+0x40/0x40
[  742.262966]  ? __run_timers+0x7da/0xc70
[  742.266954]  ? _raw_spin_unlock_irq+0x27/0x80
[  742.271460]  ? _raw_spin_unlock_irq+0x27/0x80
[  742.275964]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  742.280213]  ? lockdep_hardirqs_on+0x296/0x5b0
[  742.284804]  ? trace_hardirqs_on+0xbd/0x310
[  742.289138]  ? kasan_check_read+0x11/0x20
[  742.293293]  ? __run_timers+0x7da/0xc70
[  742.297317]  ? trace_hardirqs_off_caller+0x310/0x310
[  742.302441]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  742.306689]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  742.310932]  __run_timers+0x7e5/0xc70
[  742.314754]  ? timer_fixup_init+0x70/0x70
[  742.318915]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  742.323941]  ? zap_class+0x640/0x640
[  742.327667]  ? enqueue_hrtimer+0x1a5/0x560
[  742.331912]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  742.337118]  ? find_held_lock+0x36/0x1c0
[  742.341194]  ? zap_class+0x640/0x640
[  742.344921]  ? pvclock_read_flags+0x160/0x160
[  742.349433]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  742.354981]  ? check_preemption_disabled+0x48/0x280
[  742.360015]  ? __lock_is_held+0xb5/0x140
[  742.364088]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  742.369639]  ? check_preemption_disabled+0x48/0x280
[  742.374670]  run_timer_softirq+0x52/0xb0
[  742.378743]  ? rcu_read_lock_sched_held+0x14f/0x180
[  742.383770]  __do_softirq+0x308/0xb7e
[  742.387585]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  742.392092]  ? lock_downgrade+0x900/0x900
[  742.396258]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  742.401378]  ? pvclock_read_flags+0x160/0x160
[  742.405887]  ? lapic_next_event+0x5a/0x90
[  742.410048]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  742.415608]  ? kvm_clock_read+0x18/0x30
[  742.419591]  ? kvm_sched_clock_read+0x9/0x20
[  742.424014]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  742.429565]  ? check_preemption_disabled+0x48/0x280
[  742.434601]  irq_exit+0x17f/0x1c0
[  742.438069]  smp_apic_timer_interrupt+0x1cb/0x760
[  742.442921]  ? smp_reschedule_interrupt+0x109/0x650
[  742.447953]  ? smp_call_function_single_interrupt+0x650/0x650
[  742.453846]  ? interrupt_entry+0xb5/0xc0
[  742.457917]  ? trace_hardirqs_off_caller+0xbb/0x310
[  742.462955]  ? trace_hardirqs_off_caller+0xbb/0x310
[  742.468001]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  742.472855]  ? trace_hardirqs_on_caller+0x310/0x310
[  742.477934]  ? trace_hardirqs_on_caller+0x310/0x310
[  742.482970]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  742.487831]  apic_timer_interrupt+0xf/0x20
[  742.492072]  </IRQ>
[  742.494335] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  742.500235] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
[  742.519149] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  742.526869] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  742.534158] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286
[  742.541434] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000
[  742.548706] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40
[  742.555979] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286
[  742.563290]  ? save_stack+0xa9/0xd0
[  742.566958]  __kmalloc_node_track_caller+0x3c/0x70
[  742.571901]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  742.576677]  pskb_expand_head+0x230/0x10f0
[  742.580922]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  742.586386]  ? memcpy+0x45/0x50
[  742.589676]  ? __copy_skb_header+0x350/0x6b0
[  742.594098]  ? skb_release_data+0x880/0x880
[  742.598428]  ? __alloc_skb+0x770/0x770
[  742.602360]  ? __lock_is_held+0xb5/0x140
[  742.606443]  ? kasan_check_write+0x14/0x20
[  742.610689]  ? __skb_clone+0x6c7/0xa00
[  742.614590]  ? __copy_skb_header+0x6b0/0x6b0
[  742.619004]  ? kmem_cache_alloc+0x33a/0x730
[  742.623356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  742.628912]  skb_ensure_writable+0x3dd/0x640
[  742.633352]  ? skb_checksum_setup+0xaa0/0xaa0
[  742.637859]  ? preempt_notifier_register+0x200/0x200
[  742.642967]  ? __switch_to_asm+0x34/0x70
[  742.647033]  ? __switch_to_asm+0x34/0x70
[  742.651101]  ? __switch_to_asm+0x40/0x70
[  742.655168]  ? __switch_to_asm+0x34/0x70
[  742.659255]  ? __switch_to_asm+0x40/0x70
[  742.663340]  ? __switch_to_asm+0x40/0x70
[  742.667409]  ? __switch_to_asm+0x34/0x70
[  742.671480]  ? __switch_to_asm+0x34/0x70
[  742.675551]  ? __switch_to_asm+0x40/0x70
[  742.679618]  ? __switch_to_asm+0x34/0x70
[  742.683692]  bpf_clone_redirect+0x14a/0x490
[  742.688034]  bpf_prog_12ab75334035c288+0xfcd/0x1000
[  742.693069]  ? __sched_text_start+0x8/0x8
[  742.697224]  ? retint_kernel+0x2d/0x2d
[  742.701134]  ? find_held_lock+0x36/0x1c0
[  742.705210]  ? lock_acquire+0x1ed/0x520
[  742.709193]  ? bpf_test_run+0x3cb/0x780
[  742.713178]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  742.718726]  ? check_preemption_disabled+0x48/0x280
[  742.723757]  ? kasan_check_read+0x11/0x20
[  742.727916]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  742.733203]  ? rcu_softirq_qs+0x20/0x20
[  742.737190]  ? preempt_schedule+0x4d/0x60
[  742.741357]  ? ___preempt_schedule+0x16/0x18
[  742.745789]  ? bpf_test_run+0x25d/0x780
[  742.749783]  ? netlink_diag_dump+0x2a0/0x2a0
[  742.754204]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  742.759748]  ? bpf_test_init.isra.10+0x70/0x100
[  742.764435]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  742.769208]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  742.774065]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  742.779615]  ? fput+0x130/0x1a0
[  742.782907]  ? __bpf_prog_get+0x9b/0x290
[  742.786981]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  742.791832]  ? bpf_prog_test_run+0x130/0x1a0
[  742.796257]  ? __x64_sys_bpf+0x3d8/0x520
[  742.800341]  ? bpf_prog_get+0x20/0x20
[  742.804173]  ? do_syscall_64+0x1b9/0x820
[  742.808242]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  742.813618]  ? syscall_return_slowpath+0x5e0/0x5e0
[  742.818613]  ? trace_hardirqs_on_caller+0x310/0x310
[  742.823641]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  742.828671]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  742.835359]  ? __switch_to_asm+0x40/0x70
[  742.839430]  ? __switch_to_asm+0x34/0x70
[  742.843506]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  742.848374]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  742.853770] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
[  742.853839] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  742.860794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  742.860804] Call Trace:
[  742.867417] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  742.876664]  <IRQ>
[  742.879244] syz-executor3 cpuset=syz3 mems_allowed=0
[  742.889729]  dump_stack+0x244/0x39d
[  742.900602]  ? dump_stack_print_info.cold.1+0x20/0x20
[  742.905813]  warn_alloc.cold.116+0xb7/0x1bd
[  742.910149]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  742.915007]  ? lock_downgrade+0x900/0x900
[  742.919173]  ? trace_hardirqs_off+0xb8/0x310
[  742.923599]  ? trace_hardirqs_off+0xb8/0x310
[  742.928028]  __alloc_pages_slowpath+0x2651/0x2de0
[  742.932910]  ? warn_alloc+0x120/0x120
[  742.936730]  ? warn_alloc+0x120/0x120
[  742.940542]  ? __lock_acquire+0x62f/0x4c20
[  742.944796]  ? warn_alloc+0x120/0x120
[  742.948606]  ? print_usage_bug+0xc0/0xc0
[  742.952677]  ? print_usage_bug+0xc0/0xc0
[  742.956749]  ? mark_held_locks+0x130/0x130
[  742.961000]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  742.966549]  ? should_fail+0x22d/0xd01
[  742.970468]  ? zap_class+0x640/0x640
[  742.974196]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  742.979329]  ? __lock_acquire+0x62f/0x4c20
[  742.983583]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  742.988695]  ? should_fail+0x22d/0xd01
[  742.992604]  ? mark_held_locks+0x130/0x130
[  742.996852]  ? mark_held_locks+0x130/0x130
[  743.001099]  ? lock_downgrade+0x900/0x900
[  743.005258]  ? zap_class+0x640/0x640
[  743.008986]  ? zap_class+0x640/0x640
[  743.012715]  ? zap_class+0x640/0x640
[  743.016439]  ? do_raw_spin_unlock+0xa7/0x330
[  743.020863]  ? trace_hardirqs_on+0x310/0x310
[  743.025280]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  743.030848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  743.036397]  ? check_preemption_disabled+0x48/0x280
[  743.041443]  ? __lock_is_held+0xb5/0x140
[  743.045524]  __alloc_pages_nodemask+0xad8/0xea0
[  743.050209]  ? zap_class+0x640/0x640
[  743.053940]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  743.058981]  ? find_held_lock+0x36/0x1c0
[  743.063063]  ? ____cache_alloc_node+0x1c7/0x1e0
[  743.067743]  ? lock_downgrade+0x900/0x900
[  743.071908]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  743.077466]  cache_grow_begin+0xa5/0x8c0
[  743.081544]  ? do_raw_spin_unlock+0xa7/0x330
[  743.085976]  fallback_alloc+0x204/0x2e0
[  743.089966]  ____cache_alloc_node+0x1c7/0x1e0
[  743.094478]  kmem_cache_alloc_node+0xe3/0x730
[  743.098983]  ? lockdep_hardirqs_on+0x296/0x5b0
[  743.103589]  __alloc_skb+0x119/0x770
[  743.107332]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  743.112711]  ? netdev_alloc_frag+0x1f0/0x1f0
[  743.117142]  ? vprintk_default+0x28/0x30
[  743.121213]  ? vprintk_func+0x85/0x181
[  743.125110]  ? printk+0xa7/0xcf
[  743.128403]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  743.133177]  new_skb+0x26/0x1c0
[  743.136471]  aoecmd_cfg+0x279/0x7f0
[  743.140109]  ? find_held_lock+0x36/0x1c0
[  743.144187]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  743.148529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  743.154091]  ? __lock_is_held+0xb5/0x140
[  743.158174]  discover_timer+0x50/0x60
[  743.161986]  call_timer_fn+0x272/0x920
[  743.165882]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  743.170736]  ? process_timeout+0x40/0x40
[  743.174819]  ? mark_held_locks+0xc7/0x130
[  743.178982]  ? _raw_spin_unlock_irq+0x27/0x80
[  743.183487]  ? _raw_spin_unlock_irq+0x27/0x80
[  743.187994]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  743.192845]  ? lockdep_hardirqs_on+0x296/0x5b0
[  743.197442]  ? trace_hardirqs_on+0xbd/0x310
[  743.201777]  ? kasan_check_read+0x11/0x20
[  743.205933]  ? __run_timers+0x7da/0xc70
[  743.209920]  ? trace_hardirqs_off_caller+0x310/0x310
[  743.215147]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  743.219995]  __run_timers+0x7e5/0xc70
[  743.223818]  ? timer_fixup_init+0x70/0x70
[  743.227981]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  743.233008]  ? zap_class+0x640/0x640
[  743.236739]  ? print_usage_bug+0xc0/0xc0
[  743.240817]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  743.246024]  ? find_held_lock+0x36/0x1c0
[  743.250173]  ? zap_class+0x640/0x640
[  743.253900]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  743.259450]  ? check_preemption_disabled+0x48/0x280
[  743.264488]  ? __lock_is_held+0xb5/0x140
[  743.268574]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  743.274119]  ? check_preemption_disabled+0x48/0x280
[  743.279152]  run_timer_softirq+0x52/0xb0
[  743.283224]  ? rcu_read_lock_sched_held+0x14f/0x180
[  743.288255]  __do_softirq+0x308/0xb7e
[  743.292068]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  743.296572]  ? lock_downgrade+0x900/0x900
[  743.300730]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  743.305847]  ? pvclock_read_flags+0x160/0x160
[  743.310349]  ? lapic_next_event+0x5a/0x90
[  743.314500]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  743.320044]  ? kvm_clock_read+0x18/0x30
[  743.324020]  ? kvm_sched_clock_read+0x9/0x20
[  743.328434]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  743.333974]  ? check_preemption_disabled+0x48/0x280
[  743.339001]  irq_exit+0x17f/0x1c0
[  743.342459]  smp_apic_timer_interrupt+0x1cb/0x760
[  743.347307]  ? smp_call_function_single_interrupt+0x159/0x650
[  743.353194]  ? smp_call_function_single_interrupt+0x650/0x650
[  743.359082]  ? interrupt_entry+0xb5/0xc0
[  743.363146]  ? trace_hardirqs_off_caller+0xbb/0x310
[  743.368163]  ? trace_hardirqs_off_caller+0xbb/0x310
[  743.373182]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  743.378026]  ? trace_hardirqs_on_caller+0x310/0x310
[  743.383040]  ? trace_hardirqs_on_caller+0x310/0x310
[  743.388060]  ? task_prio+0x50/0x50
[  743.391602]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  743.397145]  ? check_preemption_disabled+0x48/0x280
[  743.402173]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  743.407024]  apic_timer_interrupt+0xf/0x20
[  743.411255]  </IRQ>
[  743.413492] RIP: 0010:rcu_is_watching+0x0/0x30
[  743.418075] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
[  743.436984] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  743.444689] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
[  743.451964] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
[  743.459271] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
[  743.466566] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
[  743.473834] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  743.481123]  ? list_lru_count_one+0x253/0x450
[  743.485631]  ? list_lru_count_one+0x35d/0x450
[  743.490191]  ? list_lru_count_one+0x362/0x450
[  743.494717]  ? list_lru_isolate_move+0x3c0/0x3c0
[  743.499474]  ? shmem_free_inode+0xd0/0xd0
[  743.503623]  ? __lock_is_held+0xb5/0x140
[  743.507691]  super_cache_count+0x1b9/0x2e0
[  743.511936]  do_shrink_slab+0x1b1/0xd30
[  743.515920]  ? snapshot_refaults+0x290/0x290
[  743.520334]  ? lock_release+0xa00/0xa00
[  743.524339]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  743.529308]  ? down_read_trylock+0xda/0x140
[  743.533639]  ? shrink_slab+0x207/0x8c0
[  743.537547]  ? downgrade_write+0x270/0x270
[  743.541805]  shrink_slab+0x389/0x8c0
[  743.545529]  ? shrink_active_list+0x1f00/0x1f00
[  743.550208]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  743.555839]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  743.560950]  ? cgroup_procs_write_finish+0xf0/0xf0
[  743.565884]  ? find_held_lock+0x36/0x1c0
[  743.569950]  shrink_node+0x431/0x16b0
[  743.573754]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  743.579053]  ? shrink_node_memcg+0x18f0/0x18f0
[  743.583644]  ? kvm_clock_read+0x18/0x30
[  743.587622]  ? ktime_get+0x2c1/0x400
[  743.591370]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  743.595871]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  743.601416]  ? __cpuset_node_allowed+0x19b/0x660
[  743.606176]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  743.611885]  ? delayacct_end+0x5a/0x100
[  743.615877]  do_try_to_free_pages+0x3e7/0x1290
[  743.620505]  ? zap_class+0x640/0x640
[  743.624277]  ? shrink_node+0x16b0/0x16b0
[  743.628348]  ? __lock_is_held+0xb5/0x140
[  743.632424]  try_to_free_pages+0x4d0/0xb90
[  743.636662]  ? do_try_to_free_pages+0x1290/0x1290
[  743.641522]  ? lock_acquire+0x1ed/0x520
[  743.645497]  ? set_page_refcounted+0x280/0x280
[  743.650089]  ? lock_release+0xa00/0xa00
[  743.654064]  ? _raw_spin_unlock_irq+0x60/0x80
[  743.658563]  ? psi_memstall_enter+0x240/0x2b0
[  743.663058]  ? psi_memstall_tick+0x230/0x230
[  743.667482]  __alloc_pages_slowpath+0xa48/0x2de0
[  743.672275]  ? warn_alloc+0x120/0x120
[  743.676086]  ? mark_held_locks+0x130/0x130
[  743.680343]  ? find_get_entry+0xaae/0x1120
[  743.684598]  ? filemap_map_pages+0x1a20/0x1a20
[  743.689194]  ? zap_class+0x640/0x640
[  743.692913]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  743.698456]  ? check_preemption_disabled+0x48/0x280
[  743.703473]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  743.709013]  ? should_fail+0x22d/0xd01
[  743.712908]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  743.718016]  ? zap_class+0x640/0x640
[  743.721755]  ? __lock_is_held+0xb5/0x140
[  743.725827]  ? mark_held_locks+0x130/0x130
[  743.730063]  ? lock_release+0xa00/0xa00
[  743.734037]  ? perf_trace_sched_process_exec+0x860/0x860
[  743.739482]  ? xa_load+0x2ba/0x460
[  743.743023]  ? lock_downgrade+0x900/0x900
[  743.747182]  ? __might_sleep+0x95/0x190
[  743.751173]  __alloc_pages_nodemask+0xad8/0xea0
[  743.755846]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  743.760863]  ? __page_cache_alloc+0x191/0x5c0
[  743.765383]  ? xa_load+0x2e1/0x460
[  743.768936]  ? xa_clear_mark+0x40/0x40
[  743.772825]  ? zap_class+0x640/0x640
[  743.776543]  ? zap_class+0x640/0x640
[  743.780274]  ? zap_class+0x640/0x640
[  743.784011]  ? __do_page_cache_readahead+0x663/0x810
[  743.789114]  ? find_held_lock+0x36/0x1c0
[  743.793177]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  743.798716]  alloc_pages_current+0x173/0x350
[  743.803146]  __page_cache_alloc+0x38c/0x5c0
[  743.807466]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  743.812402]  ? kasan_check_read+0x11/0x20
[  743.816549]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  743.821830]  ? generic_perform_write+0x6a0/0x6a0
[  743.826587]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  743.832162]  ? check_preemption_disabled+0x48/0x280
[  743.837205]  filemap_fault+0x1595/0x25f0
[  743.841278]  ? __lock_page_or_retry+0xa00/0xa00
[  743.845958]  ? mark_held_locks+0x130/0x130
[  743.850214]  ? filemap_map_pages+0xd6b/0x1a20
[  743.854707]  ? lock_downgrade+0x900/0x900
[  743.858853]  ? check_preemption_disabled+0x48/0x280
[  743.863871]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  743.868827]  ? kasan_check_read+0x11/0x20
[  743.872972]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  743.878249]  ? rcu_softirq_qs+0x20/0x20
[  743.882237]  ? filemap_map_pages+0xd92/0x1a20
[  743.886742]  ? find_get_entries_tag+0x1400/0x1400
[  743.891593]  ? debug_object_destroy+0x2b0/0x2b0
[  743.896281]  ? lock_pi_update_atomic+0x150/0x150
[  743.901046]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  743.906603]  ? lock_acquire+0x1ed/0x520
[  743.910579]  ? ext4_filemap_fault+0x7a/0xad
[  743.914916]  ? lock_release+0xa00/0xa00
[  743.918888]  ? perf_trace_sched_process_exec+0x860/0x860
[  743.924338]  ? print_usage_bug+0xc0/0xc0
[  743.928405]  ? print_usage_bug+0xc0/0xc0
[  743.932482]  ? down_read+0x8d/0x120
[  743.936119]  ? ext4_filemap_fault+0x7a/0xad
[  743.940459]  ? __down_interruptible+0x700/0x700
[  743.945139]  ext4_filemap_fault+0x82/0xad
[  743.949291]  __do_fault+0x100/0x6b0
[  743.952925]  ? release_sock+0x1ec/0x2c0
[  743.956904]  ? pmd_devmap_trans_unstable+0x220/0x220
[  743.962013]  ? mark_held_locks+0x130/0x130
[  743.966446]  ? mark_held_locks+0x130/0x130
[  743.970678]  ? lock_sock_nested+0x9a/0x120
[  743.974918]  ? __release_sock+0x3a0/0x3a0
[  743.979066]  ? __local_bh_enable_ip+0x160/0x260
[  743.983733]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  743.989272]  __handle_mm_fault+0x3ea0/0x5be0
[  743.993703]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  743.998557]  ? apparmor_socket_sendmsg+0x29/0x30
[  744.003324]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  744.008862]  ? security_socket_sendmsg+0x94/0xc0
[  744.013623]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  744.019178]  ? zap_class+0x640/0x640
[  744.022904]  ? zap_class+0x640/0x640
[  744.026614]  ? __x64_sys_futex+0x53e/0x6a0
[  744.030855]  ? find_held_lock+0x36/0x1c0
[  744.034925]  ? handle_mm_fault+0x42a/0xc70
[  744.039161]  ? lock_downgrade+0x900/0x900
[  744.043332]  ? check_preemption_disabled+0x48/0x280
[  744.048363]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  744.053291]  ? kasan_check_read+0x11/0x20
[  744.057446]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  744.062721]  ? rcu_softirq_qs+0x20/0x20
[  744.066691]  ? trace_hardirqs_off_caller+0x310/0x310
[  744.071793]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  744.077338]  ? check_preemption_disabled+0x48/0x280
[  744.082362]  handle_mm_fault+0x54f/0xc70
[  744.086438]  ? __handle_mm_fault+0x5be0/0x5be0
[  744.091037]  ? find_vma+0x34/0x190
[  744.094794]  __do_page_fault+0x5e8/0xe60
[  744.098873]  ? trace_hardirqs_off+0xb8/0x310
[  744.103282]  ? __ia32_sys_read+0xb0/0xb0
[  744.107368]  do_page_fault+0xf2/0x7e0
[  744.111170]  ? vmalloc_sync_all+0x30/0x30
[  744.115365]  ? error_entry+0x70/0xd0
[  744.119082]  ? trace_hardirqs_off_caller+0xbb/0x310
[  744.124095]  ? trace_hardirqs_on_caller+0xc0/0x310
[  744.129035]  ? syscall_return_slowpath+0x5e0/0x5e0
[  744.133964]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  744.138806]  ? trace_hardirqs_on_caller+0x310/0x310
[  744.143824]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  744.149320]  ? prepare_exit_to_usermode+0x291/0x3b0
[  744.154339]  ? page_fault+0x8/0x30
[  744.157895]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  744.162737]  ? page_fault+0x8/0x30
[  744.166281]  page_fault+0x1e/0x30
[  744.169743] RIP: 0033:0x45ddf3
[  744.172946] Code: Bad RIP value.
[  744.176313] RSP: 002b:000000c420023ea0 EFLAGS: 00010202
[  744.181674] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
[  744.188940] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  744.196205] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  744.203474] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  744.210740] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
[  744.218043] warn_alloc_show_mem: 1 callbacks suppressed
[  744.218055] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304
[  744.218057] Mem-Info:
[  744.218091] active_anon:59588 inactive_anon:187 isolated_anon:0
[  744.218091]  active_file:13 inactive_file:14 isolated_file:0
[  744.218091]  unevictable:0 dirty:0 writeback:0 unstable:0
[  744.218091]  slab_reclaimable:10147 slab_unreclaimable:1445690
[  744.218091]  mapped:49154 shmem:244 pagetables:690 bounce:0
[  744.218091]  free:13773 free_pcp:174 free_cma:0
[  744.223436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  744.230715] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  744.233116] Call Trace:
[  744.266071] 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
[  744.275413]  <IRQ>
[  744.303007] lowmem_reserve[]: 0 2818 6321 6321
[  744.305590]  dump_stack+0x244/0x39d
[  744.331668] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  744.333817]  ? dump_stack_print_info.cold.1+0x20/0x20
[  744.338367] lowmem_reserve[]: 0 0 3503 3503
[  744.341999]  warn_alloc.cold.116+0xb7/0x1bd
[  744.369467] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB
[  744.374650]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  744.378945] lowmem_reserve[]: 0 0 0 0
[  744.383264]  ? lock_downgrade+0x900/0x900
[  744.412123] 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
[  744.416961]  ? trace_hardirqs_off+0xb8/0x310
[  744.420730] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
[  744.424872]  ? trace_hardirqs_off+0xb8/0x310
[  744.438366] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  744.442773]  __alloc_pages_slowpath+0x2651/0x2de0
[  744.458732] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  744.463165]  ? warn_alloc+0x120/0x120
[  744.476737] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  744.481569]  ? print_usage_bug+0xc0/0xc0
[  744.490385] 271 total pagecache pages
[  744.494189]  ? warn_alloc+0x120/0x120
[  744.502750] 0 pages in swap cache
[  744.506800]  ? warn_alloc+0x120/0x120
[  744.510584] Swap cache stats: add 0, delete 0, find 0/0
[  744.514375]  ? print_usage_bug+0xc0/0xc0
[  744.517801] Free swap  = 0kB
[  744.521614]  ? kvm_clock_read+0x18/0x30
[  744.526962] Total swap = 0kB
[  744.531013]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  744.531030]  ? print_usage_bug+0xc0/0xc0
[  744.534033] 1965979 pages RAM
[  744.538001]  ? __lock_acquire+0x62f/0x4c20
[  744.540998] 0 pages HighMem/MovableOnly
[  744.546010]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  744.550042] 342854 pages reserved
[  744.553148]  ? should_fail+0x22d/0xd01
[  744.557359] 0 pages cma reserved
[  744.561329]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  744.566915] aoe: skb alloc failure
[  744.570308]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  744.574291] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  744.577559]  ? __lock_acquire+0x62f/0x4c20
[  744.582815] syz-fuzzer cpuset=/ mems_allowed=0
[  744.586387]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  744.615536]  ? __lock_acquire+0x62f/0x4c20
[  744.619767]  ? should_fail+0x22d/0xd01
[  744.623664]  ? rcu_irq_exit+0x1a2/0x390
[  744.627647]  ? mark_held_locks+0x130/0x130
[  744.631885]  ? mark_held_locks+0x130/0x130
[  744.636122]  ? mark_held_locks+0xc7/0x130
[  744.640268]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  744.645290]  ? zap_class+0x640/0x640
[  744.649012]  ? print_usage_bug+0xc0/0xc0
[  744.653082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  744.658622]  ? check_preemption_disabled+0x48/0x280
[  744.663650]  ? __lock_is_held+0xb5/0x140
[  744.667753]  __alloc_pages_nodemask+0xad8/0xea0
[  744.672421]  ? zap_class+0x640/0x640
[  744.676136]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  744.681160]  ? find_held_lock+0x36/0x1c0
[  744.685260]  ? ____cache_alloc_node+0x1c7/0x1e0
[  744.689953]  ? lock_downgrade+0x900/0x900
[  744.694105]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  744.699643]  cache_grow_begin+0xa5/0x8c0
[  744.703701]  ? do_raw_spin_unlock+0xa7/0x330
[  744.708113]  fallback_alloc+0x204/0x2e0
[  744.712096]  ____cache_alloc_node+0x1c7/0x1e0
[  744.716596]  kmem_cache_alloc_node+0xe3/0x730
[  744.721091]  ? ipv6_get_ifaddr+0x42e/0x620
[  744.725354]  __alloc_skb+0x119/0x770
[  744.729072]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  744.734350]  ? netdev_alloc_frag+0x1f0/0x1f0
[  744.738757]  ? lock_downgrade+0x900/0x900
[  744.742939]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  744.748491]  ? refcount_sub_and_test_checked+0x203/0x310
[  744.753945]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  744.759396]  ? addrconf_rs_timer+0x690/0x690
[  744.763812]  ndisc_alloc_skb+0x144/0x340
[  744.767873]  ndisc_send_rs+0x331/0x6e0
[  744.771761]  addrconf_rs_timer+0x314/0x690
[  744.775994]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  744.780235]  call_timer_fn+0x272/0x920
[  744.784137]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  744.788381]  ? process_timeout+0x40/0x40
[  744.792448]  ? __run_timers+0x7da/0xc70
[  744.796420]  ? _raw_spin_unlock_irq+0x27/0x80
[  744.800911]  ? _raw_spin_unlock_irq+0x27/0x80
[  744.805407]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  744.809644]  ? lockdep_hardirqs_on+0x296/0x5b0
[  744.814226]  ? trace_hardirqs_on+0xbd/0x310
[  744.818551]  ? kasan_check_read+0x11/0x20
[  744.822695]  ? __run_timers+0x7da/0xc70
[  744.826675]  ? trace_hardirqs_off_caller+0x310/0x310
[  744.831793]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  744.836025]  __run_timers+0x7e5/0xc70
[  744.839843]  ? timer_fixup_init+0x70/0x70
[  744.843994]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  744.849043]  ? zap_class+0x640/0x640
[  744.852778]  ? enqueue_hrtimer+0x1a5/0x560
[  744.857018]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  744.862238]  ? find_held_lock+0x36/0x1c0
[  744.866312]  ? zap_class+0x640/0x640
[  744.870030]  ? pvclock_read_flags+0x160/0x160
[  744.874527]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  744.880074]  ? check_preemption_disabled+0x48/0x280
[  744.885100]  ? __lock_is_held+0xb5/0x140
[  744.889162]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  744.894700]  ? check_preemption_disabled+0x48/0x280
[  744.899723]  run_timer_softirq+0x52/0xb0
[  744.903786]  ? rcu_read_lock_sched_held+0x14f/0x180
[  744.908799]  __do_softirq+0x308/0xb7e
[  744.912604]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  744.917093]  ? lock_downgrade+0x900/0x900
[  744.921242]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  744.926348]  ? pvclock_read_flags+0x160/0x160
[  744.930847]  ? lapic_next_event+0x5a/0x90
[  744.935008]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  744.940556]  ? kvm_clock_read+0x18/0x30
[  744.944539]  ? kvm_sched_clock_read+0x9/0x20
[  744.948946]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  744.954476]  ? check_preemption_disabled+0x48/0x280
[  744.959496]  irq_exit+0x17f/0x1c0
[  744.962949]  smp_apic_timer_interrupt+0x1cb/0x760
[  744.967786]  ? smp_reschedule_interrupt+0x109/0x650
[  744.972815]  ? smp_call_function_single_interrupt+0x650/0x650
[  744.978709]  ? interrupt_entry+0xb5/0xc0
[  744.982779]  ? trace_hardirqs_off_caller+0xbb/0x310
[  744.987787]  ? trace_hardirqs_off_caller+0xbb/0x310
[  744.992803]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  744.997645]  ? trace_hardirqs_on_caller+0x310/0x310
[  745.002658]  ? trace_hardirqs_on_caller+0x310/0x310
[  745.007683]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  745.012533]  apic_timer_interrupt+0xf/0x20
[  745.016773]  </IRQ>
[  745.019013] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  745.024933] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
[  745.043832] RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  745.051539] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  745.058855] RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286
[  745.066136] RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000
[  745.073400] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40
[  745.080668] R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286
[  745.087970]  ? save_stack+0xa9/0xd0
[  745.091622]  __kmalloc_node_track_caller+0x3c/0x70
[  745.096570]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  745.101357]  pskb_expand_head+0x230/0x10f0
[  745.105591]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  745.111049]  ? memcpy+0x45/0x50
[  745.114341]  ? __copy_skb_header+0x350/0x6b0
[  745.118750]  ? skb_release_data+0x880/0x880
[  745.123076]  ? __alloc_skb+0x770/0x770
[  745.126976]  ? __lock_is_held+0xb5/0x140
[  745.131044]  ? kasan_check_write+0x14/0x20
[  745.135284]  ? __skb_clone+0x6c7/0xa00
[  745.139195]  ? __copy_skb_header+0x6b0/0x6b0
[  745.143600]  ? kmem_cache_alloc+0x33a/0x730
[  745.147927]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  745.153474]  skb_ensure_writable+0x3dd/0x640
[  745.157884]  ? skb_checksum_setup+0xaa0/0xaa0
[  745.162384]  ? preempt_notifier_register+0x200/0x200
[  745.167487]  ? __switch_to_asm+0x34/0x70
[  745.171552]  ? __switch_to_asm+0x34/0x70
[  745.175641]  ? __switch_to_asm+0x40/0x70
[  745.179700]  ? __switch_to_asm+0x34/0x70
[  745.183757]  ? __switch_to_asm+0x40/0x70
[  745.187816]  ? __switch_to_asm+0x40/0x70
[  745.191876]  ? __switch_to_asm+0x34/0x70
[  745.195970]  ? __switch_to_asm+0x34/0x70
[  745.200050]  ? __switch_to_asm+0x40/0x70
[  745.204114]  ? __switch_to_asm+0x34/0x70
[  745.208178]  bpf_clone_redirect+0x14a/0x490
[  745.212507]  bpf_prog_12ab75334035c288+0xfcd/0x1000
[  745.217539]  ? __sched_text_start+0x8/0x8
[  745.221691]  ? retint_kernel+0x2d/0x2d
[  745.225586]  ? find_held_lock+0x36/0x1c0
[  745.229673]  ? lock_acquire+0x1ed/0x520
[  745.233651]  ? bpf_test_run+0x3cb/0x780
[  745.237625]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  745.243163]  ? check_preemption_disabled+0x48/0x280
[  745.248185]  ? kasan_check_read+0x11/0x20
[  745.252348]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  745.257623]  ? rcu_softirq_qs+0x20/0x20
[  745.261629]  ? preempt_schedule+0x4d/0x60
[  745.265776]  ? ___preempt_schedule+0x16/0x18
[  745.270195]  ? bpf_test_run+0x25d/0x780
[  745.274180]  ? netlink_diag_dump+0x2a0/0x2a0
[  745.278606]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  745.284145]  ? bpf_test_init.isra.10+0x70/0x100
[  745.288832]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  745.293602]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  745.298463]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  745.304012]  ? fput+0x130/0x1a0
[  745.307322]  ? __bpf_prog_get+0x9b/0x290
[  745.311389]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  745.316261]  ? bpf_prog_test_run+0x130/0x1a0
[  745.320672]  ? __x64_sys_bpf+0x3d8/0x520
[  745.324729]  ? bpf_prog_get+0x20/0x20
[  745.328555]  ? do_syscall_64+0x1b9/0x820
[  745.332622]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  745.337992]  ? syscall_return_slowpath+0x5e0/0x5e0
[  745.342962]  ? trace_hardirqs_on_caller+0x310/0x310
[  745.347994]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  745.353008]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  745.359686]  ? __switch_to_asm+0x40/0x70
[  745.363757]  ? __switch_to_asm+0x34/0x70
[  745.367826]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  745.372679]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  745.378068] CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
[  745.378142] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  745.385084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  745.385090] Call Trace:
[  745.385096]  <IRQ>
[  745.385114]  dump_stack+0x244/0x39d
[  745.385132]  ? dump_stack_print_info.cold.1+0x20/0x20
[  745.391667] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  745.400963]  warn_alloc.cold.116+0xb7/0x1bd
[  745.403517] syz-executor3 cpuset=syz3 mems_allowed=0
[  745.405663]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  745.439167]  ? lock_downgrade+0x900/0x900
[  745.443340]  ? trace_hardirqs_off+0xb8/0x310
[  745.447759]  ? trace_hardirqs_off+0xb8/0x310
[  745.452177]  __alloc_pages_slowpath+0x2651/0x2de0
[  745.457066]  ? warn_alloc+0x120/0x120
[  745.460873]  ? warn_alloc+0x120/0x120
[  745.464682]  ? warn_alloc+0x120/0x120
[  745.468504]  ? print_usage_bug+0xc0/0xc0
[  745.472576]  ? print_usage_bug+0xc0/0xc0
[  745.476640]  ? ktime_get+0x2c1/0x400
[  745.480363]  ? check_preemption_disabled+0x48/0x280
[  745.485378]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  745.489876]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  745.495416]  ? should_fail+0x22d/0xd01
[  745.499311]  ? kasan_check_read+0x11/0x20
[  745.503461]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  745.508574]  ? __lock_acquire+0x62f/0x4c20
[  745.512816]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  745.517921]  ? should_fail+0x22d/0xd01
[  745.521810]  ? print_usage_bug+0xc0/0xc0
[  745.525896]  ? mark_held_locks+0x130/0x130
[  745.530178]  ? mark_held_locks+0x130/0x130
[  745.534436]  ? check_preemption_disabled+0x48/0x280
[  745.539464]  ? zap_class+0x640/0x640
[  745.543193]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  745.548011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  745.553566]  ? check_preemption_disabled+0x48/0x280
[  745.558612]  ? __lock_is_held+0xb5/0x140
[  745.562682]  __alloc_pages_nodemask+0xad8/0xea0
[  745.567354]  ? zap_class+0x640/0x640
[  745.571074]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  745.576102]  ? find_held_lock+0x36/0x1c0
[  745.580176]  ? ____cache_alloc_node+0x1c7/0x1e0
[  745.584846]  ? lock_downgrade+0x900/0x900
[  745.589021]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  745.594571]  cache_grow_begin+0xa5/0x8c0
[  745.598633]  ? do_raw_spin_unlock+0xa7/0x330
[  745.603049]  fallback_alloc+0x204/0x2e0
[  745.607033]  ____cache_alloc_node+0x1c7/0x1e0
[  745.611538]  kmem_cache_alloc_node+0xe3/0x730
[  745.616039]  ? lockdep_hardirqs_on+0x296/0x5b0
[  745.620636]  __alloc_skb+0x119/0x770
[  745.624351]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  745.629717]  ? netdev_alloc_frag+0x1f0/0x1f0
[  745.634130]  ? vprintk_default+0x28/0x30
[  745.638188]  ? vprintk_func+0x85/0x181
[  745.642075]  ? printk+0xa7/0xcf
[  745.645354]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  745.650116]  new_skb+0x26/0x1c0
[  745.653398]  aoecmd_cfg+0x279/0x7f0
[  745.657031]  ? find_held_lock+0x36/0x1c0
[  745.661122]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  745.665470]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  745.671019]  ? __lock_is_held+0xb5/0x140
[  745.675108]  discover_timer+0x50/0x60
[  745.678905]  call_timer_fn+0x272/0x920
[  745.682792]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  745.687633]  ? process_timeout+0x40/0x40
[  745.691717]  ? mark_held_locks+0xc7/0x130
[  745.695880]  ? _raw_spin_unlock_irq+0x27/0x80
[  745.700375]  ? _raw_spin_unlock_irq+0x27/0x80
[  745.704889]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  745.709761]  ? lockdep_hardirqs_on+0x296/0x5b0
[  745.714345]  ? trace_hardirqs_on+0xbd/0x310
[  745.718666]  ? kasan_check_read+0x11/0x20
[  745.722824]  ? __run_timers+0x7da/0xc70
[  745.726804]  ? trace_hardirqs_off_caller+0x310/0x310
[  745.731917]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  745.736757]  __run_timers+0x7e5/0xc70
[  745.740577]  ? timer_fixup_init+0x70/0x70
[  745.744729]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  745.749771]  ? zap_class+0x640/0x640
[  745.753491]  ? print_usage_bug+0xc0/0xc0
[  745.757556]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  745.762765]  ? find_held_lock+0x36/0x1c0
[  745.766831]  ? zap_class+0x640/0x640
[  745.770553]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  745.776094]  ? check_preemption_disabled+0x48/0x280
[  745.781128]  ? __lock_is_held+0xb5/0x140
[  745.785201]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  745.790737]  ? check_preemption_disabled+0x48/0x280
[  745.795773]  run_timer_softirq+0x52/0xb0
[  745.799838]  ? rcu_read_lock_sched_held+0x14f/0x180
[  745.804855]  __do_softirq+0x308/0xb7e
[  745.808658]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  745.813152]  ? lock_downgrade+0x900/0x900
[  745.817312]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  745.822425]  ? pvclock_read_flags+0x160/0x160
[  745.826949]  ? lapic_next_event+0x5a/0x90
[  745.831096]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  745.836658]  ? kvm_clock_read+0x18/0x30
[  745.840648]  ? kvm_sched_clock_read+0x9/0x20
[  745.845063]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  745.850601]  ? check_preemption_disabled+0x48/0x280
[  745.855624]  irq_exit+0x17f/0x1c0
[  745.859074]  smp_apic_timer_interrupt+0x1cb/0x760
[  745.863916]  ? smp_call_function_single_interrupt+0x159/0x650
[  745.869801]  ? smp_call_function_single_interrupt+0x650/0x650
[  745.875686]  ? interrupt_entry+0xb5/0xc0
[  745.879770]  ? trace_hardirqs_off_caller+0xbb/0x310
[  745.884811]  ? trace_hardirqs_off_caller+0xbb/0x310
[  745.889828]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  745.894669]  ? trace_hardirqs_on_caller+0x310/0x310
[  745.899683]  ? trace_hardirqs_on_caller+0x310/0x310
[  745.904712]  ? task_prio+0x50/0x50
[  745.908255]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  745.913814]  ? check_preemption_disabled+0x48/0x280
[  745.918834]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  745.923681]  apic_timer_interrupt+0xf/0x20
[  745.927921]  </IRQ>
[  745.930157] RIP: 0010:rcu_is_watching+0x0/0x30
[  745.934737] Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
[  745.953648] RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  745.961358] RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
[  745.968865] RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
[  745.976129] RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
[  745.983396] R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
[  745.990659] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  745.997942]  ? list_lru_count_one+0x253/0x450
[  746.002437]  ? list_lru_count_one+0x35d/0x450
[  746.006942]  ? list_lru_count_one+0x362/0x450
[  746.011438]  ? list_lru_isolate_move+0x3c0/0x3c0
[  746.016199]  ? shmem_free_inode+0xd0/0xd0
[  746.020384]  ? __lock_is_held+0xb5/0x140
[  746.024457]  super_cache_count+0x1b9/0x2e0
[  746.028699]  do_shrink_slab+0x1b1/0xd30
[  746.032688]  ? snapshot_refaults+0x290/0x290
[  746.037101]  ? lock_release+0xa00/0xa00
[  746.041084]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  746.046024]  ? down_read_trylock+0xda/0x140
[  746.050346]  ? shrink_slab+0x207/0x8c0
[  746.054232]  ? downgrade_write+0x270/0x270
[  746.058478]  shrink_slab+0x389/0x8c0
[  746.062188]  ? shrink_active_list+0x1f00/0x1f00
[  746.066862]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  746.072493]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  746.077609]  ? cgroup_procs_write_finish+0xf0/0xf0
[  746.082545]  ? find_held_lock+0x36/0x1c0
[  746.086641]  shrink_node+0x431/0x16b0
[  746.090474]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  746.095786]  ? shrink_node_memcg+0x18f0/0x18f0
[  746.100376]  ? kvm_clock_read+0x18/0x30
[  746.104366]  ? ktime_get+0x2c1/0x400
[  746.108084]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  746.112586]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  746.118123]  ? __cpuset_node_allowed+0x19b/0x660
[  746.122883]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  746.128597]  ? delayacct_end+0x5a/0x100
[  746.132590]  do_try_to_free_pages+0x3e7/0x1290
[  746.137172]  ? zap_class+0x640/0x640
[  746.140903]  ? shrink_node+0x16b0/0x16b0
[  746.144964]  ? __lock_is_held+0xb5/0x140
[  746.149051]  try_to_free_pages+0x4d0/0xb90
[  746.153289]  ? do_try_to_free_pages+0x1290/0x1290
[  746.158153]  ? lock_acquire+0x1ed/0x520
[  746.162128]  ? set_page_refcounted+0x280/0x280
[  746.166715]  ? lock_release+0xa00/0xa00
[  746.170692]  ? _raw_spin_unlock_irq+0x60/0x80
[  746.175219]  ? psi_memstall_enter+0x240/0x2b0
[  746.179713]  ? psi_memstall_tick+0x230/0x230
[  746.184129]  __alloc_pages_slowpath+0xa48/0x2de0
[  746.188913]  ? warn_alloc+0x120/0x120
[  746.192712]  ? mark_held_locks+0x130/0x130
[  746.196958]  ? find_get_entry+0xaae/0x1120
[  746.201207]  ? filemap_map_pages+0x1a20/0x1a20
[  746.205796]  ? zap_class+0x640/0x640
[  746.209523]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  746.215086]  ? check_preemption_disabled+0x48/0x280
[  746.220099]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  746.225651]  ? should_fail+0x22d/0xd01
[  746.229544]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  746.234654]  ? zap_class+0x640/0x640
[  746.238398]  ? __lock_is_held+0xb5/0x140
[  746.242466]  ? mark_held_locks+0x130/0x130
[  746.246707]  ? lock_release+0xa00/0xa00
[  746.250694]  ? perf_trace_sched_process_exec+0x860/0x860
[  746.256152]  ? xa_load+0x2ba/0x460
[  746.259694]  ? lock_downgrade+0x900/0x900
[  746.263846]  ? __might_sleep+0x95/0x190
[  746.267820]  __alloc_pages_nodemask+0xad8/0xea0
[  746.272491]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  746.277507]  ? __page_cache_alloc+0x191/0x5c0
[  746.281994]  ? xa_load+0x2e1/0x460
[  746.285569]  ? xa_clear_mark+0x40/0x40
[  746.289491]  ? zap_class+0x640/0x640
[  746.293217]  ? zap_class+0x640/0x640
[  746.296925]  ? zap_class+0x640/0x640
[  746.300636]  ? __do_page_cache_readahead+0x663/0x810
[  746.305743]  ? find_held_lock+0x36/0x1c0
[  746.309807]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  746.315375]  alloc_pages_current+0x173/0x350
[  746.319786]  __page_cache_alloc+0x38c/0x5c0
[  746.324104]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  746.329044]  ? kasan_check_read+0x11/0x20
[  746.333189]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  746.338466]  ? generic_perform_write+0x6a0/0x6a0
[  746.343243]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  746.348782]  ? check_preemption_disabled+0x48/0x280
[  746.353837]  filemap_fault+0x1595/0x25f0
[  746.357926]  ? __lock_page_or_retry+0xa00/0xa00
[  746.362600]  ? mark_held_locks+0x130/0x130
[  746.366847]  ? filemap_map_pages+0xd6b/0x1a20
[  746.371357]  ? lock_downgrade+0x900/0x900
[  746.375504]  ? check_preemption_disabled+0x48/0x280
[  746.380522]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  746.385481]  ? kasan_check_read+0x11/0x20
[  746.389632]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  746.394998]  ? rcu_softirq_qs+0x20/0x20
[  746.398981]  ? filemap_map_pages+0xd92/0x1a20
[  746.403490]  ? find_get_entries_tag+0x1400/0x1400
[  746.408337]  ? debug_object_destroy+0x2b0/0x2b0
[  746.413008]  ? lock_pi_update_atomic+0x150/0x150
[  746.417764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  746.423351]  ? lock_acquire+0x1ed/0x520
[  746.427350]  ? ext4_filemap_fault+0x7a/0xad
[  746.431681]  ? lock_release+0xa00/0xa00
[  746.435654]  ? perf_trace_sched_process_exec+0x860/0x860
[  746.441105]  ? print_usage_bug+0xc0/0xc0
[  746.445167]  ? print_usage_bug+0xc0/0xc0
[  746.449241]  ? down_read+0x8d/0x120
[  746.452866]  ? ext4_filemap_fault+0x7a/0xad
[  746.457189]  ? __down_interruptible+0x700/0x700
[  746.461882]  ext4_filemap_fault+0x82/0xad
[  746.466031]  __do_fault+0x100/0x6b0
[  746.469673]  ? release_sock+0x1ec/0x2c0
[  746.473655]  ? pmd_devmap_trans_unstable+0x220/0x220
[  746.478768]  ? mark_held_locks+0x130/0x130
[  746.483016]  ? mark_held_locks+0x130/0x130
[  746.487261]  ? lock_sock_nested+0x9a/0x120
[  746.491495]  ? __release_sock+0x3a0/0x3a0
[  746.495644]  ? __local_bh_enable_ip+0x160/0x260
[  746.500322]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  746.505862]  __handle_mm_fault+0x3ea0/0x5be0
[  746.510284]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  746.515132]  ? apparmor_socket_sendmsg+0x29/0x30
[  746.519892]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  746.525466]  ? security_socket_sendmsg+0x94/0xc0
[  746.530232]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  746.535780]  ? zap_class+0x640/0x640
[  746.539489]  ? zap_class+0x640/0x640
[  746.543212]  ? __x64_sys_futex+0x53e/0x6a0
[  746.547462]  ? find_held_lock+0x36/0x1c0
[  746.551535]  ? handle_mm_fault+0x42a/0xc70
[  746.555772]  ? lock_downgrade+0x900/0x900
[  746.559942]  ? check_preemption_disabled+0x48/0x280
[  746.564990]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  746.569919]  ? kasan_check_read+0x11/0x20
[  746.574065]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  746.579345]  ? rcu_softirq_qs+0x20/0x20
[  746.583335]  ? trace_hardirqs_off_caller+0x310/0x310
[  746.588459]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  746.593994]  ? check_preemption_disabled+0x48/0x280
[  746.599048]  handle_mm_fault+0x54f/0xc70
[  746.603112]  ? __handle_mm_fault+0x5be0/0x5be0
[  746.607704]  ? find_vma+0x34/0x190
[  746.611251]  __do_page_fault+0x5e8/0xe60
[  746.615320]  ? trace_hardirqs_off+0xb8/0x310
[  746.619724]  ? __ia32_sys_read+0xb0/0xb0
[  746.623792]  do_page_fault+0xf2/0x7e0
[  746.627597]  ? vmalloc_sync_all+0x30/0x30
[  746.631741]  ? error_entry+0x70/0xd0
[  746.635467]  ? trace_hardirqs_off_caller+0xbb/0x310
[  746.640485]  ? trace_hardirqs_on_caller+0xc0/0x310
[  746.645413]  ? syscall_return_slowpath+0x5e0/0x5e0
[  746.650355]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  746.655198]  ? trace_hardirqs_on_caller+0x310/0x310
[  746.660218]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  746.665674]  ? prepare_exit_to_usermode+0x291/0x3b0
[  746.670688]  ? page_fault+0x8/0x30
[  746.674233]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  746.679088]  ? page_fault+0x8/0x30
[  746.682631]  page_fault+0x1e/0x30
[  746.686092] RIP: 0033:0x45ddf3
[  746.689307] Code: Bad RIP value.
[  746.692670] RSP: 002b:000000c420023ea0 EFLAGS: 00010202
[  746.698029] RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
[  746.705307] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  746.712576] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  746.719844] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  746.727110] R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
[  746.734404] CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304
[  746.734409] warn_alloc_show_mem: 1 callbacks suppressed
[  746.734416] Mem-Info:
[  746.741731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  746.741739] Call Trace:
[  746.747105] active_anon:59588 inactive_anon:187 isolated_anon:0
[  746.747105]  active_file:13 inactive_file:14 isolated_file:0
[  746.747105]  unevictable:0 dirty:0 writeback:0 unstable:0
[  746.747105]  slab_reclaimable:10147 slab_unreclaimable:1445690
[  746.747105]  mapped:49154 shmem:244 pagetables:690 bounce:0
[  746.747105]  free:13773 free_pcp:174 free_cma:0
[  746.749488]  <IRQ>
[  746.758849] Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  746.761434]  dump_stack+0x244/0x39d
[  746.794370] 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
[  746.796516]  ? dump_stack_print_info.cold.1+0x20/0x20
[  746.823985] lowmem_reserve[]: 0 2818 6321 6321
[  746.827617]  warn_alloc.cold.116+0xb7/0x1bd
[  746.853709] Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  746.858908]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  746.863480] lowmem_reserve[]: 0 0 3503 3503
[  746.867799]  ? lock_downgrade+0x900/0x900
[  746.895267] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB free_cma:0kB
[  746.900108]  ? trace_hardirqs_off+0xb8/0x310
[  746.904401] lowmem_reserve[]: 0 0 0 0
[  746.908545]  ? trace_hardirqs_off+0xb8/0x310
[  746.937402] 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
[  746.941808]  __alloc_pages_slowpath+0x2651/0x2de0
[  746.945584] Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
[  746.950006]  ? warn_alloc+0x120/0x120
[  746.963481] Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  746.968368]  ? print_usage_bug+0xc0/0xc0
[  746.984316] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  746.988106]  ? warn_alloc+0x120/0x120
[  747.001748] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  747.005811]  ? warn_alloc+0x120/0x120
[  747.014622] 271 total pagecache pages
[  747.018414]  ? print_usage_bug+0xc0/0xc0
[  747.026981] 0 pages in swap cache
[  747.030762]  ? print_usage_bug+0xc0/0xc0
[  747.034535] Swap cache stats: add 0, delete 0, find 0/0
[  747.038581]  ? __lock_acquire+0x62f/0x4c20
[  747.042007] Free swap  = 0kB
[  747.046091]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  747.051425] Total swap = 0kB
[  747.055649]  ? should_fail+0x22d/0xd01
[  747.058640] 1965979 pages RAM
[  747.064168]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  747.067157] 0 pages HighMem/MovableOnly
[  747.071030]  ? __lock_acquire+0x62f/0x4c20
[  747.074111] 342854 pages reserved
[  747.079204]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  747.083151] 0 pages cma reserved
[  747.087374]  ? __lock_acquire+0x62f/0x4c20
[  747.090858] aoe: skb alloc failure
[  747.095888]  ? should_fail+0x22d/0xd01
[  747.095902]  ? find_held_lock+0x36/0x1c0
[  747.095924]  ? mark_held_locks+0x130/0x130
[  747.099307] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  747.103498]  ? mark_held_locks+0x130/0x130
[  747.107027] syz-fuzzer cpuset=/ mems_allowed=0
[  747.110910]  ? zap_class+0x640/0x640
[  747.141853]  ? zap_class+0x640/0x640
[  747.145561]  ? print_usage_bug+0xc0/0xc0
[  747.149614]  ? do_raw_spin_unlock+0xa7/0x330
[  747.154021]  ? zap_class+0x640/0x640
[  747.157730]  ? print_usage_bug+0xc0/0xc0
[  747.161789]  ? wq_watchdog_touch+0x9c/0xfe
[  747.166024]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  747.171580]  ? check_preemption_disabled+0x48/0x280
[  747.176604]  ? __lock_is_held+0xb5/0x140
[  747.180674]  __alloc_pages_nodemask+0xad8/0xea0
[  747.185348]  ? zap_class+0x640/0x640
[  747.189067]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  747.194097]  ? find_held_lock+0x36/0x1c0
[  747.198171]  ? ____cache_alloc_node+0x1c7/0x1e0
[  747.202842]  ? lock_downgrade+0x900/0x900
[  747.207012]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  747.212550]  cache_grow_begin+0xa5/0x8c0
[  747.216603]  ? do_raw_spin_unlock+0xa7/0x330
[  747.221017]  fallback_alloc+0x204/0x2e0
[  747.225031]  ____cache_alloc_node+0x1c7/0x1e0
[  747.229566]  kmem_cache_alloc_node+0xe3/0x730
[  747.234073]  ? ipv6_get_ifaddr+0x42e/0x620
[  747.238333]  __alloc_skb+0x119/0x770