56kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13988kB
[  341.449632]  ? warn_alloc+0x120/0x120
[  341.454435] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  341.469870]  ? print_usage_bug+0xc0/0xc0
[  341.473654] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  341.482481]  ? warn_alloc+0x120/0x120
[  341.486516] 881 total pagecache pages
[  341.495088]  ? warn_alloc+0x120/0x120
[  341.498871] 0 pages in swap cache
[  341.502656]  ? print_usage_bug+0xc0/0xc0
[  341.506436] Swap cache stats: add 0, delete 0, find 0/0
[  341.509880]  ? print_usage_bug+0xc0/0xc0
[  341.513915] Free swap  = 0kB
[  341.519274]  ? __lock_acquire+0x62f/0x4c20
[  341.523317] Total swap = 0kB
[  341.526333]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  341.530544] 1965979 pages RAM
[  341.533557]  ? should_fail+0x22d/0xd01
[  341.539071] 0 pages HighMem/MovableOnly
[  341.542171]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  341.546028] 342858 pages reserved
[  341.546037] 0 pages cma reserved
[  341.550027]  ? __lock_acquire+0x62f/0x4c20
[  341.555386] syz-fuzzer: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  341.558550]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  341.561895] syz-fuzzer cpuset=/ mems_allowed=0
[  341.566127]  ? __lock_acquire+0x62f/0x4c20
[  341.590199]  ? should_fail+0x22d/0xd01
[  341.594087]  ? find_held_lock+0x36/0x1c0
[  341.598158]  ? mark_held_locks+0x130/0x130
[  341.602398]  ? mark_held_locks+0x130/0x130
[  341.606630]  ? zap_class+0x640/0x640
[  341.610348]  ? zap_class+0x640/0x640
[  341.614064]  ? print_usage_bug+0xc0/0xc0
[  341.618123]  ? do_raw_spin_unlock+0xa7/0x330
[  341.622532]  ? zap_class+0x640/0x640
[  341.626245]  ? print_usage_bug+0xc0/0xc0
[  341.630305]  ? wq_watchdog_touch+0x9c/0xfe
[  341.634548]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.640089]  ? check_preemption_disabled+0x48/0x280
[  341.645113]  ? __lock_is_held+0xb5/0x140
[  341.649182]  __alloc_pages_nodemask+0xa80/0xde0
[  341.653853]  ? zap_class+0x640/0x640
[  341.657573]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  341.662599]  ? find_held_lock+0x36/0x1c0
[  341.666683]  ? ____cache_alloc_node+0x1c7/0x1e0
[  341.671359]  ? lock_downgrade+0x900/0x900
[  341.675514]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.681079]  cache_grow_begin+0xa5/0x8c0
[  341.685148]  ? do_raw_spin_unlock+0xa7/0x330
[  341.689567]  fallback_alloc+0x204/0x2e0
[  341.693564]  ____cache_alloc_node+0x1c7/0x1e0
[  341.698070]  kmem_cache_alloc_node+0xe3/0x730
[  341.702566]  ? ipv6_get_ifaddr+0x42e/0x620
[  341.706815]  __alloc_skb+0x119/0x770
[  341.710527]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  341.715816]  ? netdev_alloc_frag+0x1f0/0x1f0
[  341.720229]  ? lock_downgrade+0x900/0x900
[  341.724391]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.729932]  ? refcount_sub_and_test_checked+0x203/0x310
[  341.735385]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  341.740842]  ? addrconf_rs_timer+0x690/0x690
[  341.745261]  ndisc_alloc_skb+0x144/0x340
[  341.749328]  ndisc_send_rs+0x331/0x6e0
[  341.753225]  addrconf_rs_timer+0x314/0x690
[  341.757464]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  341.761725]  call_timer_fn+0x272/0x920
[  341.765610]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  341.769848]  ? process_timeout+0x40/0x40
[  341.774400]  ? __run_timers+0x7da/0xc70
[  341.778378]  ? _raw_spin_unlock_irq+0x27/0x80
[  341.782873]  ? _raw_spin_unlock_irq+0x27/0x80
[  341.787369]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  341.791608]  ? lockdep_hardirqs_on+0x296/0x5b0
[  341.796197]  ? trace_hardirqs_on+0xbd/0x310
[  341.800521]  ? kasan_check_read+0x11/0x20
[  341.804666]  ? __run_timers+0x7da/0xc70
[  341.808663]  ? trace_hardirqs_off_caller+0x310/0x310
[  341.813788]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  341.818030]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  341.822268]  __run_timers+0x7e5/0xc70
[  341.826080]  ? timer_fixup_init+0x70/0x70
[  341.830233]  ? kasan_check_read+0x11/0x20
[  341.834383]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  341.839662]  ? rcu_softirq_qs+0x20/0x20
[  341.843657]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.849208]  ? check_preemption_disabled+0x48/0x280
[  341.854235]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  341.858997]  ? retint_kernel+0x2d/0x2d
[  341.862888]  ? trace_hardirqs_on_caller+0xc0/0x310
[  341.867822]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  341.872581]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  341.878032]  ? zap_class+0x640/0x640
[  341.881756]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.887301]  ? check_preemption_disabled+0x48/0x280
[  341.892330]  ? __lock_is_held+0xb5/0x140
[  341.896390]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.902077]  ? check_preemption_disabled+0x48/0x280
[  341.907091]  run_timer_softirq+0x52/0xb0
[  341.911153]  ? rcu_read_lock_sched_held+0x14f/0x180
[  341.916170]  __do_softirq+0x308/0xb7e
[  341.919978]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  341.924476]  ? lock_downgrade+0x900/0x900
[  341.928627]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  341.933738]  ? pvclock_read_flags+0x160/0x160
[  341.938235]  ? lapic_next_event+0x5a/0x90
[  341.942389]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.947934]  ? kvm_clock_read+0x18/0x30
[  341.951912]  ? kvm_sched_clock_read+0x9/0x20
[  341.956325]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.961869]  ? check_preemption_disabled+0x48/0x280
[  341.966898]  irq_exit+0x17f/0x1c0
[  341.970360]  smp_apic_timer_interrupt+0x1cb/0x760
[  341.975206]  ? smp_reschedule_interrupt+0x109/0x650
[  341.980229]  ? smp_call_function_single_interrupt+0x650/0x650
[  341.986118]  ? interrupt_entry+0xb5/0xc0
[  341.990185]  ? trace_hardirqs_off_caller+0xbb/0x310
[  341.995199]  ? trace_hardirqs_off_caller+0xbb/0x310
[  342.000216]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  342.005059]  ? trace_hardirqs_on_caller+0x310/0x310
[  342.010075]  ? trace_hardirqs_on_caller+0x310/0x310
[  342.015091]  ? task_prio+0x50/0x50
[  342.018633]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.024170]  ? check_preemption_disabled+0x48/0x280
[  342.029198]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  342.034067]  apic_timer_interrupt+0xf/0x20
[  342.038292]  </IRQ>
[  342.040531] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  342.045467] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 14
[  342.064371] RSP: 0000:ffff8801bf14f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  342.072076] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  342.079347] RDX: 0000000000000000 RSI: ffff8801b68a4c40 RDI: 0000000000000286
[  342.086613] RBP: ffff8801bf14f7a0 R08: ffff8801b68a43c0 R09: 0000000000000000
[  342.093879] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  342.101150] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  342.108462]  skb_clone+0x1bb/0x500
[  342.112004]  ? finish_task_switch+0x2f4/0x910
[  342.116500]  ? skb_split+0x11e0/0x11e0
[  342.120393]  ? preempt_notifier_register+0x200/0x200
[  342.125498]  ? __switch_to_asm+0x34/0x70
[  342.129557]  ? __switch_to_asm+0x34/0x70
[  342.133619]  ? __switch_to_asm+0x40/0x70
[  342.137694]  ? __switch_to_asm+0x34/0x70
[  342.141755]  ? __switch_to_asm+0x40/0x70
[  342.145814]  ? __switch_to_asm+0x34/0x70
[  342.149879]  ? __switch_to_asm+0x40/0x70
[  342.153943]  ? __switch_to_asm+0x34/0x70
[  342.158012]  ? __switch_to_asm+0x34/0x70
[  342.162071]  ? __switch_to_asm+0x40/0x70
[  342.166133]  ? __switch_to_asm+0x34/0x70
[  342.170203]  bpf_clone_redirect+0xb9/0x490
[  342.174437]  ? __schedule+0x8d7/0x21d0
[  342.178331]  bpf_prog_bebbfe2050753572+0x6c2/0x1000
[  342.183351]  ? __sched_text_start+0x8/0x8
[  342.187513]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  342.192277]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  342.196858]  ? retint_kernel+0x2d/0x2d
[  342.200751]  ? find_held_lock+0x36/0x1c0
[  342.204823]  ? lock_acquire+0x1ed/0x520
[  342.208796]  ? bpf_test_run+0x3cb/0x780
[  342.212775]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.218319]  ? check_preemption_disabled+0x48/0x280
[  342.223346]  ? kasan_check_read+0x11/0x20
[  342.227497]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  342.232774]  ? rcu_softirq_qs+0x20/0x20
[  342.236750]  ? preempt_schedule+0x4d/0x60
[  342.240902]  ? ___preempt_schedule+0x16/0x18
[  342.245318]  ? bpf_test_run+0x25d/0x780
[  342.249304]  ? netlink_diag_dump+0x2a0/0x2a0
[  342.253728]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  342.259267]  ? bpf_test_init.isra.10+0x70/0x100
[  342.263941]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  342.268717]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  342.273560]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  342.279100]  ? fput+0x130/0x1a0
[  342.282382]  ? __bpf_prog_get+0x9b/0x290
[  342.286447]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  342.291299]  ? bpf_prog_test_run+0x130/0x1a0
[  342.295722]  ? __x64_sys_bpf+0x3d8/0x520
[  342.299788]  ? bpf_prog_get+0x20/0x20
[  342.303610]  ? do_syscall_64+0x1b9/0x820
[  342.307681]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  342.313071]  ? syscall_return_slowpath+0x5e0/0x5e0
[  342.318007]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  342.322857]  ? trace_hardirqs_on_caller+0x310/0x310
[  342.327874]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  342.332894]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.338434]  ? prepare_exit_to_usermode+0x291/0x3b0
[  342.343462]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  342.348314]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  342.353711] CPU: 1 PID: 5666 Comm: syz-fuzzer Not tainted 4.19.0+ #74
[  342.353780] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  342.360294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  342.360303] Call Trace:
[  342.366961] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  342.376128]  <IRQ>
[  342.378709] syz-executor5 cpuset=syz5 mems_allowed=0
[  342.389196]  dump_stack+0x244/0x39d
[  342.400031]  ? dump_stack_print_info.cold.1+0x20/0x20
[  342.405236]  warn_alloc.cold.116+0xb7/0x1bd
[  342.409561]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  342.414412]  ? lock_downgrade+0x900/0x900
[  342.418572]  ? trace_hardirqs_off+0xb8/0x310
[  342.422991]  ? trace_hardirqs_off+0xb8/0x310
[  342.427413]  __alloc_pages_slowpath+0x26e8/0x2e10
[  342.432293]  ? warn_alloc+0x120/0x120
[  342.436101]  ? warn_alloc+0x120/0x120
[  342.439906]  ? warn_alloc+0x120/0x120
[  342.443713]  ? print_usage_bug+0xc0/0xc0
[  342.447779]  ? print_usage_bug+0xc0/0xc0
[  342.451843]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  342.457042]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  342.462578]  ? should_fail+0x22d/0xd01
[  342.466472]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  342.471578]  ? __lock_acquire+0x62f/0x4c20
[  342.475821]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  342.480922]  ? __lock_acquire+0x62f/0x4c20
[  342.485158]  ? should_fail+0x22d/0xd01
[  342.489067]  ? mark_held_locks+0x130/0x130
[  342.493307]  ? mark_held_locks+0x130/0x130
[  342.497541]  ? zap_class+0x640/0x640
[  342.501262]  ? zap_class+0x640/0x640
[  342.504986]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.510530]  ? check_preemption_disabled+0x48/0x280
[  342.515558]  ? __lock_is_held+0xb5/0x140
[  342.519628]  __alloc_pages_nodemask+0xa80/0xde0
[  342.524297]  ? zap_class+0x640/0x640
[  342.528020]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  342.533047]  ? find_held_lock+0x36/0x1c0
[  342.537124]  ? ____cache_alloc_node+0x1c7/0x1e0
[  342.542227]  ? lock_downgrade+0x900/0x900
[  342.546388]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.551931]  cache_grow_begin+0xa5/0x8c0
[  342.555992]  ? do_raw_spin_unlock+0xa7/0x330
[  342.560407]  fallback_alloc+0x204/0x2e0
[  342.564390]  ____cache_alloc_node+0x1c7/0x1e0
[  342.568890]  __kmalloc+0x213/0x760
[  342.572436]  ? __neigh_create+0x30b/0x2130
[  342.576686]  __neigh_create+0x30b/0x2130
[  342.580752]  ? __local_bh_enable_ip+0x160/0x260
[  342.585430]  ? __local_bh_enable_ip+0x160/0x260
[  342.590112]  ? mark_held_locks+0x130/0x130
[  342.594350]  ? __local_bh_enable_ip+0x160/0x260
[  342.599023]  ? neigh_hash_alloc+0x1e0/0x1e0
[  342.603344]  ? zap_class+0x640/0x640
[  342.607058]  ? trace_hardirqs_on+0xbd/0x310
[  342.611377]  ? mark_held_locks+0xc7/0x130
[  342.615525]  ? ip6t_do_table+0xd9e/0x1d30
[  342.619683]  ? trace_hardirqs_off_caller+0x310/0x310
[  342.624789]  ? __local_bh_enable_ip+0x160/0x260
[  342.629463]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.635013]  ? lock_acquire+0x1ed/0x520
[  342.638998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.644539]  ? check_preemption_disabled+0x48/0x280
[  342.649565]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  342.655105]  ? rcu_pm_notify+0xc0/0xc0
[  342.658995]  ? zap_class+0x640/0x640
[  342.662710]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  342.667916]  ip6_finish_output2+0xa59/0x27a0
[  342.672340]  ? ip6_copy_metadata+0xe30/0xe30
[  342.676759]  ? ip6_mtu+0x39c/0x520
[  342.680306]  ? lock_downgrade+0x900/0x900
[  342.684454]  ? check_preemption_disabled+0x48/0x280
[  342.689474]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  342.694407]  ? kasan_check_read+0x11/0x20
[  342.698560]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  342.703840]  ? rcu_softirq_qs+0x20/0x20
[  342.707828]  ? ip6_mtu+0x160/0x520
[  342.711374]  ? find_match+0x10a0/0x10a0
[  342.715355]  ? kasan_check_read+0x11/0x20
[  342.719510]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  342.724795]  ip6_finish_output+0x58c/0xc60
[  342.729032]  ? ip6_finish_output+0x58c/0xc60
[  342.733450]  ip6_output+0x232/0x9d0
[  342.737092]  ? ip6_finish_output+0xc60/0xc60
[  342.741505]  ? ip6_fragment+0x38e0/0x38e0
[  342.745658]  ? __lock_is_held+0xb5/0x140
[  342.749740]  ndisc_send_skb+0x1005/0x1570
[  342.753898]  ? nf_hook.constprop.33+0x860/0x860
[  342.758579]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.764123]  ? refcount_sub_and_test_checked+0x203/0x310
[  342.769583]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  342.775051]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.780595]  ndisc_send_rs+0x134/0x6e0
[  342.784488]  addrconf_rs_timer+0x314/0x690
[  342.788729]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  342.792979]  call_timer_fn+0x272/0x920
[  342.796868]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  342.801102]  ? process_timeout+0x40/0x40
[  342.805178]  ? mark_held_locks+0xc7/0x130
[  342.809352]  ? _raw_spin_unlock_irq+0x27/0x80
[  342.813850]  ? _raw_spin_unlock_irq+0x27/0x80
[  342.818346]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  342.822606]  ? lockdep_hardirqs_on+0x296/0x5b0
[  342.827199]  ? trace_hardirqs_on+0xbd/0x310
[  342.831529]  ? kasan_check_read+0x11/0x20
[  342.835685]  ? __run_timers+0x7da/0xc70
[  342.839668]  ? trace_hardirqs_off_caller+0x310/0x310
[  342.844803]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  342.849045]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  342.853285]  __run_timers+0x7e5/0xc70
[  342.857100]  ? timer_fixup_init+0x70/0x70
[  342.861253]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  342.866272]  ? zap_class+0x640/0x640
[  342.869997]  ? print_usage_bug+0xc0/0xc0
[  342.874065]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  342.879263]  ? find_held_lock+0x36/0x1c0
[  342.883333]  ? zap_class+0x640/0x640
[  342.887057]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.892598]  ? check_preemption_disabled+0x48/0x280
[  342.897623]  ? __lock_is_held+0xb5/0x140
[  342.901693]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.907235]  ? check_preemption_disabled+0x48/0x280
[  342.912257]  run_timer_softirq+0x52/0xb0
[  342.916318]  ? rcu_read_lock_sched_held+0x14f/0x180
[  342.921333]  __do_softirq+0x308/0xb7e
[  342.925138]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  342.929634]  ? lock_downgrade+0x900/0x900
[  342.933791]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  342.938904]  ? pvclock_read_flags+0x160/0x160
[  342.943406]  ? lapic_next_event+0x5a/0x90
[  342.947556]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.953103]  ? kvm_clock_read+0x18/0x30
[  342.957099]  ? kvm_sched_clock_read+0x9/0x20
[  342.961525]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  342.967068]  ? check_preemption_disabled+0x48/0x280
[  342.972094]  irq_exit+0x17f/0x1c0
[  342.975557]  smp_apic_timer_interrupt+0x1cb/0x760
[  342.980403]  ? smp_reschedule_interrupt+0x109/0x650
[  342.985424]  ? smp_call_function_single_interrupt+0x650/0x650
[  342.991312]  ? interrupt_entry+0xb5/0xc0
[  342.995376]  ? trace_hardirqs_off_caller+0xbb/0x310
[  343.000392]  ? trace_hardirqs_off_caller+0xbb/0x310
[  343.005410]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  343.010254]  ? trace_hardirqs_on_caller+0x310/0x310
[  343.015269]  ? trace_hardirqs_on_caller+0x310/0x310
[  343.020303]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  343.025163]  apic_timer_interrupt+0xf/0x20
[  343.029399]  </IRQ>
[  343.031636] RIP: 0010:dump_stack+0x358/0x39d
[  343.036044] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 a1 9c fd f9 48 83 3d 29 00 8d 01 00 0f 84 63 fe ff ff e8 ee 69 ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db 69 ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  343.054950] RSP: 0000:ffff8801b9cce1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  343.062659] RAX: ffff8801d71b2040 RBX: 1ffffffff12a3f46 RCX: 1ffff1003ae36526
[  343.069940] RDX: 0000000000000000 RSI: ffffffff87c4fa12 RDI: 0000000000000293
[  343.077211] RBP: ffff8801b9cce290 R08: ffff8801d71b2930 R09: 0000000000000006
[  343.084484] R10: 0000000000000000 R11: ffff8801d71b2040 R12: 1ffff10037399c45
[  343.091763] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  343.099066]  ? dump_stack+0x34f/0x39d
[  343.102883]  ? dump_stack_print_info.cold.1+0x20/0x20
[  343.108078]  ? mark_held_locks+0x130/0x130
[  343.112316]  ? mark_held_locks+0x130/0x130
[  343.116560]  dump_header+0x27b/0xf72
[  343.120315]  ? pagefault_out_of_memory+0x197/0x197
[  343.125258]  ? __lock_acquire+0x62f/0x4c20
[  343.129495]  ? percpu_ref_get_many+0x240/0x240
[  343.134084]  ? print_usage_bug+0xc0/0xc0
[  343.138156]  ? zap_class+0x640/0x640
[  343.141880]  ? print_usage_bug+0xc0/0xc0
[  343.145939]  ? print_usage_bug+0xc0/0xc0
[  343.150003]  ? zap_class+0x640/0x640
[  343.153736]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.159279]  ? find_held_lock+0x36/0x1c0
[  343.163350]  ? mark_held_locks+0xc7/0x130
[  343.167505]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  343.172609]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  343.177711]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  343.182299]  ? trace_hardirqs_on+0xbd/0x310
[  343.186623]  ? kasan_check_read+0x11/0x20
[  343.190773]  ? ___ratelimit+0x3b4/0x672
[  343.194765]  ? trace_hardirqs_off_caller+0x310/0x310
[  343.199871]  ? trace_hardirqs_on+0x310/0x310
[  343.204281]  ? lock_downgrade+0x900/0x900
[  343.208440]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  343.213549]  ? ___ratelimit+0x3b9/0x672
[  343.217533]  ? idr_get_free+0xf80/0xf80
[  343.221518]  ? find_held_lock+0x36/0x1c0
[  343.225596]  oom_kill_process.cold.27+0x10/0x903
[  343.230355]  ? zap_class+0x640/0x640
[  343.234070]  ? check_preemption_disabled+0x48/0x280
[  343.239095]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  343.244034]  ? kasan_check_read+0x11/0x20
[  343.248182]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  343.253470]  ? oom_evaluate_task+0x540/0x540
[  343.257888]  ? find_held_lock+0x36/0x1c0
[  343.261958]  ? out_of_memory+0x974/0x1430
[  343.266111]  ? lock_downgrade+0x900/0x900
[  343.270260]  ? check_preemption_disabled+0x48/0x280
[  343.275282]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  343.280213]  ? kasan_check_read+0x11/0x20
[  343.284411]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  343.289700]  ? rcu_softirq_qs+0x20/0x20
[  343.293692]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.299232]  ? oom_evaluate_task+0x302/0x540
[  343.303644]  out_of_memory+0xa84/0x1430
[  343.307635]  ? oom_killer_disable+0x3a0/0x3a0
[  343.312135]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  343.317068]  ? __ww_mutex_check_waiters+0x160/0x160
[  343.322104]  __alloc_pages_slowpath+0x2354/0x2e10
[  343.326979]  ? warn_alloc+0x120/0x120
[  343.330779]  ? mark_held_locks+0x130/0x130
[  343.335024]  ? find_get_entry+0xaae/0x1120
[  343.339272]  ? filemap_map_pages+0x1a20/0x1a20
[  343.343860]  ? zap_class+0x640/0x640
[  343.347582]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.353126]  ? check_preemption_disabled+0x48/0x280
[  343.358146]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.363695]  ? should_fail+0x22d/0xd01
[  343.367611]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  343.372721]  ? zap_class+0x640/0x640
[  343.376463]  ? __lock_is_held+0xb5/0x140
[  343.380533]  ? mark_held_locks+0x130/0x130
[  343.384780]  ? lock_release+0xa00/0xa00
[  343.388763]  ? perf_trace_sched_process_exec+0x860/0x860
[  343.394221]  ? xa_load+0x2ba/0x460
[  343.397769]  ? lock_downgrade+0x900/0x900
[  343.401927]  ? __might_sleep+0x95/0x190
[  343.405910]  __alloc_pages_nodemask+0xa80/0xde0
[  343.411092]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  343.416118]  ? __page_cache_alloc+0x191/0x5c0
[  343.420612]  ? xa_load+0x2e1/0x460
[  343.424152]  ? xa_clear_mark+0x40/0x40
[  343.428047]  ? zap_class+0x640/0x640
[  343.431773]  ? zap_class+0x640/0x640
[  343.435490]  ? zap_class+0x640/0x640
[  343.439208]  ? __do_page_cache_readahead+0x663/0x810
[  343.444321]  ? find_held_lock+0x36/0x1c0
[  343.448392]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  343.453938]  alloc_pages_current+0x173/0x350
[  343.458358]  __page_cache_alloc+0x38c/0x5c0
[  343.462687]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  343.467619]  ? kasan_check_read+0x11/0x20
[  343.471769]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  343.477050]  ? generic_perform_write+0x6a0/0x6a0
[  343.481809]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.487352]  ? check_preemption_disabled+0x48/0x280
[  343.492382]  filemap_fault+0x1595/0x25f0
[  343.496457]  ? __lock_page_or_retry+0xa00/0xa00
[  343.501135]  ? mark_held_locks+0x130/0x130
[  343.505383]  ? filemap_map_pages+0xd6b/0x1a20
[  343.509880]  ? lock_downgrade+0x900/0x900
[  343.514031]  ? check_preemption_disabled+0x48/0x280
[  343.519049]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  343.523978]  ? kasan_check_read+0x11/0x20
[  343.528123]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  343.533404]  ? rcu_softirq_qs+0x20/0x20
[  343.537397]  ? filemap_map_pages+0xd92/0x1a20
[  343.541898]  ? __lock_acquire+0x62f/0x4c20
[  343.546142]  ? find_get_entries_tag+0x1400/0x1400
[  343.551011]  ? lock_acquire+0x1ed/0x520
[  343.554988]  ? ext4_filemap_fault+0x7a/0xad
[  343.559319]  ? lock_release+0xa00/0xa00
[  343.563314]  ? perf_trace_sched_process_exec+0x860/0x860
[  343.568768]  ? print_usage_bug+0xc0/0xc0
[  343.572831]  ? print_usage_bug+0xc0/0xc0
[  343.576909]  ? down_read+0x8d/0x120
[  343.580533]  ? ext4_filemap_fault+0x7a/0xad
[  343.584860]  ? __down_interruptible+0x700/0x700
[  343.589543]  ext4_filemap_fault+0x82/0xad
[  343.593701]  __do_fault+0x100/0x6b0
[  343.597338]  ? pmd_devmap_trans_unstable+0x220/0x220
[  343.602452]  ? mark_held_locks+0x130/0x130
[  343.606698]  ? mark_held_locks+0x130/0x130
[  343.610935]  ? __might_fault+0x12b/0x1e0
[  343.615001]  ? lock_downgrade+0x900/0x900
[  343.619156]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.624709]  __handle_mm_fault+0x3ea6/0x5be0
[  343.629133]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  343.633984]  ? kasan_check_read+0x11/0x20
[  343.638131]  ? _copy_to_user+0xc8/0x110
[  343.642112]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.647661]  ? zap_class+0x640/0x640
[  343.651391]  ? zap_class+0x640/0x640
[  343.655113]  ? find_held_lock+0x36/0x1c0
[  343.659190]  ? handle_mm_fault+0x42a/0xc70
[  343.663426]  ? lock_downgrade+0x900/0x900
[  343.667576]  ? check_preemption_disabled+0x48/0x280
[  343.672692]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  343.677627]  ? kasan_check_read+0x11/0x20
[  343.681777]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  343.687055]  ? rcu_softirq_qs+0x20/0x20
[  343.691030]  ? trace_hardirqs_off_caller+0x310/0x310
[  343.696134]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.701672]  ? check_preemption_disabled+0x48/0x280
[  343.706716]  handle_mm_fault+0x54f/0xc70
[  343.710783]  ? __handle_mm_fault+0x5be0/0x5be0
[  343.715371]  ? find_vma+0x34/0x190
[  343.718938]  __do_page_fault+0x5e8/0xe60
[  343.722999]  ? trace_hardirqs_off+0xb8/0x310
[  343.727408]  ? retint_kernel+0x2d/0x2d
[  343.731306]  do_page_fault+0xf2/0x7e0
[  343.735113]  ? vmalloc_sync_all+0x30/0x30
[  343.739266]  ? error_entry+0x70/0xd0
[  343.742986]  ? trace_hardirqs_off_caller+0xbb/0x310
[  343.748004]  ? trace_hardirqs_on_caller+0xc0/0x310
[  343.752932]  ? syscall_return_slowpath+0x5e0/0x5e0
[  343.757862]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  343.762716]  ? trace_hardirqs_on_caller+0x310/0x310
[  343.767735]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  343.773485]  ? prepare_exit_to_usermode+0x291/0x3b0
[  343.778503]  ? page_fault+0x8/0x30
[  343.782048]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  343.786899]  ? page_fault+0x8/0x30
[  343.790447]  page_fault+0x1e/0x30
[  343.793896] RIP: 0033:0x45d911
[  343.797098] Code: Bad RIP value.
[  343.800458] RSP: 002b:000000c420035f18 EFLAGS: 00010246
[  343.805818] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 000000000045d911
[  343.813090] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  343.820360] RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
[  343.827629] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  343.834902] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  343.842208] CPU: 0 PID: 11721 Comm: syz-executor5 Not tainted 4.19.0+ #74
[  343.842214] warn_alloc_show_mem: 1 callbacks suppressed
[  343.842222] Mem-Info:
[  343.849140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  343.849149] Call Trace:
[  343.854522] active_anon:50643 inactive_anon:847 isolated_anon:0
[  343.854522]  active_file:14 inactive_file:13 isolated_file:0
[  343.854522]  unevictable:0 dirty:0 writeback:0 unstable:0
[  343.854522]  slab_reclaimable:9230 slab_unreclaimable:1469886
[  343.854522]  mapped:49154 shmem:854 pagetables:629 bounce:0
[  343.854522]  free:13794 free_pcp:158 free_cma:0
[  343.856914]  <IRQ>
[  343.866277] Node 0 active_anon:202572kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3416kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  343.868863]  dump_stack+0x244/0x39d
[  343.902232] 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
[  343.904395]  ? dump_stack_print_info.cold.1+0x20/0x20
[  343.932050] lowmem_reserve[]: 0 2818 6321 6321
[  343.935698]  warn_alloc.cold.116+0xb7/0x1bd
[  343.961778] Node 0 DMA32 free:25280kB min:30052kB low:37564kB high:45076kB active_anon:236kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  343.966963]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  343.971516] lowmem_reserve[]: 0 0 3503 3503
[  343.975837]  ? lock_downgrade+0x900/0x900
[  344.003314] Node 0 Normal free:13988kB min:37364kB low:46704kB high:56044kB active_anon:202336kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:412kB local_pcp:252kB free_cma:0kB
[  344.008157]  ? trace_hardirqs_off+0xb8/0x310
[  344.012444] lowmem_reserve[]: 0 0 0 0
[  344.016588]  ? trace_hardirqs_off+0xb8/0x310
[  344.045538] 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
[  344.049950]  __alloc_pages_slowpath+0x26e8/0x2e10
[  344.053722] Node 0 DMA32: 2*4kB (H) 3*8kB (UMH) 2*16kB (M) 2*32kB (MH) 5*64kB (MH) 4*128kB (M) 5*256kB (MH) 5*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 25280kB
[  344.058146]  ? warn_alloc+0x120/0x120
[  344.071622] Node 0 Normal: 737*4kB (UMEH) 442*8kB (UME) 213*16kB (UME) 70*32kB (UME) 7*64kB (UMH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13988kB
[  344.076459]  ? print_usage_bug+0xc0/0xc0
[  344.091874] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  344.095669]  ? warn_alloc+0x120/0x120
[  344.111003] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  344.115060]  ? warn_alloc+0x120/0x120
[  344.123867] 881 total pagecache pages
[  344.127661]  ? print_usage_bug+0xc0/0xc0
[  344.136230] 0 pages in swap cache
[  344.140018]  ? kvm_clock_read+0x18/0x30
[  344.143795] Swap cache stats: add 0, delete 0, find 0/0
[  344.147850]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  344.151277] Free swap  = 0kB
[  344.155244]  ? print_usage_bug+0xc0/0xc0
[  344.160582] Total swap = 0kB
[  344.165604]  ? __lock_acquire+0x62f/0x4c20
[  344.168601] 1965979 pages RAM
[  344.172655]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  344.175645] 0 pages HighMem/MovableOnly
[  344.175653] 342858 pages reserved
[  344.179891]  ? should_fail+0x22d/0xd01
[  344.182972] 0 pages cma reserved
[  344.188503]  ? __lock_acquire+0x62f/0x4c20
[  344.192830] syz-fuzzer: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  344.195902]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  344.199766] syz-fuzzer cpuset=/ mems_allowed=0
[  344.203127]  ? __lock_acquire+0x62f/0x4c20
[  344.231427]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  344.236533]  ? __lock_acquire+0x62f/0x4c20
[  344.240767]  ? should_fail+0x22d/0xd01
[  344.244667]  ? mark_held_locks+0x130/0x130
[  344.248923]  ? mark_held_locks+0x130/0x130
[  344.253170]  ? zap_class+0x640/0x640
[  344.256886]  ? print_usage_bug+0xc0/0xc0
[  344.260952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.266491]  ? check_preemption_disabled+0x48/0x280
[  344.271520]  ? __lock_is_held+0xb5/0x140
[  344.275589]  __alloc_pages_nodemask+0xa80/0xde0
[  344.280258]  ? zap_class+0x640/0x640
[  344.283981]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  344.289013]  ? find_held_lock+0x36/0x1c0
[  344.293090]  ? ____cache_alloc_node+0x1c7/0x1e0
[  344.297785]  ? lock_downgrade+0x900/0x900
[  344.301943]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.307486]  cache_grow_begin+0xa5/0x8c0
[  344.311549]  ? do_raw_spin_unlock+0xa7/0x330
[  344.315965]  fallback_alloc+0x204/0x2e0
[  344.319950]  ____cache_alloc_node+0x1c7/0x1e0
[  344.324452]  kmem_cache_alloc_node+0xe3/0x730
[  344.328947]  ? ipv6_get_ifaddr+0x42e/0x620
[  344.333191]  __alloc_skb+0x119/0x770
[  344.336904]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  344.342186]  ? netdev_alloc_frag+0x1f0/0x1f0
[  344.346605]  ? lock_downgrade+0x900/0x900
[  344.350765]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.356307]  ? refcount_sub_and_test_checked+0x203/0x310
[  344.361766]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  344.367223]  ? addrconf_rs_timer+0x690/0x690
[  344.371647]  ndisc_alloc_skb+0x144/0x340
[  344.375755]  ndisc_send_rs+0x331/0x6e0
[  344.379651]  addrconf_rs_timer+0x314/0x690
[  344.383910]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  344.388156]  call_timer_fn+0x272/0x920
[  344.392042]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  344.396277]  ? process_timeout+0x40/0x40
[  344.400351]  ? __run_timers+0x7da/0xc70
[  344.404336]  ? _raw_spin_unlock_irq+0x27/0x80
[  344.408838]  ? _raw_spin_unlock_irq+0x27/0x80
[  344.413334]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  344.417573]  ? lockdep_hardirqs_on+0x296/0x5b0
[  344.422157]  ? trace_hardirqs_on+0xbd/0x310
[  344.426480]  ? kasan_check_read+0x11/0x20
[  344.430630]  ? __run_timers+0x7da/0xc70
[  344.434604]  ? trace_hardirqs_off_caller+0x310/0x310
[  344.439733]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  344.443964]  __run_timers+0x7e5/0xc70
[  344.447777]  ? timer_fixup_init+0x70/0x70
[  344.451927]  ? kasan_check_read+0x11/0x20
[  344.456076]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  344.461352]  ? rcu_softirq_qs+0x20/0x20
[  344.465330]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.470870]  ? check_preemption_disabled+0x48/0x280
[  344.475893]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  344.480654]  ? retint_kernel+0x2d/0x2d
[  344.484558]  ? trace_hardirqs_on_caller+0xc0/0x310
[  344.489488]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  344.494249]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  344.499712]  ? zap_class+0x640/0x640
[  344.503432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.508974]  ? check_preemption_disabled+0x48/0x280
[  344.514001]  ? __lock_is_held+0xb5/0x140
[  344.518065]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.523605]  ? check_preemption_disabled+0x48/0x280
[  344.528625]  run_timer_softirq+0x52/0xb0
[  344.532705]  ? rcu_read_lock_sched_held+0x14f/0x180
[  344.537728]  __do_softirq+0x308/0xb7e
[  344.541531]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  344.546025]  ? lock_downgrade+0x900/0x900
[  344.550179]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  344.555290]  ? pvclock_read_flags+0x160/0x160
[  344.559787]  ? lapic_next_event+0x5a/0x90
[  344.563942]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.569491]  ? kvm_clock_read+0x18/0x30
[  344.573464]  ? kvm_sched_clock_read+0x9/0x20
[  344.577875]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.583417]  ? check_preemption_disabled+0x48/0x280
[  344.588451]  irq_exit+0x17f/0x1c0
[  344.591913]  smp_apic_timer_interrupt+0x1cb/0x760
[  344.596764]  ? smp_reschedule_interrupt+0x109/0x650
[  344.601786]  ? smp_call_function_single_interrupt+0x650/0x650
[  344.607670]  ? interrupt_entry+0xb5/0xc0
[  344.611752]  ? trace_hardirqs_off_caller+0xbb/0x310
[  344.616770]  ? trace_hardirqs_off_caller+0xbb/0x310
[  344.621790]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  344.626637]  ? trace_hardirqs_on_caller+0x310/0x310
[  344.631657]  ? trace_hardirqs_on_caller+0x310/0x310
[  344.636699]  ? task_prio+0x50/0x50
[  344.640250]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.645792]  ? check_preemption_disabled+0x48/0x280
[  344.650819]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  344.655690]  apic_timer_interrupt+0xf/0x20
[  344.659921]  </IRQ>
[  344.662160] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  344.667094] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 14
[  344.685996] RSP: 0000:ffff8801bf14f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  344.693713] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  344.700980] RDX: 0000000000000000 RSI: ffff8801b68a4c40 RDI: 0000000000000286
[  344.708252] RBP: ffff8801bf14f7a0 R08: ffff8801b68a43c0 R09: 0000000000000000
[  344.715521] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  344.722791] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  344.730103]  skb_clone+0x1bb/0x500
[  344.733647]  ? finish_task_switch+0x2f4/0x910
[  344.738154]  ? skb_split+0x11e0/0x11e0
[  344.742043]  ? preempt_notifier_register+0x200/0x200
[  344.747150]  ? __switch_to_asm+0x34/0x70
[  344.751213]  ? __switch_to_asm+0x34/0x70
[  344.755273]  ? __switch_to_asm+0x40/0x70
[  344.759332]  ? __switch_to_asm+0x34/0x70
[  344.763395]  ? __switch_to_asm+0x40/0x70
[  344.767453]  ? __switch_to_asm+0x34/0x70
[  344.771953]  ? __switch_to_asm+0x40/0x70
[  344.776014]  ? __switch_to_asm+0x34/0x70
[  344.780080]  ? __switch_to_asm+0x34/0x70
[  344.784144]  ? __switch_to_asm+0x40/0x70
[  344.788209]  ? __switch_to_asm+0x34/0x70
[  344.792283]  bpf_clone_redirect+0xb9/0x490
[  344.796523]  ? __schedule+0x8d7/0x21d0
[  344.800423]  bpf_prog_bebbfe2050753572+0x6c2/0x1000
[  344.805445]  ? __sched_text_start+0x8/0x8
[  344.809596]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  344.814371]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  344.818960]  ? retint_kernel+0x2d/0x2d
[  344.822859]  ? find_held_lock+0x36/0x1c0
[  344.826932]  ? lock_acquire+0x1ed/0x520
[  344.830910]  ? bpf_test_run+0x3cb/0x780
[  344.834887]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.840430]  ? check_preemption_disabled+0x48/0x280
[  344.845452]  ? kasan_check_read+0x11/0x20
[  344.849603]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  344.854878]  ? rcu_softirq_qs+0x20/0x20
[  344.858855]  ? preempt_schedule+0x4d/0x60
[  344.863005]  ? ___preempt_schedule+0x16/0x18
[  344.867425]  ? bpf_test_run+0x25d/0x780
[  344.871409]  ? netlink_diag_dump+0x2a0/0x2a0
[  344.875820]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  344.881359]  ? bpf_test_init.isra.10+0x70/0x100
[  344.886036]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  344.890803]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  344.895652]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  344.901208]  ? fput+0x130/0x1a0
[  344.904492]  ? __bpf_prog_get+0x9b/0x290
[  344.908555]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  344.913399]  ? bpf_prog_test_run+0x130/0x1a0
[  344.917811]  ? __x64_sys_bpf+0x3d8/0x520
[  344.921873]  ? bpf_prog_get+0x20/0x20
[  344.925707]  ? do_syscall_64+0x1b9/0x820
[  344.929774]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  344.935140]  ? syscall_return_slowpath+0x5e0/0x5e0
[  344.940070]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  344.944914]  ? trace_hardirqs_on_caller+0x310/0x310
[  344.949935]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  344.954952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.960490]  ? prepare_exit_to_usermode+0x291/0x3b0
[  344.965514]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  344.970366]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  344.975749] CPU: 1 PID: 5666 Comm: syz-fuzzer Not tainted 4.19.0+ #74
[  344.975836] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  344.982326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  344.982332] Call Trace:
[  344.982339]  <IRQ>
[  344.982356]  dump_stack+0x244/0x39d
[  344.982374]  ? dump_stack_print_info.cold.1+0x20/0x20
[  344.988900] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  344.998209]  warn_alloc.cold.116+0xb7/0x1bd
[  345.000759] syz-executor5 cpuset=syz5 mems_allowed=0
[  345.002901]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  345.036395]  ? lock_downgrade+0x900/0x900
[  345.040556]  ? trace_hardirqs_off+0xb8/0x310
[  345.044972]  ? trace_hardirqs_off+0xb8/0x310
[  345.049392]  __alloc_pages_slowpath+0x26e8/0x2e10
[  345.054266]  ? warn_alloc+0x120/0x120
[  345.058076]  ? warn_alloc+0x120/0x120
[  345.061885]  ? warn_alloc+0x120/0x120
[  345.065696]  ? print_usage_bug+0xc0/0xc0
[  345.069767]  ? print_usage_bug+0xc0/0xc0
[  345.073833]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  345.079033]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.084574]  ? should_fail+0x22d/0xd01
[  345.088469]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  345.093573]  ? __lock_acquire+0x62f/0x4c20
[  345.097819]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  345.102924]  ? __lock_acquire+0x62f/0x4c20
[  345.107161]  ? should_fail+0x22d/0xd01
[  345.111064]  ? mark_held_locks+0x130/0x130
[  345.115309]  ? mark_held_locks+0x130/0x130
[  345.119541]  ? zap_class+0x640/0x640
[  345.123266]  ? zap_class+0x640/0x640
[  345.126990]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.132535]  ? check_preemption_disabled+0x48/0x280
[  345.137562]  ? __lock_is_held+0xb5/0x140
[  345.141630]  __alloc_pages_nodemask+0xa80/0xde0
[  345.146300]  ? zap_class+0x640/0x640
[  345.150019]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  345.155224]  ? find_held_lock+0x36/0x1c0
[  345.159299]  ? ____cache_alloc_node+0x1c7/0x1e0
[  345.163973]  ? lock_downgrade+0x900/0x900
[  345.168129]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.173683]  cache_grow_begin+0xa5/0x8c0
[  345.177750]  ? do_raw_spin_unlock+0xa7/0x330
[  345.182166]  fallback_alloc+0x204/0x2e0
[  345.186206]  ____cache_alloc_node+0x1c7/0x1e0
[  345.190716]  __kmalloc+0x213/0x760
[  345.194269]  ? __neigh_create+0x30b/0x2130
[  345.198510]  __neigh_create+0x30b/0x2130
[  345.202575]  ? __local_bh_enable_ip+0x160/0x260
[  345.207246]  ? __local_bh_enable_ip+0x160/0x260
[  345.211932]  ? mark_held_locks+0x130/0x130
[  345.216167]  ? __local_bh_enable_ip+0x160/0x260
[  345.220846]  ? neigh_hash_alloc+0x1e0/0x1e0
[  345.225170]  ? zap_class+0x640/0x640
[  345.228892]  ? trace_hardirqs_on+0xbd/0x310
[  345.233215]  ? mark_held_locks+0xc7/0x130
[  345.237368]  ? ip6t_do_table+0xd9e/0x1d30
[  345.241517]  ? trace_hardirqs_off_caller+0x310/0x310
[  345.246619]  ? __local_bh_enable_ip+0x160/0x260
[  345.251295]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.256839]  ? lock_acquire+0x1ed/0x520
[  345.260819]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.266355]  ? check_preemption_disabled+0x48/0x280
[  345.271382]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  345.276920]  ? rcu_pm_notify+0xc0/0xc0
[  345.280807]  ? zap_class+0x640/0x640
[  345.284525]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  345.289727]  ip6_finish_output2+0xa59/0x27a0
[  345.294152]  ? ip6_copy_metadata+0xe30/0xe30
[  345.298565]  ? ip6_mtu+0x39c/0x520
[  345.302107]  ? lock_downgrade+0x900/0x900
[  345.306260]  ? check_preemption_disabled+0x48/0x280
[  345.311277]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  345.316213]  ? kasan_check_read+0x11/0x20
[  345.320370]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  345.325647]  ? rcu_softirq_qs+0x20/0x20
[  345.329640]  ? ip6_mtu+0x160/0x520
[  345.333180]  ? find_match+0x10a0/0x10a0
[  345.337160]  ? kasan_check_read+0x11/0x20
[  345.341315]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  345.346642]  ip6_finish_output+0x58c/0xc60
[  345.350886]  ? ip6_finish_output+0x58c/0xc60
[  345.355301]  ip6_output+0x232/0x9d0
[  345.358934]  ? ip6_finish_output+0xc60/0xc60
[  345.363346]  ? ip6_fragment+0x38e0/0x38e0
[  345.367493]  ? __lock_is_held+0xb5/0x140
[  345.371570]  ndisc_send_skb+0x1005/0x1570
[  345.375729]  ? nf_hook.constprop.33+0x860/0x860
[  345.380405]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.385943]  ? refcount_sub_and_test_checked+0x203/0x310
[  345.391398]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  345.396865]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.402406]  ndisc_send_rs+0x134/0x6e0
[  345.406300]  addrconf_rs_timer+0x314/0x690
[  345.410542]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  345.414787]  call_timer_fn+0x272/0x920
[  345.418683]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  345.422918]  ? process_timeout+0x40/0x40
[  345.426990]  ? mark_held_locks+0xc7/0x130
[  345.431143]  ? _raw_spin_unlock_irq+0x27/0x80
[  345.435642]  ? _raw_spin_unlock_irq+0x27/0x80
[  345.440146]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  345.444397]  ? lockdep_hardirqs_on+0x296/0x5b0
[  345.448983]  ? trace_hardirqs_on+0xbd/0x310
[  345.453306]  ? kasan_check_read+0x11/0x20
[  345.457453]  ? __run_timers+0x7da/0xc70
[  345.461434]  ? trace_hardirqs_off_caller+0x310/0x310
[  345.466550]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  345.470786]  __run_timers+0x7e5/0xc70
[  345.474653]  ? timer_fixup_init+0x70/0x70
[  345.478814]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  345.483836]  ? zap_class+0x640/0x640
[  345.487553]  ? print_usage_bug+0xc0/0xc0
[  345.491620]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  345.496816]  ? find_held_lock+0x36/0x1c0
[  345.500885]  ? zap_class+0x640/0x640
[  345.504604]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.510143]  ? check_preemption_disabled+0x48/0x280
[  345.515174]  ? __lock_is_held+0xb5/0x140
[  345.519243]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.524782]  ? check_preemption_disabled+0x48/0x280
[  345.529804]  run_timer_softirq+0x52/0xb0
[  345.533867]  ? rcu_read_lock_sched_held+0x14f/0x180
[  345.538884]  __do_softirq+0x308/0xb7e
[  345.542697]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  345.547198]  ? lock_downgrade+0x900/0x900
[  345.551348]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  345.556463]  ? pvclock_read_flags+0x160/0x160
[  345.560961]  ? lapic_next_event+0x5a/0x90
[  345.565115]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.570658]  ? kvm_clock_read+0x18/0x30
[  345.574642]  ? kvm_sched_clock_read+0x9/0x20
[  345.579060]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.584598]  ? check_preemption_disabled+0x48/0x280
[  345.589625]  irq_exit+0x17f/0x1c0
[  345.593086]  smp_apic_timer_interrupt+0x1cb/0x760
[  345.597934]  ? smp_reschedule_interrupt+0x109/0x650
[  345.602952]  ? smp_call_function_single_interrupt+0x650/0x650
[  345.608838]  ? interrupt_entry+0xb5/0xc0
[  345.612905]  ? trace_hardirqs_off_caller+0xbb/0x310
[  345.617921]  ? trace_hardirqs_off_caller+0xbb/0x310
[  345.622937]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  345.627780]  ? trace_hardirqs_on_caller+0x310/0x310
[  345.632797]  ? trace_hardirqs_on_caller+0x310/0x310
[  345.637835]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  345.642699]  apic_timer_interrupt+0xf/0x20
[  345.646927]  </IRQ>
[  345.649168] RIP: 0010:dump_stack+0x358/0x39d
[  345.653580] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 a1 9c fd f9 48 83 3d 29 00 8d 01 00 0f 84 63 fe ff ff e8 ee 69 ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db 69 ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  345.672482] RSP: 0000:ffff8801b9cce1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  345.680191] RAX: ffff8801d71b2040 RBX: 1ffffffff12a3f46 RCX: 1ffff1003ae36526
[  345.687458] RDX: 0000000000000000 RSI: ffffffff87c4fa12 RDI: 0000000000000293
[  345.694725] RBP: ffff8801b9cce290 R08: ffff8801d71b2930 R09: 0000000000000006
[  345.701991] R10: 0000000000000000 R11: ffff8801d71b2040 R12: 1ffff10037399c45
[  345.709258] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  345.716546]  ? dump_stack+0x34f/0x39d
[  345.720360]  ? dump_stack_print_info.cold.1+0x20/0x20
[  345.725557]  ? mark_held_locks+0x130/0x130
[  345.729792]  ? mark_held_locks+0x130/0x130
[  345.734036]  dump_header+0x27b/0xf72
[  345.737762]  ? pagefault_out_of_memory+0x197/0x197
[  345.742709]  ? __lock_acquire+0x62f/0x4c20
[  345.746946]  ? percpu_ref_get_many+0x240/0x240
[  345.751531]  ? print_usage_bug+0xc0/0xc0
[  345.755599]  ? zap_class+0x640/0x640
[  345.759315]  ? print_usage_bug+0xc0/0xc0
[  345.763373]  ? print_usage_bug+0xc0/0xc0
[  345.767435]  ? zap_class+0x640/0x640
[  345.771323]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.776869]  ? find_held_lock+0x36/0x1c0
[  345.780945]  ? mark_held_locks+0xc7/0x130
[  345.785104]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  345.790214]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  345.795325]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  345.799916]  ? trace_hardirqs_on+0xbd/0x310
[  345.804238]  ? kasan_check_read+0x11/0x20
[  345.808391]  ? ___ratelimit+0x3b4/0x672
[  345.812378]  ? trace_hardirqs_off_caller+0x310/0x310
[  345.817487]  ? trace_hardirqs_on+0x310/0x310
[  345.821902]  ? lock_downgrade+0x900/0x900
[  345.826064]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  345.831175]  ? ___ratelimit+0x3b9/0x672
[  345.835163]  ? idr_get_free+0xf80/0xf80
[  345.839155]  ? find_held_lock+0x36/0x1c0
[  345.843233]  oom_kill_process.cold.27+0x10/0x903
[  345.847998]  ? zap_class+0x640/0x640
[  345.851718]  ? check_preemption_disabled+0x48/0x280
[  345.856745]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  345.861687]  ? kasan_check_read+0x11/0x20
[  345.865843]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  345.871129]  ? oom_evaluate_task+0x540/0x540
[  345.875547]  ? find_held_lock+0x36/0x1c0
[  345.879618]  ? out_of_memory+0x974/0x1430
[  345.883768]  ? lock_downgrade+0x900/0x900
[  345.887918]  ? check_preemption_disabled+0x48/0x280
[  345.892938]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  345.897869]  ? kasan_check_read+0x11/0x20
[  345.902525]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  345.907803]  ? rcu_softirq_qs+0x20/0x20
[  345.911784]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.917323]  ? oom_evaluate_task+0x302/0x540
[  345.921739]  out_of_memory+0xa84/0x1430
[  345.925728]  ? oom_killer_disable+0x3a0/0x3a0
[  345.930229]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  345.935166]  ? __ww_mutex_check_waiters+0x160/0x160
[  345.940209]  __alloc_pages_slowpath+0x2354/0x2e10
[  345.945087]  ? warn_alloc+0x120/0x120
[  345.948888]  ? mark_held_locks+0x130/0x130
[  345.953131]  ? find_get_entry+0xaae/0x1120
[  345.957378]  ? filemap_map_pages+0x1a20/0x1a20
[  345.961971]  ? zap_class+0x640/0x640
[  345.965699]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.971242]  ? check_preemption_disabled+0x48/0x280
[  345.976265]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.981803]  ? should_fail+0x22d/0xd01
[  345.985706]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  345.990815]  ? zap_class+0x640/0x640
[  345.994554]  ? __lock_is_held+0xb5/0x140
[  345.998624]  ? mark_held_locks+0x130/0x130
[  346.002865]  ? lock_release+0xa00/0xa00
[  346.006841]  ? perf_trace_sched_process_exec+0x860/0x860
[  346.012294]  ? xa_load+0x2ba/0x460
[  346.015841]  ? lock_downgrade+0x900/0x900
[  346.019994]  ? __might_sleep+0x95/0x190
[  346.023980]  __alloc_pages_nodemask+0xa80/0xde0
[  346.028659]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  346.033692]  ? __page_cache_alloc+0x191/0x5c0
[  346.038193]  ? xa_load+0x2e1/0x460
[  346.041738]  ? xa_clear_mark+0x40/0x40
[  346.045627]  ? zap_class+0x640/0x640
[  346.049348]  ? zap_class+0x640/0x640
[  346.053060]  ? zap_class+0x640/0x640
[  346.056781]  ? __do_page_cache_readahead+0x663/0x810
[  346.061890]  ? find_held_lock+0x36/0x1c0
[  346.065959]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  346.071508]  alloc_pages_current+0x173/0x350
[  346.075926]  __page_cache_alloc+0x38c/0x5c0
[  346.080248]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  346.085182]  ? kasan_check_read+0x11/0x20
[  346.089337]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  346.094628]  ? generic_perform_write+0x6a0/0x6a0
[  346.099391]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  346.104938]  ? check_preemption_disabled+0x48/0x280
[  346.109973]  filemap_fault+0x1595/0x25f0
[  346.114057]  ? __lock_page_or_retry+0xa00/0xa00
[  346.118736]  ? mark_held_locks+0x130/0x130
[  346.122990]  ? filemap_map_pages+0xd6b/0x1a20
[  346.127498]  ? lock_downgrade+0x900/0x900
[  346.131656]  ? check_preemption_disabled+0x48/0x280
[  346.136703]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  346.141642]  ? kasan_check_read+0x11/0x20
[  346.145806]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  346.151091]  ? rcu_softirq_qs+0x20/0x20
[  346.155086]  ? filemap_map_pages+0xd92/0x1a20
[  346.159592]  ? __lock_acquire+0x62f/0x4c20
[  346.163849]  ? find_get_entries_tag+0x1400/0x1400
[  346.168728]  ? lock_acquire+0x1ed/0x520
[  346.172713]  ? ext4_filemap_fault+0x7a/0xad
[  346.177051]  ? lock_release+0xa00/0xa00
[  346.181029]  ? perf_trace_sched_process_exec+0x860/0x860
[  346.186488]  ? print_usage_bug+0xc0/0xc0
[  346.190555]  ? print_usage_bug+0xc0/0xc0
[  346.194633]  ? down_read+0x8d/0x120
[  346.198262]  ? ext4_filemap_fault+0x7a/0xad
[  346.202590]  ? __down_interruptible+0x700/0x700
[  346.207276]  ext4_filemap_fault+0x82/0xad
[  346.211433]  __do_fault+0x100/0x6b0
[  346.215072]  ? pmd_devmap_trans_unstable+0x220/0x220
[  346.220185]  ? mark_held_locks+0x130/0x130
[  346.224436]  ? mark_held_locks+0x130/0x130
[  346.228687]  ? __might_fault+0x12b/0x1e0
[  346.232757]  ? lock_downgrade+0x900/0x900
[  346.236919]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  346.242470]  __handle_mm_fault+0x3ea6/0x5be0
[  346.246891]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  346.251741]  ? kasan_check_read+0x11/0x20
[  346.255892]  ? _copy_to_user+0xc8/0x110
[  346.259872]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  346.265426]  ? zap_class+0x640/0x640
[  346.269142]  ? zap_class+0x640/0x640
[  346.272867]  ? find_held_lock+0x36/0x1c0
[  346.276945]  ? handle_mm_fault+0x42a/0xc70
[  346.281182]  ? lock_downgrade+0x900/0x900
[  346.285336]  ? check_preemption_disabled+0x48/0x280
[  346.290356]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  346.295290]  ? kasan_check_read+0x11/0x20
[  346.299440]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  346.304720]  ? rcu_softirq_qs+0x20/0x20
[  346.308703]  ? trace_hardirqs_off_caller+0x310/0x310
[  346.313813]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  346.319362]  ? check_preemption_disabled+0x48/0x280
[  346.324390]  handle_mm_fault+0x54f/0xc70
[  346.328457]  ? __handle_mm_fault+0x5be0/0x5be0
[  346.333042]  ? find_vma+0x34/0x190
[  346.336589]  __do_page_fault+0x5e8/0xe60
[  346.340650]  ? trace_hardirqs_off+0xb8/0x310
[  346.345068]  ? retint_kernel+0x2d/0x2d
[  346.348971]  do_page_fault+0xf2/0x7e0
[  346.352777]  ? vmalloc_sync_all+0x30/0x30
[  346.356927]  ? error_entry+0x70/0xd0
[  346.360647]  ? trace_hardirqs_off_caller+0xbb/0x310
[  346.365672]  ? trace_hardirqs_on_caller+0xc0/0x310
[  346.370612]  ? syscall_return_slowpath+0x5e0/0x5e0
[  346.375546]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  346.380399]  ? trace_hardirqs_on_caller+0x310/0x310
[  346.385422]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  346.390889]  ? prepare_exit_to_usermode+0x291/0x3b0
[  346.395917]  ? page_fault+0x8/0x30
[  346.399466]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  346.404321]  ? page_fault+0x8/0x30
[  346.407866]  page_fault+0x1e/0x30
[  346.411329] RIP: 0033:0x45d911
[  346.414539] Code: Bad RIP value.
[  346.417901] RSP: 002b:000000c420035f18 EFLAGS: 00010246
[  346.423267] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 000000000045d911
[  346.430547] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  346.437832] RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
[  346.445110] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  346.452389] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  346.459700] warn_alloc_show_mem: 1 callbacks suppressed
[  346.459713] CPU: 0 PID: 11721 Comm: syz-executor5 Not tainted 4.19.0+ #74
[  346.459715] Mem-Info:
[  346.459745] active_anon:50643 inactive_anon:847 isolated_anon:0
[  346.459745]  active_file:14 inactive_file:13 isolated_file:0
[  346.459745]  unevictable:0 dirty:0 writeback:0 unstable:0
[  346.459745]  slab_reclaimable:9230 slab_unreclaimable:1469886
[  346.459745]  mapped:49154 shmem:854 pagetables:629 bounce:0
[  346.459745]  free:13794 free_pcp:158 free_cma:0
[  346.465105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  346.465115] Call Trace:
[  346.472061] Node 0 active_anon:202572kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3416kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  346.474463]  <IRQ>
[  346.507340] 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
[  346.516726]  dump_stack+0x244/0x39d
[  346.519287] lowmem_reserve[]: 0 2818 6321 6321
[  346.546980]  ? dump_stack_print_info.cold.1+0x20/0x20
[  346.549111] Node 0 DMA32 free:25280kB min:30052kB low:37564kB high:45076kB active_anon:236kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  346.575252]  warn_alloc.cold.116+0xb7/0x1bd
[  346.578850] lowmem_reserve[]: 0 0 3503 3503
[  346.583442]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  346.588601] Node 0 Normal free:13988kB min:37364kB low:46704kB high:56044kB active_anon:202336kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:412kB local_pcp:252kB free_cma:0kB
[  346.616113]  ? lock_downgrade+0x900/0x900
[  346.620406] lowmem_reserve[]: 0 0 0 0
[  346.624732]  ? trace_hardirqs_off+0xb8/0x310
[  346.629554] 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
[  346.658552]  ? trace_hardirqs_off+0xb8/0x310
[  346.662675] Node 0 DMA32: 2*4kB (H) 3*8kB (UMH) 2*16kB (M) 2*32kB (MH) 5*64kB (MH) 4*128kB (M) 5*256kB (MH) 5*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 25280kB
[  346.666488]  __alloc_pages_slowpath+0x26e8/0x2e10
[  346.670864] Node 0 Normal: 737*4kB (UMEH) 442*8kB (UME) 213*16kB (UME) 70*32kB (UME) 7*64kB (UMH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13988kB
[  346.684415]  ? warn_alloc+0x120/0x120
[  346.688788] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  346.704219]  ? print_usage_bug+0xc0/0xc0
[  346.709043] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  346.724382]  ? warn_alloc+0x120/0x120
[  346.728246] 881 total pagecache pages
[  346.737397]  ? warn_alloc+0x120/0x120
[  346.741439] 0 pages in swap cache
[  346.750008]  ? print_usage_bug+0xc0/0xc0
[  346.753787] Swap cache stats: add 0, delete 0, find 0/0
[  346.757581]  ? print_usage_bug+0xc0/0xc0
[  346.761355] Free swap  = 0kB
[  346.761364] Total swap = 0kB
[  346.764823]  ? __lock_acquire+0x62f/0x4c20
[  346.768863] 1965979 pages RAM
[  346.774733]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  346.778785] 0 pages HighMem/MovableOnly
[  346.778794] 342858 pages reserved
[  346.781814]  ? should_fail+0x22d/0xd01
[  346.784804] 0 pages cma reserved
[  346.789031]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  346.792393] syz-fuzzer: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  346.797645]  ? __lock_acquire+0x62f/0x4c20
[  346.801598] syz-fuzzer cpuset=/ mems_allowed=0
[  346.805047]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  346.841459]  ? __lock_acquire+0x62f/0x4c20
[  346.845704]  ? should_fail+0x22d/0xd01
[  346.849600]  ? find_held_lock+0x36/0x1c0
[  346.853671]  ? mark_held_locks+0x130/0x130
[  346.857931]  ? mark_held_locks+0x130/0x130
[  346.862163]  ? zap_class+0x640/0x640
[  346.865878]  ? zap_class+0x640/0x640
[  346.869595]  ? print_usage_bug+0xc0/0xc0
[  346.873656]  ? do_raw_spin_unlock+0xa7/0x330
[  346.878078]  ? zap_class+0x640/0x640
[  346.881791]  ? print_usage_bug+0xc0/0xc0
[  346.885854]  ? wq_watchdog_touch+0x9c/0xfe
[  346.890094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.895639]  ? check_preemption_disabled+0x48/0x280
[  346.900668]  ? __lock_is_held+0xb5/0x140
[  346.904754]  __alloc_pages_nodemask+0xa80/0xde0
[  346.909427]  ? zap_class+0x640/0x640
[  346.913148]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  346.918176]  ? find_held_lock+0x36/0x1c0
[  346.922251]  ? ____cache_alloc_node+0x1c7/0x1e0
[  346.926925]  ? lock_downgrade+0x900/0x900
[  346.931085]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.936631]  cache_grow_begin+0xa5/0x8c0
[  346.940706]  ? do_raw_spin_unlock+0xa7/0x330
[  346.945129]  fallback_alloc+0x204/0x2e0
[  346.949114]  ____cache_alloc_node+0x1c7/0x1e0
[  346.953615]  kmem_cache_alloc_node+0xe3/0x730
[  346.958201]  ? ipv6_get_ifaddr+0x42e/0x620
[  346.962450]  __alloc_skb+0x119/0x770
[  346.966164]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  346.971448]  ? netdev_alloc_frag+0x1f0/0x1f0
[  346.975860]  ? lock_downgrade+0x900/0x900
[  346.980017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.985555]  ? refcount_sub_and_test_checked+0x203/0x310
[  346.991016]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  346.996466]  ? addrconf_rs_timer+0x690/0x690
[  347.000889]  ndisc_alloc_skb+0x144/0x340
[  347.004956]  ndisc_send_rs+0x331/0x6e0
[  347.008846]  addrconf_rs_timer+0x314/0x690
[  347.013090]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  347.017339]  call_timer_fn+0x272/0x920
[  347.021224]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  347.025458]  ? process_timeout+0x40/0x40
[  347.029528]  ? __run_timers+0x7da/0xc70
[  347.033505]  ? _raw_spin_unlock_irq+0x27/0x80
[  347.038004]  ? _raw_spin_unlock_irq+0x27/0x80
[  347.042500]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  347.046738]  ? lockdep_hardirqs_on+0x296/0x5b0
[  347.051326]  ? trace_hardirqs_on+0xbd/0x310
[  347.055652]  ? kasan_check_read+0x11/0x20
[  347.059813]  ? __run_timers+0x7da/0xc70
[  347.063793]  ? trace_hardirqs_off_caller+0x310/0x310
[  347.068900]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  347.073139]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  347.077370]  __run_timers+0x7e5/0xc70
[  347.081179]  ? timer_fixup_init+0x70/0x70
[  347.085327]  ? kasan_check_read+0x11/0x20
[  347.089474]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  347.094752]  ? rcu_softirq_qs+0x20/0x20
[  347.098727]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.104268]  ? check_preemption_disabled+0x48/0x280
[  347.109295]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  347.114060]  ? retint_kernel+0x2d/0x2d
[  347.117947]  ? trace_hardirqs_on_caller+0xc0/0x310
[  347.122880]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  347.127639]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  347.133092]  ? zap_class+0x640/0x640
[  347.136810]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.142354]  ? check_preemption_disabled+0x48/0x280
[  347.147384]  ? __lock_is_held+0xb5/0x140
[  347.151448]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.156985]  ? check_preemption_disabled+0x48/0x280
[  347.162008]  run_timer_softirq+0x52/0xb0
[  347.166072]  ? rcu_read_lock_sched_held+0x14f/0x180
[  347.171091]  __do_softirq+0x308/0xb7e
[  347.174894]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  347.179410]  ? lock_downgrade+0x900/0x900
[  347.183562]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  347.188673]  ? pvclock_read_flags+0x160/0x160
[  347.193186]  ? lapic_next_event+0x5a/0x90
[  347.197335]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.202878]  ? kvm_clock_read+0x18/0x30
[  347.206851]  ? kvm_sched_clock_read+0x9/0x20
[  347.211261]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.216799]  ? check_preemption_disabled+0x48/0x280
[  347.221825]  irq_exit+0x17f/0x1c0
[  347.225284]  smp_apic_timer_interrupt+0x1cb/0x760
[  347.230129]  ? smp_reschedule_interrupt+0x109/0x650
[  347.235149]  ? smp_call_function_single_interrupt+0x650/0x650
[  347.241039]  ? interrupt_entry+0xb5/0xc0
[  347.245118]  ? trace_hardirqs_off_caller+0xbb/0x310
[  347.250137]  ? trace_hardirqs_off_caller+0xbb/0x310
[  347.255156]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  347.260002]  ? trace_hardirqs_on_caller+0x310/0x310
[  347.265108]  ? trace_hardirqs_on_caller+0x310/0x310
[  347.270128]  ? task_prio+0x50/0x50
[  347.273671]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.279228]  ? check_preemption_disabled+0x48/0x280
[  347.284249]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  347.289101]  apic_timer_interrupt+0xf/0x20
[  347.293331]  </IRQ>
[  347.295574] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  347.300503] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 14
[  347.319402] RSP: 0000:ffff8801bf14f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  347.327123] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  347.334393] RDX: 0000000000000000 RSI: ffff8801b68a4c40 RDI: 0000000000000286
[  347.341658] RBP: ffff8801bf14f7a0 R08: ffff8801b68a43c0 R09: 0000000000000000
[  347.348938] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  347.356206] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  347.363516]  skb_clone+0x1bb/0x500
[  347.367080]  ? finish_task_switch+0x2f4/0x910
[  347.371576]  ? skb_split+0x11e0/0x11e0
[  347.375466]  ? preempt_notifier_register+0x200/0x200
[  347.380567]  ? __switch_to_asm+0x34/0x70
[  347.384627]  ? __switch_to_asm+0x34/0x70
[  347.388702]  ? __switch_to_asm+0x40/0x70
[  347.392770]  ? __switch_to_asm+0x34/0x70
[  347.396830]  ? __switch_to_asm+0x40/0x70
[  347.400892]  ? __switch_to_asm+0x34/0x70
[  347.404952]  ? __switch_to_asm+0x40/0x70
[  347.409015]  ? __switch_to_asm+0x34/0x70
[  347.413078]  ? __switch_to_asm+0x34/0x70
[  347.417140]  ? __switch_to_asm+0x40/0x70
[  347.421197]  ? __switch_to_asm+0x34/0x70
[  347.425268]  bpf_clone_redirect+0xb9/0x490
[  347.429521]  ? __schedule+0x8d7/0x21d0
[  347.433421]  bpf_prog_bebbfe2050753572+0x6c2/0x1000
[  347.438443]  ? __sched_text_start+0x8/0x8
[  347.442594]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  347.447355]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  347.451942]  ? retint_kernel+0x2d/0x2d
[  347.455839]  ? find_held_lock+0x36/0x1c0
[  347.459911]  ? lock_acquire+0x1ed/0x520
[  347.463884]  ? bpf_test_run+0x3cb/0x780
[  347.467861]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.473401]  ? check_preemption_disabled+0x48/0x280
[  347.478427]  ? kasan_check_read+0x11/0x20
[  347.482575]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  347.487854]  ? rcu_softirq_qs+0x20/0x20
[  347.491830]  ? preempt_schedule+0x4d/0x60
[  347.495981]  ? ___preempt_schedule+0x16/0x18
[  347.500399]  ? bpf_test_run+0x25d/0x780
[  347.504388]  ? netlink_diag_dump+0x2a0/0x2a0
[  347.508803]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  347.514340]  ? bpf_test_init.isra.10+0x70/0x100
[  347.519019]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  347.523785]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  347.528627]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  347.534167]  ? fput+0x130/0x1a0
[  347.537448]  ? __bpf_prog_get+0x9b/0x290
[  347.541514]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  347.546357]  ? bpf_prog_test_run+0x130/0x1a0
[  347.550773]  ? __x64_sys_bpf+0x3d8/0x520
[  347.554833]  ? bpf_prog_get+0x20/0x20
[  347.558658]  ? do_syscall_64+0x1b9/0x820
[  347.562738]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  347.568107]  ? syscall_return_slowpath+0x5e0/0x5e0
[  347.573033]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  347.577876]  ? trace_hardirqs_on_caller+0x310/0x310
[  347.582892]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  347.587909]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.593447]  ? prepare_exit_to_usermode+0x291/0x3b0
[  347.598473]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  347.603330]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  347.608726] CPU: 1 PID: 5666 Comm: syz-fuzzer Not tainted 4.19.0+ #74
[  347.608796] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  347.615305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  347.615310] Call Trace:
[  347.615316]  <IRQ>
[  347.615333]  dump_stack+0x244/0x39d
[  347.615350]  ? dump_stack_print_info.cold.1+0x20/0x20
[  347.615377]  warn_alloc.cold.116+0xb7/0x1bd
[  347.621946] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  347.631203]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  347.633757] syz-executor5 cpuset=syz5 mems_allowed=0
[  347.635901]  ? lock_downgrade+0x900/0x900
[  347.673511]  ? trace_hardirqs_off+0xb8/0x310
[  347.677928]  ? trace_hardirqs_off+0xb8/0x310
[  347.682349]  __alloc_pages_slowpath+0x26e8/0x2e10
[  347.687230]  ? warn_alloc+0x120/0x120
[  347.691042]  ? warn_alloc+0x120/0x120
[  347.694848]  ? warn_alloc+0x120/0x120
[  347.698654]  ? print_usage_bug+0xc0/0xc0
[  347.702733]  ? print_usage_bug+0xc0/0xc0
[  347.706800]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  347.712002]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  347.717544]  ? should_fail+0x22d/0xd01
[  347.721435]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  347.726538]  ? __lock_acquire+0x62f/0x4c20
[  347.730781]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  347.735894]  ? __lock_acquire+0x62f/0x4c20
[  347.740130]  ? should_fail+0x22d/0xd01
[  347.744033]  ? mark_held_locks+0x130/0x130
[  347.748274]  ? mark_held_locks+0x130/0x130
[  347.752505]  ? zap_class+0x640/0x640
[  347.756231]  ? zap_class+0x640/0x640
[  347.759950]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.765490]  ? check_preemption_disabled+0x48/0x280
[  347.770806]  ? __lock_is_held+0xb5/0x140
[  347.774876]  __alloc_pages_nodemask+0xa80/0xde0
[  347.779551]  ? zap_class+0x640/0x640
[  347.783277]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  347.788308]  ? find_held_lock+0x36/0x1c0
[  347.792378]  ? ____cache_alloc_node+0x1c7/0x1e0
[  347.797053]  ? lock_downgrade+0x900/0x900
[  347.801213]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.806776]  cache_grow_begin+0xa5/0x8c0
[  347.810840]  ? do_raw_spin_unlock+0xa7/0x330
[  347.815261]  fallback_alloc+0x204/0x2e0
[  347.819245]  ____cache_alloc_node+0x1c7/0x1e0
[  347.823751]  __kmalloc+0x213/0x760
[  347.827304]  ? __neigh_create+0x30b/0x2130
[  347.831547]  __neigh_create+0x30b/0x2130
[  347.835607]  ? __local_bh_enable_ip+0x160/0x260
[  347.840274]  ? __local_bh_enable_ip+0x160/0x260
[  347.844956]  ? mark_held_locks+0x130/0x130
[  347.849195]  ? __local_bh_enable_ip+0x160/0x260
[  347.853870]  ? neigh_hash_alloc+0x1e0/0x1e0
[  347.858197]  ? zap_class+0x640/0x640
[  347.861929]  ? trace_hardirqs_on+0xbd/0x310
[  347.866250]  ? mark_held_locks+0xc7/0x130
[  347.870404]  ? ip6t_do_table+0xd9e/0x1d30
[  347.874555]  ? trace_hardirqs_off_caller+0x310/0x310
[  347.879657]  ? __local_bh_enable_ip+0x160/0x260
[  347.884342]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.889889]  ? lock_acquire+0x1ed/0x520
[  347.893870]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.899407]  ? check_preemption_disabled+0x48/0x280
[  347.904962]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  347.910526]  ? rcu_pm_notify+0xc0/0xc0
[  347.914417]  ? zap_class+0x640/0x640
[  347.918157]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  347.923382]  ip6_finish_output2+0xa59/0x27a0
[  347.927812]  ? ip6_copy_metadata+0xe30/0xe30
[  347.932226]  ? ip6_mtu+0x39c/0x520
[  347.935770]  ? lock_downgrade+0x900/0x900
[  347.939920]  ? check_preemption_disabled+0x48/0x280
[  347.944944]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  347.949890]  ? kasan_check_read+0x11/0x20
[  347.954042]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  347.959316]  ? rcu_softirq_qs+0x20/0x20
[  347.963304]  ? ip6_mtu+0x160/0x520
[  347.966844]  ? find_match+0x10a0/0x10a0
[  347.970823]  ? kasan_check_read+0x11/0x20
[  347.974973]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  347.980255]  ip6_finish_output+0x58c/0xc60
[  347.984495]  ? ip6_finish_output+0x58c/0xc60
[  347.988913]  ip6_output+0x232/0x9d0
[  347.992549]  ? ip6_finish_output+0xc60/0xc60
[  347.996963]  ? ip6_fragment+0x38e0/0x38e0
[  348.001115]  ? __lock_is_held+0xb5/0x140
[  348.005188]  ndisc_send_skb+0x1005/0x1570
[  348.009350]  ? nf_hook.constprop.33+0x860/0x860
[  348.014025]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.019562]  ? refcount_sub_and_test_checked+0x203/0x310
[  348.025014]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  348.030480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.036024]  ndisc_send_rs+0x134/0x6e0
[  348.039919]  addrconf_rs_timer+0x314/0x690
[  348.044157]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  348.048410]  call_timer_fn+0x272/0x920
[  348.052295]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  348.056532]  ? process_timeout+0x40/0x40
[  348.060609]  ? mark_held_locks+0xc7/0x130
[  348.064764]  ? _raw_spin_unlock_irq+0x27/0x80
[  348.069259]  ? _raw_spin_unlock_irq+0x27/0x80
[  348.073751]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  348.077985]  ? lockdep_hardirqs_on+0x296/0x5b0
[  348.082572]  ? trace_hardirqs_on+0xbd/0x310
[  348.086901]  ? kasan_check_read+0x11/0x20
[  348.091049]  ? __run_timers+0x7da/0xc70
[  348.095029]  ? trace_hardirqs_off_caller+0x310/0x310
[  348.100137]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  348.104377]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  348.108610]  __run_timers+0x7e5/0xc70
[  348.112424]  ? timer_fixup_init+0x70/0x70
[  348.116574]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  348.121592]  ? zap_class+0x640/0x640
[  348.125310]  ? print_usage_bug+0xc0/0xc0
[  348.129372]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  348.134569]  ? find_held_lock+0x36/0x1c0
[  348.138639]  ? zap_class+0x640/0x640
[  348.142359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.147898]  ? check_preemption_disabled+0x48/0x280
[  348.152928]  ? __lock_is_held+0xb5/0x140
[  348.156999]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.162540]  ? check_preemption_disabled+0x48/0x280
[  348.167568]  run_timer_softirq+0x52/0xb0
[  348.171639]  ? rcu_read_lock_sched_held+0x14f/0x180
[  348.176660]  __do_softirq+0x308/0xb7e
[  348.180477]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  348.184974]  ? lock_downgrade+0x900/0x900
[  348.189127]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  348.194243]  ? pvclock_read_flags+0x160/0x160
[  348.198743]  ? lapic_next_event+0x5a/0x90
[  348.202900]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.208445]  ? kvm_clock_read+0x18/0x30
[  348.212421]  ? kvm_sched_clock_read+0x9/0x20
[  348.216833]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.222371]  ? check_preemption_disabled+0x48/0x280
[  348.227398]  irq_exit+0x17f/0x1c0
[  348.230855]  smp_apic_timer_interrupt+0x1cb/0x760
[  348.235709]  ? smp_reschedule_interrupt+0x109/0x650
[  348.240730]  ? smp_call_function_single_interrupt+0x650/0x650
[  348.246614]  ? interrupt_entry+0xb5/0xc0
[  348.250686]  ? trace_hardirqs_off_caller+0xbb/0x310
[  348.255705]  ? trace_hardirqs_off_caller+0xbb/0x310
[  348.260729]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  348.265580]  ? trace_hardirqs_on_caller+0x310/0x310
[  348.270598]  ? trace_hardirqs_on_caller+0x310/0x310
[  348.275631]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  348.280490]  apic_timer_interrupt+0xf/0x20
[  348.284719]  </IRQ>
[  348.286955] RIP: 0010:dump_stack+0x358/0x39d
[  348.291365] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 a1 9c fd f9 48 83 3d 29 00 8d 01 00 0f 84 63 fe ff ff e8 ee 69 ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db 69 ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  348.310268] RSP: 0000:ffff8801b9cce1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  348.317975] RAX: ffff8801d71b2040 RBX: 1ffffffff12a3f46 RCX: 1ffff1003ae36526
[  348.325245] RDX: 0000000000000000 RSI: ffffffff87c4fa12 RDI: 0000000000000293
[  348.332513] RBP: ffff8801b9cce290 R08: ffff8801d71b2930 R09: 0000000000000006
[  348.339783] R10: 0000000000000000 R11: ffff8801d71b2040 R12: 1ffff10037399c45
[  348.347050] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  348.354344]  ? dump_stack+0x34f/0x39d
[  348.358159]  ? dump_stack_print_info.cold.1+0x20/0x20
[  348.363358]  ? mark_held_locks+0x130/0x130
[  348.367593]  ? mark_held_locks+0x130/0x130
[  348.371838]  dump_header+0x27b/0xf72
[  348.375565]  ? pagefault_out_of_memory+0x197/0x197
[  348.380503]  ? __lock_acquire+0x62f/0x4c20
[  348.384742]  ? percpu_ref_get_many+0x240/0x240
[  348.389332]  ? print_usage_bug+0xc0/0xc0
[  348.393404]  ? zap_class+0x640/0x640
[  348.397121]  ? print_usage_bug+0xc0/0xc0
[  348.401183]  ? print_usage_bug+0xc0/0xc0
[  348.405249]  ? zap_class+0x640/0x640
[  348.409029]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.414572]  ? find_held_lock+0x36/0x1c0
[  348.418646]  ? mark_held_locks+0xc7/0x130
[  348.422805]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  348.427911]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  348.433018]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  348.437605]  ? trace_hardirqs_on+0xbd/0x310
[  348.441926]  ? kasan_check_read+0x11/0x20
[  348.446076]  ? ___ratelimit+0x3b4/0x672
[  348.450053]  ? trace_hardirqs_off_caller+0x310/0x310
[  348.455158]  ? trace_hardirqs_on+0x310/0x310
[  348.459576]  ? lock_downgrade+0x900/0x900
[  348.463735]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  348.468859]  ? ___ratelimit+0x3b9/0x672
[  348.472850]  ? idr_get_free+0xf80/0xf80
[  348.476833]  ? find_held_lock+0x36/0x1c0
[  348.480909]  oom_kill_process.cold.27+0x10/0x903
[  348.485666]  ? zap_class+0x640/0x640
[  348.489391]  ? check_preemption_disabled+0x48/0x280
[  348.494412]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  348.499372]  ? kasan_check_read+0x11/0x20
[  348.503522]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  348.508802]  ? oom_evaluate_task+0x540/0x540
[  348.513219]  ? find_held_lock+0x36/0x1c0
[  348.517300]  ? out_of_memory+0x974/0x1430
[  348.521452]  ? lock_downgrade+0x900/0x900
[  348.525659]  ? check_preemption_disabled+0x48/0x280
[  348.530699]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  348.535630]  ? kasan_check_read+0x11/0x20
[  348.539781]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  348.545059]  ? rcu_softirq_qs+0x20/0x20
[  348.549038]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.554574]  ? oom_evaluate_task+0x302/0x540
[  348.558984]  out_of_memory+0xa84/0x1430
[  348.562973]  ? oom_killer_disable+0x3a0/0x3a0
[  348.567469]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  348.572420]  ? __ww_mutex_check_waiters+0x160/0x160
[  348.577452]  __alloc_pages_slowpath+0x2354/0x2e10
[  348.582325]  ? warn_alloc+0x120/0x120
[  348.586126]  ? mark_held_locks+0x130/0x130
[  348.590365]  ? find_get_entry+0xaae/0x1120
[  348.594610]  ? filemap_map_pages+0x1a20/0x1a20
[  348.599203]  ? zap_class+0x640/0x640
[  348.602929]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.608483]  ? check_preemption_disabled+0x48/0x280
[  348.613517]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.619055]  ? should_fail+0x22d/0xd01
[  348.622949]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  348.628072]  ? zap_class+0x640/0x640
[  348.631814]  ? __lock_is_held+0xb5/0x140
[  348.635885]  ? mark_held_locks+0x130/0x130
[  348.640123]  ? lock_release+0xa00/0xa00
[  348.644115]  ? perf_trace_sched_process_exec+0x860/0x860
[  348.649568]  ? xa_load+0x2ba/0x460
[  348.653110]  ? lock_downgrade+0x900/0x900
[  348.657267]  ? __might_sleep+0x95/0x190
[  348.661251]  __alloc_pages_nodemask+0xa80/0xde0
[  348.665931]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  348.670954]  ? __page_cache_alloc+0x191/0x5c0
[  348.675446]  ? xa_load+0x2e1/0x460
[  348.678989]  ? xa_clear_mark+0x40/0x40
[  348.682878]  ? zap_class+0x640/0x640
[  348.686604]  ? zap_class+0x640/0x640
[  348.690318]  ? zap_class+0x640/0x640
[  348.694034]  ? __do_page_cache_readahead+0x663/0x810
[  348.699145]  ? find_held_lock+0x36/0x1c0
[  348.703216]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  348.708759]  alloc_pages_current+0x173/0x350
[  348.713175]  __page_cache_alloc+0x38c/0x5c0
[  348.717499]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  348.722427]  ? kasan_check_read+0x11/0x20
[  348.726579]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  348.731859]  ? generic_perform_write+0x6a0/0x6a0
[  348.736615]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.742154]  ? check_preemption_disabled+0x48/0x280
[  348.747179]  filemap_fault+0x1595/0x25f0
[  348.751260]  ? __lock_page_or_retry+0xa00/0xa00
[  348.755932]  ? mark_held_locks+0x130/0x130
[  348.760178]  ? filemap_map_pages+0xd6b/0x1a20
[  348.764689]  ? lock_downgrade+0x900/0x900
[  348.768841]  ? check_preemption_disabled+0x48/0x280
[  348.773868]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  348.778797]  ? kasan_check_read+0x11/0x20
[  348.782947]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  348.788224]  ? rcu_softirq_qs+0x20/0x20
[  348.792217]  ? filemap_map_pages+0xd92/0x1a20
[  348.796724]  ? __lock_acquire+0x62f/0x4c20
[  348.800969]  ? find_get_entries_tag+0x1400/0x1400
[  348.805836]  ? lock_acquire+0x1ed/0x520
[  348.809819]  ? ext4_filemap_fault+0x7a/0xad
[  348.814150]  ? lock_release+0xa00/0xa00
[  348.818129]  ? perf_trace_sched_process_exec+0x860/0x860
[  348.823588]  ? print_usage_bug+0xc0/0xc0
[  348.827654]  ? print_usage_bug+0xc0/0xc0
[  348.831739]  ? down_read+0x8d/0x120
[  348.835367]  ? ext4_filemap_fault+0x7a/0xad
[  348.839705]  ? __down_interruptible+0x700/0x700
[  348.844397]  ext4_filemap_fault+0x82/0xad
[  348.848550]  __do_fault+0x100/0x6b0
[  348.852186]  ? pmd_devmap_trans_unstable+0x220/0x220
[  348.857305]  ? mark_held_locks+0x130/0x130
[  348.861543]  ? mark_held_locks+0x130/0x130
[  348.865793]  ? __might_fault+0x12b/0x1e0
[  348.869856]  ? lock_downgrade+0x900/0x900
[  348.874017]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.879560]  __handle_mm_fault+0x3ea6/0x5be0
[  348.883977]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  348.888828]  ? kasan_check_read+0x11/0x20
[  348.892978]  ? _copy_to_user+0xc8/0x110
[  348.896958]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.902510]  ? zap_class+0x640/0x640
[  348.906228]  ? zap_class+0x640/0x640
[  348.909949]  ? find_held_lock+0x36/0x1c0
[  348.914023]  ? handle_mm_fault+0x42a/0xc70
[  348.918261]  ? lock_downgrade+0x900/0x900
[  348.922410]  ? check_preemption_disabled+0x48/0x280
[  348.927429]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  348.932361]  ? kasan_check_read+0x11/0x20
[  348.936508]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  348.941784]  ? rcu_softirq_qs+0x20/0x20
[  348.945762]  ? trace_hardirqs_off_caller+0x310/0x310
[  348.950872]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.956409]  ? check_preemption_disabled+0x48/0x280
[  348.961441]  handle_mm_fault+0x54f/0xc70
[  348.965511]  ? __handle_mm_fault+0x5be0/0x5be0
[  348.970099]  ? find_vma+0x34/0x190
[  348.973648]  __do_page_fault+0x5e8/0xe60
[  348.977720]  ? trace_hardirqs_off+0xb8/0x310
[  348.982128]  ? retint_kernel+0x2d/0x2d
[  348.986025]  do_page_fault+0xf2/0x7e0
[  348.989827]  ? vmalloc_sync_all+0x30/0x30
[  348.993973]  ? error_entry+0x70/0xd0
[  348.997701]  ? trace_hardirqs_off_caller+0xbb/0x310
[  349.002720]  ? trace_hardirqs_on_caller+0xc0/0x310
[  349.007663]  ? syscall_return_slowpath+0x5e0/0x5e0
[  349.012597]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  349.017440]  ? trace_hardirqs_on_caller+0x310/0x310
[  349.022456]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  349.027909]  ? prepare_exit_to_usermode+0x291/0x3b0
[  349.032943]  ? page_fault+0x8/0x30
[  349.036487]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  349.041332]  ? page_fault+0x8/0x30
[  349.044873]  page_fault+0x1e/0x30
[  349.048327] RIP: 0033:0x45d911
[  349.051536] Code: Bad RIP value.
[  349.054897] RSP: 002b:000000c420035f18 EFLAGS: 00010246
[  349.060259] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 000000000045d911
[  349.067551] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  349.074819] RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
[  349.082083] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  349.089350] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  349.096647] CPU: 0 PID: 11721 Comm: syz-executor5 Not tainted 4.19.0+ #74
[  349.096652] warn_alloc_show_mem: 1 callbacks suppressed
[  349.096659] Mem-Info:
[  349.103595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  349.103603] Call Trace:
[  349.108972] active_anon:50643 inactive_anon:847 isolated_anon:0
[  349.108972]  active_file:14 inactive_file:13 isolated_file:0
[  349.108972]  unevictable:0 dirty:0 writeback:0 unstable:0
[  349.108972]  slab_reclaimable:9230 slab_unreclaimable:1469886
[  349.108972]  mapped:49154 shmem:854 pagetables:629 bounce:0
[  349.108972]  free:13794 free_pcp:158 free_cma:0
[  349.111342]  <IRQ>
[  349.120711] Node 0 active_anon:202572kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3416kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  349.123293]  dump_stack+0x244/0x39d
[  349.156150] 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
[  349.158298]  ? dump_stack_print_info.cold.1+0x20/0x20
[  349.185951] lowmem_reserve[]: 0 2818 6321 6321
[  349.189588]  warn_alloc.cold.116+0xb7/0x1bd
[  349.215664] Node 0 DMA32 free:25280kB min:30052kB low:37564kB high:45076kB active_anon:236kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  349.220863]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  349.225415] lowmem_reserve[]: 0 0 3503 3503
[  349.229735]  ? lock_downgrade+0x900/0x900
[  349.257213] Node 0 Normal free:13988kB min:37364kB low:46704kB high:56044kB active_anon:202336kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:412kB local_pcp:252kB free_cma:0kB
[  349.262053]  ? trace_hardirqs_off+0xb8/0x310
[  349.266343] lowmem_reserve[]: 0 0 0 0
[  349.270485]  ? trace_hardirqs_off+0xb8/0x310
[  349.299432] 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
[  349.303845]  __alloc_pages_slowpath+0x26e8/0x2e10
[  349.307617] Node 0 DMA32: 2*4kB (H) 3*8kB (UMH) 2*16kB (M) 2*32kB (MH) 5*64kB (MH) 4*128kB (M) 5*256kB (MH) 5*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 25280kB
[  349.312045]  ? warn_alloc+0x120/0x120
[  349.325520] Node 0 Normal: 737*4kB (UMEH) 442*8kB (UME) 213*16kB (UME) 70*32kB (UME) 7*64kB (UMH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13988kB
[  349.330363]  ? warn_alloc+0x120/0x120
[  349.345778] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  349.349571]  ? warn_alloc+0x120/0x120
[  349.364899] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  349.368704]  ? print_usage_bug+0xc0/0xc0
[  349.377508] 881 total pagecache pages
[  349.381308]  ? print_usage_bug+0xc0/0xc0
[  349.389867] 0 pages in swap cache
[  349.393921]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  349.397705] Swap cache stats: add 0, delete 0, find 0/0
[  349.401757]  ? should_fail+0x22d/0xd01
[  349.405182] Free swap  = 0kB
[  349.410721]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  349.416057] Total swap = 0kB
[  349.419942]  ? __lock_acquire+0x62f/0x4c20
[  349.422932] 1965979 pages RAM
[  349.428027]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  349.431018] 0 pages HighMem/MovableOnly
[  349.435242]  ? __lock_acquire+0x62f/0x4c20
[  349.435258]  ? should_fail+0x22d/0xd01
[  349.438345] 342858 pages reserved
[  349.443446]  ? mark_held_locks+0x130/0x130
[  349.447388] 0 pages cma reserved
[  349.451706]  ? mark_held_locks+0x130/0x130
[  349.455742] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  349.459014]  ? __lock_is_held+0xb5/0x140
[  349.463230] syz-fuzzer cpuset=/ mems_allowed=0
[  349.466589]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  349.494627]  ? zap_class+0x640/0x640
[  349.498347]  ? print_usage_bug+0xc0/0xc0
[  349.502415]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.507957]  ? check_preemption_disabled+0x48/0x280
[  349.512989]  ? __lock_is_held+0xb5/0x140
[  349.517061]  __alloc_pages_nodemask+0xa80/0xde0
[  349.521737]  ? zap_class+0x640/0x640
[  349.525457]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  349.530488]  ? find_held_lock+0x36/0x1c0
[  349.534560]  ? ____cache_alloc_node+0x1c7/0x1e0
[  349.539229]  ? lock_downgrade+0x900/0x900
[  349.543384]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.548928]  cache_grow_begin+0xa5/0x8c0
[  349.552990]  ? do_raw_spin_unlock+0xa7/0x330
[  349.557404]  fallback_alloc+0x204/0x2e0
[  349.561386]  ____cache_alloc_node+0x1c7/0x1e0
[  349.565887]  kmem_cache_alloc_node+0xe3/0x730
[  349.570381]  ? ipv6_get_ifaddr+0x42e/0x620
[  349.574628]  __alloc_skb+0x119/0x770
[  349.578339]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  349.583622]  ? netdev_alloc_frag+0x1f0/0x1f0
[  349.588031]  ? lock_downgrade+0x900/0x900
[  349.592193]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.597733]  ? refcount_sub_and_test_checked+0x203/0x310
[  349.603187]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  349.608636]  ? addrconf_rs_timer+0x690/0x690
[  349.613061]  ndisc_alloc_skb+0x144/0x340
[  349.617129]  ndisc_send_rs+0x331/0x6e0
[  349.621024]  addrconf_rs_timer+0x314/0x690
[  349.625261]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.629507]  call_timer_fn+0x272/0x920
[  349.633396]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.637633]  ? process_timeout+0x40/0x40
[  349.641717]  ? __run_timers+0x7da/0xc70
[  349.645707]  ? _raw_spin_unlock_irq+0x27/0x80
[  349.650203]  ? _raw_spin_unlock_irq+0x27/0x80
[  349.654711]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.658953]  ? lockdep_hardirqs_on+0x296/0x5b0
[  349.663541]  ? trace_hardirqs_on+0xbd/0x310
[  349.667865]  ? kasan_check_read+0x11/0x20
[  349.672012]  ? __run_timers+0x7da/0xc70
[  349.675989]  ? trace_hardirqs_off_caller+0x310/0x310
[  349.681098]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.685336]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.689570]  __run_timers+0x7e5/0xc70
[  349.693383]  ? timer_fixup_init+0x70/0x70
[  349.697534]  ? kasan_check_read+0x11/0x20
[  349.701697]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  349.706980]  ? rcu_softirq_qs+0x20/0x20
[  349.710957]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.716497]  ? check_preemption_disabled+0x48/0x280
[  349.721521]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  349.726282]  ? retint_kernel+0x2d/0x2d
[  349.730172]  ? trace_hardirqs_on_caller+0xc0/0x310
[  349.735103]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  349.739863]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  349.745318]  ? zap_class+0x640/0x640
[  349.749044]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.754582]  ? check_preemption_disabled+0x48/0x280
[  349.759609]  ? __lock_is_held+0xb5/0x140
[  349.763672]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.769222]  ? check_preemption_disabled+0x48/0x280
[  349.774754]  run_timer_softirq+0x52/0xb0
[  349.778818]  ? rcu_read_lock_sched_held+0x14f/0x180
[  349.783837]  __do_softirq+0x308/0xb7e
[  349.787645]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  349.792142]  ? lock_downgrade+0x900/0x900
[  349.796293]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  349.801411]  ? pvclock_read_flags+0x160/0x160
[  349.805914]  ? lapic_next_event+0x5a/0x90
[  349.810069]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.815616]  ? kvm_clock_read+0x18/0x30
[  349.819593]  ? kvm_sched_clock_read+0x9/0x20
[  349.824011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.829560]  ? check_preemption_disabled+0x48/0x280
[  349.834591]  irq_exit+0x17f/0x1c0
[  349.838056]  smp_apic_timer_interrupt+0x1cb/0x760
[  349.842903]  ? smp_reschedule_interrupt+0x109/0x650
[  349.847929]  ? smp_call_function_single_interrupt+0x650/0x650
[  349.853821]  ? interrupt_entry+0xb5/0xc0
[  349.858012]  ? trace_hardirqs_off_caller+0xbb/0x310
[  349.863051]  ? trace_hardirqs_off_caller+0xbb/0x310
[  349.868083]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  349.872935]  ? trace_hardirqs_on_caller+0x310/0x310
[  349.877959]  ? trace_hardirqs_on_caller+0x310/0x310
[  349.882986]  ? task_prio+0x50/0x50
[  349.886534]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.892089]  ? check_preemption_disabled+0x48/0x280
[  349.897118]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  349.902343]  apic_timer_interrupt+0xf/0x20
[  349.906574]  </IRQ>
[  349.908821] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  349.913757] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 14
[  349.932669] RSP: 0000:ffff8801bf14f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  349.940435] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  349.947720] RDX: 0000000000000000 RSI: ffff8801b68a4c40 RDI: 0000000000000286
[  349.954997] RBP: ffff8801bf14f7a0 R08: ffff8801b68a43c0 R09: 0000000000000000
[  349.962286] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  349.969564] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  349.976886]  skb_clone+0x1bb/0x500
[  349.980453]  ? finish_task_switch+0x2f4/0x910
[  349.984963]  ? skb_split+0x11e0/0x11e0
[  349.988860]  ? preempt_notifier_register+0x200/0x200
[  349.993970]  ? __switch_to_asm+0x34/0x70
[  349.998039]  ? __switch_to_asm+0x34/0x70
[  350.002104]  ? __switch_to_asm+0x40/0x70
[  350.006172]  ? __switch_to_asm+0x34/0x70
[  350.010249]  ? __switch_to_asm+0x40/0x70
[  350.014310]  ? __switch_to_asm+0x34/0x70
[  350.018370]  ? __switch_to_asm+0x40/0x70
[  350.022431]  ? __switch_to_asm+0x34/0x70
[  350.026498]  ? __switch_to_asm+0x34/0x70
[  350.030558]  ? __switch_to_asm+0x40/0x70
[  350.034619]  ? __switch_to_asm+0x34/0x70
[  350.038701]  bpf_clone_redirect+0xb9/0x490
[  350.042944]  ? __schedule+0x8d7/0x21d0
[  350.046841]  bpf_prog_bebbfe2050753572+0x6c2/0x1000
[  350.051860]  ? __sched_text_start+0x8/0x8
[  350.056009]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  350.060772]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  350.065355]  ? retint_kernel+0x2d/0x2d
[  350.069249]  ? find_held_lock+0x36/0x1c0
[  350.073325]  ? lock_acquire+0x1ed/0x520
[  350.077299]  ? bpf_test_run+0x3cb/0x780
[  350.081280]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.086820]  ? check_preemption_disabled+0x48/0x280
[  350.091843]  ? kasan_check_read+0x11/0x20
[  350.095996]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  350.101278]  ? rcu_softirq_qs+0x20/0x20
[  350.105256]  ? preempt_schedule+0x4d/0x60
[  350.109404]  ? ___preempt_schedule+0x16/0x18
[  350.113820]  ? bpf_test_run+0x25d/0x780
[  350.117807]  ? netlink_diag_dump+0x2a0/0x2a0
[  350.122224]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  350.127760]  ? bpf_test_init.isra.10+0x70/0x100
[  350.132434]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  350.137199]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  350.142045]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  350.147585]  ? fput+0x130/0x1a0
[  350.150874]  ? __bpf_prog_get+0x9b/0x290
[  350.154942]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  350.159785]  ? bpf_prog_test_run+0x130/0x1a0
[  350.164200]  ? __x64_sys_bpf+0x3d8/0x520
[  350.168260]  ? bpf_prog_get+0x20/0x20
[  350.172086]  ? do_syscall_64+0x1b9/0x820
[  350.176147]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  350.181517]  ? syscall_return_slowpath+0x5e0/0x5e0
[  350.186453]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  350.191302]  ? trace_hardirqs_on_caller+0x310/0x310
[  350.196320]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  350.201338]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.206894]  ? prepare_exit_to_usermode+0x291/0x3b0
[  350.212716]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  350.217576]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  350.222960] CPU: 1 PID: 5666 Comm: syz-fuzzer Not tainted 4.19.0+ #74
[  350.223031] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  350.229541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  350.229551] Call Trace:
[  350.236126] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  350.245465]  <IRQ>
[  350.248035] syz-executor5 cpuset=syz5 mems_allowed=0
[  350.258517]  dump_stack+0x244/0x39d
[  350.269353]  ? dump_stack_print_info.cold.1+0x20/0x20
[  350.274559]  warn_alloc.cold.116+0xb7/0x1bd
[  350.278888]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  350.283744]  ? lock_downgrade+0x900/0x900
[  350.287904]  ? trace_hardirqs_off+0xb8/0x310
[  350.292318]  ? trace_hardirqs_off+0xb8/0x310
[  350.296739]  __alloc_pages_slowpath+0x26e8/0x2e10
[  350.301614]  ? warn_alloc+0x120/0x120
[  350.305424]  ? print_usage_bug+0xc0/0xc0
[  350.309489]  ? warn_alloc+0x120/0x120
[  350.313293]  ? alloc_pages_current+0x173/0x350
[  350.317905]  ? warn_alloc+0x120/0x120
[  350.321709]  ? zap_class+0x640/0x640
[  350.325424]  ? print_usage_bug+0xc0/0xc0
[  350.329495]  ? print_usage_bug+0xc0/0xc0
[  350.333561]  ? __lock_acquire+0x62f/0x4c20
[  350.337803]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  350.343341]  ? should_fail+0x22d/0xd01
[  350.347237]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  350.352345]  ? __lock_acquire+0x62f/0x4c20
[  350.356586]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  350.361712]  ? __lock_acquire+0x62f/0x4c20
[  350.365946]  ? should_fail+0x22d/0xd01
[  350.369845]  ? mark_held_locks+0x130/0x130
[  350.374102]  ? mark_held_locks+0x130/0x130
[  350.378345]  ? ip6_finish_output2+0x1d6b/0x27a0
[  350.383022]  ? __kfree_skb+0x20/0x20
[  350.386736]  ? lockdep_hardirqs_on+0x296/0x5b0
[  350.391320]  ? zap_class+0x640/0x640
[  350.395034]  ? print_usage_bug+0xc0/0xc0
[  350.399106]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.404648]  ? check_preemption_disabled+0x48/0x280
[  350.409690]  ? __lock_is_held+0xb5/0x140
[  350.413764]  __alloc_pages_nodemask+0xa80/0xde0
[  350.418433]  ? zap_class+0x640/0x640
[  350.422154]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  350.427186]  ? find_held_lock+0x36/0x1c0
[  350.431268]  ? ____cache_alloc_node+0x1c7/0x1e0
[  350.435943]  ? lock_downgrade+0x900/0x900
[  350.440099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.445649]  cache_grow_begin+0xa5/0x8c0
[  350.449724]  ? do_raw_spin_unlock+0xa7/0x330
[  350.454143]  fallback_alloc+0x204/0x2e0
[  350.458129]  ____cache_alloc_node+0x1c7/0x1e0
[  350.462631]  kmem_cache_alloc_node+0xe3/0x730
[  350.467127]  ? ipv6_get_ifaddr+0x42e/0x620
[  350.471403]  __alloc_skb+0x119/0x770
[  350.475119]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  350.480402]  ? netdev_alloc_frag+0x1f0/0x1f0
[  350.484843]  ? lock_downgrade+0x900/0x900
[  350.489006]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.494546]  ? refcount_sub_and_test_checked+0x203/0x310
[  350.500003]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  350.505453]  ? addrconf_rs_timer+0x690/0x690
[  350.509879]  ndisc_alloc_skb+0x144/0x340
[  350.513949]  ndisc_send_rs+0x331/0x6e0
[  350.517843]  addrconf_rs_timer+0x314/0x690
[  350.522090]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.526341]  call_timer_fn+0x272/0x920
[  350.530232]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.534475]  ? process_timeout+0x40/0x40
[  350.538553]  ? mark_held_locks+0xc7/0x130
[  350.542716]  ? _raw_spin_unlock_irq+0x27/0x80
[  350.547225]  ? _raw_spin_unlock_irq+0x27/0x80
[  350.551721]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.555958]  ? lockdep_hardirqs_on+0x296/0x5b0
[  350.560563]  ? trace_hardirqs_on+0xbd/0x310
[  350.564888]  ? kasan_check_read+0x11/0x20
[  350.569034]  ? __run_timers+0x7da/0xc70
[  350.573020]  ? trace_hardirqs_off_caller+0x310/0x310
[  350.578133]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.582374]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.586608]  __run_timers+0x7e5/0xc70
[  350.590419]  ? timer_fixup_init+0x70/0x70
[  350.594573]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  350.599593]  ? zap_class+0x640/0x640
[  350.603316]  ? print_usage_bug+0xc0/0xc0
[  350.607379]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  350.612581]  ? find_held_lock+0x36/0x1c0
[  350.616652]  ? zap_class+0x640/0x640
[  350.620382]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.625924]  ? check_preemption_disabled+0x48/0x280
[  350.630951]  ? __lock_is_held+0xb5/0x140
[  350.635015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.640557]  ? check_preemption_disabled+0x48/0x280
[  350.645582]  run_timer_softirq+0x52/0xb0
[  350.649643]  ? rcu_read_lock_sched_held+0x14f/0x180
[  350.654658]  __do_softirq+0x308/0xb7e
[  350.658468]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  350.662964]  ? lock_downgrade+0x900/0x900
[  350.667118]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  350.672239]  ? pvclock_read_flags+0x160/0x160
[  350.676740]  ? lapic_next_event+0x5a/0x90
[  350.680895]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.686439]  ? kvm_clock_read+0x18/0x30
[  350.690416]  ? kvm_sched_clock_read+0x9/0x20
[  350.694829]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  350.700368]  ? check_preemption_disabled+0x48/0x280
[  350.705399]  irq_exit+0x17f/0x1c0
[  350.708857]  smp_apic_timer_interrupt+0x1cb/0x760
[  350.713706]  ? smp_reschedule_interrupt+0x109/0x650
[  350.718733]  ? smp_call_function_single_interrupt+0x650/0x650
[  350.724619]  ? interrupt_entry+0xb5/0xc0
[  350.728707]  ? trace_hardirqs_off_caller+0xbb/0x310
[  350.733726]  ? trace_hardirqs_off_caller+0xbb/0x310
[  350.738742]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  350.743587]  ? trace_hardirqs_on_caller+0x310/0x310
[  350.748601]  ? trace_hardirqs_on_caller+0x310/0x310
[  350.753637]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  350.758487]  apic_timer_interrupt+0xf/0x20
[  350.762721]  </IRQ>
[  350.764958] RIP: 0010:dump_stack+0x358/0x39d
[  350.769366] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 a1 9c fd f9 48 83 3d 29 00 8d 01 00 0f 84 63 fe ff ff e8 ee 69 ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db 69 ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  350.788267] RSP: 0000:ffff8801b9cce1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  350.795972] RAX: ffff8801d71b2040 RBX: 1ffffffff12a3f46 RCX: 1ffff1003ae36526
[  350.803241] RDX: 0000000000000000 RSI: ffffffff87c4fa12 RDI: 0000000000000293
[  350.810509] RBP: ffff8801b9cce290 R08: ffff8801d71b2930 R09: 0000000000000006
[  350.817777] R10: 0000000000000000 R11: ffff8801d71b2040 R12: 1ffff10037399c45
[  350.825046] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  350.832335]  ? dump_stack+0x34f/0x39d
[  350.836154]  ? dump_stack_print_info.cold.1+0x20/0x20
[  350.841357]  ? mark_held_locks+0x130/0x130
[  350.845598]  ? mark_held_locks+0x130/0x130
[  350.849839]  dump_header+0x27b/0xf72
[  350.853570]  ? pagefault_out_of_memory+0x197/0x197
[  350.858512]  ? __lock_acquire+0x62f/0x4c20
[  350.862750]  ? percpu_ref_get_many+0x240/0x240
[  350.867339]  ? print_usage_bug+0xc0/0xc0
[  350.871408]  ? zap_class+0x640/0x640
[  350.875124]  ? print_usage_bug+0xc0/0xc0
[  350.879189]  ? print_usage_bug+0xc0/0xc0
[  350.883258]  ? zap_class+0x640/0x640
[  350.886976]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.892523]  ? find_held_lock+0x36/0x1c0
[  350.896597]  ? mark_held_locks+0xc7/0x130
[  350.900752]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  350.905856]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  350.910961]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  350.915546]  ? trace_hardirqs_on+0xbd/0x310
[  350.919870]  ? kasan_check_read+0x11/0x20
[  350.924023]  ? ___ratelimit+0x3b4/0x672
[  350.928002]  ? trace_hardirqs_off_caller+0x310/0x310
[  350.933109]  ? trace_hardirqs_on+0x310/0x310
[  350.937608]  ? lock_downgrade+0x900/0x900
[  350.941769]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  350.946880]  ? ___ratelimit+0x3b9/0x672
[  350.950858]  ? idr_get_free+0xf80/0xf80
[  350.954857]  ? find_held_lock+0x36/0x1c0
[  350.958930]  oom_kill_process.cold.27+0x10/0x903
[  350.963693]  ? zap_class+0x640/0x640
[  350.967412]  ? check_preemption_disabled+0x48/0x280
[  350.972435]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  350.977365]  ? kasan_check_read+0x11/0x20
[  350.981543]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  350.986826]  ? oom_evaluate_task+0x540/0x540
[  350.991245]  ? find_held_lock+0x36/0x1c0
[  350.995319]  ? out_of_memory+0x974/0x1430
[  350.999481]  ? lock_downgrade+0x900/0x900
[  351.003630]  ? check_preemption_disabled+0x48/0x280
[  351.008652]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  351.013590]  ? kasan_check_read+0x11/0x20
[  351.017742]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  351.023019]  ? rcu_softirq_qs+0x20/0x20
[  351.026998]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  351.032536]  ? oom_evaluate_task+0x302/0x540
[  351.036951]  out_of_memory+0xa84/0x1430
[  351.040934]  ? oom_killer_disable+0x3a0/0x3a0
[  351.045431]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  351.050365]  ? __ww_mutex_check_waiters+0x160/0x160
[  351.055393]  __alloc_pages_slowpath+0x2354/0x2e10
[  351.060272]  ? warn_alloc+0x120/0x120
[  351.064075]  ? mark_held_locks+0x130/0x130
[  351.068317]  ? find_get_entry+0xaae/0x1120
[  351.072562]  ? filemap_map_pages+0x1a20/0x1a20
[  351.077157]  ? zap_class+0x640/0x640
[  351.080892]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.086438]  ? check_preemption_disabled+0x48/0x280
[  351.091459]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  351.096996]  ? should_fail+0x22d/0xd01
[  351.100891]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  351.105998]  ? zap_class+0x640/0x640
[  351.109745]  ? __lock_is_held+0xb5/0x140
[  351.113825]  ? mark_held_locks+0x130/0x130
[  351.118068]  ? lock_release+0xa00/0xa00
[  351.122047]  ? perf_trace_sched_process_exec+0x860/0x860
[  351.127499]  ? xa_load+0x2ba/0x460
[  351.131042]  ? lock_downgrade+0x900/0x900
[  351.135202]  ? __might_sleep+0x95/0x190
[  351.139184]  __alloc_pages_nodemask+0xa80/0xde0
[  351.143870]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  351.148891]  ? __page_cache_alloc+0x191/0x5c0
[  351.153384]  ? xa_load+0x2e1/0x460
[  351.156928]  ? xa_clear_mark+0x40/0x40
[  351.160820]  ? zap_class+0x640/0x640
[  351.164541]  ? zap_class+0x640/0x640
[  351.168259]  ? zap_class+0x640/0x640
[  351.171973]  ? __do_page_cache_readahead+0x663/0x810
[  351.177082]  ? find_held_lock+0x36/0x1c0
[  351.181155]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  351.186708]  alloc_pages_current+0x173/0x350
[  351.191222]  __page_cache_alloc+0x38c/0x5c0
[  351.195541]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  351.200473]  ? kasan_check_read+0x11/0x20
[  351.204622]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  351.209908]  ? generic_perform_write+0x6a0/0x6a0
[  351.214671]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  351.220224]  ? check_preemption_disabled+0x48/0x280
[  351.225253]  filemap_fault+0x1595/0x25f0
[  351.229327]  ? __lock_page_or_retry+0xa00/0xa00
[  351.234038]  ? mark_held_locks+0x130/0x130
[  351.238287]  ? filemap_map_pages+0xd6b/0x1a20
[  351.242786]  ? lock_downgrade+0x900/0x900
[  351.246945]  ? check_preemption_disabled+0x48/0x280
[  351.251963]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  351.256893]  ? kasan_check_read+0x11/0x20
[  351.261043]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  351.266321]  ? rcu_softirq_qs+0x20/0x20
[  351.270310]  ? filemap_map_pages+0xd92/0x1a20
[  351.274808]  ? __lock_acquire+0x62f/0x4c20
[  351.279051]  ? find_get_entries_tag+0x1400/0x1400
[  351.283914]  ? lock_acquire+0x1ed/0x520
[  351.287904]  ? ext4_filemap_fault+0x7a/0xad
[  351.292320]  ? lock_release+0xa00/0xa00
[  351.296297]  ? perf_trace_sched_process_exec+0x860/0x860
[  351.301756]  ? print_usage_bug+0xc0/0xc0
[  351.305821]  ? print_usage_bug+0xc0/0xc0
[  351.309899]  ? down_read+0x8d/0x120
[  351.313525]  ? ext4_filemap_fault+0x7a/0xad
[  351.317847]  ? __down_interruptible+0x700/0x700
[  351.322531]  ext4_filemap_fault+0x82/0xad
[  351.326690]  __do_fault+0x100/0x6b0
[  351.330325]  ? pmd_devmap_trans_unstable+0x220/0x220
[  351.335442]  ? mark_held_locks+0x130/0x130
[  351.339679]  ? mark_held_locks+0x130/0x130
[  351.343922]  ? __might_fault+0x12b/0x1e0
[  351.347991]  ? lock_downgrade+0x900/0x900
[  351.352144]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  351.357692]  __handle_mm_fault+0x3ea6/0x5be0
[  351.362114]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  351.366964]  ? kasan_check_read+0x11/0x20
[  351.371113]  ? _copy_to_user+0xc8/0x110
[  351.375098]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  351.380647]  ? zap_class+0x640/0x640
[  351.384367]  ? zap_class+0x640/0x640
[  351.388087]  ? find_held_lock+0x36/0x1c0
[  351.392162]  ? handle_mm_fault+0x42a/0xc70
[  351.396404]  ? lock_downgrade+0x900/0x900
[  351.400557]  ? check_preemption_disabled+0x48/0x280
[  351.405577]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  351.410511]  ? kasan_check_read+0x11/0x20
[  351.414661]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  351.419947]  ? rcu_softirq_qs+0x20/0x20
[  351.423920]  ? trace_hardirqs_off_caller+0x310/0x310
[  351.429112]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  351.434653]  ? check_preemption_disabled+0x48/0x280
[  351.439693]  handle_mm_fault+0x54f/0xc70
[  351.443768]  ? __handle_mm_fault+0x5be0/0x5be0
[  351.448360]  ? find_vma+0x34/0x190
[  351.451916]  __do_page_fault+0x5e8/0xe60
[  351.455979]  ? trace_hardirqs_off+0xb8/0x310
[  351.460390]  ? retint_kernel+0x2d/0x2d
[  351.464290]  do_page_fault+0xf2/0x7e0
[  351.468096]  ? vmalloc_sync_all+0x30/0x30
[  351.472248]  ? error_entry+0x70/0xd0
[  351.475965]  ? trace_hardirqs_off_caller+0xbb/0x310
[  351.480979]  ? trace_hardirqs_on_caller+0xc0/0x310
[  351.485910]  ? syscall_return_slowpath+0x5e0/0x5e0
[  351.490841]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  351.495692]  ? trace_hardirqs_on_caller+0x310/0x310
[  351.500714]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  351.506170]  ? prepare_exit_to_usermode+0x291/0x3b0
[  351.511200]  ? page_fault+0x8/0x30
[  351.514749]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  351.519600]  ? page_fault+0x8/0x30
[  351.523146]  page_fault+0x1e/0x30
[  351.526598] RIP: 0033:0x45d911
[  351.529802] Code: Bad RIP value.
[  351.533162] RSP: 002b:000000c420035f18 EFLAGS: 00010246
[  351.538523] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 000000000045d911
[  351.545791] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  351.553061] RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
[  351.560326] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  351.567590] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  351.574892] CPU: 0 PID: 11721 Comm: syz-executor5 Not tainted 4.19.0+ #74
[  351.574898] warn_alloc_show_mem: 1 callbacks suppressed
[  351.574905] Mem-Info:
[  351.581830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  351.587201] active_anon:50643 inactive_anon:847 isolated_anon:0
[  351.587201]  active_file:14 inactive_file:13 isolated_file:0
[  351.587201]  unevictable:0 dirty:0 writeback:0 unstable:0
[  351.587201]  slab_reclaimable:9230 slab_unreclaimable:1469886
[  351.587201]  mapped:49154 shmem:854 pagetables:629 bounce:0
[  351.587201]  free:13794 free_pcp:158 free_cma:0
[  351.589564] Call Trace:
[  351.598954] Node 0 active_anon:202572kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3416kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  351.631806]  <IRQ>
[  351.634379] 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
[  351.662050]  dump_stack+0x244/0x39d
[  351.664182] lowmem_reserve[]: 0 2818 6321 6321
[  351.690296]  ? dump_stack_print_info.cold.1+0x20/0x20
[  351.693893] Node 0 DMA32 free:25280kB min:30052kB low:37564kB high:45076kB active_anon:236kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  351.698482]  warn_alloc.cold.116+0xb7/0x1bd
[  351.703631] lowmem_reserve[]: 0 0 3503 3503
[  351.731145]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  351.735438] Node 0 Normal free:13988kB min:37364kB low:46704kB high:56044kB active_anon:202336kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:412kB local_pcp:252kB free_cma:0kB
[  351.739761]  ? lock_downgrade+0x900/0x900
[  351.744572] lowmem_reserve[]: 0 0 0 0
[  351.774072]  ? trace_hardirqs_off+0xb8/0x310
[  351.778198] 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
[  351.781991]  ? trace_hardirqs_off+0xb8/0x310
[  351.786368] Node 0 DMA32: 2*4kB (H) 3*8kB (UMH) 2*16kB (M) 2*32kB (MH) 5*64kB (MH) 4*128kB (M) 5*256kB (MH) 5*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 25280kB
[  351.799898]  __alloc_pages_slowpath+0x26e8/0x2e10
[  351.804277] Node 0 Normal: 737*4kB (UMEH) 442*8kB (UME) 213*16kB (UME) 70*32kB (UME) 7*64kB (UMH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13988kB
[  351.819747]  ? warn_alloc+0x120/0x120
[  351.824545] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  351.839885]  ? print_usage_bug+0xc0/0xc0
[  351.843665] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  351.852497]  ? warn_alloc+0x120/0x120
[  351.856531] 881 total pagecache pages
[  351.865472]  ? warn_alloc+0x120/0x120
[  351.869256] 0 pages in swap cache
[  351.873042]  ? print_usage_bug+0xc0/0xc0
[  351.876821] Swap cache stats: add 0, delete 0, find 0/0
[  351.880270]  ? kvm_clock_read+0x18/0x30
[  351.884303] Free swap  = 0kB
[  351.889658]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  351.893609] Total swap = 0kB
[  351.896622]  ? print_usage_bug+0xc0/0xc0
[  351.901609] 1965979 pages RAM
[  351.904810]  ? __lock_acquire+0x62f/0x4c20
[  351.908847] 0 pages HighMem/MovableOnly
[  351.911952]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  351.916156] 342858 pages reserved
[  351.916164] 0 pages cma reserved
[  351.920129]  ? should_fail+0x22d/0xd01
[  351.925709] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  351.929077]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  351.929095]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  351.932554] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  351.936337]  ? __lock_acquire+0x62f/0x4c20
[  351.942806] syz-fuzzer cpuset=/ mems_allowed=0
[  351.948076]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  351.977237]  ? __lock_acquire+0x62f/0x4c20
[  351.981474]  ? should_fail+0x22d/0xd01
[  351.985358]  ? rcu_irq_exit+0x1a2/0x390
[  351.989346]  ? mark_held_locks+0x130/0x130
[  351.993590]  ? mark_held_locks+0x130/0x130
[  351.997833]  ? mark_held_locks+0xc7/0x130
[  352.001982]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  352.006998]  ? zap_class+0x640/0x640
[  352.010719]  ? print_usage_bug+0xc0/0xc0
[  352.014785]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.020328]  ? check_preemption_disabled+0x48/0x280
[  352.025362]  ? __lock_is_held+0xb5/0x140
[  352.029432]  __alloc_pages_nodemask+0xa80/0xde0
[  352.034101]  ? zap_class+0x640/0x640
[  352.037824]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  352.042852]  ? find_held_lock+0x36/0x1c0
[  352.046923]  ? ____cache_alloc_node+0x1c7/0x1e0
[  352.051592]  ? lock_downgrade+0x900/0x900
[  352.055756]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.061300]  cache_grow_begin+0xa5/0x8c0
[  352.065359]  ? do_raw_spin_unlock+0xa7/0x330
[  352.069777]  fallback_alloc+0x204/0x2e0
[  352.073759]  ____cache_alloc_node+0x1c7/0x1e0
[  352.078259]  kmem_cache_alloc_node+0xe3/0x730
[  352.082756]  ? ipv6_get_ifaddr+0x42e/0x620
[  352.087004]  __alloc_skb+0x119/0x770
[  352.090728]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  352.096026]  ? netdev_alloc_frag+0x1f0/0x1f0
[  352.100442]  ? lock_downgrade+0x900/0x900
[  352.104601]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.110139]  ? refcount_sub_and_test_checked+0x203/0x310
[  352.115593]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  352.121049]  ? addrconf_rs_timer+0x690/0x690
[  352.125467]  ndisc_alloc_skb+0x144/0x340
[  352.129532]  ndisc_send_rs+0x331/0x6e0
[  352.133429]  addrconf_rs_timer+0x314/0x690
[  352.137669]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  352.141927]  call_timer_fn+0x272/0x920
[  352.145812]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  352.150047]  ? process_timeout+0x40/0x40
[  352.154120]  ? __run_timers+0x7da/0xc70
[  352.158102]  ? _raw_spin_unlock_irq+0x27/0x80
[  352.162597]  ? _raw_spin_unlock_irq+0x27/0x80
[  352.167091]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  352.171326]  ? lockdep_hardirqs_on+0x296/0x5b0
[  352.175909]  ? trace_hardirqs_on+0xbd/0x310
[  352.180230]  ? kasan_check_read+0x11/0x20
[  352.184379]  ? __run_timers+0x7da/0xc70
[  352.188356]  ? trace_hardirqs_off_caller+0x310/0x310
[  352.193468]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  352.197716]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  352.201954]  __run_timers+0x7e5/0xc70
[  352.205765]  ? timer_fixup_init+0x70/0x70
[  352.209919]  ? kasan_check_read+0x11/0x20
[  352.214070]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  352.219348]  ? rcu_softirq_qs+0x20/0x20
[  352.223329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.228869]  ? check_preemption_disabled+0x48/0x280
[  352.233892]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  352.238653]  ? retint_kernel+0x2d/0x2d
[  352.242551]  ? trace_hardirqs_on_caller+0xc0/0x310
[  352.247483]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  352.252256]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  352.257721]  ? zap_class+0x640/0x640
[  352.261447]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.266983]  ? check_preemption_disabled+0x48/0x280
[  352.272009]  ? __lock_is_held+0xb5/0x140
[  352.276072]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.281611]  ? check_preemption_disabled+0x48/0x280
[  352.286633]  run_timer_softirq+0x52/0xb0
[  352.290708]  ? rcu_read_lock_sched_held+0x14f/0x180
[  352.295728]  __do_softirq+0x308/0xb7e
[  352.299533]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  352.304027]  ? lock_downgrade+0x900/0x900
[  352.308177]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  352.313290]  ? pvclock_read_flags+0x160/0x160
[  352.317819]  ? lapic_next_event+0x5a/0x90
[  352.321976]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.327526]  ? kvm_clock_read+0x18/0x30
[  352.331503]  ? kvm_sched_clock_read+0x9/0x20
[  352.335914]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.341455]  ? check_preemption_disabled+0x48/0x280
[  352.346481]  irq_exit+0x17f/0x1c0
[  352.349939]  smp_apic_timer_interrupt+0x1cb/0x760
[  352.354785]  ? smp_reschedule_interrupt+0x109/0x650
[  352.359810]  ? smp_call_function_single_interrupt+0x650/0x650
[  352.365706]  ? interrupt_entry+0xb5/0xc0
[  352.369774]  ? trace_hardirqs_off_caller+0xbb/0x310
[  352.374788]  ? trace_hardirqs_off_caller+0xbb/0x310
[  352.379807]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  352.384655]  ? trace_hardirqs_on_caller+0x310/0x310
[  352.389680]  ? trace_hardirqs_on_caller+0x310/0x310
[  352.394723]  ? task_prio+0x50/0x50
[  352.398270]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.403809]  ? check_preemption_disabled+0x48/0x280
[  352.408835]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  352.413709]  apic_timer_interrupt+0xf/0x20
[  352.417939]  </IRQ>
[  352.420180] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  352.425116] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 14
[  352.444110] RSP: 0000:ffff8801bf14f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  352.451821] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  352.459091] RDX: 0000000000000000 RSI: ffff8801b68a4c40 RDI: 0000000000000286
[  352.466359] RBP: ffff8801bf14f7a0 R08: ffff8801b68a43c0 R09: 0000000000000000
[  352.473625] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  352.480896] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  352.488211]  skb_clone+0x1bb/0x500
[  352.491758]  ? finish_task_switch+0x2f4/0x910
[  352.496255]  ? skb_split+0x11e0/0x11e0
[  352.500146]  ? preempt_notifier_register+0x200/0x200
[  352.505251]  ? __switch_to_asm+0x34/0x70
[  352.509400]  ? __switch_to_asm+0x34/0x70
[  352.513460]  ? __switch_to_asm+0x40/0x70
[  352.517520]  ? __switch_to_asm+0x34/0x70
[  352.521583]  ? __switch_to_asm+0x40/0x70
[  352.525646]  ? __switch_to_asm+0x34/0x70
[  352.529716]  ? __switch_to_asm+0x40/0x70
[  352.533779]  ? __switch_to_asm+0x34/0x70
[  352.537846]  ? __switch_to_asm+0x34/0x70
[  352.541906]  ? __switch_to_asm+0x40/0x70
[  352.545978]  ? __switch_to_asm+0x34/0x70
[  352.550046]  bpf_clone_redirect+0xb9/0x490
[  352.554281]  ? __schedule+0x8d7/0x21d0
[  352.558179]  bpf_prog_bebbfe2050753572+0x6c2/0x1000
[  352.563201]  ? __sched_text_start+0x8/0x8
[  352.567350]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  352.572124]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  352.576718]  ? retint_kernel+0x2d/0x2d
[  352.580612]  ? find_held_lock+0x36/0x1c0
[  352.584691]  ? lock_acquire+0x1ed/0x520
[  352.588673]  ? bpf_test_run+0x3cb/0x780
[  352.592666]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.598218]  ? check_preemption_disabled+0x48/0x280
[  352.603244]  ? kasan_check_read+0x11/0x20
[  352.607391]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  352.612668]  ? rcu_softirq_qs+0x20/0x20
[  352.616652]  ? preempt_schedule+0x4d/0x60
[  352.620809]  ? ___preempt_schedule+0x16/0x18
[  352.625223]  ? bpf_test_run+0x25d/0x780
[  352.629207]  ? netlink_diag_dump+0x2a0/0x2a0
[  352.633624]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  352.639161]  ? bpf_test_init.isra.10+0x70/0x100
[  352.643838]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  352.648605]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  352.653448]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  352.658985]  ? fput+0x130/0x1a0
[  352.662270]  ? __bpf_prog_get+0x9b/0x290
[  352.666337]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  352.671178]  ? bpf_prog_test_run+0x130/0x1a0
[  352.675608]  ? __x64_sys_bpf+0x3d8/0x520
[  352.679668]  ? bpf_prog_get+0x20/0x20
[  352.683504]  ? do_syscall_64+0x1b9/0x820
[  352.687568]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  352.692938]  ? syscall_return_slowpath+0x5e0/0x5e0
[  352.697872]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  352.702726]  ? trace_hardirqs_on_caller+0x310/0x310
[  352.707748]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  352.712764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.718302]  ? prepare_exit_to_usermode+0x291/0x3b0
[  352.723329]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  352.728195]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  352.733579] CPU: 1 PID: 5666 Comm: syz-fuzzer Not tainted 4.19.0+ #74
[  352.733650] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  352.740158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  352.740167] Call Trace:
[  352.746752] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  352.755990]  <IRQ>
[  352.758564] syz-executor5 cpuset=syz5 mems_allowed=0
[  352.769043]  dump_stack+0x244/0x39d
[  352.780331]  ? dump_stack_print_info.cold.1+0x20/0x20
[  352.785537]  warn_alloc.cold.116+0xb7/0x1bd
[  352.789869]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  352.794728]  ? lock_downgrade+0x900/0x900
[  352.798886]  ? trace_hardirqs_off+0xb8/0x310
[  352.803302]  ? trace_hardirqs_off+0xb8/0x310
[  352.807729]  __alloc_pages_slowpath+0x26e8/0x2e10
[  352.812605]  ? warn_alloc+0x120/0x120
[  352.816417]  ? print_usage_bug+0xc0/0xc0
[  352.820481]  ? warn_alloc+0x120/0x120
[  352.824292]  ? warn_alloc+0x120/0x120
[  352.828100]  ? print_usage_bug+0xc0/0xc0
[  352.832163]  ? kvm_clock_read+0x18/0x30
[  352.836146]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  352.841165]  ? print_usage_bug+0xc0/0xc0
[  352.845234]  ? __lock_acquire+0x62f/0x4c20
[  352.849475]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  352.855013]  ? should_fail+0x22d/0xd01
[  352.858904]  ? __lock_acquire+0x62f/0x4c20
[  352.863143]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  352.868250]  ? __lock_acquire+0x62f/0x4c20
[  352.872493]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  352.877595]  ? __lock_acquire+0x62f/0x4c20
[  352.881828]  ? should_fail+0x22d/0xd01
[  352.885733]  ? mark_held_locks+0x130/0x130
[  352.889981]  ? mark_held_locks+0x130/0x130
[  352.894227]  ? mark_held_locks+0xc7/0x130
[  352.898383]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  352.903412]  ? zap_class+0x640/0x640
[  352.907132]  ? print_usage_bug+0xc0/0xc0
[  352.911204]  ? print_usage_bug+0xc0/0xc0
[  352.915269]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.920815]  ? check_preemption_disabled+0x48/0x280
[  352.925846]  ? __lock_is_held+0xb5/0x140
[  352.929917]  __alloc_pages_nodemask+0xa80/0xde0
[  352.934588]  ? zap_class+0x640/0x640
[  352.938316]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  352.943350]  ? find_held_lock+0x36/0x1c0
[  352.947423]  ? ____cache_alloc_node+0x1c7/0x1e0
[  352.952097]  ? lock_downgrade+0x900/0x900
[  352.956255]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.961805]  cache_grow_begin+0xa5/0x8c0
[  352.965866]  ? do_raw_spin_unlock+0xa7/0x330
[  352.970289]  fallback_alloc+0x204/0x2e0
[  352.974271]  ____cache_alloc_node+0x1c7/0x1e0
[  352.978776]  kmem_cache_alloc_node+0xe3/0x730
[  352.983273]  ? ipv6_get_ifaddr+0x42e/0x620
[  352.987517]  __alloc_skb+0x119/0x770
[  352.991233]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  352.996517]  ? netdev_alloc_frag+0x1f0/0x1f0
[  353.000926]  ? lock_downgrade+0x900/0x900
[  353.005084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.010623]  ? refcount_sub_and_test_checked+0x203/0x310
[  353.016081]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  353.021531]  ? addrconf_rs_timer+0x690/0x690
[  353.025956]  ndisc_alloc_skb+0x144/0x340
[  353.030023]  ndisc_send_rs+0x331/0x6e0
[  353.033918]  addrconf_rs_timer+0x314/0x690
[  353.038162]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  353.042411]  call_timer_fn+0x272/0x920
[  353.046304]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  353.050541]  ? process_timeout+0x40/0x40
[  353.054622]  ? mark_held_locks+0xc7/0x130
[  353.058775]  ? _raw_spin_unlock_irq+0x27/0x80
[  353.063273]  ? _raw_spin_unlock_irq+0x27/0x80
[  353.067766]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  353.072003]  ? lockdep_hardirqs_on+0x296/0x5b0
[  353.076588]  ? trace_hardirqs_on+0xbd/0x310
[  353.080909]  ? kasan_check_read+0x11/0x20
[  353.085055]  ? __run_timers+0x7da/0xc70
[  353.089030]  ? trace_hardirqs_off_caller+0x310/0x310
[  353.094177]  ? tcp_compressed_ack_kick+0x220/0x220
[  353.099124]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  353.103355]  __run_timers+0x7e5/0xc70
[  353.107169]  ? timer_fixup_init+0x70/0x70
[  353.111333]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  353.116351]  ? zap_class+0x640/0x640
[  353.120077]  ? print_usage_bug+0xc0/0xc0
[  353.124144]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  353.129351]  ? find_held_lock+0x36/0x1c0
[  353.133422]  ? zap_class+0x640/0x640
[  353.137142]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.142690]  ? check_preemption_disabled+0x48/0x280
[  353.147728]  ? __lock_is_held+0xb5/0x140
[  353.151806]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.157346]  ? check_preemption_disabled+0x48/0x280
[  353.162372]  run_timer_softirq+0x52/0xb0
[  353.166434]  ? rcu_read_lock_sched_held+0x14f/0x180
[  353.171449]  __do_softirq+0x308/0xb7e
[  353.175254]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  353.179750]  ? lock_downgrade+0x900/0x900
[  353.183902]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  353.189013]  ? pvclock_read_flags+0x160/0x160
[  353.193516]  ? lapic_next_event+0x5a/0x90
[  353.197668]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.203223]  ? kvm_clock_read+0x18/0x30
[  353.207200]  ? kvm_sched_clock_read+0x9/0x20
[  353.211615]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.217156]  ? check_preemption_disabled+0x48/0x280
[  353.222183]  irq_exit+0x17f/0x1c0
[  353.225647]  smp_apic_timer_interrupt+0x1cb/0x760
[  353.230599]  ? smp_reschedule_interrupt+0x109/0x650
[  353.235622]  ? smp_call_function_single_interrupt+0x650/0x650
[  353.241510]  ? interrupt_entry+0xb5/0xc0
[  353.245575]  ? trace_hardirqs_off_caller+0xbb/0x310
[  353.250594]  ? trace_hardirqs_off_caller+0xbb/0x310
[  353.255613]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  353.260464]  ? trace_hardirqs_on_caller+0x310/0x310
[  353.265480]  ? trace_hardirqs_on_caller+0x310/0x310
[  353.270513]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  353.275372]  apic_timer_interrupt+0xf/0x20
[  353.279598]  </IRQ>
[  353.281835] RIP: 0010:dump_stack+0x358/0x39d
[  353.286248] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 a1 9c fd f9 48 83 3d 29 00 8d 01 00 0f 84 63 fe ff ff e8 ee 69 ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db 69 ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  353.305159] RSP: 0000:ffff8801b9cce1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  353.312881] RAX: ffff8801d71b2040 RBX: 1ffffffff12a3f46 RCX: 1ffff1003ae36526
[  353.320153] RDX: 0000000000000000 RSI: ffffffff87c4fa12 RDI: 0000000000000293
[  353.327423] RBP: ffff8801b9cce290 R08: ffff8801d71b2930 R09: 0000000000000006
[  353.334699] R10: 0000000000000000 R11: ffff8801d71b2040 R12: 1ffff10037399c45
[  353.341991] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  353.349288]  ? dump_stack+0x34f/0x39d
[  353.353111]  ? dump_stack_print_info.cold.1+0x20/0x20
[  353.358305]  ? mark_held_locks+0x130/0x130
[  353.362546]  ? mark_held_locks+0x130/0x130
[  353.366795]  dump_header+0x27b/0xf72
[  353.370526]  ? pagefault_out_of_memory+0x197/0x197
[  353.375464]  ? __lock_acquire+0x62f/0x4c20
[  353.379710]  ? percpu_ref_get_many+0x240/0x240
[  353.384305]  ? print_usage_bug+0xc0/0xc0
[  353.388374]  ? zap_class+0x640/0x640
[  353.392094]  ? print_usage_bug+0xc0/0xc0
[  353.396156]  ? print_usage_bug+0xc0/0xc0
[  353.400223]  ? zap_class+0x640/0x640
[  353.403944]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.409486]  ? find_held_lock+0x36/0x1c0
[  353.413561]  ? mark_held_locks+0xc7/0x130
[  353.417722]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  353.422830]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  353.427940]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  353.432527]  ? trace_hardirqs_on+0xbd/0x310
[  353.436851]  ? kasan_check_read+0x11/0x20
[  353.441002]  ? ___ratelimit+0x3b4/0x672
[  353.444982]  ? trace_hardirqs_off_caller+0x310/0x310
[  353.450091]  ? trace_hardirqs_on+0x310/0x310
[  353.454501]  ? lock_downgrade+0x900/0x900
[  353.458658]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  353.463773]  ? ___ratelimit+0x3b9/0x672
[  353.467753]  ? idr_get_free+0xf80/0xf80
[  353.471738]  ? find_held_lock+0x36/0x1c0
[  353.475810]  oom_kill_process.cold.27+0x10/0x903
[  353.480568]  ? zap_class+0x640/0x640
[  353.484288]  ? check_preemption_disabled+0x48/0x280
[  353.489310]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  353.494244]  ? kasan_check_read+0x11/0x20
[  353.498395]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  353.503675]  ? oom_evaluate_task+0x540/0x540
[  353.508103]  ? find_held_lock+0x36/0x1c0
[  353.512176]  ? out_of_memory+0x974/0x1430
[  353.516334]  ? lock_downgrade+0x900/0x900
[  353.520495]  ? check_preemption_disabled+0x48/0x280
[  353.525517]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  353.530450]  ? kasan_check_read+0x11/0x20
[  353.534611]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  353.539900]  ? rcu_softirq_qs+0x20/0x20
[  353.543891]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.549433]  ? oom_evaluate_task+0x302/0x540
[  353.553854]  out_of_memory+0xa84/0x1430
[  353.557847]  ? oom_killer_disable+0x3a0/0x3a0
[  353.562348]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  353.567286]  ? __ww_mutex_check_waiters+0x160/0x160
[  353.572325]  __alloc_pages_slowpath+0x2354/0x2e10
[  353.577209]  ? warn_alloc+0x120/0x120
[  353.581015]  ? mark_held_locks+0x130/0x130
[  353.585269]  ? find_get_entry+0xaae/0x1120
[  353.589525]  ? filemap_map_pages+0x1a20/0x1a20
[  353.594129]  ? zap_class+0x640/0x640
[  353.597861]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.603410]  ? check_preemption_disabled+0x48/0x280
[  353.608440]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.613991]  ? should_fail+0x22d/0xd01
[  353.617885]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  353.622994]  ? zap_class+0x640/0x640
[  353.626745]  ? __lock_is_held+0xb5/0x140
[  353.630820]  ? mark_held_locks+0x130/0x130
[  353.635057]  ? lock_release+0xa00/0xa00
[  353.639032]  ? perf_trace_sched_process_exec+0x860/0x860
[  353.644483]  ? xa_load+0x2ba/0x460
[  353.648024]  ? lock_downgrade+0x900/0x900
[  353.652178]  ? __might_sleep+0x95/0x190
[  353.656163]  __alloc_pages_nodemask+0xa80/0xde0
[  353.660865]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  353.665887]  ? __page_cache_alloc+0x191/0x5c0
[  353.670381]  ? xa_load+0x2e1/0x460
[  353.673923]  ? xa_clear_mark+0x40/0x40
[  353.677814]  ? zap_class+0x640/0x640
[  353.681537]  ? zap_class+0x640/0x640
[  353.685252]  ? zap_class+0x640/0x640
[  353.688969]  ? __do_page_cache_readahead+0x663/0x810
[  353.694079]  ? find_held_lock+0x36/0x1c0
[  353.698150]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  353.703703]  alloc_pages_current+0x173/0x350
[  353.708127]  __page_cache_alloc+0x38c/0x5c0
[  353.712447]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  353.717381]  ? kasan_check_read+0x11/0x20
[  353.721533]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  353.726919]  ? generic_perform_write+0x6a0/0x6a0
[  353.731690]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.737235]  ? check_preemption_disabled+0x48/0x280
[  353.742265]  filemap_fault+0x1595/0x25f0
[  353.746345]  ? __lock_page_or_retry+0xa00/0xa00
[  353.751020]  ? mark_held_locks+0x130/0x130
[  353.755268]  ? filemap_map_pages+0xd6b/0x1a20
[  353.759770]  ? lock_downgrade+0x900/0x900
[  353.763920]  ? check_preemption_disabled+0x48/0x280
[  353.768940]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  353.774115]  ? kasan_check_read+0x11/0x20
[  353.778267]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  353.783543]  ? rcu_softirq_qs+0x20/0x20
[  353.787531]  ? filemap_map_pages+0xd92/0x1a20
[  353.792035]  ? __lock_acquire+0x62f/0x4c20
[  353.796286]  ? find_get_entries_tag+0x1400/0x1400
[  353.801152]  ? lock_acquire+0x1ed/0x520
[  353.805127]  ? ext4_filemap_fault+0x7a/0xad
[  353.809459]  ? lock_release+0xa00/0xa00
[  353.813437]  ? perf_trace_sched_process_exec+0x860/0x860
[  353.818894]  ? print_usage_bug+0xc0/0xc0
[  353.822963]  ? print_usage_bug+0xc0/0xc0
[  353.827037]  ? down_read+0x8d/0x120
[  353.830662]  ? ext4_filemap_fault+0x7a/0xad
[  353.834992]  ? __down_interruptible+0x700/0x700
[  353.839673]  ext4_filemap_fault+0x82/0xad
[  353.843836]  __do_fault+0x100/0x6b0
[  353.847469]  ? pmd_devmap_trans_unstable+0x220/0x220
[  353.852575]  ? mark_held_locks+0x130/0x130
[  353.856811]  ? mark_held_locks+0x130/0x130
[  353.861045]  ? __might_fault+0x12b/0x1e0
[  353.865107]  ? lock_downgrade+0x900/0x900
[  353.869264]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.874808]  __handle_mm_fault+0x3ea6/0x5be0
[  353.879232]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  353.884088]  ? kasan_check_read+0x11/0x20
[  353.888242]  ? _copy_to_user+0xc8/0x110
[  353.892226]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.897775]  ? zap_class+0x640/0x640
[  353.901491]  ? zap_class+0x640/0x640
[  353.905354]  ? find_held_lock+0x36/0x1c0
[  353.909431]  ? handle_mm_fault+0x42a/0xc70
[  353.913668]  ? lock_downgrade+0x900/0x900
[  353.917822]  ? check_preemption_disabled+0x48/0x280
[  353.922843]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  353.927776]  ? kasan_check_read+0x11/0x20
[  353.931925]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  353.937208]  ? rcu_softirq_qs+0x20/0x20
[  353.941182]  ? trace_hardirqs_off_caller+0x310/0x310
[  353.946306]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.951846]  ? check_preemption_disabled+0x48/0x280
[  353.956872]  handle_mm_fault+0x54f/0xc70
[  353.960939]  ? __handle_mm_fault+0x5be0/0x5be0
[  353.965527]  ? find_vma+0x34/0x190
[  353.969076]  __do_page_fault+0x5e8/0xe60
[  353.973136]  ? trace_hardirqs_off+0xb8/0x310
[  353.977545]  ? retint_kernel+0x2d/0x2d
[  353.981443]  do_page_fault+0xf2/0x7e0
[  353.985246]  ? vmalloc_sync_all+0x30/0x30
[  353.989401]  ? error_entry+0x70/0xd0
[  353.993124]  ? trace_hardirqs_off_caller+0xbb/0x310
[  353.998144]  ? trace_hardirqs_on_caller+0xc0/0x310
[  354.003075]  ? syscall_return_slowpath+0x5e0/0x5e0
[  354.008008]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  354.012861]  ? trace_hardirqs_on_caller+0x310/0x310
[  354.017962]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  354.023424]  ? prepare_exit_to_usermode+0x291/0x3b0
[  354.028444]  ? page_fault+0x8/0x30
[  354.032021]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  354.036873]  ? page_fault+0x8/0x30
[  354.040416]  page_fault+0x1e/0x30
[  354.043871] RIP: 0033:0x45d911
[  354.047073] Code: Bad RIP value.
[  354.051132] RSP: 002b:000000c420035f18 EFLAGS: 00010246
[  354.056496] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 000000000045d911
[  354.063767] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  354.071034] RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
[  354.078305] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  354.085571] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  354.092872] CPU: 0 PID: 11721 Comm: syz-executor5 Not tainted 4.19.0+ #74
[  354.092878] warn_alloc_show_mem: 1 callbacks suppressed
[  354.092885] Mem-Info:
[  354.099810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  354.099819] Call Trace:
[  354.105192] active_anon:50643 inactive_anon:847 isolated_anon:0
[  354.105192]  active_file:14 inactive_file:13 isolated_file:0
[  354.105192]  unevictable:0 dirty:0 writeback:0 unstable:0
[  354.105192]  slab_reclaimable:9230 slab_unreclaimable:1469886
[  354.105192]  mapped:49154 shmem:854 pagetables:629 bounce:0
[  354.105192]  free:13794 free_pcp:158 free_cma:0
[  354.107563]  <IRQ>
[  354.116929] Node 0 active_anon:202572kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3416kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  354.119509]  dump_stack+0x244/0x39d
[  354.152557] 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
[  354.154728]  ? dump_stack_print_info.cold.1+0x20/0x20
[  354.182370] lowmem_reserve[]: 0 2818 6321 6321
[  354.186010]  warn_alloc.cold.116+0xb7/0x1bd
[  354.212086] Node 0 DMA32 free:25280kB min:30052kB low:37564kB high:45076kB active_anon:236kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  354.217275]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  354.221822] lowmem_reserve[]: 0 0 3503 3503
[  354.226138]  ? lock_downgrade+0x900/0x900
[  354.253626] Node 0 Normal free:13988kB min:37364kB low:46704kB high:56044kB active_anon:202336kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:412kB local_pcp:252kB free_cma:0kB
[  354.258471]  ? trace_hardirqs_off+0xb8/0x310
[  354.262761] lowmem_reserve[]: 0 0 0 0
[  354.266906]  ? trace_hardirqs_off+0xb8/0x310
[  354.295860] 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
[  354.300278]  __alloc_pages_slowpath+0x26e8/0x2e10
[  354.304041] Node 0 DMA32: 2*4kB (H) 3*8kB (UMH) 2*16kB (M) 2*32kB (MH) 5*64kB (MH) 4*128kB (M) 5*256kB (MH) 5*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 25280kB
[  354.308469]  ? warn_alloc+0x120/0x120
[  354.321942] Node 0 Normal: 737*4kB (UMEH) 442*8kB (UME) 213*16kB (UME) 70*32kB (UME) 7*64kB (UMH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13988kB
[  354.326779]  ? print_usage_bug+0xc0/0xc0
[  354.342190] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  354.345978]  ? warn_alloc+0x120/0x120
[  354.361304] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  354.365356]  ? warn_alloc+0x120/0x120
[  354.374163] 881 total pagecache pages
[  354.377957]  ? print_usage_bug+0xc0/0xc0
[  354.386517] 0 pages in swap cache
[  354.390307]  ? kvm_clock_read+0x18/0x30
[  354.394086] Swap cache stats: add 0, delete 0, find 0/0
[  354.398141]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  354.401565] Free swap  = 0kB
[  354.405534]  ? print_usage_bug+0xc0/0xc0
[  354.410872] Total swap = 0kB
[  354.415883]  ? __lock_acquire+0x62f/0x4c20
[  354.418881] 1965979 pages RAM
[  354.422937]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  354.425929] 0 pages HighMem/MovableOnly
[  354.430158]  ? should_fail+0x22d/0xd01
[  354.433236] 342858 pages reserved
[  354.438767]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  354.442717] 0 pages cma reserved
[  354.446604]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  354.450114] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  354.455306]  ? __lock_acquire+0x62f/0x4c20
[  354.455324]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  354.455336]  ? __lock_acquire+0x62f/0x4c20
[  354.455352]  ? should_fail+0x22d/0xd01
[  354.458896] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  354.463843]  ? rcu_irq_exit+0x1a2/0x390
[  354.463870]  ? mark_held_locks+0x130/0x130
[  354.470531] syz-fuzzer cpuset=/ mems_allowed=0
[  354.474795]  ? mark_held_locks+0x130/0x130
[  354.515966]  ? mark_held_locks+0xc7/0x130
[  354.520128]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  354.525149]  ? zap_class+0x640/0x640
[  354.528868]  ? print_usage_bug+0xc0/0xc0
[  354.532935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.538473]  ? check_preemption_disabled+0x48/0x280
[  354.543501]  ? __lock_is_held+0xb5/0x140
[  354.547570]  __alloc_pages_nodemask+0xa80/0xde0
[  354.552239]  ? zap_class+0x640/0x640
[  354.555957]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  354.560984]  ? find_held_lock+0x36/0x1c0
[  354.565060]  ? ____cache_alloc_node+0x1c7/0x1e0
[  354.569730]  ? lock_downgrade+0x900/0x900
[  354.573886]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.579448]  cache_grow_begin+0xa5/0x8c0
[  354.583516]  ? do_raw_spin_unlock+0xa7/0x330
[  354.587932]  fallback_alloc+0x204/0x2e0
[  354.591919]  ____cache_alloc_node+0x1c7/0x1e0
[  354.596424]  kmem_cache_alloc_node+0xe3/0x730
[  354.600938]  ? ipv6_get_ifaddr+0x42e/0x620
[  354.605185]  __alloc_skb+0x119/0x770
[  354.608904]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  354.614193]  ? netdev_alloc_frag+0x1f0/0x1f0
[  354.618605]  ? lock_downgrade+0x900/0x900
[  354.622764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.628303]  ? refcount_sub_and_test_checked+0x203/0x310
[  354.633761]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  354.639211]  ? addrconf_rs_timer+0x690/0x690
[  354.643639]  ndisc_alloc_skb+0x144/0x340
[  354.647718]  ndisc_send_rs+0x331/0x6e0
[  354.651615]  addrconf_rs_timer+0x314/0x690
[  354.655858]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  354.660106]  call_timer_fn+0x272/0x920
[  354.663994]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  354.668231]  ? process_timeout+0x40/0x40
[  354.672299]  ? __run_timers+0x7da/0xc70
[  354.676277]  ? _raw_spin_unlock_irq+0x27/0x80
[  354.680774]  ? _raw_spin_unlock_irq+0x27/0x80
[  354.685269]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  354.689506]  ? lockdep_hardirqs_on+0x296/0x5b0
[  354.694094]  ? trace_hardirqs_on+0xbd/0x310
[  354.698417]  ? kasan_check_read+0x11/0x20
[  354.702561]  ? __run_timers+0x7da/0xc70
[  354.706536]  ? trace_hardirqs_off_caller+0x310/0x310
[  354.711647]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  354.715885]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  354.720121]  __run_timers+0x7e5/0xc70
[  354.723931]  ? timer_fixup_init+0x70/0x70
[  354.728084]  ? kasan_check_read+0x11/0x20
[  354.732231]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  354.737509]  ? rcu_softirq_qs+0x20/0x20
[  354.741489]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.747029]  ? check_preemption_disabled+0x48/0x280
[  354.752053]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  354.756817]  ? retint_kernel+0x2d/0x2d
[  354.760714]  ? trace_hardirqs_on_caller+0xc0/0x310
[  354.765650]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  354.770938]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  354.776397]  ? zap_class+0x640/0x640
[  354.780118]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.785661]  ? check_preemption_disabled+0x48/0x280
[  354.790710]  ? __lock_is_held+0xb5/0x140
[  354.794778]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.800333]  ? check_preemption_disabled+0x48/0x280
[  354.805354]  run_timer_softirq+0x52/0xb0
[  354.809418]  ? rcu_read_lock_sched_held+0x14f/0x180
[  354.814452]  __do_softirq+0x308/0xb7e
[  354.818257]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  354.822751]  ? lock_downgrade+0x900/0x900
[  354.826902]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  354.832023]  ? pvclock_read_flags+0x160/0x160
[  354.836522]  ? lapic_next_event+0x5a/0x90
[  354.840677]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.846322]  ? kvm_clock_read+0x18/0x30
[  354.850298]  ? kvm_sched_clock_read+0x9/0x20
[  354.854719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.860259]  ? check_preemption_disabled+0x48/0x280
[  354.865285]  irq_exit+0x17f/0x1c0
[  354.868749]  smp_apic_timer_interrupt+0x1cb/0x760
[  354.873596]  ? smp_reschedule_interrupt+0x109/0x650
[  354.878613]  ? smp_call_function_single_interrupt+0x650/0x650
[  354.884498]  ? interrupt_entry+0xb5/0xc0
[  354.888566]  ? trace_hardirqs_off_caller+0xbb/0x310
[  354.893585]  ? trace_hardirqs_off_caller+0xbb/0x310
[  354.898603]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  354.903445]  ? trace_hardirqs_on_caller+0x310/0x310
[  354.908461]  ? trace_hardirqs_on_caller+0x310/0x310
[  354.913477]  ? task_prio+0x50/0x50
[  354.917023]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.922562]  ? check_preemption_disabled+0x48/0x280
[  354.927589]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  354.932443]  apic_timer_interrupt+0xf/0x20
[  354.936670]  </IRQ>
[  354.938925] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  354.943853] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 14
[  354.962756] RSP: 0000:ffff8801bf14f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  354.970464] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  354.977745] RDX: 0000000000000000 RSI: ffff8801b68a4c40 RDI: 0000000000000286
[  354.985011] RBP: ffff8801bf14f7a0 R08: ffff8801b68a43c0 R09: 0000000000000000
[  354.992284] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  354.999564] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  355.006878]  skb_clone+0x1bb/0x500
[  355.010427]  ? finish_task_switch+0x2f4/0x910
[  355.014923]  ? skb_split+0x11e0/0x11e0
[  355.018814]  ? preempt_notifier_register+0x200/0x200
[  355.023918]  ? __switch_to_asm+0x34/0x70
[  355.027977]  ? __switch_to_asm+0x34/0x70
[  355.032043]  ? __switch_to_asm+0x40/0x70
[  355.036106]  ? __switch_to_asm+0x34/0x70
[  355.040170]  ? __switch_to_asm+0x40/0x70
[  355.044238]  ? __switch_to_asm+0x34/0x70
[  355.048298]  ? __switch_to_asm+0x40/0x70
[  355.052360]  ? __switch_to_asm+0x34/0x70
[  355.056419]  ? __switch_to_asm+0x34/0x70
[  355.060481]  ? __switch_to_asm+0x40/0x70
[  355.064540]  ? __switch_to_asm+0x34/0x70
[  355.068611]  bpf_clone_redirect+0xb9/0x490
[  355.072849]  ? __schedule+0x8d7/0x21d0
[  355.076745]  bpf_prog_bebbfe2050753572+0x6c2/0x1000
[  355.081766]  ? __sched_text_start+0x8/0x8
[  355.085915]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  355.090678]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  355.095287]  ? retint_kernel+0x2d/0x2d
[  355.099182]  ? find_held_lock+0x36/0x1c0
[  355.103254]  ? lock_acquire+0x1ed/0x520
[  355.107230]  ? bpf_test_run+0x3cb/0x780
[  355.111205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.116746]  ? check_preemption_disabled+0x48/0x280
[  355.121790]  ? kasan_check_read+0x11/0x20
[  355.125944]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  355.131222]  ? rcu_softirq_qs+0x20/0x20
[  355.135196]  ? preempt_schedule+0x4d/0x60
[  355.139345]  ? ___preempt_schedule+0x16/0x18
[  355.143774]  ? bpf_test_run+0x25d/0x780
[  355.147758]  ? netlink_diag_dump+0x2a0/0x2a0
[  355.152172]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.157719]  ? bpf_test_init.isra.10+0x70/0x100
[  355.162396]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  355.167160]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  355.172000]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  355.177537]  ? fput+0x130/0x1a0
[  355.180821]  ? __bpf_prog_get+0x9b/0x290
[  355.184883]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  355.189725]  ? bpf_prog_test_run+0x130/0x1a0
[  355.194142]  ? __x64_sys_bpf+0x3d8/0x520
[  355.198205]  ? bpf_prog_get+0x20/0x20
[  355.202028]  ? do_syscall_64+0x1b9/0x820
[  355.206091]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  355.211461]  ? syscall_return_slowpath+0x5e0/0x5e0
[  355.216408]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  355.221259]  ? trace_hardirqs_on_caller+0x310/0x310
[  355.226278]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  355.231295]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.236831]  ? prepare_exit_to_usermode+0x291/0x3b0
[  355.241858]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  355.246728]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  355.252134] CPU: 1 PID: 5666 Comm: syz-fuzzer Not tainted 4.19.0+ #74
[  355.252232] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  355.258718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  355.258728] Call Trace:
[  355.265332] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  355.274559]  <IRQ>
[  355.277130] syz-executor5 cpuset=syz5 mems_allowed=0
[  355.287619]  dump_stack+0x244/0x39d
[  355.298463]  ? dump_stack_print_info.cold.1+0x20/0x20
[  355.303669]  warn_alloc.cold.116+0xb7/0x1bd
[  355.308001]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  355.312846]  ? lock_downgrade+0x900/0x900
[  355.317005]  ? trace_hardirqs_off+0xb8/0x310
[  355.321420]  ? trace_hardirqs_off+0xb8/0x310
[  355.325840]  __alloc_pages_slowpath+0x26e8/0x2e10
[  355.330723]  ? warn_alloc+0x120/0x120
[  355.334526]  ? print_usage_bug+0xc0/0xc0
[  355.338590]  ? warn_alloc+0x120/0x120
[  355.342397]  ? warn_alloc+0x120/0x120
[  355.346202]  ? print_usage_bug+0xc0/0xc0
[  355.350269]  ? print_usage_bug+0xc0/0xc0
[  355.354332]  ? __lock_acquire+0x62f/0x4c20
[  355.358576]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.364113]  ? should_fail+0x22d/0xd01
[  355.368005]  ? __lock_acquire+0x62f/0x4c20
[  355.372242]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  355.377349]  ? __lock_acquire+0x62f/0x4c20
[  355.381604]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  355.386712]  ? __lock_acquire+0x62f/0x4c20
[  355.390944]  ? should_fail+0x22d/0xd01
[  355.394842]  ? mark_held_locks+0x130/0x130
[  355.399084]  ? mark_held_locks+0x130/0x130
[  355.403316]  ? zap_class+0x640/0x640
[  355.407036]  ? __lock_acquire+0x62f/0x4c20
[  355.411274]  ? do_raw_spin_unlock+0xa7/0x330
[  355.415682]  ? zap_class+0x640/0x640
[  355.419404]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.424943]  ? wq_watchdog_touch+0x9c/0xfe
[  355.429184]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.434728]  ? check_preemption_disabled+0x48/0x280
[  355.439755]  ? __lock_is_held+0xb5/0x140
[  355.443824]  __alloc_pages_nodemask+0xa80/0xde0
[  355.448496]  ? zap_class+0x640/0x640
[  355.452224]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  355.457255]  ? find_held_lock+0x36/0x1c0
[  355.461328]  ? ____cache_alloc_node+0x1c7/0x1e0
[  355.465999]  ? lock_downgrade+0x900/0x900
[  355.470159]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.475709]  cache_grow_begin+0xa5/0x8c0
[  355.479773]  ? do_raw_spin_unlock+0xa7/0x330
[  355.484191]  fallback_alloc+0x204/0x2e0
[  355.488182]  ____cache_alloc_node+0x1c7/0x1e0
[  355.492695]  kmem_cache_alloc_node+0xe3/0x730
[  355.497194]  ? do_raw_spin_unlock+0xa7/0x330
[  355.501609]  ? do_raw_spin_trylock+0x270/0x270
[  355.506237]  __alloc_skb+0x119/0x770
[  355.509959]  ? netdev_alloc_frag+0x1f0/0x1f0
[  355.514381]  ? atomic_notifier_call_chain+0xc6/0x190
[  355.519491]  ? lock_downgrade+0x900/0x900
[  355.523643]  ? check_preemption_disabled+0x48/0x280
[  355.528667]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  355.533608]  ? kasan_check_read+0x11/0x20
[  355.537756]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  355.543036]  ? rcu_softirq_qs+0x20/0x20
[  355.547014]  ? kasan_check_read+0x11/0x20
[  355.551166]  ? do_raw_write_trylock+0x270/0x270
[  355.555851]  __neigh_notify+0x8c/0x160
[  355.559750]  ? neigh_connected_output+0x780/0x780
[  355.564602]  neigh_timer_handler+0x6cb/0xdf0
[  355.569011]  ? check_preemption_disabled+0x48/0x280
[  355.574034]  ? neigh_periodic_work+0xc60/0xc60
[  355.578626]  ? __lock_is_held+0xb5/0x140
[  355.582708]  call_timer_fn+0x272/0x920
[  355.586596]  ? neigh_periodic_work+0xc60/0xc60
[  355.591176]  ? process_timeout+0x40/0x40
[  355.595250]  ? mark_held_locks+0xc7/0x130
[  355.599406]  ? _raw_spin_unlock_irq+0x27/0x80
[  355.603906]  ? _raw_spin_unlock_irq+0x27/0x80
[  355.608404]  ? neigh_periodic_work+0xc60/0xc60
[  355.612987]  ? lockdep_hardirqs_on+0x296/0x5b0
[  355.617572]  ? trace_hardirqs_on+0xbd/0x310
[  355.621894]  ? kasan_check_read+0x11/0x20
[  355.626041]  ? __run_timers+0x7da/0xc70
[  355.630019]  ? trace_hardirqs_off_caller+0x310/0x310
[  355.635205]  ? ip_vs_sync_net_cleanup.cold.11+0x34/0x34
[  355.640580]  ? neigh_periodic_work+0xc60/0xc60
[  355.645158]  __run_timers+0x7e5/0xc70
[  355.648974]  ? timer_fixup_init+0x70/0x70
[  355.653125]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  355.658142]  ? zap_class+0x640/0x640
[  355.661863]  ? print_usage_bug+0xc0/0xc0
[  355.665929]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  355.671132]  ? find_held_lock+0x36/0x1c0
[  355.675210]  ? zap_class+0x640/0x640
[  355.678932]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.684473]  ? check_preemption_disabled+0x48/0x280
[  355.689500]  ? __lock_is_held+0xb5/0x140
[  355.693568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.699105]  ? check_preemption_disabled+0x48/0x280
[  355.704130]  run_timer_softirq+0x52/0xb0
[  355.708202]  ? rcu_read_lock_sched_held+0x14f/0x180
[  355.713220]  __do_softirq+0x308/0xb7e
[  355.717027]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  355.721521]  ? lock_downgrade+0x900/0x900
[  355.725677]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  355.730799]  ? pvclock_read_flags+0x160/0x160
[  355.735301]  ? lapic_next_event+0x5a/0x90
[  355.739454]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.745176]  ? kvm_clock_read+0x18/0x30
[  355.749164]  ? kvm_sched_clock_read+0x9/0x20
[  355.753586]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.759124]  ? check_preemption_disabled+0x48/0x280
[  355.764157]  irq_exit+0x17f/0x1c0
[  355.767620]  smp_apic_timer_interrupt+0x1cb/0x760
[  355.772722]  ? smp_reschedule_interrupt+0x109/0x650
[  355.777745]  ? smp_call_function_single_interrupt+0x650/0x650
[  355.783632]  ? interrupt_entry+0xb5/0xc0
[  355.787705]  ? trace_hardirqs_off_caller+0xbb/0x310
[  355.792727]  ? trace_hardirqs_off_caller+0xbb/0x310
[  355.797745]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  355.802589]  ? trace_hardirqs_on_caller+0x310/0x310
[  355.807608]  ? trace_hardirqs_on_caller+0x310/0x310
[  355.812646]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  355.817505]  apic_timer_interrupt+0xf/0x20
[  355.821737]  </IRQ>
[  355.823978] RIP: 0010:dump_stack+0x358/0x39d
[  355.828388] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 a1 9c fd f9 48 83 3d 29 00 8d 01 00 0f 84 63 fe ff ff e8 ee 69 ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db 69 ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  355.847293] RSP: 0000:ffff8801b9cce1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  355.855006] RAX: ffff8801d71b2040 RBX: 1ffffffff12a3f46 RCX: 1ffff1003ae36526
[  355.862277] RDX: 0000000000000000 RSI: ffffffff87c4fa12 RDI: 0000000000000293
[  355.869548] RBP: ffff8801b9cce290 R08: ffff8801d71b2930 R09: 0000000000000006
[  355.876813] R10: 0000000000000000 R11: ffff8801d71b2040 R12: 1ffff10037399c45
[  355.884078] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  355.891374]  ? dump_stack+0x34f/0x39d
[  355.895187]  ? dump_stack_print_info.cold.1+0x20/0x20
[  355.900387]  ? mark_held_locks+0x130/0x130
[  355.905134]  ? mark_held_locks+0x130/0x130
[  355.909375]  dump_header+0x27b/0xf72
[  355.913104]  ? pagefault_out_of_memory+0x197/0x197
[  355.918043]  ? __lock_acquire+0x62f/0x4c20
[  355.922280]  ? percpu_ref_get_many+0x240/0x240
[  355.926866]  ? print_usage_bug+0xc0/0xc0
[  355.930940]  ? zap_class+0x640/0x640
[  355.934655]  ? print_usage_bug+0xc0/0xc0
[  355.938726]  ? print_usage_bug+0xc0/0xc0
[  355.942797]  ? zap_class+0x640/0x640
[  355.946518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.952061]  ? find_held_lock+0x36/0x1c0
[  355.956131]  ? mark_held_locks+0xc7/0x130
[  355.960291]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  355.965396]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  355.970501]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  355.975088]  ? trace_hardirqs_on+0xbd/0x310
[  355.979412]  ? kasan_check_read+0x11/0x20
[  355.983567]  ? ___ratelimit+0x3b4/0x672
[  355.987542]  ? trace_hardirqs_off_caller+0x310/0x310
[  355.992647]  ? trace_hardirqs_on+0x310/0x310
[  355.997059]  ? lock_downgrade+0x900/0x900
[  356.001219]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  356.006496]  ? ___ratelimit+0x3b9/0x672
[  356.010474]  ? idr_get_free+0xf80/0xf80
[  356.014449]  ? find_held_lock+0x36/0x1c0
[  356.018522]  oom_kill_process.cold.27+0x10/0x903
[  356.023282]  ? zap_class+0x640/0x640
[  356.026998]  ? check_preemption_disabled+0x48/0x280
[  356.032020]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  356.036951]  ? kasan_check_read+0x11/0x20
[  356.041096]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  356.046373]  ? oom_evaluate_task+0x540/0x540
[  356.050787]  ? find_held_lock+0x36/0x1c0
[  356.054861]  ? out_of_memory+0x974/0x1430
[  356.059012]  ? lock_downgrade+0x900/0x900
[  356.063163]  ? check_preemption_disabled+0x48/0x280
[  356.068184]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  356.073122]  ? kasan_check_read+0x11/0x20
[  356.077273]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  356.082548]  ? rcu_softirq_qs+0x20/0x20
[  356.086528]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  356.092062]  ? oom_evaluate_task+0x302/0x540
[  356.096481]  out_of_memory+0xa84/0x1430
[  356.100463]  ? oom_killer_disable+0x3a0/0x3a0
[  356.104965]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  356.109901]  ? __ww_mutex_check_waiters+0x160/0x160
[  356.114934]  __alloc_pages_slowpath+0x2354/0x2e10
[  356.119812]  ? warn_alloc+0x120/0x120
[  356.123613]  ? mark_held_locks+0x130/0x130
[  356.127858]  ? find_get_entry+0xaae/0x1120
[  356.132103]  ? filemap_map_pages+0x1a20/0x1a20
[  356.136703]  ? zap_class+0x640/0x640
[  356.140430]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.145973]  ? check_preemption_disabled+0x48/0x280
[  356.150991]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  356.156532]  ? should_fail+0x22d/0xd01
[  356.160423]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  356.165530]  ? zap_class+0x640/0x640
[  356.169268]  ? __lock_is_held+0xb5/0x140
[  356.173355]  ? mark_held_locks+0x130/0x130
[  356.177610]  ? lock_release+0xa00/0xa00
[  356.181587]  ? perf_trace_sched_process_exec+0x860/0x860
[  356.187036]  ? xa_load+0x2ba/0x460
[  356.190598]  ? lock_downgrade+0x900/0x900
[  356.194756]  ? __might_sleep+0x95/0x190
[  356.198736]  __alloc_pages_nodemask+0xa80/0xde0
[  356.203412]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  356.208434]  ? __page_cache_alloc+0x191/0x5c0
[  356.212931]  ? xa_load+0x2e1/0x460
[  356.216560]  ? xa_clear_mark+0x40/0x40
[  356.220451]  ? zap_class+0x640/0x640
[  356.224173]  ? zap_class+0x640/0x640
[  356.227893]  ? zap_class+0x640/0x640
[  356.231611]  ? __do_page_cache_readahead+0x663/0x810
[  356.236726]  ? find_held_lock+0x36/0x1c0
[  356.240795]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  356.246337]  alloc_pages_current+0x173/0x350
[  356.250757]  __page_cache_alloc+0x38c/0x5c0
[  356.255079]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  356.260012]  ? kasan_check_read+0x11/0x20
[  356.264158]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  356.269441]  ? generic_perform_write+0x6a0/0x6a0
[  356.274205]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  356.279747]  ? check_preemption_disabled+0x48/0x280
[  356.284775]  filemap_fault+0x1595/0x25f0
[  356.288854]  ? __lock_page_or_retry+0xa00/0xa00
[  356.293527]  ? mark_held_locks+0x130/0x130
[  356.297777]  ? filemap_map_pages+0xd6b/0x1a20
[  356.302279]  ? lock_downgrade+0x900/0x900
[  356.306430]  ? check_preemption_disabled+0x48/0x280
[  356.311452]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  356.316381]  ? kasan_check_read+0x11/0x20
[  356.320529]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  356.325808]  ? rcu_softirq_qs+0x20/0x20
[  356.329798]  ? filemap_map_pages+0xd92/0x1a20
[  356.334316]  ? __lock_acquire+0x62f/0x4c20
[  356.338564]  ? find_get_entries_tag+0x1400/0x1400
[  356.343444]  ? lock_acquire+0x1ed/0x520
[  356.347423]  ? ext4_filemap_fault+0x7a/0xad
[  356.351756]  ? lock_release+0xa00/0xa00
[  356.355731]  ? perf_trace_sched_process_exec+0x860/0x860
[  356.361183]  ? print_usage_bug+0xc0/0xc0
[  356.365248]  ? print_usage_bug+0xc0/0xc0
[  356.369325]  ? down_read+0x8d/0x120
[  356.372955]  ? ext4_filemap_fault+0x7a/0xad
[  356.377278]  ? __down_interruptible+0x700/0x700
[  356.381958]  ext4_filemap_fault+0x82/0xad
[  356.386111]  __do_fault+0x100/0x6b0
[  356.389742]  ? pmd_devmap_trans_unstable+0x220/0x220
[  356.394849]  ? mark_held_locks+0x130/0x130
[  356.399085]  ? mark_held_locks+0x130/0x130
[  356.403322]  ? __might_fault+0x12b/0x1e0
[  356.407384]  ? lock_downgrade+0x900/0x900
[  356.411540]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  356.417098]  __handle_mm_fault+0x3ea6/0x5be0
[  356.421516]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  356.426366]  ? kasan_check_read+0x11/0x20
[  356.430517]  ? _copy_to_user+0xc8/0x110
[  356.434501]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  356.440054]  ? zap_class+0x640/0x640
[  356.443767]  ? zap_class+0x640/0x640
[  356.447575]  ? find_held_lock+0x36/0x1c0
[  356.451647]  ? handle_mm_fault+0x42a/0xc70
[  356.455883]  ? lock_downgrade+0x900/0x900
[  356.460031]  ? check_preemption_disabled+0x48/0x280
[  356.465052]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  356.469981]  ? kasan_check_read+0x11/0x20
[  356.474128]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  356.479404]  ? rcu_softirq_qs+0x20/0x20
[  356.483384]  ? trace_hardirqs_off_caller+0x310/0x310
[  356.488488]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  356.494029]  ? check_preemption_disabled+0x48/0x280
[  356.499056]  handle_mm_fault+0x54f/0xc70
[  356.503123]  ? __handle_mm_fault+0x5be0/0x5be0
[  356.507713]  ? find_vma+0x34/0x190
[  356.511260]  __do_page_fault+0x5e8/0xe60
[  356.515323]  ? trace_hardirqs_off+0xb8/0x310
[  356.519732]  ? retint_kernel+0x2d/0x2d
[  356.523640]  do_page_fault+0xf2/0x7e0
[  356.527450]  ? vmalloc_sync_all+0x30/0x30
[  356.531602]  ? error_entry+0x70/0xd0
[  356.535323]  ? trace_hardirqs_off_caller+0xbb/0x310
[  356.540342]  ? trace_hardirqs_on_caller+0xc0/0x310
[  356.545278]  ? syscall_return_slowpath+0x5e0/0x5e0
[  356.550993]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  356.555841]  ? trace_hardirqs_on_caller+0x310/0x310
[  356.560858]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  356.566319]  ? prepare_exit_to_usermode+0x291/0x3b0
[  356.571339]  ? page_fault+0x8/0x30
[  356.574889]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  356.579738]  ? page_fault+0x8/0x30
[  356.583283]  page_fault+0x1e/0x30
[  356.586734] RIP: 0033:0x45d911
[  356.589938] Code: Bad RIP value.
[  356.593298] RSP: 002b:000000c420035f18 EFLAGS: 00010246
[  356.598658] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 000000000045d911
[  356.605931] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  356.613203] RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
[  356.620473] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  356.627741] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  356.635044] CPU: 0 PID: 11721 Comm: syz-executor5 Not tainted 4.19.0+ #74
[  356.635049] warn_alloc_show_mem: 1 callbacks suppressed
[  356.635057] Mem-Info:
[  356.641986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  356.647359] active_anon:50643 inactive_anon:847 isolated_anon:0
[  356.647359]  active_file:14 inactive_file:13 isolated_file:0
[  356.647359]  unevictable:0 dirty:0 writeback:0 unstable:0
[  356.647359]  slab_reclaimable:9230 slab_unreclaimable:1469886
[  356.647359]  mapped:49154 shmem:854 pagetables:629 bounce:0
[  356.647359]  free:13794 free_pcp:158 free_cma:0
[  356.649734] Call Trace:
[  356.659123] Node 0 active_anon:202572kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3416kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  356.691968]  <IRQ>
[  356.694536] 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
[  356.722227]  dump_stack+0x244/0x39d
[  356.724353] lowmem_reserve[]: 0 2818 6321 6321
[  356.750469]  ? dump_stack_print_info.cold.1+0x20/0x20
[  356.754072] Node 0 DMA32 free:25280kB min:30052kB low:37564kB high:45076kB active_anon:236kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  356.758659]  warn_alloc.cold.116+0xb7/0x1bd
[  356.763810] lowmem_reserve[]: 0 0 3503 3503
[  356.791776]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  356.796070] Node 0 Normal free:13988kB min:37364kB low:46704kB high:56044kB active_anon:202336kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:412kB local_pcp:252kB free_cma:0kB
[  356.800645]  ? lock_downgrade+0x900/0x900
[  356.805453] lowmem_reserve[]: 0 0 0 0
[  356.834447]  ? trace_hardirqs_off+0xb8/0x310
[  356.838572] 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
[  356.842371]  ? trace_hardirqs_off+0xb8/0x310
[  356.846845] Node 0 DMA32: 2*4kB (H) 3*8kB (UMH) 2*16kB (M) 2*32kB (MH) 5*64kB (MH) 4*128kB (M) 5*256kB (MH) 5*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 25280kB
[  356.860381]  __alloc_pages_slowpath+0x26e8/0x2e10
[  356.864763] Node 0 Normal: 737*4kB (UMEH) 442*8kB (UME) 213*16kB (UME) 70*32kB (UME) 7*64kB (UMH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13988kB
[  356.880220]  ? warn_alloc+0x120/0x120
[  356.885022] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  356.900361]  ? print_usage_bug+0xc0/0xc0
[  356.904141] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  356.912974]  ? warn_alloc+0x120/0x120
[  356.917008] 881 total pagecache pages
[  356.925578]  ? warn_alloc+0x120/0x120
[  356.929356] 0 pages in swap cache
[  356.933145]  ? print_usage_bug+0xc0/0xc0
[  356.936920] Swap cache stats: add 0, delete 0, find 0/0
[  356.940361]  ? kvm_clock_read+0x18/0x30
[  356.944397] Free swap  = 0kB
[  356.949752]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  356.953701] Total swap = 0kB
[  356.953709] 1965979 pages RAM
[  356.956747]  ? print_usage_bug+0xc0/0xc0
[  356.961736] 0 pages HighMem/MovableOnly
[  356.964746]  ? __lock_acquire+0x62f/0x4c20
[  356.967830] 342858 pages reserved
[  356.971887]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  356.975837] 0 pages cma reserved
[  356.980063]  ? should_fail+0x22d/0xd01
[  356.983607] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  356.989027]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  356.992368] syz-fuzzer cpuset=/ mems_allowed=0
[  356.996250]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  357.021390]  ? __lock_acquire+0x62f/0x4c20
[  357.025630]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  357.030733]  ? __lock_acquire+0x62f/0x4c20
[  357.034967]  ? should_fail+0x22d/0xd01
[  357.038853]  ? rcu_irq_exit+0x1a2/0x390
[  357.042840]  ? mark_held_locks+0x130/0x130
[  357.047080]  ? mark_held_locks+0x130/0x130
[  357.051323]  ? mark_held_locks+0xc7/0x130
[  357.055473]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  357.060487]  ? zap_class+0x640/0x640
[  357.064199]  ? print_usage_bug+0xc0/0xc0
[  357.068266]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.073809]  ? check_preemption_disabled+0x48/0x280
[  357.078838]  ? __lock_is_held+0xb5/0x140
[  357.082912]  __alloc_pages_nodemask+0xa80/0xde0
[  357.087580]  ? zap_class+0x640/0x640
[  357.091302]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  357.096332]  ? find_held_lock+0x36/0x1c0
[  357.100403]  ? ____cache_alloc_node+0x1c7/0x1e0
[  357.105078]  ? lock_downgrade+0x900/0x900
[  357.109244]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.114794]  cache_grow_begin+0xa5/0x8c0
[  357.118861]  ? do_raw_spin_unlock+0xa7/0x330
[  357.123285]  fallback_alloc+0x204/0x2e0
[  357.127273]  ____cache_alloc_node+0x1c7/0x1e0
[  357.131782]  kmem_cache_alloc_node+0xe3/0x730
[  357.136277]  ? ipv6_get_ifaddr+0x42e/0x620
[  357.140520]  __alloc_skb+0x119/0x770
[  357.144233]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  357.149515]  ? netdev_alloc_frag+0x1f0/0x1f0
[  357.153924]  ? lock_downgrade+0x900/0x900
[  357.158080]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.163623]  ? refcount_sub_and_test_checked+0x203/0x310
[  357.169079]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  357.174530]  ? addrconf_rs_timer+0x690/0x690
[  357.178952]  ndisc_alloc_skb+0x144/0x340
[  357.183052]  ndisc_send_rs+0x331/0x6e0
[  357.186952]  addrconf_rs_timer+0x314/0x690
[  357.191195]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  357.195441]  call_timer_fn+0x272/0x920
[  357.199350]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  357.203591]  ? process_timeout+0x40/0x40
[  357.207660]  ? __run_timers+0x7da/0xc70
[  357.211651]  ? _raw_spin_unlock_irq+0x27/0x80
[  357.216148]  ? _raw_spin_unlock_irq+0x27/0x80
[  357.220642]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  357.224880]  ? lockdep_hardirqs_on+0x296/0x5b0
[  357.229463]  ? trace_hardirqs_on+0xbd/0x310
[  357.233788]  ? kasan_check_read+0x11/0x20
[  357.237935]  ? __run_timers+0x7da/0xc70
[  357.241914]  ? trace_hardirqs_off_caller+0x310/0x310
[  357.247020]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  357.251265]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  357.255501]  __run_timers+0x7e5/0xc70
[  357.259316]  ? timer_fixup_init+0x70/0x70
[  357.263471]  ? kasan_check_read+0x11/0x20
[  357.267624]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  357.272902]  ? rcu_softirq_qs+0x20/0x20
[  357.276878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.282422]  ? check_preemption_disabled+0x48/0x280
[  357.287468]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  357.292230]  ? retint_kernel+0x2d/0x2d
[  357.296123]  ? trace_hardirqs_on_caller+0xc0/0x310
[  357.301058]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  357.305814]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  357.311269]  ? zap_class+0x640/0x640
[  357.314992]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.320532]  ? check_preemption_disabled+0x48/0x280
[  357.325587]  ? __lock_is_held+0xb5/0x140
[  357.329656]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.335212]  ? check_preemption_disabled+0x48/0x280
[  357.340237]  run_timer_softirq+0x52/0xb0
[  357.344305]  ? rcu_read_lock_sched_held+0x14f/0x180
[  357.349324]  __do_softirq+0x308/0xb7e
[  357.353130]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  357.357625]  ? lock_downgrade+0x900/0x900
[  357.361783]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  357.366897]  ? pvclock_read_flags+0x160/0x160
[  357.371396]  ? lapic_next_event+0x5a/0x90
[  357.375550]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.381093]  ? kvm_clock_read+0x18/0x30
[  357.385073]  ? kvm_sched_clock_read+0x9/0x20
[  357.389488]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.395027]  ? check_preemption_disabled+0x48/0x280
[  357.400055]  irq_exit+0x17f/0x1c0
[  357.403513]  smp_apic_timer_interrupt+0x1cb/0x760
[  357.408358]  ? smp_reschedule_interrupt+0x109/0x650
[  357.413378]  ? smp_call_function_single_interrupt+0x650/0x650
[  357.419263]  ? interrupt_entry+0xb5/0xc0
[  357.423330]  ? trace_hardirqs_off_caller+0xbb/0x310
[  357.428347]  ? trace_hardirqs_off_caller+0xbb/0x310
[  357.433369]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  357.438222]  ? trace_hardirqs_on_caller+0x310/0x310
[  357.443249]  ? trace_hardirqs_on_caller+0x310/0x310
[  357.448268]  ? task_prio+0x50/0x50
[  357.451811]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.457355]  ? check_preemption_disabled+0x48/0x280
[  357.462383]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  357.467240]  apic_timer_interrupt+0xf/0x20
[  357.471470]  </IRQ>
[  357.473724] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  357.478672] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 14
[  357.497584] RSP: 0000:ffff8801bf14f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  357.505315] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  357.512583] RDX: 0000000000000000 RSI: ffff8801b68a4c40 RDI: 0000000000000286
[  357.519849] RBP: ffff8801bf14f7a0 R08: ffff8801b68a43c0 R09: 0000000000000000
[  357.527122] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  357.534389] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  357.541713]  skb_clone+0x1bb/0x500
[  357.545259]  ? finish_task_switch+0x2f4/0x910
[  357.549753]  ? skb_split+0x11e0/0x11e0
[  357.553644]  ? preempt_notifier_register+0x200/0x200
[  357.558746]  ? __switch_to_asm+0x34/0x70
[  357.562805]  ? __switch_to_asm+0x34/0x70
[  357.566869]  ? __switch_to_asm+0x40/0x70
[  357.570929]  ? __switch_to_asm+0x34/0x70
[  357.574988]  ? __switch_to_asm+0x40/0x70
[  357.579047]  ? __switch_to_asm+0x34/0x70
[  357.583105]  ? __switch_to_asm+0x40/0x70
[  357.587166]  ? __switch_to_asm+0x34/0x70
[  357.591231]  ? __switch_to_asm+0x34/0x70
[  357.595290]  ? __switch_to_asm+0x40/0x70
[  357.599353]  ? __switch_to_asm+0x34/0x70
[  357.603421]  bpf_clone_redirect+0xb9/0x490
[  357.607661]  ? __schedule+0x8d7/0x21d0
[  357.611568]  bpf_prog_bebbfe2050753572+0x6c2/0x1000
[  357.616591]  ? __sched_text_start+0x8/0x8
[  357.620745]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  357.625517]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  357.630099]  ? retint_kernel+0x2d/0x2d
[  357.633991]  ? find_held_lock+0x36/0x1c0
[  357.638066]  ? lock_acquire+0x1ed/0x520
[  357.642039]  ? bpf_test_run+0x3cb/0x780
[  357.646019]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.651573]  ? check_preemption_disabled+0x48/0x280
[  357.656601]  ? kasan_check_read+0x11/0x20
[  357.660753]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  357.666028]  ? rcu_softirq_qs+0x20/0x20
[  357.670006]  ? preempt_schedule+0x4d/0x60
[  357.674180]  ? ___preempt_schedule+0x16/0x18
[  357.678601]  ? bpf_test_run+0x25d/0x780
[  357.682589]  ? netlink_diag_dump+0x2a0/0x2a0
[  357.687007]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  357.692549]  ? bpf_test_init.isra.10+0x70/0x100
[  357.697228]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  357.701997]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  357.706856]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  357.712414]  ? fput+0x130/0x1a0
[  357.715712]  ? __bpf_prog_get+0x9b/0x290
[  357.719785]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  357.724627]  ? bpf_prog_test_run+0x130/0x1a0
[  357.729087]  ? __x64_sys_bpf+0x3d8/0x520
[  357.733152]  ? bpf_prog_get+0x20/0x20
[  357.736974]  ? do_syscall_64+0x1b9/0x820
[  357.741037]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  357.746408]  ? syscall_return_slowpath+0x5e0/0x5e0
[  357.751336]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  357.756184]  ? trace_hardirqs_on_caller+0x310/0x310
[  357.761201]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  357.766227]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.772241]  ? prepare_exit_to_usermode+0x291/0x3b0
[  357.777266]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  357.782119]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  357.787505] CPU: 1 PID: 5666 Comm: syz-fuzzer Not tainted 4.19.0+ #74
[  357.787577] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  357.794082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  357.794087] Call Trace:
[  357.794094]  <IRQ>
[  357.794111]  dump_stack+0x244/0x39d
[  357.794132]  ? dump_stack_print_info.cold.1+0x20/0x20
[  357.800666] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  357.809970]  warn_alloc.cold.116+0xb7/0x1bd
[  357.812518] syz-executor5 cpuset=syz5 mems_allowed=0
[  357.814665]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  357.848153]  ? lock_downgrade+0x900/0x900
[  357.852319]  ? trace_hardirqs_off+0xb8/0x310
[  357.856743]  ? trace_hardirqs_off+0xb8/0x310
[  357.861166]  __alloc_pages_slowpath+0x26e8/0x2e10
[  357.866052]  ? warn_alloc+0x120/0x120
[  357.869860]  ? warn_alloc+0x120/0x120
[  357.873666]  ? warn_alloc+0x120/0x120
[  357.877480]  ? print_usage_bug+0xc0/0xc0
[  357.881546]  ? enqueue_hrtimer+0x1a5/0x560
[  357.885785]  ? print_usage_bug+0xc0/0xc0
[  357.889847]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  357.895052]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  357.900588]  ? should_fail+0x22d/0xd01
[  357.904966]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  357.910075]  ? __lock_acquire+0x62f/0x4c20
[  357.914314]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  357.919416]  ? __lock_acquire+0x62f/0x4c20
[  357.923652]  ? should_fail+0x22d/0xd01
[  357.927553]  ? mark_held_locks+0x130/0x130
[  357.931793]  ? mark_held_locks+0x130/0x130
[  357.936036]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  357.941055]  ? ktime_get+0x2c1/0x400
[  357.944775]  ? zap_class+0x640/0x640
[  357.948490]  ? print_usage_bug+0xc0/0xc0
[  357.952560]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.958101]  ? check_preemption_disabled+0x48/0x280
[  357.963131]  ? __lock_is_held+0xb5/0x140
[  357.967207]  __alloc_pages_nodemask+0xa80/0xde0
[  357.971883]  ? zap_class+0x640/0x640
[  357.975605]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  357.980635]  ? find_held_lock+0x36/0x1c0
[  357.984717]  ? ____cache_alloc_node+0x1c7/0x1e0
[  357.989389]  ? lock_downgrade+0x900/0x900
[  357.993543]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.999091]  cache_grow_begin+0xa5/0x8c0
[  358.003155]  ? do_raw_spin_unlock+0xa7/0x330
[  358.007579]  fallback_alloc+0x204/0x2e0
[  358.011581]  ____cache_alloc_node+0x1c7/0x1e0
[  358.016084]  kmem_cache_alloc_node+0xe3/0x730
[  358.020578]  ? ipv6_get_ifaddr+0x42e/0x620
[  358.024822]  __alloc_skb+0x119/0x770
[  358.028541]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  358.033826]  ? netdev_alloc_frag+0x1f0/0x1f0
[  358.038239]  ? lock_downgrade+0x900/0x900
[  358.042397]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.047938]  ? refcount_sub_and_test_checked+0x203/0x310
[  358.053394]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  358.058847]  ? addrconf_rs_timer+0x690/0x690
[  358.063277]  ndisc_alloc_skb+0x144/0x340
[  358.067341]  ndisc_send_rs+0x331/0x6e0
[  358.071241]  addrconf_rs_timer+0x314/0x690
[  358.075485]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  358.079738]  call_timer_fn+0x272/0x920
[  358.083625]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  358.087858]  ? process_timeout+0x40/0x40
[  358.091932]  ? mark_held_locks+0xc7/0x130
[  358.096087]  ? _raw_spin_unlock_irq+0x27/0x80
[  358.100582]  ? _raw_spin_unlock_irq+0x27/0x80
[  358.105075]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  358.109316]  ? lockdep_hardirqs_on+0x296/0x5b0
[  358.113909]  ? trace_hardirqs_on+0xbd/0x310
[  358.118230]  ? kasan_check_read+0x11/0x20
[  358.122375]  ? __run_timers+0x7da/0xc70
[  358.126349]  ? trace_hardirqs_off_caller+0x310/0x310
[  358.131468]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  358.135706]  __run_timers+0x7e5/0xc70
[  358.139519]  ? timer_fixup_init+0x70/0x70
[  358.143673]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  358.148713]  ? zap_class+0x640/0x640
[  358.152436]  ? print_usage_bug+0xc0/0xc0
[  358.156503]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  358.161711]  ? find_held_lock+0x36/0x1c0
[  358.165781]  ? zap_class+0x640/0x640
[  358.169506]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.175048]  ? check_preemption_disabled+0x48/0x280
[  358.180075]  ? __lock_is_held+0xb5/0x140
[  358.184139]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.189676]  ? check_preemption_disabled+0x48/0x280
[  358.194720]  run_timer_softirq+0x52/0xb0
[  358.198783]  ? rcu_read_lock_sched_held+0x14f/0x180
[  358.203804]  __do_softirq+0x308/0xb7e
[  358.207610]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  358.212105]  ? lock_downgrade+0x900/0x900
[  358.216259]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  358.221530]  ? pvclock_read_flags+0x160/0x160
[  358.226029]  ? lapic_next_event+0x5a/0x90
[  358.230184]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.235737]  ? kvm_clock_read+0x18/0x30
[  358.239717]  ? kvm_sched_clock_read+0x9/0x20
[  358.244133]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.249674]  ? check_preemption_disabled+0x48/0x280
[  358.254714]  irq_exit+0x17f/0x1c0
[  358.258176]  smp_apic_timer_interrupt+0x1cb/0x760
[  358.263025]  ? smp_reschedule_interrupt+0x109/0x650
[  358.268043]  ? smp_call_function_single_interrupt+0x650/0x650
[  358.273933]  ? interrupt_entry+0xb5/0xc0
[  358.277998]  ? trace_hardirqs_off_caller+0xbb/0x310
[  358.283014]  ? trace_hardirqs_off_caller+0xbb/0x310
[  358.288034]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  358.292879]  ? trace_hardirqs_on_caller+0x310/0x310
[  358.297898]  ? trace_hardirqs_on_caller+0x310/0x310
[  358.302929]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  358.307781]  apic_timer_interrupt+0xf/0x20
[  358.312008]  </IRQ>
[  358.314251] RIP: 0010:dump_stack+0x358/0x39d
[  358.318661] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 a1 9c fd f9 48 83 3d 29 00 8d 01 00 0f 84 63 fe ff ff e8 ee 69 ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db 69 ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  358.337566] RSP: 0000:ffff8801b9cce1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  358.345284] RAX: ffff8801d71b2040 RBX: 1ffffffff12a3f46 RCX: 1ffff1003ae36526
[  358.352553] RDX: 0000000000000000 RSI: ffffffff87c4fa12 RDI: 0000000000000293
[  358.359822] RBP: ffff8801b9cce290 R08: ffff8801d71b2930 R09: 0000000000000006
[  358.367091] R10: 0000000000000000 R11: ffff8801d71b2040 R12: 1ffff10037399c45
[  358.374355] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  358.381645]  ? dump_stack+0x34f/0x39d
[  358.385459]  ? dump_stack_print_info.cold.1+0x20/0x20
[  358.390658]  ? mark_held_locks+0x130/0x130
[  358.394902]  ? mark_held_locks+0x130/0x130
[  358.399145]  dump_header+0x27b/0xf72
[  358.402873]  ? pagefault_out_of_memory+0x197/0x197
[  358.407811]  ? __lock_acquire+0x62f/0x4c20
[  358.412047]  ? percpu_ref_get_many+0x240/0x240
[  358.416635]  ? print_usage_bug+0xc0/0xc0
[  358.420707]  ? zap_class+0x640/0x640
[  358.424426]  ? print_usage_bug+0xc0/0xc0
[  358.428486]  ? print_usage_bug+0xc0/0xc0
[  358.432552]  ? zap_class+0x640/0x640
[  358.436271]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.441819]  ? find_held_lock+0x36/0x1c0
[  358.445891]  ? mark_held_locks+0xc7/0x130
[  358.450044]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  358.455149]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  358.460256]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  358.464842]  ? trace_hardirqs_on+0xbd/0x310
[  358.469166]  ? kasan_check_read+0x11/0x20
[  358.473322]  ? ___ratelimit+0x3b4/0x672
[  358.477302]  ? trace_hardirqs_off_caller+0x310/0x310
[  358.482415]  ? trace_hardirqs_on+0x310/0x310
[  358.486827]  ? lock_downgrade+0x900/0x900
[  358.490984]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  358.496095]  ? ___ratelimit+0x3b9/0x672
[  358.500072]  ? idr_get_free+0xf80/0xf80
[  358.504046]  ? find_held_lock+0x36/0x1c0
[  358.508125]  oom_kill_process.cold.27+0x10/0x903
[  358.512885]  ? zap_class+0x640/0x640
[  358.516600]  ? check_preemption_disabled+0x48/0x280
[  358.521623]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  358.526553]  ? kasan_check_read+0x11/0x20
[  358.530707]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  358.535989]  ? oom_evaluate_task+0x540/0x540
[  358.540405]  ? find_held_lock+0x36/0x1c0
[  358.544479]  ? out_of_memory+0x974/0x1430
[  358.548627]  ? lock_downgrade+0x900/0x900
[  358.552778]  ? check_preemption_disabled+0x48/0x280
[  358.557802]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  358.562735]  ? kasan_check_read+0x11/0x20
[  358.566978]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  358.572258]  ? rcu_softirq_qs+0x20/0x20
[  358.576243]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.581785]  ? oom_evaluate_task+0x302/0x540
[  358.586205]  out_of_memory+0xa84/0x1430
[  358.590195]  ? oom_killer_disable+0x3a0/0x3a0
[  358.594704]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  358.599643]  ? __ww_mutex_check_waiters+0x160/0x160
[  358.604673]  __alloc_pages_slowpath+0x2354/0x2e10
[  358.609557]  ? warn_alloc+0x120/0x120
[  358.613358]  ? mark_held_locks+0x130/0x130
[  358.617598]  ? find_get_entry+0xaae/0x1120
[  358.621843]  ? filemap_map_pages+0x1a20/0x1a20
[  358.626431]  ? zap_class+0x640/0x640
[  358.630155]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.635705]  ? check_preemption_disabled+0x48/0x280
[  358.640725]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.646268]  ? should_fail+0x22d/0xd01
[  358.650160]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  358.655271]  ? zap_class+0x640/0x640
[  358.659014]  ? __lock_is_held+0xb5/0x140
[  358.663114]  ? mark_held_locks+0x130/0x130
[  358.667357]  ? lock_release+0xa00/0xa00
[  358.671334]  ? perf_trace_sched_process_exec+0x860/0x860
[  358.676787]  ? xa_load+0x2ba/0x460
[  358.680333]  ? lock_downgrade+0x900/0x900
[  358.684489]  ? __might_sleep+0x95/0x190
[  358.688472]  __alloc_pages_nodemask+0xa80/0xde0
[  358.693151]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  358.698169]  ? __page_cache_alloc+0x191/0x5c0
[  358.702665]  ? xa_load+0x2e1/0x460
[  358.706220]  ? xa_clear_mark+0x40/0x40
[  358.710110]  ? zap_class+0x640/0x640
[  358.713834]  ? zap_class+0x640/0x640
[  358.717548]  ? zap_class+0x640/0x640
[  358.721264]  ? __do_page_cache_readahead+0x663/0x810
[  358.726374]  ? find_held_lock+0x36/0x1c0
[  358.730444]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  358.735986]  alloc_pages_current+0x173/0x350
[  358.740403]  __page_cache_alloc+0x38c/0x5c0
[  358.744729]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  358.749661]  ? kasan_check_read+0x11/0x20
[  358.753817]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  358.759096]  ? generic_perform_write+0x6a0/0x6a0
[  358.763856]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.769393]  ? check_preemption_disabled+0x48/0x280
[  358.774419]  filemap_fault+0x1595/0x25f0
[  358.778497]  ? __lock_page_or_retry+0xa00/0xa00
[  358.783170]  ? mark_held_locks+0x130/0x130
[  358.787425]  ? filemap_map_pages+0xd6b/0x1a20
[  358.791926]  ? lock_downgrade+0x900/0x900
[  358.796075]  ? check_preemption_disabled+0x48/0x280
[  358.801099]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  358.806033]  ? kasan_check_read+0x11/0x20
[  358.810184]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  358.815472]  ? rcu_softirq_qs+0x20/0x20
[  358.819466]  ? filemap_map_pages+0xd92/0x1a20
[  358.823971]  ? __lock_acquire+0x62f/0x4c20
[  358.828224]  ? find_get_entries_tag+0x1400/0x1400
[  358.833092]  ? lock_acquire+0x1ed/0x520
[  358.837070]  ? ext4_filemap_fault+0x7a/0xad
[  358.841401]  ? lock_release+0xa00/0xa00
[  358.845375]  ? perf_trace_sched_process_exec+0x860/0x860
[  358.850824]  ? print_usage_bug+0xc0/0xc0
[  358.854888]  ? print_usage_bug+0xc0/0xc0
[  358.858961]  ? down_read+0x8d/0x120
[  358.862590]  ? ext4_filemap_fault+0x7a/0xad
[  358.866912]  ? __down_interruptible+0x700/0x700
[  358.871619]  ext4_filemap_fault+0x82/0xad
[  358.875772]  __do_fault+0x100/0x6b0
[  358.879405]  ? pmd_devmap_trans_unstable+0x220/0x220
[  358.884517]  ? mark_held_locks+0x130/0x130
[  358.888756]  ? mark_held_locks+0x130/0x130
[  358.892989]  ? __might_fault+0x12b/0x1e0
[  358.897055]  ? lock_downgrade+0x900/0x900
[  358.901213]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.906758]  __handle_mm_fault+0x3ea6/0x5be0
[  358.911178]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  358.916029]  ? kasan_check_read+0x11/0x20
[  358.920181]  ? _copy_to_user+0xc8/0x110
[  358.924170]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.929725]  ? zap_class+0x640/0x640
[  358.933440]  ? zap_class+0x640/0x640
[  358.937159]  ? find_held_lock+0x36/0x1c0
[  358.941240]  ? handle_mm_fault+0x42a/0xc70
[  358.945477]  ? lock_downgrade+0x900/0x900
[  358.949627]  ? check_preemption_disabled+0x48/0x280
[  358.954649]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  358.959582]  ? kasan_check_read+0x11/0x20
[  358.963728]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  358.969007]  ? rcu_softirq_qs+0x20/0x20
[  358.972987]  ? trace_hardirqs_off_caller+0x310/0x310
[  358.978095]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.983635]  ? check_preemption_disabled+0x48/0x280
[  358.988659]  handle_mm_fault+0x54f/0xc70
[  358.992737]  ? __handle_mm_fault+0x5be0/0x5be0
[  358.997326]  ? find_vma+0x34/0x190
[  359.000874]  __do_page_fault+0x5e8/0xe60
[  359.004934]  ? trace_hardirqs_off+0xb8/0x310
[  359.009341]  ? retint_kernel+0x2d/0x2d
[  359.013242]  do_page_fault+0xf2/0x7e0
[  359.017045]  ? vmalloc_sync_all+0x30/0x30
[  359.021195]  ? error_entry+0x70/0xd0
[  359.024919]  ? trace_hardirqs_off_caller+0xbb/0x310
[  359.029937]  ? trace_hardirqs_on_caller+0xc0/0x310
[  359.034867]  ? syscall_return_slowpath+0x5e0/0x5e0
[  359.039797]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  359.044642]  ? trace_hardirqs_on_caller+0x310/0x310
[  359.049656]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  359.055116]  ? prepare_exit_to_usermode+0x291/0x3b0
[  359.060133]  ? page_fault+0x8/0x30
[  359.063682]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  359.068538]  ? page_fault+0x8/0x30
[  359.072084]  page_fault+0x1e/0x30
[  359.075539] RIP: 0033:0x45d911
[  359.078743] Code: Bad RIP value.
[  359.082104] RSP: 002b:000000c420035f18 EFLAGS: 00010246
[  359.087463] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 000000000045d911
[  359.094728] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  359.101995] RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
[  359.109262] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  359.116529] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  359.123832] CPU: 0 PID: 11721 Comm: syz-executor5 Not tainted 4.19.0+ #74
[  359.123838] warn_alloc_show_mem: 1 callbacks suppressed
[  359.123845] Mem-Info:
[  359.130768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  359.130777] Call Trace:
[  359.136148] active_anon:50643 inactive_anon:847 isolated_anon:0
[  359.136148]  active_file:14 inactive_file:13 isolated_file:0
[  359.136148]  unevictable:0 dirty:0 writeback:0 unstable:0
[  359.136148]  slab_reclaimable:9230 slab_unreclaimable:1469886
[  359.136148]  mapped:49154 shmem:854 pagetables:629 bounce:0
[  359.136148]  free:13794 free_pcp:158 free_cma:0
[  359.138521]  <IRQ>
[  359.147886] Node 0 active_anon:202572kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3416kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  359.150469]  dump_stack+0x244/0x39d
[  359.183328] 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
[  359.185482]  ? dump_stack_print_info.cold.1+0x20/0x20
[  359.213127] lowmem_reserve[]: 0 2818 6321 6321
[  359.216781]  warn_alloc.cold.116+0xb7/0x1bd
[  359.242861] Node 0 DMA32 free:25280kB min:30052kB low:37564kB high:45076kB active_anon:236kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  359.248056]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  359.252598] lowmem_reserve[]: 0 0 3503 3503
[  359.256927]  ? lock_downgrade+0x900/0x900
[  359.284908] Node 0 Normal free:13988kB min:37364kB low:46704kB high:56044kB active_anon:202336kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:412kB local_pcp:252kB free_cma:0kB
[  359.289758]  ? trace_hardirqs_off+0xb8/0x310
[  359.294048] lowmem_reserve[]: 0 0 0 0
[  359.298198]  ? trace_hardirqs_off+0xb8/0x310
[  359.327157] 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
[  359.331570]  __alloc_pages_slowpath+0x26e8/0x2e10
[  359.335335] Node 0 DMA32: 2*4kB (H) 3*8kB (UMH) 2*16kB (M) 2*32kB (MH) 5*64kB (MH) 4*128kB (M) 5*256kB (MH) 5*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 25280kB
[  359.339767]  ? warn_alloc+0x120/0x120
[  359.353240] Node 0 Normal: 737*4kB (UMEH) 442*8kB (UME) 213*16kB (UME) 70*32kB (UME) 7*64kB (UMH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13988kB
[  359.358086]  ? print_usage_bug+0xc0/0xc0
[  359.373511] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  359.377318]  ? warn_alloc+0x120/0x120
[  359.392649] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  359.396724]  ? warn_alloc+0x120/0x120
[  359.405527] 881 total pagecache pages
[  359.409327]  ? print_usage_bug+0xc0/0xc0
[  359.417877] 0 pages in swap cache
[  359.421666]  ? print_usage_bug+0xc0/0xc0
[  359.425441] Swap cache stats: add 0, delete 0, find 0/0
[  359.429495]  ? __lock_acquire+0x62f/0x4c20
[  359.432920] Free swap  = 0kB
[  359.436978]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  359.442314] Total swap = 0kB
[  359.446545]  ? should_fail+0x22d/0xd01
[  359.449535] 1965979 pages RAM
[  359.455068]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  359.458110] 0 pages HighMem/MovableOnly
[  359.461990]  ? __lock_acquire+0x62f/0x4c20
[  359.465069] 342858 pages reserved
[  359.470163]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  359.474110] 0 pages cma reserved
[  359.478337]  ? __lock_acquire+0x62f/0x4c20
[  359.481823] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  359.486848]  ? should_fail+0x22d/0xd01
[  359.486863]  ? find_held_lock+0x36/0x1c0
[  359.486890]  ? mark_held_locks+0x130/0x130
[  359.490295] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  359.494463]  ? mark_held_locks+0x130/0x130
[  359.500931] syz-fuzzer cpuset=/ mems_allowed=0
[  359.504815]  ? zap_class+0x640/0x640
[  359.535770]  ? zap_class+0x640/0x640
[  359.539490]  ? print_usage_bug+0xc0/0xc0
[  359.543548]  ? do_raw_spin_unlock+0xa7/0x330
[  359.547957]  ? zap_class+0x640/0x640
[  359.551674]  ? print_usage_bug+0xc0/0xc0
[  359.555747]  ? wq_watchdog_touch+0x9c/0xfe
[  359.559984]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.565528]  ? check_preemption_disabled+0x48/0x280
[  359.570560]  ? __lock_is_held+0xb5/0x140
[  359.574631]  __alloc_pages_nodemask+0xa80/0xde0
[  359.579300]  ? zap_class+0x640/0x640
[  359.583049]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  359.588079]  ? find_held_lock+0x36/0x1c0
[  359.592150]  ? ____cache_alloc_node+0x1c7/0x1e0
[  359.596833]  ? lock_downgrade+0x900/0x900
[  359.601007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.606555]  cache_grow_begin+0xa5/0x8c0
[  359.610619]  ? do_raw_spin_unlock+0xa7/0x330
[  359.615035]  fallback_alloc+0x204/0x2e0
[  359.619019]  ____cache_alloc_node+0x1c7/0x1e0
[  359.623522]  kmem_cache_alloc_node+0xe3/0x730
[  359.628020]  ? ipv6_get_ifaddr+0x42e/0x620
[  359.632267]  __alloc_skb+0x119/0x770
[  359.635979]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  359.641264]  ? netdev_alloc_frag+0x1f0/0x1f0
[  359.645672]  ? lock_downgrade+0x900/0x900
[  359.649840]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.655379]  ? refcount_sub_and_test_checked+0x203/0x310
[  359.660835]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  359.666287]  ? addrconf_rs_timer+0x690/0x690
[  359.670721]  ndisc_alloc_skb+0x144/0x340
[  359.674793]  ndisc_send_rs+0x331/0x6e0
[  359.678684]  addrconf_rs_timer+0x314/0x690
[  359.682941]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.687189]  call_timer_fn+0x272/0x920
[  359.691077]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.695398]  ? process_timeout+0x40/0x40
[  359.699467]  ? __run_timers+0x7da/0xc70
[  359.703454]  ? _raw_spin_unlock_irq+0x27/0x80
[  359.707956]  ? _raw_spin_unlock_irq+0x27/0x80
[  359.712468]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.716718]  ? lockdep_hardirqs_on+0x296/0x5b0
[  359.721308]  ? trace_hardirqs_on+0xbd/0x310
[  359.725629]  ? kasan_check_read+0x11/0x20
[  359.729774]  ? __run_timers+0x7da/0xc70
[  359.733753]  ? trace_hardirqs_off_caller+0x310/0x310
[  359.738864]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.743107]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.747341]  __run_timers+0x7e5/0xc70
[  359.751154]  ? timer_fixup_init+0x70/0x70
[  359.755307]  ? kasan_check_read+0x11/0x20
[  359.759460]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  359.764741]  ? rcu_softirq_qs+0x20/0x20
[  359.768728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.774764]  ? check_preemption_disabled+0x48/0x280
[  359.779791]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  359.784552]  ? retint_kernel+0x2d/0x2d
[  359.788441]  ? trace_hardirqs_on_caller+0xc0/0x310
[  359.793376]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  359.798139]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  359.803604]  ? zap_class+0x640/0x640
[  359.807341]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.812899]  ? check_preemption_disabled+0x48/0x280
[  359.817946]  ? __lock_is_held+0xb5/0x140
[  359.822027]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.827592]  ? check_preemption_disabled+0x48/0x280
[  359.832627]  run_timer_softirq+0x52/0xb0
[  359.836759]  ? rcu_read_lock_sched_held+0x14f/0x180
[  359.841806]  __do_softirq+0x308/0xb7e
[  359.845623]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  359.850124]  ? lock_downgrade+0x900/0x900
[  359.854279]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  359.859761]  ? pvclock_read_flags+0x160/0x160
[  359.864267]  ? lapic_next_event+0x5a/0x90
[  359.868437]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.874000]  ? kvm_clock_read+0x18/0x30
[  359.878006]  ? kvm_sched_clock_read+0x9/0x20
[  359.882426]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.887986]  ? check_preemption_disabled+0x48/0x280
[  359.893025]  irq_exit+0x17f/0x1c0
[  359.896490]  smp_apic_timer_interrupt+0x1cb/0x760
[  359.901341]  ? smp_reschedule_interrupt+0x109/0x650
[  359.906764]  ? smp_call_function_single_interrupt+0x650/0x650
[  359.912667]  ? interrupt_entry+0xb5/0xc0
[  359.916759]  ? trace_hardirqs_off_caller+0xbb/0x310
[  359.921792]  ? trace_hardirqs_off_caller+0xbb/0x310
[  359.926816]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  359.931665]  ? trace_hardirqs_on_caller+0x310/0x310
[  359.936713]  ? trace_hardirqs_on_caller+0x310/0x310
[  359.941753]  ? task_prio+0x50/0x50
[  359.945314]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.950876]  ? check_preemption_disabled+0x48/0x280
[  359.955918]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  359.960793]  apic_timer_interrupt+0xf/0x20
[  359.965041]  </IRQ>
[  359.967296] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  359.972260] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 14
[  359.991176] RSP: 0000:ffff8801bf14f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  359.998896] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  360.006169] RDX: 0000000000000000 RSI: ffff8801b68a4c40 RDI: 0000000000000286
[  360.013441] RBP: ffff8801bf14f7a0 R08: ffff8801b68a43c0 R09: 0000000000000000
[  360.020726] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  360.027997] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  360.035317]  skb_clone+0x1bb/0x500
[  360.038861]  ? finish_task_switch+0x2f4/0x910
[  360.043359]  ? skb_split+0x11e0/0x11e0
[  360.047250]  ? preempt_notifier_register+0x200/0x200
[  360.052362]  ? __switch_to_asm+0x34/0x70
[  360.056435]  ? __switch_to_asm+0x34/0x70
[  360.060500]  ? __switch_to_asm+0x40/0x70
[  360.064558]  ? __switch_to_asm+0x34/0x70
[  360.068625]  ? __switch_to_asm+0x40/0x70
[  360.072696]  ? __switch_to_asm+0x34/0x70
[  360.076765]  ? __switch_to_asm+0x40/0x70
[  360.080825]  ? __switch_to_asm+0x34/0x70
[  360.084889]  ? __switch_to_asm+0x34/0x70
[  360.088952]  ? __switch_to_asm+0x40/0x70
[  360.093012]  ? __switch_to_asm+0x34/0x70
[  360.097083]  bpf_clone_redirect+0xb9/0x490
[  360.101317]  ? __schedule+0x8d7/0x21d0
[  360.105218]  bpf_prog_bebbfe2050753572+0x6c2/0x1000
[  360.110238]  ? __sched_text_start+0x8/0x8
[  360.114391]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  360.119150]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  360.123733]  ? retint_kernel+0x2d/0x2d
[  360.127629]  ? find_held_lock+0x36/0x1c0
[  360.131713]  ? lock_acquire+0x1ed/0x520
[  360.135698]  ? bpf_test_run+0x3cb/0x780
[  360.139684]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.145242]  ? check_preemption_disabled+0x48/0x280
[  360.150272]  ? kasan_check_read+0x11/0x20
[  360.154438]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  360.159733]  ? rcu_softirq_qs+0x20/0x20
[  360.163719]  ? preempt_schedule+0x4d/0x60
[  360.167870]  ? ___preempt_schedule+0x16/0x18
[  360.172290]  ? bpf_test_run+0x25d/0x780
[  360.176281]  ? netlink_diag_dump+0x2a0/0x2a0
[  360.180710]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.186249]  ? bpf_test_init.isra.10+0x70/0x100
[  360.190926]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  360.195705]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  360.200550]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  360.206092]  ? fput+0x130/0x1a0
[  360.209388]  ? __bpf_prog_get+0x9b/0x290
[  360.213457]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  360.218297]  ? bpf_prog_test_run+0x130/0x1a0
[  360.222735]  ? __x64_sys_bpf+0x3d8/0x520
[  360.226804]  ? bpf_prog_get+0x20/0x20
[  360.230629]  ? do_syscall_64+0x1b9/0x820
[  360.234790]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  360.240183]  ? syscall_return_slowpath+0x5e0/0x5e0
[  360.245128]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  360.249977]  ? trace_hardirqs_on_caller+0x310/0x310
[  360.254994]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  360.260016]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.265552]  ? prepare_exit_to_usermode+0x291/0x3b0
[  360.270576]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  360.275431]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  360.280821] CPU: 1 PID: 5666 Comm: syz-fuzzer Not tainted 4.19.0+ #74
[  360.280891] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  360.287404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  360.287410] Call Trace:
[  360.287416]  <IRQ>
[  360.287433]  dump_stack+0x244/0x39d
[  360.287452]  ? dump_stack_print_info.cold.1+0x20/0x20
[  360.294047] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  360.303290]  warn_alloc.cold.116+0xb7/0x1bd
[  360.305847] syz-executor5 cpuset=syz5 mems_allowed=0
[  360.307990]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  360.341487]  ? lock_downgrade+0x900/0x900
[  360.345646]  ? trace_hardirqs_off+0xb8/0x310
[  360.350066]  ? trace_hardirqs_off+0xb8/0x310
[  360.354486]  __alloc_pages_slowpath+0x26e8/0x2e10
[  360.359357]  ? warn_alloc+0x120/0x120
[  360.363164]  ? print_usage_bug+0xc0/0xc0
[  360.367232]  ? warn_alloc+0x120/0x120
[  360.371040]  ? warn_alloc+0x120/0x120
[  360.374846]  ? print_usage_bug+0xc0/0xc0
[  360.378916]  ? print_usage_bug+0xc0/0xc0
[  360.382976]  ? __lock_acquire+0x62f/0x4c20
[  360.387227]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.392772]  ? should_fail+0x22d/0xd01
[  360.396664]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  360.401778]  ? __lock_acquire+0x62f/0x4c20
[  360.406019]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  360.411122]  ? __lock_acquire+0x62f/0x4c20
[  360.415352]  ? should_fail+0x22d/0xd01
[  360.419239]  ? find_held_lock+0x36/0x1c0
[  360.423312]  ? mark_held_locks+0x130/0x130
[  360.427552]  ? mark_held_locks+0x130/0x130
[  360.431784]  ? zap_class+0x640/0x640
[  360.435497]  ? zap_class+0x640/0x640
[  360.439219]  ? print_usage_bug+0xc0/0xc0
[  360.443285]  ? do_raw_spin_unlock+0xa7/0x330
[  360.447700]  ? zap_class+0x640/0x640
[  360.451417]  ? print_usage_bug+0xc0/0xc0
[  360.455479]  ? wq_watchdog_touch+0x9c/0xfe
[  360.459725]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.465273]  ? check_preemption_disabled+0x48/0x280
[  360.470301]  ? __lock_is_held+0xb5/0x140
[  360.474370]  __alloc_pages_nodemask+0xa80/0xde0
[  360.479040]  ? zap_class+0x640/0x640
[  360.482764]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  360.487795]  ? find_held_lock+0x36/0x1c0
[  360.491870]  ? ____cache_alloc_node+0x1c7/0x1e0
[  360.496545]  ? lock_downgrade+0x900/0x900
[  360.500712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.506260]  cache_grow_begin+0xa5/0x8c0
[  360.510321]  ? do_raw_spin_unlock+0xa7/0x330
[  360.514741]  fallback_alloc+0x204/0x2e0
[  360.518731]  ____cache_alloc_node+0x1c7/0x1e0
[  360.523237]  kmem_cache_alloc_node+0xe3/0x730
[  360.527738]  ? ipv6_get_ifaddr+0x42e/0x620
[  360.531987]  __alloc_skb+0x119/0x770
[  360.535709]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  360.541005]  ? netdev_alloc_frag+0x1f0/0x1f0
[  360.545415]  ? lock_downgrade+0x900/0x900
[  360.549573]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.555114]  ? refcount_sub_and_test_checked+0x203/0x310
[  360.560568]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  360.566019]  ? addrconf_rs_timer+0x690/0x690
[  360.570438]  ndisc_alloc_skb+0x144/0x340
[  360.574503]  ndisc_send_rs+0x331/0x6e0
[  360.578395]  addrconf_rs_timer+0x314/0x690
[  360.582640]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.586891]  call_timer_fn+0x272/0x920
[  360.590784]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.595021]  ? process_timeout+0x40/0x40
[  360.599091]  ? mark_held_locks+0xc7/0x130
[  360.603248]  ? _raw_spin_unlock_irq+0x27/0x80
[  360.607744]  ? _raw_spin_unlock_irq+0x27/0x80
[  360.612237]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.616473]  ? lockdep_hardirqs_on+0x296/0x5b0
[  360.621061]  ? trace_hardirqs_on+0xbd/0x310
[  360.625384]  ? kasan_check_read+0x11/0x20
[  360.629533]  ? __run_timers+0x7da/0xc70
[  360.633509]  ? trace_hardirqs_off_caller+0x310/0x310
[  360.638619]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.642858]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.647090]  __run_timers+0x7e5/0xc70
[  360.650901]  ? timer_fixup_init+0x70/0x70
[  360.655051]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  360.660069]  ? zap_class+0x640/0x640
[  360.663792]  ? print_usage_bug+0xc0/0xc0
[  360.667854]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  360.673055]  ? find_held_lock+0x36/0x1c0
[  360.677130]  ? zap_class+0x640/0x640
[  360.680855]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.686400]  ? check_preemption_disabled+0x48/0x280
[  360.691445]  ? __lock_is_held+0xb5/0x140
[  360.695509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.701052]  ? check_preemption_disabled+0x48/0x280
[  360.706076]  run_timer_softirq+0x52/0xb0
[  360.710143]  ? rcu_read_lock_sched_held+0x14f/0x180
[  360.715165]  __do_softirq+0x308/0xb7e
[  360.718971]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  360.723468]  ? lock_downgrade+0x900/0x900
[  360.727623]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  360.732741]  ? pvclock_read_flags+0x160/0x160
[  360.737244]  ? lapic_next_event+0x5a/0x90
[  360.741488]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.747033]  ? kvm_clock_read+0x18/0x30
[  360.751007]  ? kvm_sched_clock_read+0x9/0x20
[  360.755421]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.760960]  ? check_preemption_disabled+0x48/0x280
[  360.765987]  irq_exit+0x17f/0x1c0
[  360.769448]  smp_apic_timer_interrupt+0x1cb/0x760
[  360.774293]  ? smp_reschedule_interrupt+0x109/0x650
[  360.779327]  ? smp_call_function_single_interrupt+0x650/0x650
[  360.785220]  ? interrupt_entry+0xb5/0xc0
[  360.789287]  ? trace_hardirqs_off_caller+0xbb/0x310
[  360.794303]  ? trace_hardirqs_off_caller+0xbb/0x310
[  360.799322]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  360.804165]  ? trace_hardirqs_on_caller+0x310/0x310
[  360.809179]  ? trace_hardirqs_on_caller+0x310/0x310
[  360.814223]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  360.819078]  apic_timer_interrupt+0xf/0x20
[  360.823312]  </IRQ>
[  360.825553] RIP: 0010:dump_stack+0x358/0x39d
[  360.829966] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 a1 9c fd f9 48 83 3d 29 00 8d 01 00 0f 84 63 fe ff ff e8 ee 69 ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db 69 ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  360.848867] RSP: 0000:ffff8801b9cce1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  360.856576] RAX: ffff8801d71b2040 RBX: 1ffffffff12a3f46 RCX: 1ffff1003ae36526
[  360.863846] RDX: 0000000000000000 RSI: ffffffff87c4fa12 RDI: 0000000000000293
[  360.871117] RBP: ffff8801b9cce290 R08: ffff8801d71b2930 R09: 0000000000000006
[  360.878382] R10: 0000000000000000 R11: ffff8801d71b2040 R12: 1ffff10037399c45
[  360.885648] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  360.892939]  ? dump_stack+0x34f/0x39d
[  360.896759]  ? dump_stack_print_info.cold.1+0x20/0x20
[  360.902156]  ? mark_held_locks+0x130/0x130
[  360.906406]  ? mark_held_locks+0x130/0x130
[  360.910648]  dump_header+0x27b/0xf72
[  360.914376]  ? pagefault_out_of_memory+0x197/0x197
[  360.919318]  ? __lock_acquire+0x62f/0x4c20
[  360.923553]  ? percpu_ref_get_many+0x240/0x240
[  360.928139]  ? print_usage_bug+0xc0/0xc0
[  360.932215]  ? zap_class+0x640/0x640
[  360.935931]  ? print_usage_bug+0xc0/0xc0
[  360.939990]  ? print_usage_bug+0xc0/0xc0
[  360.944054]  ? zap_class+0x640/0x640
[  360.947776]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.953317]  ? find_held_lock+0x36/0x1c0
[  360.957391]  ? mark_held_locks+0xc7/0x130
[  360.961543]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  360.966655]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  360.971766]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  360.976350]  ? trace_hardirqs_on+0xbd/0x310
[  360.980675]  ? kasan_check_read+0x11/0x20
[  360.984840]  ? ___ratelimit+0x3b4/0x672
[  360.988826]  ? trace_hardirqs_off_caller+0x310/0x310
[  360.993930]  ? trace_hardirqs_on+0x310/0x310
[  360.998348]  ? lock_downgrade+0x900/0x900
[  361.002502]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  361.007612]  ? ___ratelimit+0x3b9/0x672
[  361.011593]  ? idr_get_free+0xf80/0xf80
[  361.015567]  ? find_held_lock+0x36/0x1c0
[  361.019639]  oom_kill_process.cold.27+0x10/0x903
[  361.024400]  ? zap_class+0x640/0x640
[  361.028118]  ? check_preemption_disabled+0x48/0x280
[  361.033140]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  361.038072]  ? kasan_check_read+0x11/0x20
[  361.042223]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  361.047503]  ? oom_evaluate_task+0x540/0x540
[  361.051915]  ? find_held_lock+0x36/0x1c0
[  361.055985]  ? out_of_memory+0x974/0x1430
[  361.060137]  ? lock_downgrade+0x900/0x900
[  361.064288]  ? check_preemption_disabled+0x48/0x280
[  361.069310]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  361.074241]  ? kasan_check_read+0x11/0x20
[  361.078391]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  361.083670]  ? rcu_softirq_qs+0x20/0x20
[  361.087659]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  361.093207]  ? oom_evaluate_task+0x302/0x540
[  361.097620]  out_of_memory+0xa84/0x1430
[  361.101609]  ? oom_killer_disable+0x3a0/0x3a0
[  361.106113]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  361.111049]  ? __ww_mutex_check_waiters+0x160/0x160
[  361.116084]  __alloc_pages_slowpath+0x2354/0x2e10
[  361.120958]  ? warn_alloc+0x120/0x120
[  361.124761]  ? mark_held_locks+0x130/0x130
[  361.129002]  ? find_get_entry+0xaae/0x1120
[  361.133253]  ? filemap_map_pages+0x1a20/0x1a20
[  361.137848]  ? zap_class+0x640/0x640
[  361.141578]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.147122]  ? check_preemption_disabled+0x48/0x280
[  361.152143]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  361.157685]  ? should_fail+0x22d/0xd01
[  361.161587]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  361.166705]  ? zap_class+0x640/0x640
[  361.170448]  ? __lock_is_held+0xb5/0x140
[  361.174522]  ? mark_held_locks+0x130/0x130
[  361.178763]  ? lock_release+0xa00/0xa00
[  361.182741]  ? perf_trace_sched_process_exec+0x860/0x860
[  361.188196]  ? xa_load+0x2ba/0x460
[  361.191753]  ? lock_downgrade+0x900/0x900
[  361.195908]  ? __might_sleep+0x95/0x190
[  361.199889]  __alloc_pages_nodemask+0xa80/0xde0
[  361.204573]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  361.209590]  ? __page_cache_alloc+0x191/0x5c0
[  361.214085]  ? xa_load+0x2e1/0x460
[  361.217626]  ? xa_clear_mark+0x40/0x40
[  361.221519]  ? zap_class+0x640/0x640
[  361.225244]  ? zap_class+0x640/0x640
[  361.228958]  ? zap_class+0x640/0x640
[  361.232675]  ? __do_page_cache_readahead+0x663/0x810
[  361.237792]  ? find_held_lock+0x36/0x1c0
[  361.241865]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  361.247424]  alloc_pages_current+0x173/0x350
[  361.251849]  __page_cache_alloc+0x38c/0x5c0
[  361.256173]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  361.261105]  ? kasan_check_read+0x11/0x20
[  361.265256]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  361.270545]  ? generic_perform_write+0x6a0/0x6a0
[  361.275304]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  361.280844]  ? check_preemption_disabled+0x48/0x280
[  361.285875]  filemap_fault+0x1595/0x25f0
[  361.289962]  ? __lock_page_or_retry+0xa00/0xa00
[  361.294675]  ? mark_held_locks+0x130/0x130
[  361.298947]  ? filemap_map_pages+0xd6b/0x1a20
[  361.303452]  ? lock_downgrade+0x900/0x900
[  361.307608]  ? check_preemption_disabled+0x48/0x280
[  361.312628]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  361.317559]  ? kasan_check_read+0x11/0x20
[  361.321715]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  361.326998]  ? rcu_softirq_qs+0x20/0x20
[  361.330991]  ? filemap_map_pages+0xd92/0x1a20
[  361.335494]  ? __lock_acquire+0x62f/0x4c20
[  361.339748]  ? find_get_entries_tag+0x1400/0x1400
[  361.344614]  ? lock_acquire+0x1ed/0x520
[  361.348589]  ? ext4_filemap_fault+0x7a/0xad
[  361.352928]  ? lock_release+0xa00/0xa00
[  361.356900]  ? perf_trace_sched_process_exec+0x860/0x860
[  361.362355]  ? print_usage_bug+0xc0/0xc0
[  361.366416]  ? print_usage_bug+0xc0/0xc0
[  361.370489]  ? down_read+0x8d/0x120
[  361.374119]  ? ext4_filemap_fault+0x7a/0xad
[  361.378440]  ? __down_interruptible+0x700/0x700
[  361.383121]  ext4_filemap_fault+0x82/0xad
[  361.387273]  __do_fault+0x100/0x6b0
[  361.390908]  ? pmd_devmap_trans_unstable+0x220/0x220
[  361.396015]  ? mark_held_locks+0x130/0x130
[  361.400255]  ? mark_held_locks+0x130/0x130
[  361.404494]  ? __might_fault+0x12b/0x1e0
[  361.408569]  ? lock_downgrade+0x900/0x900
[  361.412731]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  361.418279]  __handle_mm_fault+0x3ea6/0x5be0
[  361.422713]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  361.427570]  ? kasan_check_read+0x11/0x20
[  361.431724]  ? _copy_to_user+0xc8/0x110
[  361.435713]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  361.441267]  ? zap_class+0x640/0x640
[  361.444980]  ? zap_class+0x640/0x640
[  361.448708]  ? find_held_lock+0x36/0x1c0
[  361.452796]  ? handle_mm_fault+0x42a/0xc70
[  361.457037]  ? lock_downgrade+0x900/0x900
[  361.461193]  ? check_preemption_disabled+0x48/0x280
[  361.466225]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  361.471153]  ? kasan_check_read+0x11/0x20
[  361.475299]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  361.480578]  ? rcu_softirq_qs+0x20/0x20
[  361.484565]  ? trace_hardirqs_off_caller+0x310/0x310
[  361.489673]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  361.495224]  ? check_preemption_disabled+0x48/0x280
[  361.500251]  handle_mm_fault+0x54f/0xc70
[  361.504318]  ? __handle_mm_fault+0x5be0/0x5be0
[  361.508905]  ? find_vma+0x34/0x190
[  361.512456]  __do_page_fault+0x5e8/0xe60
[  361.516521]  ? trace_hardirqs_off+0xb8/0x310
[  361.520931]  ? retint_kernel+0x2d/0x2d
[  361.524833]  do_page_fault+0xf2/0x7e0
[  361.528638]  ? vmalloc_sync_all+0x30/0x30
[  361.532793]  ? error_entry+0x70/0xd0
[  361.536512]  ? trace_hardirqs_off_caller+0xbb/0x310
[  361.541528]  ? trace_hardirqs_on_caller+0xc0/0x310
[  361.546459]  ? syscall_return_slowpath+0x5e0/0x5e0
[  361.551401]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  361.556254]  ? trace_hardirqs_on_caller+0x310/0x310
[  361.561270]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  361.566737]  ? prepare_exit_to_usermode+0x291/0x3b0
[  361.571757]  ? page_fault+0x8/0x30
[  361.575306]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  361.580157]  ? page_fault+0x8/0x30
[  361.583712]  page_fault+0x1e/0x30
[  361.587166] RIP: 0033:0x45d911
[  361.590368] Code: Bad RIP value.
[  361.593728] RSP: 002b:000000c420035f18 EFLAGS: 00010246
[  361.599085] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 000000000045d911
[  361.606352] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  361.613628] RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
[  361.620907] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  361.628178] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  361.635476] warn_alloc_show_mem: 1 callbacks suppressed
[  361.635488] CPU: 0 PID: 11721 Comm: syz-executor5 Not tainted 4.19.0+ #74
[  361.635490] Mem-Info:
[  361.635521] active_anon:50643 inactive_anon:847 isolated_anon:0
[  361.635521]  active_file:14 inactive_file:13 isolated_file:0
[  361.635521]  unevictable:0 dirty:0 writeback:0 unstable:0
[  361.635521]  slab_reclaimable:9230 slab_unreclaimable:1469886
[  361.635521]  mapped:49154 shmem:854 pagetables:629 bounce:0
[  361.635521]  free:13794 free_pcp:158 free_cma:0
[  361.640857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  361.640866] Call Trace:
[  361.647802] Node 0 active_anon:202572kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3416kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  361.650202]  <IRQ>
[  361.650225]  dump_stack+0x244/0x39d
[  361.683098] 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
[  361.692468]  ? dump_stack_print_info.cold.1+0x20/0x20
[  361.695028] lowmem_reserve[]: 0 2818 6321 6321
[  361.722762]  warn_alloc.cold.116+0xb7/0x1bd
[  361.724872] Node 0 DMA32 free:25280kB min:30052kB low:37564kB high:45076kB active_anon:236kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  361.728498]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  361.754591] lowmem_reserve[]: 0 0 3503 3503
[  361.759798]  ? lock_downgrade+0x900/0x900
[  361.764352] Node 0 Normal free:13988kB min:37364kB low:46704kB high:56044kB active_anon:202336kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:412kB local_pcp:252kB free_cma:0kB
[  361.768675]  ? trace_hardirqs_off+0xb8/0x310
[  361.796348] lowmem_reserve[]: 0 0 0 0
[  361.801225]  ? trace_hardirqs_off+0xb8/0x310
[  361.805532] 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
[  361.809697]  __alloc_pages_slowpath+0x26e8/0x2e10
[  361.838642] Node 0 DMA32: 2*4kB (H) 3*8kB (UMH) 2*16kB (M) 2*32kB (MH) 5*64kB (MH) 4*128kB (M) 5*256kB (MH) 5*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 25280kB
[  361.843098]  ? warn_alloc+0x120/0x120
[  361.846839] Node 0 Normal: 737*4kB (UMEH) 442*8kB (UME) 213*16kB (UME) 70*32kB (UME) 7*64kB (UMH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13988kB
[  361.851249]  ? print_usage_bug+0xc0/0xc0
[  361.864756] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  361.869608]  ? warn_alloc+0x120/0x120
[  361.885029] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  361.888847]  ? warn_alloc+0x120/0x120
[  361.904716] 881 total pagecache pages
[  361.908797]  ? print_usage_bug+0xc0/0xc0
[  361.917625] 0 pages in swap cache
[  361.921430]  ? kvm_clock_read+0x18/0x30
[  361.929985] Swap cache stats: add 0, delete 0, find 0/0
[  361.933781]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  361.937555] Free swap  = 0kB
[  361.941610]  ? print_usage_bug+0xc0/0xc0
[  361.945035] Total swap = 0kB
[  361.949007]  ? __lock_acquire+0x62f/0x4c20
[  361.954349] 1965979 pages RAM
[  361.959368]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  361.962355] 0 pages HighMem/MovableOnly
[  361.966413]  ? should_fail+0x22d/0xd01
[  361.969401] 342858 pages reserved
[  361.969409] 0 pages cma reserved
[  361.973635]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  361.976779] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  361.982247]  ? __lock_acquire+0x62f/0x4c20
[  361.982270]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  361.982285]  ? __lock_acquire+0x62f/0x4c20
[  361.982297]  ? should_fail+0x22d/0xd01
[  361.982320]  ? mark_held_locks+0x130/0x130
[  361.986337] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  361.990151]  ? mark_held_locks+0x130/0x130
[  361.993578] syz-fuzzer cpuset=/ mems_allowed=0
[  361.996952]  ? try_to_wake_up+0x11c/0x1490
[  362.053369]  ? lock_downgrade+0x900/0x900
[  362.057526]  ? zap_class+0x640/0x640
[  362.061239]  ? print_usage_bug+0xc0/0xc0
[  362.065299]  ? trace_hardirqs_off+0xb8/0x310
[  362.069723]  ? kasan_check_read+0x11/0x20
[  362.073879]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.079419]  ? check_preemption_disabled+0x48/0x280
[  362.084447]  ? __lock_is_held+0xb5/0x140
[  362.088519]  __alloc_pages_nodemask+0xa80/0xde0
[  362.093191]  ? zap_class+0x640/0x640
[  362.096911]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  362.101943]  ? find_held_lock+0x36/0x1c0
[  362.106016]  ? ____cache_alloc_node+0x1c7/0x1e0
[  362.110727]  ? lock_downgrade+0x900/0x900
[  362.114884]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.120433]  cache_grow_begin+0xa5/0x8c0
[  362.124500]  ? do_raw_spin_unlock+0xa7/0x330
[  362.128916]  fallback_alloc+0x204/0x2e0
[  362.132903]  ____cache_alloc_node+0x1c7/0x1e0
[  362.137406]  kmem_cache_alloc_node+0xe3/0x730
[  362.141905]  ? ipv6_get_ifaddr+0x42e/0x620
[  362.146148]  __alloc_skb+0x119/0x770
[  362.149861]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  362.155145]  ? netdev_alloc_frag+0x1f0/0x1f0
[  362.159560]  ? lock_downgrade+0x900/0x900
[  362.163732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.169270]  ? refcount_sub_and_test_checked+0x203/0x310
[  362.174738]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  362.180187]  ? addrconf_rs_timer+0x690/0x690
[  362.184607]  ndisc_alloc_skb+0x144/0x340
[  362.188677]  ndisc_send_rs+0x331/0x6e0
[  362.192583]  addrconf_rs_timer+0x314/0x690
[  362.196825]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.201093]  call_timer_fn+0x272/0x920
[  362.204980]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.209219]  ? process_timeout+0x40/0x40
[  362.213292]  ? __run_timers+0x7da/0xc70
[  362.217271]  ? _raw_spin_unlock_irq+0x27/0x80
[  362.221940]  ? _raw_spin_unlock_irq+0x27/0x80
[  362.226436]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.230681]  ? lockdep_hardirqs_on+0x296/0x5b0
[  362.235303]  ? trace_hardirqs_on+0xbd/0x310
[  362.239627]  ? kasan_check_read+0x11/0x20
[  362.243781]  ? __run_timers+0x7da/0xc70
[  362.247758]  ? trace_hardirqs_off_caller+0x310/0x310
[  362.252872]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.257106]  __run_timers+0x7e5/0xc70
[  362.260921]  ? timer_fixup_init+0x70/0x70
[  362.265073]  ? kasan_check_read+0x11/0x20
[  362.269222]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  362.274501]  ? rcu_softirq_qs+0x20/0x20
[  362.278476]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.284018]  ? check_preemption_disabled+0x48/0x280
[  362.289044]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  362.293826]  ? retint_kernel+0x2d/0x2d
[  362.297728]  ? trace_hardirqs_on_caller+0xc0/0x310
[  362.302662]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  362.307432]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  362.312890]  ? zap_class+0x640/0x640
[  362.316613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.322154]  ? check_preemption_disabled+0x48/0x280
[  362.327186]  ? __lock_is_held+0xb5/0x140
[  362.331258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.336802]  ? check_preemption_disabled+0x48/0x280
[  362.341914]  run_timer_softirq+0x52/0xb0
[  362.345993]  ? rcu_read_lock_sched_held+0x14f/0x180
[  362.351010]  __do_softirq+0x308/0xb7e
[  362.354817]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  362.359315]  ? lock_downgrade+0x900/0x900
[  362.363465]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  362.368581]  ? pvclock_read_flags+0x160/0x160
[  362.373088]  ? lapic_next_event+0x5a/0x90
[  362.377240]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.382784]  ? kvm_clock_read+0x18/0x30
[  362.386765]  ? kvm_sched_clock_read+0x9/0x20
[  362.391179]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.396729]  ? check_preemption_disabled+0x48/0x280
[  362.401759]  irq_exit+0x17f/0x1c0
[  362.405222]  smp_apic_timer_interrupt+0x1cb/0x760
[  362.410071]  ? smp_reschedule_interrupt+0x109/0x650
[  362.415094]  ? smp_call_function_single_interrupt+0x650/0x650
[  362.420997]  ? interrupt_entry+0xb5/0xc0
[  362.425074]  ? trace_hardirqs_off_caller+0xbb/0x310
[  362.430095]  ? trace_hardirqs_off_caller+0xbb/0x310
[  362.435118]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  362.439966]  ? trace_hardirqs_on_caller+0x310/0x310
[  362.444985]  ? trace_hardirqs_on_caller+0x310/0x310
[  362.450005]  ? task_prio+0x50/0x50
[  362.453548]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.459094]  ? check_preemption_disabled+0x48/0x280
[  362.464126]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  362.468990]  apic_timer_interrupt+0xf/0x20
[  362.473221]  </IRQ>
[  362.475475] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  362.480405] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 14
[  362.499314] RSP: 0000:ffff8801bf14f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  362.507032] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  362.514311] RDX: 0000000000000000 RSI: ffff8801b68a4c40 RDI: 0000000000000286
[  362.521590] RBP: ffff8801bf14f7a0 R08: ffff8801b68a43c0 R09: 0000000000000000
[  362.528862] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  362.536138] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  362.543465]  skb_clone+0x1bb/0x500
[  362.547018]  ? finish_task_switch+0x2f4/0x910
[  362.551526]  ? skb_split+0x11e0/0x11e0
[  362.555432]  ? preempt_notifier_register+0x200/0x200
[  362.560542]  ? __switch_to_asm+0x34/0x70
[  362.564608]  ? __switch_to_asm+0x34/0x70
[  362.568671]  ? __switch_to_asm+0x40/0x70
[  362.572744]  ? __switch_to_asm+0x34/0x70
[  362.576807]  ? __switch_to_asm+0x40/0x70
[  362.580873]  ? __switch_to_asm+0x34/0x70
[  362.584939]  ? __switch_to_asm+0x40/0x70
[  362.589001]  ? __switch_to_asm+0x34/0x70
[  362.593063]  ? __switch_to_asm+0x34/0x70
[  362.597124]  ? __switch_to_asm+0x40/0x70
[  362.601183]  ? __switch_to_asm+0x34/0x70
[  362.605260]  bpf_clone_redirect+0xb9/0x490
[  362.609497]  ? __schedule+0x8d7/0x21d0
[  362.613395]  bpf_prog_bebbfe2050753572+0x6c2/0x1000
[  362.618416]  ? __sched_text_start+0x8/0x8
[  362.622570]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  362.627332]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  362.631919]  ? retint_kernel+0x2d/0x2d
[  362.635820]  ? find_held_lock+0x36/0x1c0
[  362.639895]  ? lock_acquire+0x1ed/0x520
[  362.643870]  ? bpf_test_run+0x3cb/0x780
[  362.647853]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.653398]  ? check_preemption_disabled+0x48/0x280
[  362.658432]  ? kasan_check_read+0x11/0x20
[  362.662583]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  362.667860]  ? rcu_softirq_qs+0x20/0x20
[  362.671837]  ? preempt_schedule+0x4d/0x60
[  362.675996]  ? ___preempt_schedule+0x16/0x18
[  362.680418]  ? bpf_test_run+0x25d/0x780
[  362.684405]  ? netlink_diag_dump+0x2a0/0x2a0
[  362.688824]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  362.694369]  ? bpf_test_init.isra.10+0x70/0x100
[  362.699053]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  362.703826]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  362.708670]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  362.714237]  ? fput+0x130/0x1a0
[  362.717525]  ? __bpf_prog_get+0x9b/0x290
[  362.721597]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  362.726451]  ? bpf_prog_test_run+0x130/0x1a0
[  362.730870]  ? __x64_sys_bpf+0x3d8/0x520
[  362.734939]  ? bpf_prog_get+0x20/0x20
[  362.738764]  ? do_syscall_64+0x1b9/0x820
[  362.742828]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  362.748200]  ? syscall_return_slowpath+0x5e0/0x5e0
[  362.753137]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  362.757997]  ? trace_hardirqs_on_caller+0x310/0x310
[  362.763020]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  362.768037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.774048]  ? prepare_exit_to_usermode+0x291/0x3b0
[  362.779072]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  362.783930]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  362.789319] CPU: 1 PID: 5666 Comm: syz-fuzzer Not tainted 4.19.0+ #74
[  362.789388] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  362.795897] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  362.795902] Call Trace:
[  362.795909]  <IRQ>
[  362.795927]  dump_stack+0x244/0x39d
[  362.795944]  ? dump_stack_print_info.cold.1+0x20/0x20
[  362.802526] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  362.811791]  warn_alloc.cold.116+0xb7/0x1bd
[  362.814345] syz-executor5 cpuset=syz5 mems_allowed=0
[  362.816489]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  362.849975]  ? lock_downgrade+0x900/0x900
[  362.854139]  ? trace_hardirqs_off+0xb8/0x310
[  362.858557]  ? trace_hardirqs_off+0xb8/0x310
[  362.862980]  __alloc_pages_slowpath+0x26e8/0x2e10
[  362.867858]  ? warn_alloc+0x120/0x120
[  362.871669]  ? print_usage_bug+0xc0/0xc0
[  362.875742]  ? warn_alloc+0x120/0x120
[  362.879549]  ? warn_alloc+0x120/0x120
[  362.883353]  ? print_usage_bug+0xc0/0xc0
[  362.887419]  ? print_usage_bug+0xc0/0xc0
[  362.891484]  ? __lock_acquire+0x62f/0x4c20
[  362.895730]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  362.901270]  ? should_fail+0x22d/0xd01
[  362.905163]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  362.910266]  ? __lock_acquire+0x62f/0x4c20
[  362.914512]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  362.919614]  ? __lock_acquire+0x62f/0x4c20
[  362.923852]  ? should_fail+0x22d/0xd01
[  362.927741]  ? find_held_lock+0x36/0x1c0
[  362.931811]  ? mark_held_locks+0x130/0x130
[  362.936056]  ? mark_held_locks+0x130/0x130
[  362.940292]  ? zap_class+0x640/0x640
[  362.944004]  ? zap_class+0x640/0x640
[  362.947733]  ? print_usage_bug+0xc0/0xc0
[  362.951792]  ? do_raw_spin_unlock+0xa7/0x330
[  362.956207]  ? zap_class+0x640/0x640
[  362.959922]  ? print_usage_bug+0xc0/0xc0
[  362.963980]  ? wq_watchdog_touch+0x9c/0xfe
[  362.968226]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.973766]  ? check_preemption_disabled+0x48/0x280
[  362.978797]  ? __lock_is_held+0xb5/0x140
[  362.982867]  __alloc_pages_nodemask+0xa80/0xde0
[  362.987535]  ? zap_class+0x640/0x640
[  362.991257]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  362.996286]  ? find_held_lock+0x36/0x1c0
[  363.000362]  ? ____cache_alloc_node+0x1c7/0x1e0
[  363.005037]  ? lock_downgrade+0x900/0x900
[  363.009194]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.014749]  cache_grow_begin+0xa5/0x8c0
[  363.018814]  ? do_raw_spin_unlock+0xa7/0x330
[  363.023238]  fallback_alloc+0x204/0x2e0
[  363.027226]  ____cache_alloc_node+0x1c7/0x1e0
[  363.031734]  kmem_cache_alloc_node+0xe3/0x730
[  363.036235]  ? ipv6_get_ifaddr+0x42e/0x620
[  363.040484]  __alloc_skb+0x119/0x770
[  363.044199]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  363.049489]  ? netdev_alloc_frag+0x1f0/0x1f0
[  363.053897]  ? lock_downgrade+0x900/0x900
[  363.058054]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.063595]  ? refcount_sub_and_test_checked+0x203/0x310
[  363.069068]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  363.074517]  ? addrconf_rs_timer+0x690/0x690
[  363.078941]  ndisc_alloc_skb+0x144/0x340
[  363.083010]  ndisc_send_rs+0x331/0x6e0
[  363.086904]  addrconf_rs_timer+0x314/0x690
[  363.091143]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.095393]  call_timer_fn+0x272/0x920
[  363.099279]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.103516]  ? process_timeout+0x40/0x40
[  363.107592]  ? mark_held_locks+0xc7/0x130
[  363.111745]  ? _raw_spin_unlock_irq+0x27/0x80
[  363.116244]  ? _raw_spin_unlock_irq+0x27/0x80
[  363.120736]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.124972]  ? lockdep_hardirqs_on+0x296/0x5b0
[  363.129563]  ? trace_hardirqs_on+0xbd/0x310
[  363.134319]  ? kasan_check_read+0x11/0x20
[  363.138468]  ? __run_timers+0x7da/0xc70
[  363.142443]  ? trace_hardirqs_off_caller+0x310/0x310
[  363.147555]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.151799]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.156035]  __run_timers+0x7e5/0xc70
[  363.159854]  ? timer_fixup_init+0x70/0x70
[  363.164006]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  363.169024]  ? zap_class+0x640/0x640
[  363.172745]  ? print_usage_bug+0xc0/0xc0
[  363.176817]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  363.182015]  ? find_held_lock+0x36/0x1c0
[  363.186084]  ? zap_class+0x640/0x640
[  363.189808]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.195350]  ? check_preemption_disabled+0x48/0x280
[  363.200375]  ? __lock_is_held+0xb5/0x140
[  363.204442]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.209986]  ? check_preemption_disabled+0x48/0x280
[  363.215010]  run_timer_softirq+0x52/0xb0
[  363.219074]  ? rcu_read_lock_sched_held+0x14f/0x180
[  363.224093]  __do_softirq+0x308/0xb7e
[  363.227901]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  363.232396]  ? lock_downgrade+0x900/0x900
[  363.236551]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  363.241666]  ? pvclock_read_flags+0x160/0x160
[  363.246172]  ? lapic_next_event+0x5a/0x90
[  363.250329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.255871]  ? kvm_clock_read+0x18/0x30
[  363.259844]  ? kvm_sched_clock_read+0x9/0x20
[  363.264258]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.269797]  ? check_preemption_disabled+0x48/0x280
[  363.274822]  irq_exit+0x17f/0x1c0
[  363.278284]  smp_apic_timer_interrupt+0x1cb/0x760
[  363.283128]  ? smp_reschedule_interrupt+0x109/0x650
[  363.288147]  ? smp_call_function_single_interrupt+0x650/0x650
[  363.294037]  ? interrupt_entry+0xb5/0xc0
[  363.298104]  ? trace_hardirqs_off_caller+0xbb/0x310
[  363.303118]  ? trace_hardirqs_off_caller+0xbb/0x310
[  363.308135]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  363.312977]  ? trace_hardirqs_on_caller+0x310/0x310
[  363.317997]  ? trace_hardirqs_on_caller+0x310/0x310
[  363.323023]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  363.327876]  apic_timer_interrupt+0xf/0x20
[  363.332105]  </IRQ>
[  363.334341] RIP: 0010:dump_stack+0x358/0x39d
[  363.338754] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 a1 9c fd f9 48 83 3d 29 00 8d 01 00 0f 84 63 fe ff ff e8 ee 69 ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db 69 ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  363.357654] RSP: 0000:ffff8801b9cce1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  363.365367] RAX: ffff8801d71b2040 RBX: 1ffffffff12a3f46 RCX: 1ffff1003ae36526
[  363.372642] RDX: 0000000000000000 RSI: ffffffff87c4fa12 RDI: 0000000000000293
[  363.379908] RBP: ffff8801b9cce290 R08: ffff8801d71b2930 R09: 0000000000000006
[  363.387191] R10: 0000000000000000 R11: ffff8801d71b2040 R12: 1ffff10037399c45
[  363.394463] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  363.401765]  ? dump_stack+0x34f/0x39d
[  363.405581]  ? dump_stack_print_info.cold.1+0x20/0x20
[  363.410775]  ? mark_held_locks+0x130/0x130
[  363.415012]  ? mark_held_locks+0x130/0x130
[  363.419252]  dump_header+0x27b/0xf72
[  363.422985]  ? pagefault_out_of_memory+0x197/0x197
[  363.427924]  ? __lock_acquire+0x62f/0x4c20
[  363.432159]  ? percpu_ref_get_many+0x240/0x240
[  363.436761]  ? print_usage_bug+0xc0/0xc0
[  363.440832]  ? zap_class+0x640/0x640
[  363.444547]  ? print_usage_bug+0xc0/0xc0
[  363.448610]  ? print_usage_bug+0xc0/0xc0
[  363.452679]  ? zap_class+0x640/0x640
[  363.456406]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.461950]  ? find_held_lock+0x36/0x1c0
[  363.466026]  ? mark_held_locks+0xc7/0x130
[  363.470179]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  363.475287]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  363.480391]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  363.484977]  ? trace_hardirqs_on+0xbd/0x310
[  363.489299]  ? kasan_check_read+0x11/0x20
[  363.493452]  ? ___ratelimit+0x3b4/0x672
[  363.497433]  ? trace_hardirqs_off_caller+0x310/0x310
[  363.502539]  ? trace_hardirqs_on+0x310/0x310
[  363.506948]  ? lock_downgrade+0x900/0x900
[  363.511103]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  363.516213]  ? ___ratelimit+0x3b9/0x672
[  363.520193]  ? idr_get_free+0xf80/0xf80
[  363.524179]  ? find_held_lock+0x36/0x1c0
[  363.528294]  oom_kill_process.cold.27+0x10/0x903
[  363.533054]  ? zap_class+0x640/0x640
[  363.536768]  ? check_preemption_disabled+0x48/0x280
[  363.541793]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  363.546730]  ? kasan_check_read+0x11/0x20
[  363.550887]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  363.556167]  ? oom_evaluate_task+0x540/0x540
[  363.560581]  ? find_held_lock+0x36/0x1c0
[  363.564651]  ? out_of_memory+0x974/0x1430
[  363.568807]  ? lock_downgrade+0x900/0x900
[  363.572957]  ? check_preemption_disabled+0x48/0x280
[  363.577981]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  363.582913]  ? kasan_check_read+0x11/0x20
[  363.587067]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  363.592347]  ? rcu_softirq_qs+0x20/0x20
[  363.596334]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.601876]  ? oom_evaluate_task+0x302/0x540
[  363.606291]  out_of_memory+0xa84/0x1430
[  363.610283]  ? oom_killer_disable+0x3a0/0x3a0
[  363.614812]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  363.619750]  ? __ww_mutex_check_waiters+0x160/0x160
[  363.624783]  __alloc_pages_slowpath+0x2354/0x2e10
[  363.629657]  ? warn_alloc+0x120/0x120
[  363.633469]  ? mark_held_locks+0x130/0x130
[  363.637718]  ? find_get_entry+0xaae/0x1120
[  363.641966]  ? filemap_map_pages+0x1a20/0x1a20
[  363.646553]  ? zap_class+0x640/0x640
[  363.650273]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.655817]  ? check_preemption_disabled+0x48/0x280
[  363.660835]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.666372]  ? should_fail+0x22d/0xd01
[  363.670265]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  363.675373]  ? zap_class+0x640/0x640
[  363.679111]  ? __lock_is_held+0xb5/0x140
[  363.683182]  ? mark_held_locks+0x130/0x130
[  363.687426]  ? lock_release+0xa00/0xa00
[  363.691407]  ? perf_trace_sched_process_exec+0x860/0x860
[  363.696857]  ? xa_load+0x2ba/0x460
[  363.700405]  ? lock_downgrade+0x900/0x900
[  363.704557]  ? __might_sleep+0x95/0x190
[  363.708537]  __alloc_pages_nodemask+0xa80/0xde0
[  363.713224]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  363.718244]  ? __page_cache_alloc+0x191/0x5c0
[  363.722743]  ? xa_load+0x2e1/0x460
[  363.726288]  ? xa_clear_mark+0x40/0x40
[  363.730183]  ? zap_class+0x640/0x640
[  363.733929]  ? zap_class+0x640/0x640
[  363.737646]  ? zap_class+0x640/0x640
[  363.741360]  ? __do_page_cache_readahead+0x663/0x810
[  363.746472]  ? find_held_lock+0x36/0x1c0
[  363.750543]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  363.756091]  alloc_pages_current+0x173/0x350
[  363.760507]  __page_cache_alloc+0x38c/0x5c0
[  363.764830]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  363.769765]  ? kasan_check_read+0x11/0x20
[  363.774237]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  363.779527]  ? generic_perform_write+0x6a0/0x6a0
[  363.784285]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.789830]  ? check_preemption_disabled+0x48/0x280
[  363.794862]  filemap_fault+0x1595/0x25f0
[  363.798945]  ? __lock_page_or_retry+0xa00/0xa00
[  363.803621]  ? mark_held_locks+0x130/0x130
[  363.807874]  ? filemap_map_pages+0xd6b/0x1a20
[  363.812377]  ? lock_downgrade+0x900/0x900
[  363.816530]  ? check_preemption_disabled+0x48/0x280
[  363.821554]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  363.826487]  ? kasan_check_read+0x11/0x20
[  363.830643]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  363.835923]  ? rcu_softirq_qs+0x20/0x20
[  363.839919]  ? filemap_map_pages+0xd92/0x1a20
[  363.844420]  ? __lock_acquire+0x62f/0x4c20
[  363.848669]  ? find_get_entries_tag+0x1400/0x1400
[  363.853544]  ? lock_acquire+0x1ed/0x520
[  363.857514]  ? ext4_filemap_fault+0x7a/0xad
[  363.861836]  ? lock_release+0xa00/0xa00
[  363.865809]  ? perf_trace_sched_process_exec+0x860/0x860
[  363.871259]  ? print_usage_bug+0xc0/0xc0
[  363.875322]  ? print_usage_bug+0xc0/0xc0
[  363.879394]  ? down_read+0x8d/0x120
[  363.883020]  ? ext4_filemap_fault+0x7a/0xad
[  363.887341]  ? __down_interruptible+0x700/0x700
[  363.892020]  ext4_filemap_fault+0x82/0xad
[  363.896177]  __do_fault+0x100/0x6b0
[  363.899812]  ? pmd_devmap_trans_unstable+0x220/0x220
[  363.905414]  ? mark_held_locks+0x130/0x130
[  363.909650]  ? mark_held_locks+0x130/0x130
[  363.913889]  ? __might_fault+0x12b/0x1e0
[  363.917960]  ? lock_downgrade+0x900/0x900
[  363.922119]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.927661]  __handle_mm_fault+0x3ea6/0x5be0
[  363.932091]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  363.936943]  ? kasan_check_read+0x11/0x20
[  363.941092]  ? _copy_to_user+0xc8/0x110
[  363.945070]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.950621]  ? zap_class+0x640/0x640
[  363.954333]  ? zap_class+0x640/0x640
[  363.958058]  ? find_held_lock+0x36/0x1c0
[  363.962135]  ? handle_mm_fault+0x42a/0xc70
[  363.966371]  ? lock_downgrade+0x900/0x900
[  363.970520]  ? check_preemption_disabled+0x48/0x280
[  363.975542]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  363.980474]  ? kasan_check_read+0x11/0x20
[  363.984629]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  363.989907]  ? rcu_softirq_qs+0x20/0x20
[  363.993885]  ? trace_hardirqs_off_caller+0x310/0x310
[  363.998998]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  364.004545]  ? check_preemption_disabled+0x48/0x280
[  364.009574]  handle_mm_fault+0x54f/0xc70
[  364.013645]  ? __handle_mm_fault+0x5be0/0x5be0
[  364.018238]  ? find_vma+0x34/0x190
[  364.021787]  __do_page_fault+0x5e8/0xe60
[  364.025851]  ? trace_hardirqs_off+0xb8/0x310
[  364.030264]  ? retint_kernel+0x2d/0x2d
[  364.034166]  do_page_fault+0xf2/0x7e0
[  364.037978]  ? vmalloc_sync_all+0x30/0x30
[  364.042130]  ? error_entry+0x70/0xd0
[  364.045848]  ? trace_hardirqs_off_caller+0xbb/0x310
[  364.050864]  ? trace_hardirqs_on_caller+0xc0/0x310
[  364.055799]  ? syscall_return_slowpath+0x5e0/0x5e0
[  364.060732]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  364.065582]  ? trace_hardirqs_on_caller+0x310/0x310
[  364.070601]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  364.076061]  ? prepare_exit_to_usermode+0x291/0x3b0
[  364.081085]  ? page_fault+0x8/0x30
[  364.084631]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  364.089485]  ? page_fault+0x8/0x30
[  364.093030]  page_fault+0x1e/0x30
[  364.096482] RIP: 0033:0x45d911
[  364.099686] Code: Bad RIP value.
[  364.103057] RSP: 002b:000000c420035f18 EFLAGS: 00010246
[  364.108420] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 000000000045d911
[  364.115700] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  364.122990] RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
[  364.130269] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  364.137547] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  364.144857] warn_alloc_show_mem: 1 callbacks suppressed
[  364.144869] CPU: 0 PID: 11721 Comm: syz-executor5 Not tainted 4.19.0+ #74
[  364.144871] Mem-Info:
[  364.144902] active_anon:50643 inactive_anon:847 isolated_anon:0
[  364.144902]  active_file:14 inactive_file:13 isolated_file:0
[  364.144902]  unevictable:0 dirty:0 writeback:0 unstable:0
[  364.144902]  slab_reclaimable:9230 slab_unreclaimable:1469886
[  364.144902]  mapped:49154 shmem:854 pagetables:629 bounce:0
[  364.144902]  free:13794 free_pcp:158 free_cma:0
[  364.150252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  364.157188] Node 0 active_anon:202572kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3416kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  364.159587] Call Trace:
[  364.192468] 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
[  364.201828]  <IRQ>
[  364.229492] lowmem_reserve[]: 0 2818 6321 6321
[  364.232097]  dump_stack+0x244/0x39d
[  364.258188] Node 0 DMA32 free:25280kB min:30052kB low:37564kB high:45076kB active_anon:236kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  364.260348]  ? dump_stack_print_info.cold.1+0x20/0x20
[  364.264890] lowmem_reserve[]: 0 0 3503 3503
[  364.268547]  warn_alloc.cold.116+0xb7/0x1bd
[  364.296020] Node 0 Normal free:13988kB min:37364kB low:46704kB high:56044kB active_anon:202336kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:412kB local_pcp:252kB free_cma:0kB
[  364.301222]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  364.305530] lowmem_reserve[]: 0 0 0 0
[  364.309854]  ? lock_downgrade+0x900/0x900
[  364.338817] 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
[  364.343671]  ? trace_hardirqs_off+0xb8/0x310
[  364.347440] Node 0 DMA32: 2*4kB (H) 3*8kB (UMH) 2*16kB (M) 2*32kB (MH) 5*64kB (MH) 4*128kB (M) 5*256kB (MH) 5*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 25280kB
[  364.351591]  ? trace_hardirqs_off+0xb8/0x310
[  364.365091] Node 0 Normal: 737*4kB (UMEH) 442*8kB (UME) 213*16kB (UME) 70*32kB (UME) 7*64kB (UMH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13988kB
[  364.369525]  __alloc_pages_slowpath+0x26e8/0x2e10
[  364.384959] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  364.389398]  ? warn_alloc+0x120/0x120
[  364.404707] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  364.404718] 881 total pagecache pages
[  364.409575]  ? print_usage_bug+0xc0/0xc0
[  364.418391] 0 pages in swap cache
[  364.422186]  ? warn_alloc+0x120/0x120
[  364.430747] Swap cache stats: add 0, delete 0, find 0/0
[  364.434557]  ? warn_alloc+0x120/0x120
[  364.438589] Free swap  = 0kB
[  364.442061]  ? print_usage_bug+0xc0/0xc0
[  364.445828] Total swap = 0kB
[  364.445836] 1965979 pages RAM
[  364.451204]  ? kvm_clock_read+0x18/0x30
[  364.454975] 0 pages HighMem/MovableOnly
[  364.454984] 342858 pages reserved
[  364.458004]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  364.462039] 0 pages cma reserved
[  364.465058]  ? print_usage_bug+0xc0/0xc0
[  364.468198] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  364.472103]  ? __lock_acquire+0x62f/0x4c20
[  364.472125]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  364.472142]  ? should_fail+0x22d/0xd01
[  364.476162] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  364.479551]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  364.484540] syz-fuzzer cpuset=/ mems_allowed=0
[  364.487907]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  364.537265]  ? __lock_acquire+0x62f/0x4c20
[  364.541519]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  364.546643]  ? __lock_acquire+0x62f/0x4c20
[  364.550884]  ? should_fail+0x22d/0xd01
[  364.554775]  ? rcu_irq_exit+0x1a2/0x390
[  364.558769]  ? mark_held_locks+0x130/0x130
[  364.563015]  ? mark_held_locks+0x130/0x130
[  364.567257]  ? mark_held_locks+0xc7/0x130
[  364.571408]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  364.576429]  ? zap_class+0x640/0x640
[  364.580146]  ? print_usage_bug+0xc0/0xc0
[  364.584215]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.589760]  ? check_preemption_disabled+0x48/0x280
[  364.594793]  ? __lock_is_held+0xb5/0x140
[  364.598866]  __alloc_pages_nodemask+0xa80/0xde0
[  364.603556]  ? zap_class+0x640/0x640
[  364.607279]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  364.612308]  ? find_held_lock+0x36/0x1c0
[  364.616381]  ? ____cache_alloc_node+0x1c7/0x1e0
[  364.621061]  ? lock_downgrade+0x900/0x900
[  364.625235]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.630792]  cache_grow_begin+0xa5/0x8c0
[  364.634863]  ? do_raw_spin_unlock+0xa7/0x330
[  364.639284]  fallback_alloc+0x204/0x2e0
[  364.643286]  ____cache_alloc_node+0x1c7/0x1e0
[  364.647799]  kmem_cache_alloc_node+0xe3/0x730
[  364.652299]  ? ipv6_get_ifaddr+0x42e/0x620
[  364.656565]  __alloc_skb+0x119/0x770
[  364.660279]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  364.665563]  ? netdev_alloc_frag+0x1f0/0x1f0
[  364.669973]  ? lock_downgrade+0x900/0x900
[  364.674132]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.679671]  ? refcount_sub_and_test_checked+0x203/0x310
[  364.685140]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  364.690596]  ? addrconf_rs_timer+0x690/0x690
[  364.695021]  ndisc_alloc_skb+0x144/0x340
[  364.699086]  ndisc_send_rs+0x331/0x6e0
[  364.702977]  addrconf_rs_timer+0x314/0x690
[  364.707226]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.711475]  call_timer_fn+0x272/0x920
[  364.715362]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.719599]  ? process_timeout+0x40/0x40
[  364.723673]  ? __run_timers+0x7da/0xc70
[  364.727665]  ? _raw_spin_unlock_irq+0x27/0x80
[  364.732172]  ? _raw_spin_unlock_irq+0x27/0x80
[  364.736667]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.740916]  ? lockdep_hardirqs_on+0x296/0x5b0
[  364.745507]  ? trace_hardirqs_on+0xbd/0x310
[  364.749834]  ? kasan_check_read+0x11/0x20
[  364.753981]  ? __run_timers+0x7da/0xc70
[  364.757975]  ? trace_hardirqs_off_caller+0x310/0x310
[  364.763083]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.767326]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.772068]  __run_timers+0x7e5/0xc70
[  364.775882]  ? timer_fixup_init+0x70/0x70
[  364.780036]  ? kasan_check_read+0x11/0x20
[  364.784204]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  364.789491]  ? rcu_softirq_qs+0x20/0x20
[  364.793473]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.799020]  ? check_preemption_disabled+0x48/0x280
[  364.804054]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  364.808825]  ? retint_kernel+0x2d/0x2d
[  364.812733]  ? trace_hardirqs_on_caller+0xc0/0x310
[  364.817667]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  364.822437]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  364.827900]  ? zap_class+0x640/0x640
[  364.831624]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.837167]  ? check_preemption_disabled+0x48/0x280
[  364.842200]  ? __lock_is_held+0xb5/0x140
[  364.846269]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.851814]  ? check_preemption_disabled+0x48/0x280
[  364.856839]  run_timer_softirq+0x52/0xb0
[  364.860903]  ? rcu_read_lock_sched_held+0x14f/0x180
[  364.865923]  __do_softirq+0x308/0xb7e
[  364.869741]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  364.874239]  ? lock_downgrade+0x900/0x900
[  364.878403]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  364.883527]  ? pvclock_read_flags+0x160/0x160
[  364.888050]  ? lapic_next_event+0x5a/0x90
[  364.892224]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.897774]  ? kvm_clock_read+0x18/0x30
[  364.901751]  ? kvm_sched_clock_read+0x9/0x20
[  364.906165]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.911723]  ? check_preemption_disabled+0x48/0x280
[  364.916762]  irq_exit+0x17f/0x1c0
[  364.920225]  smp_apic_timer_interrupt+0x1cb/0x760
[  364.925072]  ? smp_reschedule_interrupt+0x109/0x650
[  364.930095]  ? smp_call_function_single_interrupt+0x650/0x650
[  364.935986]  ? interrupt_entry+0xb5/0xc0
[  364.940051]  ? trace_hardirqs_off_caller+0xbb/0x310
[  364.945067]  ? trace_hardirqs_off_caller+0xbb/0x310
[  364.950083]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  364.954931]  ? trace_hardirqs_on_caller+0x310/0x310
[  364.959946]  ? trace_hardirqs_on_caller+0x310/0x310
[  364.964965]  ? task_prio+0x50/0x50
[  364.968510]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.974049]  ? check_preemption_disabled+0x48/0x280
[  364.979073]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  364.983931]  apic_timer_interrupt+0xf/0x20
[  364.988161]  </IRQ>
[  364.990402] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  364.995333] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 14
[  365.014241] RSP: 0000:ffff8801bf14f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  365.021951] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  365.029218] RDX: 0000000000000000 RSI: ffff8801b68a4c40 RDI: 0000000000000286
[  365.036488] RBP: ffff8801bf14f7a0 R08: ffff8801b68a43c0 R09: 0000000000000000
[  365.043758] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  365.051029] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  365.058349]  skb_clone+0x1bb/0x500
[  365.061898]  ? finish_task_switch+0x2f4/0x910
[  365.066398]  ? skb_split+0x11e0/0x11e0
[  365.070295]  ? preempt_notifier_register+0x200/0x200
[  365.075402]  ? __switch_to_asm+0x34/0x70
[  365.079470]  ? __switch_to_asm+0x34/0x70
[  365.083533]  ? __switch_to_asm+0x40/0x70
[  365.087594]  ? __switch_to_asm+0x34/0x70
[  365.091653]  ? __switch_to_asm+0x40/0x70
[  365.095726]  ? __switch_to_asm+0x34/0x70
[  365.099793]  ? __switch_to_asm+0x40/0x70
[  365.103884]  ? __switch_to_asm+0x34/0x70
[  365.107953]  ? __switch_to_asm+0x34/0x70
[  365.112017]  ? __switch_to_asm+0x40/0x70
[  365.116084]  ? __switch_to_asm+0x34/0x70
[  365.120158]  bpf_clone_redirect+0xb9/0x490
[  365.124395]  ? __schedule+0x8d7/0x21d0
[  365.128291]  bpf_prog_bebbfe2050753572+0x6c2/0x1000
[  365.133310]  ? __sched_text_start+0x8/0x8
[  365.137465]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  365.142231]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  365.146844]  ? retint_kernel+0x2d/0x2d
[  365.150749]  ? find_held_lock+0x36/0x1c0
[  365.154823]  ? lock_acquire+0x1ed/0x520
[  365.158799]  ? bpf_test_run+0x3cb/0x780
[  365.162778]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.168319]  ? check_preemption_disabled+0x48/0x280
[  365.173346]  ? kasan_check_read+0x11/0x20
[  365.177497]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  365.182794]  ? rcu_softirq_qs+0x20/0x20
[  365.186774]  ? preempt_schedule+0x4d/0x60
[  365.190926]  ? ___preempt_schedule+0x16/0x18
[  365.195346]  ? bpf_test_run+0x25d/0x780
[  365.199337]  ? netlink_diag_dump+0x2a0/0x2a0
[  365.203753]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.209297]  ? bpf_test_init.isra.10+0x70/0x100
[  365.213973]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  365.218749]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  365.223596]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  365.229139]  ? fput+0x130/0x1a0
[  365.232424]  ? __bpf_prog_get+0x9b/0x290
[  365.236490]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  365.241335]  ? bpf_prog_test_run+0x130/0x1a0
[  365.245749]  ? __x64_sys_bpf+0x3d8/0x520
[  365.249812]  ? bpf_prog_get+0x20/0x20
[  365.253653]  ? do_syscall_64+0x1b9/0x820
[  365.257727]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  365.263104]  ? syscall_return_slowpath+0x5e0/0x5e0
[  365.268040]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  365.272890]  ? trace_hardirqs_on_caller+0x310/0x310
[  365.277910]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  365.282929]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.288471]  ? prepare_exit_to_usermode+0x291/0x3b0
[  365.293499]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  365.298358]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  365.303751] CPU: 1 PID: 5666 Comm: syz-fuzzer Not tainted 4.19.0+ #74
[  365.303837] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  365.310333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  365.310342] Call Trace:
[  365.316922] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  365.326170]  <IRQ>
[  365.328743] syz-executor5 cpuset=syz5 mems_allowed=0
[  365.339235]  dump_stack+0x244/0x39d
[  365.353937]  ? dump_stack_print_info.cold.1+0x20/0x20
[  365.359155]  warn_alloc.cold.116+0xb7/0x1bd
[  365.363481]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  365.368334]  ? lock_downgrade+0x900/0x900
[  365.372497]  ? trace_hardirqs_off+0xb8/0x310
[  365.376918]  ? trace_hardirqs_off+0xb8/0x310
[  365.381339]  __alloc_pages_slowpath+0x26e8/0x2e10
[  365.386219]  ? warn_alloc+0x120/0x120
[  365.390024]  ? print_usage_bug+0xc0/0xc0
[  365.394091]  ? warn_alloc+0x120/0x120
[  365.397901]  ? warn_alloc+0x120/0x120
[  365.401715]  ? print_usage_bug+0xc0/0xc0
[  365.405785]  ? print_usage_bug+0xc0/0xc0
[  365.409849]  ? __lock_acquire+0x62f/0x4c20
[  365.414095]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.419639]  ? should_fail+0x22d/0xd01
[  365.423535]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  365.428643]  ? __lock_acquire+0x62f/0x4c20
[  365.432891]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  365.438001]  ? __lock_acquire+0x62f/0x4c20
[  365.442241]  ? should_fail+0x22d/0xd01
[  365.446134]  ? find_held_lock+0x36/0x1c0
[  365.450214]  ? mark_held_locks+0x130/0x130
[  365.454460]  ? mark_held_locks+0x130/0x130
[  365.458702]  ? zap_class+0x640/0x640
[  365.462421]  ? zap_class+0x640/0x640
[  365.466142]  ? print_usage_bug+0xc0/0xc0
[  365.470212]  ? do_raw_spin_unlock+0xa7/0x330
[  365.474625]  ? zap_class+0x640/0x640
[  365.478341]  ? print_usage_bug+0xc0/0xc0
[  365.482406]  ? wq_watchdog_touch+0x9c/0xfe
[  365.486651]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.492196]  ? check_preemption_disabled+0x48/0x280
[  365.497244]  ? __lock_is_held+0xb5/0x140
[  365.501318]  __alloc_pages_nodemask+0xa80/0xde0
[  365.505993]  ? zap_class+0x640/0x640
[  365.509728]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  365.514768]  ? find_held_lock+0x36/0x1c0
[  365.518851]  ? ____cache_alloc_node+0x1c7/0x1e0
[  365.523525]  ? lock_downgrade+0x900/0x900
[  365.527688]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.533251]  cache_grow_begin+0xa5/0x8c0
[  365.537318]  ? do_raw_spin_unlock+0xa7/0x330
[  365.541739]  fallback_alloc+0x204/0x2e0
[  365.545734]  ____cache_alloc_node+0x1c7/0x1e0
[  365.550250]  kmem_cache_alloc_node+0xe3/0x730
[  365.554751]  ? ipv6_get_ifaddr+0x42e/0x620
[  365.559001]  __alloc_skb+0x119/0x770
[  365.562721]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  365.568013]  ? netdev_alloc_frag+0x1f0/0x1f0
[  365.572427]  ? lock_downgrade+0x900/0x900
[  365.576585]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.582127]  ? refcount_sub_and_test_checked+0x203/0x310
[  365.587585]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  365.593043]  ? addrconf_rs_timer+0x690/0x690
[  365.597470]  ndisc_alloc_skb+0x144/0x340
[  365.601541]  ndisc_send_rs+0x331/0x6e0
[  365.605436]  addrconf_rs_timer+0x314/0x690
[  365.609684]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.613949]  call_timer_fn+0x272/0x920
[  365.617838]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.622088]  ? process_timeout+0x40/0x40
[  365.626162]  ? mark_held_locks+0xc7/0x130
[  365.630315]  ? _raw_spin_unlock_irq+0x27/0x80
[  365.634814]  ? _raw_spin_unlock_irq+0x27/0x80
[  365.639312]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.643554]  ? lockdep_hardirqs_on+0x296/0x5b0
[  365.648146]  ? trace_hardirqs_on+0xbd/0x310
[  365.652474]  ? kasan_check_read+0x11/0x20
[  365.656622]  ? __run_timers+0x7da/0xc70
[  365.660600]  ? trace_hardirqs_off_caller+0x310/0x310
[  365.665715]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.669962]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.674211]  __run_timers+0x7e5/0xc70
[  365.678031]  ? timer_fixup_init+0x70/0x70
[  365.682192]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  365.687230]  ? zap_class+0x640/0x640
[  365.690963]  ? print_usage_bug+0xc0/0xc0
[  365.695038]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  365.700243]  ? find_held_lock+0x36/0x1c0
[  365.704316]  ? zap_class+0x640/0x640
[  365.708037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.713580]  ? check_preemption_disabled+0x48/0x280
[  365.718614]  ? __lock_is_held+0xb5/0x140
[  365.722681]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.728237]  ? check_preemption_disabled+0x48/0x280
[  365.733269]  run_timer_softirq+0x52/0xb0
[  365.737335]  ? rcu_read_lock_sched_held+0x14f/0x180
[  365.742360]  __do_softirq+0x308/0xb7e
[  365.746167]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  365.750667]  ? lock_downgrade+0x900/0x900
[  365.754828]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  365.759941]  ? pvclock_read_flags+0x160/0x160
[  365.764442]  ? lapic_next_event+0x5a/0x90
[  365.768607]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.774405]  ? kvm_clock_read+0x18/0x30
[  365.778384]  ? kvm_sched_clock_read+0x9/0x20
[  365.782799]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.788342]  ? check_preemption_disabled+0x48/0x280
[  365.793369]  irq_exit+0x17f/0x1c0
[  365.796834]  smp_apic_timer_interrupt+0x1cb/0x760
[  365.801683]  ? smp_reschedule_interrupt+0x109/0x650
[  365.806724]  ? smp_call_function_single_interrupt+0x650/0x650
[  365.812630]  ? interrupt_entry+0xb5/0xc0
[  365.816732]  ? trace_hardirqs_off_caller+0xbb/0x310
[  365.821753]  ? trace_hardirqs_off_caller+0xbb/0x310
[  365.826775]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  365.831878]  ? trace_hardirqs_on_caller+0x310/0x310
[  365.837010]  ? trace_hardirqs_on_caller+0x310/0x310
[  365.842047]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  365.846907]  apic_timer_interrupt+0xf/0x20
[  365.851140]  </IRQ>
[  365.853384] RIP: 0010:dump_stack+0x358/0x39d
[  365.857799] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 a1 9c fd f9 48 83 3d 29 00 8d 01 00 0f 84 63 fe ff ff e8 ee 69 ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db 69 ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  365.876717] RSP: 0000:ffff8801b9cce1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  365.884437] RAX: ffff8801d71b2040 RBX: 1ffffffff12a3f46 RCX: 1ffff1003ae36526
[  365.891718] RDX: 0000000000000000 RSI: ffffffff87c4fa12 RDI: 0000000000000293
[  365.898991] RBP: ffff8801b9cce290 R08: ffff8801d71b2930 R09: 0000000000000006
[  365.906668] R10: 0000000000000000 R11: ffff8801d71b2040 R12: 1ffff10037399c45
[  365.913947] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  365.921250]  ? dump_stack+0x34f/0x39d
[  365.925069]  ? dump_stack_print_info.cold.1+0x20/0x20
[  365.930269]  ? mark_held_locks+0x130/0x130
[  365.934516]  ? mark_held_locks+0x130/0x130
[  365.938760]  dump_header+0x27b/0xf72
[  365.942488]  ? pagefault_out_of_memory+0x197/0x197
[  365.947432]  ? __lock_acquire+0x62f/0x4c20
[  365.951670]  ? percpu_ref_get_many+0x240/0x240
[  365.956264]  ? print_usage_bug+0xc0/0xc0
[  365.960333]  ? zap_class+0x640/0x640
[  365.964055]  ? print_usage_bug+0xc0/0xc0
[  365.968115]  ? print_usage_bug+0xc0/0xc0
[  365.972178]  ? zap_class+0x640/0x640
[  365.975908]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.981450]  ? find_held_lock+0x36/0x1c0
[  365.985525]  ? mark_held_locks+0xc7/0x130
[  365.989682]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  365.994795]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  365.999905]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  366.004492]  ? trace_hardirqs_on+0xbd/0x310
[  366.008816]  ? kasan_check_read+0x11/0x20
[  366.012969]  ? ___ratelimit+0x3b4/0x672
[  366.016963]  ? trace_hardirqs_off_caller+0x310/0x310
[  366.022072]  ? trace_hardirqs_on+0x310/0x310
[  366.026487]  ? lock_downgrade+0x900/0x900
[  366.030646]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  366.035753]  ? ___ratelimit+0x3b9/0x672
[  366.039734]  ? idr_get_free+0xf80/0xf80
[  366.043718]  ? find_held_lock+0x36/0x1c0
[  366.047794]  oom_kill_process.cold.27+0x10/0x903
[  366.052558]  ? zap_class+0x640/0x640
[  366.056277]  ? check_preemption_disabled+0x48/0x280
[  366.061302]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  366.066239]  ? kasan_check_read+0x11/0x20
[  366.070389]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  366.075673]  ? oom_evaluate_task+0x540/0x540
[  366.080094]  ? find_held_lock+0x36/0x1c0
[  366.084165]  ? out_of_memory+0x974/0x1430
[  366.088318]  ? lock_downgrade+0x900/0x900
[  366.092473]  ? check_preemption_disabled+0x48/0x280
[  366.097499]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  366.102430]  ? kasan_check_read+0x11/0x20
[  366.106581]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  366.111862]  ? rcu_softirq_qs+0x20/0x20
[  366.115843]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.121384]  ? oom_evaluate_task+0x302/0x540
[  366.125801]  out_of_memory+0xa84/0x1430
[  366.129793]  ? oom_killer_disable+0x3a0/0x3a0
[  366.134295]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  366.139235]  ? __ww_mutex_check_waiters+0x160/0x160
[  366.144306]  __alloc_pages_slowpath+0x2354/0x2e10
[  366.149185]  ? warn_alloc+0x120/0x120
[  366.152994]  ? mark_held_locks+0x130/0x130
[  366.157240]  ? find_get_entry+0xaae/0x1120
[  366.161505]  ? filemap_map_pages+0x1a20/0x1a20
[  366.166142]  ? zap_class+0x640/0x640
[  366.169869]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.175408]  ? check_preemption_disabled+0x48/0x280
[  366.180426]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.185968]  ? should_fail+0x22d/0xd01
[  366.189950]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  366.195065]  ? zap_class+0x640/0x640
[  366.198812]  ? __lock_is_held+0xb5/0x140
[  366.202891]  ? mark_held_locks+0x130/0x130
[  366.207141]  ? lock_release+0xa00/0xa00
[  366.211122]  ? perf_trace_sched_process_exec+0x860/0x860
[  366.216582]  ? xa_load+0x2ba/0x460
[  366.220134]  ? lock_downgrade+0x900/0x900
[  366.224297]  ? __might_sleep+0x95/0x190
[  366.228290]  __alloc_pages_nodemask+0xa80/0xde0
[  366.232979]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  366.238007]  ? __page_cache_alloc+0x191/0x5c0
[  366.242506]  ? xa_load+0x2e1/0x460
[  366.246054]  ? xa_clear_mark+0x40/0x40
[  366.249952]  ? zap_class+0x640/0x640
[  366.253678]  ? zap_class+0x640/0x640
[  366.257417]  ? zap_class+0x640/0x640
[  366.261155]  ? __do_page_cache_readahead+0x663/0x810
[  366.266275]  ? find_held_lock+0x36/0x1c0
[  366.270351]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  366.275916]  alloc_pages_current+0x173/0x350
[  366.280341]  __page_cache_alloc+0x38c/0x5c0
[  366.284671]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  366.289614]  ? kasan_check_read+0x11/0x20
[  366.293776]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  366.299069]  ? generic_perform_write+0x6a0/0x6a0
[  366.303838]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.309388]  ? check_preemption_disabled+0x48/0x280
[  366.314423]  filemap_fault+0x1595/0x25f0
[  366.318519]  ? __lock_page_or_retry+0xa00/0xa00
[  366.323199]  ? mark_held_locks+0x130/0x130
[  366.327455]  ? filemap_map_pages+0xd6b/0x1a20
[  366.331957]  ? lock_downgrade+0x900/0x900
[  366.336106]  ? check_preemption_disabled+0x48/0x280
[  366.341130]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  366.346064]  ? kasan_check_read+0x11/0x20
[  366.350218]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  366.355519]  ? rcu_softirq_qs+0x20/0x20
[  366.359515]  ? filemap_map_pages+0xd92/0x1a20
[  366.364022]  ? __lock_acquire+0x62f/0x4c20
[  366.368274]  ? find_get_entries_tag+0x1400/0x1400
[  366.373141]  ? lock_acquire+0x1ed/0x520
[  366.377222]  ? ext4_filemap_fault+0x7a/0xad
[  366.381557]  ? lock_release+0xa00/0xa00
[  366.385535]  ? perf_trace_sched_process_exec+0x860/0x860
[  366.390996]  ? print_usage_bug+0xc0/0xc0
[  366.395063]  ? print_usage_bug+0xc0/0xc0
[  366.399137]  ? down_read+0x8d/0x120
[  366.402765]  ? ext4_filemap_fault+0x7a/0xad
[  366.407093]  ? __down_interruptible+0x700/0x700
[  366.411775]  ext4_filemap_fault+0x82/0xad
[  366.415926]  __do_fault+0x100/0x6b0
[  366.419562]  ? pmd_devmap_trans_unstable+0x220/0x220
[  366.424675]  ? mark_held_locks+0x130/0x130
[  366.428923]  ? mark_held_locks+0x130/0x130
[  366.433160]  ? __might_fault+0x12b/0x1e0
[  366.437233]  ? lock_downgrade+0x900/0x900
[  366.441392]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.446943]  __handle_mm_fault+0x3ea6/0x5be0
[  366.451365]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  366.456224]  ? kasan_check_read+0x11/0x20
[  366.460376]  ? _copy_to_user+0xc8/0x110
[  366.464359]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.469913]  ? zap_class+0x640/0x640
[  366.473630]  ? zap_class+0x640/0x640
[  366.477354]  ? find_held_lock+0x36/0x1c0
[  366.481431]  ? handle_mm_fault+0x42a/0xc70
[  366.485670]  ? lock_downgrade+0x900/0x900
[  366.489834]  ? check_preemption_disabled+0x48/0x280
[  366.494858]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  366.499792]  ? kasan_check_read+0x11/0x20
[  366.503944]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  366.509228]  ? rcu_softirq_qs+0x20/0x20
[  366.513211]  ? trace_hardirqs_off_caller+0x310/0x310
[  366.518323]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.523869]  ? check_preemption_disabled+0x48/0x280
[  366.528902]  handle_mm_fault+0x54f/0xc70
[  366.532973]  ? __handle_mm_fault+0x5be0/0x5be0
[  366.537561]  ? find_vma+0x34/0x190
[  366.541111]  __do_page_fault+0x5e8/0xe60
[  366.545181]  ? trace_hardirqs_off+0xb8/0x310
[  366.549597]  ? retint_kernel+0x2d/0x2d
[  366.553504]  do_page_fault+0xf2/0x7e0
[  366.557308]  ? vmalloc_sync_all+0x30/0x30
[  366.561463]  ? error_entry+0x70/0xd0
[  366.565185]  ? trace_hardirqs_off_caller+0xbb/0x310
[  366.570213]  ? trace_hardirqs_on_caller+0xc0/0x310
[  366.575151]  ? syscall_return_slowpath+0x5e0/0x5e0
[  366.580083]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  366.584935]  ? trace_hardirqs_on_caller+0x310/0x310
[  366.589983]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  366.595447]  ? prepare_exit_to_usermode+0x291/0x3b0
[  366.600469]  ? page_fault+0x8/0x30
[  366.604017]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  366.608867]  ? page_fault+0x8/0x30
[  366.612415]  page_fault+0x1e/0x30
[  366.615870] RIP: 0033:0x45d911
[  366.619078] Code: Bad RIP value.
[  366.622443] RSP: 002b:000000c420035f18 EFLAGS: 00010246
[  366.627805] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 000000000045d911
[  366.635082] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  366.642360] RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
[  366.649641] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  366.656922] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  366.664224] warn_alloc_show_mem: 1 callbacks suppressed
[  366.664236] CPU: 0 PID: 11721 Comm: syz-executor5 Not tainted 4.19.0+ #74
[  366.664238] Mem-Info:
[  366.664269] active_anon:50643 inactive_anon:847 isolated_anon:0
[  366.664269]  active_file:14 inactive_file:13 isolated_file:0
[  366.664269]  unevictable:0 dirty:0 writeback:0 unstable:0
[  366.664269]  slab_reclaimable:9230 slab_unreclaimable:1469886
[  366.664269]  mapped:49154 shmem:854 pagetables:629 bounce:0
[  366.664269]  free:13794 free_pcp:158 free_cma:0
[  366.669613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  366.669622] Call Trace:
[  366.676568] Node 0 active_anon:202572kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3416kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  366.678973]  <IRQ>
[  366.711871] 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
[  366.721246]  dump_stack+0x244/0x39d
[  366.723829] lowmem_reserve[]: 0 2818 6321 6321
[  366.751543]  ? dump_stack_print_info.cold.1+0x20/0x20
[  366.753671] Node 0 DMA32 free:25280kB min:30052kB low:37564kB high:45076kB active_anon:236kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  366.780244]  warn_alloc.cold.116+0xb7/0x1bd
[  366.783844] lowmem_reserve[]: 0 0 3503 3503
[  366.788421]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  366.793759] Node 0 Normal free:13988kB min:37364kB low:46704kB high:56044kB active_anon:202336kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:412kB local_pcp:252kB free_cma:0kB
[  366.821268]  ? lock_downgrade+0x900/0x900
[  366.825561] lowmem_reserve[]: 0 0 0 0
[  366.829883]  ? trace_hardirqs_off+0xb8/0x310
[  366.834724] 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
[  366.863730]  ? trace_hardirqs_off+0xb8/0x310
[  366.867863] Node 0 DMA32: 2*4kB (H) 3*8kB (UMH) 2*16kB (M) 2*32kB (MH) 5*64kB (MH) 4*128kB (M) 5*256kB (MH) 5*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 25280kB
[  366.871672]  __alloc_pages_slowpath+0x26e8/0x2e10
[  366.876049] Node 0 Normal: 737*4kB (UMEH) 442*8kB (UME) 213*16kB (UME) 70*32kB (UME) 7*64kB (UMH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13988kB
[  366.889605]  ? warn_alloc+0x120/0x120
[  366.893982] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  366.909452]  ? print_usage_bug+0xc0/0xc0
[  366.914275] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  366.929620]  ? warn_alloc+0x120/0x120
[  366.933395] 881 total pagecache pages
[  366.942228]  ? warn_alloc+0x120/0x120
[  366.946272] 0 pages in swap cache
[  366.954836]  ? print_usage_bug+0xc0/0xc0
[  366.958612] Swap cache stats: add 0, delete 0, find 0/0
[  366.962418]  ? kvm_clock_read+0x18/0x30
[  366.966195] Free swap  = 0kB
[  366.969643]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  366.973673] Total swap = 0kB
[  366.973682] 1965979 pages RAM
[  366.979054]  ? print_usage_bug+0xc0/0xc0
[  366.983002] 0 pages HighMem/MovableOnly
[  366.986013]  ? __lock_acquire+0x62f/0x4c20
[  366.990997] 342858 pages reserved
[  366.991005] 0 pages cma reserved
[  366.994033]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.997173] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  367.001167]  ? should_fail+0x22d/0xd01
[  367.005202] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  367.009344]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  367.012773] syz-fuzzer cpuset=/ mems_allowed=0
[  367.016131]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  367.057118]  ? __lock_acquire+0x62f/0x4c20
[  367.061358]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  367.066461]  ? __lock_acquire+0x62f/0x4c20
[  367.070709]  ? should_fail+0x22d/0xd01
[  367.074635]  ? rcu_irq_exit+0x1a2/0x390
[  367.078620]  ? mark_held_locks+0x130/0x130
[  367.082861]  ? mark_held_locks+0x130/0x130
[  367.087101]  ? mark_held_locks+0xc7/0x130
[  367.091252]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  367.096272]  ? zap_class+0x640/0x640
[  367.099989]  ? print_usage_bug+0xc0/0xc0
[  367.104057]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.109595]  ? check_preemption_disabled+0x48/0x280
[  367.114620]  ? __lock_is_held+0xb5/0x140
[  367.118713]  __alloc_pages_nodemask+0xa80/0xde0
[  367.123388]  ? zap_class+0x640/0x640
[  367.127112]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  367.132141]  ? find_held_lock+0x36/0x1c0
[  367.136216]  ? ____cache_alloc_node+0x1c7/0x1e0
[  367.140891]  ? lock_downgrade+0x900/0x900
[  367.145052]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.150597]  cache_grow_begin+0xa5/0x8c0
[  367.154659]  ? do_raw_spin_unlock+0xa7/0x330
[  367.159079]  fallback_alloc+0x204/0x2e0
[  367.163061]  ____cache_alloc_node+0x1c7/0x1e0
[  367.167565]  kmem_cache_alloc_node+0xe3/0x730
[  367.172062]  ? ipv6_get_ifaddr+0x42e/0x620
[  367.176311]  __alloc_skb+0x119/0x770
[  367.180027]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  367.185313]  ? netdev_alloc_frag+0x1f0/0x1f0
[  367.189732]  ? lock_downgrade+0x900/0x900
[  367.193889]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.199430]  ? refcount_sub_and_test_checked+0x203/0x310
[  367.204887]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  367.210341]  ? addrconf_rs_timer+0x690/0x690
[  367.214766]  ndisc_alloc_skb+0x144/0x340
[  367.218836]  ndisc_send_rs+0x331/0x6e0
[  367.222738]  addrconf_rs_timer+0x314/0x690
[  367.227045]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.231292]  call_timer_fn+0x272/0x920
[  367.235177]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.239416]  ? process_timeout+0x40/0x40
[  367.243486]  ? __run_timers+0x7da/0xc70
[  367.247469]  ? _raw_spin_unlock_irq+0x27/0x80
[  367.251964]  ? _raw_spin_unlock_irq+0x27/0x80
[  367.256456]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.260692]  ? lockdep_hardirqs_on+0x296/0x5b0
[  367.265298]  ? trace_hardirqs_on+0xbd/0x310
[  367.269621]  ? kasan_check_read+0x11/0x20
[  367.273767]  ? __run_timers+0x7da/0xc70
[  367.277748]  ? trace_hardirqs_off_caller+0x310/0x310
[  367.282859]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.287098]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.291334]  __run_timers+0x7e5/0xc70
[  367.295145]  ? timer_fixup_init+0x70/0x70
[  367.299302]  ? kasan_check_read+0x11/0x20
[  367.303450]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  367.308739]  ? rcu_softirq_qs+0x20/0x20
[  367.312730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.318274]  ? check_preemption_disabled+0x48/0x280
[  367.323297]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  367.328058]  ? retint_kernel+0x2d/0x2d
[  367.331954]  ? trace_hardirqs_on_caller+0xc0/0x310
[  367.336885]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  367.341647]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  367.347103]  ? zap_class+0x640/0x640
[  367.350841]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.356381]  ? check_preemption_disabled+0x48/0x280
[  367.361412]  ? __lock_is_held+0xb5/0x140
[  367.365476]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.371014]  ? check_preemption_disabled+0x48/0x280
[  367.376036]  run_timer_softirq+0x52/0xb0
[  367.380098]  ? rcu_read_lock_sched_held+0x14f/0x180
[  367.385117]  __do_softirq+0x308/0xb7e
[  367.388924]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  367.393420]  ? lock_downgrade+0x900/0x900
[  367.397575]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  367.402688]  ? pvclock_read_flags+0x160/0x160
[  367.407202]  ? lapic_next_event+0x5a/0x90
[  367.411355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.416897]  ? kvm_clock_read+0x18/0x30
[  367.420872]  ? kvm_sched_clock_read+0x9/0x20
[  367.425282]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.430826]  ? check_preemption_disabled+0x48/0x280
[  367.435856]  irq_exit+0x17f/0x1c0
[  367.439315]  smp_apic_timer_interrupt+0x1cb/0x760
[  367.444248]  ? smp_reschedule_interrupt+0x109/0x650
[  367.449274]  ? smp_call_function_single_interrupt+0x650/0x650
[  367.455161]  ? interrupt_entry+0xb5/0xc0
[  367.459227]  ? trace_hardirqs_off_caller+0xbb/0x310
[  367.464243]  ? trace_hardirqs_off_caller+0xbb/0x310
[  367.469263]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  367.474106]  ? trace_hardirqs_on_caller+0x310/0x310
[  367.479126]  ? trace_hardirqs_on_caller+0x310/0x310
[  367.484143]  ? task_prio+0x50/0x50
[  367.487686]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.493241]  ? check_preemption_disabled+0x48/0x280
[  367.498268]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  367.503121]  apic_timer_interrupt+0xf/0x20
[  367.507365]  </IRQ>
[  367.509607] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  367.514536] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 14
[  367.533441] RSP: 0000:ffff8801bf14f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  367.541150] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  367.548419] RDX: 0000000000000000 RSI: ffff8801b68a4c40 RDI: 0000000000000286
[  367.555688] RBP: ffff8801bf14f7a0 R08: ffff8801b68a43c0 R09: 0000000000000000
[  367.562968] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  367.570235] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  367.577816]  skb_clone+0x1bb/0x500
[  367.581364]  ? finish_task_switch+0x2f4/0x910
[  367.585862]  ? skb_split+0x11e0/0x11e0
[  367.589772]  ? preempt_notifier_register+0x200/0x200
[  367.594878]  ? __switch_to_asm+0x34/0x70
[  367.598941]  ? __switch_to_asm+0x34/0x70
[  367.603001]  ? __switch_to_asm+0x40/0x70
[  367.607063]  ? __switch_to_asm+0x34/0x70
[  367.611121]  ? __switch_to_asm+0x40/0x70
[  367.615179]  ? __switch_to_asm+0x34/0x70
[  367.619240]  ? __switch_to_asm+0x40/0x70
[  367.623300]  ? __switch_to_asm+0x34/0x70
[  367.627360]  ? __switch_to_asm+0x34/0x70
[  367.631421]  ? __switch_to_asm+0x40/0x70
[  367.635481]  ? __switch_to_asm+0x34/0x70
[  367.639566]  bpf_clone_redirect+0xb9/0x490
[  367.643808]  ? __schedule+0x8d7/0x21d0
[  367.647716]  bpf_prog_bebbfe2050753572+0x6c2/0x1000
[  367.652744]  ? __sched_text_start+0x8/0x8
[  367.656899]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  367.661675]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  367.666272]  ? retint_kernel+0x2d/0x2d
[  367.670166]  ? find_held_lock+0x36/0x1c0
[  367.674241]  ? lock_acquire+0x1ed/0x520
[  367.678219]  ? bpf_test_run+0x3cb/0x780
[  367.682196]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.687739]  ? check_preemption_disabled+0x48/0x280
[  367.692762]  ? kasan_check_read+0x11/0x20
[  367.696910]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  367.702186]  ? rcu_softirq_qs+0x20/0x20
[  367.706163]  ? preempt_schedule+0x4d/0x60
[  367.710313]  ? ___preempt_schedule+0x16/0x18
[  367.714745]  ? bpf_test_run+0x25d/0x780
[  367.718741]  ? netlink_diag_dump+0x2a0/0x2a0
[  367.723159]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  367.728711]  ? bpf_test_init.isra.10+0x70/0x100
[  367.733389]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  367.738157]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  367.743004]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  367.748545]  ? fput+0x130/0x1a0
[  367.751831]  ? __bpf_prog_get+0x9b/0x290
[  367.755895]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  367.760741]  ? bpf_prog_test_run+0x130/0x1a0
[  367.765159]  ? __x64_sys_bpf+0x3d8/0x520
[  367.769220]  ? bpf_prog_get+0x20/0x20
[  367.773444]  ? do_syscall_64+0x1b9/0x820
[  367.777506]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  367.782880]  ? syscall_return_slowpath+0x5e0/0x5e0
[  367.787813]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  367.792667]  ? trace_hardirqs_on_caller+0x310/0x310
[  367.797717]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  367.802742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.808284]  ? prepare_exit_to_usermode+0x291/0x3b0
[  367.813309]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  367.818167]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  367.823554] CPU: 1 PID: 5666 Comm: syz-fuzzer Not tainted 4.19.0+ #74
[  367.823643] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  367.830145] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  367.830154] Call Trace:
[  367.836805] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  367.846002]  <IRQ>
[  367.848594] syz-executor5 cpuset=syz5 mems_allowed=0
[  367.859077]  dump_stack+0x244/0x39d
[  367.869931]  ? dump_stack_print_info.cold.1+0x20/0x20
[  367.875141]  warn_alloc.cold.116+0xb7/0x1bd
[  367.879471]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  367.884325]  ? lock_downgrade+0x900/0x900
[  367.888486]  ? trace_hardirqs_off+0xb8/0x310
[  367.892904]  ? trace_hardirqs_off+0xb8/0x310
[  367.897327]  __alloc_pages_slowpath+0x26e8/0x2e10
[  367.902388]  ? warn_alloc+0x120/0x120
[  367.906192]  ? print_usage_bug+0xc0/0xc0
[  367.910264]  ? warn_alloc+0x120/0x120
[  367.914072]  ? warn_alloc+0x120/0x120
[  367.917878]  ? print_usage_bug+0xc0/0xc0
[  367.921942]  ? kvm_clock_read+0x18/0x30
[  367.925918]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  367.930939]  ? print_usage_bug+0xc0/0xc0
[  367.935002]  ? __lock_acquire+0x62f/0x4c20
[  367.939249]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  367.944787]  ? should_fail+0x22d/0xd01
[  367.948679]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  367.953971]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  367.959077]  ? __lock_acquire+0x62f/0x4c20
[  367.963318]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  367.968420]  ? __lock_acquire+0x62f/0x4c20
[  367.972666]  ? should_fail+0x22d/0xd01
[  367.976562]  ? rcu_irq_exit+0x1a2/0x390
[  367.980546]  ? mark_held_locks+0x130/0x130
[  367.984788]  ? mark_held_locks+0x130/0x130
[  367.989033]  ? mark_held_locks+0xc7/0x130
[  367.993184]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  367.998210]  ? zap_class+0x640/0x640
[  368.001929]  ? print_usage_bug+0xc0/0xc0
[  368.005998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.011539]  ? check_preemption_disabled+0x48/0x280
[  368.016576]  ? __lock_is_held+0xb5/0x140
[  368.020650]  __alloc_pages_nodemask+0xa80/0xde0
[  368.025323]  ? zap_class+0x640/0x640
[  368.029059]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  368.034089]  ? find_held_lock+0x36/0x1c0
[  368.038165]  ? ____cache_alloc_node+0x1c7/0x1e0
[  368.042844]  ? lock_downgrade+0x900/0x900
[  368.047087]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.052631]  cache_grow_begin+0xa5/0x8c0
[  368.056703]  ? do_raw_spin_unlock+0xa7/0x330
[  368.061134]  fallback_alloc+0x204/0x2e0
[  368.065116]  ____cache_alloc_node+0x1c7/0x1e0
[  368.069622]  kmem_cache_alloc_node+0xe3/0x730
[  368.074116]  ? ipv6_get_ifaddr+0x42e/0x620
[  368.078362]  __alloc_skb+0x119/0x770
[  368.082074]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  368.087357]  ? netdev_alloc_frag+0x1f0/0x1f0
[  368.091771]  ? lock_downgrade+0x900/0x900
[  368.095928]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.101467]  ? refcount_sub_and_test_checked+0x203/0x310
[  368.106922]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  368.112377]  ? addrconf_rs_timer+0x690/0x690
[  368.116801]  ndisc_alloc_skb+0x144/0x340
[  368.120868]  ndisc_send_rs+0x331/0x6e0
[  368.124795]  addrconf_rs_timer+0x314/0x690
[  368.129055]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.133328]  call_timer_fn+0x272/0x920
[  368.137219]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.141457]  ? process_timeout+0x40/0x40
[  368.145528]  ? mark_held_locks+0xc7/0x130
[  368.149684]  ? _raw_spin_unlock_irq+0x27/0x80
[  368.154190]  ? _raw_spin_unlock_irq+0x27/0x80
[  368.158690]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.162951]  ? lockdep_hardirqs_on+0x296/0x5b0
[  368.167536]  ? trace_hardirqs_on+0xbd/0x310
[  368.171862]  ? kasan_check_read+0x11/0x20
[  368.176009]  ? __run_timers+0x7da/0xc70
[  368.179987]  ? trace_hardirqs_off_caller+0x310/0x310
[  368.185102]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.189344]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.193576]  __run_timers+0x7e5/0xc70
[  368.197387]  ? timer_fixup_init+0x70/0x70
[  368.201539]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  368.206559]  ? zap_class+0x640/0x640
[  368.210284]  ? print_usage_bug+0xc0/0xc0
[  368.214377]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  368.219580]  ? find_held_lock+0x36/0x1c0
[  368.223647]  ? zap_class+0x640/0x640
[  368.227367]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.232908]  ? check_preemption_disabled+0x48/0x280
[  368.237937]  ? __lock_is_held+0xb5/0x140
[  368.242002]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.247547]  ? check_preemption_disabled+0x48/0x280
[  368.252572]  run_timer_softirq+0x52/0xb0
[  368.256640]  ? rcu_read_lock_sched_held+0x14f/0x180
[  368.261659]  __do_softirq+0x308/0xb7e
[  368.265469]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  368.269964]  ? lock_downgrade+0x900/0x900
[  368.274117]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  368.279235]  ? pvclock_read_flags+0x160/0x160
[  368.283734]  ? lapic_next_event+0x5a/0x90
[  368.287890]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.293435]  ? kvm_clock_read+0x18/0x30
[  368.297416]  ? kvm_sched_clock_read+0x9/0x20
[  368.301828]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.307369]  ? check_preemption_disabled+0x48/0x280
[  368.312396]  irq_exit+0x17f/0x1c0
[  368.315857]  smp_apic_timer_interrupt+0x1cb/0x760
[  368.320711]  ? smp_reschedule_interrupt+0x109/0x650
[  368.325739]  ? smp_call_function_single_interrupt+0x650/0x650
[  368.331631]  ? interrupt_entry+0xb5/0xc0
[  368.335707]  ? trace_hardirqs_off_caller+0xbb/0x310
[  368.340732]  ? trace_hardirqs_off_caller+0xbb/0x310
[  368.345752]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  368.350605]  ? trace_hardirqs_on_caller+0x310/0x310
[  368.355623]  ? trace_hardirqs_on_caller+0x310/0x310
[  368.360652]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  368.365522]  apic_timer_interrupt+0xf/0x20
[  368.369770]  </IRQ>
[  368.372010] RIP: 0010:dump_stack+0x358/0x39d
[  368.376421] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 a1 9c fd f9 48 83 3d 29 00 8d 01 00 0f 84 63 fe ff ff e8 ee 69 ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db 69 ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  368.395409] RSP: 0000:ffff8801b9cce1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  368.403118] RAX: ffff8801d71b2040 RBX: 1ffffffff12a3f46 RCX: 1ffff1003ae36526
[  368.410386] RDX: 0000000000000000 RSI: ffffffff87c4fa12 RDI: 0000000000000293
[  368.417654] RBP: ffff8801b9cce290 R08: ffff8801d71b2930 R09: 0000000000000006
[  368.424922] R10: 0000000000000000 R11: ffff8801d71b2040 R12: 1ffff10037399c45
[  368.432216] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  368.439504]  ? dump_stack+0x34f/0x39d
[  368.443319]  ? dump_stack_print_info.cold.1+0x20/0x20
[  368.448517]  ? mark_held_locks+0x130/0x130
[  368.452798]  ? mark_held_locks+0x130/0x130
[  368.457071]  dump_header+0x27b/0xf72
[  368.460800]  ? pagefault_out_of_memory+0x197/0x197
[  368.465745]  ? __lock_acquire+0x62f/0x4c20
[  368.469984]  ? percpu_ref_get_many+0x240/0x240
[  368.474573]  ? print_usage_bug+0xc0/0xc0
[  368.478678]  ? zap_class+0x640/0x640
[  368.482403]  ? print_usage_bug+0xc0/0xc0
[  368.486465]  ? print_usage_bug+0xc0/0xc0
[  368.490543]  ? zap_class+0x640/0x640
[  368.494265]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.499813]  ? find_held_lock+0x36/0x1c0
[  368.503888]  ? mark_held_locks+0xc7/0x130
[  368.508041]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  368.513149]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  368.518263]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  368.522850]  ? trace_hardirqs_on+0xbd/0x310
[  368.527177]  ? kasan_check_read+0x11/0x20
[  368.531330]  ? ___ratelimit+0x3b4/0x672
[  368.535308]  ? trace_hardirqs_off_caller+0x310/0x310
[  368.540441]  ? trace_hardirqs_on+0x310/0x310
[  368.544854]  ? lock_downgrade+0x900/0x900
[  368.549009]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  368.554127]  ? ___ratelimit+0x3b9/0x672
[  368.558110]  ? idr_get_free+0xf80/0xf80
[  368.562086]  ? find_held_lock+0x36/0x1c0
[  368.566163]  oom_kill_process.cold.27+0x10/0x903
[  368.570923]  ? zap_class+0x640/0x640
[  368.574641]  ? check_preemption_disabled+0x48/0x280
[  368.579681]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  368.584622]  ? kasan_check_read+0x11/0x20
[  368.588859]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  368.594138]  ? oom_evaluate_task+0x540/0x540
[  368.598553]  ? find_held_lock+0x36/0x1c0
[  368.602626]  ? out_of_memory+0x974/0x1430
[  368.606777]  ? lock_downgrade+0x900/0x900
[  368.610931]  ? check_preemption_disabled+0x48/0x280
[  368.615956]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  368.620886]  ? kasan_check_read+0x11/0x20
[  368.625036]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  368.630315]  ? rcu_softirq_qs+0x20/0x20
[  368.634383]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.639923]  ? oom_evaluate_task+0x302/0x540
[  368.644359]  out_of_memory+0xa84/0x1430
[  368.648346]  ? oom_killer_disable+0x3a0/0x3a0
[  368.652850]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  368.657787]  ? __ww_mutex_check_waiters+0x160/0x160
[  368.662820]  __alloc_pages_slowpath+0x2354/0x2e10
[  368.667705]  ? warn_alloc+0x120/0x120
[  368.671507]  ? mark_held_locks+0x130/0x130
[  368.675751]  ? find_get_entry+0xaae/0x1120
[  368.680014]  ? filemap_map_pages+0x1a20/0x1a20
[  368.684605]  ? zap_class+0x640/0x640
[  368.688329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.693869]  ? check_preemption_disabled+0x48/0x280
[  368.698885]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.704423]  ? should_fail+0x22d/0xd01
[  368.708320]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  368.713427]  ? zap_class+0x640/0x640
[  368.717170]  ? __lock_is_held+0xb5/0x140
[  368.721245]  ? mark_held_locks+0x130/0x130
[  368.725485]  ? lock_release+0xa00/0xa00
[  368.729465]  ? perf_trace_sched_process_exec+0x860/0x860
[  368.734916]  ? xa_load+0x2ba/0x460
[  368.738458]  ? lock_downgrade+0x900/0x900
[  368.742613]  ? __might_sleep+0x95/0x190
[  368.746594]  __alloc_pages_nodemask+0xa80/0xde0
[  368.751302]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  368.756411]  ? __page_cache_alloc+0x191/0x5c0
[  368.760903]  ? xa_load+0x2e1/0x460
[  368.764449]  ? xa_clear_mark+0x40/0x40
[  368.768341]  ? zap_class+0x640/0x640
[  368.772071]  ? zap_class+0x640/0x640
[  368.775788]  ? zap_class+0x640/0x640
[  368.779505]  ? __do_page_cache_readahead+0x663/0x810
[  368.784615]  ? find_held_lock+0x36/0x1c0
[  368.788682]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  368.794238]  alloc_pages_current+0x173/0x350
[  368.798654]  __page_cache_alloc+0x38c/0x5c0
[  368.803151]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  368.808082]  ? kasan_check_read+0x11/0x20
[  368.812235]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  368.817520]  ? generic_perform_write+0x6a0/0x6a0
[  368.822283]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.827826]  ? check_preemption_disabled+0x48/0x280
[  368.832857]  filemap_fault+0x1595/0x25f0
[  368.836934]  ? __lock_page_or_retry+0xa00/0xa00
[  368.841611]  ? mark_held_locks+0x130/0x130
[  368.845860]  ? filemap_map_pages+0xd6b/0x1a20
[  368.850360]  ? lock_downgrade+0x900/0x900
[  368.854509]  ? check_preemption_disabled+0x48/0x280
[  368.859530]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  368.864459]  ? kasan_check_read+0x11/0x20
[  368.868610]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  368.873887]  ? rcu_softirq_qs+0x20/0x20
[  368.877878]  ? filemap_map_pages+0xd92/0x1a20
[  368.882380]  ? __lock_acquire+0x62f/0x4c20
[  368.886627]  ? find_get_entries_tag+0x1400/0x1400
[  368.891491]  ? lock_acquire+0x1ed/0x520
[  368.895468]  ? ext4_filemap_fault+0x7a/0xad
[  368.899797]  ? lock_release+0xa00/0xa00
[  368.903771]  ? perf_trace_sched_process_exec+0x860/0x860
[  368.909229]  ? print_usage_bug+0xc0/0xc0
[  368.913294]  ? print_usage_bug+0xc0/0xc0
[  368.917370]  ? down_read+0x8d/0x120
[  368.921000]  ? ext4_filemap_fault+0x7a/0xad
[  368.925323]  ? __down_interruptible+0x700/0x700
[  368.930005]  ext4_filemap_fault+0x82/0xad
[  368.934159]  __do_fault+0x100/0x6b0
[  368.937794]  ? pmd_devmap_trans_unstable+0x220/0x220
[  368.942901]  ? mark_held_locks+0x130/0x130
[  368.947137]  ? mark_held_locks+0x130/0x130
[  368.951372]  ? __might_fault+0x12b/0x1e0
[  368.955459]  ? lock_downgrade+0x900/0x900
[  368.959618]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.965160]  __handle_mm_fault+0x3ea6/0x5be0
[  368.969578]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  368.974428]  ? kasan_check_read+0x11/0x20
[  368.978576]  ? _copy_to_user+0xc8/0x110
[  368.982558]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.988107]  ? zap_class+0x640/0x640
[  368.991820]  ? zap_class+0x640/0x640
[  368.995543]  ? find_held_lock+0x36/0x1c0
[  368.999615]  ? handle_mm_fault+0x42a/0xc70
[  369.003855]  ? lock_downgrade+0x900/0x900
[  369.008006]  ? check_preemption_disabled+0x48/0x280
[  369.013026]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  369.017957]  ? kasan_check_read+0x11/0x20
[  369.022107]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  369.027386]  ? rcu_softirq_qs+0x20/0x20
[  369.031366]  ? trace_hardirqs_off_caller+0x310/0x310
[  369.036471]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  369.042009]  ? check_preemption_disabled+0x48/0x280
[  369.047039]  handle_mm_fault+0x54f/0xc70
[  369.051108]  ? __handle_mm_fault+0x5be0/0x5be0
[  369.055693]  ? find_vma+0x34/0x190
[  369.059251]  __do_page_fault+0x5e8/0xe60
[  369.063311]  ? trace_hardirqs_off+0xb8/0x310
[  369.067727]  ? retint_kernel+0x2d/0x2d
[  369.071626]  do_page_fault+0xf2/0x7e0
[  369.075440]  ? vmalloc_sync_all+0x30/0x30
[  369.079591]  ? error_entry+0x70/0xd0
[  369.083310]  ? trace_hardirqs_off_caller+0xbb/0x310
[  369.088329]  ? trace_hardirqs_on_caller+0xc0/0x310
[  369.093264]  ? syscall_return_slowpath+0x5e0/0x5e0
[  369.098195]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  369.103046]  ? trace_hardirqs_on_caller+0x310/0x310
[  369.108061]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  369.113521]  ? prepare_exit_to_usermode+0x291/0x3b0
[  369.118538]  ? page_fault+0x8/0x30
[  369.122092]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  369.126941]  ? page_fault+0x8/0x30
[  369.130487]  page_fault+0x1e/0x30
[  369.133939] RIP: 0033:0x45d911
[  369.137145] Code: Bad RIP value.
[  369.140504] RSP: 002b:000000c420035f18 EFLAGS: 00010246
[  369.145865] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 000000000045d911
[  369.153131] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  369.160396] RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
[  369.167681] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  369.174955] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  369.182258] CPU: 0 PID: 11721 Comm: syz-executor5 Not tainted 4.19.0+ #74
[  369.182263] warn_alloc_show_mem: 1 callbacks suppressed
[  369.182271] Mem-Info:
[  369.189199] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  369.194572] active_anon:50643 inactive_anon:847 isolated_anon:0
[  369.194572]  active_file:14 inactive_file:13 isolated_file:0
[  369.194572]  unevictable:0 dirty:0 writeback:0 unstable:0
[  369.194572]  slab_reclaimable:9230 slab_unreclaimable:1469886
[  369.194572]  mapped:49154 shmem:854 pagetables:629 bounce:0
[  369.194572]  free:13794 free_pcp:158 free_cma:0
[  369.196943] Call Trace:
[  369.206334] Node 0 active_anon:202572kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3416kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  369.239202]  <IRQ>
[  369.241782] 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
[  369.269468]  dump_stack+0x244/0x39d
[  369.271593] lowmem_reserve[]: 0 2818 6321 6321
[  369.297717]  ? dump_stack_print_info.cold.1+0x20/0x20
[  369.301315] Node 0 DMA32 free:25280kB min:30052kB low:37564kB high:45076kB active_anon:236kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  369.305905]  warn_alloc.cold.116+0xb7/0x1bd
[  369.311060] lowmem_reserve[]: 0 0 3503 3503
[  369.338558]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  369.342857] Node 0 Normal free:13988kB min:37364kB low:46704kB high:56044kB active_anon:202336kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:412kB local_pcp:252kB free_cma:0kB
[  369.347174]  ? lock_downgrade+0x900/0x900
[  369.352101] lowmem_reserve[]: 0 0 0 0
[  369.381098]  ? trace_hardirqs_off+0xb8/0x310
[  369.385223] 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
[  369.389020]  ? trace_hardirqs_off+0xb8/0x310
[  369.393403] Node 0 DMA32: 2*4kB (H) 3*8kB (UMH) 2*16kB (M) 2*32kB (MH) 5*64kB (MH) 4*128kB (M) 5*256kB (MH) 5*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 25280kB
[  369.406932]  __alloc_pages_slowpath+0x26e8/0x2e10
[  369.411313] Node 0 Normal: 737*4kB (UMEH) 442*8kB (UME) 213*16kB (UME) 70*32kB (UME) 7*64kB (UMH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13988kB
[  369.426772]  ? warn_alloc+0x120/0x120
[  369.431571] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  369.446909]  ? print_usage_bug+0xc0/0xc0
[  369.450691] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  369.459527]  ? warn_alloc+0x120/0x120
[  369.463563] 881 total pagecache pages
[  369.472223]  ? warn_alloc+0x120/0x120
[  369.476007] 0 pages in swap cache
[  369.479793]  ? print_usage_bug+0xc0/0xc0
[  369.483570] Swap cache stats: add 0, delete 0, find 0/0
[  369.487014]  ? kvm_clock_read+0x18/0x30
[  369.491050] Free swap  = 0kB
[  369.496406]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  369.500375] Total swap = 0kB
[  369.503391]  ? print_usage_bug+0xc0/0xc0
[  369.508384] 1965979 pages RAM
[  369.511396]  ? __lock_acquire+0x62f/0x4c20
[  369.515432] 0 pages HighMem/MovableOnly
[  369.518540]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  369.522766] 342858 pages reserved
[  369.526739]  ? should_fail+0x22d/0xd01
[  369.532251] 0 pages cma reserved
[  369.535711]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  369.539627] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  369.542925]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  369.542941]  ? __lock_acquire+0x62f/0x4c20
[  369.542959]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  369.548278] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  369.554717]  ? __lock_acquire+0x62f/0x4c20
[  369.554733]  ? should_fail+0x22d/0xd01
[  369.559840] syz-fuzzer cpuset=/ mems_allowed=0
[  369.564070]  ? rcu_irq_exit+0x1a2/0x390
[  369.595992]  ? mark_held_locks+0x130/0x130
[  369.600232]  ? mark_held_locks+0x130/0x130
[  369.604477]  ? mark_held_locks+0xc7/0x130
[  369.608627]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  369.613646]  ? zap_class+0x640/0x640
[  369.617362]  ? print_usage_bug+0xc0/0xc0
[  369.621436]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.626979]  ? check_preemption_disabled+0x48/0x280
[  369.632006]  ? __lock_is_held+0xb5/0x140
[  369.636078]  __alloc_pages_nodemask+0xa80/0xde0
[  369.640750]  ? zap_class+0x640/0x640
[  369.644473]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  369.649502]  ? find_held_lock+0x36/0x1c0
[  369.653573]  ? ____cache_alloc_node+0x1c7/0x1e0
[  369.658262]  ? lock_downgrade+0x900/0x900
[  369.662423]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.667968]  cache_grow_begin+0xa5/0x8c0
[  369.672031]  ? do_raw_spin_unlock+0xa7/0x330
[  369.676450]  fallback_alloc+0x204/0x2e0
[  369.680437]  ____cache_alloc_node+0x1c7/0x1e0
[  369.684943]  kmem_cache_alloc_node+0xe3/0x730
[  369.689438]  ? ipv6_get_ifaddr+0x42e/0x620
[  369.693713]  __alloc_skb+0x119/0x770
[  369.697433]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  369.702728]  ? netdev_alloc_frag+0x1f0/0x1f0
[  369.707141]  ? lock_downgrade+0x900/0x900
[  369.711300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.716842]  ? refcount_sub_and_test_checked+0x203/0x310
[  369.722297]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  369.727752]  ? addrconf_rs_timer+0x690/0x690
[  369.732175]  ndisc_alloc_skb+0x144/0x340
[  369.736245]  ndisc_send_rs+0x331/0x6e0
[  369.740139]  addrconf_rs_timer+0x314/0x690
[  369.744382]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.748648]  call_timer_fn+0x272/0x920
[  369.752539]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.756776]  ? process_timeout+0x40/0x40
[  369.760847]  ? __run_timers+0x7da/0xc70
[  369.764827]  ? _raw_spin_unlock_irq+0x27/0x80
[  369.769324]  ? _raw_spin_unlock_irq+0x27/0x80
[  369.774328]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.778573]  ? lockdep_hardirqs_on+0x296/0x5b0
[  369.783158]  ? trace_hardirqs_on+0xbd/0x310
[  369.787484]  ? kasan_check_read+0x11/0x20
[  369.791628]  ? __run_timers+0x7da/0xc70
[  369.795609]  ? trace_hardirqs_off_caller+0x310/0x310
[  369.800730]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.804974]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.809208]  __run_timers+0x7e5/0xc70
[  369.813024]  ? timer_fixup_init+0x70/0x70
[  369.817175]  ? kasan_check_read+0x11/0x20
[  369.821325]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  369.826609]  ? rcu_softirq_qs+0x20/0x20
[  369.830588]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.836130]  ? check_preemption_disabled+0x48/0x280
[  369.841158]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  369.845924]  ? retint_kernel+0x2d/0x2d
[  369.849818]  ? trace_hardirqs_on_caller+0xc0/0x310
[  369.854752]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  369.859799]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  369.865255]  ? zap_class+0x640/0x640
[  369.868975]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.874520]  ? check_preemption_disabled+0x48/0x280
[  369.879552]  ? __lock_is_held+0xb5/0x140
[  369.883632]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.889171]  ? check_preemption_disabled+0x48/0x280
[  369.894196]  run_timer_softirq+0x52/0xb0
[  369.898260]  ? rcu_read_lock_sched_held+0x14f/0x180
[  369.903405]  __do_softirq+0x308/0xb7e
[  369.907216]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  369.911725]  ? lock_downgrade+0x900/0x900
[  369.915879]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  369.920995]  ? pvclock_read_flags+0x160/0x160
[  369.925496]  ? lapic_next_event+0x5a/0x90
[  369.929651]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.935194]  ? kvm_clock_read+0x18/0x30
[  369.939169]  ? kvm_sched_clock_read+0x9/0x20
[  369.943585]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.949127]  ? check_preemption_disabled+0x48/0x280
[  369.954162]  irq_exit+0x17f/0x1c0
[  369.957626]  smp_apic_timer_interrupt+0x1cb/0x760
[  369.962490]  ? smp_reschedule_interrupt+0x109/0x650
[  369.967531]  ? smp_call_function_single_interrupt+0x650/0x650
[  369.973420]  ? interrupt_entry+0xb5/0xc0
[  369.977503]  ? trace_hardirqs_off_caller+0xbb/0x310
[  369.982539]  ? trace_hardirqs_off_caller+0xbb/0x310
[  369.987559]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  369.992403]  ? trace_hardirqs_on_caller+0x310/0x310
[  369.997420]  ? trace_hardirqs_on_caller+0x310/0x310
[  370.002437]  ? task_prio+0x50/0x50
[  370.005982]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.011523]  ? check_preemption_disabled+0x48/0x280
[  370.016550]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  370.021403]  apic_timer_interrupt+0xf/0x20
[  370.025633]  </IRQ>
[  370.027898] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  370.032833] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 14
[  370.051742] RSP: 0000:ffff8801bf14f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  370.059452] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  370.066733] RDX: 0000000000000000 RSI: ffff8801b68a4c40 RDI: 0000000000000286
[  370.074003] RBP: ffff8801bf14f7a0 R08: ffff8801b68a43c0 R09: 0000000000000000
[  370.081270] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  370.088542] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  370.095858]  skb_clone+0x1bb/0x500
[  370.099405]  ? finish_task_switch+0x2f4/0x910
[  370.103907]  ? skb_split+0x11e0/0x11e0
[  370.107801]  ? preempt_notifier_register+0x200/0x200
[  370.112906]  ? __switch_to_asm+0x34/0x70
[  370.116972]  ? __switch_to_asm+0x34/0x70
[  370.121035]  ? __switch_to_asm+0x40/0x70
[  370.125098]  ? __switch_to_asm+0x34/0x70
[  370.129162]  ? __switch_to_asm+0x40/0x70
[  370.133221]  ? __switch_to_asm+0x34/0x70
[  370.137288]  ? __switch_to_asm+0x40/0x70
[  370.141362]  ? __switch_to_asm+0x34/0x70
[  370.145431]  ? __switch_to_asm+0x34/0x70
[  370.149493]  ? __switch_to_asm+0x40/0x70
[  370.153557]  ? __switch_to_asm+0x34/0x70
[  370.157636]  bpf_clone_redirect+0xb9/0x490
[  370.161874]  ? __schedule+0x8d7/0x21d0
[  370.165772]  bpf_prog_bebbfe2050753572+0x6c2/0x1000
[  370.170794]  ? __sched_text_start+0x8/0x8
[  370.174949]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  370.179724]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  370.184310]  ? retint_kernel+0x2d/0x2d
[  370.188206]  ? find_held_lock+0x36/0x1c0
[  370.192278]  ? lock_acquire+0x1ed/0x520
[  370.196251]  ? bpf_test_run+0x3cb/0x780
[  370.200230]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.205772]  ? check_preemption_disabled+0x48/0x280
[  370.210800]  ? kasan_check_read+0x11/0x20
[  370.214951]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  370.220230]  ? rcu_softirq_qs+0x20/0x20
[  370.224225]  ? preempt_schedule+0x4d/0x60
[  370.228381]  ? ___preempt_schedule+0x16/0x18
[  370.232798]  ? bpf_test_run+0x25d/0x780
[  370.236789]  ? netlink_diag_dump+0x2a0/0x2a0
[  370.241204]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  370.246740]  ? bpf_test_init.isra.10+0x70/0x100
[  370.251448]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  370.256220]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  370.261068]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  370.266610]  ? fput+0x130/0x1a0
[  370.269897]  ? __bpf_prog_get+0x9b/0x290
[  370.273964]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  370.278880]  ? bpf_prog_test_run+0x130/0x1a0
[  370.283299]  ? __x64_sys_bpf+0x3d8/0x520
[  370.287362]  ? bpf_prog_get+0x20/0x20
[  370.291189]  ? do_syscall_64+0x1b9/0x820
[  370.295258]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  370.300628]  ? syscall_return_slowpath+0x5e0/0x5e0
[  370.305562]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  370.310412]  ? trace_hardirqs_on_caller+0x310/0x310
[  370.315433]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  370.320451]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.325991]  ? prepare_exit_to_usermode+0x291/0x3b0
[  370.331020]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  370.335875]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  370.341264] CPU: 1 PID: 5666 Comm: syz-fuzzer Not tainted 4.19.0+ #74
[  370.341334] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  370.347854] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  370.347859] Call Trace:
[  370.347865]  <IRQ>
[  370.347883]  dump_stack+0x244/0x39d
[  370.347899]  ? dump_stack_print_info.cold.1+0x20/0x20
[  370.347926]  warn_alloc.cold.116+0xb7/0x1bd
[  370.354521] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  370.363780]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  370.366340] syz-executor5 cpuset=syz5 mems_allowed=0
[  370.368484]  ? lock_downgrade+0x900/0x900
[  370.406101]  ? trace_hardirqs_off+0xb8/0x310
[  370.410522]  ? trace_hardirqs_off+0xb8/0x310
[  370.414943]  __alloc_pages_slowpath+0x26e8/0x2e10
[  370.419818]  ? warn_alloc+0x120/0x120
[  370.423623]  ? print_usage_bug+0xc0/0xc0
[  370.427688]  ? warn_alloc+0x120/0x120
[  370.431505]  ? warn_alloc+0x120/0x120
[  370.435312]  ? print_usage_bug+0xc0/0xc0
[  370.439385]  ? print_usage_bug+0xc0/0xc0
[  370.443449]  ? __lock_acquire+0x62f/0x4c20
[  370.447691]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  370.453251]  ? should_fail+0x22d/0xd01
[  370.457165]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  370.462273]  ? __lock_acquire+0x62f/0x4c20
[  370.466523]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  370.471627]  ? __lock_acquire+0x62f/0x4c20
[  370.475862]  ? should_fail+0x22d/0xd01
[  370.479754]  ? find_held_lock+0x36/0x1c0
[  370.483828]  ? mark_held_locks+0x130/0x130
[  370.488072]  ? mark_held_locks+0x130/0x130
[  370.492308]  ? zap_class+0x640/0x640
[  370.496025]  ? zap_class+0x640/0x640
[  370.499747]  ? print_usage_bug+0xc0/0xc0
[  370.503810]  ? do_raw_spin_unlock+0xa7/0x330
[  370.508239]  ? zap_class+0x640/0x640
[  370.511954]  ? print_usage_bug+0xc0/0xc0
[  370.516019]  ? wq_watchdog_touch+0x9c/0xfe
[  370.520258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.525800]  ? check_preemption_disabled+0x48/0x280
[  370.530846]  ? __lock_is_held+0xb5/0x140
[  370.534921]  __alloc_pages_nodemask+0xa80/0xde0
[  370.539601]  ? zap_class+0x640/0x640
[  370.543329]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  370.548362]  ? find_held_lock+0x36/0x1c0
[  370.552434]  ? ____cache_alloc_node+0x1c7/0x1e0
[  370.557105]  ? lock_downgrade+0x900/0x900
[  370.561265]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.566815]  cache_grow_begin+0xa5/0x8c0
[  370.570877]  ? do_raw_spin_unlock+0xa7/0x330
[  370.575296]  fallback_alloc+0x204/0x2e0
[  370.579284]  ____cache_alloc_node+0x1c7/0x1e0
[  370.583787]  kmem_cache_alloc_node+0xe3/0x730
[  370.588288]  ? ipv6_get_ifaddr+0x42e/0x620
[  370.592532]  __alloc_skb+0x119/0x770
[  370.596247]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  370.601531]  ? netdev_alloc_frag+0x1f0/0x1f0
[  370.605942]  ? lock_downgrade+0x900/0x900
[  370.610102]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.615640]  ? refcount_sub_and_test_checked+0x203/0x310
[  370.621097]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  370.626546]  ? addrconf_rs_timer+0x690/0x690
[  370.630966]  ndisc_alloc_skb+0x144/0x340
[  370.635035]  ndisc_send_rs+0x331/0x6e0
[  370.638927]  addrconf_rs_timer+0x314/0x690
[  370.643194]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.647452]  call_timer_fn+0x272/0x920
[  370.651340]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.655575]  ? process_timeout+0x40/0x40
[  370.659650]  ? mark_held_locks+0xc7/0x130
[  370.663803]  ? _raw_spin_unlock_irq+0x27/0x80
[  370.668301]  ? _raw_spin_unlock_irq+0x27/0x80
[  370.672793]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.677030]  ? lockdep_hardirqs_on+0x296/0x5b0
[  370.681634]  ? trace_hardirqs_on+0xbd/0x310
[  370.685959]  ? kasan_check_read+0x11/0x20
[  370.690104]  ? __run_timers+0x7da/0xc70
[  370.694079]  ? trace_hardirqs_off_caller+0x310/0x310
[  370.699186]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.703431]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.707664]  __run_timers+0x7e5/0xc70
[  370.711483]  ? timer_fixup_init+0x70/0x70
[  370.715637]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  370.720657]  ? zap_class+0x640/0x640
[  370.724381]  ? print_usage_bug+0xc0/0xc0
[  370.728444]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  370.733643]  ? find_held_lock+0x36/0x1c0
[  370.737720]  ? zap_class+0x640/0x640
[  370.741446]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.746988]  ? check_preemption_disabled+0x48/0x280
[  370.752021]  ? __lock_is_held+0xb5/0x140
[  370.756088]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.761632]  ? check_preemption_disabled+0x48/0x280
[  370.766658]  run_timer_softirq+0x52/0xb0
[  370.770731]  ? rcu_read_lock_sched_held+0x14f/0x180
[  370.775769]  __do_softirq+0x308/0xb7e
[  370.779578]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  370.784077]  ? lock_downgrade+0x900/0x900
[  370.788235]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  370.793347]  ? pvclock_read_flags+0x160/0x160
[  370.797845]  ? lapic_next_event+0x5a/0x90
[  370.801995]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.807540]  ? kvm_clock_read+0x18/0x30
[  370.811518]  ? kvm_sched_clock_read+0x9/0x20
[  370.815933]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  370.821475]  ? check_preemption_disabled+0x48/0x280
[  370.826507]  irq_exit+0x17f/0x1c0
[  370.829966]  smp_apic_timer_interrupt+0x1cb/0x760
[  370.834813]  ? smp_reschedule_interrupt+0x109/0x650
[  370.839837]  ? smp_call_function_single_interrupt+0x650/0x650
[  370.845734]  ? interrupt_entry+0xb5/0xc0
[  370.849801]  ? trace_hardirqs_off_caller+0xbb/0x310
[  370.854818]  ? trace_hardirqs_off_caller+0xbb/0x310
[  370.859836]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  370.864681]  ? trace_hardirqs_on_caller+0x310/0x310
[  370.869715]  ? trace_hardirqs_on_caller+0x310/0x310
[  370.874750]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  370.879608]  apic_timer_interrupt+0xf/0x20
[  370.883839]  </IRQ>
[  370.886093] RIP: 0010:dump_stack+0x358/0x39d
[  370.890507] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 a1 9c fd f9 48 83 3d 29 00 8d 01 00 0f 84 63 fe ff ff e8 ee 69 ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db 69 ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  370.909405] RSP: 0000:ffff8801b9cce1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  370.917115] RAX: ffff8801d71b2040 RBX: 1ffffffff12a3f46 RCX: 1ffff1003ae36526
[  370.924382] RDX: 0000000000000000 RSI: ffffffff87c4fa12 RDI: 0000000000000293
[  370.931648] RBP: ffff8801b9cce290 R08: ffff8801d71b2930 R09: 0000000000000006
[  370.938917] R10: 0000000000000000 R11: ffff8801d71b2040 R12: 1ffff10037399c45
[  370.946184] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  370.953480]  ? dump_stack+0x34f/0x39d
[  370.957295]  ? dump_stack_print_info.cold.1+0x20/0x20
[  370.962508]  ? mark_held_locks+0x130/0x130
[  370.966748]  ? mark_held_locks+0x130/0x130
[  370.970994]  dump_header+0x27b/0xf72
[  370.974730]  ? pagefault_out_of_memory+0x197/0x197
[  370.979670]  ? __lock_acquire+0x62f/0x4c20
[  370.983911]  ? percpu_ref_get_many+0x240/0x240
[  370.988502]  ? print_usage_bug+0xc0/0xc0
[  370.992623]  ? zap_class+0x640/0x640
[  370.996339]  ? print_usage_bug+0xc0/0xc0
[  371.000404]  ? print_usage_bug+0xc0/0xc0
[  371.004474]  ? zap_class+0x640/0x640
[  371.008193]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.013740]  ? find_held_lock+0x36/0x1c0
[  371.017815]  ? mark_held_locks+0xc7/0x130
[  371.021972]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  371.027080]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  371.032186]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  371.036781]  ? trace_hardirqs_on+0xbd/0x310
[  371.041109]  ? kasan_check_read+0x11/0x20
[  371.045260]  ? ___ratelimit+0x3b4/0x672
[  371.049240]  ? trace_hardirqs_off_caller+0x310/0x310
[  371.054346]  ? trace_hardirqs_on+0x310/0x310
[  371.058755]  ? lock_downgrade+0x900/0x900
[  371.062912]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  371.068017]  ? ___ratelimit+0x3b9/0x672
[  371.071998]  ? idr_get_free+0xf80/0xf80
[  371.075975]  ? find_held_lock+0x36/0x1c0
[  371.080051]  oom_kill_process.cold.27+0x10/0x903
[  371.084810]  ? zap_class+0x640/0x640
[  371.088526]  ? check_preemption_disabled+0x48/0x280
[  371.093549]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  371.098478]  ? kasan_check_read+0x11/0x20
[  371.102626]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  371.107909]  ? oom_evaluate_task+0x540/0x540
[  371.112321]  ? find_held_lock+0x36/0x1c0
[  371.116395]  ? out_of_memory+0x974/0x1430
[  371.120548]  ? lock_downgrade+0x900/0x900
[  371.124705]  ? check_preemption_disabled+0x48/0x280
[  371.129734]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  371.134663]  ? kasan_check_read+0x11/0x20
[  371.138820]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  371.144096]  ? rcu_softirq_qs+0x20/0x20
[  371.148075]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.153614]  ? oom_evaluate_task+0x302/0x540
[  371.158027]  out_of_memory+0xa84/0x1430
[  371.162013]  ? oom_killer_disable+0x3a0/0x3a0
[  371.166510]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  371.171444]  ? __ww_mutex_check_waiters+0x160/0x160
[  371.176472]  __alloc_pages_slowpath+0x2354/0x2e10
[  371.181350]  ? warn_alloc+0x120/0x120
[  371.185152]  ? mark_held_locks+0x130/0x130
[  371.189401]  ? find_get_entry+0xaae/0x1120
[  371.193651]  ? filemap_map_pages+0x1a20/0x1a20
[  371.199086]  ? zap_class+0x640/0x640
[  371.202810]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.208389]  ? check_preemption_disabled+0x48/0x280
[  371.213412]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.218955]  ? should_fail+0x22d/0xd01
[  371.222850]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  371.227956]  ? zap_class+0x640/0x640
[  371.231707]  ? __lock_is_held+0xb5/0x140
[  371.235780]  ? mark_held_locks+0x130/0x130
[  371.240018]  ? lock_release+0xa00/0xa00
[  371.243994]  ? perf_trace_sched_process_exec+0x860/0x860
[  371.249446]  ? xa_load+0x2ba/0x460
[  371.252987]  ? lock_downgrade+0x900/0x900
[  371.257143]  ? __might_sleep+0x95/0x190
[  371.261165]  __alloc_pages_nodemask+0xa80/0xde0
[  371.265847]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  371.270867]  ? __page_cache_alloc+0x191/0x5c0
[  371.275361]  ? xa_load+0x2e1/0x460
[  371.278909]  ? xa_clear_mark+0x40/0x40
[  371.282800]  ? zap_class+0x640/0x640
[  371.286524]  ? zap_class+0x640/0x640
[  371.290244]  ? zap_class+0x640/0x640
[  371.293960]  ? __do_page_cache_readahead+0x663/0x810
[  371.299072]  ? find_held_lock+0x36/0x1c0
[  371.303142]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  371.308683]  alloc_pages_current+0x173/0x350
[  371.313110]  __page_cache_alloc+0x38c/0x5c0
[  371.317432]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  371.322363]  ? kasan_check_read+0x11/0x20
[  371.326512]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  371.331793]  ? generic_perform_write+0x6a0/0x6a0
[  371.336570]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.342115]  ? check_preemption_disabled+0x48/0x280
[  371.347147]  filemap_fault+0x1595/0x25f0
[  371.351230]  ? __lock_page_or_retry+0xa00/0xa00
[  371.355907]  ? mark_held_locks+0x130/0x130
[  371.360155]  ? filemap_map_pages+0xd6b/0x1a20
[  371.364652]  ? lock_downgrade+0x900/0x900
[  371.368803]  ? check_preemption_disabled+0x48/0x280
[  371.373828]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  371.378759]  ? kasan_check_read+0x11/0x20
[  371.382910]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  371.388197]  ? rcu_softirq_qs+0x20/0x20
[  371.392192]  ? filemap_map_pages+0xd92/0x1a20
[  371.396706]  ? __lock_acquire+0x62f/0x4c20
[  371.400954]  ? find_get_entries_tag+0x1400/0x1400
[  371.405825]  ? lock_acquire+0x1ed/0x520
[  371.409803]  ? ext4_filemap_fault+0x7a/0xad
[  371.414136]  ? lock_release+0xa00/0xa00
[  371.418115]  ? perf_trace_sched_process_exec+0x860/0x860
[  371.423569]  ? print_usage_bug+0xc0/0xc0
[  371.427640]  ? print_usage_bug+0xc0/0xc0
[  371.431720]  ? down_read+0x8d/0x120
[  371.435355]  ? ext4_filemap_fault+0x7a/0xad
[  371.439681]  ? __down_interruptible+0x700/0x700
[  371.444374]  ext4_filemap_fault+0x82/0xad
[  371.448528]  __do_fault+0x100/0x6b0
[  371.452161]  ? pmd_devmap_trans_unstable+0x220/0x220
[  371.457270]  ? mark_held_locks+0x130/0x130
[  371.461509]  ? mark_held_locks+0x130/0x130
[  371.465750]  ? __might_fault+0x12b/0x1e0
[  371.469815]  ? lock_downgrade+0x900/0x900
[  371.473974]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.479521]  __handle_mm_fault+0x3ea6/0x5be0
[  371.483946]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  371.488801]  ? kasan_check_read+0x11/0x20
[  371.492955]  ? _copy_to_user+0xc8/0x110
[  371.496940]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.502490]  ? zap_class+0x640/0x640
[  371.506205]  ? zap_class+0x640/0x640
[  371.509932]  ? find_held_lock+0x36/0x1c0
[  371.514010]  ? handle_mm_fault+0x42a/0xc70
[  371.518250]  ? lock_downgrade+0x900/0x900
[  371.522427]  ? check_preemption_disabled+0x48/0x280
[  371.527450]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  371.532382]  ? kasan_check_read+0x11/0x20
[  371.536529]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  371.541806]  ? rcu_softirq_qs+0x20/0x20
[  371.545786]  ? trace_hardirqs_off_caller+0x310/0x310
[  371.550890]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.556447]  ? check_preemption_disabled+0x48/0x280
[  371.561476]  handle_mm_fault+0x54f/0xc70
[  371.565543]  ? __handle_mm_fault+0x5be0/0x5be0
[  371.570133]  ? find_vma+0x34/0x190
[  371.573683]  __do_page_fault+0x5e8/0xe60
[  371.577754]  ? trace_hardirqs_off+0xb8/0x310
[  371.582164]  ? retint_kernel+0x2d/0x2d
[  371.586064]  do_page_fault+0xf2/0x7e0
[  371.589868]  ? vmalloc_sync_all+0x30/0x30
[  371.594018]  ? error_entry+0x70/0xd0
[  371.597736]  ? trace_hardirqs_off_caller+0xbb/0x310
[  371.602753]  ? trace_hardirqs_on_caller+0xc0/0x310
[  371.607684]  ? syscall_return_slowpath+0x5e0/0x5e0
[  371.612624]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  371.617488]  ? trace_hardirqs_on_caller+0x310/0x310
[  371.622508]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  371.627967]  ? prepare_exit_to_usermode+0x291/0x3b0
[  371.632988]  ? page_fault+0x8/0x30
[  371.636536]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  371.641384]  ? page_fault+0x8/0x30
[  371.644946]  page_fault+0x1e/0x30
[  371.648402] RIP: 0033:0x45d911
[  371.651608] Code: Bad RIP value.
[  371.654968] RSP: 002b:000000c420035f18 EFLAGS: 00010246
[  371.660329] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 000000000045d911
[  371.667594] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  371.674863] RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
[  371.682134] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  371.689401] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  371.696714] CPU: 0 PID: 11721 Comm: syz-executor5 Not tainted 4.19.0+ #74
[  371.696720] warn_alloc_show_mem: 1 callbacks suppressed
[  371.696727] Mem-Info:
[  371.703652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  371.703661] Call Trace:
[  371.709035] active_anon:50643 inactive_anon:847 isolated_anon:0
[  371.709035]  active_file:14 inactive_file:13 isolated_file:0
[  371.709035]  unevictable:0 dirty:0 writeback:0 unstable:0
[  371.709035]  slab_reclaimable:9230 slab_unreclaimable:1469886
[  371.709035]  mapped:49154 shmem:854 pagetables:629 bounce:0
[  371.709035]  free:13794 free_pcp:158 free_cma:0
[  371.711410]  <IRQ>
[  371.720788] Node 0 active_anon:202572kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3416kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  371.723372]  dump_stack+0x244/0x39d
[  371.756237] 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
[  371.758393]  ? dump_stack_print_info.cold.1+0x20/0x20
[  371.786348] lowmem_reserve[]: 0 2818 6321 6321
[  371.790012]  warn_alloc.cold.116+0xb7/0x1bd
[  371.816086] Node 0 DMA32 free:25280kB min:30052kB low:37564kB high:45076kB active_anon:236kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  371.821284]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  371.825833] lowmem_reserve[]: 0 0 3503 3503
[  371.830153]  ? lock_downgrade+0x900/0x900
[  371.857636] Node 0 Normal free:13988kB min:37364kB low:46704kB high:56044kB active_anon:202336kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:412kB local_pcp:252kB free_cma:0kB
[  371.862764]  ? trace_hardirqs_off+0xb8/0x310
[  371.867051] lowmem_reserve[]: 0 0 0 0
[  371.871197]  ? trace_hardirqs_off+0xb8/0x310
[  371.900159] 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
[  371.904771]  __alloc_pages_slowpath+0x26e8/0x2e10
[  371.908541] Node 0 DMA32: 2*4kB (H) 3*8kB (UMH) 2*16kB (M) 2*32kB (MH) 5*64kB (MH) 4*128kB (M) 5*256kB (MH) 5*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 25280kB
[  371.912969]  ? warn_alloc+0x120/0x120
[  371.926457] Node 0 Normal: 737*4kB (UMEH) 442*8kB (UME) 213*16kB (UME) 70*32kB (UME) 7*64kB (UMH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13988kB
[  371.931298]  ? print_usage_bug+0xc0/0xc0
[  371.946726] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  371.950523]  ? warn_alloc+0x120/0x120
[  371.965850] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  371.969899]  ? warn_alloc+0x120/0x120
[  371.978731] 881 total pagecache pages
[  371.982528]  ? print_usage_bug+0xc0/0xc0
[  371.991103] 0 pages in swap cache
[  371.994895]  ? kvm_clock_read+0x18/0x30
[  371.998677] Swap cache stats: add 0, delete 0, find 0/0
[  372.002747]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  372.006174] Free swap  = 0kB
[  372.010143]  ? print_usage_bug+0xc0/0xc0
[  372.015475] Total swap = 0kB
[  372.015484] 1965979 pages RAM
[  372.020492]  ? __lock_acquire+0x62f/0x4c20
[  372.023482] 0 pages HighMem/MovableOnly
[  372.023491] 342858 pages reserved
[  372.027546]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  372.030537] 0 pages cma reserved
[  372.033653]  ? should_fail+0x22d/0xd01
[  372.037926] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  372.041828]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  372.041846]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  372.045374] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  372.050822]  ? __lock_acquire+0x62f/0x4c20
[  372.054166] syz-fuzzer cpuset=/ mems_allowed=0
[  372.058049]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  372.098999]  ? __lock_acquire+0x62f/0x4c20
[  372.103240]  ? should_fail+0x22d/0xd01
[  372.107127]  ? rcu_irq_exit+0x1a2/0x390
[  372.111119]  ? mark_held_locks+0x130/0x130
[  372.115380]  ? mark_held_locks+0x130/0x130
[  372.119625]  ? mark_held_locks+0xc7/0x130
[  372.123777]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  372.128796]  ? zap_class+0x640/0x640
[  372.132530]  ? print_usage_bug+0xc0/0xc0
[  372.136599]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.142138]  ? check_preemption_disabled+0x48/0x280
[  372.147166]  ? __lock_is_held+0xb5/0x140
[  372.151237]  __alloc_pages_nodemask+0xa80/0xde0
[  372.155907]  ? zap_class+0x640/0x640
[  372.159629]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  372.164660]  ? find_held_lock+0x36/0x1c0
[  372.168745]  ? ____cache_alloc_node+0x1c7/0x1e0
[  372.173680]  ? lock_downgrade+0x900/0x900
[  372.177851]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.183395]  cache_grow_begin+0xa5/0x8c0
[  372.187458]  ? do_raw_spin_unlock+0xa7/0x330
[  372.191876]  fallback_alloc+0x204/0x2e0
[  372.195882]  ____cache_alloc_node+0x1c7/0x1e0
[  372.200386]  kmem_cache_alloc_node+0xe3/0x730
[  372.204882]  ? ipv6_get_ifaddr+0x42e/0x620
[  372.209126]  __alloc_skb+0x119/0x770
[  372.212840]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  372.218125]  ? netdev_alloc_frag+0x1f0/0x1f0
[  372.222553]  ? lock_downgrade+0x900/0x900
[  372.226726]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.232268]  ? refcount_sub_and_test_checked+0x203/0x310
[  372.237731]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  372.243181]  ? addrconf_rs_timer+0x690/0x690
[  372.247605]  ndisc_alloc_skb+0x144/0x340
[  372.251671]  ndisc_send_rs+0x331/0x6e0
[  372.255577]  addrconf_rs_timer+0x314/0x690
[  372.259823]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.264072]  call_timer_fn+0x272/0x920
[  372.267956]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.272195]  ? process_timeout+0x40/0x40
[  372.276269]  ? __run_timers+0x7da/0xc70
[  372.280253]  ? _raw_spin_unlock_irq+0x27/0x80
[  372.284749]  ? _raw_spin_unlock_irq+0x27/0x80
[  372.289242]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.293480]  ? lockdep_hardirqs_on+0x296/0x5b0
[  372.298066]  ? trace_hardirqs_on+0xbd/0x310
[  372.302391]  ? kasan_check_read+0x11/0x20
[  372.306538]  ? __run_timers+0x7da/0xc70
[  372.310533]  ? trace_hardirqs_off_caller+0x310/0x310
[  372.315641]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.319882]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.324118]  __run_timers+0x7e5/0xc70
[  372.327932]  ? timer_fixup_init+0x70/0x70
[  372.332083]  ? kasan_check_read+0x11/0x20
[  372.336234]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  372.341512]  ? rcu_softirq_qs+0x20/0x20
[  372.345510]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.351054]  ? check_preemption_disabled+0x48/0x280
[  372.356077]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  372.360849]  ? retint_kernel+0x2d/0x2d
[  372.364741]  ? trace_hardirqs_on_caller+0xc0/0x310
[  372.369692]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  372.374470]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  372.379923]  ? zap_class+0x640/0x640
[  372.383643]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.389183]  ? check_preemption_disabled+0x48/0x280
[  372.394213]  ? __lock_is_held+0xb5/0x140
[  372.398280]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.403821]  ? check_preemption_disabled+0x48/0x280
[  372.408847]  run_timer_softirq+0x52/0xb0
[  372.412909]  ? rcu_read_lock_sched_held+0x14f/0x180
[  372.417925]  __do_softirq+0x308/0xb7e
[  372.421745]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  372.426239]  ? lock_downgrade+0x900/0x900
[  372.430391]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  372.435503]  ? pvclock_read_flags+0x160/0x160
[  372.440018]  ? lapic_next_event+0x5a/0x90
[  372.444173]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.449729]  ? kvm_clock_read+0x18/0x30
[  372.453719]  ? kvm_sched_clock_read+0x9/0x20
[  372.458132]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.463690]  ? check_preemption_disabled+0x48/0x280
[  372.468743]  irq_exit+0x17f/0x1c0
[  372.472207]  smp_apic_timer_interrupt+0x1cb/0x760
[  372.477053]  ? smp_reschedule_interrupt+0x109/0x650
[  372.482072]  ? smp_call_function_single_interrupt+0x650/0x650
[  372.487973]  ? interrupt_entry+0xb5/0xc0
[  372.492045]  ? trace_hardirqs_off_caller+0xbb/0x310
[  372.497063]  ? trace_hardirqs_off_caller+0xbb/0x310
[  372.502080]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  372.506930]  ? trace_hardirqs_on_caller+0x310/0x310
[  372.511952]  ? trace_hardirqs_on_caller+0x310/0x310
[  372.516969]  ? task_prio+0x50/0x50
[  372.520511]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.526050]  ? check_preemption_disabled+0x48/0x280
[  372.531077]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  372.535932]  apic_timer_interrupt+0xf/0x20
[  372.540161]  </IRQ>
[  372.542404] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  372.547335] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 14
[  372.566238] RSP: 0000:ffff8801bf14f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  372.573947] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  372.581217] RDX: 0000000000000000 RSI: ffff8801b68a4c40 RDI: 0000000000000286
[  372.588498] RBP: ffff8801bf14f7a0 R08: ffff8801b68a43c0 R09: 0000000000000000
[  372.595766] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  372.603035] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  372.610345]  skb_clone+0x1bb/0x500
[  372.613892]  ? finish_task_switch+0x2f4/0x910
[  372.618389]  ? skb_split+0x11e0/0x11e0
[  372.622278]  ? preempt_notifier_register+0x200/0x200
[  372.627380]  ? __switch_to_asm+0x34/0x70
[  372.631516]  ? __switch_to_asm+0x34/0x70
[  372.635579]  ? __switch_to_asm+0x40/0x70
[  372.639671]  ? __switch_to_asm+0x34/0x70
[  372.643749]  ? __switch_to_asm+0x40/0x70
[  372.647809]  ? __switch_to_asm+0x34/0x70
[  372.651872]  ? __switch_to_asm+0x40/0x70
[  372.655933]  ? __switch_to_asm+0x34/0x70
[  372.659993]  ? __switch_to_asm+0x34/0x70
[  372.664053]  ? __switch_to_asm+0x40/0x70
[  372.668113]  ? __switch_to_asm+0x34/0x70
[  372.672270]  bpf_clone_redirect+0xb9/0x490
[  372.676507]  ? __schedule+0x8d7/0x21d0
[  372.680409]  bpf_prog_bebbfe2050753572+0x6c2/0x1000
[  372.685433]  ? __sched_text_start+0x8/0x8
[  372.689588]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  372.694354]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  372.698940]  ? retint_kernel+0x2d/0x2d
[  372.702837]  ? find_held_lock+0x36/0x1c0
[  372.706910]  ? lock_acquire+0x1ed/0x520
[  372.710886]  ? bpf_test_run+0x3cb/0x780
[  372.714866]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.720407]  ? check_preemption_disabled+0x48/0x280
[  372.725436]  ? kasan_check_read+0x11/0x20
[  372.729589]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  372.734870]  ? rcu_softirq_qs+0x20/0x20
[  372.738846]  ? preempt_schedule+0x4d/0x60
[  372.743001]  ? ___preempt_schedule+0x16/0x18
[  372.747439]  ? bpf_test_run+0x25d/0x780
[  372.751429]  ? netlink_diag_dump+0x2a0/0x2a0
[  372.755844]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  372.761417]  ? bpf_test_init.isra.10+0x70/0x100
[  372.766095]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  372.771295]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  372.776153]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  372.781705]  ? fput+0x130/0x1a0
[  372.784996]  ? __bpf_prog_get+0x9b/0x290
[  372.789064]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  372.793908]  ? bpf_prog_test_run+0x130/0x1a0
[  372.798324]  ? __x64_sys_bpf+0x3d8/0x520
[  372.802392]  ? bpf_prog_get+0x20/0x20
[  372.806214]  ? do_syscall_64+0x1b9/0x820
[  372.810280]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  372.815657]  ? syscall_return_slowpath+0x5e0/0x5e0
[  372.820591]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  372.825443]  ? trace_hardirqs_on_caller+0x310/0x310
[  372.830468]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  372.835494]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.841041]  ? prepare_exit_to_usermode+0x291/0x3b0
[  372.846074]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  372.850937]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  372.856330] CPU: 1 PID: 5666 Comm: syz-fuzzer Not tainted 4.19.0+ #74
[  372.856397] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  372.862918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  372.862923] Call Trace:
[  372.862930]  <IRQ>
[  372.862949]  dump_stack+0x244/0x39d
[  372.862965]  ? dump_stack_print_info.cold.1+0x20/0x20
[  372.862993]  warn_alloc.cold.116+0xb7/0x1bd
[  372.869626] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  372.878927]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  372.881490] syz-executor5 cpuset=syz5 mems_allowed=0
[  372.883640]  ? lock_downgrade+0x900/0x900
[  372.921307]  ? trace_hardirqs_off+0xb8/0x310
[  372.925736]  ? trace_hardirqs_off+0xb8/0x310
[  372.930164]  __alloc_pages_slowpath+0x26e8/0x2e10
[  372.935057]  ? warn_alloc+0x120/0x120
[  372.938871]  ? print_usage_bug+0xc0/0xc0
[  372.942941]  ? warn_alloc+0x120/0x120
[  372.946751]  ? warn_alloc+0x120/0x120
[  372.950556]  ? print_usage_bug+0xc0/0xc0
[  372.954807]  ? kvm_clock_read+0x18/0x30
[  372.958789]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  372.963814]  ? print_usage_bug+0xc0/0xc0
[  372.967881]  ? __lock_acquire+0x62f/0x4c20
[  372.972126]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  372.977667]  ? should_fail+0x22d/0xd01
[  372.981563]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  372.986848]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  372.991956]  ? __lock_acquire+0x62f/0x4c20
[  372.996198]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  373.001308]  ? __lock_acquire+0x62f/0x4c20
[  373.005548]  ? should_fail+0x22d/0xd01
[  373.009458]  ? rcu_irq_exit+0x1a2/0x390
[  373.013454]  ? mark_held_locks+0x130/0x130
[  373.017712]  ? mark_held_locks+0x130/0x130
[  373.021958]  ? mark_held_locks+0xc7/0x130
[  373.026112]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  373.031136]  ? zap_class+0x640/0x640
[  373.034873]  ? print_usage_bug+0xc0/0xc0
[  373.038945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.044507]  ? check_preemption_disabled+0x48/0x280
[  373.049537]  ? __lock_is_held+0xb5/0x140
[  373.053608]  __alloc_pages_nodemask+0xa80/0xde0
[  373.058285]  ? zap_class+0x640/0x640
[  373.062009]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  373.067039]  ? find_held_lock+0x36/0x1c0
[  373.071112]  ? ____cache_alloc_node+0x1c7/0x1e0
[  373.075786]  ? lock_downgrade+0x900/0x900
[  373.079957]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.085525]  cache_grow_begin+0xa5/0x8c0
[  373.089592]  ? do_raw_spin_unlock+0xa7/0x330
[  373.094018]  fallback_alloc+0x204/0x2e0
[  373.098006]  ____cache_alloc_node+0x1c7/0x1e0
[  373.102508]  kmem_cache_alloc_node+0xe3/0x730
[  373.107006]  ? ipv6_get_ifaddr+0x42e/0x620
[  373.111257]  __alloc_skb+0x119/0x770
[  373.114974]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  373.120258]  ? netdev_alloc_frag+0x1f0/0x1f0
[  373.124668]  ? lock_downgrade+0x900/0x900
[  373.128835]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.134374]  ? refcount_sub_and_test_checked+0x203/0x310
[  373.139835]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  373.145293]  ? addrconf_rs_timer+0x690/0x690
[  373.149725]  ndisc_alloc_skb+0x144/0x340
[  373.153796]  ndisc_send_rs+0x331/0x6e0
[  373.157690]  addrconf_rs_timer+0x314/0x690
[  373.161944]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.166194]  call_timer_fn+0x272/0x920
[  373.170089]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.174329]  ? process_timeout+0x40/0x40
[  373.178402]  ? mark_held_locks+0xc7/0x130
[  373.182557]  ? _raw_spin_unlock_irq+0x27/0x80
[  373.187052]  ? _raw_spin_unlock_irq+0x27/0x80
[  373.191547]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.195785]  ? lockdep_hardirqs_on+0x296/0x5b0
[  373.200372]  ? trace_hardirqs_on+0xbd/0x310
[  373.205131]  ? kasan_check_read+0x11/0x20
[  373.209280]  ? __run_timers+0x7da/0xc70
[  373.213263]  ? trace_hardirqs_off_caller+0x310/0x310
[  373.218374]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.222615]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.226854]  __run_timers+0x7e5/0xc70
[  373.230667]  ? timer_fixup_init+0x70/0x70
[  373.234826]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  373.239843]  ? zap_class+0x640/0x640
[  373.243566]  ? print_usage_bug+0xc0/0xc0
[  373.247628]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  373.252825]  ? find_held_lock+0x36/0x1c0
[  373.256894]  ? zap_class+0x640/0x640
[  373.260635]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.266179]  ? check_preemption_disabled+0x48/0x280
[  373.271218]  ? __lock_is_held+0xb5/0x140
[  373.275292]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.280836]  ? check_preemption_disabled+0x48/0x280
[  373.285865]  run_timer_softirq+0x52/0xb0
[  373.289930]  ? rcu_read_lock_sched_held+0x14f/0x180
[  373.294948]  __do_softirq+0x308/0xb7e
[  373.298760]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  373.303255]  ? lock_downgrade+0x900/0x900
[  373.307410]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  373.312522]  ? pvclock_read_flags+0x160/0x160
[  373.317020]  ? lapic_next_event+0x5a/0x90
[  373.321173]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.326726]  ? kvm_clock_read+0x18/0x30
[  373.330716]  ? kvm_sched_clock_read+0x9/0x20
[  373.335133]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.340672]  ? check_preemption_disabled+0x48/0x280
[  373.345717]  irq_exit+0x17f/0x1c0
[  373.349182]  smp_apic_timer_interrupt+0x1cb/0x760
[  373.354029]  ? smp_reschedule_interrupt+0x109/0x650
[  373.359051]  ? smp_call_function_single_interrupt+0x650/0x650
[  373.364939]  ? interrupt_entry+0xb5/0xc0
[  373.369025]  ? trace_hardirqs_off_caller+0xbb/0x310
[  373.374044]  ? trace_hardirqs_off_caller+0xbb/0x310
[  373.379068]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  373.383915]  ? trace_hardirqs_on_caller+0x310/0x310
[  373.388934]  ? trace_hardirqs_on_caller+0x310/0x310
[  373.393964]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  373.398818]  apic_timer_interrupt+0xf/0x20
[  373.403045]  </IRQ>
[  373.405284] RIP: 0010:dump_stack+0x358/0x39d
[  373.409706] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 a1 9c fd f9 48 83 3d 29 00 8d 01 00 0f 84 63 fe ff ff e8 ee 69 ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db 69 ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  373.428613] RSP: 0000:ffff8801b9cce1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  373.436326] RAX: ffff8801d71b2040 RBX: 1ffffffff12a3f46 RCX: 1ffff1003ae36526
[  373.443595] RDX: 0000000000000000 RSI: ffffffff87c4fa12 RDI: 0000000000000293
[  373.450862] RBP: ffff8801b9cce290 R08: ffff8801d71b2930 R09: 0000000000000006
[  373.458129] R10: 0000000000000000 R11: ffff8801d71b2040 R12: 1ffff10037399c45
[  373.465400] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  373.472695]  ? dump_stack+0x34f/0x39d
[  373.476524]  ? dump_stack_print_info.cold.1+0x20/0x20
[  373.481728]  ? mark_held_locks+0x130/0x130
[  373.485971]  ? mark_held_locks+0x130/0x130
[  373.490220]  dump_header+0x27b/0xf72
[  373.493949]  ? pagefault_out_of_memory+0x197/0x197
[  373.498890]  ? __lock_acquire+0x62f/0x4c20
[  373.503127]  ? percpu_ref_get_many+0x240/0x240
[  373.507722]  ? print_usage_bug+0xc0/0xc0
[  373.511792]  ? zap_class+0x640/0x640
[  373.515509]  ? print_usage_bug+0xc0/0xc0
[  373.519570]  ? print_usage_bug+0xc0/0xc0
[  373.523654]  ? zap_class+0x640/0x640
[  373.527373]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.532915]  ? find_held_lock+0x36/0x1c0
[  373.536988]  ? mark_held_locks+0xc7/0x130
[  373.541143]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  373.546248]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  373.551354]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  373.555940]  ? trace_hardirqs_on+0xbd/0x310
[  373.560268]  ? kasan_check_read+0x11/0x20
[  373.564418]  ? ___ratelimit+0x3b4/0x672
[  373.568395]  ? trace_hardirqs_off_caller+0x310/0x310
[  373.573499]  ? trace_hardirqs_on+0x310/0x310
[  373.577913]  ? lock_downgrade+0x900/0x900
[  373.582072]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  373.587178]  ? ___ratelimit+0x3b9/0x672
[  373.591161]  ? idr_get_free+0xf80/0xf80
[  373.595137]  ? find_held_lock+0x36/0x1c0
[  373.599215]  oom_kill_process.cold.27+0x10/0x903
[  373.603975]  ? zap_class+0x640/0x640
[  373.607690]  ? check_preemption_disabled+0x48/0x280
[  373.612724]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  373.617657]  ? kasan_check_read+0x11/0x20
[  373.621811]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  373.627097]  ? oom_evaluate_task+0x540/0x540
[  373.631516]  ? find_held_lock+0x36/0x1c0
[  373.635594]  ? out_of_memory+0x974/0x1430
[  373.639759]  ? lock_downgrade+0x900/0x900
[  373.643911]  ? check_preemption_disabled+0x48/0x280
[  373.648935]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  373.653877]  ? kasan_check_read+0x11/0x20
[  373.658036]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  373.663317]  ? rcu_softirq_qs+0x20/0x20
[  373.667306]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.672853]  ? oom_evaluate_task+0x302/0x540
[  373.677269]  out_of_memory+0xa84/0x1430
[  373.681257]  ? oom_killer_disable+0x3a0/0x3a0
[  373.685759]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  373.690693]  ? __ww_mutex_check_waiters+0x160/0x160
[  373.695737]  __alloc_pages_slowpath+0x2354/0x2e10
[  373.700612]  ? warn_alloc+0x120/0x120
[  373.704767]  ? mark_held_locks+0x130/0x130
[  373.709010]  ? find_get_entry+0xaae/0x1120
[  373.713255]  ? filemap_map_pages+0x1a20/0x1a20
[  373.717845]  ? zap_class+0x640/0x640
[  373.721573]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.727114]  ? check_preemption_disabled+0x48/0x280
[  373.732131]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.737667]  ? should_fail+0x22d/0xd01
[  373.741567]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  373.746672]  ? zap_class+0x640/0x640
[  373.750418]  ? __lock_is_held+0xb5/0x140
[  373.754490]  ? mark_held_locks+0x130/0x130
[  373.758738]  ? lock_release+0xa00/0xa00
[  373.762725]  ? perf_trace_sched_process_exec+0x860/0x860
[  373.768179]  ? xa_load+0x2ba/0x460
[  373.771972]  ? lock_downgrade+0x900/0x900
[  373.776129]  ? __might_sleep+0x95/0x190
[  373.780112]  __alloc_pages_nodemask+0xa80/0xde0
[  373.784792]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  373.789816]  ? __page_cache_alloc+0x191/0x5c0
[  373.794317]  ? xa_load+0x2e1/0x460
[  373.797950]  ? xa_clear_mark+0x40/0x40
[  373.801844]  ? zap_class+0x640/0x640
[  373.805574]  ? zap_class+0x640/0x640
[  373.809288]  ? zap_class+0x640/0x640
[  373.813009]  ? __do_page_cache_readahead+0x663/0x810
[  373.818118]  ? find_held_lock+0x36/0x1c0
[  373.822189]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  373.827747]  alloc_pages_current+0x173/0x350
[  373.832170]  __page_cache_alloc+0x38c/0x5c0
[  373.836494]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  373.841432]  ? kasan_check_read+0x11/0x20
[  373.845585]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  373.850873]  ? generic_perform_write+0x6a0/0x6a0
[  373.855652]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.861592]  ? check_preemption_disabled+0x48/0x280
[  373.866618]  filemap_fault+0x1595/0x25f0
[  373.870708]  ? __lock_page_or_retry+0xa00/0xa00
[  373.875382]  ? mark_held_locks+0x130/0x130
[  373.879631]  ? filemap_map_pages+0xd6b/0x1a20
[  373.884131]  ? lock_downgrade+0x900/0x900
[  373.888282]  ? check_preemption_disabled+0x48/0x280
[  373.893303]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  373.898240]  ? kasan_check_read+0x11/0x20
[  373.902899]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  373.908179]  ? rcu_softirq_qs+0x20/0x20
[  373.912178]  ? filemap_map_pages+0xd92/0x1a20
[  373.916685]  ? __lock_acquire+0x62f/0x4c20
[  373.920958]  ? find_get_entries_tag+0x1400/0x1400
[  373.925825]  ? lock_acquire+0x1ed/0x520
[  373.929803]  ? ext4_filemap_fault+0x7a/0xad
[  373.934136]  ? lock_release+0xa00/0xa00
[  373.938113]  ? perf_trace_sched_process_exec+0x860/0x860
[  373.943573]  ? print_usage_bug+0xc0/0xc0
[  373.947637]  ? print_usage_bug+0xc0/0xc0
[  373.951721]  ? down_read+0x8d/0x120
[  373.955349]  ? ext4_filemap_fault+0x7a/0xad
[  373.959677]  ? __down_interruptible+0x700/0x700
[  373.964367]  ext4_filemap_fault+0x82/0xad
[  373.968518]  __do_fault+0x100/0x6b0
[  373.972157]  ? pmd_devmap_trans_unstable+0x220/0x220
[  373.977273]  ? mark_held_locks+0x130/0x130
[  373.981511]  ? mark_held_locks+0x130/0x130
[  373.985748]  ? __might_fault+0x12b/0x1e0
[  373.990248]  ? lock_downgrade+0x900/0x900
[  373.994409]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.000049]  __handle_mm_fault+0x3ea6/0x5be0
[  374.004502]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  374.009357]  ? kasan_check_read+0x11/0x20
[  374.013508]  ? _copy_to_user+0xc8/0x110
[  374.017488]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.023062]  ? zap_class+0x640/0x640
[  374.026779]  ? zap_class+0x640/0x640
[  374.030501]  ? find_held_lock+0x36/0x1c0
[  374.034593]  ? handle_mm_fault+0x42a/0xc70
[  374.038835]  ? lock_downgrade+0x900/0x900
[  374.042984]  ? check_preemption_disabled+0x48/0x280
[  374.048004]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  374.052952]  ? kasan_check_read+0x11/0x20
[  374.057105]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  374.062384]  ? rcu_softirq_qs+0x20/0x20
[  374.066361]  ? trace_hardirqs_off_caller+0x310/0x310
[  374.071468]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.077009]  ? check_preemption_disabled+0x48/0x280
[  374.082038]  handle_mm_fault+0x54f/0xc70
[  374.086118]  ? __handle_mm_fault+0x5be0/0x5be0
[  374.090717]  ? find_vma+0x34/0x190
[  374.094274]  __do_page_fault+0x5e8/0xe60
[  374.098340]  ? trace_hardirqs_off+0xb8/0x310
[  374.102754]  ? retint_kernel+0x2d/0x2d
[  374.106658]  do_page_fault+0xf2/0x7e0
[  374.110464]  ? vmalloc_sync_all+0x30/0x30
[  374.114617]  ? error_entry+0x70/0xd0
[  374.118334]  ? trace_hardirqs_off_caller+0xbb/0x310
[  374.123350]  ? trace_hardirqs_on_caller+0xc0/0x310
[  374.128280]  ? syscall_return_slowpath+0x5e0/0x5e0
[  374.133218]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  374.138065]  ? trace_hardirqs_on_caller+0x310/0x310
[  374.143080]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  374.148540]  ? prepare_exit_to_usermode+0x291/0x3b0
[  374.153560]  ? page_fault+0x8/0x30
[  374.157107]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  374.161957]  ? page_fault+0x8/0x30
[  374.165502]  page_fault+0x1e/0x30
[  374.168955] RIP: 0033:0x45d911
[  374.172160] Code: Bad RIP value.
[  374.175522] RSP: 002b:000000c420035f18 EFLAGS: 00010246
[  374.180885] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 000000000045d911
[  374.188163] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  374.195440] RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
[  374.202718] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  374.209990] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  374.217293] warn_alloc_show_mem: 1 callbacks suppressed
[  374.217305] CPU: 0 PID: 11721 Comm: syz-executor5 Not tainted 4.19.0+ #74
[  374.217307] Mem-Info:
[  374.217337] active_anon:50643 inactive_anon:847 isolated_anon:0
[  374.217337]  active_file:14 inactive_file:13 isolated_file:0
[  374.217337]  unevictable:0 dirty:0 writeback:0 unstable:0
[  374.217337]  slab_reclaimable:9230 slab_unreclaimable:1469886
[  374.217337]  mapped:49154 shmem:854 pagetables:629 bounce:0
[  374.217337]  free:13794 free_pcp:158 free_cma:0
[  374.222680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  374.222689] Call Trace:
[  374.229630] Node 0 active_anon:202572kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3416kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  374.232034]  <IRQ>
[  374.264912] 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
[  374.274272]  dump_stack+0x244/0x39d
[  374.276827] lowmem_reserve[]: 0 2818 6321 6321
[  374.304516]  ? dump_stack_print_info.cold.1+0x20/0x20
[  374.306655] Node 0 DMA32 free:25280kB min:30052kB low:37564kB high:45076kB active_anon:236kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  374.332781]  warn_alloc.cold.116+0xb7/0x1bd
[  374.336381] lowmem_reserve[]: 0 0 3503 3503
[  374.340960]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  374.346123] Node 0 Normal free:13988kB min:37364kB low:46704kB high:56044kB active_anon:202336kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:412kB local_pcp:252kB free_cma:0kB
[  374.373650]  ? lock_downgrade+0x900/0x900
[  374.377946] lowmem_reserve[]: 0 0 0 0
[  374.382377]  ? trace_hardirqs_off+0xb8/0x310
[  374.387190] 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
[  374.416173]  ? trace_hardirqs_off+0xb8/0x310
[  374.420298] Node 0 DMA32: 2*4kB (H) 3*8kB (UMH) 2*16kB (M) 2*32kB (MH) 5*64kB (MH) 4*128kB (M) 5*256kB (MH) 5*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 25280kB
[  374.424101]  __alloc_pages_slowpath+0x26e8/0x2e10
[  374.428477] Node 0 Normal: 737*4kB (UMEH) 442*8kB (UME) 213*16kB (UME) 70*32kB (UME) 7*64kB (UMH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13988kB
[  374.442025]  ? warn_alloc+0x120/0x120
[  374.446390] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  374.461817]  ? print_usage_bug+0xc0/0xc0
[  374.466645] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  374.481982]  ? warn_alloc+0x120/0x120
[  374.485762] 881 total pagecache pages
[  374.494595]  ? warn_alloc+0x120/0x120
[  374.498636] 0 pages in swap cache
[  374.507201]  ? print_usage_bug+0xc0/0xc0
[  374.510986] Swap cache stats: add 0, delete 0, find 0/0
[  374.514777]  ? print_usage_bug+0xc0/0xc0
[  374.518552] Free swap  = 0kB
[  374.521999]  ? __lock_acquire+0x62f/0x4c20
[  374.526035] Total swap = 0kB
[  374.531396]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.535429] 1965979 pages RAM
[  374.538444]  ? should_fail+0x22d/0xd01
[  374.542651] 0 pages HighMem/MovableOnly
[  374.542660] 342858 pages reserved
[  374.545675]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  374.551187] 0 pages cma reserved
[  374.554287]  ? __lock_acquire+0x62f/0x4c20
[  374.558208] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  374.562117]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  374.562131]  ? __lock_acquire+0x62f/0x4c20
[  374.562146]  ? should_fail+0x22d/0xd01
[  374.565637] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  374.570678]  ? find_held_lock+0x36/0x1c0
[  374.574019] syz-fuzzer cpuset=/ mems_allowed=0
[  374.578251]  ? mark_held_locks+0x130/0x130
[  374.621313]  ? mark_held_locks+0x130/0x130
[  374.625548]  ? zap_class+0x640/0x640
[  374.629263]  ? zap_class+0x640/0x640
[  374.632984]  ? print_usage_bug+0xc0/0xc0
[  374.637047]  ? do_raw_spin_unlock+0xa7/0x330
[  374.641457]  ? zap_class+0x640/0x640
[  374.645172]  ? print_usage_bug+0xc0/0xc0
[  374.649235]  ? wq_watchdog_touch+0x9c/0xfe
[  374.653478]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.659019]  ? check_preemption_disabled+0x48/0x280
[  374.664045]  ? __lock_is_held+0xb5/0x140
[  374.668115]  __alloc_pages_nodemask+0xa80/0xde0
[  374.672784]  ? zap_class+0x640/0x640
[  374.676522]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  374.681552]  ? find_held_lock+0x36/0x1c0
[  374.685626]  ? ____cache_alloc_node+0x1c7/0x1e0
[  374.690297]  ? lock_downgrade+0x900/0x900
[  374.694456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.700005]  cache_grow_begin+0xa5/0x8c0
[  374.704072]  ? do_raw_spin_unlock+0xa7/0x330
[  374.708507]  fallback_alloc+0x204/0x2e0
[  374.712495]  ____cache_alloc_node+0x1c7/0x1e0
[  374.716998]  kmem_cache_alloc_node+0xe3/0x730
[  374.721494]  ? ipv6_get_ifaddr+0x42e/0x620
[  374.725747]  __alloc_skb+0x119/0x770
[  374.729461]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  374.734752]  ? netdev_alloc_frag+0x1f0/0x1f0
[  374.739161]  ? lock_downgrade+0x900/0x900
[  374.743319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.748858]  ? refcount_sub_and_test_checked+0x203/0x310
[  374.754316]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  374.759773]  ? addrconf_rs_timer+0x690/0x690
[  374.764193]  ndisc_alloc_skb+0x144/0x340
[  374.768265]  ndisc_send_rs+0x331/0x6e0
[  374.772595]  addrconf_rs_timer+0x314/0x690
[  374.776841]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.781093]  call_timer_fn+0x272/0x920
[  374.784984]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.789220]  ? process_timeout+0x40/0x40
[  374.793290]  ? __run_timers+0x7da/0xc70
[  374.797271]  ? _raw_spin_unlock_irq+0x27/0x80
[  374.801784]  ? _raw_spin_unlock_irq+0x27/0x80
[  374.806278]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.810516]  ? lockdep_hardirqs_on+0x296/0x5b0
[  374.815106]  ? trace_hardirqs_on+0xbd/0x310
[  374.819433]  ? kasan_check_read+0x11/0x20
[  374.823598]  ? __run_timers+0x7da/0xc70
[  374.827579]  ? trace_hardirqs_off_caller+0x310/0x310
[  374.832687]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.836938]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.841173]  __run_timers+0x7e5/0xc70
[  374.845006]  ? timer_fixup_init+0x70/0x70
[  374.849177]  ? kasan_check_read+0x11/0x20
[  374.853343]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  374.858621]  ? rcu_softirq_qs+0x20/0x20
[  374.862599]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.868142]  ? check_preemption_disabled+0x48/0x280
[  374.873168]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  374.877935]  ? retint_kernel+0x2d/0x2d
[  374.881825]  ? trace_hardirqs_on_caller+0xc0/0x310
[  374.886774]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  374.891550]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  374.897014]  ? zap_class+0x640/0x640
[  374.900752]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.906296]  ? check_preemption_disabled+0x48/0x280
[  374.911327]  ? __lock_is_held+0xb5/0x140
[  374.915393]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.920933]  ? check_preemption_disabled+0x48/0x280
[  374.925959]  run_timer_softirq+0x52/0xb0
[  374.930022]  ? rcu_read_lock_sched_held+0x14f/0x180
[  374.935049]  __do_softirq+0x308/0xb7e
[  374.938856]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  374.943355]  ? lock_downgrade+0x900/0x900
[  374.947517]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  374.952635]  ? pvclock_read_flags+0x160/0x160
[  374.957133]  ? lapic_next_event+0x5a/0x90
[  374.961289]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.966833]  ? kvm_clock_read+0x18/0x30
[  374.970820]  ? kvm_sched_clock_read+0x9/0x20
[  374.975238]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.980783]  ? check_preemption_disabled+0x48/0x280
[  374.985812]  irq_exit+0x17f/0x1c0
[  374.989271]  smp_apic_timer_interrupt+0x1cb/0x760
[  374.994116]  ? smp_reschedule_interrupt+0x109/0x650
[  374.999139]  ? smp_call_function_single_interrupt+0x650/0x650
[  375.005025]  ? interrupt_entry+0xb5/0xc0
[  375.009092]  ? trace_hardirqs_off_caller+0xbb/0x310
[  375.014110]  ? trace_hardirqs_off_caller+0xbb/0x310
[  375.019132]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  375.023975]  ? trace_hardirqs_on_caller+0x310/0x310
[  375.028995]  ? trace_hardirqs_on_caller+0x310/0x310
[  375.034015]  ? task_prio+0x50/0x50
[  375.037565]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.043103]  ? check_preemption_disabled+0x48/0x280
[  375.048128]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  375.052984]  apic_timer_interrupt+0xf/0x20
[  375.057211]  </IRQ>
[  375.059450] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  375.064385] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 14
[  375.083307] RSP: 0000:ffff8801bf14f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  375.091017] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  375.098282] RDX: 0000000000000000 RSI: ffff8801b68a4c40 RDI: 0000000000000286
[  375.105565] RBP: ffff8801bf14f7a0 R08: ffff8801b68a43c0 R09: 0000000000000000
[  375.112838] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  375.120110] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  375.127427]  skb_clone+0x1bb/0x500
[  375.130973]  ? finish_task_switch+0x2f4/0x910
[  375.135473]  ? skb_split+0x11e0/0x11e0
[  375.139366]  ? preempt_notifier_register+0x200/0x200
[  375.144473]  ? __switch_to_asm+0x34/0x70
[  375.148538]  ? __switch_to_asm+0x34/0x70
[  375.152606]  ? __switch_to_asm+0x40/0x70
[  375.156671]  ? __switch_to_asm+0x34/0x70
[  375.160744]  ? __switch_to_asm+0x40/0x70
[  375.164807]  ? __switch_to_asm+0x34/0x70
[  375.168870]  ? __switch_to_asm+0x40/0x70
[  375.172934]  ? __switch_to_asm+0x34/0x70
[  375.176997]  ? __switch_to_asm+0x34/0x70
[  375.181057]  ? __switch_to_asm+0x40/0x70
[  375.185117]  ? __switch_to_asm+0x34/0x70
[  375.189191]  bpf_clone_redirect+0xb9/0x490
[  375.193429]  ? __schedule+0x8d7/0x21d0
[  375.197325]  bpf_prog_bebbfe2050753572+0x6c2/0x1000
[  375.202343]  ? __sched_text_start+0x8/0x8
[  375.206501]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  375.211265]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  375.215857]  ? retint_kernel+0x2d/0x2d
[  375.219751]  ? find_held_lock+0x36/0x1c0
[  375.223827]  ? lock_acquire+0x1ed/0x520
[  375.227806]  ? bpf_test_run+0x3cb/0x780
[  375.231787]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.237327]  ? check_preemption_disabled+0x48/0x280
[  375.242353]  ? kasan_check_read+0x11/0x20
[  375.246503]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  375.251780]  ? rcu_softirq_qs+0x20/0x20
[  375.255757]  ? preempt_schedule+0x4d/0x60
[  375.259910]  ? ___preempt_schedule+0x16/0x18
[  375.264329]  ? bpf_test_run+0x25d/0x780
[  375.268319]  ? netlink_diag_dump+0x2a0/0x2a0
[  375.272740]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.278278]  ? bpf_test_init.isra.10+0x70/0x100
[  375.282952]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  375.287747]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  375.292590]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  375.298132]  ? fput+0x130/0x1a0
[  375.301422]  ? __bpf_prog_get+0x9b/0x290
[  375.305486]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  375.310330]  ? bpf_prog_test_run+0x130/0x1a0
[  375.314751]  ? __x64_sys_bpf+0x3d8/0x520
[  375.318817]  ? bpf_prog_get+0x20/0x20
[  375.322641]  ? do_syscall_64+0x1b9/0x820
[  375.326718]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  375.332085]  ? syscall_return_slowpath+0x5e0/0x5e0
[  375.337018]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  375.341867]  ? trace_hardirqs_on_caller+0x310/0x310
[  375.346888]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  375.351908]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.357449]  ? prepare_exit_to_usermode+0x291/0x3b0
[  375.362476]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  375.367335]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  375.372737] CPU: 1 PID: 5666 Comm: syz-fuzzer Not tainted 4.19.0+ #74
[  375.372834] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  375.379323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  375.379332] Call Trace:
[  375.386066] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  375.395157]  <IRQ>
[  375.397737] syz-executor5 cpuset=syz5 mems_allowed=0
[  375.408229]  dump_stack+0x244/0x39d
[  375.419070]  ? dump_stack_print_info.cold.1+0x20/0x20
[  375.424281]  warn_alloc.cold.116+0xb7/0x1bd
[  375.428607]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  375.433454]  ? lock_downgrade+0x900/0x900
[  375.437617]  ? trace_hardirqs_off+0xb8/0x310
[  375.442032]  ? trace_hardirqs_off+0xb8/0x310
[  375.446452]  __alloc_pages_slowpath+0x26e8/0x2e10
[  375.451331]  ? warn_alloc+0x120/0x120
[  375.455143]  ? print_usage_bug+0xc0/0xc0
[  375.459209]  ? warn_alloc+0x120/0x120
[  375.463021]  ? warn_alloc+0x120/0x120
[  375.466827]  ? print_usage_bug+0xc0/0xc0
[  375.470898]  ? print_usage_bug+0xc0/0xc0
[  375.474970]  ? __lock_acquire+0x62f/0x4c20
[  375.479219]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.484763]  ? should_fail+0x22d/0xd01
[  375.488660]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  375.493769]  ? __lock_acquire+0x62f/0x4c20
[  375.498010]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  375.503120]  ? __lock_acquire+0x62f/0x4c20
[  375.507358]  ? should_fail+0x22d/0xd01
[  375.511256]  ? find_held_lock+0x36/0x1c0
[  375.515334]  ? mark_held_locks+0x130/0x130
[  375.519577]  ? mark_held_locks+0x130/0x130
[  375.523829]  ? zap_class+0x640/0x640
[  375.527564]  ? zap_class+0x640/0x640
[  375.531284]  ? print_usage_bug+0xc0/0xc0
[  375.535348]  ? do_raw_spin_unlock+0xa7/0x330
[  375.539766]  ? zap_class+0x640/0x640
[  375.543483]  ? print_usage_bug+0xc0/0xc0
[  375.547547]  ? wq_watchdog_touch+0x9c/0xfe
[  375.551788]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.557331]  ? check_preemption_disabled+0x48/0x280
[  375.562380]  ? __lock_is_held+0xb5/0x140
[  375.566453]  __alloc_pages_nodemask+0xa80/0xde0
[  375.571128]  ? zap_class+0x640/0x640
[  375.574851]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  375.579881]  ? find_held_lock+0x36/0x1c0
[  375.583957]  ? ____cache_alloc_node+0x1c7/0x1e0
[  375.588632]  ? lock_downgrade+0x900/0x900
[  375.592789]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.598335]  cache_grow_begin+0xa5/0x8c0
[  375.602397]  ? do_raw_spin_unlock+0xa7/0x330
[  375.606824]  fallback_alloc+0x204/0x2e0
[  375.610818]  ____cache_alloc_node+0x1c7/0x1e0
[  375.615324]  kmem_cache_alloc_node+0xe3/0x730
[  375.619822]  ? ipv6_get_ifaddr+0x42e/0x620
[  375.624072]  __alloc_skb+0x119/0x770
[  375.627787]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  375.633075]  ? netdev_alloc_frag+0x1f0/0x1f0
[  375.637491]  ? lock_downgrade+0x900/0x900
[  375.641650]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.647194]  ? refcount_sub_and_test_checked+0x203/0x310
[  375.652659]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  375.658113]  ? addrconf_rs_timer+0x690/0x690
[  375.662543]  ndisc_alloc_skb+0x144/0x340
[  375.666611]  ndisc_send_rs+0x331/0x6e0
[  375.670510]  addrconf_rs_timer+0x314/0x690
[  375.674753]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.679025]  call_timer_fn+0x272/0x920
[  375.682919]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.687160]  ? process_timeout+0x40/0x40
[  375.691248]  ? mark_held_locks+0xc7/0x130
[  375.695404]  ? _raw_spin_unlock_irq+0x27/0x80
[  375.699902]  ? _raw_spin_unlock_irq+0x27/0x80
[  375.704397]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.708638]  ? lockdep_hardirqs_on+0x296/0x5b0
[  375.713234]  ? trace_hardirqs_on+0xbd/0x310
[  375.717569]  ? kasan_check_read+0x11/0x20
[  375.721747]  ? __run_timers+0x7da/0xc70
[  375.725744]  ? trace_hardirqs_off_caller+0x310/0x310
[  375.730861]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.735109]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.739349]  __run_timers+0x7e5/0xc70
[  375.743170]  ? timer_fixup_init+0x70/0x70
[  375.747343]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  375.752363]  ? zap_class+0x640/0x640
[  375.756086]  ? print_usage_bug+0xc0/0xc0
[  375.760154]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  375.765442]  ? find_held_lock+0x36/0x1c0
[  375.769512]  ? zap_class+0x640/0x640
[  375.773623]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.779164]  ? check_preemption_disabled+0x48/0x280
[  375.784193]  ? __lock_is_held+0xb5/0x140
[  375.788261]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.793803]  ? check_preemption_disabled+0x48/0x280
[  375.798827]  run_timer_softirq+0x52/0xb0
[  375.802896]  ? rcu_read_lock_sched_held+0x14f/0x180
[  375.807918]  __do_softirq+0x308/0xb7e
[  375.811742]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  375.816250]  ? lock_downgrade+0x900/0x900
[  375.820406]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  375.825526]  ? pvclock_read_flags+0x160/0x160
[  375.830027]  ? lapic_next_event+0x5a/0x90
[  375.834180]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.839738]  ? kvm_clock_read+0x18/0x30
[  375.843721]  ? kvm_sched_clock_read+0x9/0x20
[  375.848135]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.853681]  ? check_preemption_disabled+0x48/0x280
[  375.858726]  irq_exit+0x17f/0x1c0
[  375.862191]  smp_apic_timer_interrupt+0x1cb/0x760
[  375.867041]  ? smp_reschedule_interrupt+0x109/0x650
[  375.872062]  ? smp_call_function_single_interrupt+0x650/0x650
[  375.877952]  ? interrupt_entry+0xb5/0xc0
[  375.882019]  ? trace_hardirqs_off_caller+0xbb/0x310
[  375.887040]  ? trace_hardirqs_off_caller+0xbb/0x310
[  375.892071]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  375.896922]  ? trace_hardirqs_on_caller+0x310/0x310
[  375.902472]  ? trace_hardirqs_on_caller+0x310/0x310
[  375.907507]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  375.912384]  apic_timer_interrupt+0xf/0x20
[  375.916615]  </IRQ>
[  375.918853] RIP: 0010:dump_stack+0x358/0x39d
[  375.923264] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 a1 9c fd f9 48 83 3d 29 00 8d 01 00 0f 84 63 fe ff ff e8 ee 69 ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db 69 ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  375.942163] RSP: 0000:ffff8801b9cce1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  375.949876] RAX: ffff8801d71b2040 RBX: 1ffffffff12a3f46 RCX: 1ffff1003ae36526
[  375.957145] RDX: 0000000000000000 RSI: ffffffff87c4fa12 RDI: 0000000000000293
[  375.964608] RBP: ffff8801b9cce290 R08: ffff8801d71b2930 R09: 0000000000000006
[  375.971882] R10: 0000000000000000 R11: ffff8801d71b2040 R12: 1ffff10037399c45
[  375.979150] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  375.986453]  ? dump_stack+0x34f/0x39d
[  375.990275]  ? dump_stack_print_info.cold.1+0x20/0x20
[  375.995475]  ? mark_held_locks+0x130/0x130
[  375.999717]  ? mark_held_locks+0x130/0x130
[  376.003963]  dump_header+0x27b/0xf72
[  376.007692]  ? pagefault_out_of_memory+0x197/0x197
[  376.012640]  ? __lock_acquire+0x62f/0x4c20
[  376.016877]  ? percpu_ref_get_many+0x240/0x240
[  376.021465]  ? print_usage_bug+0xc0/0xc0
[  376.025538]  ? zap_class+0x640/0x640
[  376.029261]  ? print_usage_bug+0xc0/0xc0
[  376.033322]  ? print_usage_bug+0xc0/0xc0
[  376.037390]  ? zap_class+0x640/0x640
[  376.041111]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.046657]  ? find_held_lock+0x36/0x1c0
[  376.050737]  ? mark_held_locks+0xc7/0x130
[  376.054980]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  376.060087]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  376.065193]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  376.069784]  ? trace_hardirqs_on+0xbd/0x310
[  376.074109]  ? kasan_check_read+0x11/0x20
[  376.078261]  ? ___ratelimit+0x3b4/0x672
[  376.082243]  ? trace_hardirqs_off_caller+0x310/0x310
[  376.087353]  ? trace_hardirqs_on+0x310/0x310
[  376.091766]  ? lock_downgrade+0x900/0x900
[  376.095928]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  376.101055]  ? ___ratelimit+0x3b9/0x672
[  376.105039]  ? idr_get_free+0xf80/0xf80
[  376.109015]  ? find_held_lock+0x36/0x1c0
[  376.113089]  oom_kill_process.cold.27+0x10/0x903
[  376.117847]  ? zap_class+0x640/0x640
[  376.121565]  ? check_preemption_disabled+0x48/0x280
[  376.126586]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  376.131520]  ? kasan_check_read+0x11/0x20
[  376.135667]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  376.140954]  ? oom_evaluate_task+0x540/0x540
[  376.145367]  ? find_held_lock+0x36/0x1c0
[  376.149439]  ? out_of_memory+0x974/0x1430
[  376.153590]  ? lock_downgrade+0x900/0x900
[  376.157745]  ? check_preemption_disabled+0x48/0x280
[  376.162939]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  376.167871]  ? kasan_check_read+0x11/0x20
[  376.172019]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  376.177387]  ? rcu_softirq_qs+0x20/0x20
[  376.181370]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.186912]  ? oom_evaluate_task+0x302/0x540
[  376.191328]  out_of_memory+0xa84/0x1430
[  376.195322]  ? oom_killer_disable+0x3a0/0x3a0
[  376.199821]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  376.204757]  ? __ww_mutex_check_waiters+0x160/0x160
[  376.209797]  __alloc_pages_slowpath+0x2354/0x2e10
[  376.214673]  ? warn_alloc+0x120/0x120
[  376.218531]  ? mark_held_locks+0x130/0x130
[  376.222775]  ? find_get_entry+0xaae/0x1120
[  376.227024]  ? filemap_map_pages+0x1a20/0x1a20
[  376.231612]  ? zap_class+0x640/0x640
[  376.235333]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.240875]  ? check_preemption_disabled+0x48/0x280
[  376.245896]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.251435]  ? should_fail+0x22d/0xd01
[  376.255355]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  376.260466]  ? zap_class+0x640/0x640
[  376.264217]  ? __lock_is_held+0xb5/0x140
[  376.268292]  ? mark_held_locks+0x130/0x130
[  376.272538]  ? lock_release+0xa00/0xa00
[  376.276515]  ? perf_trace_sched_process_exec+0x860/0x860
[  376.281965]  ? xa_load+0x2ba/0x460
[  376.285508]  ? lock_downgrade+0x900/0x900
[  376.289666]  ? __might_sleep+0x95/0x190
[  376.293652]  __alloc_pages_nodemask+0xa80/0xde0
[  376.298339]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  376.303358]  ? __page_cache_alloc+0x191/0x5c0
[  376.307873]  ? xa_load+0x2e1/0x460
[  376.311421]  ? xa_clear_mark+0x40/0x40
[  376.315311]  ? zap_class+0x640/0x640
[  376.319038]  ? zap_class+0x640/0x640
[  376.322757]  ? zap_class+0x640/0x640
[  376.326490]  ? __do_page_cache_readahead+0x663/0x810
[  376.331607]  ? find_held_lock+0x36/0x1c0
[  376.335677]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  376.341242]  alloc_pages_current+0x173/0x350
[  376.345663]  __page_cache_alloc+0x38c/0x5c0
[  376.349985]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  376.354919]  ? kasan_check_read+0x11/0x20
[  376.359067]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  376.364348]  ? generic_perform_write+0x6a0/0x6a0
[  376.369109]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.374652]  ? check_preemption_disabled+0x48/0x280
[  376.379679]  filemap_fault+0x1595/0x25f0
[  376.383765]  ? __lock_page_or_retry+0xa00/0xa00
[  376.388439]  ? mark_held_locks+0x130/0x130
[  376.392688]  ? filemap_map_pages+0xd6b/0x1a20
[  376.397196]  ? lock_downgrade+0x900/0x900
[  376.401351]  ? check_preemption_disabled+0x48/0x280
[  376.406375]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  376.411308]  ? kasan_check_read+0x11/0x20
[  376.415456]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  376.420741]  ? rcu_softirq_qs+0x20/0x20
[  376.424752]  ? filemap_map_pages+0xd92/0x1a20
[  376.429254]  ? __lock_acquire+0x62f/0x4c20
[  376.433520]  ? find_get_entries_tag+0x1400/0x1400
[  376.438391]  ? lock_acquire+0x1ed/0x520
[  376.442367]  ? ext4_filemap_fault+0x7a/0xad
[  376.446698]  ? lock_release+0xa00/0xa00
[  376.450685]  ? perf_trace_sched_process_exec+0x860/0x860
[  376.456150]  ? print_usage_bug+0xc0/0xc0
[  376.460222]  ? print_usage_bug+0xc0/0xc0
[  376.464300]  ? down_read+0x8d/0x120
[  376.467927]  ? ext4_filemap_fault+0x7a/0xad
[  376.472252]  ? __down_interruptible+0x700/0x700
[  376.476936]  ext4_filemap_fault+0x82/0xad
[  376.481090]  __do_fault+0x100/0x6b0
[  376.484730]  ? pmd_devmap_trans_unstable+0x220/0x220
[  376.489842]  ? mark_held_locks+0x130/0x130
[  376.494085]  ? mark_held_locks+0x130/0x130
[  376.498325]  ? __might_fault+0x12b/0x1e0
[  376.502391]  ? lock_downgrade+0x900/0x900
[  376.506551]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.512102]  __handle_mm_fault+0x3ea6/0x5be0
[  376.516529]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  376.521383]  ? kasan_check_read+0x11/0x20
[  376.525539]  ? _copy_to_user+0xc8/0x110
[  376.529519]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.535071]  ? zap_class+0x640/0x640
[  376.538790]  ? zap_class+0x640/0x640
[  376.542513]  ? find_held_lock+0x36/0x1c0
[  376.546603]  ? handle_mm_fault+0x42a/0xc70
[  376.550845]  ? lock_downgrade+0x900/0x900
[  376.554997]  ? check_preemption_disabled+0x48/0x280
[  376.560022]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  376.564960]  ? kasan_check_read+0x11/0x20
[  376.569116]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  376.574399]  ? rcu_softirq_qs+0x20/0x20
[  376.578377]  ? trace_hardirqs_off_caller+0x310/0x310
[  376.583488]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.589048]  ? check_preemption_disabled+0x48/0x280
[  376.594084]  handle_mm_fault+0x54f/0xc70
[  376.598155]  ? __handle_mm_fault+0x5be0/0x5be0
[  376.602744]  ? find_vma+0x34/0x190
[  376.606299]  __do_page_fault+0x5e8/0xe60
[  376.610366]  ? trace_hardirqs_off+0xb8/0x310
[  376.614777]  ? retint_kernel+0x2d/0x2d
[  376.618698]  do_page_fault+0xf2/0x7e0
[  376.622516]  ? vmalloc_sync_all+0x30/0x30
[  376.626672]  ? error_entry+0x70/0xd0
[  376.630396]  ? trace_hardirqs_off_caller+0xbb/0x310
[  376.635434]  ? trace_hardirqs_on_caller+0xc0/0x310
[  376.640371]  ? syscall_return_slowpath+0x5e0/0x5e0
[  376.645308]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  376.650181]  ? trace_hardirqs_on_caller+0x310/0x310
[  376.655231]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  376.660694]  ? prepare_exit_to_usermode+0x291/0x3b0
[  376.665731]  ? page_fault+0x8/0x30
[  376.669289]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  376.674139]  ? page_fault+0x8/0x30
[  376.677711]  page_fault+0x1e/0x30
[  376.681170] RIP: 0033:0x45d911
[  376.684375] Code: Bad RIP value.
[  376.687737] RSP: 002b:000000c420035f18 EFLAGS: 00010246
[  376.693106] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 000000000045d911
[  376.700374] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  376.707645] RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
[  376.714936] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  376.722210] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  376.729522] CPU: 0 PID: 11721 Comm: syz-executor5 Not tainted 4.19.0+ #74
[  376.729528] warn_alloc_show_mem: 1 callbacks suppressed
[  376.729536] Mem-Info:
[  376.736467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  376.736477] Call Trace:
[  376.741856] active_anon:50643 inactive_anon:847 isolated_anon:0
[  376.741856]  active_file:14 inactive_file:13 isolated_file:0
[  376.741856]  unevictable:0 dirty:0 writeback:0 unstable:0
[  376.741856]  slab_reclaimable:9230 slab_unreclaimable:1469886
[  376.741856]  mapped:49154 shmem:854 pagetables:629 bounce:0
[  376.741856]  free:13794 free_pcp:158 free_cma:0
[  376.744229]  <IRQ>
[  376.753599] Node 0 active_anon:202572kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3416kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  376.756183]  dump_stack+0x244/0x39d
[  376.789050] 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
[  376.791209]  ? dump_stack_print_info.cold.1+0x20/0x20
[  376.818862] lowmem_reserve[]: 0 2818 6321 6321
[  376.822507]  warn_alloc.cold.116+0xb7/0x1bd
[  376.848595] Node 0 DMA32 free:25280kB min:30052kB low:37564kB high:45076kB active_anon:236kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  376.853793]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  376.858347] lowmem_reserve[]: 0 0 3503 3503
[  376.862672]  ? lock_downgrade+0x900/0x900
[  376.890172] Node 0 Normal free:13988kB min:37364kB low:46704kB high:56044kB active_anon:202336kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:412kB local_pcp:252kB free_cma:0kB
[  376.895031]  ? trace_hardirqs_off+0xb8/0x310
[  376.899317] lowmem_reserve[]: 0 0 0 0
[  376.903466]  ? trace_hardirqs_off+0xb8/0x310
[  376.932429] 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
[  376.936852]  __alloc_pages_slowpath+0x26e8/0x2e10
[  376.940618] Node 0 DMA32: 2*4kB (H) 3*8kB (UMH) 2*16kB (M) 2*32kB (MH) 5*64kB (MH) 4*128kB (M) 5*256kB (MH) 5*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 25280kB
[  376.945050]  ? warn_alloc+0x120/0x120
[  376.958525] Node 0 Normal: 737*4kB (UMEH) 442*8kB (UME) 213*16kB (UME) 70*32kB (UME) 7*64kB (UMH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13988kB
[  376.963369]  ? warn_alloc+0x120/0x120
[  376.978782] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  376.982571]  ? warn_alloc+0x120/0x120
[  376.997909] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  376.997918] 881 total pagecache pages
[  377.001728]  ? print_usage_bug+0xc0/0xc0
[  377.010892] 0 pages in swap cache
[  377.014681]  ? __lock_acquire+0x62f/0x4c20
[  377.023243] Swap cache stats: add 0, delete 0, find 0/0
[  377.027038]  ? print_usage_bug+0xc0/0xc0
[  377.031074] Free swap  = 0kB
[  377.034521]  ? __lock_acquire+0x62f/0x4c20
[  377.038735] Total swap = 0kB
[  377.044094]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  377.048127] 1965979 pages RAM
[  377.051144]  ? should_fail+0x22d/0xd01
[  377.055351] 0 pages HighMem/MovableOnly
[  377.058364]  ? __lock_acquire+0x62f/0x4c20
[  377.063869] 342858 pages reserved
[  377.063878] 0 pages cma reserved
[  377.066984]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  377.070914] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  377.074807]  ? __lock_acquire+0x62f/0x4c20
[  377.074827]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  377.074843]  ? __lock_acquire+0x62f/0x4c20
[  377.079136] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  377.082525]  ? should_fail+0x22d/0xd01
[  377.085868] syz-fuzzer cpuset=/ mems_allowed=0
[  377.090973]  ? mark_held_locks+0x130/0x130
[  377.133850]  ? mark_held_locks+0x130/0x130
[  377.138091]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  377.143204]  ? zap_class+0x640/0x640
[  377.146922]  ? print_usage_bug+0xc0/0xc0
[  377.150989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.156531]  ? check_preemption_disabled+0x48/0x280
[  377.161560]  ? __lock_is_held+0xb5/0x140
[  377.165629]  __alloc_pages_nodemask+0xa80/0xde0
[  377.170301]  ? zap_class+0x640/0x640
[  377.174029]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  377.179064]  ? find_held_lock+0x36/0x1c0
[  377.183136]  ? ____cache_alloc_node+0x1c7/0x1e0
[  377.187813]  ? lock_downgrade+0x900/0x900
[  377.191973]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.197522]  cache_grow_begin+0xa5/0x8c0
[  377.201586]  ? do_raw_spin_unlock+0xa7/0x330
[  377.206008]  fallback_alloc+0x204/0x2e0
[  377.209992]  ____cache_alloc_node+0x1c7/0x1e0
[  377.214495]  kmem_cache_alloc_node+0xe3/0x730
[  377.218994]  ? ipv6_get_ifaddr+0x42e/0x620
[  377.223260]  __alloc_skb+0x119/0x770
[  377.226977]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  377.232262]  ? netdev_alloc_frag+0x1f0/0x1f0
[  377.236676]  ? lock_downgrade+0x900/0x900
[  377.240845]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.246384]  ? refcount_sub_and_test_checked+0x203/0x310
[  377.251847]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  377.257298]  ? addrconf_rs_timer+0x690/0x690
[  377.261735]  ndisc_alloc_skb+0x144/0x340
[  377.265805]  ndisc_send_rs+0x331/0x6e0
[  377.269709]  addrconf_rs_timer+0x314/0x690
[  377.273959]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.278210]  call_timer_fn+0x272/0x920
[  377.282101]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.286337]  ? process_timeout+0x40/0x40
[  377.290407]  ? __run_timers+0x7da/0xc70
[  377.294390]  ? _raw_spin_unlock_irq+0x27/0x80
[  377.298891]  ? _raw_spin_unlock_irq+0x27/0x80
[  377.303390]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.307629]  ? lockdep_hardirqs_on+0x296/0x5b0
[  377.312215]  ? trace_hardirqs_on+0xbd/0x310
[  377.316620]  ? kasan_check_read+0x11/0x20
[  377.320776]  ? __run_timers+0x7da/0xc70
[  377.324758]  ? trace_hardirqs_off_caller+0x310/0x310
[  377.329930]  ? prandom_seed_full_state+0x3b0/0x3b0
[  377.334872]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.339111]  __run_timers+0x7e5/0xc70
[  377.342928]  ? timer_fixup_init+0x70/0x70
[  377.347084]  ? kasan_check_read+0x11/0x20
[  377.351238]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  377.356525]  ? rcu_softirq_qs+0x20/0x20
[  377.360509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.366056]  ? check_preemption_disabled+0x48/0x280
[  377.371107]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  377.375880]  ? retint_kernel+0x2d/0x2d
[  377.379791]  ? trace_hardirqs_on_caller+0xc0/0x310
[  377.384738]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  377.389500]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  377.394957]  ? zap_class+0x640/0x640
[  377.398680]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.404236]  ? check_preemption_disabled+0x48/0x280
[  377.409272]  ? __lock_is_held+0xb5/0x140
[  377.413338]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.418881]  ? check_preemption_disabled+0x48/0x280
[  377.423906]  run_timer_softirq+0x52/0xb0
[  377.427980]  ? rcu_read_lock_sched_held+0x14f/0x180
[  377.433004]  __do_softirq+0x308/0xb7e
[  377.436904]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  377.441401]  ? lock_downgrade+0x900/0x900
[  377.445581]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  377.450699]  ? pvclock_read_flags+0x160/0x160
[  377.455216]  ? lapic_next_event+0x5a/0x90
[  377.459368]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.464919]  ? kvm_clock_read+0x18/0x30
[  377.468898]  ? kvm_sched_clock_read+0x9/0x20
[  377.473313]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.478853]  ? check_preemption_disabled+0x48/0x280
[  377.483882]  irq_exit+0x17f/0x1c0
[  377.487342]  smp_apic_timer_interrupt+0x1cb/0x760
[  377.492537]  ? smp_reschedule_interrupt+0x109/0x650
[  377.497562]  ? smp_call_function_single_interrupt+0x650/0x650
[  377.503454]  ? interrupt_entry+0xb5/0xc0
[  377.507521]  ? trace_hardirqs_off_caller+0xbb/0x310
[  377.512538]  ? trace_hardirqs_off_caller+0xbb/0x310
[  377.517558]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  377.522404]  ? trace_hardirqs_on_caller+0x310/0x310
[  377.527443]  ? trace_hardirqs_on_caller+0x310/0x310
[  377.532465]  ? task_prio+0x50/0x50
[  377.536012]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.541558]  ? check_preemption_disabled+0x48/0x280
[  377.546584]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  377.551552]  apic_timer_interrupt+0xf/0x20
[  377.555788]  </IRQ>
[  377.558030] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  377.562971] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 14
[  377.581884] RSP: 0000:ffff8801bf14f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  377.589609] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  377.596890] RDX: 0000000000000000 RSI: ffff8801b68a4c40 RDI: 0000000000000286
[  377.604170] RBP: ffff8801bf14f7a0 R08: ffff8801b68a43c0 R09: 0000000000000000
[  377.611451] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  377.618733] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  377.626050]  skb_clone+0x1bb/0x500
[  377.629601]  ? finish_task_switch+0x2f4/0x910
[  377.634102]  ? skb_split+0x11e0/0x11e0
[  377.637995]  ? preempt_notifier_register+0x200/0x200
[  377.643102]  ? __switch_to_asm+0x34/0x70
[  377.647202]  ? __switch_to_asm+0x34/0x70
[  377.651285]  ? __switch_to_asm+0x40/0x70
[  377.655349]  ? __switch_to_asm+0x34/0x70
[  377.659411]  ? __switch_to_asm+0x40/0x70
[  377.663475]  ? __switch_to_asm+0x34/0x70
[  377.667537]  ? __switch_to_asm+0x40/0x70
[  377.671597]  ? __switch_to_asm+0x34/0x70
[  377.675660]  ? __switch_to_asm+0x34/0x70
[  377.679731]  ? __switch_to_asm+0x40/0x70
[  377.683795]  ? __switch_to_asm+0x34/0x70
[  377.687872]  bpf_clone_redirect+0xb9/0x490
[  377.692111]  ? __schedule+0x8d7/0x21d0
[  377.696010]  bpf_prog_bebbfe2050753572+0x6c2/0x1000
[  377.701036]  ? __sched_text_start+0x8/0x8
[  377.705189]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  377.709955]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  377.714541]  ? retint_kernel+0x2d/0x2d
[  377.718439]  ? find_held_lock+0x36/0x1c0
[  377.722516]  ? lock_acquire+0x1ed/0x520
[  377.726490]  ? bpf_test_run+0x3cb/0x780
[  377.730467]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.736009]  ? check_preemption_disabled+0x48/0x280
[  377.741039]  ? kasan_check_read+0x11/0x20
[  377.745192]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  377.750474]  ? rcu_softirq_qs+0x20/0x20
[  377.754454]  ? preempt_schedule+0x4d/0x60
[  377.758609]  ? ___preempt_schedule+0x16/0x18
[  377.763029]  ? bpf_test_run+0x25d/0x780
[  377.767018]  ? netlink_diag_dump+0x2a0/0x2a0
[  377.771911]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  377.777455]  ? bpf_test_init.isra.10+0x70/0x100
[  377.782133]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  377.786905]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  377.791756]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  377.797307]  ? fput+0x130/0x1a0
[  377.800597]  ? __bpf_prog_get+0x9b/0x290
[  377.804669]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  377.809545]  ? bpf_prog_test_run+0x130/0x1a0
[  377.813965]  ? __x64_sys_bpf+0x3d8/0x520
[  377.818034]  ? bpf_prog_get+0x20/0x20
[  377.822036]  ? do_syscall_64+0x1b9/0x820
[  377.826100]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  377.831472]  ? syscall_return_slowpath+0x5e0/0x5e0
[  377.836424]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  377.841279]  ? trace_hardirqs_on_caller+0x310/0x310
[  377.846303]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  377.851323]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.856869]  ? prepare_exit_to_usermode+0x291/0x3b0
[  377.861898]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  377.866764]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  377.872657] CPU: 1 PID: 5666 Comm: syz-fuzzer Not tainted 4.19.0+ #74
[  377.872742] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  377.879264] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  377.879273] Call Trace:
[  377.885871] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  377.895113]  <IRQ>
[  377.897691] syz-executor5 cpuset=syz5 mems_allowed=0
[  377.908727]  dump_stack+0x244/0x39d
[  377.919616]  ? dump_stack_print_info.cold.1+0x20/0x20
[  377.924830]  warn_alloc.cold.116+0xb7/0x1bd
[  377.929156]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  377.934007]  ? lock_downgrade+0x900/0x900
[  377.938170]  ? trace_hardirqs_off+0xb8/0x310
[  377.942590]  ? trace_hardirqs_off+0xb8/0x310
[  377.947009]  __alloc_pages_slowpath+0x26e8/0x2e10
[  377.951887]  ? warn_alloc+0x120/0x120
[  377.955694]  ? print_usage_bug+0xc0/0xc0
[  377.959768]  ? warn_alloc+0x120/0x120
[  377.963578]  ? warn_alloc+0x120/0x120
[  377.967382]  ? print_usage_bug+0xc0/0xc0
[  377.971450]  ? print_usage_bug+0xc0/0xc0
[  377.975516]  ? __lock_acquire+0x62f/0x4c20
[  377.979761]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  377.985309]  ? should_fail+0x22d/0xd01
[  377.989209]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  377.994331]  ? __lock_acquire+0x62f/0x4c20
[  377.998588]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  378.003698]  ? __lock_acquire+0x62f/0x4c20
[  378.007943]  ? should_fail+0x22d/0xd01
[  378.011837]  ? find_held_lock+0x36/0x1c0
[  378.015908]  ? mark_held_locks+0x130/0x130
[  378.020149]  ? mark_held_locks+0x130/0x130
[  378.024382]  ? zap_class+0x640/0x640
[  378.028096]  ? zap_class+0x640/0x640
[  378.031816]  ? print_usage_bug+0xc0/0xc0
[  378.035881]  ? do_raw_spin_unlock+0xa7/0x330
[  378.040293]  ? zap_class+0x640/0x640
[  378.044010]  ? print_usage_bug+0xc0/0xc0
[  378.048076]  ? wq_watchdog_touch+0x9c/0xfe
[  378.052317]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.057860]  ? check_preemption_disabled+0x48/0x280
[  378.062890]  ? __lock_is_held+0xb5/0x140
[  378.066965]  __alloc_pages_nodemask+0xa80/0xde0
[  378.071638]  ? zap_class+0x640/0x640
[  378.075371]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  378.080406]  ? find_held_lock+0x36/0x1c0
[  378.084491]  ? ____cache_alloc_node+0x1c7/0x1e0
[  378.089176]  ? lock_downgrade+0x900/0x900
[  378.093347]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.098907]  cache_grow_begin+0xa5/0x8c0
[  378.102982]  ? do_raw_spin_unlock+0xa7/0x330
[  378.107405]  fallback_alloc+0x204/0x2e0
[  378.111391]  ____cache_alloc_node+0x1c7/0x1e0
[  378.115896]  kmem_cache_alloc_node+0xe3/0x730
[  378.120398]  ? ipv6_get_ifaddr+0x42e/0x620
[  378.124647]  __alloc_skb+0x119/0x770
[  378.128363]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  378.133654]  ? netdev_alloc_frag+0x1f0/0x1f0
[  378.138075]  ? lock_downgrade+0x900/0x900
[  378.142241]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.147786]  ? refcount_sub_and_test_checked+0x203/0x310
[  378.153255]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  378.158725]  ? addrconf_rs_timer+0x690/0x690
[  378.163156]  ndisc_alloc_skb+0x144/0x340
[  378.167231]  ndisc_send_rs+0x331/0x6e0
[  378.171124]  addrconf_rs_timer+0x314/0x690
[  378.175366]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.179626]  call_timer_fn+0x272/0x920
[  378.183520]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.187764]  ? process_timeout+0x40/0x40
[  378.191847]  ? mark_held_locks+0xc7/0x130
[  378.196012]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.200516]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.205016]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.209285]  ? lockdep_hardirqs_on+0x296/0x5b0
[  378.213884]  ? trace_hardirqs_on+0xbd/0x310
[  378.218219]  ? kasan_check_read+0x11/0x20
[  378.222375]  ? __run_timers+0x7da/0xc70
[  378.226359]  ? trace_hardirqs_off_caller+0x310/0x310
[  378.231477]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.235729]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.239970]  __run_timers+0x7e5/0xc70
[  378.243787]  ? timer_fixup_init+0x70/0x70
[  378.247946]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  378.252968]  ? zap_class+0x640/0x640
[  378.256688]  ? print_usage_bug+0xc0/0xc0
[  378.260763]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  378.265961]  ? find_held_lock+0x36/0x1c0
[  378.270032]  ? zap_class+0x640/0x640
[  378.273754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.279300]  ? check_preemption_disabled+0x48/0x280
[  378.284330]  ? __lock_is_held+0xb5/0x140
[  378.288399]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.293944]  ? check_preemption_disabled+0x48/0x280
[  378.298969]  run_timer_softirq+0x52/0xb0
[  378.303056]  ? rcu_read_lock_sched_held+0x14f/0x180
[  378.308076]  __do_softirq+0x308/0xb7e
[  378.311883]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  378.316379]  ? lock_downgrade+0x900/0x900
[  378.320532]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  378.325645]  ? pvclock_read_flags+0x160/0x160
[  378.330153]  ? lapic_next_event+0x5a/0x90
[  378.334306]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.339855]  ? kvm_clock_read+0x18/0x30
[  378.343832]  ? kvm_sched_clock_read+0x9/0x20
[  378.348251]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.353794]  ? check_preemption_disabled+0x48/0x280
[  378.358825]  irq_exit+0x17f/0x1c0
[  378.362288]  smp_apic_timer_interrupt+0x1cb/0x760
[  378.367139]  ? smp_reschedule_interrupt+0x109/0x650
[  378.372171]  ? smp_call_function_single_interrupt+0x650/0x650
[  378.378067]  ? interrupt_entry+0xb5/0xc0
[  378.382139]  ? trace_hardirqs_off_caller+0xbb/0x310
[  378.387169]  ? trace_hardirqs_off_caller+0xbb/0x310
[  378.392206]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  378.397075]  ? trace_hardirqs_on_caller+0x310/0x310
[  378.402109]  ? trace_hardirqs_on_caller+0x310/0x310
[  378.407154]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  378.412032]  apic_timer_interrupt+0xf/0x20
[  378.416275]  </IRQ>
[  378.418522] RIP: 0010:dump_stack+0x358/0x39d
[  378.422942] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 a1 9c fd f9 48 83 3d 29 00 8d 01 00 0f 84 63 fe ff ff e8 ee 69 ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db 69 ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  378.441853] RSP: 0000:ffff8801b9cce1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  378.449568] RAX: ffff8801d71b2040 RBX: 1ffffffff12a3f46 RCX: 1ffff1003ae36526
[  378.456843] RDX: 0000000000000000 RSI: ffffffff87c4fa12 RDI: 0000000000000293
[  378.464113] RBP: ffff8801b9cce290 R08: ffff8801d71b2930 R09: 0000000000000006
[  378.471410] R10: 0000000000000000 R11: ffff8801d71b2040 R12: 1ffff10037399c45
[  378.478695] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  378.486013]  ? dump_stack+0x34f/0x39d
[  378.489851]  ? dump_stack_print_info.cold.1+0x20/0x20
[  378.495059]  ? mark_held_locks+0x130/0x130
[  378.499303]  ? mark_held_locks+0x130/0x130
[  378.503548]  dump_header+0x27b/0xf72
[  378.507283]  ? pagefault_out_of_memory+0x197/0x197
[  378.512230]  ? __lock_acquire+0x62f/0x4c20
[  378.516470]  ? percpu_ref_get_many+0x240/0x240
[  378.521059]  ? print_usage_bug+0xc0/0xc0
[  378.525135]  ? zap_class+0x640/0x640
[  378.528853]  ? print_usage_bug+0xc0/0xc0
[  378.532916]  ? print_usage_bug+0xc0/0xc0
[  378.536981]  ? zap_class+0x640/0x640
[  378.540710]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.546258]  ? find_held_lock+0x36/0x1c0
[  378.550335]  ? mark_held_locks+0xc7/0x130
[  378.554493]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  378.559598]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  378.564712]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  378.569303]  ? trace_hardirqs_on+0xbd/0x310
[  378.573626]  ? kasan_check_read+0x11/0x20
[  378.577780]  ? ___ratelimit+0x3b4/0x672
[  378.581763]  ? trace_hardirqs_off_caller+0x310/0x310
[  378.586876]  ? trace_hardirqs_on+0x310/0x310
[  378.591287]  ? lock_downgrade+0x900/0x900
[  378.595446]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  378.600552]  ? ___ratelimit+0x3b9/0x672
[  378.604533]  ? idr_get_free+0xf80/0xf80
[  378.608526]  ? find_held_lock+0x36/0x1c0
[  378.612603]  oom_kill_process.cold.27+0x10/0x903
[  378.617363]  ? zap_class+0x640/0x640
[  378.621079]  ? check_preemption_disabled+0x48/0x280
[  378.626099]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  378.631030]  ? kasan_check_read+0x11/0x20
[  378.635180]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  378.640467]  ? oom_evaluate_task+0x540/0x540
[  378.644884]  ? find_held_lock+0x36/0x1c0
[  378.648957]  ? out_of_memory+0x974/0x1430
[  378.653111]  ? lock_downgrade+0x900/0x900
[  378.657260]  ? check_preemption_disabled+0x48/0x280
[  378.662285]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  378.667225]  ? kasan_check_read+0x11/0x20
[  378.671377]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  378.676657]  ? rcu_softirq_qs+0x20/0x20
[  378.680642]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.686184]  ? oom_evaluate_task+0x302/0x540
[  378.690608]  out_of_memory+0xa84/0x1430
[  378.694598]  ? oom_killer_disable+0x3a0/0x3a0
[  378.699127]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  378.704071]  ? __ww_mutex_check_waiters+0x160/0x160
[  378.709111]  __alloc_pages_slowpath+0x2354/0x2e10
[  378.714016]  ? warn_alloc+0x120/0x120
[  378.717825]  ? mark_held_locks+0x130/0x130
[  378.722072]  ? find_get_entry+0xaae/0x1120
[  378.726344]  ? filemap_map_pages+0x1a20/0x1a20
[  378.730942]  ? zap_class+0x640/0x640
[  378.734666]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.740219]  ? check_preemption_disabled+0x48/0x280
[  378.745252]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.750797]  ? should_fail+0x22d/0xd01
[  378.754693]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  378.759818]  ? zap_class+0x640/0x640
[  378.763561]  ? __lock_is_held+0xb5/0x140
[  378.767633]  ? mark_held_locks+0x130/0x130
[  378.771875]  ? lock_release+0xa00/0xa00
[  378.775855]  ? perf_trace_sched_process_exec+0x860/0x860
[  378.781309]  ? xa_load+0x2ba/0x460
[  378.784853]  ? lock_downgrade+0x900/0x900
[  378.789011]  ? __might_sleep+0x95/0x190
[  378.793000]  __alloc_pages_nodemask+0xa80/0xde0
[  378.797684]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  378.802728]  ? __page_cache_alloc+0x191/0x5c0
[  378.807235]  ? xa_load+0x2e1/0x460
[  378.810779]  ? xa_clear_mark+0x40/0x40
[  378.814670]  ? zap_class+0x640/0x640
[  378.818397]  ? zap_class+0x640/0x640
[  378.822115]  ? zap_class+0x640/0x640
[  378.825831]  ? __do_page_cache_readahead+0x663/0x810
[  378.830945]  ? find_held_lock+0x36/0x1c0
[  378.835188]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  378.840742]  alloc_pages_current+0x173/0x350
[  378.845164]  __page_cache_alloc+0x38c/0x5c0
[  378.849485]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  378.854417]  ? kasan_check_read+0x11/0x20
[  378.858565]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  378.863866]  ? generic_perform_write+0x6a0/0x6a0
[  378.868626]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.874169]  ? check_preemption_disabled+0x48/0x280
[  378.879194]  filemap_fault+0x1595/0x25f0
[  378.883321]  ? __lock_page_or_retry+0xa00/0xa00
[  378.888007]  ? mark_held_locks+0x130/0x130
[  378.892256]  ? filemap_map_pages+0xd6b/0x1a20
[  378.896757]  ? lock_downgrade+0x900/0x900
[  378.900908]  ? check_preemption_disabled+0x48/0x280
[  378.905933]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  378.910867]  ? kasan_check_read+0x11/0x20
[  378.915020]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  378.920297]  ? rcu_softirq_qs+0x20/0x20
[  378.924285]  ? filemap_map_pages+0xd92/0x1a20
[  378.928786]  ? __lock_acquire+0x62f/0x4c20
[  378.933031]  ? find_get_entries_tag+0x1400/0x1400
[  378.937902]  ? lock_acquire+0x1ed/0x520
[  378.941895]  ? ext4_filemap_fault+0x7a/0xad
[  378.946230]  ? lock_release+0xa00/0xa00
[  378.950206]  ? perf_trace_sched_process_exec+0x860/0x860
[  378.955665]  ? print_usage_bug+0xc0/0xc0
[  378.959736]  ? print_usage_bug+0xc0/0xc0
[  378.963811]  ? down_read+0x8d/0x120
[  378.967439]  ? ext4_filemap_fault+0x7a/0xad
[  378.971766]  ? __down_interruptible+0x700/0x700
[  378.976452]  ext4_filemap_fault+0x82/0xad
[  378.980609]  __do_fault+0x100/0x6b0
[  378.984250]  ? pmd_devmap_trans_unstable+0x220/0x220
[  378.989363]  ? mark_held_locks+0x130/0x130
[  378.993606]  ? mark_held_locks+0x130/0x130
[  378.997843]  ? __might_fault+0x12b/0x1e0
[  379.001906]  ? lock_downgrade+0x900/0x900
[  379.006060]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.011604]  __handle_mm_fault+0x3ea6/0x5be0
[  379.016025]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  379.020876]  ? kasan_check_read+0x11/0x20
[  379.025027]  ? _copy_to_user+0xc8/0x110
[  379.029007]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.034555]  ? zap_class+0x640/0x640
[  379.038267]  ? zap_class+0x640/0x640
[  379.041990]  ? find_held_lock+0x36/0x1c0
[  379.046061]  ? handle_mm_fault+0x42a/0xc70
[  379.050298]  ? lock_downgrade+0x900/0x900
[  379.054444]  ? check_preemption_disabled+0x48/0x280
[  379.059467]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  379.064399]  ? kasan_check_read+0x11/0x20
[  379.068548]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  379.073831]  ? rcu_softirq_qs+0x20/0x20
[  379.077808]  ? trace_hardirqs_off_caller+0x310/0x310
[  379.082915]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.088453]  ? check_preemption_disabled+0x48/0x280
[  379.093482]  handle_mm_fault+0x54f/0xc70
[  379.097549]  ? __handle_mm_fault+0x5be0/0x5be0
[  379.102137]  ? find_vma+0x34/0x190
[  379.105685]  __do_page_fault+0x5e8/0xe60
[  379.109755]  ? trace_hardirqs_off+0xb8/0x310
[  379.114162]  ? retint_kernel+0x2d/0x2d
[  379.118060]  do_page_fault+0xf2/0x7e0
[  379.121865]  ? vmalloc_sync_all+0x30/0x30
[  379.126032]  ? error_entry+0x70/0xd0
[  379.129753]  ? trace_hardirqs_off_caller+0xbb/0x310
[  379.134768]  ? trace_hardirqs_on_caller+0xc0/0x310
[  379.139700]  ? syscall_return_slowpath+0x5e0/0x5e0
[  379.144639]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  379.149485]  ? trace_hardirqs_on_caller+0x310/0x310
[  379.154503]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  379.159958]  ? prepare_exit_to_usermode+0x291/0x3b0
[  379.164979]  ? page_fault+0x8/0x30
[  379.168542]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  379.173391]  ? page_fault+0x8/0x30
[  379.176938]  page_fault+0x1e/0x30
[  379.180393] RIP: 0033:0x45d911
[  379.183595] Code: Bad RIP value.
[  379.186960] RSP: 002b:000000c420035f18 EFLAGS: 00010246
[  379.192320] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 000000000045d911
[  379.199590] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  379.206865] RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
[  379.214134] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  379.221402] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  379.228721] CPU: 0 PID: 11721 Comm: syz-executor5 Not tainted 4.19.0+ #74
[  379.228727] warn_alloc_show_mem: 1 callbacks suppressed
[  379.228734] Mem-Info:
[  379.235665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  379.241034] active_anon:50643 inactive_anon:847 isolated_anon:0
[  379.241034]  active_file:14 inactive_file:13 isolated_file:0
[  379.241034]  unevictable:0 dirty:0 writeback:0 unstable:0
[  379.241034]  slab_reclaimable:9230 slab_unreclaimable:1469886
[  379.241034]  mapped:49154 shmem:854 pagetables:629 bounce:0
[  379.241034]  free:13794 free_pcp:158 free_cma:0
[  379.243405] Call Trace:
[  379.252823] Node 0 active_anon:202572kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3416kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  379.285666]  <IRQ>
[  379.288244] 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
[  379.315913]  dump_stack+0x244/0x39d
[  379.318045] lowmem_reserve[]: 0 2818 6321 6321
[  379.344323]  ? dump_stack_print_info.cold.1+0x20/0x20
[  379.347924] Node 0 DMA32 free:25280kB min:30052kB low:37564kB high:45076kB active_anon:236kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  379.352509]  warn_alloc.cold.116+0xb7/0x1bd
[  379.357668] lowmem_reserve[]: 0 0 3503 3503
[  379.385175]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  379.389468] Node 0 Normal free:13988kB min:37364kB low:46704kB high:56044kB active_anon:202336kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:412kB local_pcp:252kB free_cma:0kB
[  379.393785]  ? lock_downgrade+0x900/0x900
[  379.398604] lowmem_reserve[]: 0 0 0 0
[  379.427584]  ? trace_hardirqs_off+0xb8/0x310
[  379.431722] 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
[  379.435522]  ? trace_hardirqs_off+0xb8/0x310
[  379.439902] Node 0 DMA32: 2*4kB (H) 3*8kB (UMH) 2*16kB (M) 2*32kB (MH) 5*64kB (MH) 4*128kB (M) 5*256kB (MH) 5*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 25280kB
[  379.453428]  __alloc_pages_slowpath+0x26e8/0x2e10
[  379.457810] Node 0 Normal: 737*4kB (UMEH) 442*8kB (UME) 213*16kB (UME) 70*32kB (UME) 7*64kB (UMH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13988kB
[  379.473261]  ? warn_alloc+0x120/0x120
[  379.478067] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  379.493403]  ? print_usage_bug+0xc0/0xc0
[  379.497182] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  379.506022]  ? warn_alloc+0x120/0x120
[  379.510059] 881 total pagecache pages
[  379.518646]  ? warn_alloc+0x120/0x120
[  379.522429] 0 pages in swap cache
[  379.526218]  ? print_usage_bug+0xc0/0xc0
[  379.530003] Swap cache stats: add 0, delete 0, find 0/0
[  379.533446]  ? kvm_clock_read+0x18/0x30
[  379.537480] Free swap  = 0kB
[  379.542840]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  379.546793] Total swap = 0kB
[  379.549812]  ? print_usage_bug+0xc0/0xc0
[  379.554804] 1965979 pages RAM
[  379.557825]  ? __lock_acquire+0x62f/0x4c20
[  379.561861] 0 pages HighMem/MovableOnly
[  379.564962]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.569181] 342858 pages reserved
[  379.569189] 0 pages cma reserved
[  379.573172]  ? should_fail+0x22d/0xd01
[  379.578751] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  379.582128]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  379.582146]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  379.582163]  ? __lock_acquire+0x62f/0x4c20
[  379.585572] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  379.589393]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  379.595883] syz-fuzzer cpuset=/ mems_allowed=0
[  379.601159]  ? __lock_acquire+0x62f/0x4c20
[  379.634558]  ? should_fail+0x22d/0xd01
[  379.638445]  ? rcu_irq_exit+0x1a2/0x390
[  379.642436]  ? mark_held_locks+0x130/0x130
[  379.646678]  ? mark_held_locks+0x130/0x130
[  379.650936]  ? mark_held_locks+0xc7/0x130
[  379.655091]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  379.660109]  ? zap_class+0x640/0x640
[  379.663823]  ? print_usage_bug+0xc0/0xc0
[  379.667891]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.673435]  ? check_preemption_disabled+0x48/0x280
[  379.678485]  ? __lock_is_held+0xb5/0x140
[  379.682570]  __alloc_pages_nodemask+0xa80/0xde0
[  379.687243]  ? zap_class+0x640/0x640
[  379.690965]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  379.695999]  ? find_held_lock+0x36/0x1c0
[  379.700073]  ? ____cache_alloc_node+0x1c7/0x1e0
[  379.704751]  ? lock_downgrade+0x900/0x900
[  379.708914]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.714478]  cache_grow_begin+0xa5/0x8c0
[  379.718545]  ? do_raw_spin_unlock+0xa7/0x330
[  379.722966]  fallback_alloc+0x204/0x2e0
[  379.726949]  ____cache_alloc_node+0x1c7/0x1e0
[  379.731451]  kmem_cache_alloc_node+0xe3/0x730
[  379.735947]  ? ipv6_get_ifaddr+0x42e/0x620
[  379.740193]  __alloc_skb+0x119/0x770
[  379.743909]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  379.749192]  ? netdev_alloc_frag+0x1f0/0x1f0
[  379.753601]  ? lock_downgrade+0x900/0x900
[  379.757761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.763301]  ? refcount_sub_and_test_checked+0x203/0x310
[  379.768757]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  379.774678]  ? addrconf_rs_timer+0x690/0x690
[  379.779116]  ndisc_alloc_skb+0x144/0x340
[  379.783185]  ndisc_send_rs+0x331/0x6e0
[  379.787080]  addrconf_rs_timer+0x314/0x690
[  379.791318]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  379.795584]  call_timer_fn+0x272/0x920
[  379.799475]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  379.803734]  ? process_timeout+0x40/0x40
[  379.807809]  ? __run_timers+0x7da/0xc70
[  379.811788]  ? _raw_spin_unlock_irq+0x27/0x80
[  379.816286]  ? _raw_spin_unlock_irq+0x27/0x80
[  379.820783]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  379.825021]  ? lockdep_hardirqs_on+0x296/0x5b0
[  379.829606]  ? trace_hardirqs_on+0xbd/0x310
[  379.833928]  ? kasan_check_read+0x11/0x20
[  379.838076]  ? __run_timers+0x7da/0xc70
[  379.842052]  ? trace_hardirqs_off_caller+0x310/0x310
[  379.847161]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  379.851411]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  379.855649]  __run_timers+0x7e5/0xc70
[  379.859463]  ? timer_fixup_init+0x70/0x70
[  379.863619]  ? kasan_check_read+0x11/0x20
[  379.867772]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  379.873052]  ? rcu_softirq_qs+0x20/0x20
[  379.877031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.882569]  ? check_preemption_disabled+0x48/0x280
[  379.887596]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  379.892358]  ? retint_kernel+0x2d/0x2d
[  379.896247]  ? trace_hardirqs_on_caller+0xc0/0x310
[  379.901179]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  379.906164]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  379.911629]  ? zap_class+0x640/0x640
[  379.915349]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.920888]  ? check_preemption_disabled+0x48/0x280
[  379.925915]  ? __lock_is_held+0xb5/0x140
[  379.929982]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.935521]  ? check_preemption_disabled+0x48/0x280
[  379.940547]  run_timer_softirq+0x52/0xb0
[  379.944608]  ? rcu_read_lock_sched_held+0x14f/0x180
[  379.949623]  __do_softirq+0x308/0xb7e
[  379.953461]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  379.957959]  ? lock_downgrade+0x900/0x900
[  379.962113]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  379.967228]  ? pvclock_read_flags+0x160/0x160
[  379.971746]  ? lapic_next_event+0x5a/0x90
[  379.975904]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.981455]  ? kvm_clock_read+0x18/0x30
[  379.985429]  ? kvm_sched_clock_read+0x9/0x20
[  379.989842]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.995383]  ? check_preemption_disabled+0x48/0x280
[  380.000413]  irq_exit+0x17f/0x1c0
[  380.003873]  smp_apic_timer_interrupt+0x1cb/0x760
[  380.008732]  ? smp_reschedule_interrupt+0x109/0x650
[  380.013758]  ? smp_call_function_single_interrupt+0x650/0x650
[  380.019647]  ? interrupt_entry+0xb5/0xc0
[  380.023725]  ? trace_hardirqs_off_caller+0xbb/0x310
[  380.028748]  ? trace_hardirqs_off_caller+0xbb/0x310
[  380.033771]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  380.038623]  ? trace_hardirqs_on_caller+0x310/0x310
[  380.043638]  ? trace_hardirqs_on_caller+0x310/0x310
[  380.048655]  ? task_prio+0x50/0x50
[  380.052198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.057748]  ? check_preemption_disabled+0x48/0x280
[  380.062771]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  380.067625]  apic_timer_interrupt+0xf/0x20
[  380.071852]  </IRQ>
[  380.074192] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  380.079125] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 14
[  380.098037] RSP: 0000:ffff8801bf14f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  380.105747] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  380.113015] RDX: 0000000000000000 RSI: ffff8801b68a4c40 RDI: 0000000000000286
[  380.120281] RBP: ffff8801bf14f7a0 R08: ffff8801b68a43c0 R09: 0000000000000000
[  380.127547] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  380.134812] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  380.142130]  skb_clone+0x1bb/0x500
[  380.145677]  ? finish_task_switch+0x2f4/0x910
[  380.150184]  ? skb_split+0x11e0/0x11e0
[  380.154079]  ? preempt_notifier_register+0x200/0x200
[  380.159184]  ? __switch_to_asm+0x34/0x70
[  380.163251]  ? __switch_to_asm+0x34/0x70
[  380.167310]  ? __switch_to_asm+0x40/0x70
[  380.171373]  ? __switch_to_asm+0x34/0x70
[  380.175432]  ? __switch_to_asm+0x40/0x70
[  380.179495]  ? __switch_to_asm+0x34/0x70
[  380.183557]  ? __switch_to_asm+0x40/0x70
[  380.187618]  ? __switch_to_asm+0x34/0x70
[  380.191684]  ? __switch_to_asm+0x34/0x70
[  380.195760]  ? __switch_to_asm+0x40/0x70
[  380.199821]  ? __switch_to_asm+0x34/0x70
[  380.203892]  bpf_clone_redirect+0xb9/0x490
[  380.208133]  ? __schedule+0x8d7/0x21d0
[  380.212050]  bpf_prog_bebbfe2050753572+0x6c2/0x1000
[  380.217074]  ? __sched_text_start+0x8/0x8
[  380.221226]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  380.225989]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  380.230591]  ? retint_kernel+0x2d/0x2d
[  380.234484]  ? find_held_lock+0x36/0x1c0
[  380.238555]  ? lock_acquire+0x1ed/0x520
[  380.242528]  ? bpf_test_run+0x3cb/0x780
[  380.246505]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.252053]  ? check_preemption_disabled+0x48/0x280
[  380.257076]  ? kasan_check_read+0x11/0x20
[  380.261223]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  380.266500]  ? rcu_softirq_qs+0x20/0x20
[  380.270477]  ? preempt_schedule+0x4d/0x60
[  380.274673]  ? ___preempt_schedule+0x16/0x18
[  380.279101]  ? bpf_test_run+0x25d/0x780
[  380.283090]  ? netlink_diag_dump+0x2a0/0x2a0
[  380.287502]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.293043]  ? bpf_test_init.isra.10+0x70/0x100
[  380.297737]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  380.302511]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  380.307357]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  380.312916]  ? fput+0x130/0x1a0
[  380.316203]  ? __bpf_prog_get+0x9b/0x290
[  380.320266]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  380.325108]  ? bpf_prog_test_run+0x130/0x1a0
[  380.329523]  ? __x64_sys_bpf+0x3d8/0x520
[  380.333589]  ? bpf_prog_get+0x20/0x20
[  380.337413]  ? do_syscall_64+0x1b9/0x820
[  380.341476]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  380.346844]  ? syscall_return_slowpath+0x5e0/0x5e0
[  380.351778]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  380.356624]  ? trace_hardirqs_on_caller+0x310/0x310
[  380.361645]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  380.366663]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.372202]  ? prepare_exit_to_usermode+0x291/0x3b0
[  380.377229]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  380.382084]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  380.387471] CPU: 1 PID: 5666 Comm: syz-fuzzer Not tainted 4.19.0+ #74
[  380.387571] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  380.394054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  380.394059] Call Trace:
[  380.394066]  <IRQ>
[  380.394083]  dump_stack+0x244/0x39d
[  380.394100]  ? dump_stack_print_info.cold.1+0x20/0x20
[  380.394127]  warn_alloc.cold.116+0xb7/0x1bd
[  380.400655] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  380.409947]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  380.412508] syz-executor5 cpuset=syz5 mems_allowed=0
[  380.414684]  ? lock_downgrade+0x900/0x900
[  380.452325]  ? trace_hardirqs_off+0xb8/0x310
[  380.456752]  ? trace_hardirqs_off+0xb8/0x310
[  380.461195]  __alloc_pages_slowpath+0x26e8/0x2e10
[  380.466082]  ? warn_alloc+0x120/0x120
[  380.469890]  ? print_usage_bug+0xc0/0xc0
[  380.473955]  ? warn_alloc+0x120/0x120
[  380.477765]  ? warn_alloc+0x120/0x120
[  380.481570]  ? print_usage_bug+0xc0/0xc0
[  380.485639]  ? print_usage_bug+0xc0/0xc0
[  380.489730]  ? __lock_acquire+0x62f/0x4c20
[  380.493981]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.499521]  ? should_fail+0x22d/0xd01
[  380.503421]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  380.508535]  ? __lock_acquire+0x62f/0x4c20
[  380.512778]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  380.517886]  ? __lock_acquire+0x62f/0x4c20
[  380.522119]  ? should_fail+0x22d/0xd01
[  380.526007]  ? find_held_lock+0x36/0x1c0
[  380.530077]  ? mark_held_locks+0x130/0x130
[  380.534318]  ? mark_held_locks+0x130/0x130
[  380.538549]  ? zap_class+0x640/0x640
[  380.542263]  ? zap_class+0x640/0x640
[  380.545980]  ? print_usage_bug+0xc0/0xc0
[  380.550043]  ? do_raw_spin_unlock+0xa7/0x330
[  380.554454]  ? zap_class+0x640/0x640
[  380.558168]  ? print_usage_bug+0xc0/0xc0
[  380.562239]  ? wq_watchdog_touch+0x9c/0xfe
[  380.566482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.572025]  ? check_preemption_disabled+0x48/0x280
[  380.577054]  ? __lock_is_held+0xb5/0x140
[  380.581126]  __alloc_pages_nodemask+0xa80/0xde0
[  380.585803]  ? zap_class+0x640/0x640
[  380.589536]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  380.594568]  ? find_held_lock+0x36/0x1c0
[  380.598643]  ? ____cache_alloc_node+0x1c7/0x1e0
[  380.603316]  ? lock_downgrade+0x900/0x900
[  380.607474]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.613022]  cache_grow_begin+0xa5/0x8c0
[  380.617087]  ? do_raw_spin_unlock+0xa7/0x330
[  380.621504]  fallback_alloc+0x204/0x2e0
[  380.625487]  ____cache_alloc_node+0x1c7/0x1e0
[  380.630021]  kmem_cache_alloc_node+0xe3/0x730
[  380.634516]  ? ipv6_get_ifaddr+0x42e/0x620
[  380.638765]  __alloc_skb+0x119/0x770
[  380.642480]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  380.647783]  ? netdev_alloc_frag+0x1f0/0x1f0
[  380.652196]  ? lock_downgrade+0x900/0x900
[  380.656359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.661901]  ? refcount_sub_and_test_checked+0x203/0x310
[  380.667356]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  380.672807]  ? addrconf_rs_timer+0x690/0x690
[  380.677235]  ndisc_alloc_skb+0x144/0x340
[  380.681320]  ndisc_send_rs+0x331/0x6e0
[  380.685214]  addrconf_rs_timer+0x314/0x690
[  380.689463]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.693717]  call_timer_fn+0x272/0x920
[  380.697625]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.701863]  ? process_timeout+0x40/0x40
[  380.705936]  ? mark_held_locks+0xc7/0x130
[  380.710088]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.714592]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.719085]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.723322]  ? lockdep_hardirqs_on+0x296/0x5b0
[  380.727911]  ? trace_hardirqs_on+0xbd/0x310
[  380.732238]  ? kasan_check_read+0x11/0x20
[  380.736386]  ? __run_timers+0x7da/0xc70
[  380.740365]  ? trace_hardirqs_off_caller+0x310/0x310
[  380.745475]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.749725]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.753959]  __run_timers+0x7e5/0xc70
[  380.757772]  ? timer_fixup_init+0x70/0x70
[  380.761923]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  380.766942]  ? zap_class+0x640/0x640
[  380.770667]  ? print_usage_bug+0xc0/0xc0
[  380.774749]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  380.779948]  ? find_held_lock+0x36/0x1c0
[  380.784021]  ? zap_class+0x640/0x640
[  380.787753]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.793293]  ? check_preemption_disabled+0x48/0x280
[  380.798322]  ? __lock_is_held+0xb5/0x140
[  380.802385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.807929]  ? check_preemption_disabled+0x48/0x280
[  380.812952]  run_timer_softirq+0x52/0xb0
[  380.817015]  ? rcu_read_lock_sched_held+0x14f/0x180
[  380.822036]  __do_softirq+0x308/0xb7e
[  380.825844]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  380.830341]  ? lock_downgrade+0x900/0x900
[  380.834497]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  380.839611]  ? pvclock_read_flags+0x160/0x160
[  380.844110]  ? lapic_next_event+0x5a/0x90
[  380.848280]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.853826]  ? kvm_clock_read+0x18/0x30
[  380.857800]  ? kvm_sched_clock_read+0x9/0x20
[  380.862211]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.867757]  ? check_preemption_disabled+0x48/0x280
[  380.872788]  irq_exit+0x17f/0x1c0
[  380.876250]  smp_apic_timer_interrupt+0x1cb/0x760
[  380.881096]  ? smp_reschedule_interrupt+0x109/0x650
[  380.886115]  ? smp_call_function_single_interrupt+0x650/0x650
[  380.891999]  ? interrupt_entry+0xb5/0xc0
[  380.896068]  ? trace_hardirqs_off_caller+0xbb/0x310
[  380.901085]  ? trace_hardirqs_off_caller+0xbb/0x310
[  380.906104]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  380.910951]  ? trace_hardirqs_on_caller+0x310/0x310
[  380.915969]  ? trace_hardirqs_on_caller+0x310/0x310
[  380.921003]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  380.925859]  apic_timer_interrupt+0xf/0x20
[  380.930086]  </IRQ>
[  380.932325] RIP: 0010:dump_stack+0x358/0x39d
[  380.936743] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 a1 9c fd f9 48 83 3d 29 00 8d 01 00 0f 84 63 fe ff ff e8 ee 69 ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db 69 ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  380.955644] RSP: 0000:ffff8801b9cce1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  380.963355] RAX: ffff8801d71b2040 RBX: 1ffffffff12a3f46 RCX: 1ffff1003ae36526
[  380.970622] RDX: 0000000000000000 RSI: ffffffff87c4fa12 RDI: 0000000000000293
[  380.977892] RBP: ffff8801b9cce290 R08: ffff8801d71b2930 R09: 0000000000000006
[  380.985161] R10: 0000000000000000 R11: ffff8801d71b2040 R12: 1ffff10037399c45
[  380.992426] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  380.999724]  ? dump_stack+0x34f/0x39d
[  381.003542]  ? dump_stack_print_info.cold.1+0x20/0x20
[  381.008746]  ? mark_held_locks+0x130/0x130
[  381.012989]  ? mark_held_locks+0x130/0x130
[  381.017238]  dump_header+0x27b/0xf72
[  381.020968]  ? pagefault_out_of_memory+0x197/0x197
[  381.025913]  ? __lock_acquire+0x62f/0x4c20
[  381.030150]  ? percpu_ref_get_many+0x240/0x240
[  381.034758]  ? print_usage_bug+0xc0/0xc0
[  381.038827]  ? zap_class+0x640/0x640
[  381.042549]  ? print_usage_bug+0xc0/0xc0
[  381.046609]  ? print_usage_bug+0xc0/0xc0
[  381.050677]  ? zap_class+0x640/0x640
[  381.054403]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.059947]  ? find_held_lock+0x36/0x1c0
[  381.064022]  ? mark_held_locks+0xc7/0x130
[  381.068176]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  381.073279]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  381.078387]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  381.082978]  ? trace_hardirqs_on+0xbd/0x310
[  381.087306]  ? kasan_check_read+0x11/0x20
[  381.091456]  ? ___ratelimit+0x3b4/0x672
[  381.095436]  ? trace_hardirqs_off_caller+0x310/0x310
[  381.100544]  ? trace_hardirqs_on+0x310/0x310
[  381.104957]  ? lock_downgrade+0x900/0x900
[  381.109116]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  381.114227]  ? ___ratelimit+0x3b9/0x672
[  381.118209]  ? idr_get_free+0xf80/0xf80
[  381.122191]  ? find_held_lock+0x36/0x1c0
[  381.126269]  oom_kill_process.cold.27+0x10/0x903
[  381.131032]  ? zap_class+0x640/0x640
[  381.134752]  ? check_preemption_disabled+0x48/0x280
[  381.139777]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  381.144716]  ? kasan_check_read+0x11/0x20
[  381.148866]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.154145]  ? oom_evaluate_task+0x540/0x540
[  381.158561]  ? find_held_lock+0x36/0x1c0
[  381.162631]  ? out_of_memory+0x974/0x1430
[  381.166786]  ? lock_downgrade+0x900/0x900
[  381.170936]  ? check_preemption_disabled+0x48/0x280
[  381.175955]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  381.180886]  ? kasan_check_read+0x11/0x20
[  381.185032]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.190311]  ? rcu_softirq_qs+0x20/0x20
[  381.194291]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.199829]  ? oom_evaluate_task+0x302/0x540
[  381.204249]  out_of_memory+0xa84/0x1430
[  381.208257]  ? oom_killer_disable+0x3a0/0x3a0
[  381.212760]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  381.217692]  ? __ww_mutex_check_waiters+0x160/0x160
[  381.222738]  __alloc_pages_slowpath+0x2354/0x2e10
[  381.227613]  ? warn_alloc+0x120/0x120
[  381.231420]  ? mark_held_locks+0x130/0x130
[  381.235665]  ? find_get_entry+0xaae/0x1120
[  381.239916]  ? filemap_map_pages+0x1a20/0x1a20
[  381.244504]  ? zap_class+0x640/0x640
[  381.248229]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.253771]  ? check_preemption_disabled+0x48/0x280
[  381.258795]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.264339]  ? should_fail+0x22d/0xd01
[  381.268243]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  381.273351]  ? zap_class+0x640/0x640
[  381.277091]  ? __lock_is_held+0xb5/0x140
[  381.281168]  ? mark_held_locks+0x130/0x130
[  381.285408]  ? lock_release+0xa00/0xa00
[  381.289386]  ? perf_trace_sched_process_exec+0x860/0x860
[  381.294839]  ? xa_load+0x2ba/0x460
[  381.298380]  ? lock_downgrade+0x900/0x900
[  381.302536]  ? __might_sleep+0x95/0x190
[  381.306518]  __alloc_pages_nodemask+0xa80/0xde0
[  381.311196]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  381.316223]  ? __page_cache_alloc+0x191/0x5c0
[  381.320728]  ? xa_load+0x2e1/0x460
[  381.324281]  ? xa_clear_mark+0x40/0x40
[  381.328176]  ? zap_class+0x640/0x640
[  381.331900]  ? zap_class+0x640/0x640
[  381.335626]  ? zap_class+0x640/0x640
[  381.339341]  ? __do_page_cache_readahead+0x663/0x810
[  381.344450]  ? find_held_lock+0x36/0x1c0
[  381.348519]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  381.354061]  alloc_pages_current+0x173/0x350
[  381.358484]  __page_cache_alloc+0x38c/0x5c0
[  381.362808]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  381.367742]  ? kasan_check_read+0x11/0x20
[  381.371896]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.377443]  ? generic_perform_write+0x6a0/0x6a0
[  381.382203]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.387749]  ? check_preemption_disabled+0x48/0x280
[  381.392777]  filemap_fault+0x1595/0x25f0
[  381.396854]  ? __lock_page_or_retry+0xa00/0xa00
[  381.401531]  ? mark_held_locks+0x130/0x130
[  381.406124]  ? filemap_map_pages+0xd6b/0x1a20
[  381.410623]  ? lock_downgrade+0x900/0x900
[  381.414773]  ? check_preemption_disabled+0x48/0x280
[  381.419800]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  381.424736]  ? kasan_check_read+0x11/0x20
[  381.428890]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.434168]  ? rcu_softirq_qs+0x20/0x20
[  381.438162]  ? filemap_map_pages+0xd92/0x1a20
[  381.442665]  ? __lock_acquire+0x62f/0x4c20
[  381.446911]  ? find_get_entries_tag+0x1400/0x1400
[  381.451778]  ? lock_acquire+0x1ed/0x520
[  381.455754]  ? ext4_filemap_fault+0x7a/0xad
[  381.460087]  ? lock_release+0xa00/0xa00
[  381.464060]  ? perf_trace_sched_process_exec+0x860/0x860
[  381.469513]  ? print_usage_bug+0xc0/0xc0
[  381.473577]  ? print_usage_bug+0xc0/0xc0
[  381.477652]  ? down_read+0x8d/0x120
[  381.481278]  ? ext4_filemap_fault+0x7a/0xad
[  381.485606]  ? __down_interruptible+0x700/0x700
[  381.490293]  ext4_filemap_fault+0x82/0xad
[  381.494448]  __do_fault+0x100/0x6b0
[  381.498085]  ? pmd_devmap_trans_unstable+0x220/0x220
[  381.503198]  ? mark_held_locks+0x130/0x130
[  381.507442]  ? mark_held_locks+0x130/0x130
[  381.511678]  ? __might_fault+0x12b/0x1e0
[  381.515749]  ? lock_downgrade+0x900/0x900
[  381.520268]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.525815]  __handle_mm_fault+0x3ea6/0x5be0
[  381.530244]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  381.535097]  ? kasan_check_read+0x11/0x20
[  381.539248]  ? _copy_to_user+0xc8/0x110
[  381.543234]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.548783]  ? zap_class+0x640/0x640
[  381.552497]  ? zap_class+0x640/0x640
[  381.556223]  ? find_held_lock+0x36/0x1c0
[  381.560295]  ? handle_mm_fault+0x42a/0xc70
[  381.564537]  ? lock_downgrade+0x900/0x900
[  381.568685]  ? check_preemption_disabled+0x48/0x280
[  381.573720]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  381.578655]  ? kasan_check_read+0x11/0x20
[  381.582808]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.588089]  ? rcu_softirq_qs+0x20/0x20
[  381.592067]  ? trace_hardirqs_off_caller+0x310/0x310
[  381.597174]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.602721]  ? check_preemption_disabled+0x48/0x280
[  381.607755]  handle_mm_fault+0x54f/0xc70
[  381.611822]  ? __handle_mm_fault+0x5be0/0x5be0
[  381.616407]  ? find_vma+0x34/0x190
[  381.619960]  __do_page_fault+0x5e8/0xe60
[  381.624025]  ? trace_hardirqs_off+0xb8/0x310
[  381.628436]  ? retint_kernel+0x2d/0x2d
[  381.632338]  do_page_fault+0xf2/0x7e0
[  381.636142]  ? vmalloc_sync_all+0x30/0x30
[  381.640311]  ? error_entry+0x70/0xd0
[  381.644028]  ? trace_hardirqs_off_caller+0xbb/0x310
[  381.649045]  ? trace_hardirqs_on_caller+0xc0/0x310
[  381.653982]  ? syscall_return_slowpath+0x5e0/0x5e0
[  381.658912]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  381.663764]  ? trace_hardirqs_on_caller+0x310/0x310
[  381.668781]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  381.674241]  ? prepare_exit_to_usermode+0x291/0x3b0
[  381.679262]  ? page_fault+0x8/0x30
[  381.682808]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  381.687661]  ? page_fault+0x8/0x30
[  381.691204]  page_fault+0x1e/0x30
[  381.694665] RIP: 0033:0x45d911
[  381.697869] Code: Bad RIP value.
[  381.701232] RSP: 002b:000000c420035f18 EFLAGS: 00010246
[  381.706595] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 000000000045d911
[  381.713872] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  381.721143] RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
[  381.728413] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  381.735682] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  381.742982] warn_alloc_show_mem: 1 callbacks suppressed
[  381.742994] CPU: 0 PID: 11721 Comm: syz-executor5 Not tainted 4.19.0+ #74
[  381.742996] Mem-Info:
[  381.743027] active_anon:50643 inactive_anon:847 isolated_anon:0
[  381.743027]  active_file:14 inactive_file:13 isolated_file:0
[  381.743027]  unevictable:0 dirty:0 writeback:0 unstable:0
[  381.743027]  slab_reclaimable:9230 slab_unreclaimable:1469886
[  381.743027]  mapped:49154 shmem:854 pagetables:629 bounce:0
[  381.743027]  free:13794 free_pcp:158 free_cma:0
[  381.748369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  381.755304] Node 0 active_anon:202572kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3416kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  381.757703] Call Trace:
[  381.790833] 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
[  381.800183]  <IRQ>
[  381.827836] lowmem_reserve[]: 0 2818 6321 6321
[  381.830431]  dump_stack+0x244/0x39d
[  381.857007] Node 0 DMA32 free:25280kB min:30052kB low:37564kB high:45076kB active_anon:236kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  381.859590]  ? dump_stack_print_info.cold.1+0x20/0x20
[  381.864142] lowmem_reserve[]: 0 0 3503 3503
[  381.867773]  warn_alloc.cold.116+0xb7/0x1bd
[  381.895248] Node 0 Normal free:13988kB min:37364kB low:46704kB high:56044kB active_anon:202336kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:412kB local_pcp:252kB free_cma:0kB
[  381.900441]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  381.905235] lowmem_reserve[]: 0 0 0 0
[  381.909571]  ? lock_downgrade+0x900/0x900
[  381.938521] 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
[  381.943361]  ? trace_hardirqs_off+0xb8/0x310
[  381.947133] Node 0 DMA32: 2*4kB (H) 3*8kB (UMH) 2*16kB (M) 2*32kB (MH) 5*64kB (MH) 4*128kB (M) 5*256kB (MH) 5*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 25280kB
[  381.951280]  ? trace_hardirqs_off+0xb8/0x310
[  381.964775] Node 0 Normal: 737*4kB (UMEH) 442*8kB (UME) 213*16kB (UME) 70*32kB (UME) 7*64kB (UMH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13988kB
[  381.969187]  __alloc_pages_slowpath+0x26e8/0x2e10
[  381.984599] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  381.989024]  ? warn_alloc+0x120/0x120
[  382.004330] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  382.009161]  ? print_usage_bug+0xc0/0xc0
[  382.017973] 881 total pagecache pages
[  382.021772]  ? warn_alloc+0x120/0x120
[  382.030328] 0 pages in swap cache
[  382.034379]  ? warn_alloc+0x120/0x120
[  382.038159] Swap cache stats: add 0, delete 0, find 0/0
[  382.041952]  ? print_usage_bug+0xc0/0xc0
[  382.045385] Free swap  = 0kB
[  382.049179]  ? print_usage_bug+0xc0/0xc0
[  382.054516] Total swap = 0kB
[  382.058593]  ? __lock_acquire+0x62f/0x4c20
[  382.061589] 1965979 pages RAM
[  382.065695]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.068688] 0 pages HighMem/MovableOnly
[  382.068697] 342858 pages reserved
[  382.072938]  ? should_fail+0x22d/0xd01
[  382.076024] 0 pages cma reserved
[  382.081555]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  382.085569] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  382.088963]  ? __lock_acquire+0x62f/0x4c20
[  382.093002] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  382.096277]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  382.101356] syz-fuzzer cpuset=/ mems_allowed=0
[  382.107848]  ? __lock_acquire+0x62f/0x4c20
[  382.136146]  ? should_fail+0x22d/0xd01
[  382.140036]  ? find_held_lock+0x36/0x1c0
[  382.144109]  ? mark_held_locks+0x130/0x130
[  382.148354]  ? mark_held_locks+0x130/0x130
[  382.152588]  ? zap_class+0x640/0x640
[  382.156302]  ? zap_class+0x640/0x640
[  382.160018]  ? print_usage_bug+0xc0/0xc0
[  382.164081]  ? do_raw_spin_unlock+0xa7/0x330
[  382.168490]  ? zap_class+0x640/0x640
[  382.172209]  ? print_usage_bug+0xc0/0xc0
[  382.176272]  ? wq_watchdog_touch+0x9c/0xfe
[  382.180513]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.186056]  ? check_preemption_disabled+0x48/0x280
[  382.191087]  ? __lock_is_held+0xb5/0x140
[  382.195169]  __alloc_pages_nodemask+0xa80/0xde0
[  382.199845]  ? zap_class+0x640/0x640
[  382.203565]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  382.208596]  ? find_held_lock+0x36/0x1c0
[  382.212670]  ? ____cache_alloc_node+0x1c7/0x1e0
[  382.217344]  ? lock_downgrade+0x900/0x900
[  382.221501]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.227052]  cache_grow_begin+0xa5/0x8c0
[  382.231117]  ? do_raw_spin_unlock+0xa7/0x330
[  382.235536]  fallback_alloc+0x204/0x2e0
[  382.239519]  ____cache_alloc_node+0x1c7/0x1e0
[  382.244022]  kmem_cache_alloc_node+0xe3/0x730
[  382.248518]  ? ipv6_get_ifaddr+0x42e/0x620
[  382.252768]  __alloc_skb+0x119/0x770
[  382.256481]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  382.261765]  ? netdev_alloc_frag+0x1f0/0x1f0
[  382.266175]  ? lock_downgrade+0x900/0x900
[  382.270331]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.275975]  ? refcount_sub_and_test_checked+0x203/0x310
[  382.281430]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  382.286883]  ? addrconf_rs_timer+0x690/0x690
[  382.291302]  ndisc_alloc_skb+0x144/0x340
[  382.295371]  ndisc_send_rs+0x331/0x6e0
[  382.299264]  addrconf_rs_timer+0x314/0x690
[  382.303509]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.307759]  call_timer_fn+0x272/0x920
[  382.311645]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.315881]  ? process_timeout+0x40/0x40
[  382.319949]  ? __run_timers+0x7da/0xc70
[  382.323946]  ? _raw_spin_unlock_irq+0x27/0x80
[  382.328444]  ? _raw_spin_unlock_irq+0x27/0x80
[  382.332937]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.337177]  ? lockdep_hardirqs_on+0x296/0x5b0
[  382.341766]  ? trace_hardirqs_on+0xbd/0x310
[  382.346087]  ? kasan_check_read+0x11/0x20
[  382.350232]  ? __run_timers+0x7da/0xc70
[  382.354213]  ? trace_hardirqs_off_caller+0x310/0x310
[  382.359327]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.363579]  __run_timers+0x7e5/0xc70
[  382.367395]  ? timer_fixup_init+0x70/0x70
[  382.371547]  ? kasan_check_read+0x11/0x20
[  382.375695]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  382.380985]  ? rcu_softirq_qs+0x20/0x20
[  382.384961]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.390520]  ? check_preemption_disabled+0x48/0x280
[  382.395557]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  382.400321]  ? retint_kernel+0x2d/0x2d
[  382.404215]  ? trace_hardirqs_on_caller+0xc0/0x310
[  382.409164]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  382.413923]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  382.419380]  ? zap_class+0x640/0x640
[  382.423103]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.428640]  ? check_preemption_disabled+0x48/0x280
[  382.433670]  ? __lock_is_held+0xb5/0x140
[  382.437751]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.443288]  ? check_preemption_disabled+0x48/0x280
[  382.448310]  run_timer_softirq+0x52/0xb0
[  382.452373]  ? rcu_read_lock_sched_held+0x14f/0x180
[  382.457392]  __do_softirq+0x308/0xb7e
[  382.461199]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  382.465697]  ? lock_downgrade+0x900/0x900
[  382.469866]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  382.474985]  ? pvclock_read_flags+0x160/0x160
[  382.479502]  ? lapic_next_event+0x5a/0x90
[  382.483654]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.489200]  ? kvm_clock_read+0x18/0x30
[  382.493173]  ? kvm_sched_clock_read+0x9/0x20
[  382.497584]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.503123]  ? check_preemption_disabled+0x48/0x280
[  382.508153]  irq_exit+0x17f/0x1c0
[  382.511612]  smp_apic_timer_interrupt+0x1cb/0x760
[  382.516459]  ? smp_reschedule_interrupt+0x109/0x650
[  382.521480]  ? smp_call_function_single_interrupt+0x650/0x650
[  382.527364]  ? interrupt_entry+0xb5/0xc0
[  382.531430]  ? trace_hardirqs_off_caller+0xbb/0x310
[  382.536448]  ? trace_hardirqs_off_caller+0xbb/0x310
[  382.541468]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  382.546311]  ? trace_hardirqs_on_caller+0x310/0x310
[  382.551329]  ? trace_hardirqs_on_caller+0x310/0x310
[  382.556345]  ? task_prio+0x50/0x50
[  382.559887]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.565427]  ? check_preemption_disabled+0x48/0x280
[  382.570449]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  382.575325]  apic_timer_interrupt+0xf/0x20
[  382.579559]  </IRQ>
[  382.581803] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  382.586744] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 14
[  382.605643] RSP: 0000:ffff8801bf14f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  382.613366] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  382.620651] RDX: 0000000000000000 RSI: ffff8801b68a4c40 RDI: 0000000000000286
[  382.627922] RBP: ffff8801bf14f7a0 R08: ffff8801b68a43c0 R09: 0000000000000000
[  382.635190] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  382.642459] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  382.649779]  skb_clone+0x1bb/0x500
[  382.653326]  ? finish_task_switch+0x2f4/0x910
[  382.657821]  ? skb_split+0x11e0/0x11e0
[  382.661724]  ? preempt_notifier_register+0x200/0x200
[  382.666833]  ? __switch_to_asm+0x34/0x70
[  382.670898]  ? __switch_to_asm+0x34/0x70
[  382.674960]  ? __switch_to_asm+0x40/0x70
[  382.679020]  ? __switch_to_asm+0x34/0x70
[  382.683081]  ? __switch_to_asm+0x40/0x70
[  382.687145]  ? __switch_to_asm+0x34/0x70
[  382.691207]  ? __switch_to_asm+0x40/0x70
[  382.695271]  ? __switch_to_asm+0x34/0x70
[  382.699338]  ? __switch_to_asm+0x34/0x70
[  382.703399]  ? __switch_to_asm+0x40/0x70
[  382.707457]  ? __switch_to_asm+0x34/0x70
[  382.711523]  bpf_clone_redirect+0xb9/0x490
[  382.715757]  ? __schedule+0x8d7/0x21d0
[  382.719651]  bpf_prog_bebbfe2050753572+0x6c2/0x1000
[  382.724674]  ? __sched_text_start+0x8/0x8
[  382.728834]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  382.733595]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  382.738176]  ? retint_kernel+0x2d/0x2d
[  382.742072]  ? find_held_lock+0x36/0x1c0
[  382.746142]  ? lock_acquire+0x1ed/0x520
[  382.750117]  ? bpf_test_run+0x3cb/0x780
[  382.754094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.759635]  ? check_preemption_disabled+0x48/0x280
[  382.764660]  ? kasan_check_read+0x11/0x20
[  382.768812]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  382.774594]  ? rcu_softirq_qs+0x20/0x20
[  382.778569]  ? preempt_schedule+0x4d/0x60
[  382.782734]  ? ___preempt_schedule+0x16/0x18
[  382.787153]  ? bpf_test_run+0x25d/0x780
[  382.791139]  ? netlink_diag_dump+0x2a0/0x2a0
[  382.795554]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.801266]  ? bpf_test_init.isra.10+0x70/0x100
[  382.805943]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  382.810721]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  382.815586]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  382.821130]  ? fput+0x130/0x1a0
[  382.824415]  ? __bpf_prog_get+0x9b/0x290
[  382.828482]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  382.833326]  ? bpf_prog_test_run+0x130/0x1a0
[  382.837752]  ? __x64_sys_bpf+0x3d8/0x520
[  382.841832]  ? bpf_prog_get+0x20/0x20
[  382.845661]  ? do_syscall_64+0x1b9/0x820
[  382.849747]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  382.855121]  ? syscall_return_slowpath+0x5e0/0x5e0
[  382.860053]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  382.864917]  ? trace_hardirqs_on_caller+0x310/0x310
[  382.869938]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  382.874955]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.880496]  ? prepare_exit_to_usermode+0x291/0x3b0
[  382.885519]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  382.890372]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  382.895765] CPU: 1 PID: 5666 Comm: syz-fuzzer Not tainted 4.19.0+ #74
[  382.895835] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  382.902343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  382.902348] Call Trace:
[  382.902356]  <IRQ>
[  382.902373]  dump_stack+0x244/0x39d
[  382.902390]  ? dump_stack_print_info.cold.1+0x20/0x20
[  382.908921] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  382.918230]  warn_alloc.cold.116+0xb7/0x1bd
[  382.920781] syz-executor5 cpuset=syz5 mems_allowed=0
[  382.922927]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  382.956438]  ? lock_downgrade+0x900/0x900
[  382.960595]  ? trace_hardirqs_off+0xb8/0x310
[  382.965014]  ? trace_hardirqs_off+0xb8/0x310
[  382.969432]  __alloc_pages_slowpath+0x26e8/0x2e10
[  382.974307]  ? warn_alloc+0x120/0x120
[  382.978112]  ? print_usage_bug+0xc0/0xc0
[  382.982179]  ? warn_alloc+0x120/0x120
[  382.985990]  ? warn_alloc+0x120/0x120
[  382.989797]  ? print_usage_bug+0xc0/0xc0
[  382.993861]  ? kvm_clock_read+0x18/0x30
[  382.997839]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  383.002866]  ? print_usage_bug+0xc0/0xc0
[  383.006934]  ? __lock_acquire+0x62f/0x4c20
[  383.011175]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.016727]  ? should_fail+0x22d/0xd01
[  383.020617]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.025902]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  383.031010]  ? __lock_acquire+0x62f/0x4c20
[  383.035256]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  383.040365]  ? __lock_acquire+0x62f/0x4c20
[  383.044601]  ? should_fail+0x22d/0xd01
[  383.048489]  ? rcu_irq_exit+0x1a2/0x390
[  383.052474]  ? mark_held_locks+0x130/0x130
[  383.056722]  ? mark_held_locks+0x130/0x130
[  383.060969]  ? mark_held_locks+0xc7/0x130
[  383.065119]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  383.070137]  ? zap_class+0x640/0x640
[  383.073853]  ? print_usage_bug+0xc0/0xc0
[  383.077924]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.083465]  ? check_preemption_disabled+0x48/0x280
[  383.088498]  ? __lock_is_held+0xb5/0x140
[  383.092567]  __alloc_pages_nodemask+0xa80/0xde0
[  383.097240]  ? zap_class+0x640/0x640
[  383.100960]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  383.105991]  ? find_held_lock+0x36/0x1c0
[  383.110064]  ? ____cache_alloc_node+0x1c7/0x1e0
[  383.114742]  ? lock_downgrade+0x900/0x900
[  383.118900]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.124448]  cache_grow_begin+0xa5/0x8c0
[  383.128513]  ? do_raw_spin_unlock+0xa7/0x330
[  383.132931]  fallback_alloc+0x204/0x2e0
[  383.136914]  ____cache_alloc_node+0x1c7/0x1e0
[  383.141418]  kmem_cache_alloc_node+0xe3/0x730
[  383.145915]  ? ipv6_get_ifaddr+0x42e/0x620
[  383.150162]  __alloc_skb+0x119/0x770
[  383.153879]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.159163]  ? netdev_alloc_frag+0x1f0/0x1f0
[  383.163577]  ? lock_downgrade+0x900/0x900
[  383.167740]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.173284]  ? refcount_sub_and_test_checked+0x203/0x310
[  383.178749]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  383.184203]  ? addrconf_rs_timer+0x690/0x690
[  383.188632]  ndisc_alloc_skb+0x144/0x340
[  383.192698]  ndisc_send_rs+0x331/0x6e0
[  383.196602]  addrconf_rs_timer+0x314/0x690
[  383.200845]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.205091]  call_timer_fn+0x272/0x920
[  383.208978]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.213215]  ? process_timeout+0x40/0x40
[  383.217292]  ? mark_held_locks+0xc7/0x130
[  383.221445]  ? _raw_spin_unlock_irq+0x27/0x80
[  383.225943]  ? _raw_spin_unlock_irq+0x27/0x80
[  383.230442]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.234680]  ? lockdep_hardirqs_on+0x296/0x5b0
[  383.239276]  ? trace_hardirqs_on+0xbd/0x310
[  383.243597]  ? kasan_check_read+0x11/0x20
[  383.247744]  ? __run_timers+0x7da/0xc70
[  383.251730]  ? trace_hardirqs_off_caller+0x310/0x310
[  383.256840]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.261078]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.265348]  __run_timers+0x7e5/0xc70
[  383.269163]  ? timer_fixup_init+0x70/0x70
[  383.273315]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  383.278349]  ? zap_class+0x640/0x640
[  383.282069]  ? print_usage_bug+0xc0/0xc0
[  383.286134]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  383.291335]  ? find_held_lock+0x36/0x1c0
[  383.295401]  ? zap_class+0x640/0x640
[  383.299185]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.304760]  ? check_preemption_disabled+0x48/0x280
[  383.309789]  ? __lock_is_held+0xb5/0x140
[  383.313852]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.319390]  ? check_preemption_disabled+0x48/0x280
[  383.324415]  run_timer_softirq+0x52/0xb0
[  383.328481]  ? rcu_read_lock_sched_held+0x14f/0x180
[  383.333500]  __do_softirq+0x308/0xb7e
[  383.337307]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  383.341819]  ? lock_downgrade+0x900/0x900
[  383.345975]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  383.351090]  ? pvclock_read_flags+0x160/0x160
[  383.355588]  ? lapic_next_event+0x5a/0x90
[  383.359745]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.365294]  ? kvm_clock_read+0x18/0x30
[  383.369269]  ? kvm_sched_clock_read+0x9/0x20
[  383.373680]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.379230]  ? check_preemption_disabled+0x48/0x280
[  383.384262]  irq_exit+0x17f/0x1c0
[  383.387729]  smp_apic_timer_interrupt+0x1cb/0x760
[  383.392579]  ? smp_reschedule_interrupt+0x109/0x650
[  383.397600]  ? smp_call_function_single_interrupt+0x650/0x650
[  383.403484]  ? interrupt_entry+0xb5/0xc0
[  383.407547]  ? trace_hardirqs_off_caller+0xbb/0x310
[  383.412562]  ? trace_hardirqs_off_caller+0xbb/0x310
[  383.417579]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  383.422426]  ? trace_hardirqs_on_caller+0x310/0x310
[  383.427441]  ? trace_hardirqs_on_caller+0x310/0x310
[  383.432472]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  383.437327]  apic_timer_interrupt+0xf/0x20
[  383.441559]  </IRQ>
[  383.443798] RIP: 0010:dump_stack+0x358/0x39d
[  383.448207] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 a1 9c fd f9 48 83 3d 29 00 8d 01 00 0f 84 63 fe ff ff e8 ee 69 ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db 69 ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  383.467115] RSP: 0000:ffff8801b9cce1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  383.474823] RAX: ffff8801d71b2040 RBX: 1ffffffff12a3f46 RCX: 1ffff1003ae36526
[  383.482091] RDX: 0000000000000000 RSI: ffffffff87c4fa12 RDI: 0000000000000293
[  383.489359] RBP: ffff8801b9cce290 R08: ffff8801d71b2930 R09: 0000000000000006
[  383.496634] R10: 0000000000000000 R11: ffff8801d71b2040 R12: 1ffff10037399c45
[  383.503904] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  383.511196]  ? dump_stack+0x34f/0x39d
[  383.515020]  ? dump_stack_print_info.cold.1+0x20/0x20
[  383.520215]  ? mark_held_locks+0x130/0x130
[  383.524459]  ? mark_held_locks+0x130/0x130
[  383.528703]  dump_header+0x27b/0xf72
[  383.532441]  ? pagefault_out_of_memory+0x197/0x197
[  383.537382]  ? __lock_acquire+0x62f/0x4c20
[  383.541619]  ? percpu_ref_get_many+0x240/0x240
[  383.546204]  ? print_usage_bug+0xc0/0xc0
[  383.550277]  ? zap_class+0x640/0x640
[  383.553998]  ? print_usage_bug+0xc0/0xc0
[  383.558064]  ? print_usage_bug+0xc0/0xc0
[  383.562129]  ? zap_class+0x640/0x640
[  383.565852]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.571401]  ? find_held_lock+0x36/0x1c0
[  383.575476]  ? mark_held_locks+0xc7/0x130
[  383.579631]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  383.584747]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  383.589860]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  383.594450]  ? trace_hardirqs_on+0xbd/0x310
[  383.598773]  ? kasan_check_read+0x11/0x20
[  383.602924]  ? ___ratelimit+0x3b4/0x672
[  383.606906]  ? trace_hardirqs_off_caller+0x310/0x310
[  383.612015]  ? trace_hardirqs_on+0x310/0x310
[  383.616425]  ? lock_downgrade+0x900/0x900
[  383.620586]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  383.625729]  ? ___ratelimit+0x3b9/0x672
[  383.629716]  ? idr_get_free+0xf80/0xf80
[  383.633695]  ? find_held_lock+0x36/0x1c0
[  383.637777]  oom_kill_process.cold.27+0x10/0x903
[  383.642537]  ? zap_class+0x640/0x640
[  383.646255]  ? check_preemption_disabled+0x48/0x280
[  383.651294]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  383.656231]  ? kasan_check_read+0x11/0x20
[  383.660378]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.665660]  ? oom_evaluate_task+0x540/0x540
[  383.670074]  ? find_held_lock+0x36/0x1c0
[  383.674142]  ? out_of_memory+0x974/0x1430
[  383.678292]  ? lock_downgrade+0x900/0x900
[  383.682441]  ? check_preemption_disabled+0x48/0x280
[  383.687463]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  383.692393]  ? kasan_check_read+0x11/0x20
[  383.696544]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.701824]  ? rcu_softirq_qs+0x20/0x20
[  383.705803]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.711339]  ? oom_evaluate_task+0x302/0x540
[  383.715754]  out_of_memory+0xa84/0x1430
[  383.719746]  ? oom_killer_disable+0x3a0/0x3a0
[  383.724254]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  383.729188]  ? __ww_mutex_check_waiters+0x160/0x160
[  383.734226]  __alloc_pages_slowpath+0x2354/0x2e10
[  383.739102]  ? warn_alloc+0x120/0x120
[  383.742901]  ? mark_held_locks+0x130/0x130
[  383.747143]  ? find_get_entry+0xaae/0x1120
[  383.751389]  ? filemap_map_pages+0x1a20/0x1a20
[  383.755977]  ? zap_class+0x640/0x640
[  383.759701]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.765258]  ? check_preemption_disabled+0x48/0x280
[  383.770515]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.776044]  ? should_fail+0x22d/0xd01
[  383.779940]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  383.785047]  ? zap_class+0x640/0x640
[  383.788792]  ? __lock_is_held+0xb5/0x140
[  383.792865]  ? mark_held_locks+0x130/0x130
[  383.797107]  ? lock_release+0xa00/0xa00
[  383.801083]  ? perf_trace_sched_process_exec+0x860/0x860
[  383.806541]  ? xa_load+0x2ba/0x460
[  383.810085]  ? lock_downgrade+0x900/0x900
[  383.814243]  ? __might_sleep+0x95/0x190
[  383.818230]  __alloc_pages_nodemask+0xa80/0xde0
[  383.822910]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  383.827937]  ? __page_cache_alloc+0x191/0x5c0
[  383.832435]  ? xa_load+0x2e1/0x460
[  383.835978]  ? xa_clear_mark+0x40/0x40
[  383.839872]  ? zap_class+0x640/0x640
[  383.843601]  ? zap_class+0x640/0x640
[  383.847332]  ? zap_class+0x640/0x640
[  383.851048]  ? __do_page_cache_readahead+0x663/0x810
[  383.856156]  ? find_held_lock+0x36/0x1c0
[  383.860230]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  383.865782]  alloc_pages_current+0x173/0x350
[  383.870198]  __page_cache_alloc+0x38c/0x5c0
[  383.874540]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  383.879472]  ? kasan_check_read+0x11/0x20
[  383.883623]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.888905]  ? generic_perform_write+0x6a0/0x6a0
[  383.893667]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.899207]  ? check_preemption_disabled+0x48/0x280
[  383.904741]  filemap_fault+0x1595/0x25f0
[  383.908821]  ? __lock_page_or_retry+0xa00/0xa00
[  383.913499]  ? mark_held_locks+0x130/0x130
[  383.917755]  ? filemap_map_pages+0xd6b/0x1a20
[  383.922264]  ? lock_downgrade+0x900/0x900
[  383.926414]  ? check_preemption_disabled+0x48/0x280
[  383.931435]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  383.936386]  ? kasan_check_read+0x11/0x20
[  383.940539]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.945827]  ? rcu_softirq_qs+0x20/0x20
[  383.949817]  ? filemap_map_pages+0xd92/0x1a20
[  383.954322]  ? __lock_acquire+0x62f/0x4c20
[  383.958568]  ? find_get_entries_tag+0x1400/0x1400
[  383.963695]  ? lock_acquire+0x1ed/0x520
[  383.967680]  ? ext4_filemap_fault+0x7a/0xad
[  383.972015]  ? lock_release+0xa00/0xa00
[  383.975991]  ? perf_trace_sched_process_exec+0x860/0x860
[  383.981446]  ? print_usage_bug+0xc0/0xc0
[  383.985510]  ? print_usage_bug+0xc0/0xc0
[  383.989585]  ? down_read+0x8d/0x120
[  383.993210]  ? ext4_filemap_fault+0x7a/0xad
[  383.997537]  ? __down_interruptible+0x700/0x700
[  384.002222]  ext4_filemap_fault+0x82/0xad
[  384.006378]  __do_fault+0x100/0x6b0
[  384.010017]  ? pmd_devmap_trans_unstable+0x220/0x220
[  384.015127]  ? mark_held_locks+0x130/0x130
[  384.019367]  ? mark_held_locks+0x130/0x130
[  384.023605]  ? __might_fault+0x12b/0x1e0
[  384.027669]  ? lock_downgrade+0x900/0x900
[  384.031825]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.037371]  __handle_mm_fault+0x3ea6/0x5be0
[  384.041790]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  384.046645]  ? kasan_check_read+0x11/0x20
[  384.050794]  ? _copy_to_user+0xc8/0x110
[  384.054794]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.060347]  ? zap_class+0x640/0x640
[  384.064059]  ? zap_class+0x640/0x640
[  384.067782]  ? find_held_lock+0x36/0x1c0
[  384.071858]  ? handle_mm_fault+0x42a/0xc70
[  384.076099]  ? lock_downgrade+0x900/0x900
[  384.080251]  ? check_preemption_disabled+0x48/0x280
[  384.085276]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  384.090206]  ? kasan_check_read+0x11/0x20
[  384.094356]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  384.099633]  ? rcu_softirq_qs+0x20/0x20
[  384.103611]  ? trace_hardirqs_off_caller+0x310/0x310
[  384.108730]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.114272]  ? check_preemption_disabled+0x48/0x280
[  384.119303]  handle_mm_fault+0x54f/0xc70
[  384.123371]  ? __handle_mm_fault+0x5be0/0x5be0
[  384.127961]  ? find_vma+0x34/0x190
[  384.131506]  __do_page_fault+0x5e8/0xe60
[  384.135566]  ? trace_hardirqs_off+0xb8/0x310
[  384.139979]  ? retint_kernel+0x2d/0x2d
[  384.143876]  do_page_fault+0xf2/0x7e0
[  384.147683]  ? vmalloc_sync_all+0x30/0x30
[  384.151841]  ? error_entry+0x70/0xd0
[  384.155558]  ? trace_hardirqs_off_caller+0xbb/0x310
[  384.160573]  ? trace_hardirqs_on_caller+0xc0/0x310
[  384.165504]  ? syscall_return_slowpath+0x5e0/0x5e0
[  384.170520]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  384.175367]  ? trace_hardirqs_on_caller+0x310/0x310
[  384.180387]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  384.185848]  ? prepare_exit_to_usermode+0x291/0x3b0
[  384.190873]  ? page_fault+0x8/0x30
[  384.194418]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  384.199271]  ? page_fault+0x8/0x30
[  384.202815]  page_fault+0x1e/0x30
[  384.206267] RIP: 0033:0x45d911
[  384.209472] Code: Bad RIP value.
[  384.212843] RSP: 002b:000000c420035f18 EFLAGS: 00010246
[  384.218203] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 000000000045d911
[  384.225489] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  384.232759] RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
[  384.240026] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  384.247293] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  384.254583] warn_alloc_show_mem: 1 callbacks suppressed
[  384.254596] CPU: 0 PID: 11721 Comm: syz-executor5 Not tainted 4.19.0+ #74
[  384.254598] Mem-Info:
[  384.254629] active_anon:50643 inactive_anon:847 isolated_anon:0
[  384.254629]  active_file:14 inactive_file:13 isolated_file:0
[  384.254629]  unevictable:0 dirty:0 writeback:0 unstable:0
[  384.254629]  slab_reclaimable:9230 slab_unreclaimable:1469886
[  384.254629]  mapped:49154 shmem:854 pagetables:629 bounce:0
[  384.254629]  free:13794 free_pcp:158 free_cma:0
[  384.259985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  384.259994] Call Trace:
[  384.266930] Node 0 active_anon:202572kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3416kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  384.269329]  <IRQ>
[  384.302200] 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
[  384.311563]  dump_stack+0x244/0x39d
[  384.314119] lowmem_reserve[]: 0 2818 6321 6321
[  384.341805]  ? dump_stack_print_info.cold.1+0x20/0x20
[  384.343930] Node 0 DMA32 free:25280kB min:30052kB low:37564kB high:45076kB active_anon:236kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  384.370056]  warn_alloc.cold.116+0xb7/0x1bd
[  384.373652] lowmem_reserve[]: 0 0 3503 3503
[  384.378237]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  384.383421] Node 0 Normal free:13988kB min:37364kB low:46704kB high:56044kB active_anon:202336kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:412kB local_pcp:252kB free_cma:0kB
[  384.410949]  ? lock_downgrade+0x900/0x900
[  384.415250] lowmem_reserve[]: 0 0 0 0
[  384.419573]  ? trace_hardirqs_off+0xb8/0x310
[  384.424386] 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
[  384.453372]  ? trace_hardirqs_off+0xb8/0x310
[  384.457500] Node 0 DMA32: 2*4kB (H) 3*8kB (UMH) 2*16kB (M) 2*32kB (MH) 5*64kB (MH) 4*128kB (M) 5*256kB (MH) 5*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 25280kB
[  384.461303]  __alloc_pages_slowpath+0x26e8/0x2e10
[  384.465680] Node 0 Normal: 737*4kB (UMEH) 442*8kB (UME) 213*16kB (UME) 70*32kB (UME) 7*64kB (UMH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13988kB
[  384.479241]  ? warn_alloc+0x120/0x120
[  384.483617] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  384.499047]  ? print_usage_bug+0xc0/0xc0
[  384.503872] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  384.519216]  ? warn_alloc+0x120/0x120
[  384.522997] 881 total pagecache pages
[  384.531828]  ? warn_alloc+0x120/0x120
[  384.535871] 0 pages in swap cache
[  384.544435]  ? print_usage_bug+0xc0/0xc0
[  384.548211] Swap cache stats: add 0, delete 0, find 0/0
[  384.552002]  ? print_usage_bug+0xc0/0xc0
[  384.555783] Free swap  = 0kB
[  384.559229]  ? __lock_acquire+0x62f/0x4c20
[  384.563289] Total swap = 0kB
[  384.568650]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.572687] 1965979 pages RAM
[  384.575714]  ? should_fail+0x22d/0xd01
[  384.579915] 0 pages HighMem/MovableOnly
[  384.579924] 342858 pages reserved
[  384.582939]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  384.588446] 0 pages cma reserved
[  384.588519] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  384.591560]  ? __lock_acquire+0x62f/0x4c20
[  384.595532] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  384.599399]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  384.602828] syz-fuzzer cpuset=/ mems_allowed=0
[  384.607950]  ? __lock_acquire+0x62f/0x4c20
[  384.646099]  ? should_fail+0x22d/0xd01
[  384.649994]  ? find_held_lock+0x36/0x1c0
[  384.654070]  ? mark_held_locks+0x130/0x130
[  384.658312]  ? mark_held_locks+0x130/0x130
[  384.662563]  ? zap_class+0x640/0x640
[  384.666284]  ? zap_class+0x640/0x640
[  384.670007]  ? print_usage_bug+0xc0/0xc0
[  384.674068]  ? do_raw_spin_unlock+0xa7/0x330
[  384.678482]  ? zap_class+0x640/0x640
[  384.682200]  ? print_usage_bug+0xc0/0xc0
[  384.686266]  ? wq_watchdog_touch+0x9c/0xfe
[  384.690512]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.696054]  ? check_preemption_disabled+0x48/0x280
[  384.701084]  ? __lock_is_held+0xb5/0x140
[  384.705158]  __alloc_pages_nodemask+0xa80/0xde0
[  384.709830]  ? zap_class+0x640/0x640
[  384.713553]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  384.718583]  ? find_held_lock+0x36/0x1c0
[  384.722657]  ? ____cache_alloc_node+0x1c7/0x1e0
[  384.727334]  ? lock_downgrade+0x900/0x900
[  384.731495]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.737043]  cache_grow_begin+0xa5/0x8c0
[  384.741107]  ? do_raw_spin_unlock+0xa7/0x330
[  384.745527]  fallback_alloc+0x204/0x2e0
[  384.749510]  ____cache_alloc_node+0x1c7/0x1e0
[  384.754015]  kmem_cache_alloc_node+0xe3/0x730
[  384.758517]  ? ipv6_get_ifaddr+0x42e/0x620
[  384.762767]  __alloc_skb+0x119/0x770
[  384.766484]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  384.772258]  ? netdev_alloc_frag+0x1f0/0x1f0
[  384.776667]  ? lock_downgrade+0x900/0x900
[  384.780830]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.786373]  ? refcount_sub_and_test_checked+0x203/0x310
[  384.791850]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  384.797304]  ? addrconf_rs_timer+0x690/0x690
[  384.801739]  ndisc_alloc_skb+0x144/0x340
[  384.805811]  ndisc_send_rs+0x331/0x6e0
[  384.809704]  addrconf_rs_timer+0x314/0x690
[  384.813957]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.818206]  call_timer_fn+0x272/0x920
[  384.822094]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.826329]  ? process_timeout+0x40/0x40
[  384.830402]  ? __run_timers+0x7da/0xc70
[  384.834401]  ? _raw_spin_unlock_irq+0x27/0x80
[  384.838901]  ? _raw_spin_unlock_irq+0x27/0x80
[  384.843393]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.847651]  ? lockdep_hardirqs_on+0x296/0x5b0
[  384.852237]  ? trace_hardirqs_on+0xbd/0x310
[  384.856561]  ? kasan_check_read+0x11/0x20
[  384.860728]  ? __run_timers+0x7da/0xc70
[  384.864713]  ? trace_hardirqs_off_caller+0x310/0x310
[  384.869832]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.874072]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.878311]  __run_timers+0x7e5/0xc70
[  384.882128]  ? timer_fixup_init+0x70/0x70
[  384.886283]  ? kasan_check_read+0x11/0x20
[  384.890437]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  384.895727]  ? rcu_softirq_qs+0x20/0x20
[  384.899724]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.905268]  ? check_preemption_disabled+0x48/0x280
[  384.910294]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  384.915056]  ? retint_kernel+0x2d/0x2d
[  384.918948]  ? trace_hardirqs_on_caller+0xc0/0x310
[  384.923888]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  384.928652]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  384.934106]  ? zap_class+0x640/0x640
[  384.937829]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.943374]  ? check_preemption_disabled+0x48/0x280
[  384.948405]  ? __lock_is_held+0xb5/0x140
[  384.952473]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.958012]  ? check_preemption_disabled+0x48/0x280
[  384.963038]  run_timer_softirq+0x52/0xb0
[  384.967103]  ? rcu_read_lock_sched_held+0x14f/0x180
[  384.972138]  __do_softirq+0x308/0xb7e
[  384.975946]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  384.980443]  ? lock_downgrade+0x900/0x900
[  384.984596]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  384.989715]  ? pvclock_read_flags+0x160/0x160
[  384.994221]  ? lapic_next_event+0x5a/0x90
[  384.998373]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.003919]  ? kvm_clock_read+0x18/0x30
[  385.007893]  ? kvm_sched_clock_read+0x9/0x20
[  385.012306]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.017846]  ? check_preemption_disabled+0x48/0x280
[  385.022873]  irq_exit+0x17f/0x1c0
[  385.026332]  smp_apic_timer_interrupt+0x1cb/0x760
[  385.031184]  ? smp_reschedule_interrupt+0x109/0x650
[  385.036212]  ? smp_call_function_single_interrupt+0x650/0x650
[  385.042114]  ? interrupt_entry+0xb5/0xc0
[  385.046180]  ? trace_hardirqs_off_caller+0xbb/0x310
[  385.051195]  ? trace_hardirqs_off_caller+0xbb/0x310
[  385.056225]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  385.061069]  ? trace_hardirqs_on_caller+0x310/0x310
[  385.066087]  ? trace_hardirqs_on_caller+0x310/0x310
[  385.071106]  ? task_prio+0x50/0x50
[  385.074653]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.080195]  ? check_preemption_disabled+0x48/0x280
[  385.085221]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  385.090078]  apic_timer_interrupt+0xf/0x20
[  385.094307]  </IRQ>
[  385.096549] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  385.101479] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 14
[  385.120382] RSP: 0000:ffff8801bf14f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  385.128094] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  385.135363] RDX: 0000000000000000 RSI: ffff8801b68a4c40 RDI: 0000000000000286
[  385.142635] RBP: ffff8801bf14f7a0 R08: ffff8801b68a43c0 R09: 0000000000000000
[  385.149901] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  385.157167] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  385.164482]  skb_clone+0x1bb/0x500
[  385.168029]  ? finish_task_switch+0x2f4/0x910
[  385.172546]  ? skb_split+0x11e0/0x11e0
[  385.176444]  ? preempt_notifier_register+0x200/0x200
[  385.181548]  ? __switch_to_asm+0x34/0x70
[  385.185610]  ? __switch_to_asm+0x34/0x70
[  385.189675]  ? __switch_to_asm+0x40/0x70
[  385.193745]  ? __switch_to_asm+0x34/0x70
[  385.197806]  ? __switch_to_asm+0x40/0x70
[  385.201869]  ? __switch_to_asm+0x34/0x70
[  385.205931]  ? __switch_to_asm+0x40/0x70
[  385.209994]  ? __switch_to_asm+0x34/0x70
[  385.214055]  ? __switch_to_asm+0x34/0x70
[  385.218113]  ? __switch_to_asm+0x40/0x70
[  385.222174]  ? __switch_to_asm+0x34/0x70
[  385.226244]  bpf_clone_redirect+0xb9/0x490
[  385.230486]  ? __schedule+0x8d7/0x21d0
[  385.234400]  bpf_prog_bebbfe2050753572+0x6c2/0x1000
[  385.239506]  ? __sched_text_start+0x8/0x8
[  385.243659]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  385.248429]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  385.253012]  ? retint_kernel+0x2d/0x2d
[  385.256903]  ? find_held_lock+0x36/0x1c0
[  385.260973]  ? lock_acquire+0x1ed/0x520
[  385.264947]  ? bpf_test_run+0x3cb/0x780
[  385.268924]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.274469]  ? check_preemption_disabled+0x48/0x280
[  385.279491]  ? kasan_check_read+0x11/0x20
[  385.283641]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  385.288919]  ? rcu_softirq_qs+0x20/0x20
[  385.292898]  ? preempt_schedule+0x4d/0x60
[  385.297049]  ? ___preempt_schedule+0x16/0x18
[  385.301467]  ? bpf_test_run+0x25d/0x780
[  385.305452]  ? netlink_diag_dump+0x2a0/0x2a0
[  385.309868]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  385.315409]  ? bpf_test_init.isra.10+0x70/0x100
[  385.320084]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  385.324866]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  385.329724]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  385.335287]  ? fput+0x130/0x1a0
[  385.338571]  ? __bpf_prog_get+0x9b/0x290
[  385.342641]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  385.347482]  ? bpf_prog_test_run+0x130/0x1a0
[  385.351898]  ? __x64_sys_bpf+0x3d8/0x520
[  385.355960]  ? bpf_prog_get+0x20/0x20
[  385.359784]  ? do_syscall_64+0x1b9/0x820
[  385.363850]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  385.369217]  ? syscall_return_slowpath+0x5e0/0x5e0
[  385.374148]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  385.378998]  ? trace_hardirqs_on_caller+0x310/0x310
[  385.384015]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  385.389037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.394574]  ? prepare_exit_to_usermode+0x291/0x3b0
[  385.399598]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  385.404452]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  385.409842] CPU: 1 PID: 5666 Comm: syz-fuzzer Not tainted 4.19.0+ #74
[  385.409931] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  385.416423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  385.416428] Call Trace:
[  385.416435]  <IRQ>
[  385.416451]  dump_stack+0x244/0x39d
[  385.416469]  ? dump_stack_print_info.cold.1+0x20/0x20
[  385.416497]  warn_alloc.cold.116+0xb7/0x1bd
[  385.423047] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  385.432316]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  385.434882] syz-executor5 cpuset=syz5 mems_allowed=0
[  385.437030]  ? lock_downgrade+0x900/0x900
[  385.474636]  ? trace_hardirqs_off+0xb8/0x310
[  385.479057]  ? trace_hardirqs_off+0xb8/0x310
[  385.483478]  __alloc_pages_slowpath+0x26e8/0x2e10
[  385.488356]  ? warn_alloc+0x120/0x120
[  385.492166]  ? print_usage_bug+0xc0/0xc0
[  385.496238]  ? warn_alloc+0x120/0x120
[  385.500045]  ? warn_alloc+0x120/0x120
[  385.503848]  ? print_usage_bug+0xc0/0xc0
[  385.507915]  ? kvm_clock_read+0x18/0x30
[  385.511889]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  385.516929]  ? print_usage_bug+0xc0/0xc0
[  385.520999]  ? __lock_acquire+0x62f/0x4c20
[  385.525248]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  385.530787]  ? should_fail+0x22d/0xd01
[  385.534684]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  385.539795]  ? __lock_acquire+0x62f/0x4c20
[  385.544037]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  385.549161]  ? __lock_acquire+0x62f/0x4c20
[  385.553396]  ? should_fail+0x22d/0xd01
[  385.557296]  ? mark_held_locks+0x130/0x130
[  385.561538]  ? mark_held_locks+0x130/0x130
[  385.565783]  ? zap_class+0x640/0x640
[  385.569499]  ? print_usage_bug+0xc0/0xc0
[  385.573567]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.579105]  ? check_preemption_disabled+0x48/0x280
[  385.584133]  ? __lock_is_held+0xb5/0x140
[  385.588201]  __alloc_pages_nodemask+0xa80/0xde0
[  385.592877]  ? zap_class+0x640/0x640
[  385.596605]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  385.601637]  ? find_held_lock+0x36/0x1c0
[  385.605717]  ? ____cache_alloc_node+0x1c7/0x1e0
[  385.610389]  ? lock_downgrade+0x900/0x900
[  385.614550]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.620096]  cache_grow_begin+0xa5/0x8c0
[  385.624158]  ? do_raw_spin_unlock+0xa7/0x330
[  385.628579]  fallback_alloc+0x204/0x2e0
[  385.632563]  ____cache_alloc_node+0x1c7/0x1e0
[  385.637077]  kmem_cache_alloc_node+0xe3/0x730
[  385.641571]  ? ipv6_get_ifaddr+0x42e/0x620
[  385.645819]  __alloc_skb+0x119/0x770
[  385.649533]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  385.654820]  ? netdev_alloc_frag+0x1f0/0x1f0
[  385.659234]  ? lock_downgrade+0x900/0x900
[  385.663389]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.668936]  ? refcount_sub_and_test_checked+0x203/0x310
[  385.674391]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  385.679843]  ? addrconf_rs_timer+0x690/0x690
[  385.684269]  ndisc_alloc_skb+0x144/0x340
[  385.688338]  ndisc_send_rs+0x331/0x6e0
[  385.692235]  addrconf_rs_timer+0x314/0x690
[  385.696475]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.700732]  call_timer_fn+0x272/0x920
[  385.704622]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.708859]  ? process_timeout+0x40/0x40
[  385.712931]  ? mark_held_locks+0xc7/0x130
[  385.717175]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.721689]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.726189]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.730431]  ? lockdep_hardirqs_on+0x296/0x5b0
[  385.735016]  ? trace_hardirqs_on+0xbd/0x310
[  385.739338]  ? kasan_check_read+0x11/0x20
[  385.743494]  ? __run_timers+0x7da/0xc70
[  385.747473]  ? trace_hardirqs_off_caller+0x310/0x310
[  385.754327]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.758560]  __run_timers+0x7e5/0xc70
[  385.762374]  ? timer_fixup_init+0x70/0x70
[  385.766524]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  385.771773]  ? zap_class+0x640/0x640
[  385.775494]  ? print_usage_bug+0xc0/0xc0
[  385.779558]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  385.784757]  ? find_held_lock+0x36/0x1c0
[  385.788828]  ? zap_class+0x640/0x640
[  385.792549]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.798090]  ? check_preemption_disabled+0x48/0x280
[  385.803119]  ? __lock_is_held+0xb5/0x140
[  385.807185]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.812735]  ? check_preemption_disabled+0x48/0x280
[  385.817761]  run_timer_softirq+0x52/0xb0
[  385.821827]  ? rcu_read_lock_sched_held+0x14f/0x180
[  385.826848]  __do_softirq+0x308/0xb7e
[  385.830658]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  385.835154]  ? lock_downgrade+0x900/0x900
[  385.839313]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  385.844431]  ? pvclock_read_flags+0x160/0x160
[  385.848932]  ? lapic_next_event+0x5a/0x90
[  385.853084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.858631]  ? kvm_clock_read+0x18/0x30
[  385.862608]  ? kvm_sched_clock_read+0x9/0x20
[  385.867021]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  385.872564]  ? check_preemption_disabled+0x48/0x280
[  385.877593]  irq_exit+0x17f/0x1c0
[  385.881052]  smp_apic_timer_interrupt+0x1cb/0x760
[  385.885917]  ? smp_reschedule_interrupt+0x109/0x650
[  385.890945]  ? smp_call_function_single_interrupt+0x650/0x650
[  385.896833]  ? interrupt_entry+0xb5/0xc0
[  385.900897]  ? trace_hardirqs_off_caller+0xbb/0x310
[  385.906368]  ? trace_hardirqs_off_caller+0xbb/0x310
[  385.911394]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  385.916244]  ? trace_hardirqs_on_caller+0x310/0x310
[  385.921263]  ? trace_hardirqs_on_caller+0x310/0x310
[  385.926294]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  385.931153]  apic_timer_interrupt+0xf/0x20
[  385.935555]  </IRQ>
[  385.937795] RIP: 0010:dump_stack+0x358/0x39d
[  385.942210] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 a1 9c fd f9 48 83 3d 29 00 8d 01 00 0f 84 63 fe ff ff e8 ee 69 ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db 69 ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  385.961135] RSP: 0000:ffff8801b9cce1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  385.968844] RAX: ffff8801d71b2040 RBX: 1ffffffff12a3f46 RCX: 1ffff1003ae36526
[  385.976111] RDX: 0000000000000000 RSI: ffffffff87c4fa12 RDI: 0000000000000293
[  385.983378] RBP: ffff8801b9cce290 R08: ffff8801d71b2930 R09: 0000000000000006
[  385.990645] R10: 0000000000000000 R11: ffff8801d71b2040 R12: 1ffff10037399c45
[  385.997916] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  386.005210]  ? dump_stack+0x34f/0x39d
[  386.009045]  ? dump_stack_print_info.cold.1+0x20/0x20
[  386.014248]  ? mark_held_locks+0x130/0x130
[  386.018509]  ? mark_held_locks+0x130/0x130
[  386.022754]  dump_header+0x27b/0xf72
[  386.026486]  ? pagefault_out_of_memory+0x197/0x197
[  386.031425]  ? __lock_acquire+0x62f/0x4c20
[  386.035662]  ? percpu_ref_get_many+0x240/0x240
[  386.040252]  ? print_usage_bug+0xc0/0xc0
[  386.044325]  ? zap_class+0x640/0x640
[  386.048047]  ? print_usage_bug+0xc0/0xc0
[  386.052107]  ? print_usage_bug+0xc0/0xc0
[  386.056175]  ? zap_class+0x640/0x640
[  386.059895]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.065446]  ? find_held_lock+0x36/0x1c0
[  386.069522]  ? mark_held_locks+0xc7/0x130
[  386.073677]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  386.078792]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  386.083903]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  386.088492]  ? trace_hardirqs_on+0xbd/0x310
[  386.092821]  ? kasan_check_read+0x11/0x20
[  386.096970]  ? ___ratelimit+0x3b4/0x672
[  386.100946]  ? trace_hardirqs_off_caller+0x310/0x310
[  386.106051]  ? trace_hardirqs_on+0x310/0x310
[  386.110462]  ? lock_downgrade+0x900/0x900
[  386.114618]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  386.119734]  ? ___ratelimit+0x3b9/0x672
[  386.123725]  ? idr_get_free+0xf80/0xf80
[  386.127705]  ? find_held_lock+0x36/0x1c0
[  386.131788]  oom_kill_process.cold.27+0x10/0x903
[  386.136546]  ? zap_class+0x640/0x640
[  386.140263]  ? check_preemption_disabled+0x48/0x280
[  386.145286]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  386.150224]  ? kasan_check_read+0x11/0x20
[  386.154375]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.159657]  ? oom_evaluate_task+0x540/0x540
[  386.164071]  ? find_held_lock+0x36/0x1c0
[  386.168141]  ? out_of_memory+0x974/0x1430
[  386.172294]  ? lock_downgrade+0x900/0x900
[  386.176443]  ? check_preemption_disabled+0x48/0x280
[  386.181479]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  386.186417]  ? kasan_check_read+0x11/0x20
[  386.190565]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.195843]  ? rcu_softirq_qs+0x20/0x20
[  386.199822]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.205359]  ? oom_evaluate_task+0x302/0x540
[  386.209777]  out_of_memory+0xa84/0x1430
[  386.213762]  ? oom_killer_disable+0x3a0/0x3a0
[  386.218445]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  386.223384]  ? __ww_mutex_check_waiters+0x160/0x160
[  386.228417]  __alloc_pages_slowpath+0x2354/0x2e10
[  386.233293]  ? warn_alloc+0x120/0x120
[  386.237099]  ? mark_held_locks+0x130/0x130
[  386.241351]  ? find_get_entry+0xaae/0x1120
[  386.245603]  ? filemap_map_pages+0x1a20/0x1a20
[  386.250197]  ? zap_class+0x640/0x640
[  386.254017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.259559]  ? check_preemption_disabled+0x48/0x280
[  386.264578]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.270118]  ? should_fail+0x22d/0xd01
[  386.274010]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  386.279117]  ? zap_class+0x640/0x640
[  386.282861]  ? __lock_is_held+0xb5/0x140
[  386.286932]  ? mark_held_locks+0x130/0x130
[  386.291169]  ? lock_release+0xa00/0xa00
[  386.295146]  ? perf_trace_sched_process_exec+0x860/0x860
[  386.300748]  ? xa_load+0x2ba/0x460
[  386.304318]  ? lock_downgrade+0x900/0x900
[  386.308483]  ? __might_sleep+0x95/0x190
[  386.312469]  __alloc_pages_nodemask+0xa80/0xde0
[  386.317149]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  386.322168]  ? __page_cache_alloc+0x191/0x5c0
[  386.326664]  ? xa_load+0x2e1/0x460
[  386.330209]  ? xa_clear_mark+0x40/0x40
[  386.334124]  ? zap_class+0x640/0x640
[  386.337851]  ? zap_class+0x640/0x640
[  386.341564]  ? zap_class+0x640/0x640
[  386.345278]  ? __do_page_cache_readahead+0x663/0x810
[  386.350388]  ? find_held_lock+0x36/0x1c0
[  386.354461]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  386.360009]  alloc_pages_current+0x173/0x350
[  386.364428]  __page_cache_alloc+0x38c/0x5c0
[  386.368753]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  386.373687]  ? kasan_check_read+0x11/0x20
[  386.377850]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.383131]  ? generic_perform_write+0x6a0/0x6a0
[  386.387890]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.393517]  ? check_preemption_disabled+0x48/0x280
[  386.398543]  filemap_fault+0x1595/0x25f0
[  386.402620]  ? __lock_page_or_retry+0xa00/0xa00
[  386.407295]  ? mark_held_locks+0x130/0x130
[  386.411539]  ? filemap_map_pages+0xd6b/0x1a20
[  386.416035]  ? lock_downgrade+0x900/0x900
[  386.420184]  ? check_preemption_disabled+0x48/0x280
[  386.425203]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  386.430143]  ? kasan_check_read+0x11/0x20
[  386.434297]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.439574]  ? rcu_softirq_qs+0x20/0x20
[  386.443565]  ? filemap_map_pages+0xd92/0x1a20
[  386.448068]  ? __lock_acquire+0x62f/0x4c20
[  386.452313]  ? find_get_entries_tag+0x1400/0x1400
[  386.457186]  ? lock_acquire+0x1ed/0x520
[  386.461166]  ? ext4_filemap_fault+0x7a/0xad
[  386.465495]  ? lock_release+0xa00/0xa00
[  386.469471]  ? perf_trace_sched_process_exec+0x860/0x860
[  386.474923]  ? print_usage_bug+0xc0/0xc0
[  386.478986]  ? print_usage_bug+0xc0/0xc0
[  386.483067]  ? down_read+0x8d/0x120
[  386.486693]  ? ext4_filemap_fault+0x7a/0xad
[  386.491023]  ? __down_interruptible+0x700/0x700
[  386.495703]  ext4_filemap_fault+0x82/0xad
[  386.499871]  __do_fault+0x100/0x6b0
[  386.503508]  ? pmd_devmap_trans_unstable+0x220/0x220
[  386.508617]  ? mark_held_locks+0x130/0x130
[  386.512856]  ? mark_held_locks+0x130/0x130
[  386.517091]  ? __might_fault+0x12b/0x1e0
[  386.521160]  ? lock_downgrade+0x900/0x900
[  386.525315]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.530866]  __handle_mm_fault+0x3ea6/0x5be0
[  386.535289]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  386.540139]  ? kasan_check_read+0x11/0x20
[  386.544291]  ? _copy_to_user+0xc8/0x110
[  386.548275]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.553825]  ? zap_class+0x640/0x640
[  386.557538]  ? zap_class+0x640/0x640
[  386.561261]  ? find_held_lock+0x36/0x1c0
[  386.565335]  ? handle_mm_fault+0x42a/0xc70
[  386.569573]  ? lock_downgrade+0x900/0x900
[  386.573733]  ? check_preemption_disabled+0x48/0x280
[  386.578765]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  386.583700]  ? kasan_check_read+0x11/0x20
[  386.587859]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.593137]  ? rcu_softirq_qs+0x20/0x20
[  386.597138]  ? trace_hardirqs_off_caller+0x310/0x310
[  386.602265]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.607810]  ? check_preemption_disabled+0x48/0x280
[  386.612837]  handle_mm_fault+0x54f/0xc70
[  386.616904]  ? __handle_mm_fault+0x5be0/0x5be0
[  386.621492]  ? find_vma+0x34/0x190
[  386.625038]  __do_page_fault+0x5e8/0xe60
[  386.629102]  ? trace_hardirqs_off+0xb8/0x310
[  386.633545]  ? retint_kernel+0x2d/0x2d
[  386.637449]  do_page_fault+0xf2/0x7e0
[  386.641253]  ? vmalloc_sync_all+0x30/0x30
[  386.645401]  ? error_entry+0x70/0xd0
[  386.649122]  ? trace_hardirqs_off_caller+0xbb/0x310
[  386.654139]  ? trace_hardirqs_on_caller+0xc0/0x310
[  386.659068]  ? syscall_return_slowpath+0x5e0/0x5e0
[  386.663998]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  386.668847]  ? trace_hardirqs_on_caller+0x310/0x310
[  386.673866]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  386.679324]  ? prepare_exit_to_usermode+0x291/0x3b0
[  386.684344]  ? page_fault+0x8/0x30
[  386.687891]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  386.692749]  ? page_fault+0x8/0x30
[  386.696295]  page_fault+0x1e/0x30
[  386.699747] RIP: 0033:0x45d911
[  386.702955] Code: Bad RIP value.
[  386.706316] RSP: 002b:000000c420035f18 EFLAGS: 00010246
[  386.711676] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 000000000045d911
[  386.718953] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  386.726224] RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
[  386.733501] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  386.740773] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  386.748065] warn_alloc_show_mem: 1 callbacks suppressed
[  386.748077] CPU: 0 PID: 11721 Comm: syz-executor5 Not tainted 4.19.0+ #74
[  386.748079] Mem-Info:
[  386.748110] active_anon:50643 inactive_anon:847 isolated_anon:0
[  386.748110]  active_file:14 inactive_file:13 isolated_file:0
[  386.748110]  unevictable:0 dirty:0 writeback:0 unstable:0
[  386.748110]  slab_reclaimable:9230 slab_unreclaimable:1469886
[  386.748110]  mapped:49154 shmem:854 pagetables:629 bounce:0
[  386.748110]  free:13794 free_pcp:158 free_cma:0
[  386.753450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  386.760384] Node 0 active_anon:202572kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3416kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  386.762784] Call Trace:
[  386.795757] 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
[  386.805112]  <IRQ>
[  386.832770] lowmem_reserve[]: 0 2818 6321 6321
[  386.835358]  dump_stack+0x244/0x39d
[  386.861455] Node 0 DMA32 free:25280kB min:30052kB low:37564kB high:45076kB active_anon:236kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  386.863606]  ? dump_stack_print_info.cold.1+0x20/0x20
[  386.868161] lowmem_reserve[]: 0 0 3503 3503
[  386.871795]  warn_alloc.cold.116+0xb7/0x1bd
[  386.899269] Node 0 Normal free:13988kB min:37364kB low:46704kB high:56044kB active_anon:202336kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:412kB local_pcp:252kB free_cma:0kB
[  386.904461]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  386.908752] lowmem_reserve[]: 0 0 0 0
[  386.913068]  ? lock_downgrade+0x900/0x900
[  386.942022] 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
[  386.946870]  ? trace_hardirqs_off+0xb8/0x310
[  386.950639] Node 0 DMA32: 2*4kB (H) 3*8kB (UMH) 2*16kB (M) 2*32kB (MH) 5*64kB (MH) 4*128kB (M) 5*256kB (MH) 5*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 25280kB
[  386.954784]  ? trace_hardirqs_off+0xb8/0x310
[  386.968281] Node 0 Normal: 737*4kB (UMEH) 442*8kB (UME) 213*16kB (UME) 70*32kB (UME) 7*64kB (UMH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13988kB
[  386.972691]  __alloc_pages_slowpath+0x26e8/0x2e10
[  386.988190] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  386.992612]  ? warn_alloc+0x120/0x120
[  387.007919] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  387.012758]  ? print_usage_bug+0xc0/0xc0
[  387.021566] 881 total pagecache pages
[  387.025363]  ? warn_alloc+0x120/0x120
[  387.033922] 0 pages in swap cache
[  387.037975]  ? warn_alloc+0x120/0x120
[  387.041759] Swap cache stats: add 0, delete 0, find 0/0
[  387.045554]  ? print_usage_bug+0xc0/0xc0
[  387.048984] Free swap  = 0kB
[  387.052780]  ? kvm_clock_read+0x18/0x30
[  387.058120] Total swap = 0kB
[  387.062176]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  387.065171] 1965979 pages RAM
[  387.069139]  ? print_usage_bug+0xc0/0xc0
[  387.072132] 0 pages HighMem/MovableOnly
[  387.077141]  ? __lock_acquire+0x62f/0x4c20
[  387.080227] 342858 pages reserved
[  387.084286]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.088242] 0 pages cma reserved
[  387.092471]  ? should_fail+0x22d/0xd01
[  387.095959] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  387.101422]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  387.101441]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  387.104894] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  387.108669]  ? __lock_acquire+0x62f/0x4c20
[  387.115135] syz-fuzzer cpuset=/ mems_allowed=0
[  387.120408]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  387.149589]  ? __lock_acquire+0x62f/0x4c20
[  387.153823]  ? should_fail+0x22d/0xd01
[  387.157716]  ? rcu_irq_exit+0x1a2/0x390
[  387.161718]  ? mark_held_locks+0x130/0x130
[  387.166139]  ? mark_held_locks+0x130/0x130
[  387.170384]  ? mark_held_locks+0xc7/0x130
[  387.174532]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  387.179549]  ? zap_class+0x640/0x640
[  387.183262]  ? print_usage_bug+0xc0/0xc0
[  387.187331]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.192873]  ? check_preemption_disabled+0x48/0x280
[  387.197899]  ? __lock_is_held+0xb5/0x140
[  387.201974]  __alloc_pages_nodemask+0xa80/0xde0
[  387.206645]  ? zap_class+0x640/0x640
[  387.210368]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  387.215397]  ? find_held_lock+0x36/0x1c0
[  387.219471]  ? ____cache_alloc_node+0x1c7/0x1e0
[  387.224142]  ? lock_downgrade+0x900/0x900
[  387.228301]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.233845]  cache_grow_begin+0xa5/0x8c0
[  387.237915]  ? do_raw_spin_unlock+0xa7/0x330
[  387.242343]  fallback_alloc+0x204/0x2e0
[  387.246325]  ____cache_alloc_node+0x1c7/0x1e0
[  387.250829]  kmem_cache_alloc_node+0xe3/0x730
[  387.255327]  ? ipv6_get_ifaddr+0x42e/0x620
[  387.259570]  __alloc_skb+0x119/0x770
[  387.263285]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  387.268569]  ? netdev_alloc_frag+0x1f0/0x1f0
[  387.272983]  ? lock_downgrade+0x900/0x900
[  387.277148]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.282686]  ? refcount_sub_and_test_checked+0x203/0x310
[  387.288155]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  387.293626]  ? addrconf_rs_timer+0x690/0x690
[  387.298048]  ndisc_alloc_skb+0x144/0x340
[  387.302116]  ndisc_send_rs+0x331/0x6e0
[  387.306010]  addrconf_rs_timer+0x314/0x690
[  387.310250]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.314498]  call_timer_fn+0x272/0x920
[  387.318385]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.322621]  ? process_timeout+0x40/0x40
[  387.326692]  ? __run_timers+0x7da/0xc70
[  387.330685]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.335192]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.339685]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.343935]  ? lockdep_hardirqs_on+0x296/0x5b0
[  387.348523]  ? trace_hardirqs_on+0xbd/0x310
[  387.352847]  ? kasan_check_read+0x11/0x20
[  387.356999]  ? __run_timers+0x7da/0xc70
[  387.360975]  ? trace_hardirqs_off_caller+0x310/0x310
[  387.366085]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.370323]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.374557]  __run_timers+0x7e5/0xc70
[  387.378369]  ? timer_fixup_init+0x70/0x70
[  387.382519]  ? kasan_check_read+0x11/0x20
[  387.386686]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  387.391975]  ? rcu_softirq_qs+0x20/0x20
[  387.395955]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.401497]  ? check_preemption_disabled+0x48/0x280
[  387.406522]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  387.411286]  ? retint_kernel+0x2d/0x2d
[  387.415176]  ? trace_hardirqs_on_caller+0xc0/0x310
[  387.420111]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  387.424868]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  387.430326]  ? zap_class+0x640/0x640
[  387.434054]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.439593]  ? check_preemption_disabled+0x48/0x280
[  387.444622]  ? __lock_is_held+0xb5/0x140
[  387.448687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.454238]  ? check_preemption_disabled+0x48/0x280
[  387.459260]  run_timer_softirq+0x52/0xb0
[  387.463324]  ? rcu_read_lock_sched_held+0x14f/0x180
[  387.468345]  __do_softirq+0x308/0xb7e
[  387.472152]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  387.476649]  ? lock_downgrade+0x900/0x900
[  387.480800]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  387.485913]  ? pvclock_read_flags+0x160/0x160
[  387.490412]  ? lapic_next_event+0x5a/0x90
[  387.494570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.500115]  ? kvm_clock_read+0x18/0x30
[  387.504092]  ? kvm_sched_clock_read+0x9/0x20
[  387.508505]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.514046]  ? check_preemption_disabled+0x48/0x280
[  387.519072]  irq_exit+0x17f/0x1c0
[  387.522534]  smp_apic_timer_interrupt+0x1cb/0x760
[  387.527377]  ? smp_reschedule_interrupt+0x109/0x650
[  387.532397]  ? smp_call_function_single_interrupt+0x650/0x650
[  387.538287]  ? interrupt_entry+0xb5/0xc0
[  387.542354]  ? trace_hardirqs_off_caller+0xbb/0x310
[  387.547373]  ? trace_hardirqs_off_caller+0xbb/0x310
[  387.552393]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  387.557240]  ? trace_hardirqs_on_caller+0x310/0x310
[  387.562265]  ? trace_hardirqs_on_caller+0x310/0x310
[  387.567280]  ? task_prio+0x50/0x50
[  387.570826]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.576367]  ? check_preemption_disabled+0x48/0x280
[  387.581393]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  387.586247]  apic_timer_interrupt+0xf/0x20
[  387.590477]  </IRQ>
[  387.592734] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  387.597668] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 14
[  387.616572] RSP: 0000:ffff8801bf14f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  387.624284] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  387.631552] RDX: 0000000000000000 RSI: ffff8801b68a4c40 RDI: 0000000000000286
[  387.638823] RBP: ffff8801bf14f7a0 R08: ffff8801b68a43c0 R09: 0000000000000000
[  387.646089] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  387.653356] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  387.660673]  skb_clone+0x1bb/0x500
[  387.664217]  ? finish_task_switch+0x2f4/0x910
[  387.668728]  ? skb_split+0x11e0/0x11e0
[  387.672621]  ? preempt_notifier_register+0x200/0x200
[  387.677739]  ? __switch_to_asm+0x34/0x70
[  387.681808]  ? __switch_to_asm+0x34/0x70
[  387.685887]  ? __switch_to_asm+0x40/0x70
[  387.689951]  ? __switch_to_asm+0x34/0x70
[  387.694010]  ? __switch_to_asm+0x40/0x70
[  387.698070]  ? __switch_to_asm+0x34/0x70
[  387.702135]  ? __switch_to_asm+0x40/0x70
[  387.706199]  ? __switch_to_asm+0x34/0x70
[  387.710262]  ? __switch_to_asm+0x34/0x70
[  387.714326]  ? __switch_to_asm+0x40/0x70
[  387.718388]  ? __switch_to_asm+0x34/0x70
[  387.722462]  bpf_clone_redirect+0xb9/0x490
[  387.726706]  ? __schedule+0x8d7/0x21d0
[  387.730621]  bpf_prog_bebbfe2050753572+0x6c2/0x1000
[  387.735639]  ? __sched_text_start+0x8/0x8
[  387.739790]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  387.744551]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  387.749134]  ? retint_kernel+0x2d/0x2d
[  387.753029]  ? find_held_lock+0x36/0x1c0
[  387.757105]  ? lock_acquire+0x1ed/0x520
[  387.761078]  ? bpf_test_run+0x3cb/0x780
[  387.765076]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.771141]  ? check_preemption_disabled+0x48/0x280
[  387.776167]  ? kasan_check_read+0x11/0x20
[  387.780319]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  387.785626]  ? rcu_softirq_qs+0x20/0x20
[  387.789601]  ? preempt_schedule+0x4d/0x60
[  387.793755]  ? ___preempt_schedule+0x16/0x18
[  387.798176]  ? bpf_test_run+0x25d/0x780
[  387.802161]  ? netlink_diag_dump+0x2a0/0x2a0
[  387.806581]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.812118]  ? bpf_test_init.isra.10+0x70/0x100
[  387.816880]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  387.821670]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  387.826518]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  387.832062]  ? fput+0x130/0x1a0
[  387.835348]  ? __bpf_prog_get+0x9b/0x290
[  387.839414]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  387.844261]  ? bpf_prog_test_run+0x130/0x1a0
[  387.848690]  ? __x64_sys_bpf+0x3d8/0x520
[  387.852766]  ? bpf_prog_get+0x20/0x20
[  387.856594]  ? do_syscall_64+0x1b9/0x820
[  387.860943]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  387.866317]  ? syscall_return_slowpath+0x5e0/0x5e0
[  387.871262]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  387.876146]  ? trace_hardirqs_on_caller+0x310/0x310
[  387.881181]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  387.886204]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.891756]  ? prepare_exit_to_usermode+0x291/0x3b0
[  387.896781]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  387.901636]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  387.907235] CPU: 1 PID: 5666 Comm: syz-fuzzer Not tainted 4.19.0+ #74
[  387.907299] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  387.913813] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  387.913819] Call Trace:
[  387.913826]  <IRQ>
[  387.913843]  dump_stack+0x244/0x39d
[  387.913860]  ? dump_stack_print_info.cold.1+0x20/0x20
[  387.920439] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  387.929726]  warn_alloc.cold.116+0xb7/0x1bd
[  387.932284] syz-executor5 cpuset=syz5 mems_allowed=0
[  387.934431]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  387.967929]  ? lock_downgrade+0x900/0x900
[  387.972090]  ? trace_hardirqs_off+0xb8/0x310
[  387.976507]  ? trace_hardirqs_off+0xb8/0x310
[  387.980929]  __alloc_pages_slowpath+0x26e8/0x2e10
[  387.985807]  ? warn_alloc+0x120/0x120
[  387.989632]  ? print_usage_bug+0xc0/0xc0
[  387.993702]  ? warn_alloc+0x120/0x120
[  387.997520]  ? warn_alloc+0x120/0x120
[  388.001325]  ? print_usage_bug+0xc0/0xc0
[  388.005388]  ? kvm_clock_read+0x18/0x30
[  388.009363]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  388.014386]  ? print_usage_bug+0xc0/0xc0
[  388.018454]  ? __lock_acquire+0x62f/0x4c20
[  388.022697]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.028247]  ? should_fail+0x22d/0xd01
[  388.032133]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.037421]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  388.042536]  ? __lock_acquire+0x62f/0x4c20
[  388.046780]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  388.051888]  ? __lock_acquire+0x62f/0x4c20
[  388.056124]  ? should_fail+0x22d/0xd01
[  388.060014]  ? rcu_irq_exit+0x1a2/0x390
[  388.064005]  ? mark_held_locks+0x130/0x130
[  388.068251]  ? mark_held_locks+0x130/0x130
[  388.072496]  ? mark_held_locks+0xc7/0x130
[  388.076646]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  388.081664]  ? zap_class+0x640/0x640
[  388.085379]  ? print_usage_bug+0xc0/0xc0
[  388.089452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.094993]  ? check_preemption_disabled+0x48/0x280
[  388.100029]  ? __lock_is_held+0xb5/0x140
[  388.104100]  __alloc_pages_nodemask+0xa80/0xde0
[  388.108773]  ? zap_class+0x640/0x640
[  388.112498]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  388.117527]  ? find_held_lock+0x36/0x1c0
[  388.121600]  ? ____cache_alloc_node+0x1c7/0x1e0
[  388.126277]  ? lock_downgrade+0x900/0x900
[  388.130452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.135997]  cache_grow_begin+0xa5/0x8c0
[  388.140059]  ? do_raw_spin_unlock+0xa7/0x330
[  388.144476]  fallback_alloc+0x204/0x2e0
[  388.148461]  ____cache_alloc_node+0x1c7/0x1e0
[  388.152965]  kmem_cache_alloc_node+0xe3/0x730
[  388.157462]  ? ipv6_get_ifaddr+0x42e/0x620
[  388.161707]  __alloc_skb+0x119/0x770
[  388.165433]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.170729]  ? netdev_alloc_frag+0x1f0/0x1f0
[  388.175142]  ? lock_downgrade+0x900/0x900
[  388.179302]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.184842]  ? refcount_sub_and_test_checked+0x203/0x310
[  388.190303]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  388.195759]  ? addrconf_rs_timer+0x690/0x690
[  388.200184]  ndisc_alloc_skb+0x144/0x340
[  388.204252]  ndisc_send_rs+0x331/0x6e0
[  388.208146]  addrconf_rs_timer+0x314/0x690
[  388.212389]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.216639]  call_timer_fn+0x272/0x920
[  388.220525]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.224761]  ? process_timeout+0x40/0x40
[  388.228834]  ? mark_held_locks+0xc7/0x130
[  388.232989]  ? _raw_spin_unlock_irq+0x27/0x80
[  388.237492]  ? _raw_spin_unlock_irq+0x27/0x80
[  388.241988]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.246238]  ? lockdep_hardirqs_on+0x296/0x5b0
[  388.250829]  ? trace_hardirqs_on+0xbd/0x310
[  388.255158]  ? kasan_check_read+0x11/0x20
[  388.259327]  ? __run_timers+0x7da/0xc70
[  388.263305]  ? trace_hardirqs_off_caller+0x310/0x310
[  388.268416]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.272659]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.276896]  __run_timers+0x7e5/0xc70
[  388.280721]  ? timer_fixup_init+0x70/0x70
[  388.284879]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  388.289898]  ? zap_class+0x640/0x640
[  388.293621]  ? print_usage_bug+0xc0/0xc0
[  388.297687]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  388.302895]  ? find_held_lock+0x36/0x1c0
[  388.306964]  ? zap_class+0x640/0x640
[  388.310690]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.316243]  ? check_preemption_disabled+0x48/0x280
[  388.321269]  ? __lock_is_held+0xb5/0x140
[  388.325334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.330873]  ? check_preemption_disabled+0x48/0x280
[  388.335900]  run_timer_softirq+0x52/0xb0
[  388.339961]  ? rcu_read_lock_sched_held+0x14f/0x180
[  388.344978]  __do_softirq+0x308/0xb7e
[  388.348787]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  388.353281]  ? lock_downgrade+0x900/0x900
[  388.357435]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  388.362549]  ? pvclock_read_flags+0x160/0x160
[  388.367050]  ? lapic_next_event+0x5a/0x90
[  388.371203]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.376758]  ? kvm_clock_read+0x18/0x30
[  388.380738]  ? kvm_sched_clock_read+0x9/0x20
[  388.385162]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.390703]  ? check_preemption_disabled+0x48/0x280
[  388.395745]  irq_exit+0x17f/0x1c0
[  388.399205]  smp_apic_timer_interrupt+0x1cb/0x760
[  388.404056]  ? smp_reschedule_interrupt+0x109/0x650
[  388.409075]  ? smp_call_function_single_interrupt+0x650/0x650
[  388.414965]  ? interrupt_entry+0xb5/0xc0
[  388.419034]  ? trace_hardirqs_off_caller+0xbb/0x310
[  388.424051]  ? trace_hardirqs_off_caller+0xbb/0x310
[  388.429072]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  388.433923]  ? trace_hardirqs_on_caller+0x310/0x310
[  388.438943]  ? trace_hardirqs_on_caller+0x310/0x310
[  388.443978]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  388.448835]  apic_timer_interrupt+0xf/0x20
[  388.453066]  </IRQ>
[  388.455306] RIP: 0010:dump_stack+0x358/0x39d
[  388.459723] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 a1 9c fd f9 48 83 3d 29 00 8d 01 00 0f 84 63 fe ff ff e8 ee 69 ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db 69 ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  388.478627] RSP: 0000:ffff8801b9cce1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  388.486340] RAX: ffff8801d71b2040 RBX: 1ffffffff12a3f46 RCX: 1ffff1003ae36526
[  388.493606] RDX: 0000000000000000 RSI: ffffffff87c4fa12 RDI: 0000000000000293
[  388.500877] RBP: ffff8801b9cce290 R08: ffff8801d71b2930 R09: 0000000000000006
[  388.508145] R10: 0000000000000000 R11: ffff8801d71b2040 R12: 1ffff10037399c45
[  388.515414] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  388.522704]  ? dump_stack+0x34f/0x39d
[  388.526531]  ? dump_stack_print_info.cold.1+0x20/0x20
[  388.531736]  ? mark_held_locks+0x130/0x130
[  388.535974]  ? mark_held_locks+0x130/0x130
[  388.540219]  dump_header+0x27b/0xf72
[  388.543959]  ? pagefault_out_of_memory+0x197/0x197
[  388.548904]  ? __lock_acquire+0x62f/0x4c20
[  388.553141]  ? percpu_ref_get_many+0x240/0x240
[  388.557735]  ? print_usage_bug+0xc0/0xc0
[  388.561982]  ? zap_class+0x640/0x640
[  388.565699]  ? print_usage_bug+0xc0/0xc0
[  388.569769]  ? print_usage_bug+0xc0/0xc0
[  388.573837]  ? zap_class+0x640/0x640
[  388.577560]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.583105]  ? find_held_lock+0x36/0x1c0
[  388.587181]  ? mark_held_locks+0xc7/0x130
[  388.591342]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  388.596453]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  388.601561]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  388.606153]  ? trace_hardirqs_on+0xbd/0x310
[  388.610479]  ? kasan_check_read+0x11/0x20
[  388.614631]  ? ___ratelimit+0x3b4/0x672
[  388.618610]  ? trace_hardirqs_off_caller+0x310/0x310
[  388.623727]  ? trace_hardirqs_on+0x310/0x310
[  388.628144]  ? lock_downgrade+0x900/0x900
[  388.632304]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  388.637413]  ? ___ratelimit+0x3b9/0x672
[  388.641393]  ? idr_get_free+0xf80/0xf80
[  388.645369]  ? find_held_lock+0x36/0x1c0
[  388.649445]  oom_kill_process.cold.27+0x10/0x903
[  388.654204]  ? zap_class+0x640/0x640
[  388.657928]  ? check_preemption_disabled+0x48/0x280
[  388.662952]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  388.667885]  ? kasan_check_read+0x11/0x20
[  388.672038]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.677324]  ? oom_evaluate_task+0x540/0x540
[  388.681743]  ? find_held_lock+0x36/0x1c0
[  388.685817]  ? out_of_memory+0x974/0x1430
[  388.689972]  ? lock_downgrade+0x900/0x900
[  388.694124]  ? check_preemption_disabled+0x48/0x280
[  388.699144]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  388.704074]  ? kasan_check_read+0x11/0x20
[  388.708225]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.713502]  ? rcu_softirq_qs+0x20/0x20
[  388.717484]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.723126]  ? oom_evaluate_task+0x302/0x540
[  388.727545]  out_of_memory+0xa84/0x1430
[  388.731533]  ? oom_killer_disable+0x3a0/0x3a0
[  388.736032]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  388.740972]  ? __ww_mutex_check_waiters+0x160/0x160
[  388.746003]  __alloc_pages_slowpath+0x2354/0x2e10
[  388.750878]  ? warn_alloc+0x120/0x120
[  388.754684]  ? mark_held_locks+0x130/0x130
[  388.758938]  ? find_get_entry+0xaae/0x1120
[  388.763187]  ? filemap_map_pages+0x1a20/0x1a20
[  388.767776]  ? zap_class+0x640/0x640
[  388.771499]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.777041]  ? check_preemption_disabled+0x48/0x280
[  388.782060]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.787597]  ? should_fail+0x22d/0xd01
[  388.791490]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  388.796599]  ? zap_class+0x640/0x640
[  388.800342]  ? __lock_is_held+0xb5/0x140
[  388.804432]  ? mark_held_locks+0x130/0x130
[  388.808673]  ? lock_release+0xa00/0xa00
[  388.812653]  ? perf_trace_sched_process_exec+0x860/0x860
[  388.818106]  ? xa_load+0x2ba/0x460
[  388.821653]  ? lock_downgrade+0x900/0x900
[  388.825812]  ? __might_sleep+0x95/0x190
[  388.829800]  __alloc_pages_nodemask+0xa80/0xde0
[  388.834484]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  388.839504]  ? __page_cache_alloc+0x191/0x5c0
[  388.843997]  ? xa_load+0x2e1/0x460
[  388.847538]  ? xa_clear_mark+0x40/0x40
[  388.851428]  ? zap_class+0x640/0x640
[  388.855153]  ? zap_class+0x640/0x640
[  388.858868]  ? zap_class+0x640/0x640
[  388.862585]  ? __do_page_cache_readahead+0x663/0x810
[  388.867695]  ? find_held_lock+0x36/0x1c0
[  388.871773]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  388.877322]  alloc_pages_current+0x173/0x350
[  388.881759]  __page_cache_alloc+0x38c/0x5c0
[  388.886083]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  388.891013]  ? kasan_check_read+0x11/0x20
[  388.895162]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.900445]  ? generic_perform_write+0x6a0/0x6a0
[  388.905203]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.910752]  ? check_preemption_disabled+0x48/0x280
[  388.915778]  filemap_fault+0x1595/0x25f0
[  388.919854]  ? __lock_page_or_retry+0xa00/0xa00
[  388.924531]  ? mark_held_locks+0x130/0x130
[  388.928780]  ? filemap_map_pages+0xd6b/0x1a20
[  388.933282]  ? lock_downgrade+0x900/0x900
[  388.937432]  ? check_preemption_disabled+0x48/0x280
[  388.942454]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  388.947384]  ? kasan_check_read+0x11/0x20
[  388.951535]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.956813]  ? rcu_softirq_qs+0x20/0x20
[  388.960806]  ? filemap_map_pages+0xd92/0x1a20
[  388.965315]  ? __lock_acquire+0x62f/0x4c20
[  388.969558]  ? find_get_entries_tag+0x1400/0x1400
[  388.974420]  ? lock_acquire+0x1ed/0x520
[  388.978400]  ? ext4_filemap_fault+0x7a/0xad
[  388.982760]  ? lock_release+0xa00/0xa00
[  388.986743]  ? perf_trace_sched_process_exec+0x860/0x860
[  388.992195]  ? print_usage_bug+0xc0/0xc0
[  388.996265]  ? print_usage_bug+0xc0/0xc0
[  389.000338]  ? down_read+0x8d/0x120
[  389.003965]  ? ext4_filemap_fault+0x7a/0xad
[  389.008286]  ? __down_interruptible+0x700/0x700
[  389.012968]  ext4_filemap_fault+0x82/0xad
[  389.017123]  __do_fault+0x100/0x6b0
[  389.020776]  ? pmd_devmap_trans_unstable+0x220/0x220
[  389.025888]  ? mark_held_locks+0x130/0x130
[  389.030126]  ? mark_held_locks+0x130/0x130
[  389.034362]  ? __might_fault+0x12b/0x1e0
[  389.038428]  ? lock_downgrade+0x900/0x900
[  389.042582]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.048125]  __handle_mm_fault+0x3ea6/0x5be0
[  389.052544]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  389.057395]  ? kasan_check_read+0x11/0x20
[  389.061548]  ? _copy_to_user+0xc8/0x110
[  389.065528]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.071077]  ? zap_class+0x640/0x640
[  389.074789]  ? zap_class+0x640/0x640
[  389.078513]  ? find_held_lock+0x36/0x1c0
[  389.082584]  ? handle_mm_fault+0x42a/0xc70
[  389.086844]  ? lock_downgrade+0x900/0x900
[  389.090995]  ? check_preemption_disabled+0x48/0x280
[  389.096018]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  389.100952]  ? kasan_check_read+0x11/0x20
[  389.105103]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  389.110384]  ? rcu_softirq_qs+0x20/0x20
[  389.114363]  ? trace_hardirqs_off_caller+0x310/0x310
[  389.119470]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.125013]  ? check_preemption_disabled+0x48/0x280
[  389.130041]  handle_mm_fault+0x54f/0xc70
[  389.134110]  ? __handle_mm_fault+0x5be0/0x5be0
[  389.138700]  ? find_vma+0x34/0x190
[  389.142259]  __do_page_fault+0x5e8/0xe60
[  389.146325]  ? trace_hardirqs_off+0xb8/0x310
[  389.150752]  ? retint_kernel+0x2d/0x2d
[  389.154654]  do_page_fault+0xf2/0x7e0
[  389.158462]  ? vmalloc_sync_all+0x30/0x30
[  389.162612]  ? error_entry+0x70/0xd0
[  389.166331]  ? trace_hardirqs_off_caller+0xbb/0x310
[  389.171346]  ? trace_hardirqs_on_caller+0xc0/0x310
[  389.176278]  ? syscall_return_slowpath+0x5e0/0x5e0
[  389.181207]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.186055]  ? trace_hardirqs_on_caller+0x310/0x310
[  389.191071]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  389.196530]  ? prepare_exit_to_usermode+0x291/0x3b0
[  389.201553]  ? page_fault+0x8/0x30
[  389.205102]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.209952]  ? page_fault+0x8/0x30
[  389.213497]  page_fault+0x1e/0x30
[  389.216951] RIP: 0033:0x45d911
[  389.220156] Code: Bad RIP value.
[  389.223517] RSP: 002b:000000c420035f18 EFLAGS: 00010246
[  389.228878] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 000000000045d911
[  389.236148] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  389.243418] RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
[  389.250690] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  389.257967] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  389.265268] warn_alloc_show_mem: 1 callbacks suppressed
[  389.265281] CPU: 0 PID: 11721 Comm: syz-executor5 Not tainted 4.19.0+ #74
[  389.265283] Mem-Info:
[  389.265314] active_anon:50643 inactive_anon:847 isolated_anon:0
[  389.265314]  active_file:14 inactive_file:13 isolated_file:0
[  389.265314]  unevictable:0 dirty:0 writeback:0 unstable:0
[  389.265314]  slab_reclaimable:9230 slab_unreclaimable:1469886
[  389.265314]  mapped:49154 shmem:854 pagetables:629 bounce:0
[  389.265314]  free:13794 free_pcp:158 free_cma:0
[  389.270653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  389.270662] Call Trace:
[  389.277613] Node 0 active_anon:202572kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3416kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  389.280016]  <IRQ>
[  389.312892] 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
[  389.322258]  dump_stack+0x244/0x39d
[  389.324817] lowmem_reserve[]: 0 2818 6321 6321
[  389.352505]  ? dump_stack_print_info.cold.1+0x20/0x20
[  389.354630] Node 0 DMA32 free:25280kB min:30052kB low:37564kB high:45076kB active_anon:236kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  389.380764]  warn_alloc.cold.116+0xb7/0x1bd
[  389.384364] lowmem_reserve[]: 0 0 3503 3503
[  389.388943]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  389.394113] Node 0 Normal free:13988kB min:37364kB low:46704kB high:56044kB active_anon:202336kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:412kB local_pcp:252kB free_cma:0kB
[  389.421621]  ? lock_downgrade+0x900/0x900
[  389.425918] lowmem_reserve[]: 0 0 0 0
[  389.430242]  ? trace_hardirqs_off+0xb8/0x310
[  389.435058] 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
[  389.464044]  ? trace_hardirqs_off+0xb8/0x310
[  389.468173] Node 0 DMA32: 2*4kB (H) 3*8kB (UMH) 2*16kB (M) 2*32kB (MH) 5*64kB (MH) 4*128kB (M) 5*256kB (MH) 5*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 25280kB
[  389.471972]  __alloc_pages_slowpath+0x26e8/0x2e10
[  389.476349] Node 0 Normal: 737*4kB (UMEH) 442*8kB (UME) 213*16kB (UME) 70*32kB (UME) 7*64kB (UMH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13988kB
[  389.489901]  ? warn_alloc+0x120/0x120
[  389.494272] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  389.509700]  ? print_usage_bug+0xc0/0xc0
[  389.514539] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  389.529881]  ? warn_alloc+0x120/0x120
[  389.533658] 881 total pagecache pages
[  389.542486]  ? warn_alloc+0x120/0x120
[  389.546532] 0 pages in swap cache
[  389.555094]  ? print_usage_bug+0xc0/0xc0
[  389.558874] Swap cache stats: add 0, delete 0, find 0/0
[  389.562667]  ? print_usage_bug+0xc0/0xc0
[  389.566461] Free swap  = 0kB
[  389.569906]  ? __lock_acquire+0x62f/0x4c20
[  389.573942] Total swap = 0kB
[  389.579300]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.583334] 1965979 pages RAM
[  389.586345]  ? should_fail+0x22d/0xd01
[  389.590552] 0 pages HighMem/MovableOnly
[  389.593564]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  389.599079] 342858 pages reserved
[  389.602176]  ? __lock_acquire+0x62f/0x4c20
[  389.606037] 0 pages cma reserved
[  389.610008]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  389.615148] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  389.618528]  ? __lock_acquire+0x62f/0x4c20
[  389.618544]  ? should_fail+0x22d/0xd01
[  389.622851] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  389.626128]  ? mark_held_locks+0x130/0x130
[  389.631208] syz-fuzzer cpuset=/ mems_allowed=0
[  389.637694]  ? mark_held_locks+0x130/0x130
[  389.669003]  ? try_to_wake_up+0x11c/0x1490
[  389.673241]  ? lock_downgrade+0x900/0x900
[  389.677396]  ? zap_class+0x640/0x640
[  389.681110]  ? print_usage_bug+0xc0/0xc0
[  389.685174]  ? trace_hardirqs_off+0xb8/0x310
[  389.689592]  ? kasan_check_read+0x11/0x20
[  389.693766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.699318]  ? check_preemption_disabled+0x48/0x280
[  389.704353]  ? __lock_is_held+0xb5/0x140
[  389.708426]  __alloc_pages_nodemask+0xa80/0xde0
[  389.713106]  ? zap_class+0x640/0x640
[  389.716833]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  389.721868]  ? find_held_lock+0x36/0x1c0
[  389.725946]  ? ____cache_alloc_node+0x1c7/0x1e0
[  389.730618]  ? lock_downgrade+0x900/0x900
[  389.734780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.740324]  cache_grow_begin+0xa5/0x8c0
[  389.744387]  ? do_raw_spin_unlock+0xa7/0x330
[  389.748805]  fallback_alloc+0x204/0x2e0
[  389.752794]  ____cache_alloc_node+0x1c7/0x1e0
[  389.757299]  kmem_cache_alloc_node+0xe3/0x730
[  389.761798]  ? ipv6_get_ifaddr+0x42e/0x620
[  389.766045]  __alloc_skb+0x119/0x770
[  389.769760]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  389.775559]  ? netdev_alloc_frag+0x1f0/0x1f0
[  389.780004]  ? lock_downgrade+0x900/0x900
[  389.784162]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.789736]  ? refcount_sub_and_test_checked+0x203/0x310
[  389.795193]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  389.800647]  ? addrconf_rs_timer+0x690/0x690
[  389.805071]  ndisc_alloc_skb+0x144/0x340
[  389.809143]  ndisc_send_rs+0x331/0x6e0
[  389.813040]  addrconf_rs_timer+0x314/0x690
[  389.817282]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.821531]  call_timer_fn+0x272/0x920
[  389.825421]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.829663]  ? process_timeout+0x40/0x40
[  389.833747]  ? __run_timers+0x7da/0xc70
[  389.837744]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.842242]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.846744]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.850984]  ? lockdep_hardirqs_on+0x296/0x5b0
[  389.855572]  ? trace_hardirqs_on+0xbd/0x310
[  389.860299]  ? kasan_check_read+0x11/0x20
[  389.864452]  ? __run_timers+0x7da/0xc70
[  389.868437]  ? trace_hardirqs_off_caller+0x310/0x310
[  389.873549]  ? __queue_work+0x1440/0x1440
[  389.877707]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.881957]  __run_timers+0x7e5/0xc70
[  389.885775]  ? timer_fixup_init+0x70/0x70
[  389.889927]  ? kasan_check_read+0x11/0x20
[  389.894081]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  389.899357]  ? rcu_softirq_qs+0x20/0x20
[  389.903543]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.909097]  ? check_preemption_disabled+0x48/0x280
[  389.914127]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  389.918889]  ? retint_kernel+0x2d/0x2d
[  389.922781]  ? trace_hardirqs_on_caller+0xc0/0x310
[  389.927729]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  389.932490]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  389.937964]  ? zap_class+0x640/0x640
[  389.941688]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.947243]  ? check_preemption_disabled+0x48/0x280
[  389.952270]  ? __lock_is_held+0xb5/0x140
[  389.956335]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.961880]  ? check_preemption_disabled+0x48/0x280
[  389.966905]  run_timer_softirq+0x52/0xb0
[  389.970968]  ? rcu_read_lock_sched_held+0x14f/0x180
[  389.975987]  __do_softirq+0x308/0xb7e
[  389.979796]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  389.984291]  ? lock_downgrade+0x900/0x900
[  389.988446]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  389.993558]  ? pvclock_read_flags+0x160/0x160
[  389.998057]  ? lapic_next_event+0x5a/0x90
[  390.002210]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.007759]  ? kvm_clock_read+0x18/0x30
[  390.011748]  ? kvm_sched_clock_read+0x9/0x20
[  390.016164]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.021705]  ? check_preemption_disabled+0x48/0x280
[  390.026764]  irq_exit+0x17f/0x1c0
[  390.030226]  smp_apic_timer_interrupt+0x1cb/0x760
[  390.035070]  ? smp_reschedule_interrupt+0x109/0x650
[  390.040091]  ? smp_call_function_single_interrupt+0x650/0x650
[  390.045980]  ? interrupt_entry+0xb5/0xc0
[  390.050050]  ? trace_hardirqs_off_caller+0xbb/0x310
[  390.055088]  ? trace_hardirqs_off_caller+0xbb/0x310
[  390.060108]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  390.064952]  ? trace_hardirqs_on_caller+0x310/0x310
[  390.069970]  ? trace_hardirqs_on_caller+0x310/0x310
[  390.074990]  ? task_prio+0x50/0x50
[  390.078537]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.084079]  ? check_preemption_disabled+0x48/0x280
[  390.089102]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  390.093955]  apic_timer_interrupt+0xf/0x20
[  390.098187]  </IRQ>
[  390.100457] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  390.105391] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 14
[  390.124299] RSP: 0000:ffff8801bf14f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  390.132011] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  390.139296] RDX: 0000000000000000 RSI: ffff8801b68a4c40 RDI: 0000000000000286
[  390.146576] RBP: ffff8801bf14f7a0 R08: ffff8801b68a43c0 R09: 0000000000000000
[  390.153847] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  390.161121] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  390.168437]  skb_clone+0x1bb/0x500
[  390.171983]  ? finish_task_switch+0x2f4/0x910
[  390.176479]  ? skb_split+0x11e0/0x11e0
[  390.180373]  ? preempt_notifier_register+0x200/0x200
[  390.185477]  ? __switch_to_asm+0x34/0x70
[  390.189561]  ? __switch_to_asm+0x34/0x70
[  390.193626]  ? __switch_to_asm+0x40/0x70
[  390.197685]  ? __switch_to_asm+0x34/0x70
[  390.201774]  ? __switch_to_asm+0x40/0x70
[  390.205839]  ? __switch_to_asm+0x34/0x70
[  390.209904]  ? __switch_to_asm+0x40/0x70
[  390.213967]  ? __switch_to_asm+0x34/0x70
[  390.218037]  ? __switch_to_asm+0x34/0x70
[  390.222121]  ? __switch_to_asm+0x40/0x70
[  390.226185]  ? __switch_to_asm+0x34/0x70
[  390.230259]  bpf_clone_redirect+0xb9/0x490
[  390.234501]  ? __schedule+0x8d7/0x21d0
[  390.238399]  bpf_prog_bebbfe2050753572+0x6c2/0x1000
[  390.243420]  ? __sched_text_start+0x8/0x8
[  390.247572]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  390.252334]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  390.256919]  ? retint_kernel+0x2d/0x2d
[  390.260818]  ? find_held_lock+0x36/0x1c0
[  390.264894]  ? lock_acquire+0x1ed/0x520
[  390.268875]  ? bpf_test_run+0x3cb/0x780
[  390.272858]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.278401]  ? check_preemption_disabled+0x48/0x280
[  390.283430]  ? kasan_check_read+0x11/0x20
[  390.287583]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  390.292869]  ? rcu_softirq_qs+0x20/0x20
[  390.296851]  ? preempt_schedule+0x4d/0x60
[  390.301003]  ? ___preempt_schedule+0x16/0x18
[  390.305426]  ? bpf_test_run+0x25d/0x780
[  390.309413]  ? netlink_diag_dump+0x2a0/0x2a0
[  390.313830]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  390.319364]  ? bpf_test_init.isra.10+0x70/0x100
[  390.324038]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  390.328807]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  390.333654]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  390.339195]  ? fput+0x130/0x1a0
[  390.342480]  ? __bpf_prog_get+0x9b/0x290
[  390.346547]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  390.351580]  ? bpf_prog_test_run+0x130/0x1a0
[  390.355995]  ? __x64_sys_bpf+0x3d8/0x520
[  390.360061]  ? bpf_prog_get+0x20/0x20
[  390.363893]  ? do_syscall_64+0x1b9/0x820
[  390.367957]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  390.373330]  ? syscall_return_slowpath+0x5e0/0x5e0
[  390.378258]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  390.383107]  ? trace_hardirqs_on_caller+0x310/0x310
[  390.388131]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  390.393154]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.398695]  ? prepare_exit_to_usermode+0x291/0x3b0
[  390.403760]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  390.408638]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  390.414029] CPU: 1 PID: 5666 Comm: syz-fuzzer Not tainted 4.19.0+ #74
[  390.414097] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  390.420611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  390.420620] Call Trace:
[  390.427196] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  390.436452]  <IRQ>
[  390.439026] syz-executor5 cpuset=syz5 mems_allowed=0
[  390.449516]  dump_stack+0x244/0x39d
[  390.460371]  ? dump_stack_print_info.cold.1+0x20/0x20
[  390.465579]  warn_alloc.cold.116+0xb7/0x1bd
[  390.469909]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  390.474758]  ? lock_downgrade+0x900/0x900
[  390.478916]  ? trace_hardirqs_off+0xb8/0x310
[  390.483336]  ? trace_hardirqs_off+0xb8/0x310
[  390.487762]  __alloc_pages_slowpath+0x26e8/0x2e10
[  390.492639]  ? warn_alloc+0x120/0x120
[  390.496451]  ? print_usage_bug+0xc0/0xc0
[  390.500521]  ? warn_alloc+0x120/0x120
[  390.504333]  ? warn_alloc+0x120/0x120
[  390.508136]  ? print_usage_bug+0xc0/0xc0
[  390.512199]  ? kvm_clock_read+0x18/0x30
[  390.516182]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  390.521209]  ? print_usage_bug+0xc0/0xc0
[  390.525281]  ? __lock_acquire+0x62f/0x4c20
[  390.529524]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  390.535069]  ? should_fail+0x22d/0xd01
[  390.538959]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  390.544251]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  390.549361]  ? __lock_acquire+0x62f/0x4c20
[  390.553609]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  390.558724]  ? __lock_acquire+0x62f/0x4c20
[  390.562963]  ? should_fail+0x22d/0xd01
[  390.566860]  ? rcu_irq_exit+0x1a2/0x390
[  390.570853]  ? mark_held_locks+0x130/0x130
[  390.575098]  ? mark_held_locks+0x130/0x130
[  390.579362]  ? mark_held_locks+0xc7/0x130
[  390.583513]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  390.588533]  ? zap_class+0x640/0x640
[  390.592260]  ? print_usage_bug+0xc0/0xc0
[  390.596330]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.601877]  ? check_preemption_disabled+0x48/0x280
[  390.606910]  ? __lock_is_held+0xb5/0x140
[  390.610981]  __alloc_pages_nodemask+0xa80/0xde0
[  390.615652]  ? zap_class+0x640/0x640
[  390.619377]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  390.624675]  ? find_held_lock+0x36/0x1c0
[  390.628762]  ? ____cache_alloc_node+0x1c7/0x1e0
[  390.633440]  ? lock_downgrade+0x900/0x900
[  390.637598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.643146]  cache_grow_begin+0xa5/0x8c0
[  390.647210]  ? do_raw_spin_unlock+0xa7/0x330
[  390.651641]  fallback_alloc+0x204/0x2e0
[  390.655628]  ____cache_alloc_node+0x1c7/0x1e0
[  390.660133]  kmem_cache_alloc_node+0xe3/0x730
[  390.664631]  ? ipv6_get_ifaddr+0x42e/0x620
[  390.668883]  __alloc_skb+0x119/0x770
[  390.672599]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  390.677885]  ? netdev_alloc_frag+0x1f0/0x1f0
[  390.682297]  ? lock_downgrade+0x900/0x900
[  390.686456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.691997]  ? refcount_sub_and_test_checked+0x203/0x310
[  390.697462]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  390.702918]  ? addrconf_rs_timer+0x690/0x690
[  390.707341]  ndisc_alloc_skb+0x144/0x340
[  390.711410]  ndisc_send_rs+0x331/0x6e0
[  390.715304]  addrconf_rs_timer+0x314/0x690
[  390.719567]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.723818]  call_timer_fn+0x272/0x920
[  390.727708]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.731965]  ? process_timeout+0x40/0x40
[  390.736037]  ? mark_held_locks+0xc7/0x130
[  390.740190]  ? _raw_spin_unlock_irq+0x27/0x80
[  390.744718]  ? _raw_spin_unlock_irq+0x27/0x80
[  390.749218]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.753462]  ? lockdep_hardirqs_on+0x296/0x5b0
[  390.758051]  ? trace_hardirqs_on+0xbd/0x310
[  390.762375]  ? kasan_check_read+0x11/0x20
[  390.766522]  ? __run_timers+0x7da/0xc70
[  390.770491]  ? trace_hardirqs_off_caller+0x310/0x310
[  390.775594]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.779837]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.784071]  __run_timers+0x7e5/0xc70
[  390.787887]  ? timer_fixup_init+0x70/0x70
[  390.792065]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  390.797092]  ? zap_class+0x640/0x640
[  390.800823]  ? print_usage_bug+0xc0/0xc0
[  390.804902]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  390.810112]  ? find_held_lock+0x36/0x1c0
[  390.814191]  ? zap_class+0x640/0x640
[  390.817931]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.823840]  ? check_preemption_disabled+0x48/0x280
[  390.828905]  ? __lock_is_held+0xb5/0x140
[  390.832990]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.838557]  ? check_preemption_disabled+0x48/0x280
[  390.843602]  run_timer_softirq+0x52/0xb0
[  390.847692]  ? rcu_read_lock_sched_held+0x14f/0x180
[  390.852749]  __do_softirq+0x308/0xb7e
[  390.856568]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  390.861072]  ? lock_downgrade+0x900/0x900
[  390.865234]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  390.870445]  ? pvclock_read_flags+0x160/0x160
[  390.874957]  ? lapic_next_event+0x5a/0x90
[  390.879117]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.884667]  ? kvm_clock_read+0x18/0x30
[  390.888645]  ? kvm_sched_clock_read+0x9/0x20
[  390.893063]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  390.898622]  ? check_preemption_disabled+0x48/0x280
[  390.903662]  irq_exit+0x17f/0x1c0
[  390.907135]  smp_apic_timer_interrupt+0x1cb/0x760
[  390.911997]  ? smp_reschedule_interrupt+0x109/0x650
[  390.917023]  ? smp_call_function_single_interrupt+0x650/0x650
[  390.922913]  ? interrupt_entry+0xb5/0xc0
[  390.926981]  ? trace_hardirqs_off_caller+0xbb/0x310
[  390.932001]  ? trace_hardirqs_off_caller+0xbb/0x310
[  390.937022]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  390.941867]  ? trace_hardirqs_on_caller+0x310/0x310
[  390.946888]  ? trace_hardirqs_on_caller+0x310/0x310
[  390.951929]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  390.956789]  apic_timer_interrupt+0xf/0x20
[  390.961019]  </IRQ>
[  390.963262] RIP: 0010:dump_stack+0x358/0x39d
[  390.967674] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 a1 9c fd f9 48 83 3d 29 00 8d 01 00 0f 84 63 fe ff ff e8 ee 69 ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db 69 ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  390.986590] RSP: 0000:ffff8801b9cce1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  390.994319] RAX: ffff8801d71b2040 RBX: 1ffffffff12a3f46 RCX: 1ffff1003ae36526
[  391.001589] RDX: 0000000000000000 RSI: ffffffff87c4fa12 RDI: 0000000000000293
[  391.008859] RBP: ffff8801b9cce290 R08: ffff8801d71b2930 R09: 0000000000000006
[  391.016131] R10: 0000000000000000 R11: ffff8801d71b2040 R12: 1ffff10037399c45
[  391.023399] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  391.030692]  ? dump_stack+0x34f/0x39d
[  391.034514]  ? dump_stack_print_info.cold.1+0x20/0x20
[  391.039720]  ? mark_held_locks+0x130/0x130
[  391.043963]  ? mark_held_locks+0x130/0x130
[  391.048209]  dump_header+0x27b/0xf72
[  391.051945]  ? pagefault_out_of_memory+0x197/0x197
[  391.056888]  ? __lock_acquire+0x62f/0x4c20
[  391.061124]  ? percpu_ref_get_many+0x240/0x240
[  391.065718]  ? print_usage_bug+0xc0/0xc0
[  391.069790]  ? zap_class+0x640/0x640
[  391.073511]  ? print_usage_bug+0xc0/0xc0
[  391.077575]  ? print_usage_bug+0xc0/0xc0
[  391.081643]  ? zap_class+0x640/0x640
[  391.085364]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.090908]  ? find_held_lock+0x36/0x1c0
[  391.094980]  ? mark_held_locks+0xc7/0x130
[  391.099133]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  391.104243]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  391.109352]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  391.113942]  ? trace_hardirqs_on+0xbd/0x310
[  391.118269]  ? kasan_check_read+0x11/0x20
[  391.122423]  ? ___ratelimit+0x3b4/0x672
[  391.126403]  ? trace_hardirqs_off_caller+0x310/0x310
[  391.131689]  ? trace_hardirqs_on+0x310/0x310
[  391.136111]  ? lock_downgrade+0x900/0x900
[  391.140272]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  391.145380]  ? ___ratelimit+0x3b9/0x672
[  391.149359]  ? idr_get_free+0xf80/0xf80
[  391.153338]  ? find_held_lock+0x36/0x1c0
[  391.157415]  oom_kill_process.cold.27+0x10/0x903
[  391.162176]  ? zap_class+0x640/0x640
[  391.165896]  ? check_preemption_disabled+0x48/0x280
[  391.170923]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  391.175858]  ? kasan_check_read+0x11/0x20
[  391.180010]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.185298]  ? oom_evaluate_task+0x540/0x540
[  391.189728]  ? find_held_lock+0x36/0x1c0
[  391.193809]  ? out_of_memory+0x974/0x1430
[  391.197966]  ? lock_downgrade+0x900/0x900
[  391.202116]  ? check_preemption_disabled+0x48/0x280
[  391.207139]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  391.212070]  ? kasan_check_read+0x11/0x20
[  391.216220]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.221507]  ? rcu_softirq_qs+0x20/0x20
[  391.225489]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.231027]  ? oom_evaluate_task+0x302/0x540
[  391.235447]  out_of_memory+0xa84/0x1430
[  391.239434]  ? oom_killer_disable+0x3a0/0x3a0
[  391.243934]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  391.248870]  ? __ww_mutex_check_waiters+0x160/0x160
[  391.253905]  __alloc_pages_slowpath+0x2354/0x2e10
[  391.258788]  ? warn_alloc+0x120/0x120
[  391.262592]  ? mark_held_locks+0x130/0x130
[  391.266837]  ? find_get_entry+0xaae/0x1120
[  391.271085]  ? filemap_map_pages+0x1a20/0x1a20
[  391.275674]  ? zap_class+0x640/0x640
[  391.279396]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.284943]  ? check_preemption_disabled+0x48/0x280
[  391.289969]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.295511]  ? should_fail+0x22d/0xd01
[  391.299409]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  391.304521]  ? zap_class+0x640/0x640
[  391.308271]  ? __lock_is_held+0xb5/0x140
[  391.312352]  ? mark_held_locks+0x130/0x130
[  391.316593]  ? lock_release+0xa00/0xa00
[  391.320571]  ? perf_trace_sched_process_exec+0x860/0x860
[  391.326027]  ? xa_load+0x2ba/0x460
[  391.329573]  ? lock_downgrade+0x900/0x900
[  391.333741]  ? __might_sleep+0x95/0x190
[  391.337735]  __alloc_pages_nodemask+0xa80/0xde0
[  391.342416]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  391.347436]  ? __page_cache_alloc+0x191/0x5c0
[  391.351931]  ? xa_load+0x2e1/0x460
[  391.355474]  ? xa_clear_mark+0x40/0x40
[  391.359370]  ? zap_class+0x640/0x640
[  391.363102]  ? zap_class+0x640/0x640
[  391.366818]  ? zap_class+0x640/0x640
[  391.370541]  ? __do_page_cache_readahead+0x663/0x810
[  391.375655]  ? find_held_lock+0x36/0x1c0
[  391.379731]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  391.385280]  alloc_pages_current+0x173/0x350
[  391.389698]  __page_cache_alloc+0x38c/0x5c0
[  391.394027]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  391.398964]  ? kasan_check_read+0x11/0x20
[  391.403134]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.408422]  ? generic_perform_write+0x6a0/0x6a0
[  391.413184]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.418732]  ? check_preemption_disabled+0x48/0x280
[  391.423770]  filemap_fault+0x1595/0x25f0
[  391.427849]  ? __lock_page_or_retry+0xa00/0xa00
[  391.432526]  ? mark_held_locks+0x130/0x130
[  391.436775]  ? filemap_map_pages+0xd6b/0x1a20
[  391.441282]  ? lock_downgrade+0x900/0x900
[  391.445432]  ? check_preemption_disabled+0x48/0x280
[  391.450461]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  391.455404]  ? kasan_check_read+0x11/0x20
[  391.459556]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.464837]  ? rcu_softirq_qs+0x20/0x20
[  391.468830]  ? filemap_map_pages+0xd92/0x1a20
[  391.473338]  ? __lock_acquire+0x62f/0x4c20
[  391.477587]  ? find_get_entries_tag+0x1400/0x1400
[  391.482461]  ? lock_acquire+0x1ed/0x520
[  391.486439]  ? ext4_filemap_fault+0x7a/0xad
[  391.490772]  ? lock_release+0xa00/0xa00
[  391.494753]  ? perf_trace_sched_process_exec+0x860/0x860
[  391.500216]  ? print_usage_bug+0xc0/0xc0
[  391.504287]  ? print_usage_bug+0xc0/0xc0
[  391.508385]  ? down_read+0x8d/0x120
[  391.512025]  ? ext4_filemap_fault+0x7a/0xad
[  391.516352]  ? __down_interruptible+0x700/0x700
[  391.521040]  ext4_filemap_fault+0x82/0xad
[  391.525197]  __do_fault+0x100/0x6b0
[  391.528838]  ? pmd_devmap_trans_unstable+0x220/0x220
[  391.533956]  ? mark_held_locks+0x130/0x130
[  391.538205]  ? mark_held_locks+0x130/0x130
[  391.542453]  ? __might_fault+0x12b/0x1e0
[  391.546529]  ? lock_downgrade+0x900/0x900
[  391.550691]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.556254]  __handle_mm_fault+0x3ea6/0x5be0
[  391.560679]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  391.565556]  ? kasan_check_read+0x11/0x20
[  391.569722]  ? _copy_to_user+0xc8/0x110
[  391.573706]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.579273]  ? zap_class+0x640/0x640
[  391.582988]  ? zap_class+0x640/0x640
[  391.586710]  ? find_held_lock+0x36/0x1c0
[  391.590794]  ? handle_mm_fault+0x42a/0xc70
[  391.595032]  ? lock_downgrade+0x900/0x900
[  391.599182]  ? check_preemption_disabled+0x48/0x280
[  391.604204]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  391.609139]  ? kasan_check_read+0x11/0x20
[  391.613290]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.618568]  ? rcu_softirq_qs+0x20/0x20
[  391.622547]  ? trace_hardirqs_off_caller+0x310/0x310
[  391.627656]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.633218]  ? check_preemption_disabled+0x48/0x280
[  391.638260]  handle_mm_fault+0x54f/0xc70
[  391.642331]  ? __handle_mm_fault+0x5be0/0x5be0
[  391.646926]  ? find_vma+0x34/0x190
[  391.650472]  __do_page_fault+0x5e8/0xe60
[  391.654535]  ? trace_hardirqs_off+0xb8/0x310
[  391.658946]  ? retint_kernel+0x2d/0x2d
[  391.662847]  do_page_fault+0xf2/0x7e0
[  391.666653]  ? vmalloc_sync_all+0x30/0x30
[  391.670804]  ? error_entry+0x70/0xd0
[  391.674527]  ? trace_hardirqs_off_caller+0xbb/0x310
[  391.679543]  ? trace_hardirqs_on_caller+0xc0/0x310
[  391.684476]  ? syscall_return_slowpath+0x5e0/0x5e0
[  391.689407]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  391.694261]  ? trace_hardirqs_on_caller+0x310/0x310
[  391.699279]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  391.704761]  ? prepare_exit_to_usermode+0x291/0x3b0
[  391.709787]  ? page_fault+0x8/0x30
[  391.713336]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  391.718187]  ? page_fault+0x8/0x30
[  391.721739]  page_fault+0x1e/0x30
[  391.725195] RIP: 0033:0x45d911
[  391.728406] Code: Bad RIP value.
[  391.731772] RSP: 002b:000000c420035f18 EFLAGS: 00010246
[  391.737138] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 000000000045d911
[  391.744417] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  391.751700] RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
[  391.758989] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  391.766286] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  391.774069] warn_alloc_show_mem: 1 callbacks suppressed
[  391.774082] CPU: 0 PID: 11721 Comm: syz-executor5 Not tainted 4.19.0+ #74
[  391.774084] Mem-Info:
[  391.774116] active_anon:50643 inactive_anon:847 isolated_anon:0
[  391.774116]  active_file:14 inactive_file:13 isolated_file:0
[  391.774116]  unevictable:0 dirty:0 writeback:0 unstable:0
[  391.774116]  slab_reclaimable:9230 slab_unreclaimable:1469886
[  391.774116]  mapped:49154 shmem:854 pagetables:629 bounce:0
[  391.774116]  free:13794 free_pcp:158 free_cma:0
[  391.779463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  391.786405] Node 0 active_anon:202572kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3416kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  391.788808] Call Trace:
[  391.821689] 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
[  391.831078]  <IRQ>
[  391.858843] lowmem_reserve[]: 0 2818 6321 6321
[  391.861434]  dump_stack+0x244/0x39d
[  391.887534] Node 0 DMA32 free:25280kB min:30052kB low:37564kB high:45076kB active_anon:236kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  391.889698]  ? dump_stack_print_info.cold.1+0x20/0x20
[  391.894254] lowmem_reserve[]: 0 0 3503 3503
[  391.897999]  warn_alloc.cold.116+0xb7/0x1bd
[  391.926025] Node 0 Normal free:13988kB min:37364kB low:46704kB high:56044kB active_anon:202336kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:412kB local_pcp:252kB free_cma:0kB
[  391.931236]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  391.935536] lowmem_reserve[]: 0 0 0 0
[  391.939862]  ? lock_downgrade+0x900/0x900
[  391.968832] 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
[  391.973685]  ? trace_hardirqs_off+0xb8/0x310
[  391.977450] Node 0 DMA32: 2*4kB (H) 3*8kB (UMH) 2*16kB (M) 2*32kB (MH) 5*64kB (MH) 4*128kB (M) 5*256kB (MH) 5*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 25280kB
[  391.981598]  ? trace_hardirqs_off+0xb8/0x310
[  391.995105] Node 0 Normal: 737*4kB (UMEH) 442*8kB (UME) 213*16kB (UME) 70*32kB (UME) 7*64kB (UMH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13988kB
[  391.999524]  __alloc_pages_slowpath+0x26e8/0x2e10
[  392.014947] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  392.019385]  ? warn_alloc+0x120/0x120
[  392.034696] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  392.039557]  ? print_usage_bug+0xc0/0xc0
[  392.048391] 881 total pagecache pages
[  392.052193]  ? warn_alloc+0x120/0x120
[  392.060759] 0 pages in swap cache
[  392.064821]  ? warn_alloc+0x120/0x120
[  392.068600] Swap cache stats: add 0, delete 0, find 0/0
[  392.072396]  ? print_usage_bug+0xc0/0xc0
[  392.075826] Free swap  = 0kB
[  392.079622]  ? kvm_clock_read+0x18/0x30
[  392.084953] Total swap = 0kB
[  392.084961] 1965979 pages RAM
[  392.089019]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  392.092006] 0 pages HighMem/MovableOnly
[  392.092015] 342858 pages reserved
[  392.095984]  ? print_usage_bug+0xc0/0xc0
[  392.098977] 0 pages cma reserved
[  392.102079]  ? __lock_acquire+0x62f/0x4c20
[  392.107130] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  392.111039]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.114555] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  392.118525]  ? should_fail+0x22d/0xd01
[  392.121877] syz-fuzzer cpuset=/ mems_allowed=0
[  392.126114]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  392.162151]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  392.167277]  ? __lock_acquire+0x62f/0x4c20
[  392.171522]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  392.176628]  ? __lock_acquire+0x62f/0x4c20
[  392.180865]  ? should_fail+0x22d/0xd01
[  392.184759]  ? rcu_irq_exit+0x1a2/0x390
[  392.188761]  ? mark_held_locks+0x130/0x130
[  392.193009]  ? mark_held_locks+0x130/0x130
[  392.197255]  ? mark_held_locks+0xc7/0x130
[  392.201407]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  392.206433]  ? zap_class+0x640/0x640
[  392.210153]  ? print_usage_bug+0xc0/0xc0
[  392.214226]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.219769]  ? check_preemption_disabled+0x48/0x280
[  392.224806]  ? __lock_is_held+0xb5/0x140
[  392.228885]  __alloc_pages_nodemask+0xa80/0xde0
[  392.233565]  ? zap_class+0x640/0x640
[  392.237289]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  392.242329]  ? find_held_lock+0x36/0x1c0
[  392.246405]  ? ____cache_alloc_node+0x1c7/0x1e0
[  392.251082]  ? lock_downgrade+0x900/0x900
[  392.255240]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.260789]  cache_grow_begin+0xa5/0x8c0
[  392.264853]  ? do_raw_spin_unlock+0xa7/0x330
[  392.269279]  fallback_alloc+0x204/0x2e0
[  392.273264]  ____cache_alloc_node+0x1c7/0x1e0
[  392.277768]  kmem_cache_alloc_node+0xe3/0x730
[  392.282267]  ? ipv6_get_ifaddr+0x42e/0x620
[  392.286511]  __alloc_skb+0x119/0x770
[  392.290226]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  392.295512]  ? netdev_alloc_frag+0x1f0/0x1f0
[  392.299925]  ? lock_downgrade+0x900/0x900
[  392.304086]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.309627]  ? refcount_sub_and_test_checked+0x203/0x310
[  392.315082]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  392.320539]  ? addrconf_rs_timer+0x690/0x690
[  392.324960]  ndisc_alloc_skb+0x144/0x340
[  392.329025]  ndisc_send_rs+0x331/0x6e0
[  392.332922]  addrconf_rs_timer+0x314/0x690
[  392.337163]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.341412]  call_timer_fn+0x272/0x920
[  392.345302]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.349536]  ? process_timeout+0x40/0x40
[  392.353606]  ? __run_timers+0x7da/0xc70
[  392.357588]  ? _raw_spin_unlock_irq+0x27/0x80
[  392.362085]  ? _raw_spin_unlock_irq+0x27/0x80
[  392.366578]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.370816]  ? lockdep_hardirqs_on+0x296/0x5b0
[  392.375401]  ? trace_hardirqs_on+0xbd/0x310
[  392.379743]  ? kasan_check_read+0x11/0x20
[  392.383894]  ? __run_timers+0x7da/0xc70
[  392.387878]  ? trace_hardirqs_off_caller+0x310/0x310
[  392.392987]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.397226]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.401459]  __run_timers+0x7e5/0xc70
[  392.405275]  ? timer_fixup_init+0x70/0x70
[  392.409427]  ? kasan_check_read+0x11/0x20
[  392.413578]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  392.418857]  ? rcu_softirq_qs+0x20/0x20
[  392.422840]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.428383]  ? check_preemption_disabled+0x48/0x280
[  392.433410]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  392.438177]  ? retint_kernel+0x2d/0x2d
[  392.442071]  ? trace_hardirqs_on_caller+0xc0/0x310
[  392.447002]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  392.451766]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  392.457223]  ? zap_class+0x640/0x640
[  392.460949]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.466499]  ? check_preemption_disabled+0x48/0x280
[  392.471528]  ? __lock_is_held+0xb5/0x140
[  392.475592]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.481133]  ? check_preemption_disabled+0x48/0x280
[  392.486156]  run_timer_softirq+0x52/0xb0
[  392.490254]  ? rcu_read_lock_sched_held+0x14f/0x180
[  392.495275]  __do_softirq+0x308/0xb7e
[  392.499079]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  392.503573]  ? lock_downgrade+0x900/0x900
[  392.507753]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  392.512870]  ? pvclock_read_flags+0x160/0x160
[  392.517369]  ? lapic_next_event+0x5a/0x90
[  392.521522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.527085]  ? kvm_clock_read+0x18/0x30
[  392.531064]  ? kvm_sched_clock_read+0x9/0x20
[  392.535479]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.541025]  ? check_preemption_disabled+0x48/0x280
[  392.546059]  irq_exit+0x17f/0x1c0
[  392.549520]  smp_apic_timer_interrupt+0x1cb/0x760
[  392.554370]  ? smp_reschedule_interrupt+0x109/0x650
[  392.559392]  ? smp_call_function_single_interrupt+0x650/0x650
[  392.565284]  ? interrupt_entry+0xb5/0xc0
[  392.569355]  ? trace_hardirqs_off_caller+0xbb/0x310
[  392.574373]  ? trace_hardirqs_off_caller+0xbb/0x310
[  392.579392]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  392.584237]  ? trace_hardirqs_on_caller+0x310/0x310
[  392.589260]  ? trace_hardirqs_on_caller+0x310/0x310
[  392.594280]  ? task_prio+0x50/0x50
[  392.597829]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.603371]  ? check_preemption_disabled+0x48/0x280
[  392.608402]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  392.613264]  apic_timer_interrupt+0xf/0x20
[  392.617495]  </IRQ>
[  392.619749] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  392.624685] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 14
[  392.643609] RSP: 0000:ffff8801bf14f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  392.651341] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  392.658615] RDX: 0000000000000000 RSI: ffff8801b68a4c40 RDI: 0000000000000286
[  392.665883] RBP: ffff8801bf14f7a0 R08: ffff8801b68a43c0 R09: 0000000000000000
[  392.673154] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  392.680427] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  392.687763]  skb_clone+0x1bb/0x500
[  392.691311]  ? finish_task_switch+0x2f4/0x910
[  392.695807]  ? skb_split+0x11e0/0x11e0
[  392.699698]  ? preempt_notifier_register+0x200/0x200
[  392.704815]  ? __switch_to_asm+0x34/0x70
[  392.708882]  ? __switch_to_asm+0x34/0x70
[  392.713225]  ? __switch_to_asm+0x40/0x70
[  392.717289]  ? __switch_to_asm+0x34/0x70
[  392.721367]  ? __switch_to_asm+0x40/0x70
[  392.725430]  ? __switch_to_asm+0x34/0x70
[  392.729492]  ? __switch_to_asm+0x40/0x70
[  392.733551]  ? __switch_to_asm+0x34/0x70
[  392.737614]  ? __switch_to_asm+0x34/0x70
[  392.741680]  ? __switch_to_asm+0x40/0x70
[  392.745750]  ? __switch_to_asm+0x34/0x70
[  392.749833]  bpf_clone_redirect+0xb9/0x490
[  392.754075]  ? __schedule+0x8d7/0x21d0
[  392.757972]  bpf_prog_bebbfe2050753572+0x6c2/0x1000
[  392.762997]  ? __sched_text_start+0x8/0x8
[  392.767150]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  392.772342]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  392.776930]  ? retint_kernel+0x2d/0x2d
[  392.780828]  ? find_held_lock+0x36/0x1c0
[  392.784917]  ? lock_acquire+0x1ed/0x520
[  392.788899]  ? bpf_test_run+0x3cb/0x780
[  392.792875]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.798416]  ? check_preemption_disabled+0x48/0x280
[  392.803444]  ? kasan_check_read+0x11/0x20
[  392.807594]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  392.812874]  ? rcu_softirq_qs+0x20/0x20
[  392.816855]  ? preempt_schedule+0x4d/0x60
[  392.821011]  ? ___preempt_schedule+0x16/0x18
[  392.825430]  ? bpf_test_run+0x25d/0x780
[  392.829418]  ? netlink_diag_dump+0x2a0/0x2a0
[  392.833834]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.839393]  ? bpf_test_init.isra.10+0x70/0x100
[  392.844081]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  392.848849]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  392.853693]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  392.859245]  ? fput+0x130/0x1a0
[  392.862550]  ? __bpf_prog_get+0x9b/0x290
[  392.866620]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  392.871487]  ? bpf_prog_test_run+0x130/0x1a0
[  392.875906]  ? __x64_sys_bpf+0x3d8/0x520
[  392.879982]  ? bpf_prog_get+0x20/0x20
[  392.883812]  ? do_syscall_64+0x1b9/0x820
[  392.887876]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  392.893249]  ? syscall_return_slowpath+0x5e0/0x5e0
[  392.898180]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  392.903025]  ? trace_hardirqs_on_caller+0x310/0x310
[  392.908049]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  392.913070]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.918612]  ? prepare_exit_to_usermode+0x291/0x3b0
[  392.923638]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  392.928494]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  392.933880] CPU: 1 PID: 5666 Comm: syz-fuzzer Not tainted 4.19.0+ #74
[  392.933952] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  392.940464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  392.940474] Call Trace:
[  392.947043] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  392.956301]  <IRQ>
[  392.958874] syz-executor5 cpuset=syz5 mems_allowed=0
[  392.969379]  dump_stack+0x244/0x39d
[  392.980680]  ? dump_stack_print_info.cold.1+0x20/0x20
[  392.985903]  warn_alloc.cold.116+0xb7/0x1bd
[  392.990245]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  392.995100]  ? lock_downgrade+0x900/0x900
[  392.999265]  ? trace_hardirqs_off+0xb8/0x310
[  393.003687]  ? trace_hardirqs_off+0xb8/0x310
[  393.008115]  __alloc_pages_slowpath+0x26e8/0x2e10
[  393.013005]  ? warn_alloc+0x120/0x120
[  393.016824]  ? print_usage_bug+0xc0/0xc0
[  393.020900]  ? warn_alloc+0x120/0x120
[  393.024712]  ? warn_alloc+0x120/0x120
[  393.028532]  ? print_usage_bug+0xc0/0xc0
[  393.032599]  ? kvm_clock_read+0x18/0x30
[  393.036580]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  393.041612]  ? print_usage_bug+0xc0/0xc0
[  393.045684]  ? __lock_acquire+0x62f/0x4c20
[  393.049939]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.055480]  ? should_fail+0x22d/0xd01
[  393.059374]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  393.064660]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  393.069768]  ? __lock_acquire+0x62f/0x4c20
[  393.074012]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  393.079119]  ? __lock_acquire+0x62f/0x4c20
[  393.083357]  ? should_fail+0x22d/0xd01
[  393.087256]  ? rcu_irq_exit+0x1a2/0x390
[  393.091253]  ? mark_held_locks+0x130/0x130
[  393.095498]  ? mark_held_locks+0x130/0x130
[  393.099749]  ? mark_held_locks+0xc7/0x130
[  393.103905]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  393.108925]  ? zap_class+0x640/0x640
[  393.112649]  ? print_usage_bug+0xc0/0xc0
[  393.116727]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.122271]  ? check_preemption_disabled+0x48/0x280
[  393.127307]  ? __lock_is_held+0xb5/0x140
[  393.131380]  __alloc_pages_nodemask+0xa80/0xde0
[  393.136074]  ? zap_class+0x640/0x640
[  393.139797]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  393.144828]  ? find_held_lock+0x36/0x1c0
[  393.148904]  ? ____cache_alloc_node+0x1c7/0x1e0
[  393.153583]  ? lock_downgrade+0x900/0x900
[  393.157750]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.163312]  cache_grow_begin+0xa5/0x8c0
[  393.167379]  ? do_raw_spin_unlock+0xa7/0x330
[  393.171800]  fallback_alloc+0x204/0x2e0
[  393.175790]  ____cache_alloc_node+0x1c7/0x1e0
[  393.180296]  kmem_cache_alloc_node+0xe3/0x730
[  393.184797]  ? ipv6_get_ifaddr+0x42e/0x620
[  393.189096]  __alloc_skb+0x119/0x770
[  393.192818]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  393.198106]  ? netdev_alloc_frag+0x1f0/0x1f0
[  393.202522]  ? lock_downgrade+0x900/0x900
[  393.206684]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.212239]  ? refcount_sub_and_test_checked+0x203/0x310
[  393.217699]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  393.223161]  ? addrconf_rs_timer+0x690/0x690
[  393.227583]  ndisc_alloc_skb+0x144/0x340
[  393.231662]  ndisc_send_rs+0x331/0x6e0
[  393.235569]  addrconf_rs_timer+0x314/0x690
[  393.239840]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.244092]  call_timer_fn+0x272/0x920
[  393.247980]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.252220]  ? process_timeout+0x40/0x40
[  393.256310]  ? mark_held_locks+0xc7/0x130
[  393.260464]  ? _raw_spin_unlock_irq+0x27/0x80
[  393.264961]  ? _raw_spin_unlock_irq+0x27/0x80
[  393.269458]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.273696]  ? lockdep_hardirqs_on+0x296/0x5b0
[  393.278290]  ? trace_hardirqs_on+0xbd/0x310
[  393.282613]  ? kasan_check_read+0x11/0x20
[  393.286764]  ? __run_timers+0x7da/0xc70
[  393.290746]  ? trace_hardirqs_off_caller+0x310/0x310
[  393.295856]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.300100]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.304339]  __run_timers+0x7e5/0xc70
[  393.308154]  ? timer_fixup_init+0x70/0x70
[  393.312309]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  393.317332]  ? zap_class+0x640/0x640
[  393.321051]  ? print_usage_bug+0xc0/0xc0
[  393.325117]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  393.330314]  ? find_held_lock+0x36/0x1c0
[  393.334382]  ? zap_class+0x640/0x640
[  393.338106]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.343646]  ? check_preemption_disabled+0x48/0x280
[  393.348674]  ? __lock_is_held+0xb5/0x140
[  393.352751]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.358289]  ? check_preemption_disabled+0x48/0x280
[  393.363315]  run_timer_softirq+0x52/0xb0
[  393.367380]  ? rcu_read_lock_sched_held+0x14f/0x180
[  393.372397]  __do_softirq+0x308/0xb7e
[  393.376204]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  393.380706]  ? lock_downgrade+0x900/0x900
[  393.384873]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  393.389993]  ? pvclock_read_flags+0x160/0x160
[  393.394493]  ? lapic_next_event+0x5a/0x90
[  393.398648]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.404196]  ? kvm_clock_read+0x18/0x30
[  393.408179]  ? kvm_sched_clock_read+0x9/0x20
[  393.412597]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.418141]  ? check_preemption_disabled+0x48/0x280
[  393.423171]  irq_exit+0x17f/0x1c0
[  393.426636]  smp_apic_timer_interrupt+0x1cb/0x760
[  393.431483]  ? smp_reschedule_interrupt+0x109/0x650
[  393.436507]  ? smp_call_function_single_interrupt+0x650/0x650
[  393.442397]  ? interrupt_entry+0xb5/0xc0
[  393.446464]  ? trace_hardirqs_off_caller+0xbb/0x310
[  393.451482]  ? trace_hardirqs_off_caller+0xbb/0x310
[  393.456506]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  393.461357]  ? trace_hardirqs_on_caller+0x310/0x310
[  393.466375]  ? trace_hardirqs_on_caller+0x310/0x310
[  393.471414]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  393.476276]  apic_timer_interrupt+0xf/0x20
[  393.480507]  </IRQ>
[  393.482756] RIP: 0010:dump_stack+0x358/0x39d
[  393.487166] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 a1 9c fd f9 48 83 3d 29 00 8d 01 00 0f 84 63 fe ff ff e8 ee 69 ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db 69 ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  393.506078] RSP: 0000:ffff8801b9cce1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  393.513791] RAX: ffff8801d71b2040 RBX: 1ffffffff12a3f46 RCX: 1ffff1003ae36526
[  393.521061] RDX: 0000000000000000 RSI: ffffffff87c4fa12 RDI: 0000000000000293
[  393.528332] RBP: ffff8801b9cce290 R08: ffff8801d71b2930 R09: 0000000000000006
[  393.535600] R10: 0000000000000000 R11: ffff8801d71b2040 R12: 1ffff10037399c45
[  393.542867] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  393.550157]  ? dump_stack+0x34f/0x39d
[  393.553975]  ? dump_stack_print_info.cold.1+0x20/0x20
[  393.559175]  ? mark_held_locks+0x130/0x130
[  393.563411]  ? mark_held_locks+0x130/0x130
[  393.567654]  dump_header+0x27b/0xf72
[  393.571382]  ? pagefault_out_of_memory+0x197/0x197
[  393.576323]  ? __lock_acquire+0x62f/0x4c20
[  393.580561]  ? percpu_ref_get_many+0x240/0x240
[  393.585148]  ? print_usage_bug+0xc0/0xc0
[  393.589242]  ? zap_class+0x640/0x640
[  393.592962]  ? print_usage_bug+0xc0/0xc0
[  393.597027]  ? print_usage_bug+0xc0/0xc0
[  393.601090]  ? zap_class+0x640/0x640
[  393.604810]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.610352]  ? find_held_lock+0x36/0x1c0
[  393.614426]  ? mark_held_locks+0xc7/0x130
[  393.618586]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  393.623702]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  393.628825]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  393.633414]  ? trace_hardirqs_on+0xbd/0x310
[  393.637743]  ? kasan_check_read+0x11/0x20
[  393.641895]  ? ___ratelimit+0x3b4/0x672
[  393.645874]  ? trace_hardirqs_off_caller+0x310/0x310
[  393.650982]  ? trace_hardirqs_on+0x310/0x310
[  393.655396]  ? lock_downgrade+0x900/0x900
[  393.659553]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  393.664658]  ? ___ratelimit+0x3b9/0x672
[  393.668638]  ? idr_get_free+0xf80/0xf80
[  393.672615]  ? find_held_lock+0x36/0x1c0
[  393.676694]  oom_kill_process.cold.27+0x10/0x903
[  393.681464]  ? zap_class+0x640/0x640
[  393.685180]  ? check_preemption_disabled+0x48/0x280
[  393.690203]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  393.695140]  ? kasan_check_read+0x11/0x20
[  393.699291]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  393.704572]  ? oom_evaluate_task+0x540/0x540
[  393.708989]  ? find_held_lock+0x36/0x1c0
[  393.713064]  ? out_of_memory+0x974/0x1430
[  393.717215]  ? lock_downgrade+0x900/0x900
[  393.721369]  ? check_preemption_disabled+0x48/0x280
[  393.726394]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  393.731329]  ? kasan_check_read+0x11/0x20
[  393.735481]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  393.740760]  ? rcu_softirq_qs+0x20/0x20
[  393.744747]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.750290]  ? oom_evaluate_task+0x302/0x540
[  393.754722]  out_of_memory+0xa84/0x1430
[  393.758724]  ? oom_killer_disable+0x3a0/0x3a0
[  393.763235]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  393.768187]  ? __ww_mutex_check_waiters+0x160/0x160
[  393.773587]  __alloc_pages_slowpath+0x2354/0x2e10
[  393.778470]  ? warn_alloc+0x120/0x120
[  393.782280]  ? mark_held_locks+0x130/0x130
[  393.786533]  ? find_get_entry+0xaae/0x1120
[  393.790784]  ? filemap_map_pages+0x1a20/0x1a20
[  393.795380]  ? zap_class+0x640/0x640
[  393.799105]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.804656]  ? check_preemption_disabled+0x48/0x280
[  393.809684]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.815239]  ? should_fail+0x22d/0xd01
[  393.819137]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  393.824254]  ? zap_class+0x640/0x640
[  393.828003]  ? __lock_is_held+0xb5/0x140
[  393.832076]  ? mark_held_locks+0x130/0x130
[  393.836335]  ? lock_release+0xa00/0xa00
[  393.840318]  ? perf_trace_sched_process_exec+0x860/0x860
[  393.845773]  ? xa_load+0x2ba/0x460
[  393.849322]  ? lock_downgrade+0x900/0x900
[  393.853478]  ? __might_sleep+0x95/0x190
[  393.857467]  __alloc_pages_nodemask+0xa80/0xde0
[  393.862152]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  393.867173]  ? __page_cache_alloc+0x191/0x5c0
[  393.871672]  ? xa_load+0x2e1/0x460
[  393.875219]  ? xa_clear_mark+0x40/0x40
[  393.879125]  ? zap_class+0x640/0x640
[  393.882854]  ? zap_class+0x640/0x640
[  393.886572]  ? zap_class+0x640/0x640
[  393.890293]  ? __do_page_cache_readahead+0x663/0x810
[  393.895405]  ? find_held_lock+0x36/0x1c0
[  393.899474]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  393.905518]  alloc_pages_current+0x173/0x350
[  393.909940]  __page_cache_alloc+0x38c/0x5c0
[  393.914265]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  393.919197]  ? kasan_check_read+0x11/0x20
[  393.923351]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  393.928637]  ? generic_perform_write+0x6a0/0x6a0
[  393.933398]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.938939]  ? check_preemption_disabled+0x48/0x280
[  393.943966]  filemap_fault+0x1595/0x25f0
[  393.948049]  ? __lock_page_or_retry+0xa00/0xa00
[  393.952732]  ? mark_held_locks+0x130/0x130
[  393.956982]  ? filemap_map_pages+0xd6b/0x1a20
[  393.961486]  ? lock_downgrade+0x900/0x900
[  393.965636]  ? check_preemption_disabled+0x48/0x280
[  393.970660]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  393.975591]  ? kasan_check_read+0x11/0x20
[  393.979749]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  393.985073]  ? rcu_softirq_qs+0x20/0x20
[  393.989067]  ? filemap_map_pages+0xd92/0x1a20
[  393.993570]  ? __lock_acquire+0x62f/0x4c20
[  393.997820]  ? find_get_entries_tag+0x1400/0x1400
[  394.002685]  ? lock_acquire+0x1ed/0x520
[  394.006672]  ? ext4_filemap_fault+0x7a/0xad
[  394.011005]  ? lock_release+0xa00/0xa00
[  394.014980]  ? perf_trace_sched_process_exec+0x860/0x860
[  394.020436]  ? print_usage_bug+0xc0/0xc0
[  394.024506]  ? print_usage_bug+0xc0/0xc0
[  394.028580]  ? down_read+0x8d/0x120
[  394.032207]  ? ext4_filemap_fault+0x7a/0xad
[  394.036534]  ? __down_interruptible+0x700/0x700
[  394.041244]  ext4_filemap_fault+0x82/0xad
[  394.045401]  __do_fault+0x100/0x6b0
[  394.049035]  ? pmd_devmap_trans_unstable+0x220/0x220
[  394.054149]  ? mark_held_locks+0x130/0x130
[  394.058388]  ? mark_held_locks+0x130/0x130
[  394.062631]  ? __might_fault+0x12b/0x1e0
[  394.066703]  ? lock_downgrade+0x900/0x900
[  394.070872]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.076421]  __handle_mm_fault+0x3ea6/0x5be0
[  394.080845]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  394.085698]  ? kasan_check_read+0x11/0x20
[  394.089854]  ? _copy_to_user+0xc8/0x110
[  394.093837]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.099391]  ? zap_class+0x640/0x640
[  394.103106]  ? zap_class+0x640/0x640
[  394.106834]  ? find_held_lock+0x36/0x1c0
[  394.110911]  ? handle_mm_fault+0x42a/0xc70
[  394.115160]  ? lock_downgrade+0x900/0x900
[  394.119317]  ? check_preemption_disabled+0x48/0x280
[  394.124350]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  394.129292]  ? kasan_check_read+0x11/0x20
[  394.133449]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  394.138741]  ? rcu_softirq_qs+0x20/0x20
[  394.142729]  ? trace_hardirqs_off_caller+0x310/0x310
[  394.147841]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.153382]  ? check_preemption_disabled+0x48/0x280
[  394.158416]  handle_mm_fault+0x54f/0xc70
[  394.162487]  ? __handle_mm_fault+0x5be0/0x5be0
[  394.167075]  ? find_vma+0x34/0x190
[  394.170621]  __do_page_fault+0x5e8/0xe60
[  394.174682]  ? trace_hardirqs_off+0xb8/0x310
[  394.179142]  ? retint_kernel+0x2d/0x2d
[  394.183046]  do_page_fault+0xf2/0x7e0
[  394.186853]  ? vmalloc_sync_all+0x30/0x30
[  394.191005]  ? error_entry+0x70/0xd0
[  394.194752]  ? trace_hardirqs_off_caller+0xbb/0x310
[  394.199776]  ? trace_hardirqs_on_caller+0xc0/0x310
[  394.204708]  ? syscall_return_slowpath+0x5e0/0x5e0
[  394.209649]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.214500]  ? trace_hardirqs_on_caller+0x310/0x310
[  394.219519]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  394.224983]  ? prepare_exit_to_usermode+0x291/0x3b0
[  394.230004]  ? page_fault+0x8/0x30
[  394.233554]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.238402]  ? page_fault+0x8/0x30
[  394.241948]  page_fault+0x1e/0x30
[  394.245403] RIP: 0033:0x45d911
[  394.248609] Code: Bad RIP value.
[  394.251975] RSP: 002b:000000c420035f18 EFLAGS: 00010246
[  394.257338] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 000000000045d911
[  394.264610] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  394.271910] RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
[  394.279185] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  394.286455] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  394.293773] CPU: 0 PID: 11721 Comm: syz-executor5 Not tainted 4.19.0+ #74
[  394.293779] warn_alloc_show_mem: 1 callbacks suppressed
[  394.293787] Mem-Info:
[  394.300739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  394.306122] active_anon:50643 inactive_anon:847 isolated_anon:0
[  394.306122]  active_file:14 inactive_file:13 isolated_file:0
[  394.306122]  unevictable:0 dirty:0 writeback:0 unstable:0
[  394.306122]  slab_reclaimable:9230 slab_unreclaimable:1469886
[  394.306122]  mapped:49154 shmem:854 pagetables:629 bounce:0
[  394.306122]  free:13794 free_pcp:158 free_cma:0
[  394.308500] Call Trace:
[  394.317905] Node 0 active_anon:202572kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3416kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  394.350767]  <IRQ>
[  394.353349] 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
[  394.381069]  dump_stack+0x244/0x39d
[  394.383195] lowmem_reserve[]: 0 2818 6321 6321
[  394.409317]  ? dump_stack_print_info.cold.1+0x20/0x20
[  394.412920] Node 0 DMA32 free:25280kB min:30052kB low:37564kB high:45076kB active_anon:236kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  394.417524]  warn_alloc.cold.116+0xb7/0x1bd
[  394.422681] lowmem_reserve[]: 0 0 3503 3503
[  394.450193]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  394.454486] Node 0 Normal free:13988kB min:37364kB low:46704kB high:56044kB active_anon:202336kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:412kB local_pcp:252kB free_cma:0kB
[  394.458807]  ? lock_downgrade+0x900/0x900
[  394.463624] lowmem_reserve[]: 0 0 0 0
[  394.492611]  ? trace_hardirqs_off+0xb8/0x310
[  394.496735] 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
[  394.500550]  ? trace_hardirqs_off+0xb8/0x310
[  394.504931] Node 0 DMA32: 2*4kB (H) 3*8kB (UMH) 2*16kB (M) 2*32kB (MH) 5*64kB (MH) 4*128kB (M) 5*256kB (MH) 5*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 25280kB
[  394.518469]  __alloc_pages_slowpath+0x26e8/0x2e10
[  394.522856] Node 0 Normal: 737*4kB (UMEH) 442*8kB (UME) 213*16kB (UME) 70*32kB (UME) 7*64kB (UMH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13988kB
[  394.538325]  ? warn_alloc+0x120/0x120
[  394.543134] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  394.558490]  ? print_usage_bug+0xc0/0xc0
[  394.562270] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  394.571104]  ? warn_alloc+0x120/0x120
[  394.575141] 881 total pagecache pages
[  394.583734]  ? warn_alloc+0x120/0x120
[  394.587508] 0 pages in swap cache
[  394.591305]  ? print_usage_bug+0xc0/0xc0
[  394.595084] Swap cache stats: add 0, delete 0, find 0/0
[  394.598535]  ? kvm_clock_read+0x18/0x30
[  394.602570] Free swap  = 0kB
[  394.607931]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  394.611879] Total swap = 0kB
[  394.614895]  ? print_usage_bug+0xc0/0xc0
[  394.619888] 1965979 pages RAM
[  394.622902]  ? __lock_acquire+0x62f/0x4c20
[  394.626937] 0 pages HighMem/MovableOnly
[  394.630040]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.634254] 342858 pages reserved
[  394.638224]  ? should_fail+0x22d/0xd01
[  394.643745] 0 pages cma reserved
[  394.643816] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  394.647209]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  394.647229]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  394.651158] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  394.654457]  ? __lock_acquire+0x62f/0x4c20
[  394.660926] syz-fuzzer cpuset=/ mems_allowed=0
[  394.666202]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  394.695394]  ? __lock_acquire+0x62f/0x4c20
[  394.699633]  ? should_fail+0x22d/0xd01
[  394.703522]  ? rcu_irq_exit+0x1a2/0x390
[  394.707511]  ? mark_held_locks+0x130/0x130
[  394.711767]  ? mark_held_locks+0x130/0x130
[  394.716012]  ? mark_held_locks+0xc7/0x130
[  394.720165]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  394.725196]  ? zap_class+0x640/0x640
[  394.728915]  ? print_usage_bug+0xc0/0xc0
[  394.732988]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.738533]  ? check_preemption_disabled+0x48/0x280
[  394.743563]  ? __lock_is_held+0xb5/0x140
[  394.747633]  __alloc_pages_nodemask+0xa80/0xde0
[  394.752307]  ? zap_class+0x640/0x640
[  394.756035]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  394.761065]  ? find_held_lock+0x36/0x1c0
[  394.765144]  ? ____cache_alloc_node+0x1c7/0x1e0
[  394.769819]  ? lock_downgrade+0x900/0x900
[  394.774440]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.779987]  cache_grow_begin+0xa5/0x8c0
[  394.784052]  ? do_raw_spin_unlock+0xa7/0x330
[  394.788471]  fallback_alloc+0x204/0x2e0
[  394.792455]  ____cache_alloc_node+0x1c7/0x1e0
[  394.796958]  kmem_cache_alloc_node+0xe3/0x730
[  394.801455]  ? ipv6_get_ifaddr+0x42e/0x620
[  394.805703]  __alloc_skb+0x119/0x770
[  394.809430]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  394.814759]  ? netdev_alloc_frag+0x1f0/0x1f0
[  394.819174]  ? lock_downgrade+0x900/0x900
[  394.823335]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.828876]  ? refcount_sub_and_test_checked+0x203/0x310
[  394.834333]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  394.839791]  ? addrconf_rs_timer+0x690/0x690
[  394.844216]  ndisc_alloc_skb+0x144/0x340
[  394.848285]  ndisc_send_rs+0x331/0x6e0
[  394.852181]  addrconf_rs_timer+0x314/0x690
[  394.856426]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.860675]  call_timer_fn+0x272/0x920
[  394.864567]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.868809]  ? process_timeout+0x40/0x40
[  394.872883]  ? __run_timers+0x7da/0xc70
[  394.876866]  ? _raw_spin_unlock_irq+0x27/0x80
[  394.881363]  ? _raw_spin_unlock_irq+0x27/0x80
[  394.885862]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.890101]  ? lockdep_hardirqs_on+0x296/0x5b0
[  394.894689]  ? trace_hardirqs_on+0xbd/0x310
[  394.899053]  ? kasan_check_read+0x11/0x20
[  394.903208]  ? __run_timers+0x7da/0xc70
[  394.907185]  ? trace_hardirqs_off_caller+0x310/0x310
[  394.912298]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.916542]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.920779]  __run_timers+0x7e5/0xc70
[  394.924597]  ? timer_fixup_init+0x70/0x70
[  394.928768]  ? kasan_check_read+0x11/0x20
[  394.932923]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  394.938205]  ? rcu_softirq_qs+0x20/0x20
[  394.942191]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.947748]  ? check_preemption_disabled+0x48/0x280
[  394.952781]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  394.957548]  ? retint_kernel+0x2d/0x2d
[  394.961442]  ? trace_hardirqs_on_caller+0xc0/0x310
[  394.966378]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  394.971227]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  394.976686]  ? zap_class+0x640/0x640
[  394.980426]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.985973]  ? check_preemption_disabled+0x48/0x280
[  394.991007]  ? __lock_is_held+0xb5/0x140
[  394.995077]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.000629]  ? check_preemption_disabled+0x48/0x280
[  395.005658]  run_timer_softirq+0x52/0xb0
[  395.009744]  ? rcu_read_lock_sched_held+0x14f/0x180
[  395.014786]  __do_softirq+0x308/0xb7e
[  395.018598]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  395.023108]  ? lock_downgrade+0x900/0x900
[  395.027291]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  395.032416]  ? pvclock_read_flags+0x160/0x160
[  395.036927]  ? lapic_next_event+0x5a/0x90
[  395.041094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.046653]  ? kvm_clock_read+0x18/0x30
[  395.050656]  ? kvm_sched_clock_read+0x9/0x20
[  395.055077]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.060632]  ? check_preemption_disabled+0x48/0x280
[  395.065671]  irq_exit+0x17f/0x1c0
[  395.069151]  smp_apic_timer_interrupt+0x1cb/0x760
[  395.073999]  ? smp_reschedule_interrupt+0x109/0x650
[  395.079023]  ? smp_call_function_single_interrupt+0x650/0x650
[  395.084916]  ? interrupt_entry+0xb5/0xc0
[  395.088987]  ? trace_hardirqs_off_caller+0xbb/0x310
[  395.094068]  ? trace_hardirqs_off_caller+0xbb/0x310
[  395.099097]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  395.103950]  ? trace_hardirqs_on_caller+0x310/0x310
[  395.108973]  ? trace_hardirqs_on_caller+0x310/0x310
[  395.113995]  ? task_prio+0x50/0x50
[  395.117542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.123093]  ? check_preemption_disabled+0x48/0x280
[  395.128126]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  395.132984]  apic_timer_interrupt+0xf/0x20
[  395.137222]  </IRQ>
[  395.139467] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  395.144401] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 14
[  395.163313] RSP: 0000:ffff8801bf14f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  395.171034] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  395.178303] RDX: 0000000000000000 RSI: ffff8801b68a4c40 RDI: 0000000000000286
[  395.185595] RBP: ffff8801bf14f7a0 R08: ffff8801b68a43c0 R09: 0000000000000000
[  395.192865] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  395.200139] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  395.207460]  skb_clone+0x1bb/0x500
[  395.211006]  ? finish_task_switch+0x2f4/0x910
[  395.215506]  ? skb_split+0x11e0/0x11e0
[  395.219404]  ? preempt_notifier_register+0x200/0x200
[  395.224515]  ? __switch_to_asm+0x34/0x70
[  395.228578]  ? __switch_to_asm+0x34/0x70
[  395.232640]  ? __switch_to_asm+0x40/0x70
[  395.236705]  ? __switch_to_asm+0x34/0x70
[  395.240785]  ? __switch_to_asm+0x40/0x70
[  395.244852]  ? __switch_to_asm+0x34/0x70
[  395.248918]  ? __switch_to_asm+0x40/0x70
[  395.252985]  ? __switch_to_asm+0x34/0x70
[  395.257054]  ? __switch_to_asm+0x34/0x70
[  395.261117]  ? __switch_to_asm+0x40/0x70
[  395.265180]  ? __switch_to_asm+0x34/0x70
[  395.269256]  bpf_clone_redirect+0xb9/0x490
[  395.273499]  ? __schedule+0x8d7/0x21d0
[  395.277402]  bpf_prog_bebbfe2050753572+0x6c2/0x1000
[  395.282431]  ? __sched_text_start+0x8/0x8
[  395.286597]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  395.291366]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  395.295964]  ? retint_kernel+0x2d/0x2d
[  395.299873]  ? find_held_lock+0x36/0x1c0
[  395.303975]  ? lock_acquire+0x1ed/0x520
[  395.307956]  ? bpf_test_run+0x3cb/0x780
[  395.311937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.317488]  ? check_preemption_disabled+0x48/0x280
[  395.322543]  ? kasan_check_read+0x11/0x20
[  395.326699]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  395.332000]  ? rcu_softirq_qs+0x20/0x20
[  395.335984]  ? preempt_schedule+0x4d/0x60
[  395.340137]  ? ___preempt_schedule+0x16/0x18
[  395.344561]  ? bpf_test_run+0x25d/0x780
[  395.348556]  ? netlink_diag_dump+0x2a0/0x2a0
[  395.352980]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.358521]  ? bpf_test_init.isra.10+0x70/0x100
[  395.363201]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  395.367971]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  395.372821]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  395.378381]  ? fput+0x130/0x1a0
[  395.381678]  ? __bpf_prog_get+0x9b/0x290
[  395.385771]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  395.390626]  ? bpf_prog_test_run+0x130/0x1a0
[  395.395046]  ? __x64_sys_bpf+0x3d8/0x520
[  395.399117]  ? bpf_prog_get+0x20/0x20
[  395.402949]  ? do_syscall_64+0x1b9/0x820
[  395.407012]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  395.412401]  ? syscall_return_slowpath+0x5e0/0x5e0
[  395.417334]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  395.422198]  ? trace_hardirqs_on_caller+0x310/0x310
[  395.427232]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  395.432266]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.437823]  ? prepare_exit_to_usermode+0x291/0x3b0
[  395.442859]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  395.447740]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  395.453130] CPU: 1 PID: 5666 Comm: syz-fuzzer Not tainted 4.19.0+ #74
[  395.453223] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  395.459713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  395.459736] Call Trace:
[  395.466332] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  395.475572]  <IRQ>
[  395.478143] syz-executor5 cpuset=syz5 mems_allowed=0
[  395.488625]  dump_stack+0x244/0x39d
[  395.499477]  ? dump_stack_print_info.cold.1+0x20/0x20
[  395.504690]  warn_alloc.cold.116+0xb7/0x1bd
[  395.509022]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  395.513873]  ? lock_downgrade+0x900/0x900
[  395.518032]  ? trace_hardirqs_off+0xb8/0x310
[  395.522458]  ? trace_hardirqs_off+0xb8/0x310
[  395.526887]  __alloc_pages_slowpath+0x26e8/0x2e10
[  395.531780]  ? warn_alloc+0x120/0x120
[  395.535594]  ? print_usage_bug+0xc0/0xc0
[  395.539670]  ? warn_alloc+0x120/0x120
[  395.543487]  ? warn_alloc+0x120/0x120
[  395.547298]  ? print_usage_bug+0xc0/0xc0
[  395.551369]  ? print_usage_bug+0xc0/0xc0
[  395.555438]  ? __lock_acquire+0x62f/0x4c20
[  395.559684]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.565244]  ? should_fail+0x22d/0xd01
[  395.569147]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  395.574264]  ? __lock_acquire+0x62f/0x4c20
[  395.578517]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  395.583631]  ? __lock_acquire+0x62f/0x4c20
[  395.587872]  ? should_fail+0x22d/0xd01
[  395.591773]  ? find_held_lock+0x36/0x1c0
[  395.595861]  ? mark_held_locks+0x130/0x130
[  395.600115]  ? mark_held_locks+0x130/0x130
[  395.604353]  ? zap_class+0x640/0x640
[  395.608068]  ? zap_class+0x640/0x640
[  395.611789]  ? print_usage_bug+0xc0/0xc0
[  395.615849]  ? do_raw_spin_unlock+0xa7/0x330
[  395.620262]  ? zap_class+0x640/0x640
[  395.623982]  ? print_usage_bug+0xc0/0xc0
[  395.628045]  ? wq_watchdog_touch+0x9c/0xfe
[  395.632290]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.637831]  ? check_preemption_disabled+0x48/0x280
[  395.642863]  ? __lock_is_held+0xb5/0x140
[  395.646935]  __alloc_pages_nodemask+0xa80/0xde0
[  395.651606]  ? zap_class+0x640/0x640
[  395.655331]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  395.660388]  ? find_held_lock+0x36/0x1c0
[  395.664466]  ? ____cache_alloc_node+0x1c7/0x1e0
[  395.669143]  ? lock_downgrade+0x900/0x900
[  395.673308]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.678862]  cache_grow_begin+0xa5/0x8c0
[  395.682933]  ? do_raw_spin_unlock+0xa7/0x330
[  395.687356]  fallback_alloc+0x204/0x2e0
[  395.691346]  ____cache_alloc_node+0x1c7/0x1e0
[  395.695856]  kmem_cache_alloc_node+0xe3/0x730
[  395.700375]  ? ipv6_get_ifaddr+0x42e/0x620
[  395.704631]  __alloc_skb+0x119/0x770
[  395.708353]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  395.713647]  ? netdev_alloc_frag+0x1f0/0x1f0
[  395.718064]  ? lock_downgrade+0x900/0x900
[  395.722235]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.727782]  ? refcount_sub_and_test_checked+0x203/0x310
[  395.733262]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  395.738732]  ? addrconf_rs_timer+0x690/0x690
[  395.743171]  ndisc_alloc_skb+0x144/0x340
[  395.747263]  ndisc_send_rs+0x331/0x6e0
[  395.751163]  addrconf_rs_timer+0x314/0x690
[  395.755409]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.759659]  call_timer_fn+0x272/0x920
[  395.763731]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.767968]  ? process_timeout+0x40/0x40
[  395.772463]  ? mark_held_locks+0xc7/0x130
[  395.776620]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.781124]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.785625]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.789875]  ? lockdep_hardirqs_on+0x296/0x5b0
[  395.794480]  ? trace_hardirqs_on+0xbd/0x310
[  395.798814]  ? kasan_check_read+0x11/0x20
[  395.802972]  ? __run_timers+0x7da/0xc70
[  395.806956]  ? trace_hardirqs_off_caller+0x310/0x310
[  395.812069]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.816319]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.820557]  __run_timers+0x7e5/0xc70
[  395.824372]  ? timer_fixup_init+0x70/0x70
[  395.828526]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  395.833549]  ? zap_class+0x640/0x640
[  395.837274]  ? print_usage_bug+0xc0/0xc0
[  395.841342]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  395.846550]  ? find_held_lock+0x36/0x1c0
[  395.850623]  ? zap_class+0x640/0x640
[  395.854355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.859908]  ? check_preemption_disabled+0x48/0x280
[  395.864952]  ? __lock_is_held+0xb5/0x140
[  395.869080]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.874634]  ? check_preemption_disabled+0x48/0x280
[  395.879671]  run_timer_softirq+0x52/0xb0
[  395.883829]  ? rcu_read_lock_sched_held+0x14f/0x180
[  395.888856]  __do_softirq+0x308/0xb7e
[  395.892667]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  395.897165]  ? lock_downgrade+0x900/0x900
[  395.901324]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  395.906920]  ? pvclock_read_flags+0x160/0x160
[  395.911433]  ? lapic_next_event+0x5a/0x90
[  395.915597]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.921151]  ? kvm_clock_read+0x18/0x30
[  395.925142]  ? kvm_sched_clock_read+0x9/0x20
[  395.929566]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.935125]  ? check_preemption_disabled+0x48/0x280
[  395.940163]  irq_exit+0x17f/0x1c0
[  395.943630]  smp_apic_timer_interrupt+0x1cb/0x760
[  395.948483]  ? smp_reschedule_interrupt+0x109/0x650
[  395.953513]  ? smp_call_function_single_interrupt+0x650/0x650
[  395.959406]  ? interrupt_entry+0xb5/0xc0
[  395.963476]  ? trace_hardirqs_off_caller+0xbb/0x310
[  395.968497]  ? trace_hardirqs_off_caller+0xbb/0x310
[  395.973521]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  395.978367]  ? trace_hardirqs_on_caller+0x310/0x310
[  395.983388]  ? trace_hardirqs_on_caller+0x310/0x310
[  395.988418]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  395.993282]  apic_timer_interrupt+0xf/0x20
[  395.997516]  </IRQ>
[  395.999762] RIP: 0010:dump_stack+0x358/0x39d
[  396.004177] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 a1 9c fd f9 48 83 3d 29 00 8d 01 00 0f 84 63 fe ff ff e8 ee 69 ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db 69 ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  396.023089] RSP: 0000:ffff8801b9cce1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  396.030839] RAX: ffff8801d71b2040 RBX: 1ffffffff12a3f46 RCX: 1ffff1003ae36526
[  396.038120] RDX: 0000000000000000 RSI: ffffffff87c4fa12 RDI: 0000000000000293
[  396.045398] RBP: ffff8801b9cce290 R08: ffff8801d71b2930 R09: 0000000000000006
[  396.052678] R10: 0000000000000000 R11: ffff8801d71b2040 R12: 1ffff10037399c45
[  396.059954] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  396.067269]  ? dump_stack+0x34f/0x39d
[  396.071091]  ? dump_stack_print_info.cold.1+0x20/0x20
[  396.076296]  ? mark_held_locks+0x130/0x130
[  396.080538]  ? mark_held_locks+0x130/0x130
[  396.084788]  dump_header+0x27b/0xf72
[  396.088545]  ? pagefault_out_of_memory+0x197/0x197
[  396.093492]  ? __lock_acquire+0x62f/0x4c20
[  396.097751]  ? percpu_ref_get_many+0x240/0x240
[  396.102351]  ? print_usage_bug+0xc0/0xc0
[  396.106427]  ? zap_class+0x640/0x640
[  396.110151]  ? print_usage_bug+0xc0/0xc0
[  396.114217]  ? print_usage_bug+0xc0/0xc0
[  396.118297]  ? zap_class+0x640/0x640
[  396.122023]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.127578]  ? find_held_lock+0x36/0x1c0
[  396.131656]  ? mark_held_locks+0xc7/0x130
[  396.135819]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  396.140935]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  396.146049]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  396.150639]  ? trace_hardirqs_on+0xbd/0x310
[  396.154963]  ? kasan_check_read+0x11/0x20
[  396.159119]  ? ___ratelimit+0x3b4/0x672
[  396.163099]  ? trace_hardirqs_off_caller+0x310/0x310
[  396.168207]  ? trace_hardirqs_on+0x310/0x310
[  396.172624]  ? lock_downgrade+0x900/0x900
[  396.176791]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  396.181908]  ? ___ratelimit+0x3b9/0x672
[  396.185897]  ? idr_get_free+0xf80/0xf80
[  396.189879]  ? find_held_lock+0x36/0x1c0
[  396.193955]  oom_kill_process.cold.27+0x10/0x903
[  396.198728]  ? zap_class+0x640/0x640
[  396.202470]  ? check_preemption_disabled+0x48/0x280
[  396.207502]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  396.212438]  ? kasan_check_read+0x11/0x20
[  396.216593]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.221883]  ? oom_evaluate_task+0x540/0x540
[  396.226314]  ? find_held_lock+0x36/0x1c0
[  396.230402]  ? out_of_memory+0x974/0x1430
[  396.234570]  ? lock_downgrade+0x900/0x900
[  396.238742]  ? check_preemption_disabled+0x48/0x280
[  396.243798]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  396.248750]  ? kasan_check_read+0x11/0x20
[  396.252917]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.258208]  ? rcu_softirq_qs+0x20/0x20
[  396.262201]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.267752]  ? oom_evaluate_task+0x302/0x540
[  396.272173]  out_of_memory+0xa84/0x1430
[  396.276164]  ? oom_killer_disable+0x3a0/0x3a0
[  396.280662]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  396.285599]  ? __ww_mutex_check_waiters+0x160/0x160
[  396.291591]  __alloc_pages_slowpath+0x2354/0x2e10
[  396.296471]  ? warn_alloc+0x120/0x120
[  396.300274]  ? mark_held_locks+0x130/0x130
[  396.304520]  ? find_get_entry+0xaae/0x1120
[  396.308766]  ? filemap_map_pages+0x1a20/0x1a20
[  396.313358]  ? zap_class+0x640/0x640
[  396.317080]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.322622]  ? check_preemption_disabled+0x48/0x280
[  396.327642]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.333183]  ? should_fail+0x22d/0xd01
[  396.337080]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  396.342191]  ? zap_class+0x640/0x640
[  396.345941]  ? __lock_is_held+0xb5/0x140
[  396.350020]  ? mark_held_locks+0x130/0x130
[  396.354280]  ? lock_release+0xa00/0xa00
[  396.358269]  ? perf_trace_sched_process_exec+0x860/0x860
[  396.363747]  ? xa_load+0x2ba/0x460
[  396.367317]  ? lock_downgrade+0x900/0x900
[  396.371495]  ? __might_sleep+0x95/0x190
[  396.375494]  __alloc_pages_nodemask+0xa80/0xde0
[  396.380192]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  396.385234]  ? __page_cache_alloc+0x191/0x5c0
[  396.389745]  ? xa_load+0x2e1/0x460
[  396.393292]  ? xa_clear_mark+0x40/0x40
[  396.397186]  ? zap_class+0x640/0x640
[  396.400914]  ? zap_class+0x640/0x640
[  396.404632]  ? zap_class+0x640/0x640
[  396.408353]  ? __do_page_cache_readahead+0x663/0x810
[  396.413468]  ? find_held_lock+0x36/0x1c0
[  396.417544]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  396.423091]  alloc_pages_current+0x173/0x350
[  396.427516]  __page_cache_alloc+0x38c/0x5c0
[  396.431843]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  396.436778]  ? kasan_check_read+0x11/0x20
[  396.440935]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.446223]  ? generic_perform_write+0x6a0/0x6a0
[  396.450996]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.456542]  ? check_preemption_disabled+0x48/0x280
[  396.461580]  filemap_fault+0x1595/0x25f0
[  396.465667]  ? __lock_page_or_retry+0xa00/0xa00
[  396.470355]  ? mark_held_locks+0x130/0x130
[  396.474613]  ? filemap_map_pages+0xd6b/0x1a20
[  396.479119]  ? lock_downgrade+0x900/0x900
[  396.483276]  ? check_preemption_disabled+0x48/0x280
[  396.488304]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  396.493242]  ? kasan_check_read+0x11/0x20
[  396.497397]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.502680]  ? rcu_softirq_qs+0x20/0x20
[  396.506673]  ? filemap_map_pages+0xd92/0x1a20
[  396.511174]  ? __lock_acquire+0x62f/0x4c20
[  396.515428]  ? find_get_entries_tag+0x1400/0x1400
[  396.520299]  ? lock_acquire+0x1ed/0x520
[  396.524279]  ? ext4_filemap_fault+0x7a/0xad
[  396.528620]  ? lock_release+0xa00/0xa00
[  396.532608]  ? perf_trace_sched_process_exec+0x860/0x860
[  396.538072]  ? print_usage_bug+0xc0/0xc0
[  396.542134]  ? print_usage_bug+0xc0/0xc0
[  396.546209]  ? down_read+0x8d/0x120
[  396.549845]  ? ext4_filemap_fault+0x7a/0xad
[  396.554171]  ? __down_interruptible+0x700/0x700
[  396.558858]  ext4_filemap_fault+0x82/0xad
[  396.563015]  __do_fault+0x100/0x6b0
[  396.566654]  ? pmd_devmap_trans_unstable+0x220/0x220
[  396.571766]  ? mark_held_locks+0x130/0x130
[  396.576005]  ? mark_held_locks+0x130/0x130
[  396.580253]  ? __might_fault+0x12b/0x1e0
[  396.584327]  ? lock_downgrade+0x900/0x900
[  396.588488]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.594046]  __handle_mm_fault+0x3ea6/0x5be0
[  396.598480]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  396.603343]  ? kasan_check_read+0x11/0x20
[  396.607500]  ? _copy_to_user+0xc8/0x110
[  396.611487]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.617053]  ? zap_class+0x640/0x640
[  396.620780]  ? zap_class+0x640/0x640
[  396.624513]  ? find_held_lock+0x36/0x1c0
[  396.628599]  ? handle_mm_fault+0x42a/0xc70
[  396.632848]  ? lock_downgrade+0x900/0x900
[  396.637006]  ? check_preemption_disabled+0x48/0x280
[  396.642035]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  396.646970]  ? kasan_check_read+0x11/0x20
[  396.651120]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.656402]  ? rcu_softirq_qs+0x20/0x20
[  396.660379]  ? trace_hardirqs_off_caller+0x310/0x310
[  396.665489]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.671037]  ? check_preemption_disabled+0x48/0x280
[  396.676068]  handle_mm_fault+0x54f/0xc70
[  396.680145]  ? __handle_mm_fault+0x5be0/0x5be0
[  396.684744]  ? find_vma+0x34/0x190
[  396.688300]  __do_page_fault+0x5e8/0xe60
[  396.692363]  ? trace_hardirqs_off+0xb8/0x310
[  396.696775]  ? retint_kernel+0x2d/0x2d
[  396.700682]  do_page_fault+0xf2/0x7e0
[  396.704486]  ? vmalloc_sync_all+0x30/0x30
[  396.708637]  ? error_entry+0x70/0xd0
[  396.712364]  ? trace_hardirqs_off_caller+0xbb/0x310
[  396.717380]  ? trace_hardirqs_on_caller+0xc0/0x310
[  396.722314]  ? syscall_return_slowpath+0x5e0/0x5e0
[  396.727254]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.732108]  ? trace_hardirqs_on_caller+0x310/0x310
[  396.737129]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  396.742588]  ? prepare_exit_to_usermode+0x291/0x3b0
[  396.747610]  ? page_fault+0x8/0x30
[  396.751158]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.756006]  ? page_fault+0x8/0x30
[  396.759553]  page_fault+0x1e/0x30
[  396.763005] RIP: 0033:0x45d911
[  396.766210] Code: Bad RIP value.
[  396.769577] RSP: 002b:000000c420035f18 EFLAGS: 00010246
[  396.774941] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 000000000045d911
[  396.782214] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  396.789488] RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
[  396.796761] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  396.804028] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  396.811344] warn_alloc_show_mem: 1 callbacks suppressed
[  396.811356] CPU: 0 PID: 11721 Comm: syz-executor5 Not tainted 4.19.0+ #74
[  396.811358] Mem-Info:
[  396.811389] active_anon:50643 inactive_anon:847 isolated_anon:0
[  396.811389]  active_file:14 inactive_file:13 isolated_file:0
[  396.811389]  unevictable:0 dirty:0 writeback:0 unstable:0
[  396.811389]  slab_reclaimable:9230 slab_unreclaimable:1469886
[  396.811389]  mapped:49154 shmem:854 pagetables:629 bounce:0
[  396.811389]  free:13794 free_pcp:158 free_cma:0
[  396.816742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  396.816751] Call Trace:
[  396.823692] Node 0 active_anon:202572kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3416kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  396.826089]  <IRQ>
[  396.858968] 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
[  396.868342]  dump_stack+0x244/0x39d
[  396.870901] lowmem_reserve[]: 0 2818 6321 6321
[  396.898602]  ? dump_stack_print_info.cold.1+0x20/0x20
[  396.900742] Node 0 DMA32 free:25280kB min:30052kB low:37564kB high:45076kB active_anon:236kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  396.926874]  warn_alloc.cold.116+0xb7/0x1bd
[  396.930473] lowmem_reserve[]: 0 0 3503 3503
[  396.935059]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  396.940251] Node 0 Normal free:13988kB min:37364kB low:46704kB high:56044kB active_anon:202336kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:412kB local_pcp:252kB free_cma:0kB
[  396.967782]  ? lock_downgrade+0x900/0x900
[  396.972073] lowmem_reserve[]: 0 0 0 0
[  396.976408]  ? trace_hardirqs_off+0xb8/0x310
[  396.981224] 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
[  397.010214]  ? trace_hardirqs_off+0xb8/0x310
[  397.014336] Node 0 DMA32: 2*4kB (H) 3*8kB (UMH) 2*16kB (M) 2*32kB (MH) 5*64kB (MH) 4*128kB (M) 5*256kB (MH) 5*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 25280kB
[  397.018142]  __alloc_pages_slowpath+0x26e8/0x2e10
[  397.022533] Node 0 Normal: 737*4kB (UMEH) 442*8kB (UME) 213*16kB (UME) 70*32kB (UME) 7*64kB (UMH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13988kB
[  397.036087]  ? warn_alloc+0x120/0x120
[  397.040455] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  397.055909]  ? print_usage_bug+0xc0/0xc0
[  397.060744] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  397.076084]  ? warn_alloc+0x120/0x120
[  397.079864] 881 total pagecache pages
[  397.088704]  ? warn_alloc+0x120/0x120
[  397.092756] 0 pages in swap cache
[  397.101338]  ? print_usage_bug+0xc0/0xc0
[  397.105118] Swap cache stats: add 0, delete 0, find 0/0
[  397.108909]  ? kvm_clock_read+0x18/0x30
[  397.112685] Free swap  = 0kB
[  397.116132]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  397.120164] Total swap = 0kB
[  397.125523]  ? print_usage_bug+0xc0/0xc0
[  397.129471] 1965979 pages RAM
[  397.132487]  ? __lock_acquire+0x62f/0x4c20
[  397.137483] 0 pages HighMem/MovableOnly
[  397.140521]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.144554] 342858 pages reserved
[  397.147652]  ? should_fail+0x22d/0xd01
[  397.151860] 0 pages cma reserved
[  397.155829]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  397.161414] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  397.164798]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  397.164814]  ? __lock_acquire+0x62f/0x4c20
[  397.164832]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  397.168766] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  397.172073]  ? __lock_acquire+0x62f/0x4c20
[  397.177336] syz-fuzzer cpuset=/ mems_allowed=0
[  397.183837]  ? should_fail+0x22d/0xd01
[  397.221137]  ? rcu_irq_exit+0x1a2/0x390
[  397.225217]  ? mark_held_locks+0x130/0x130
[  397.229459]  ? mark_held_locks+0x130/0x130
[  397.233702]  ? mark_held_locks+0xc7/0x130
[  397.237867]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  397.242885]  ? zap_class+0x640/0x640
[  397.246599]  ? print_usage_bug+0xc0/0xc0
[  397.250671]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.256213]  ? check_preemption_disabled+0x48/0x280
[  397.261243]  ? __lock_is_held+0xb5/0x140
[  397.265317]  __alloc_pages_nodemask+0xa80/0xde0
[  397.269988]  ? zap_class+0x640/0x640
[  397.273709]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  397.278766]  ? find_held_lock+0x36/0x1c0
[  397.282845]  ? ____cache_alloc_node+0x1c7/0x1e0
[  397.287518]  ? lock_downgrade+0x900/0x900
[  397.291677]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.297232]  cache_grow_begin+0xa5/0x8c0
[  397.301301]  ? do_raw_spin_unlock+0xa7/0x330
[  397.305739]  fallback_alloc+0x204/0x2e0
[  397.309742]  ____cache_alloc_node+0x1c7/0x1e0
[  397.314265]  kmem_cache_alloc_node+0xe3/0x730
[  397.318763]  ? ipv6_get_ifaddr+0x42e/0x620
[  397.323007]  __alloc_skb+0x119/0x770
[  397.326736]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  397.332041]  ? netdev_alloc_frag+0x1f0/0x1f0
[  397.336465]  ? lock_downgrade+0x900/0x900
[  397.340627]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.346165]  ? refcount_sub_and_test_checked+0x203/0x310
[  397.351619]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  397.357073]  ? addrconf_rs_timer+0x690/0x690
[  397.361492]  ndisc_alloc_skb+0x144/0x340
[  397.365559]  ndisc_send_rs+0x331/0x6e0
[  397.369451]  addrconf_rs_timer+0x314/0x690
[  397.373694]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.377951]  call_timer_fn+0x272/0x920
[  397.381837]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.386072]  ? process_timeout+0x40/0x40
[  397.390143]  ? __run_timers+0x7da/0xc70
[  397.394124]  ? _raw_spin_unlock_irq+0x27/0x80
[  397.398623]  ? _raw_spin_unlock_irq+0x27/0x80
[  397.403114]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.407351]  ? lockdep_hardirqs_on+0x296/0x5b0
[  397.411936]  ? trace_hardirqs_on+0xbd/0x310
[  397.416260]  ? kasan_check_read+0x11/0x20
[  397.420408]  ? __run_timers+0x7da/0xc70
[  397.424386]  ? trace_hardirqs_off_caller+0x310/0x310
[  397.429492]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.433745]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.437982]  __run_timers+0x7e5/0xc70
[  397.441799]  ? timer_fixup_init+0x70/0x70
[  397.445949]  ? kasan_check_read+0x11/0x20
[  397.450096]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  397.455377]  ? rcu_softirq_qs+0x20/0x20
[  397.459355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.464898]  ? check_preemption_disabled+0x48/0x280
[  397.469925]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  397.474686]  ? retint_kernel+0x2d/0x2d
[  397.478599]  ? trace_hardirqs_on_caller+0xc0/0x310
[  397.483530]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  397.488292]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  397.493756]  ? zap_class+0x640/0x640
[  397.497481]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.503020]  ? check_preemption_disabled+0x48/0x280
[  397.508056]  ? __lock_is_held+0xb5/0x140
[  397.512121]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.517661]  ? check_preemption_disabled+0x48/0x280
[  397.522687]  run_timer_softirq+0x52/0xb0
[  397.526764]  ? rcu_read_lock_sched_held+0x14f/0x180
[  397.531791]  __do_softirq+0x308/0xb7e
[  397.535596]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  397.540094]  ? lock_downgrade+0x900/0x900
[  397.544249]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  397.549365]  ? pvclock_read_flags+0x160/0x160
[  397.553863]  ? lapic_next_event+0x5a/0x90
[  397.558020]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.563564]  ? kvm_clock_read+0x18/0x30
[  397.567888]  ? kvm_sched_clock_read+0x9/0x20
[  397.572302]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.577844]  ? check_preemption_disabled+0x48/0x280
[  397.582876]  irq_exit+0x17f/0x1c0
[  397.586343]  smp_apic_timer_interrupt+0x1cb/0x760
[  397.591188]  ? smp_reschedule_interrupt+0x109/0x650
[  397.596213]  ? smp_call_function_single_interrupt+0x650/0x650
[  397.602105]  ? interrupt_entry+0xb5/0xc0
[  397.606176]  ? trace_hardirqs_off_caller+0xbb/0x310
[  397.611200]  ? trace_hardirqs_off_caller+0xbb/0x310
[  397.616228]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  397.621078]  ? trace_hardirqs_on_caller+0x310/0x310
[  397.626097]  ? trace_hardirqs_on_caller+0x310/0x310
[  397.631120]  ? task_prio+0x50/0x50
[  397.634672]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.640217]  ? check_preemption_disabled+0x48/0x280
[  397.645244]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  397.650105]  apic_timer_interrupt+0xf/0x20
[  397.654333]  </IRQ>
[  397.656578] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  397.661511] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 14
[  397.680422] RSP: 0000:ffff8801bf14f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  397.688135] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  397.695408] RDX: 0000000000000000 RSI: ffff8801b68a4c40 RDI: 0000000000000286
[  397.702688] RBP: ffff8801bf14f7a0 R08: ffff8801b68a43c0 R09: 0000000000000000
[  397.709967] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  397.717238] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  397.724561]  skb_clone+0x1bb/0x500
[  397.728109]  ? finish_task_switch+0x2f4/0x910
[  397.732606]  ? skb_split+0x11e0/0x11e0
[  397.736499]  ? preempt_notifier_register+0x200/0x200
[  397.741604]  ? __switch_to_asm+0x34/0x70
[  397.745670]  ? __switch_to_asm+0x34/0x70
[  397.749756]  ? __switch_to_asm+0x40/0x70
[  397.753823]  ? __switch_to_asm+0x34/0x70
[  397.757882]  ? __switch_to_asm+0x40/0x70
[  397.761945]  ? __switch_to_asm+0x34/0x70
[  397.766006]  ? __switch_to_asm+0x40/0x70
[  397.770069]  ? __switch_to_asm+0x34/0x70
[  397.774614]  ? __switch_to_asm+0x34/0x70
[  397.778677]  ? __switch_to_asm+0x40/0x70
[  397.782746]  ? __switch_to_asm+0x34/0x70
[  397.786821]  bpf_clone_redirect+0xb9/0x490
[  397.791071]  ? __schedule+0x8d7/0x21d0
[  397.794965]  bpf_prog_bebbfe2050753572+0x6c2/0x1000
[  397.799982]  ? __sched_text_start+0x8/0x8
[  397.804132]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  397.808894]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  397.813478]  ? retint_kernel+0x2d/0x2d
[  397.817373]  ? find_held_lock+0x36/0x1c0
[  397.821443]  ? lock_acquire+0x1ed/0x520
[  397.825419]  ? bpf_test_run+0x3cb/0x780
[  397.829398]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.834941]  ? check_preemption_disabled+0x48/0x280
[  397.839970]  ? kasan_check_read+0x11/0x20
[  397.844121]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  397.849421]  ? rcu_softirq_qs+0x20/0x20
[  397.853402]  ? preempt_schedule+0x4d/0x60
[  397.858133]  ? ___preempt_schedule+0x16/0x18
[  397.862554]  ? bpf_test_run+0x25d/0x780
[  397.866542]  ? netlink_diag_dump+0x2a0/0x2a0
[  397.870961]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.876501]  ? bpf_test_init.isra.10+0x70/0x100
[  397.881179]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  397.885954]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  397.890807]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  397.896354]  ? fput+0x130/0x1a0
[  397.899639]  ? __bpf_prog_get+0x9b/0x290
[  397.904088]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  397.908930]  ? bpf_prog_test_run+0x130/0x1a0
[  397.913346]  ? __x64_sys_bpf+0x3d8/0x520
[  397.917410]  ? bpf_prog_get+0x20/0x20
[  397.921236]  ? do_syscall_64+0x1b9/0x820
[  397.925302]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  397.930671]  ? syscall_return_slowpath+0x5e0/0x5e0
[  397.935599]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  397.940447]  ? trace_hardirqs_on_caller+0x310/0x310
[  397.945469]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  397.950494]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.956038]  ? prepare_exit_to_usermode+0x291/0x3b0
[  397.961065]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  397.965939]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  397.971326] CPU: 1 PID: 5666 Comm: syz-fuzzer Not tainted 4.19.0+ #74
[  397.971403] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  397.977909] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  397.977914] Call Trace:
[  397.977921]  <IRQ>
[  397.977940]  dump_stack+0x244/0x39d
[  397.977958]  ? dump_stack_print_info.cold.1+0x20/0x20
[  397.984523] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  397.993801]  warn_alloc.cold.116+0xb7/0x1bd
[  397.996350] syz-executor5 cpuset=syz5 mems_allowed=0
[  397.998494]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  398.031983]  ? lock_downgrade+0x900/0x900
[  398.036145]  ? trace_hardirqs_off+0xb8/0x310
[  398.040562]  ? trace_hardirqs_off+0xb8/0x310
[  398.044983]  __alloc_pages_slowpath+0x26e8/0x2e10
[  398.049858]  ? warn_alloc+0x120/0x120
[  398.053664]  ? print_usage_bug+0xc0/0xc0
[  398.057735]  ? warn_alloc+0x120/0x120
[  398.061543]  ? warn_alloc+0x120/0x120
[  398.065350]  ? print_usage_bug+0xc0/0xc0
[  398.069420]  ? print_usage_bug+0xc0/0xc0
[  398.073486]  ? __lock_acquire+0x62f/0x4c20
[  398.077737]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.083278]  ? should_fail+0x22d/0xd01
[  398.087171]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  398.092277]  ? __lock_acquire+0x62f/0x4c20
[  398.096519]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  398.101624]  ? __lock_acquire+0x62f/0x4c20
[  398.105865]  ? should_fail+0x22d/0xd01
[  398.109763]  ? find_held_lock+0x36/0x1c0
[  398.113837]  ? mark_held_locks+0x130/0x130
[  398.118082]  ? mark_held_locks+0x130/0x130
[  398.122317]  ? zap_class+0x640/0x640
[  398.126039]  ? zap_class+0x640/0x640
[  398.129760]  ? print_usage_bug+0xc0/0xc0
[  398.133823]  ? do_raw_spin_unlock+0xa7/0x330
[  398.138243]  ? zap_class+0x640/0x640
[  398.141962]  ? print_usage_bug+0xc0/0xc0
[  398.146027]  ? wq_watchdog_touch+0x9c/0xfe
[  398.150275]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.155822]  ? check_preemption_disabled+0x48/0x280
[  398.160855]  ? __lock_is_held+0xb5/0x140
[  398.164928]  __alloc_pages_nodemask+0xa80/0xde0
[  398.169607]  ? zap_class+0x640/0x640
[  398.173354]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  398.178389]  ? find_held_lock+0x36/0x1c0
[  398.182467]  ? ____cache_alloc_node+0x1c7/0x1e0
[  398.187148]  ? lock_downgrade+0x900/0x900
[  398.191311]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.196857]  cache_grow_begin+0xa5/0x8c0
[  398.200925]  ? do_raw_spin_unlock+0xa7/0x330
[  398.205346]  fallback_alloc+0x204/0x2e0
[  398.209335]  ____cache_alloc_node+0x1c7/0x1e0
[  398.213844]  kmem_cache_alloc_node+0xe3/0x730
[  398.218358]  ? ipv6_get_ifaddr+0x42e/0x620
[  398.222604]  __alloc_skb+0x119/0x770
[  398.226320]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  398.231608]  ? netdev_alloc_frag+0x1f0/0x1f0
[  398.236024]  ? lock_downgrade+0x900/0x900
[  398.240186]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.245736]  ? refcount_sub_and_test_checked+0x203/0x310
[  398.251197]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  398.256652]  ? addrconf_rs_timer+0x690/0x690
[  398.261074]  ndisc_alloc_skb+0x144/0x340
[  398.265147]  ndisc_send_rs+0x331/0x6e0
[  398.269042]  addrconf_rs_timer+0x314/0x690
[  398.273283]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.277535]  call_timer_fn+0x272/0x920
[  398.281422]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.285660]  ? process_timeout+0x40/0x40
[  398.289745]  ? mark_held_locks+0xc7/0x130
[  398.293904]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.298403]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.302902]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.307147]  ? lockdep_hardirqs_on+0x296/0x5b0
[  398.311745]  ? trace_hardirqs_on+0xbd/0x310
[  398.316075]  ? kasan_check_read+0x11/0x20
[  398.320235]  ? __run_timers+0x7da/0xc70
[  398.324216]  ? trace_hardirqs_off_caller+0x310/0x310
[  398.329334]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.333580]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.337820]  __run_timers+0x7e5/0xc70
[  398.341642]  ? timer_fixup_init+0x70/0x70
[  398.345821]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  398.350846]  ? zap_class+0x640/0x640
[  398.354570]  ? print_usage_bug+0xc0/0xc0
[  398.358636]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  398.363841]  ? find_held_lock+0x36/0x1c0
[  398.367917]  ? zap_class+0x640/0x640
[  398.371642]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.377187]  ? check_preemption_disabled+0x48/0x280
[  398.382219]  ? __lock_is_held+0xb5/0x140
[  398.386292]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.391836]  ? check_preemption_disabled+0x48/0x280
[  398.396861]  run_timer_softirq+0x52/0xb0
[  398.400926]  ? rcu_read_lock_sched_held+0x14f/0x180
[  398.405948]  __do_softirq+0x308/0xb7e
[  398.409763]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  398.414261]  ? lock_downgrade+0x900/0x900
[  398.418418]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  398.423532]  ? pvclock_read_flags+0x160/0x160
[  398.428034]  ? lapic_next_event+0x5a/0x90
[  398.432192]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.437745]  ? kvm_clock_read+0x18/0x30
[  398.441756]  ? kvm_sched_clock_read+0x9/0x20
[  398.446190]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.451737]  ? check_preemption_disabled+0x48/0x280
[  398.456772]  irq_exit+0x17f/0x1c0
[  398.460237]  smp_apic_timer_interrupt+0x1cb/0x760
[  398.465087]  ? smp_reschedule_interrupt+0x109/0x650
[  398.470106]  ? smp_call_function_single_interrupt+0x650/0x650
[  398.475994]  ? interrupt_entry+0xb5/0xc0
[  398.480060]  ? trace_hardirqs_off_caller+0xbb/0x310
[  398.485078]  ? trace_hardirqs_off_caller+0xbb/0x310
[  398.490101]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.494951]  ? trace_hardirqs_on_caller+0x310/0x310
[  398.499969]  ? trace_hardirqs_on_caller+0x310/0x310
[  398.505003]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.509862]  apic_timer_interrupt+0xf/0x20
[  398.514093]  </IRQ>
[  398.516334] RIP: 0010:dump_stack+0x358/0x39d
[  398.520750] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 a1 9c fd f9 48 83 3d 29 00 8d 01 00 0f 84 63 fe ff ff e8 ee 69 ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db 69 ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  398.539665] RSP: 0000:ffff8801b9cce1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  398.547384] RAX: ffff8801d71b2040 RBX: 1ffffffff12a3f46 RCX: 1ffff1003ae36526
[  398.554661] RDX: 0000000000000000 RSI: ffffffff87c4fa12 RDI: 0000000000000293
[  398.561935] RBP: ffff8801b9cce290 R08: ffff8801d71b2930 R09: 0000000000000006
[  398.569207] R10: 0000000000000000 R11: ffff8801d71b2040 R12: 1ffff10037399c45
[  398.576482] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  398.583785]  ? dump_stack+0x34f/0x39d
[  398.587612]  ? dump_stack_print_info.cold.1+0x20/0x20
[  398.592825]  ? mark_held_locks+0x130/0x130
[  398.597069]  ? mark_held_locks+0x130/0x130
[  398.601317]  dump_header+0x27b/0xf72
[  398.605050]  ? pagefault_out_of_memory+0x197/0x197
[  398.609991]  ? __lock_acquire+0x62f/0x4c20
[  398.614236]  ? percpu_ref_get_many+0x240/0x240
[  398.618827]  ? print_usage_bug+0xc0/0xc0
[  398.622902]  ? zap_class+0x640/0x640
[  398.626628]  ? print_usage_bug+0xc0/0xc0
[  398.630691]  ? print_usage_bug+0xc0/0xc0
[  398.634769]  ? zap_class+0x640/0x640
[  398.638492]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.644038]  ? find_held_lock+0x36/0x1c0
[  398.648135]  ? mark_held_locks+0xc7/0x130
[  398.652294]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  398.657398]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  398.662507]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  398.667093]  ? trace_hardirqs_on+0xbd/0x310
[  398.671421]  ? kasan_check_read+0x11/0x20
[  398.675571]  ? ___ratelimit+0x3b4/0x672
[  398.679552]  ? trace_hardirqs_off_caller+0x310/0x310
[  398.684660]  ? trace_hardirqs_on+0x310/0x310
[  398.689071]  ? lock_downgrade+0x900/0x900
[  398.693235]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  398.698343]  ? ___ratelimit+0x3b9/0x672
[  398.702327]  ? idr_get_free+0xf80/0xf80
[  398.706304]  ? find_held_lock+0x36/0x1c0
[  398.710387]  oom_kill_process.cold.27+0x10/0x903
[  398.715153]  ? zap_class+0x640/0x640
[  398.718871]  ? check_preemption_disabled+0x48/0x280
[  398.723898]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  398.728832]  ? kasan_check_read+0x11/0x20
[  398.732981]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  398.738269]  ? oom_evaluate_task+0x540/0x540
[  398.742691]  ? find_held_lock+0x36/0x1c0
[  398.746778]  ? out_of_memory+0x974/0x1430
[  398.750936]  ? lock_downgrade+0x900/0x900
[  398.755093]  ? check_preemption_disabled+0x48/0x280
[  398.760115]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  398.765050]  ? kasan_check_read+0x11/0x20
[  398.769199]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  398.774571]  ? rcu_softirq_qs+0x20/0x20
[  398.778554]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.784091]  ? oom_evaluate_task+0x302/0x540
[  398.788507]  out_of_memory+0xa84/0x1430
[  398.792495]  ? oom_killer_disable+0x3a0/0x3a0
[  398.796997]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  398.801933]  ? __ww_mutex_check_waiters+0x160/0x160
[  398.806966]  __alloc_pages_slowpath+0x2354/0x2e10
[  398.811846]  ? warn_alloc+0x120/0x120
[  398.815648]  ? mark_held_locks+0x130/0x130
[  398.819893]  ? find_get_entry+0xaae/0x1120
[  398.824145]  ? filemap_map_pages+0x1a20/0x1a20
[  398.828766]  ? zap_class+0x640/0x640
[  398.832488]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.838031]  ? check_preemption_disabled+0x48/0x280
[  398.843054]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.848594]  ? should_fail+0x22d/0xd01
[  398.852487]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  398.857595]  ? zap_class+0x640/0x640
[  398.861342]  ? __lock_is_held+0xb5/0x140
[  398.865416]  ? mark_held_locks+0x130/0x130
[  398.869654]  ? lock_release+0xa00/0xa00
[  398.873636]  ? perf_trace_sched_process_exec+0x860/0x860
[  398.879092]  ? xa_load+0x2ba/0x460
[  398.882644]  ? lock_downgrade+0x900/0x900
[  398.886804]  ? __might_sleep+0x95/0x190
[  398.890787]  __alloc_pages_nodemask+0xa80/0xde0
[  398.895466]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  398.900489]  ? __page_cache_alloc+0x191/0x5c0
[  398.904984]  ? xa_load+0x2e1/0x460
[  398.908525]  ? xa_clear_mark+0x40/0x40
[  398.912419]  ? zap_class+0x640/0x640
[  398.916143]  ? zap_class+0x640/0x640
[  398.919856]  ? zap_class+0x640/0x640
[  398.923572]  ? __do_page_cache_readahead+0x663/0x810
[  398.928684]  ? find_held_lock+0x36/0x1c0
[  398.932760]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  398.938305]  alloc_pages_current+0x173/0x350
[  398.942734]  __page_cache_alloc+0x38c/0x5c0
[  398.947058]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  398.952017]  ? kasan_check_read+0x11/0x20
[  398.956164]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  398.961447]  ? generic_perform_write+0x6a0/0x6a0
[  398.966205]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.971754]  ? check_preemption_disabled+0x48/0x280
[  398.976783]  filemap_fault+0x1595/0x25f0
[  398.980861]  ? __lock_page_or_retry+0xa00/0xa00
[  398.985537]  ? mark_held_locks+0x130/0x130
[  398.989786]  ? filemap_map_pages+0xd6b/0x1a20
[  398.994305]  ? lock_downgrade+0x900/0x900
[  398.998455]  ? check_preemption_disabled+0x48/0x280
[  399.003478]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  399.008407]  ? kasan_check_read+0x11/0x20
[  399.012554]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.017831]  ? rcu_softirq_qs+0x20/0x20
[  399.021846]  ? filemap_map_pages+0xd92/0x1a20
[  399.026346]  ? __lock_acquire+0x62f/0x4c20
[  399.030590]  ? find_get_entries_tag+0x1400/0x1400
[  399.035469]  ? lock_acquire+0x1ed/0x520
[  399.039448]  ? ext4_filemap_fault+0x7a/0xad
[  399.043787]  ? lock_release+0xa00/0xa00
[  399.047766]  ? perf_trace_sched_process_exec+0x860/0x860
[  399.053219]  ? print_usage_bug+0xc0/0xc0
[  399.057287]  ? print_usage_bug+0xc0/0xc0
[  399.061363]  ? down_read+0x8d/0x120
[  399.064993]  ? ext4_filemap_fault+0x7a/0xad
[  399.069322]  ? __down_interruptible+0x700/0x700
[  399.074006]  ext4_filemap_fault+0x82/0xad
[  399.078162]  __do_fault+0x100/0x6b0
[  399.081801]  ? pmd_devmap_trans_unstable+0x220/0x220
[  399.086928]  ? mark_held_locks+0x130/0x130
[  399.091166]  ? mark_held_locks+0x130/0x130
[  399.095407]  ? __might_fault+0x12b/0x1e0
[  399.099472]  ? lock_downgrade+0x900/0x900
[  399.103629]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.109174]  __handle_mm_fault+0x3ea6/0x5be0
[  399.113593]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  399.118444]  ? kasan_check_read+0x11/0x20
[  399.122596]  ? _copy_to_user+0xc8/0x110
[  399.126576]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.132130]  ? zap_class+0x640/0x640
[  399.135847]  ? zap_class+0x640/0x640
[  399.139573]  ? find_held_lock+0x36/0x1c0
[  399.143647]  ? handle_mm_fault+0x42a/0xc70
[  399.147886]  ? lock_downgrade+0x900/0x900
[  399.152035]  ? check_preemption_disabled+0x48/0x280
[  399.157057]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  399.161995]  ? kasan_check_read+0x11/0x20
[  399.166146]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.171426]  ? rcu_softirq_qs+0x20/0x20
[  399.175404]  ? trace_hardirqs_off_caller+0x310/0x310
[  399.180514]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.186061]  ? check_preemption_disabled+0x48/0x280
[  399.191115]  handle_mm_fault+0x54f/0xc70
[  399.195189]  ? __handle_mm_fault+0x5be0/0x5be0
[  399.199782]  ? find_vma+0x34/0x190
[  399.203334]  __do_page_fault+0x5e8/0xe60
[  399.207409]  ? trace_hardirqs_off+0xb8/0x310
[  399.211826]  ? retint_kernel+0x2d/0x2d
[  399.215746]  do_page_fault+0xf2/0x7e0
[  399.219565]  ? vmalloc_sync_all+0x30/0x30
[  399.223834]  ? error_entry+0x70/0xd0
[  399.227569]  ? trace_hardirqs_off_caller+0xbb/0x310
[  399.232602]  ? trace_hardirqs_on_caller+0xc0/0x310
[  399.237551]  ? syscall_return_slowpath+0x5e0/0x5e0
[  399.242499]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  399.247364]  ? trace_hardirqs_on_caller+0x310/0x310
[  399.252399]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  399.257874]  ? prepare_exit_to_usermode+0x291/0x3b0
[  399.262906]  ? page_fault+0x8/0x30
[  399.266464]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  399.271335]  ? page_fault+0x8/0x30
[  399.274883]  page_fault+0x1e/0x30
[  399.278334] RIP: 0033:0x45d911
[  399.281538] Code: Bad RIP value.
[  399.284899] RSP: 002b:000000c420035f18 EFLAGS: 00010246
[  399.290263] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 000000000045d911
[  399.297534] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  399.304804] RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
[  399.312076] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  399.319349] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  399.326654] CPU: 0 PID: 11721 Comm: syz-executor5 Not tainted 4.19.0+ #74
[  399.326660] warn_alloc_show_mem: 1 callbacks suppressed
[  399.326667] Mem-Info:
[  399.333594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  399.338962] active_anon:50643 inactive_anon:847 isolated_anon:0
[  399.338962]  active_file:14 inactive_file:13 isolated_file:0
[  399.338962]  unevictable:0 dirty:0 writeback:0 unstable:0
[  399.338962]  slab_reclaimable:9230 slab_unreclaimable:1469886
[  399.338962]  mapped:49154 shmem:854 pagetables:629 bounce:0
[  399.338962]  free:13794 free_pcp:158 free_cma:0
[  399.341336] Call Trace:
[  399.350734] Node 0 active_anon:202572kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3416kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  399.383611]  <IRQ>
[  399.386186] 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
[  399.413872]  dump_stack+0x244/0x39d
[  399.416003] lowmem_reserve[]: 0 2818 6321 6321
[  399.442118]  ? dump_stack_print_info.cold.1+0x20/0x20
[  399.445730] Node 0 DMA32 free:25280kB min:30052kB low:37564kB high:45076kB active_anon:236kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  399.450321]  warn_alloc.cold.116+0xb7/0x1bd
[  399.455478] lowmem_reserve[]: 0 0 3503 3503
[  399.482982]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  399.487279] Node 0 Normal free:13988kB min:37364kB low:46704kB high:56044kB active_anon:202336kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:412kB local_pcp:252kB free_cma:0kB
[  399.491600]  ? lock_downgrade+0x900/0x900
[  399.496419] lowmem_reserve[]: 0 0 0 0
[  399.525401]  ? trace_hardirqs_off+0xb8/0x310
[  399.529523] 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
[  399.533321]  ? trace_hardirqs_off+0xb8/0x310
[  399.537727] Node 0 DMA32: 2*4kB (H) 3*8kB (UMH) 2*16kB (M) 2*32kB (MH) 5*64kB (MH) 4*128kB (M) 5*256kB (MH) 5*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 25280kB
[  399.551270]  __alloc_pages_slowpath+0x26e8/0x2e10
[  399.555664] Node 0 Normal: 737*4kB (UMEH) 442*8kB (UME) 213*16kB (UME) 70*32kB (UME) 7*64kB (UMH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13988kB
[  399.571123]  ? warn_alloc+0x120/0x120
[  399.575927] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  399.591275]  ? print_usage_bug+0xc0/0xc0
[  399.595061] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  399.603892]  ? warn_alloc+0x120/0x120
[  399.607930] 881 total pagecache pages
[  399.616503]  ? warn_alloc+0x120/0x120
[  399.620288] 0 pages in swap cache
[  399.624074]  ? print_usage_bug+0xc0/0xc0
[  399.627855] Swap cache stats: add 0, delete 0, find 0/0
[  399.631300]  ? kvm_clock_read+0x18/0x30
[  399.635337] Free swap  = 0kB
[  399.640716]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  399.644672] Total swap = 0kB
[  399.647684]  ? print_usage_bug+0xc0/0xc0
[  399.652676] 1965979 pages RAM
[  399.655692]  ? __lock_acquire+0x62f/0x4c20
[  399.659743] 0 pages HighMem/MovableOnly
[  399.662846]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.667055] 342858 pages reserved
[  399.671022]  ? should_fail+0x22d/0xd01
[  399.676531] 0 pages cma reserved
[  399.679980]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.683903] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  399.687201]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  399.692574] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  399.698962]  ? __lock_acquire+0x62f/0x4c20
[  399.704045] syz-fuzzer cpuset=/ mems_allowed=0
[  399.714265]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  399.728136]  ? __lock_acquire+0x62f/0x4c20
[  399.732376]  ? should_fail+0x22d/0xd01
[  399.736264]  ? rcu_irq_exit+0x1a2/0x390
[  399.740254]  ? mark_held_locks+0x130/0x130
[  399.744497]  ? mark_held_locks+0x130/0x130
[  399.748752]  ? mark_held_locks+0xc7/0x130
[  399.752906]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  399.757927]  ? zap_class+0x640/0x640
[  399.761742]  ? print_usage_bug+0xc0/0xc0
[  399.765814]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.771844]  ? check_preemption_disabled+0x48/0x280
[  399.776875]  ? __lock_is_held+0xb5/0x140
[  399.780947]  __alloc_pages_nodemask+0xa80/0xde0
[  399.785619]  ? zap_class+0x640/0x640
[  399.789346]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  399.794377]  ? find_held_lock+0x36/0x1c0
[  399.798453]  ? ____cache_alloc_node+0x1c7/0x1e0
[  399.803130]  ? lock_downgrade+0x900/0x900
[  399.807291]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.812841]  cache_grow_begin+0xa5/0x8c0
[  399.816906]  ? do_raw_spin_unlock+0xa7/0x330
[  399.821329]  fallback_alloc+0x204/0x2e0
[  399.825312]  ____cache_alloc_node+0x1c7/0x1e0
[  399.829823]  kmem_cache_alloc_node+0xe3/0x730
[  399.834322]  ? ipv6_get_ifaddr+0x42e/0x620
[  399.838570]  __alloc_skb+0x119/0x770
[  399.842291]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.847577]  ? netdev_alloc_frag+0x1f0/0x1f0
[  399.851988]  ? lock_downgrade+0x900/0x900
[  399.856146]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.861958]  ? refcount_sub_and_test_checked+0x203/0x310
[  399.867415]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  399.872871]  ? addrconf_rs_timer+0x690/0x690
[  399.877295]  ndisc_alloc_skb+0x144/0x340
[  399.881361]  ndisc_send_rs+0x331/0x6e0
[  399.885253]  addrconf_rs_timer+0x314/0x690
[  399.889494]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.893755]  call_timer_fn+0x272/0x920
[  399.897645]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.901996]  ? process_timeout+0x40/0x40
[  399.906075]  ? __run_timers+0x7da/0xc70
[  399.910056]  ? _raw_spin_unlock_irq+0x27/0x80
[  399.914553]  ? _raw_spin_unlock_irq+0x27/0x80
[  399.919075]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.923312]  ? lockdep_hardirqs_on+0x296/0x5b0
[  399.927901]  ? trace_hardirqs_on+0xbd/0x310
[  399.932223]  ? kasan_check_read+0x11/0x20
[  399.936370]  ? __run_timers+0x7da/0xc70
[  399.940347]  ? trace_hardirqs_off_caller+0x310/0x310
[  399.945472]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.949714]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.953967]  __run_timers+0x7e5/0xc70
[  399.957783]  ? timer_fixup_init+0x70/0x70
[  399.961935]  ? kasan_check_read+0x11/0x20
[  399.966086]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.971365]  ? rcu_softirq_qs+0x20/0x20
[  399.975343]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.980883]  ? check_preemption_disabled+0x48/0x280
[  399.985912]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  399.990677]  ? retint_kernel+0x2d/0x2d
[  399.994568]  ? trace_hardirqs_on_caller+0xc0/0x310
[  399.999498]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  400.004259]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  400.009714]  ? zap_class+0x640/0x640
[  400.013452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.018996]  ? check_preemption_disabled+0x48/0x280
[  400.024024]  ? __lock_is_held+0xb5/0x140
[  400.028086]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.033629]  ? check_preemption_disabled+0x48/0x280
[  400.038655]  run_timer_softirq+0x52/0xb0
[  400.042726]  ? rcu_read_lock_sched_held+0x14f/0x180
[  400.047763]  __do_softirq+0x308/0xb7e
[  400.051570]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  400.056064]  ? lock_downgrade+0x900/0x900
[  400.060216]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  400.065328]  ? pvclock_read_flags+0x160/0x160
[  400.069828]  ? lapic_next_event+0x5a/0x90
[  400.073990]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.079533]  ? kvm_clock_read+0x18/0x30
[  400.083511]  ? kvm_sched_clock_read+0x9/0x20
[  400.088097]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.093637]  ? check_preemption_disabled+0x48/0x280
[  400.098681]  irq_exit+0x17f/0x1c0
[  400.102144]  smp_apic_timer_interrupt+0x1cb/0x760
[  400.106988]  ? smp_reschedule_interrupt+0x109/0x650
[  400.112009]  ? smp_call_function_single_interrupt+0x650/0x650
[  400.117897]  ? interrupt_entry+0xb5/0xc0
[  400.121964]  ? trace_hardirqs_off_caller+0xbb/0x310
[  400.126981]  ? trace_hardirqs_off_caller+0xbb/0x310
[  400.132002]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  400.136850]  ? trace_hardirqs_on_caller+0x310/0x310
[  400.141868]  ? trace_hardirqs_on_caller+0x310/0x310
[  400.146885]  ? task_prio+0x50/0x50
[  400.150432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.155974]  ? check_preemption_disabled+0x48/0x280
[  400.160999]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  400.165859]  apic_timer_interrupt+0xf/0x20
[  400.170088]  </IRQ>
[  400.172328] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  400.177275] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 14
[  400.196201] RSP: 0000:ffff8801bf14f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  400.203913] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  400.211180] RDX: 0000000000000000 RSI: ffff8801b68a4c40 RDI: 0000000000000286
[  400.218466] RBP: ffff8801bf14f7a0 R08: ffff8801b68a43c0 R09: 0000000000000000
[  400.225749] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  400.233029] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  400.240363]  skb_clone+0x1bb/0x500
[  400.243914]  ? finish_task_switch+0x2f4/0x910
[  400.248410]  ? skb_split+0x11e0/0x11e0
[  400.252303]  ? preempt_notifier_register+0x200/0x200
[  400.257407]  ? __switch_to_asm+0x34/0x70
[  400.261471]  ? __switch_to_asm+0x34/0x70
[  400.265530]  ? __switch_to_asm+0x40/0x70
[  400.269593]  ? __switch_to_asm+0x34/0x70
[  400.273655]  ? __switch_to_asm+0x40/0x70
[  400.277716]  ? __switch_to_asm+0x34/0x70
[  400.281791]  ? __switch_to_asm+0x40/0x70
[  400.285856]  ? __switch_to_asm+0x34/0x70
[  400.289921]  ? __switch_to_asm+0x34/0x70
[  400.293984]  ? __switch_to_asm+0x40/0x70
[  400.298066]  ? __switch_to_asm+0x34/0x70
[  400.302138]  bpf_clone_redirect+0xb9/0x490
[  400.306375]  ? __schedule+0x8d7/0x21d0
[  400.310274]  bpf_prog_bebbfe2050753572+0x6c2/0x1000
[  400.315299]  ? __sched_text_start+0x8/0x8
[  400.319453]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  400.324218]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  400.328806]  ? retint_kernel+0x2d/0x2d
[  400.332701]  ? find_held_lock+0x36/0x1c0
[  400.336786]  ? lock_acquire+0x1ed/0x520
[  400.340764]  ? bpf_test_run+0x3cb/0x780
[  400.344754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.350297]  ? check_preemption_disabled+0x48/0x280
[  400.355323]  ? kasan_check_read+0x11/0x20
[  400.359472]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  400.364761]  ? rcu_softirq_qs+0x20/0x20
[  400.368751]  ? preempt_schedule+0x4d/0x60
[  400.372904]  ? ___preempt_schedule+0x16/0x18
[  400.377324]  ? bpf_test_run+0x25d/0x780
[  400.381312]  ? netlink_diag_dump+0x2a0/0x2a0
[  400.385738]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.391277]  ? bpf_test_init.isra.10+0x70/0x100
[  400.395954]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  400.400727]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  400.405584]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  400.411124]  ? fput+0x130/0x1a0
[  400.414417]  ? __bpf_prog_get+0x9b/0x290
[  400.418483]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  400.423330]  ? bpf_prog_test_run+0x130/0x1a0
[  400.427758]  ? __x64_sys_bpf+0x3d8/0x520
[  400.431825]  ? bpf_prog_get+0x20/0x20
[  400.435652]  ? do_syscall_64+0x1b9/0x820
[  400.439717]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  400.445100]  ? syscall_return_slowpath+0x5e0/0x5e0
[  400.450033]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  400.454881]  ? trace_hardirqs_on_caller+0x310/0x310
[  400.459903]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  400.464941]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.470501]  ? prepare_exit_to_usermode+0x291/0x3b0
[  400.475528]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  400.480386]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  400.485786] CPU: 1 PID: 5666 Comm: syz-fuzzer Not tainted 4.19.0+ #74
[  400.485857] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  400.492371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  400.492377] Call Trace:
[  400.492383]  <IRQ>
[  400.492403]  dump_stack+0x244/0x39d
[  400.492421]  ? dump_stack_print_info.cold.1+0x20/0x20
[  400.498952] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  400.508284]  warn_alloc.cold.116+0xb7/0x1bd
[  400.510834] syz-executor5 cpuset=syz5 mems_allowed=0
[  400.512983]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  400.546504]  ? lock_downgrade+0x900/0x900
[  400.550667]  ? trace_hardirqs_off+0xb8/0x310
[  400.555087]  ? trace_hardirqs_off+0xb8/0x310
[  400.559508]  __alloc_pages_slowpath+0x26e8/0x2e10
[  400.564390]  ? warn_alloc+0x120/0x120
[  400.568198]  ? print_usage_bug+0xc0/0xc0
[  400.572275]  ? warn_alloc+0x120/0x120
[  400.576084]  ? warn_alloc+0x120/0x120
[  400.579892]  ? print_usage_bug+0xc0/0xc0
[  400.583961]  ? kvm_clock_read+0x18/0x30
[  400.587940]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  400.592966]  ? print_usage_bug+0xc0/0xc0
[  400.597035]  ? __lock_acquire+0x62f/0x4c20
[  400.601281]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.606826]  ? should_fail+0x22d/0xd01
[  400.610727]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  400.616054]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  400.621169]  ? __lock_acquire+0x62f/0x4c20
[  400.625420]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  400.630533]  ? __lock_acquire+0x62f/0x4c20
[  400.634777]  ? should_fail+0x22d/0xd01
[  400.638670]  ? rcu_irq_exit+0x1a2/0x390
[  400.642662]  ? mark_held_locks+0x130/0x130
[  400.646909]  ? mark_held_locks+0x130/0x130
[  400.651162]  ? mark_held_locks+0xc7/0x130
[  400.655320]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  400.660364]  ? zap_class+0x640/0x640
[  400.664086]  ? print_usage_bug+0xc0/0xc0
[  400.668162]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.673706]  ? check_preemption_disabled+0x48/0x280
[  400.678758]  ? __lock_is_held+0xb5/0x140
[  400.682838]  __alloc_pages_nodemask+0xa80/0xde0
[  400.687522]  ? zap_class+0x640/0x640
[  400.691256]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  400.696300]  ? find_held_lock+0x36/0x1c0
[  400.700382]  ? ____cache_alloc_node+0x1c7/0x1e0
[  400.705061]  ? lock_downgrade+0x900/0x900
[  400.709227]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.714782]  cache_grow_begin+0xa5/0x8c0
[  400.718847]  ? do_raw_spin_unlock+0xa7/0x330
[  400.723276]  fallback_alloc+0x204/0x2e0
[  400.727267]  ____cache_alloc_node+0x1c7/0x1e0
[  400.731774]  kmem_cache_alloc_node+0xe3/0x730
[  400.736273]  ? ipv6_get_ifaddr+0x42e/0x620
[  400.740521]  __alloc_skb+0x119/0x770
[  400.744240]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  400.749529]  ? netdev_alloc_frag+0x1f0/0x1f0
[  400.753943]  ? lock_downgrade+0x900/0x900
[  400.758105]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.763654]  ? refcount_sub_and_test_checked+0x203/0x310
[  400.769145]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  400.774603]  ? addrconf_rs_timer+0x690/0x690
[  400.779026]  ndisc_alloc_skb+0x144/0x340
[  400.783095]  ndisc_send_rs+0x331/0x6e0
[  400.786994]  addrconf_rs_timer+0x314/0x690
[  400.791245]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.795505]  call_timer_fn+0x272/0x920
[  400.799397]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.803639]  ? process_timeout+0x40/0x40
[  400.807713]  ? mark_held_locks+0xc7/0x130
[  400.811878]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.816380]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.820878]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.825118]  ? lockdep_hardirqs_on+0x296/0x5b0
[  400.829707]  ? trace_hardirqs_on+0xbd/0x310
[  400.834043]  ? kasan_check_read+0x11/0x20
[  400.838192]  ? __run_timers+0x7da/0xc70
[  400.842172]  ? trace_hardirqs_off_caller+0x310/0x310
[  400.847284]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.851528]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.855768]  __run_timers+0x7e5/0xc70
[  400.859581]  ? timer_fixup_init+0x70/0x70
[  400.863741]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  400.868766]  ? zap_class+0x640/0x640
[  400.872496]  ? print_usage_bug+0xc0/0xc0
[  400.876563]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  400.881769]  ? find_held_lock+0x36/0x1c0
[  400.885837]  ? zap_class+0x640/0x640
[  400.889560]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.895103]  ? check_preemption_disabled+0x48/0x280
[  400.900133]  ? __lock_is_held+0xb5/0x140
[  400.904199]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.909750]  ? check_preemption_disabled+0x48/0x280
[  400.914779]  run_timer_softirq+0x52/0xb0
[  400.918846]  ? rcu_read_lock_sched_held+0x14f/0x180
[  400.923864]  __do_softirq+0x308/0xb7e
[  400.927674]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  400.932181]  ? lock_downgrade+0x900/0x900
[  400.936350]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  400.941461]  ? pvclock_read_flags+0x160/0x160
[  400.945959]  ? lapic_next_event+0x5a/0x90
[  400.950110]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.955658]  ? kvm_clock_read+0x18/0x30
[  400.959634]  ? kvm_sched_clock_read+0x9/0x20
[  400.964049]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.969592]  ? check_preemption_disabled+0x48/0x280
[  400.974618]  irq_exit+0x17f/0x1c0
[  400.978081]  smp_apic_timer_interrupt+0x1cb/0x760
[  400.982927]  ? smp_reschedule_interrupt+0x109/0x650
[  400.987950]  ? smp_call_function_single_interrupt+0x650/0x650
[  400.993836]  ? interrupt_entry+0xb5/0xc0
[  400.997900]  ? trace_hardirqs_off_caller+0xbb/0x310
[  401.002935]  ? trace_hardirqs_off_caller+0xbb/0x310
[  401.007958]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.012807]  ? trace_hardirqs_on_caller+0x310/0x310
[  401.017822]  ? trace_hardirqs_on_caller+0x310/0x310
[  401.022852]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.027708]  apic_timer_interrupt+0xf/0x20
[  401.031946]  </IRQ>
[  401.034185] RIP: 0010:dump_stack+0x358/0x39d
[  401.038593] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 a1 9c fd f9 48 83 3d 29 00 8d 01 00 0f 84 63 fe ff ff e8 ee 69 ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db 69 ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  401.057513] RSP: 0000:ffff8801b9cce1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  401.065225] RAX: ffff8801d71b2040 RBX: 1ffffffff12a3f46 RCX: 1ffff1003ae36526
[  401.072517] RDX: 0000000000000000 RSI: ffffffff87c4fa12 RDI: 0000000000000293
[  401.079786] RBP: ffff8801b9cce290 R08: ffff8801d71b2930 R09: 0000000000000006
[  401.087056] R10: 0000000000000000 R11: ffff8801d71b2040 R12: 1ffff10037399c45
[  401.094324] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  401.101615]  ? dump_stack+0x34f/0x39d
[  401.105432]  ? dump_stack_print_info.cold.1+0x20/0x20
[  401.110633]  ? mark_held_locks+0x130/0x130
[  401.114870]  ? mark_held_locks+0x130/0x130
[  401.119112]  dump_header+0x27b/0xf72
[  401.122847]  ? pagefault_out_of_memory+0x197/0x197
[  401.127785]  ? __lock_acquire+0x62f/0x4c20
[  401.132019]  ? percpu_ref_get_many+0x240/0x240
[  401.136608]  ? print_usage_bug+0xc0/0xc0
[  401.140678]  ? zap_class+0x640/0x640
[  401.144397]  ? print_usage_bug+0xc0/0xc0
[  401.148460]  ? print_usage_bug+0xc0/0xc0
[  401.152525]  ? zap_class+0x640/0x640
[  401.156251]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.161794]  ? find_held_lock+0x36/0x1c0
[  401.165867]  ? mark_held_locks+0xc7/0x130
[  401.170020]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  401.175126]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  401.180239]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  401.184831]  ? trace_hardirqs_on+0xbd/0x310
[  401.189164]  ? kasan_check_read+0x11/0x20
[  401.193318]  ? ___ratelimit+0x3b4/0x672
[  401.197297]  ? trace_hardirqs_off_caller+0x310/0x310
[  401.202407]  ? trace_hardirqs_on+0x310/0x310
[  401.206840]  ? lock_downgrade+0x900/0x900
[  401.211003]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  401.216114]  ? ___ratelimit+0x3b9/0x672
[  401.220092]  ? idr_get_free+0xf80/0xf80
[  401.224070]  ? find_held_lock+0x36/0x1c0
[  401.228156]  oom_kill_process.cold.27+0x10/0x903
[  401.232915]  ? zap_class+0x640/0x640
[  401.236633]  ? check_preemption_disabled+0x48/0x280
[  401.241662]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  401.246604]  ? kasan_check_read+0x11/0x20
[  401.250760]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.256042]  ? oom_evaluate_task+0x540/0x540
[  401.260458]  ? find_held_lock+0x36/0x1c0
[  401.264527]  ? out_of_memory+0x974/0x1430
[  401.268679]  ? lock_downgrade+0x900/0x900
[  401.272834]  ? check_preemption_disabled+0x48/0x280
[  401.277855]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  401.282785]  ? kasan_check_read+0x11/0x20
[  401.286940]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.292220]  ? rcu_softirq_qs+0x20/0x20
[  401.296205]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.301753]  ? oom_evaluate_task+0x302/0x540
[  401.306172]  out_of_memory+0xa84/0x1430
[  401.310156]  ? oom_killer_disable+0x3a0/0x3a0
[  401.314655]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  401.319590]  ? __ww_mutex_check_waiters+0x160/0x160
[  401.324621]  __alloc_pages_slowpath+0x2354/0x2e10
[  401.329497]  ? warn_alloc+0x120/0x120
[  401.333303]  ? mark_held_locks+0x130/0x130
[  401.337543]  ? find_get_entry+0xaae/0x1120
[  401.341794]  ? filemap_map_pages+0x1a20/0x1a20
[  401.346411]  ? zap_class+0x640/0x640
[  401.350136]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.355696]  ? check_preemption_disabled+0x48/0x280
[  401.360731]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.366271]  ? should_fail+0x22d/0xd01
[  401.370171]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  401.375281]  ? zap_class+0x640/0x640
[  401.379021]  ? __lock_is_held+0xb5/0x140
[  401.383094]  ? mark_held_locks+0x130/0x130
[  401.387338]  ? lock_release+0xa00/0xa00
[  401.391316]  ? perf_trace_sched_process_exec+0x860/0x860
[  401.396769]  ? xa_load+0x2ba/0x460
[  401.400313]  ? lock_downgrade+0x900/0x900
[  401.404475]  ? __might_sleep+0x95/0x190
[  401.408458]  __alloc_pages_nodemask+0xa80/0xde0
[  401.413138]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  401.418158]  ? __page_cache_alloc+0x191/0x5c0
[  401.422652]  ? xa_load+0x2e1/0x460
[  401.426195]  ? xa_clear_mark+0x40/0x40
[  401.430089]  ? zap_class+0x640/0x640
[  401.433814]  ? zap_class+0x640/0x640
[  401.437530]  ? zap_class+0x640/0x640
[  401.441267]  ? __do_page_cache_readahead+0x663/0x810
[  401.446379]  ? find_held_lock+0x36/0x1c0
[  401.450451]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  401.455994]  alloc_pages_current+0x173/0x350
[  401.460416]  __page_cache_alloc+0x38c/0x5c0
[  401.464745]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  401.469680]  ? kasan_check_read+0x11/0x20
[  401.473830]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.479119]  ? generic_perform_write+0x6a0/0x6a0
[  401.483883]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.489423]  ? check_preemption_disabled+0x48/0x280
[  401.494454]  filemap_fault+0x1595/0x25f0
[  401.498531]  ? __lock_page_or_retry+0xa00/0xa00
[  401.503215]  ? mark_held_locks+0x130/0x130
[  401.507473]  ? filemap_map_pages+0xd6b/0x1a20
[  401.511973]  ? lock_downgrade+0x900/0x900
[  401.516121]  ? check_preemption_disabled+0x48/0x280
[  401.521162]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  401.526146]  ? kasan_check_read+0x11/0x20
[  401.530313]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.535608]  ? rcu_softirq_qs+0x20/0x20
[  401.539599]  ? filemap_map_pages+0xd92/0x1a20
[  401.544102]  ? __lock_acquire+0x62f/0x4c20
[  401.548363]  ? find_get_entries_tag+0x1400/0x1400
[  401.553228]  ? lock_acquire+0x1ed/0x520
[  401.557209]  ? ext4_filemap_fault+0x7a/0xad
[  401.561549]  ? lock_release+0xa00/0xa00
[  401.565524]  ? perf_trace_sched_process_exec+0x860/0x860
[  401.571023]  ? print_usage_bug+0xc0/0xc0
[  401.575090]  ? print_usage_bug+0xc0/0xc0
[  401.579163]  ? down_read+0x8d/0x120
[  401.582807]  ? ext4_filemap_fault+0x7a/0xad
[  401.587130]  ? __down_interruptible+0x700/0x700
[  401.591810]  ext4_filemap_fault+0x82/0xad
[  401.595961]  __do_fault+0x100/0x6b0
[  401.599597]  ? pmd_devmap_trans_unstable+0x220/0x220
[  401.604706]  ? mark_held_locks+0x130/0x130
[  401.608970]  ? mark_held_locks+0x130/0x130
[  401.613208]  ? __might_fault+0x12b/0x1e0
[  401.617276]  ? lock_downgrade+0x900/0x900
[  401.621451]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.627000]  __handle_mm_fault+0x3ea6/0x5be0
[  401.631419]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  401.636271]  ? kasan_check_read+0x11/0x20
[  401.640419]  ? _copy_to_user+0xc8/0x110
[  401.644417]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.649965]  ? zap_class+0x640/0x640
[  401.653679]  ? zap_class+0x640/0x640
[  401.657404]  ? find_held_lock+0x36/0x1c0
[  401.661492]  ? handle_mm_fault+0x42a/0xc70
[  401.665740]  ? lock_downgrade+0x900/0x900
[  401.669895]  ? check_preemption_disabled+0x48/0x280
[  401.674916]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  401.679848]  ? kasan_check_read+0x11/0x20
[  401.683996]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.689274]  ? rcu_softirq_qs+0x20/0x20
[  401.693255]  ? trace_hardirqs_off_caller+0x310/0x310
[  401.698362]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.703922]  ? check_preemption_disabled+0x48/0x280
[  401.708957]  handle_mm_fault+0x54f/0xc70
[  401.713025]  ? __handle_mm_fault+0x5be0/0x5be0
[  401.717614]  ? find_vma+0x34/0x190
[  401.721162]  __do_page_fault+0x5e8/0xe60
[  401.725226]  ? trace_hardirqs_off+0xb8/0x310
[  401.729641]  ? retint_kernel+0x2d/0x2d
[  401.733539]  do_page_fault+0xf2/0x7e0
[  401.737341]  ? vmalloc_sync_all+0x30/0x30
[  401.741495]  ? error_entry+0x70/0xd0
[  401.745214]  ? trace_hardirqs_off_caller+0xbb/0x310
[  401.750243]  ? trace_hardirqs_on_caller+0xc0/0x310
[  401.755177]  ? syscall_return_slowpath+0x5e0/0x5e0
[  401.760128]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.764974]  ? trace_hardirqs_on_caller+0x310/0x310
[  401.769994]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  401.775645]  ? prepare_exit_to_usermode+0x291/0x3b0
[  401.780668]  ? page_fault+0x8/0x30
[  401.784217]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.789157]  ? page_fault+0x8/0x30
[  401.792745]  page_fault+0x1e/0x30
[  401.796199] RIP: 0033:0x45d911
[  401.799406] Code: Bad RIP value.
[  401.802772] RSP: 002b:000000c420035f18 EFLAGS: 00010246
[  401.808132] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 000000000045d911
[  401.815402] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  401.822670] RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
[  401.829941] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  401.837213] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  401.844519] CPU: 0 PID: 11721 Comm: syz-executor5 Not tainted 4.19.0+ #74
[  401.844525] warn_alloc_show_mem: 1 callbacks suppressed
[  401.844533] Mem-Info:
[  401.851460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  401.856831] active_anon:50643 inactive_anon:847 isolated_anon:0
[  401.856831]  active_file:14 inactive_file:13 isolated_file:0
[  401.856831]  unevictable:0 dirty:0 writeback:0 unstable:0
[  401.856831]  slab_reclaimable:9230 slab_unreclaimable:1469886
[  401.856831]  mapped:49154 shmem:854 pagetables:629 bounce:0
[  401.856831]  free:13794 free_pcp:158 free_cma:0
[  401.859687] Call Trace:
[  401.869081] Node 0 active_anon:202572kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3416kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  401.902130]  <IRQ>
[  401.902150]  dump_stack+0x244/0x39d
[  401.902161]  ? dump_stack_print_info.cold.1+0x20/0x20
[  401.902178]  warn_alloc.cold.116+0xb7/0x1bd
[  401.902187]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  401.902198]  ? lock_downgrade+0x900/0x900
[  401.902212]  ? trace_hardirqs_off+0xb8/0x310
[  401.902223]  ? trace_hardirqs_off+0xb8/0x310
[  401.902238]  __alloc_pages_slowpath+0x26e8/0x2e10
[  401.902276]  ? warn_alloc+0x120/0x120
[  401.904848] 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
[  401.932534]  ? print_usage_bug+0xc0/0xc0
[  401.934660] lowmem_reserve[]: 0 2818 6321 6321
[  401.938290]  ? warn_alloc+0x120/0x120
[  401.943456] Node 0 DMA32 free:25280kB min:30052kB low:37564kB high:45076kB active_anon:236kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  401.947783]  ? warn_alloc+0x120/0x120
[  401.952597] lowmem_reserve[]: 0 0 3503 3503
[  401.956751]  ? print_usage_bug+0xc0/0xc0
[  401.961131] Node 0 Normal free:13988kB min:37364kB low:46704kB high:56044kB active_anon:202336kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:412kB local_pcp:252kB free_cma:0kB
[  401.965552]  ? print_usage_bug+0xc0/0xc0
[  401.970372] lowmem_reserve[]: 0 0 0 0
[  401.974168]  ? __lock_acquire+0x62f/0x4c20
[  402.000269] 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
[  402.004342]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.008895] Node 0 DMA32: 2*4kB (H) 3*8kB (UMH) 2*16kB (M) 2*32kB (MH) 5*64kB (MH) 4*128kB (M) 5*256kB (MH) 5*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 25280kB
[  402.012697]  ? should_fail+0x22d/0xd01
[  402.040178] Node 0 Normal: 737*4kB (UMEH) 442*8kB (UME) 213*16kB (UME) 70*32kB (UME) 7*64kB (UMH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13988kB
[  402.043987]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  402.048287] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  402.052340]  ? __lock_acquire+0x62f/0x4c20
[  402.081306] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  402.085371]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  402.089145] 881 total pagecache pages
[  402.093371]  ? __lock_acquire+0x62f/0x4c20
[  402.093389]  ? should_fail+0x22d/0xd01
[  402.106907] 0 pages in swap cache
[  402.112442]  ? find_held_lock+0x36/0x1c0
[  402.127853] Swap cache stats: add 0, delete 0, find 0/0
[  402.131753]  ? mark_held_locks+0x130/0x130
[  402.147070] Free swap  = 0kB
[  402.152176]  ? mark_held_locks+0x130/0x130
[  402.160983] Total swap = 0kB
[  402.165213]  ? zap_class+0x640/0x640
[  402.173763] 1965979 pages RAM
[  402.178861]  ? zap_class+0x640/0x640
[  402.182637] 0 pages HighMem/MovableOnly
[  402.186868]  ? print_usage_bug+0xc0/0xc0
[  402.190742] 342858 pages reserved
[  402.194192]  ? do_raw_spin_unlock+0xa7/0x330
[  402.198237] 0 pages cma reserved
[  402.203595]  ? zap_class+0x640/0x640
[  402.207867] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  402.210816]  ? print_usage_bug+0xc0/0xc0
[  402.215129] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  402.218039]  ? wq_watchdog_touch+0x9c/0xfe
[  402.221742] syz-fuzzer cpuset=/ mems_allowed=0
[  402.224845]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.286472]  ? check_preemption_disabled+0x48/0x280
[  402.291510]  ? __lock_is_held+0xb5/0x140
[  402.295584]  __alloc_pages_nodemask+0xa80/0xde0
[  402.300264]  ? zap_class+0x640/0x640
[  402.303988]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  402.309019]  ? find_held_lock+0x36/0x1c0
[  402.313094]  ? ____cache_alloc_node+0x1c7/0x1e0
[  402.317776]  ? lock_downgrade+0x900/0x900
[  402.321942]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.327492]  cache_grow_begin+0xa5/0x8c0
[  402.331559]  ? do_raw_spin_unlock+0xa7/0x330
[  402.335992]  fallback_alloc+0x204/0x2e0
[  402.339980]  ____cache_alloc_node+0x1c7/0x1e0
[  402.344502]  kmem_cache_alloc_node+0xe3/0x730
[  402.349001]  ? ipv6_get_ifaddr+0x42e/0x620
[  402.353244]  __alloc_skb+0x119/0x770
[  402.356960]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  402.362250]  ? netdev_alloc_frag+0x1f0/0x1f0
[  402.366663]  ? lock_downgrade+0x900/0x900
[  402.370822]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.376454]  ? refcount_sub_and_test_checked+0x203/0x310
[  402.381914]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  402.387370]  ? addrconf_rs_timer+0x690/0x690
[  402.391798]  ndisc_alloc_skb+0x144/0x340
[  402.395869]  ndisc_send_rs+0x331/0x6e0
[  402.399770]  addrconf_rs_timer+0x314/0x690
[  402.404017]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.408268]  call_timer_fn+0x272/0x920
[  402.412163]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.416399]  ? process_timeout+0x40/0x40
[  402.420472]  ? __run_timers+0x7da/0xc70
[  402.424451]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.428950]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.433445]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.437681]  ? lockdep_hardirqs_on+0x296/0x5b0
[  402.442267]  ? trace_hardirqs_on+0xbd/0x310
[  402.446592]  ? kasan_check_read+0x11/0x20
[  402.450749]  ? __run_timers+0x7da/0xc70
[  402.454742]  ? trace_hardirqs_off_caller+0x310/0x310
[  402.459854]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.464099]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.468333]  __run_timers+0x7e5/0xc70
[  402.472149]  ? timer_fixup_init+0x70/0x70
[  402.476299]  ? kasan_check_read+0x11/0x20
[  402.480449]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  402.485745]  ? rcu_softirq_qs+0x20/0x20
[  402.489741]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.495289]  ? check_preemption_disabled+0x48/0x280
[  402.500319]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  402.505084]  ? retint_kernel+0x2d/0x2d
[  402.508974]  ? trace_hardirqs_on_caller+0xc0/0x310
[  402.513906]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  402.518664]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  402.524118]  ? zap_class+0x640/0x640
[  402.527840]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.533380]  ? check_preemption_disabled+0x48/0x280
[  402.538408]  ? __lock_is_held+0xb5/0x140
[  402.542476]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.548030]  ? check_preemption_disabled+0x48/0x280
[  402.553058]  run_timer_softirq+0x52/0xb0
[  402.557120]  ? rcu_read_lock_sched_held+0x14f/0x180
[  402.562140]  __do_softirq+0x308/0xb7e
[  402.565947]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  402.570442]  ? lock_downgrade+0x900/0x900
[  402.574595]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  402.579713]  ? pvclock_read_flags+0x160/0x160
[  402.584232]  ? lapic_next_event+0x5a/0x90
[  402.588390]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.593941]  ? kvm_clock_read+0x18/0x30
[  402.597919]  ? kvm_sched_clock_read+0x9/0x20
[  402.602341]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.607891]  ? check_preemption_disabled+0x48/0x280
[  402.612920]  irq_exit+0x17f/0x1c0
[  402.616378]  smp_apic_timer_interrupt+0x1cb/0x760
[  402.621225]  ? smp_reschedule_interrupt+0x109/0x650
[  402.626258]  ? smp_call_function_single_interrupt+0x650/0x650
[  402.632144]  ? interrupt_entry+0xb5/0xc0
[  402.636212]  ? trace_hardirqs_off_caller+0xbb/0x310
[  402.641228]  ? trace_hardirqs_off_caller+0xbb/0x310
[  402.646248]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  402.651094]  ? trace_hardirqs_on_caller+0x310/0x310
[  402.656112]  ? trace_hardirqs_on_caller+0x310/0x310
[  402.661129]  ? task_prio+0x50/0x50
[  402.664672]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.670210]  ? check_preemption_disabled+0x48/0x280
[  402.675232]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  402.680089]  apic_timer_interrupt+0xf/0x20
[  402.684323]  </IRQ>
[  402.686571] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  402.691504] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 14
[  402.710430] RSP: 0000:ffff8801bf14f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  402.718143] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  402.725429] RDX: 0000000000000000 RSI: ffff8801b68a4c40 RDI: 0000000000000286
[  402.732698] RBP: ffff8801bf14f7a0 R08: ffff8801b68a43c0 R09: 0000000000000000
[  402.739976] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  402.747242] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  402.754558]  skb_clone+0x1bb/0x500
[  402.758101]  ? finish_task_switch+0x2f4/0x910
[  402.762597]  ? skb_split+0x11e0/0x11e0
[  402.766492]  ? preempt_notifier_register+0x200/0x200
[  402.772095]  ? __switch_to_asm+0x34/0x70
[  402.776158]  ? __switch_to_asm+0x34/0x70
[  402.780218]  ? __switch_to_asm+0x40/0x70
[  402.784284]  ? __switch_to_asm+0x34/0x70
[  402.788345]  ? __switch_to_asm+0x40/0x70
[  402.792405]  ? __switch_to_asm+0x34/0x70
[  402.796469]  ? __switch_to_asm+0x40/0x70
[  402.800533]  ? __switch_to_asm+0x34/0x70
[  402.804595]  ? __switch_to_asm+0x34/0x70
[  402.808655]  ? __switch_to_asm+0x40/0x70
[  402.812718]  ? __switch_to_asm+0x34/0x70
[  402.816805]  bpf_clone_redirect+0xb9/0x490
[  402.821040]  ? __schedule+0x8d7/0x21d0
[  402.824938]  bpf_prog_bebbfe2050753572+0x6c2/0x1000
[  402.829960]  ? __sched_text_start+0x8/0x8
[  402.834112]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  402.838892]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  402.843479]  ? retint_kernel+0x2d/0x2d
[  402.847374]  ? find_held_lock+0x36/0x1c0
[  402.851445]  ? lock_acquire+0x1ed/0x520
[  402.855418]  ? bpf_test_run+0x3cb/0x780
[  402.859398]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.864939]  ? check_preemption_disabled+0x48/0x280
[  402.869966]  ? kasan_check_read+0x11/0x20
[  402.874113]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  402.879391]  ? rcu_softirq_qs+0x20/0x20
[  402.883372]  ? preempt_schedule+0x4d/0x60
[  402.887539]  ? ___preempt_schedule+0x16/0x18
[  402.891958]  ? bpf_test_run+0x25d/0x780
[  402.895943]  ? netlink_diag_dump+0x2a0/0x2a0
[  402.900374]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.905914]  ? bpf_test_init.isra.10+0x70/0x100
[  402.910588]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  402.915355]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  402.920200]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  402.925751]  ? fput+0x130/0x1a0
[  402.929033]  ? __bpf_prog_get+0x9b/0x290
[  402.933103]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  402.937946]  ? bpf_prog_test_run+0x130/0x1a0
[  402.942363]  ? __x64_sys_bpf+0x3d8/0x520
[  402.946428]  ? bpf_prog_get+0x20/0x20
[  402.950251]  ? do_syscall_64+0x1b9/0x820
[  402.954317]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  402.959686]  ? syscall_return_slowpath+0x5e0/0x5e0
[  402.964620]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  402.969468]  ? trace_hardirqs_on_caller+0x310/0x310
[  402.974489]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  402.979507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.985048]  ? prepare_exit_to_usermode+0x291/0x3b0
[  402.990073]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  402.994949]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  403.000336] CPU: 1 PID: 5666 Comm: syz-fuzzer Not tainted 4.19.0+ #74
[  403.000408] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  403.006922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  403.006927] Call Trace:
[  403.006934]  <IRQ>
[  403.006952]  dump_stack+0x244/0x39d
[  403.006970]  ? dump_stack_print_info.cold.1+0x20/0x20
[  403.013533] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  403.022815]  warn_alloc.cold.116+0xb7/0x1bd
[  403.025367] syz-executor5 cpuset=syz5 mems_allowed=0
[  403.027518]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  403.061040]  ? lock_downgrade+0x900/0x900
[  403.065207]  ? trace_hardirqs_off+0xb8/0x310
[  403.069631]  ? trace_hardirqs_off+0xb8/0x310
[  403.074055]  __alloc_pages_slowpath+0x26e8/0x2e10
[  403.078934]  ? warn_alloc+0x120/0x120
[  403.082748]  ? print_usage_bug+0xc0/0xc0
[  403.086820]  ? warn_alloc+0x120/0x120
[  403.090629]  ? warn_alloc+0x120/0x120
[  403.094460]  ? print_usage_bug+0xc0/0xc0
[  403.098526]  ? kvm_clock_read+0x18/0x30
[  403.102503]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  403.107543]  ? print_usage_bug+0xc0/0xc0
[  403.111620]  ? __lock_acquire+0x62f/0x4c20
[  403.115865]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.121407]  ? should_fail+0x22d/0xd01
[  403.125294]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  403.130577]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  403.135686]  ? __lock_acquire+0x62f/0x4c20
[  403.139947]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  403.145055]  ? __lock_acquire+0x62f/0x4c20
[  403.149291]  ? should_fail+0x22d/0xd01
[  403.153178]  ? rcu_irq_exit+0x1a2/0x390
[  403.157167]  ? mark_held_locks+0x130/0x130
[  403.161411]  ? mark_held_locks+0x130/0x130
[  403.165655]  ? mark_held_locks+0xc7/0x130
[  403.169806]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  403.174826]  ? zap_class+0x640/0x640
[  403.178547]  ? print_usage_bug+0xc0/0xc0
[  403.182636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.188178]  ? check_preemption_disabled+0x48/0x280
[  403.193209]  ? __lock_is_held+0xb5/0x140
[  403.197289]  __alloc_pages_nodemask+0xa80/0xde0
[  403.201962]  ? zap_class+0x640/0x640
[  403.205683]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  403.210732]  ? find_held_lock+0x36/0x1c0
[  403.214815]  ? ____cache_alloc_node+0x1c7/0x1e0
[  403.219491]  ? lock_downgrade+0x900/0x900
[  403.223653]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.229210]  cache_grow_begin+0xa5/0x8c0
[  403.233284]  ? do_raw_spin_unlock+0xa7/0x330
[  403.237705]  fallback_alloc+0x204/0x2e0
[  403.241697]  ____cache_alloc_node+0x1c7/0x1e0
[  403.246206]  kmem_cache_alloc_node+0xe3/0x730
[  403.250710]  ? ipv6_get_ifaddr+0x42e/0x620
[  403.254965]  __alloc_skb+0x119/0x770
[  403.258681]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  403.263968]  ? netdev_alloc_frag+0x1f0/0x1f0
[  403.268377]  ? lock_downgrade+0x900/0x900
[  403.272535]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.278091]  ? refcount_sub_and_test_checked+0x203/0x310
[  403.283547]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  403.288999]  ? addrconf_rs_timer+0x690/0x690
[  403.293421]  ndisc_alloc_skb+0x144/0x340
[  403.297492]  ndisc_send_rs+0x331/0x6e0
[  403.301385]  addrconf_rs_timer+0x314/0x690
[  403.305628]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.309879]  call_timer_fn+0x272/0x920
[  403.313771]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.318007]  ? process_timeout+0x40/0x40
[  403.322083]  ? mark_held_locks+0xc7/0x130
[  403.326241]  ? _raw_spin_unlock_irq+0x27/0x80
[  403.330748]  ? _raw_spin_unlock_irq+0x27/0x80
[  403.335250]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.339491]  ? lockdep_hardirqs_on+0x296/0x5b0
[  403.344079]  ? trace_hardirqs_on+0xbd/0x310
[  403.348406]  ? kasan_check_read+0x11/0x20
[  403.352556]  ? __run_timers+0x7da/0xc70
[  403.356534]  ? trace_hardirqs_off_caller+0x310/0x310
[  403.361647]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.365893]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.370151]  __run_timers+0x7e5/0xc70
[  403.373969]  ? timer_fixup_init+0x70/0x70
[  403.378120]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  403.383140]  ? zap_class+0x640/0x640
[  403.386861]  ? print_usage_bug+0xc0/0xc0
[  403.390931]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  403.396131]  ? find_held_lock+0x36/0x1c0
[  403.400199]  ? zap_class+0x640/0x640
[  403.403941]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.409487]  ? check_preemption_disabled+0x48/0x280
[  403.414517]  ? __lock_is_held+0xb5/0x140
[  403.418581]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.424123]  ? check_preemption_disabled+0x48/0x280
[  403.429166]  run_timer_softirq+0x52/0xb0
[  403.433229]  ? rcu_read_lock_sched_held+0x14f/0x180
[  403.438256]  __do_softirq+0x308/0xb7e
[  403.442062]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  403.446557]  ? lock_downgrade+0x900/0x900
[  403.450708]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  403.455830]  ? pvclock_read_flags+0x160/0x160
[  403.460333]  ? lapic_next_event+0x5a/0x90
[  403.464484]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.470029]  ? kvm_clock_read+0x18/0x30
[  403.474008]  ? kvm_sched_clock_read+0x9/0x20
[  403.478423]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.483965]  ? check_preemption_disabled+0x48/0x280
[  403.489011]  irq_exit+0x17f/0x1c0
[  403.492474]  smp_apic_timer_interrupt+0x1cb/0x760
[  403.497320]  ? smp_reschedule_interrupt+0x109/0x650
[  403.502340]  ? smp_call_function_single_interrupt+0x650/0x650
[  403.508249]  ? interrupt_entry+0xb5/0xc0
[  403.512316]  ? trace_hardirqs_off_caller+0xbb/0x310
[  403.517336]  ? trace_hardirqs_off_caller+0xbb/0x310
[  403.522355]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  403.527200]  ? trace_hardirqs_on_caller+0x310/0x310
[  403.532218]  ? trace_hardirqs_on_caller+0x310/0x310
[  403.537262]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  403.542117]  apic_timer_interrupt+0xf/0x20
[  403.546351]  </IRQ>
[  403.548591] RIP: 0010:dump_stack+0x358/0x39d
[  403.553027] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 a1 9c fd f9 48 83 3d 29 00 8d 01 00 0f 84 63 fe ff ff e8 ee 69 ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db 69 ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  403.571932] RSP: 0000:ffff8801b9cce1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  403.579650] RAX: ffff8801d71b2040 RBX: 1ffffffff12a3f46 RCX: 1ffff1003ae36526
[  403.586921] RDX: 0000000000000000 RSI: ffffffff87c4fa12 RDI: 0000000000000293
[  403.594187] RBP: ffff8801b9cce290 R08: ffff8801d71b2930 R09: 0000000000000006
[  403.601457] R10: 0000000000000000 R11: ffff8801d71b2040 R12: 1ffff10037399c45
[  403.608734] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  403.616027]  ? dump_stack+0x34f/0x39d
[  403.619846]  ? dump_stack_print_info.cold.1+0x20/0x20
[  403.625043]  ? mark_held_locks+0x130/0x130
[  403.629282]  ? mark_held_locks+0x130/0x130
[  403.633530]  dump_header+0x27b/0xf72
[  403.637264]  ? pagefault_out_of_memory+0x197/0x197
[  403.642203]  ? __lock_acquire+0x62f/0x4c20
[  403.646447]  ? percpu_ref_get_many+0x240/0x240
[  403.651034]  ? print_usage_bug+0xc0/0xc0
[  403.655104]  ? zap_class+0x640/0x640
[  403.658820]  ? print_usage_bug+0xc0/0xc0
[  403.662886]  ? print_usage_bug+0xc0/0xc0
[  403.666953]  ? zap_class+0x640/0x640
[  403.670692]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.676250]  ? find_held_lock+0x36/0x1c0
[  403.680323]  ? mark_held_locks+0xc7/0x130
[  403.684477]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  403.689587]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  403.694700]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  403.699293]  ? trace_hardirqs_on+0xbd/0x310
[  403.703634]  ? kasan_check_read+0x11/0x20
[  403.707783]  ? ___ratelimit+0x3b4/0x672
[  403.711766]  ? trace_hardirqs_off_caller+0x310/0x310
[  403.716875]  ? trace_hardirqs_on+0x310/0x310
[  403.721285]  ? lock_downgrade+0x900/0x900
[  403.725444]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  403.730551]  ? ___ratelimit+0x3b9/0x672
[  403.734534]  ? idr_get_free+0xf80/0xf80
[  403.738511]  ? find_held_lock+0x36/0x1c0
[  403.742584]  oom_kill_process.cold.27+0x10/0x903
[  403.747344]  ? zap_class+0x640/0x640
[  403.751058]  ? check_preemption_disabled+0x48/0x280
[  403.756080]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  403.761010]  ? kasan_check_read+0x11/0x20
[  403.765158]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  403.770663]  ? oom_evaluate_task+0x540/0x540
[  403.775073]  ? find_held_lock+0x36/0x1c0
[  403.779145]  ? out_of_memory+0x974/0x1430
[  403.783298]  ? lock_downgrade+0x900/0x900
[  403.787450]  ? check_preemption_disabled+0x48/0x280
[  403.792476]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  403.797407]  ? kasan_check_read+0x11/0x20
[  403.801578]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  403.806881]  ? rcu_softirq_qs+0x20/0x20
[  403.810872]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.816428]  ? oom_evaluate_task+0x302/0x540
[  403.820847]  out_of_memory+0xa84/0x1430
[  403.824842]  ? oom_killer_disable+0x3a0/0x3a0
[  403.829349]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  403.834295]  ? __ww_mutex_check_waiters+0x160/0x160
[  403.839350]  __alloc_pages_slowpath+0x2354/0x2e10
[  403.844228]  ? warn_alloc+0x120/0x120
[  403.848035]  ? mark_held_locks+0x130/0x130
[  403.852277]  ? find_get_entry+0xaae/0x1120
[  403.856526]  ? filemap_map_pages+0x1a20/0x1a20
[  403.861114]  ? zap_class+0x640/0x640
[  403.864854]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.870396]  ? check_preemption_disabled+0x48/0x280
[  403.875416]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.880956]  ? should_fail+0x22d/0xd01
[  403.884850]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  403.889956]  ? zap_class+0x640/0x640
[  403.893696]  ? __lock_is_held+0xb5/0x140
[  403.897775]  ? mark_held_locks+0x130/0x130
[  403.902484]  ? lock_release+0xa00/0xa00
[  403.906463]  ? perf_trace_sched_process_exec+0x860/0x860
[  403.911917]  ? xa_load+0x2ba/0x460
[  403.915462]  ? lock_downgrade+0x900/0x900
[  403.919617]  ? __might_sleep+0x95/0x190
[  403.923599]  __alloc_pages_nodemask+0xa80/0xde0
[  403.928281]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  403.933303]  ? __page_cache_alloc+0x191/0x5c0
[  403.937801]  ? xa_load+0x2e1/0x460
[  403.941361]  ? xa_clear_mark+0x40/0x40
[  403.945255]  ? zap_class+0x640/0x640
[  403.948983]  ? zap_class+0x640/0x640
[  403.952697]  ? zap_class+0x640/0x640
[  403.956418]  ? __do_page_cache_readahead+0x663/0x810
[  403.961526]  ? find_held_lock+0x36/0x1c0
[  403.965599]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  403.971144]  alloc_pages_current+0x173/0x350
[  403.975578]  __page_cache_alloc+0x38c/0x5c0
[  403.979901]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  403.984833]  ? kasan_check_read+0x11/0x20
[  403.988982]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  403.994265]  ? generic_perform_write+0x6a0/0x6a0
[  403.999027]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.004567]  ? check_preemption_disabled+0x48/0x280
[  404.009610]  filemap_fault+0x1595/0x25f0
[  404.013685]  ? __lock_page_or_retry+0xa00/0xa00
[  404.018363]  ? mark_held_locks+0x130/0x130
[  404.022611]  ? filemap_map_pages+0xd6b/0x1a20
[  404.027111]  ? lock_downgrade+0x900/0x900
[  404.031264]  ? check_preemption_disabled+0x48/0x280
[  404.036286]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  404.041218]  ? kasan_check_read+0x11/0x20
[  404.045372]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.050651]  ? rcu_softirq_qs+0x20/0x20
[  404.054652]  ? filemap_map_pages+0xd92/0x1a20
[  404.059171]  ? __lock_acquire+0x62f/0x4c20
[  404.063418]  ? find_get_entries_tag+0x1400/0x1400
[  404.068292]  ? lock_acquire+0x1ed/0x520
[  404.072270]  ? ext4_filemap_fault+0x7a/0xad
[  404.076605]  ? lock_release+0xa00/0xa00
[  404.080578]  ? perf_trace_sched_process_exec+0x860/0x860
[  404.086033]  ? print_usage_bug+0xc0/0xc0
[  404.090100]  ? print_usage_bug+0xc0/0xc0
[  404.094171]  ? down_read+0x8d/0x120
[  404.097800]  ? ext4_filemap_fault+0x7a/0xad
[  404.102124]  ? __down_interruptible+0x700/0x700
[  404.106808]  ext4_filemap_fault+0x82/0xad
[  404.110962]  __do_fault+0x100/0x6b0
[  404.114594]  ? pmd_devmap_trans_unstable+0x220/0x220
[  404.119702]  ? mark_held_locks+0x130/0x130
[  404.123949]  ? mark_held_locks+0x130/0x130
[  404.128200]  ? __might_fault+0x12b/0x1e0
[  404.132276]  ? lock_downgrade+0x900/0x900
[  404.136433]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.141987]  __handle_mm_fault+0x3ea6/0x5be0
[  404.146410]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  404.151266]  ? kasan_check_read+0x11/0x20
[  404.155415]  ? _copy_to_user+0xc8/0x110
[  404.159395]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.164948]  ? zap_class+0x640/0x640
[  404.168663]  ? zap_class+0x640/0x640
[  404.172385]  ? find_held_lock+0x36/0x1c0
[  404.176461]  ? handle_mm_fault+0x42a/0xc70
[  404.180698]  ? lock_downgrade+0x900/0x900
[  404.184859]  ? check_preemption_disabled+0x48/0x280
[  404.189880]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  404.194835]  ? kasan_check_read+0x11/0x20
[  404.198988]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.204271]  ? rcu_softirq_qs+0x20/0x20
[  404.208253]  ? trace_hardirqs_off_caller+0x310/0x310
[  404.213361]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.218903]  ? check_preemption_disabled+0x48/0x280
[  404.223934]  handle_mm_fault+0x54f/0xc70
[  404.228003]  ? __handle_mm_fault+0x5be0/0x5be0
[  404.232592]  ? find_vma+0x34/0x190
[  404.236139]  __do_page_fault+0x5e8/0xe60
[  404.240202]  ? trace_hardirqs_off+0xb8/0x310
[  404.244615]  ? retint_kernel+0x2d/0x2d
[  404.248514]  do_page_fault+0xf2/0x7e0
[  404.252319]  ? vmalloc_sync_all+0x30/0x30
[  404.256475]  ? error_entry+0x70/0xd0
[  404.260192]  ? trace_hardirqs_off_caller+0xbb/0x310
[  404.265208]  ? trace_hardirqs_on_caller+0xc0/0x310
[  404.270143]  ? syscall_return_slowpath+0x5e0/0x5e0
[  404.275073]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  404.279920]  ? trace_hardirqs_on_caller+0x310/0x310
[  404.284941]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  404.290397]  ? prepare_exit_to_usermode+0x291/0x3b0
[  404.295421]  ? page_fault+0x8/0x30
[  404.298969]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  404.303818]  ? page_fault+0x8/0x30
[  404.307371]  page_fault+0x1e/0x30
[  404.310826] RIP: 0033:0x45d911
[  404.314036] Code: Bad RIP value.
[  404.317398] RSP: 002b:000000c420035f18 EFLAGS: 00010246
[  404.322759] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 000000000045d911
[  404.330026] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  404.337300] RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
[  404.344568] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  404.351838] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  404.359141] CPU: 0 PID: 11721 Comm: syz-executor5 Not tainted 4.19.0+ #74
[  404.359147] warn_alloc_show_mem: 1 callbacks suppressed
[  404.359154] Mem-Info:
[  404.366075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  404.366084] Call Trace:
[  404.371455] active_anon:50643 inactive_anon:847 isolated_anon:0
[  404.371455]  active_file:14 inactive_file:13 isolated_file:0
[  404.371455]  unevictable:0 dirty:0 writeback:0 unstable:0
[  404.371455]  slab_reclaimable:9230 slab_unreclaimable:1469886
[  404.371455]  mapped:49154 shmem:854 pagetables:629 bounce:0
[  404.371455]  free:13794 free_pcp:158 free_cma:0
[  404.373828]  <IRQ>
[  404.383191] Node 0 active_anon:202572kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3416kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  404.385792]  dump_stack+0x244/0x39d
[  404.418666] 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
[  404.420822]  ? dump_stack_print_info.cold.1+0x20/0x20
[  404.448468] lowmem_reserve[]: 0 2818 6321 6321
[  404.452106]  warn_alloc.cold.116+0xb7/0x1bd
[  404.478181] Node 0 DMA32 free:25280kB min:30052kB low:37564kB high:45076kB active_anon:236kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  404.483372]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  404.487928] lowmem_reserve[]: 0 0 3503 3503
[  404.492245]  ? lock_downgrade+0x900/0x900
[  404.519735] Node 0 Normal free:13988kB min:37364kB low:46704kB high:56044kB active_anon:202336kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:412kB local_pcp:252kB free_cma:0kB
[  404.524596]  ? trace_hardirqs_off+0xb8/0x310
[  404.528883] lowmem_reserve[]: 0 0 0 0
[  404.533028]  ? trace_hardirqs_off+0xb8/0x310
[  404.561981] 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
[  404.566396]  __alloc_pages_slowpath+0x26e8/0x2e10
[  404.570163] Node 0 DMA32: 2*4kB (H) 3*8kB (UMH) 2*16kB (M) 2*32kB (MH) 5*64kB (MH) 4*128kB (M) 5*256kB (MH) 5*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 25280kB
[  404.574589]  ? warn_alloc+0x120/0x120
[  404.588064] Node 0 Normal: 737*4kB (UMEH) 442*8kB (UME) 213*16kB (UME) 70*32kB (UME) 7*64kB (UMH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13988kB
[  404.592907]  ? print_usage_bug+0xc0/0xc0
[  404.608319] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  404.612112]  ? warn_alloc+0x120/0x120
[  404.627441] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  404.631491]  ? warn_alloc+0x120/0x120
[  404.640304] 881 total pagecache pages
[  404.644100]  ? print_usage_bug+0xc0/0xc0
[  404.652658] 0 pages in swap cache
[  404.656450]  ? kvm_clock_read+0x18/0x30
[  404.660230] Swap cache stats: add 0, delete 0, find 0/0
[  404.664283]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  404.667714] Free swap  = 0kB
[  404.671693]  ? print_usage_bug+0xc0/0xc0
[  404.677034] Total swap = 0kB
[  404.682061]  ? __lock_acquire+0x62f/0x4c20
[  404.685061] 1965979 pages RAM
[  404.689116]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.692108] 0 pages HighMem/MovableOnly
[  404.696335]  ? should_fail+0x22d/0xd01
[  404.699413] 342858 pages reserved
[  404.699421] 0 pages cma reserved
[  404.704949]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.708973] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  404.712800]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  404.712814]  ? __lock_acquire+0x62f/0x4c20
[  404.712836]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  404.716392] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  404.719639]  ? __lock_acquire+0x62f/0x4c20
[  404.724895] syz-fuzzer cpuset=/ mems_allowed=0
[  404.731383]  ? should_fail+0x22d/0xd01
[  404.768819]  ? rcu_irq_exit+0x1a2/0x390
[  404.772812]  ? mark_held_locks+0x130/0x130
[  404.777054]  ? mark_held_locks+0x130/0x130
[  404.781298]  ? mark_held_locks+0xc7/0x130
[  404.785452]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  404.790469]  ? zap_class+0x640/0x640
[  404.794183]  ? print_usage_bug+0xc0/0xc0
[  404.798264]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.803812]  ? check_preemption_disabled+0x48/0x280
[  404.808845]  ? __lock_is_held+0xb5/0x140
[  404.812915]  __alloc_pages_nodemask+0xa80/0xde0
[  404.817584]  ? zap_class+0x640/0x640
[  404.821322]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  404.826352]  ? find_held_lock+0x36/0x1c0
[  404.830425]  ? ____cache_alloc_node+0x1c7/0x1e0
[  404.835097]  ? lock_downgrade+0x900/0x900
[  404.839254]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.844797]  cache_grow_begin+0xa5/0x8c0
[  404.848861]  ? do_raw_spin_unlock+0xa7/0x330
[  404.853277]  fallback_alloc+0x204/0x2e0
[  404.857259]  ____cache_alloc_node+0x1c7/0x1e0
[  404.861791]  kmem_cache_alloc_node+0xe3/0x730
[  404.866286]  ? ipv6_get_ifaddr+0x42e/0x620
[  404.870530]  __alloc_skb+0x119/0x770
[  404.874243]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.879527]  ? netdev_alloc_frag+0x1f0/0x1f0
[  404.883937]  ? lock_downgrade+0x900/0x900
[  404.888097]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.893639]  ? refcount_sub_and_test_checked+0x203/0x310
[  404.899093]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  404.904546]  ? addrconf_rs_timer+0x690/0x690
[  404.908967]  ndisc_alloc_skb+0x144/0x340
[  404.913040]  ndisc_send_rs+0x331/0x6e0
[  404.916936]  addrconf_rs_timer+0x314/0x690
[  404.921175]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.925421]  call_timer_fn+0x272/0x920
[  404.929306]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.933546]  ? process_timeout+0x40/0x40
[  404.937616]  ? __run_timers+0x7da/0xc70
[  404.941594]  ? _raw_spin_unlock_irq+0x27/0x80
[  404.946096]  ? _raw_spin_unlock_irq+0x27/0x80
[  404.950589]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.954829]  ? lockdep_hardirqs_on+0x296/0x5b0
[  404.959416]  ? trace_hardirqs_on+0xbd/0x310
[  404.963755]  ? kasan_check_read+0x11/0x20
[  404.967903]  ? __run_timers+0x7da/0xc70
[  404.971879]  ? trace_hardirqs_off_caller+0x310/0x310
[  404.976989]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.981228]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.985462]  __run_timers+0x7e5/0xc70
[  404.989278]  ? timer_fixup_init+0x70/0x70
[  404.993429]  ? kasan_check_read+0x11/0x20
[  404.997577]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  405.002860]  ? rcu_softirq_qs+0x20/0x20
[  405.006843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.012387]  ? check_preemption_disabled+0x48/0x280
[  405.017417]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  405.022184]  ? retint_kernel+0x2d/0x2d
[  405.026079]  ? trace_hardirqs_on_caller+0xc0/0x310
[  405.031012]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  405.035775]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  405.041246]  ? zap_class+0x640/0x640
[  405.044972]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.050512]  ? check_preemption_disabled+0x48/0x280
[  405.055541]  ? __lock_is_held+0xb5/0x140
[  405.059605]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.065148]  ? check_preemption_disabled+0x48/0x280
[  405.070175]  run_timer_softirq+0x52/0xb0
[  405.074255]  ? rcu_read_lock_sched_held+0x14f/0x180
[  405.079271]  __do_softirq+0x308/0xb7e
[  405.083079]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  405.087578]  ? lock_downgrade+0x900/0x900
[  405.091741]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  405.096858]  ? pvclock_read_flags+0x160/0x160
[  405.101357]  ? lapic_next_event+0x5a/0x90
[  405.105510]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.111054]  ? kvm_clock_read+0x18/0x30
[  405.115030]  ? kvm_sched_clock_read+0x9/0x20
[  405.119444]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.124988]  ? check_preemption_disabled+0x48/0x280
[  405.130016]  irq_exit+0x17f/0x1c0
[  405.133481]  smp_apic_timer_interrupt+0x1cb/0x760
[  405.138326]  ? smp_reschedule_interrupt+0x109/0x650
[  405.143360]  ? smp_call_function_single_interrupt+0x650/0x650
[  405.149261]  ? interrupt_entry+0xb5/0xc0
[  405.153327]  ? trace_hardirqs_off_caller+0xbb/0x310
[  405.158344]  ? trace_hardirqs_off_caller+0xbb/0x310
[  405.163383]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.168247]  ? trace_hardirqs_on_caller+0x310/0x310
[  405.173267]  ? trace_hardirqs_on_caller+0x310/0x310
[  405.178286]  ? task_prio+0x50/0x50
[  405.181832]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.187371]  ? check_preemption_disabled+0x48/0x280
[  405.192396]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.197250]  apic_timer_interrupt+0xf/0x20
[  405.201483]  </IRQ>
[  405.203758] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  405.208691] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 14
[  405.227597] RSP: 0000:ffff8801bf14f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  405.235302] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  405.242567] RDX: 0000000000000000 RSI: ffff8801b68a4c40 RDI: 0000000000000286
[  405.249833] RBP: ffff8801bf14f7a0 R08: ffff8801b68a43c0 R09: 0000000000000000
[  405.257098] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  405.264367] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  405.271681]  skb_clone+0x1bb/0x500
[  405.275224]  ? finish_task_switch+0x2f4/0x910
[  405.279731]  ? skb_split+0x11e0/0x11e0
[  405.283630]  ? preempt_notifier_register+0x200/0x200
[  405.288748]  ? __switch_to_asm+0x34/0x70
[  405.292812]  ? __switch_to_asm+0x34/0x70
[  405.296875]  ? __switch_to_asm+0x40/0x70
[  405.300936]  ? __switch_to_asm+0x34/0x70
[  405.305002]  ? __switch_to_asm+0x40/0x70
[  405.309066]  ? __switch_to_asm+0x34/0x70
[  405.313124]  ? __switch_to_asm+0x40/0x70
[  405.317226]  ? __switch_to_asm+0x34/0x70
[  405.321292]  ? __switch_to_asm+0x34/0x70
[  405.325350]  ? __switch_to_asm+0x40/0x70
[  405.329409]  ? __switch_to_asm+0x34/0x70
[  405.333478]  bpf_clone_redirect+0xb9/0x490
[  405.337717]  ? __schedule+0x8d7/0x21d0
[  405.341629]  bpf_prog_bebbfe2050753572+0x6c2/0x1000
[  405.346650]  ? __sched_text_start+0x8/0x8
[  405.350805]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  405.355602]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  405.360189]  ? retint_kernel+0x2d/0x2d
[  405.364087]  ? find_held_lock+0x36/0x1c0
[  405.368172]  ? lock_acquire+0x1ed/0x520
[  405.372175]  ? bpf_test_run+0x3cb/0x780
[  405.376165]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.381722]  ? check_preemption_disabled+0x48/0x280
[  405.386770]  ? kasan_check_read+0x11/0x20
[  405.390922]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  405.396199]  ? rcu_softirq_qs+0x20/0x20
[  405.400350]  ? preempt_schedule+0x4d/0x60
[  405.404507]  ? ___preempt_schedule+0x16/0x18
[  405.408928]  ? bpf_test_run+0x25d/0x780
[  405.412915]  ? netlink_diag_dump+0x2a0/0x2a0
[  405.417328]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.422871]  ? bpf_test_init.isra.10+0x70/0x100
[  405.427548]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  405.432327]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  405.437185]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  405.442739]  ? fput+0x130/0x1a0
[  405.446039]  ? __bpf_prog_get+0x9b/0x290
[  405.450123]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  405.454965]  ? bpf_prog_test_run+0x130/0x1a0
[  405.459378]  ? __x64_sys_bpf+0x3d8/0x520
[  405.463445]  ? bpf_prog_get+0x20/0x20
[  405.467267]  ? do_syscall_64+0x1b9/0x820
[  405.471348]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  405.476713]  ? syscall_return_slowpath+0x5e0/0x5e0
[  405.481654]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.486503]  ? trace_hardirqs_on_caller+0x310/0x310
[  405.491535]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  405.496583]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.502122]  ? prepare_exit_to_usermode+0x291/0x3b0
[  405.507146]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.512001]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  405.517384] CPU: 1 PID: 5666 Comm: syz-fuzzer Not tainted 4.19.0+ #74
[  405.517474] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  405.523963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  405.523969] Call Trace:
[  405.523976]  <IRQ>
[  405.523993]  dump_stack+0x244/0x39d
[  405.524011]  ? dump_stack_print_info.cold.1+0x20/0x20
[  405.530556] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  405.539847]  warn_alloc.cold.116+0xb7/0x1bd
[  405.542402] syz-executor5 cpuset=syz5 mems_allowed=0
[  405.544545]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  405.578018]  ? lock_downgrade+0x900/0x900
[  405.582177]  ? trace_hardirqs_off+0xb8/0x310
[  405.586592]  ? trace_hardirqs_off+0xb8/0x310
[  405.591011]  __alloc_pages_slowpath+0x26e8/0x2e10
[  405.595889]  ? warn_alloc+0x120/0x120
[  405.599695]  ? print_usage_bug+0xc0/0xc0
[  405.603767]  ? warn_alloc+0x120/0x120
[  405.607591]  ? warn_alloc+0x120/0x120
[  405.611391]  ? print_usage_bug+0xc0/0xc0
[  405.615480]  ? print_usage_bug+0xc0/0xc0
[  405.619545]  ? __lock_acquire+0x62f/0x4c20
[  405.623787]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.629330]  ? should_fail+0x22d/0xd01
[  405.633217]  ? __lock_acquire+0x62f/0x4c20
[  405.637459]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  405.642566]  ? __lock_acquire+0x62f/0x4c20
[  405.646835]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  405.651962]  ? __lock_acquire+0x62f/0x4c20
[  405.656196]  ? should_fail+0x22d/0xd01
[  405.660097]  ? mark_held_locks+0x130/0x130
[  405.664340]  ? mark_held_locks+0x130/0x130
[  405.668588]  ? zap_class+0x640/0x640
[  405.672309]  ? zap_class+0x640/0x640
[  405.676028]  ? print_usage_bug+0xc0/0xc0
[  405.680091]  ? wq_watchdog_touch+0x9c/0xfe
[  405.684329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.689870]  ? check_preemption_disabled+0x48/0x280
[  405.694901]  ? __lock_is_held+0xb5/0x140
[  405.698968]  __alloc_pages_nodemask+0xa80/0xde0
[  405.703637]  ? zap_class+0x640/0x640
[  405.707358]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  405.712388]  ? find_held_lock+0x36/0x1c0
[  405.716460]  ? ____cache_alloc_node+0x1c7/0x1e0
[  405.721135]  ? lock_downgrade+0x900/0x900
[  405.725293]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.730841]  cache_grow_begin+0xa5/0x8c0
[  405.734904]  ? do_raw_spin_unlock+0xa7/0x330
[  405.739322]  fallback_alloc+0x204/0x2e0
[  405.743304]  ____cache_alloc_node+0x1c7/0x1e0
[  405.747808]  kmem_cache_alloc_node+0xe3/0x730
[  405.752308]  ? ipv6_get_ifaddr+0x42e/0x620
[  405.756562]  __alloc_skb+0x119/0x770
[  405.760279]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  405.765563]  ? netdev_alloc_frag+0x1f0/0x1f0
[  405.769974]  ? lock_downgrade+0x900/0x900
[  405.774340]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.779882]  ? refcount_sub_and_test_checked+0x203/0x310
[  405.785342]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  405.790794]  ? addrconf_rs_timer+0x690/0x690
[  405.795217]  ndisc_alloc_skb+0x144/0x340
[  405.799287]  ndisc_send_rs+0x331/0x6e0
[  405.803180]  addrconf_rs_timer+0x314/0x690
[  405.807425]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.811673]  call_timer_fn+0x272/0x920
[  405.815559]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.819799]  ? process_timeout+0x40/0x40
[  405.823873]  ? mark_held_locks+0xc7/0x130
[  405.828027]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.832526]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.837023]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.841267]  ? lockdep_hardirqs_on+0x296/0x5b0
[  405.845855]  ? trace_hardirqs_on+0xbd/0x310
[  405.850179]  ? kasan_check_read+0x11/0x20
[  405.854325]  ? __run_timers+0x7da/0xc70
[  405.858317]  ? trace_hardirqs_off_caller+0x310/0x310
[  405.863465]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.867715]  __run_timers+0x7e5/0xc70
[  405.871535]  ? timer_fixup_init+0x70/0x70
[  405.875691]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  405.880716]  ? zap_class+0x640/0x640
[  405.884447]  ? print_usage_bug+0xc0/0xc0
[  405.888513]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  405.893710]  ? find_held_lock+0x36/0x1c0
[  405.897790]  ? zap_class+0x640/0x640
[  405.901516]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.907519]  ? check_preemption_disabled+0x48/0x280
[  405.912550]  ? __lock_is_held+0xb5/0x140
[  405.916618]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.922159]  ? check_preemption_disabled+0x48/0x280
[  405.927185]  run_timer_softirq+0x52/0xb0
[  405.931256]  ? rcu_read_lock_sched_held+0x14f/0x180
[  405.936277]  __do_softirq+0x308/0xb7e
[  405.940083]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  405.944581]  ? lock_downgrade+0x900/0x900
[  405.948746]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  405.953863]  ? pvclock_read_flags+0x160/0x160
[  405.958367]  ? lapic_next_event+0x5a/0x90
[  405.962522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.968068]  ? kvm_clock_read+0x18/0x30
[  405.972064]  ? kvm_sched_clock_read+0x9/0x20
[  405.976481]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.982021]  ? check_preemption_disabled+0x48/0x280
[  405.987048]  irq_exit+0x17f/0x1c0
[  405.990513]  smp_apic_timer_interrupt+0x1cb/0x760
[  405.995358]  ? smp_reschedule_interrupt+0x109/0x650
[  406.000379]  ? smp_call_function_single_interrupt+0x650/0x650
[  406.006266]  ? interrupt_entry+0xb5/0xc0
[  406.010335]  ? trace_hardirqs_off_caller+0xbb/0x310
[  406.015355]  ? trace_hardirqs_off_caller+0xbb/0x310
[  406.020373]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  406.025217]  ? trace_hardirqs_on_caller+0x310/0x310
[  406.030241]  ? trace_hardirqs_on_caller+0x310/0x310
[  406.035275]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  406.040133]  apic_timer_interrupt+0xf/0x20
[  406.044366]  </IRQ>
[  406.046613] RIP: 0010:dump_stack+0x358/0x39d
[  406.051022] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 a1 9c fd f9 48 83 3d 29 00 8d 01 00 0f 84 63 fe ff ff e8 ee 69 ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db 69 ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  406.069924] RSP: 0000:ffff8801b9cce1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  406.077633] RAX: ffff8801d71b2040 RBX: 1ffffffff12a3f46 RCX: 1ffff1003ae36526
[  406.084901] RDX: 0000000000000000 RSI: ffffffff87c4fa12 RDI: 0000000000000293
[  406.092168] RBP: ffff8801b9cce290 R08: ffff8801d71b2930 R09: 0000000000000006
[  406.099436] R10: 0000000000000000 R11: ffff8801d71b2040 R12: 1ffff10037399c45
[  406.106705] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  406.113997]  ? dump_stack+0x34f/0x39d
[  406.117824]  ? dump_stack_print_info.cold.1+0x20/0x20
[  406.123036]  ? mark_held_locks+0x130/0x130
[  406.127277]  ? mark_held_locks+0x130/0x130
[  406.131516]  dump_header+0x27b/0xf72
[  406.135250]  ? pagefault_out_of_memory+0x197/0x197
[  406.140194]  ? __lock_acquire+0x62f/0x4c20
[  406.144446]  ? percpu_ref_get_many+0x240/0x240
[  406.149038]  ? print_usage_bug+0xc0/0xc0
[  406.153106]  ? zap_class+0x640/0x640
[  406.156823]  ? print_usage_bug+0xc0/0xc0
[  406.160882]  ? print_usage_bug+0xc0/0xc0
[  406.164948]  ? zap_class+0x640/0x640
[  406.168666]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.174207]  ? find_held_lock+0x36/0x1c0
[  406.178288]  ? mark_held_locks+0xc7/0x130
[  406.182441]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  406.187547]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  406.192654]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  406.197244]  ? trace_hardirqs_on+0xbd/0x310
[  406.201567]  ? kasan_check_read+0x11/0x20
[  406.205717]  ? ___ratelimit+0x3b4/0x672
[  406.209707]  ? trace_hardirqs_off_caller+0x310/0x310
[  406.214823]  ? trace_hardirqs_on+0x310/0x310
[  406.219232]  ? lock_downgrade+0x900/0x900
[  406.223393]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  406.228499]  ? ___ratelimit+0x3b9/0x672
[  406.232477]  ? idr_get_free+0xf80/0xf80
[  406.236451]  ? find_held_lock+0x36/0x1c0
[  406.240526]  oom_kill_process.cold.27+0x10/0x903
[  406.245287]  ? zap_class+0x640/0x640
[  406.249003]  ? check_preemption_disabled+0x48/0x280
[  406.254024]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  406.258956]  ? kasan_check_read+0x11/0x20
[  406.263110]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.268408]  ? oom_evaluate_task+0x540/0x540
[  406.272822]  ? find_held_lock+0x36/0x1c0
[  406.276896]  ? out_of_memory+0x974/0x1430
[  406.281050]  ? lock_downgrade+0x900/0x900
[  406.285200]  ? check_preemption_disabled+0x48/0x280
[  406.290221]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  406.295156]  ? kasan_check_read+0x11/0x20
[  406.299305]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.304581]  ? rcu_softirq_qs+0x20/0x20
[  406.308564]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.314105]  ? oom_evaluate_task+0x302/0x540
[  406.318520]  out_of_memory+0xa84/0x1430
[  406.322508]  ? oom_killer_disable+0x3a0/0x3a0
[  406.327008]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  406.331944]  ? __ww_mutex_check_waiters+0x160/0x160
[  406.336974]  __alloc_pages_slowpath+0x2354/0x2e10
[  406.341849]  ? warn_alloc+0x120/0x120
[  406.345653]  ? mark_held_locks+0x130/0x130
[  406.349899]  ? find_get_entry+0xaae/0x1120
[  406.354149]  ? filemap_map_pages+0x1a20/0x1a20
[  406.358745]  ? zap_class+0x640/0x640
[  406.362470]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.368009]  ? check_preemption_disabled+0x48/0x280
[  406.373026]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.378565]  ? should_fail+0x22d/0xd01
[  406.382464]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  406.387568]  ? zap_class+0x640/0x640
[  406.391308]  ? __lock_is_held+0xb5/0x140
[  406.395380]  ? mark_held_locks+0x130/0x130
[  406.399639]  ? lock_release+0xa00/0xa00
[  406.403619]  ? perf_trace_sched_process_exec+0x860/0x860
[  406.409070]  ? xa_load+0x2ba/0x460
[  406.412614]  ? lock_downgrade+0x900/0x900
[  406.416768]  ? __might_sleep+0x95/0x190
[  406.420756]  __alloc_pages_nodemask+0xa80/0xde0
[  406.425437]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  406.430457]  ? __page_cache_alloc+0x191/0x5c0
[  406.434949]  ? xa_load+0x2e1/0x460
[  406.438499]  ? xa_clear_mark+0x40/0x40
[  406.442392]  ? zap_class+0x640/0x640
[  406.446148]  ? zap_class+0x640/0x640
[  406.449863]  ? zap_class+0x640/0x640
[  406.453581]  ? __do_page_cache_readahead+0x663/0x810
[  406.458781]  ? find_held_lock+0x36/0x1c0
[  406.462854]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  406.468395]  alloc_pages_current+0x173/0x350
[  406.472829]  __page_cache_alloc+0x38c/0x5c0
[  406.477152]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  406.482084]  ? kasan_check_read+0x11/0x20
[  406.486233]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.491523]  ? generic_perform_write+0x6a0/0x6a0
[  406.496285]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.501847]  ? check_preemption_disabled+0x48/0x280
[  406.506879]  filemap_fault+0x1595/0x25f0
[  406.510955]  ? __lock_page_or_retry+0xa00/0xa00
[  406.515627]  ? mark_held_locks+0x130/0x130
[  406.519872]  ? filemap_map_pages+0xd6b/0x1a20
[  406.524371]  ? lock_downgrade+0x900/0x900
[  406.528523]  ? check_preemption_disabled+0x48/0x280
[  406.533545]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  406.538478]  ? kasan_check_read+0x11/0x20
[  406.542626]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.547905]  ? rcu_softirq_qs+0x20/0x20
[  406.551894]  ? filemap_map_pages+0xd92/0x1a20
[  406.556423]  ? __lock_acquire+0x62f/0x4c20
[  406.560669]  ? find_get_entries_tag+0x1400/0x1400
[  406.565540]  ? lock_acquire+0x1ed/0x520
[  406.569517]  ? ext4_filemap_fault+0x7a/0xad
[  406.573852]  ? lock_release+0xa00/0xa00
[  406.577826]  ? perf_trace_sched_process_exec+0x860/0x860
[  406.583279]  ? print_usage_bug+0xc0/0xc0
[  406.587344]  ? print_usage_bug+0xc0/0xc0
[  406.591424]  ? down_read+0x8d/0x120
[  406.595055]  ? ext4_filemap_fault+0x7a/0xad
[  406.599383]  ? __down_interruptible+0x700/0x700
[  406.604065]  ext4_filemap_fault+0x82/0xad
[  406.608218]  __do_fault+0x100/0x6b0
[  406.611858]  ? pmd_devmap_trans_unstable+0x220/0x220
[  406.616969]  ? mark_held_locks+0x130/0x130
[  406.621215]  ? mark_held_locks+0x130/0x130
[  406.625458]  ? __might_fault+0x12b/0x1e0
[  406.629525]  ? lock_downgrade+0x900/0x900
[  406.633682]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.639251]  __handle_mm_fault+0x3ea6/0x5be0
[  406.643672]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  406.648524]  ? kasan_check_read+0x11/0x20
[  406.652675]  ? _copy_to_user+0xc8/0x110
[  406.656654]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.662206]  ? zap_class+0x640/0x640
[  406.665927]  ? zap_class+0x640/0x640
[  406.669650]  ? find_held_lock+0x36/0x1c0
[  406.673746]  ? handle_mm_fault+0x42a/0xc70
[  406.677986]  ? lock_downgrade+0x900/0x900
[  406.682134]  ? check_preemption_disabled+0x48/0x280
[  406.687157]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  406.692087]  ? kasan_check_read+0x11/0x20
[  406.696234]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.701519]  ? rcu_softirq_qs+0x20/0x20
[  406.705496]  ? trace_hardirqs_off_caller+0x310/0x310
[  406.710604]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.716143]  ? check_preemption_disabled+0x48/0x280
[  406.721168]  handle_mm_fault+0x54f/0xc70
[  406.725246]  ? __handle_mm_fault+0x5be0/0x5be0
[  406.729839]  ? find_vma+0x34/0x190
[  406.733388]  __do_page_fault+0x5e8/0xe60
[  406.737452]  ? trace_hardirqs_off+0xb8/0x310
[  406.741861]  ? retint_kernel+0x2d/0x2d
[  406.745764]  do_page_fault+0xf2/0x7e0
[  406.749568]  ? vmalloc_sync_all+0x30/0x30
[  406.753722]  ? error_entry+0x70/0xd0
[  406.757447]  ? trace_hardirqs_off_caller+0xbb/0x310
[  406.762462]  ? trace_hardirqs_on_caller+0xc0/0x310
[  406.767392]  ? syscall_return_slowpath+0x5e0/0x5e0
[  406.772412]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  406.777261]  ? trace_hardirqs_on_caller+0x310/0x310
[  406.782281]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  406.787750]  ? prepare_exit_to_usermode+0x291/0x3b0
[  406.792770]  ? page_fault+0x8/0x30
[  406.796318]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  406.801168]  ? page_fault+0x8/0x30
[  406.804710]  page_fault+0x1e/0x30
[  406.808171] RIP: 0033:0x45d911
[  406.811378] Code: Bad RIP value.
[  406.814747] RSP: 002b:000000c420035f18 EFLAGS: 00010246
[  406.820111] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 000000000045d911
[  406.827380] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  406.834650] RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
[  406.841924] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  406.849195] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  406.856492] warn_alloc_show_mem: 1 callbacks suppressed
[  406.856504] CPU: 0 PID: 11721 Comm: syz-executor5 Not tainted 4.19.0+ #74
[  406.856506] Mem-Info:
[  406.856538] active_anon:50643 inactive_anon:847 isolated_anon:0
[  406.856538]  active_file:14 inactive_file:13 isolated_file:0
[  406.856538]  unevictable:0 dirty:0 writeback:0 unstable:0
[  406.856538]  slab_reclaimable:9230 slab_unreclaimable:1469886
[  406.856538]  mapped:49154 shmem:854 pagetables:629 bounce:0
[  406.856538]  free:13794 free_pcp:158 free_cma:0
[  406.861877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  406.861887] Call Trace:
[  406.868825] Node 0 active_anon:202572kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3416kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  406.871228]  <IRQ>
[  406.904112] 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
[  406.913480]  dump_stack+0x244/0x39d
[  406.916032] lowmem_reserve[]: 0 2818 6321 6321
[  406.943743]  ? dump_stack_print_info.cold.1+0x20/0x20
[  406.945867] Node 0 DMA32 free:25280kB min:30052kB low:37564kB high:45076kB active_anon:236kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  406.971993]  warn_alloc.cold.116+0xb7/0x1bd
[  406.975588] lowmem_reserve[]: 0 0 3503 3503
[  406.980169]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  406.985341] Node 0 Normal free:13988kB min:37364kB low:46704kB high:56044kB active_anon:202336kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:412kB local_pcp:252kB free_cma:0kB
[  407.012856]  ? lock_downgrade+0x900/0x900
[  407.017156] lowmem_reserve[]: 0 0 0 0
[  407.021482]  ? trace_hardirqs_off+0xb8/0x310
[  407.026295] 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
[  407.055283]  ? trace_hardirqs_off+0xb8/0x310
[  407.059403] Node 0 DMA32: 2*4kB (H) 3*8kB (UMH) 2*16kB (M) 2*32kB (MH) 5*64kB (MH) 4*128kB (M) 5*256kB (MH) 5*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 25280kB
[  407.063203]  __alloc_pages_slowpath+0x26e8/0x2e10
[  407.067579] Node 0 Normal: 737*4kB (UMEH) 442*8kB (UME) 213*16kB (UME) 70*32kB (UME) 7*64kB (UMH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13988kB
[  407.081127]  ? warn_alloc+0x120/0x120
[  407.085495] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  407.100937]  ? print_usage_bug+0xc0/0xc0
[  407.105767] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  407.121133]  ? warn_alloc+0x120/0x120
[  407.124909] 881 total pagecache pages
[  407.133759]  ? warn_alloc+0x120/0x120
[  407.137798] 0 pages in swap cache
[  407.146369]  ? print_usage_bug+0xc0/0xc0
[  407.150147] Swap cache stats: add 0, delete 0, find 0/0
[  407.153944]  ? print_usage_bug+0xc0/0xc0
[  407.157718] Free swap  = 0kB
[  407.161174]  ? __lock_acquire+0x62f/0x4c20
[  407.165221] Total swap = 0kB
[  407.165229] 1965979 pages RAM
[  407.170594]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.174626] 0 pages HighMem/MovableOnly
[  407.177638]  ? should_fail+0x22d/0xd01
[  407.181850] 342858 pages reserved
[  407.184872]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  407.187950] 0 pages cma reserved
[  407.193504]  ? __lock_acquire+0x62f/0x4c20
[  407.197511] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  407.201347]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  407.204882] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  407.209877]  ? __lock_acquire+0x62f/0x4c20
[  407.213218] syz-fuzzer cpuset=/ mems_allowed=0
[  407.217448]  ? should_fail+0x22d/0xd01
[  407.252036]  ? mark_held_locks+0x130/0x130
[  407.256283]  ? mark_held_locks+0x130/0x130
[  407.260516]  ? zap_class+0x640/0x640
[  407.264242]  ? zap_class+0x640/0x640
[  407.267961]  ? print_usage_bug+0xc0/0xc0
[  407.272023]  ? wq_watchdog_touch+0x9c/0xfe
[  407.276265]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.281807]  ? check_preemption_disabled+0x48/0x280
[  407.286843]  ? __lock_is_held+0xb5/0x140
[  407.290916]  __alloc_pages_nodemask+0xa80/0xde0
[  407.295587]  ? zap_class+0x640/0x640
[  407.299309]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  407.304342]  ? find_held_lock+0x36/0x1c0
[  407.308433]  ? ____cache_alloc_node+0x1c7/0x1e0
[  407.313107]  ? lock_downgrade+0x900/0x900
[  407.317259]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.322847]  cache_grow_begin+0xa5/0x8c0
[  407.326910]  ? do_raw_spin_unlock+0xa7/0x330
[  407.331331]  fallback_alloc+0x204/0x2e0
[  407.335316]  ____cache_alloc_node+0x1c7/0x1e0
[  407.339819]  kmem_cache_alloc_node+0xe3/0x730
[  407.344315]  ? ipv6_get_ifaddr+0x42e/0x620
[  407.348559]  __alloc_skb+0x119/0x770
[  407.352277]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  407.357560]  ? netdev_alloc_frag+0x1f0/0x1f0
[  407.361969]  ? lock_downgrade+0x900/0x900
[  407.366128]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.371671]  ? refcount_sub_and_test_checked+0x203/0x310
[  407.377127]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  407.382576]  ? addrconf_rs_timer+0x690/0x690
[  407.386997]  ndisc_alloc_skb+0x144/0x340
[  407.391068]  ndisc_send_rs+0x331/0x6e0
[  407.394960]  addrconf_rs_timer+0x314/0x690
[  407.399203]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.403451]  call_timer_fn+0x272/0x920
[  407.407340]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.411577]  ? process_timeout+0x40/0x40
[  407.415647]  ? __run_timers+0x7da/0xc70
[  407.419630]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.424141]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.428635]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.432873]  ? lockdep_hardirqs_on+0x296/0x5b0
[  407.437462]  ? trace_hardirqs_on+0xbd/0x310
[  407.441785]  ? kasan_check_read+0x11/0x20
[  407.445932]  ? __run_timers+0x7da/0xc70
[  407.449909]  ? trace_hardirqs_off_caller+0x310/0x310
[  407.455027]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.459263]  __run_timers+0x7e5/0xc70
[  407.463077]  ? timer_fixup_init+0x70/0x70
[  407.467229]  ? kasan_check_read+0x11/0x20
[  407.471380]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  407.476660]  ? rcu_softirq_qs+0x20/0x20
[  407.480642]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.486189]  ? check_preemption_disabled+0x48/0x280
[  407.491214]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  407.495981]  ? retint_kernel+0x2d/0x2d
[  407.499879]  ? trace_hardirqs_on_caller+0xc0/0x310
[  407.504815]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  407.509578]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  407.515035]  ? zap_class+0x640/0x640
[  407.518769]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.524313]  ? check_preemption_disabled+0x48/0x280
[  407.529344]  ? __lock_is_held+0xb5/0x140
[  407.533409]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.538952]  ? check_preemption_disabled+0x48/0x280
[  407.543977]  run_timer_softirq+0x52/0xb0
[  407.548042]  ? rcu_read_lock_sched_held+0x14f/0x180
[  407.553064]  __do_softirq+0x308/0xb7e
[  407.556872]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  407.561369]  ? lock_downgrade+0x900/0x900
[  407.565523]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  407.570636]  ? pvclock_read_flags+0x160/0x160
[  407.575136]  ? lapic_next_event+0x5a/0x90
[  407.579289]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.584842]  ? kvm_clock_read+0x18/0x30
[  407.588819]  ? kvm_sched_clock_read+0x9/0x20
[  407.593234]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.598780]  ? check_preemption_disabled+0x48/0x280
[  407.603809]  irq_exit+0x17f/0x1c0
[  407.607270]  smp_apic_timer_interrupt+0x1cb/0x760
[  407.612117]  ? smp_reschedule_interrupt+0x109/0x650
[  407.617137]  ? smp_call_function_single_interrupt+0x650/0x650
[  407.623027]  ? interrupt_entry+0xb5/0xc0
[  407.627095]  ? trace_hardirqs_off_caller+0xbb/0x310
[  407.632114]  ? trace_hardirqs_off_caller+0xbb/0x310
[  407.637131]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.641988]  ? trace_hardirqs_on_caller+0x310/0x310
[  407.647014]  ? trace_hardirqs_on_caller+0x310/0x310
[  407.652041]  ? task_prio+0x50/0x50
[  407.655588]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.661138]  ? check_preemption_disabled+0x48/0x280
[  407.666167]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.671027]  apic_timer_interrupt+0xf/0x20
[  407.675258]  </IRQ>
[  407.677497] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  407.682431] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 14
[  407.701344] RSP: 0000:ffff8801bf14f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  407.709060] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  407.716327] RDX: 0000000000000000 RSI: ffff8801b68a4c40 RDI: 0000000000000286
[  407.723600] RBP: ffff8801bf14f7a0 R08: ffff8801b68a43c0 R09: 0000000000000000
[  407.730889] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  407.738167] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  407.745491]  skb_clone+0x1bb/0x500
[  407.749040]  ? finish_task_switch+0x2f4/0x910
[  407.753552]  ? skb_split+0x11e0/0x11e0
[  407.757459]  ? preempt_notifier_register+0x200/0x200
[  407.762563]  ? __switch_to_asm+0x34/0x70
[  407.766627]  ? __switch_to_asm+0x34/0x70
[  407.771168]  ? __switch_to_asm+0x40/0x70
[  407.775231]  ? __switch_to_asm+0x34/0x70
[  407.779295]  ? __switch_to_asm+0x40/0x70
[  407.783358]  ? __switch_to_asm+0x34/0x70
[  407.787418]  ? __switch_to_asm+0x40/0x70
[  407.791495]  ? __switch_to_asm+0x34/0x70
[  407.795561]  ? __switch_to_asm+0x34/0x70
[  407.799622]  ? __switch_to_asm+0x40/0x70
[  407.803693]  ? __switch_to_asm+0x34/0x70
[  407.807783]  bpf_clone_redirect+0xb9/0x490
[  407.812018]  ? __schedule+0x8d7/0x21d0
[  407.815913]  bpf_prog_bebbfe2050753572+0x6c2/0x1000
[  407.820935]  ? __sched_text_start+0x8/0x8
[  407.825087]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  407.829852]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  407.834435]  ? retint_kernel+0x2d/0x2d
[  407.838329]  ? find_held_lock+0x36/0x1c0
[  407.842406]  ? lock_acquire+0x1ed/0x520
[  407.846407]  ? bpf_test_run+0x3cb/0x780
[  407.850389]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.855934]  ? check_preemption_disabled+0x48/0x280
[  407.861441]  ? kasan_check_read+0x11/0x20
[  407.865614]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  407.870894]  ? rcu_softirq_qs+0x20/0x20
[  407.874869]  ? preempt_schedule+0x4d/0x60
[  407.879017]  ? ___preempt_schedule+0x16/0x18
[  407.883436]  ? bpf_test_run+0x25d/0x780
[  407.887427]  ? netlink_diag_dump+0x2a0/0x2a0
[  407.891844]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.897396]  ? bpf_test_init.isra.10+0x70/0x100
[  407.902310]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  407.907077]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  407.911921]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  407.917460]  ? fput+0x130/0x1a0
[  407.920754]  ? __bpf_prog_get+0x9b/0x290
[  407.924820]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  407.929661]  ? bpf_prog_test_run+0x130/0x1a0
[  407.934075]  ? __x64_sys_bpf+0x3d8/0x520
[  407.938137]  ? bpf_prog_get+0x20/0x20
[  407.941964]  ? do_syscall_64+0x1b9/0x820
[  407.946026]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  407.951397]  ? syscall_return_slowpath+0x5e0/0x5e0
[  407.956326]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.961178]  ? trace_hardirqs_on_caller+0x310/0x310
[  407.966196]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  407.971216]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.976767]  ? prepare_exit_to_usermode+0x291/0x3b0
[  407.981794]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.986654]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  407.992043] CPU: 1 PID: 5666 Comm: syz-fuzzer Not tainted 4.19.0+ #74
[  407.992113] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  407.998626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  407.998636] Call Trace:
[  408.005234] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  408.014462]  <IRQ>
[  408.017033] syz-executor5 cpuset=syz5 mems_allowed=0
[  408.027526]  dump_stack+0x244/0x39d
[  408.038386]  ? dump_stack_print_info.cold.1+0x20/0x20
[  408.043596]  warn_alloc.cold.116+0xb7/0x1bd
[  408.047929]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  408.052779]  ? lock_downgrade+0x900/0x900
[  408.056939]  ? trace_hardirqs_off+0xb8/0x310
[  408.061358]  ? trace_hardirqs_off+0xb8/0x310
[  408.065780]  __alloc_pages_slowpath+0x26e8/0x2e10
[  408.070660]  ? warn_alloc+0x120/0x120
[  408.074465]  ? print_usage_bug+0xc0/0xc0
[  408.078528]  ? warn_alloc+0x120/0x120
[  408.082333]  ? warn_alloc+0x120/0x120
[  408.086146]  ? print_usage_bug+0xc0/0xc0
[  408.090210]  ? kvm_clock_read+0x18/0x30
[  408.094191]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  408.099212]  ? print_usage_bug+0xc0/0xc0
[  408.103279]  ? __lock_acquire+0x62f/0x4c20
[  408.107525]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.113066]  ? should_fail+0x22d/0xd01
[  408.116952]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  408.122235]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  408.127348]  ? __lock_acquire+0x62f/0x4c20
[  408.131586]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  408.136688]  ? __lock_acquire+0x62f/0x4c20
[  408.140937]  ? should_fail+0x22d/0xd01
[  408.144827]  ? rcu_irq_exit+0x1a2/0x390
[  408.148816]  ? mark_held_locks+0x130/0x130
[  408.153058]  ? mark_held_locks+0x130/0x130
[  408.157301]  ? mark_held_locks+0xc7/0x130
[  408.161470]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  408.166488]  ? zap_class+0x640/0x640
[  408.170206]  ? print_usage_bug+0xc0/0xc0
[  408.174282]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.179827]  ? check_preemption_disabled+0x48/0x280
[  408.184862]  ? __lock_is_held+0xb5/0x140
[  408.188938]  __alloc_pages_nodemask+0xa80/0xde0
[  408.193612]  ? zap_class+0x640/0x640
[  408.197336]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  408.202372]  ? find_held_lock+0x36/0x1c0
[  408.206450]  ? ____cache_alloc_node+0x1c7/0x1e0
[  408.211128]  ? lock_downgrade+0x900/0x900
[  408.215295]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.220847]  cache_grow_begin+0xa5/0x8c0
[  408.224914]  ? do_raw_spin_unlock+0xa7/0x330
[  408.229366]  fallback_alloc+0x204/0x2e0
[  408.233352]  ____cache_alloc_node+0x1c7/0x1e0
[  408.237857]  kmem_cache_alloc_node+0xe3/0x730
[  408.242354]  ? ipv6_get_ifaddr+0x42e/0x620
[  408.246600]  __alloc_skb+0x119/0x770
[  408.250317]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  408.255607]  ? netdev_alloc_frag+0x1f0/0x1f0
[  408.260021]  ? lock_downgrade+0x900/0x900
[  408.264181]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.269721]  ? refcount_sub_and_test_checked+0x203/0x310
[  408.275186]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  408.280643]  ? addrconf_rs_timer+0x690/0x690
[  408.285071]  ndisc_alloc_skb+0x144/0x340
[  408.289140]  ndisc_send_rs+0x331/0x6e0
[  408.293044]  addrconf_rs_timer+0x314/0x690
[  408.297295]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.301548]  call_timer_fn+0x272/0x920
[  408.305447]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.309685]  ? process_timeout+0x40/0x40
[  408.313765]  ? mark_held_locks+0xc7/0x130
[  408.317925]  ? _raw_spin_unlock_irq+0x27/0x80
[  408.322423]  ? _raw_spin_unlock_irq+0x27/0x80
[  408.326922]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.331163]  ? lockdep_hardirqs_on+0x296/0x5b0
[  408.335759]  ? trace_hardirqs_on+0xbd/0x310
[  408.340088]  ? kasan_check_read+0x11/0x20
[  408.344246]  ? __run_timers+0x7da/0xc70
[  408.348224]  ? trace_hardirqs_off_caller+0x310/0x310
[  408.353339]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.357582]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.361820]  __run_timers+0x7e5/0xc70
[  408.365636]  ? timer_fixup_init+0x70/0x70
[  408.369790]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  408.374813]  ? zap_class+0x640/0x640
[  408.378542]  ? print_usage_bug+0xc0/0xc0
[  408.382614]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  408.387840]  ? find_held_lock+0x36/0x1c0
[  408.391918]  ? zap_class+0x640/0x640
[  408.395646]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.401192]  ? check_preemption_disabled+0x48/0x280
[  408.406229]  ? __lock_is_held+0xb5/0x140
[  408.410307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.415857]  ? check_preemption_disabled+0x48/0x280
[  408.420889]  run_timer_softirq+0x52/0xb0
[  408.424960]  ? rcu_read_lock_sched_held+0x14f/0x180
[  408.429983]  __do_softirq+0x308/0xb7e
[  408.433791]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  408.438288]  ? lock_downgrade+0x900/0x900
[  408.442440]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  408.447552]  ? pvclock_read_flags+0x160/0x160
[  408.452050]  ? lapic_next_event+0x5a/0x90
[  408.456226]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.461780]  ? kvm_clock_read+0x18/0x30
[  408.465761]  ? kvm_sched_clock_read+0x9/0x20
[  408.470176]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.475725]  ? check_preemption_disabled+0x48/0x280
[  408.480774]  irq_exit+0x17f/0x1c0
[  408.484235]  smp_apic_timer_interrupt+0x1cb/0x760
[  408.489106]  ? smp_reschedule_interrupt+0x109/0x650
[  408.494149]  ? smp_call_function_single_interrupt+0x650/0x650
[  408.500038]  ? interrupt_entry+0xb5/0xc0
[  408.504102]  ? trace_hardirqs_off_caller+0xbb/0x310
[  408.509121]  ? trace_hardirqs_off_caller+0xbb/0x310
[  408.514142]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  408.518993]  ? trace_hardirqs_on_caller+0x310/0x310
[  408.524013]  ? trace_hardirqs_on_caller+0x310/0x310
[  408.529050]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  408.533907]  apic_timer_interrupt+0xf/0x20
[  408.538136]  </IRQ>
[  408.540375] RIP: 0010:dump_stack+0x358/0x39d
[  408.544787] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 a1 9c fd f9 48 83 3d 29 00 8d 01 00 0f 84 63 fe ff ff e8 ee 69 ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db 69 ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  408.563696] RSP: 0000:ffff8801b9cce1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  408.571423] RAX: ffff8801d71b2040 RBX: 1ffffffff12a3f46 RCX: 1ffff1003ae36526
[  408.578700] RDX: 0000000000000000 RSI: ffffffff87c4fa12 RDI: 0000000000000293
[  408.585984] RBP: ffff8801b9cce290 R08: ffff8801d71b2930 R09: 0000000000000006
[  408.593264] R10: 0000000000000000 R11: ffff8801d71b2040 R12: 1ffff10037399c45
[  408.600555] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  408.607857]  ? dump_stack+0x34f/0x39d
[  408.611683]  ? dump_stack_print_info.cold.1+0x20/0x20
[  408.616886]  ? mark_held_locks+0x130/0x130
[  408.621136]  ? mark_held_locks+0x130/0x130
[  408.625989]  dump_header+0x27b/0xf72
[  408.629723]  ? pagefault_out_of_memory+0x197/0x197
[  408.634677]  ? __lock_acquire+0x62f/0x4c20
[  408.638916]  ? percpu_ref_get_many+0x240/0x240
[  408.643509]  ? print_usage_bug+0xc0/0xc0
[  408.647585]  ? zap_class+0x640/0x640
[  408.651308]  ? print_usage_bug+0xc0/0xc0
[  408.655371]  ? print_usage_bug+0xc0/0xc0
[  408.659437]  ? zap_class+0x640/0x640
[  408.663161]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.668710]  ? find_held_lock+0x36/0x1c0
[  408.672798]  ? mark_held_locks+0xc7/0x130
[  408.676956]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  408.682067]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  408.687177]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  408.691787]  ? trace_hardirqs_on+0xbd/0x310
[  408.696118]  ? kasan_check_read+0x11/0x20
[  408.700282]  ? ___ratelimit+0x3b4/0x672
[  408.704270]  ? trace_hardirqs_off_caller+0x310/0x310
[  408.709385]  ? trace_hardirqs_on+0x310/0x310
[  408.713803]  ? lock_downgrade+0x900/0x900
[  408.717959]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  408.723068]  ? ___ratelimit+0x3b9/0x672
[  408.727048]  ? idr_get_free+0xf80/0xf80
[  408.731027]  ? find_held_lock+0x36/0x1c0
[  408.735105]  oom_kill_process.cold.27+0x10/0x903
[  408.739878]  ? zap_class+0x640/0x640
[  408.743603]  ? check_preemption_disabled+0x48/0x280
[  408.748631]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  408.753573]  ? kasan_check_read+0x11/0x20
[  408.757741]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  408.763032]  ? oom_evaluate_task+0x540/0x540
[  408.767447]  ? find_held_lock+0x36/0x1c0
[  408.771522]  ? out_of_memory+0x974/0x1430
[  408.775675]  ? lock_downgrade+0x900/0x900
[  408.779839]  ? check_preemption_disabled+0x48/0x280
[  408.784865]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  408.789803]  ? kasan_check_read+0x11/0x20
[  408.793969]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  408.799254]  ? rcu_softirq_qs+0x20/0x20
[  408.803237]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.808784]  ? oom_evaluate_task+0x302/0x540
[  408.813200]  out_of_memory+0xa84/0x1430
[  408.817190]  ? oom_killer_disable+0x3a0/0x3a0
[  408.821690]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  408.826631]  ? __ww_mutex_check_waiters+0x160/0x160
[  408.831676]  __alloc_pages_slowpath+0x2354/0x2e10
[  408.836562]  ? warn_alloc+0x120/0x120
[  408.840373]  ? mark_held_locks+0x130/0x130
[  408.844630]  ? find_get_entry+0xaae/0x1120
[  408.848887]  ? filemap_map_pages+0x1a20/0x1a20
[  408.853478]  ? zap_class+0x640/0x640
[  408.857200]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.862750]  ? check_preemption_disabled+0x48/0x280
[  408.867769]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.873310]  ? should_fail+0x22d/0xd01
[  408.877201]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  408.882313]  ? zap_class+0x640/0x640
[  408.886056]  ? __lock_is_held+0xb5/0x140
[  408.890127]  ? mark_held_locks+0x130/0x130
[  408.894365]  ? lock_release+0xa00/0xa00
[  408.898344]  ? perf_trace_sched_process_exec+0x860/0x860
[  408.903796]  ? xa_load+0x2ba/0x460
[  408.907344]  ? lock_downgrade+0x900/0x900
[  408.911500]  ? __might_sleep+0x95/0x190
[  408.915481]  __alloc_pages_nodemask+0xa80/0xde0
[  408.920163]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  408.925186]  ? __page_cache_alloc+0x191/0x5c0
[  408.929686]  ? xa_load+0x2e1/0x460
[  408.933234]  ? xa_clear_mark+0x40/0x40
[  408.937135]  ? zap_class+0x640/0x640
[  408.940858]  ? zap_class+0x640/0x640
[  408.944573]  ? zap_class+0x640/0x640
[  408.948292]  ? __do_page_cache_readahead+0x663/0x810
[  408.953401]  ? find_held_lock+0x36/0x1c0
[  408.957470]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  408.963011]  alloc_pages_current+0x173/0x350
[  408.967432]  __page_cache_alloc+0x38c/0x5c0
[  408.971760]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  408.976693]  ? kasan_check_read+0x11/0x20
[  408.980845]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  408.986127]  ? generic_perform_write+0x6a0/0x6a0
[  408.990889]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.996430]  ? check_preemption_disabled+0x48/0x280
[  409.001474]  filemap_fault+0x1595/0x25f0
[  409.005553]  ? __lock_page_or_retry+0xa00/0xa00
[  409.010226]  ? mark_held_locks+0x130/0x130
[  409.014493]  ? filemap_map_pages+0xd6b/0x1a20
[  409.018994]  ? lock_downgrade+0x900/0x900
[  409.023143]  ? check_preemption_disabled+0x48/0x280
[  409.028167]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  409.033101]  ? kasan_check_read+0x11/0x20
[  409.037253]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.042534]  ? rcu_softirq_qs+0x20/0x20
[  409.046525]  ? filemap_map_pages+0xd92/0x1a20
[  409.051025]  ? __lock_acquire+0x62f/0x4c20
[  409.055274]  ? find_get_entries_tag+0x1400/0x1400
[  409.060140]  ? lock_acquire+0x1ed/0x520
[  409.064116]  ? ext4_filemap_fault+0x7a/0xad
[  409.068445]  ? lock_release+0xa00/0xa00
[  409.072422]  ? perf_trace_sched_process_exec+0x860/0x860
[  409.077876]  ? print_usage_bug+0xc0/0xc0
[  409.081943]  ? print_usage_bug+0xc0/0xc0
[  409.086016]  ? down_read+0x8d/0x120
[  409.089642]  ? ext4_filemap_fault+0x7a/0xad
[  409.093964]  ? __down_interruptible+0x700/0x700
[  409.098644]  ext4_filemap_fault+0x82/0xad
[  409.102797]  __do_fault+0x100/0x6b0
[  409.106430]  ? pmd_devmap_trans_unstable+0x220/0x220
[  409.111538]  ? mark_held_locks+0x130/0x130
[  409.115780]  ? mark_held_locks+0x130/0x130
[  409.120018]  ? __might_fault+0x12b/0x1e0
[  409.124083]  ? lock_downgrade+0x900/0x900
[  409.128244]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.133793]  __handle_mm_fault+0x3ea6/0x5be0
[  409.138213]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  409.143069]  ? kasan_check_read+0x11/0x20
[  409.147216]  ? _copy_to_user+0xc8/0x110
[  409.151199]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.156754]  ? zap_class+0x640/0x640
[  409.160469]  ? zap_class+0x640/0x640
[  409.164189]  ? find_held_lock+0x36/0x1c0
[  409.168265]  ? handle_mm_fault+0x42a/0xc70
[  409.172518]  ? lock_downgrade+0x900/0x900
[  409.176686]  ? check_preemption_disabled+0x48/0x280
[  409.181736]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  409.186666]  ? kasan_check_read+0x11/0x20
[  409.190823]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.196106]  ? rcu_softirq_qs+0x20/0x20
[  409.200082]  ? trace_hardirqs_off_caller+0x310/0x310
[  409.205189]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.210737]  ? check_preemption_disabled+0x48/0x280
[  409.215767]  handle_mm_fault+0x54f/0xc70
[  409.219860]  ? __handle_mm_fault+0x5be0/0x5be0
[  409.224447]  ? find_vma+0x34/0x190
[  409.227995]  __do_page_fault+0x5e8/0xe60
[  409.232058]  ? trace_hardirqs_off+0xb8/0x310
[  409.236469]  ? retint_kernel+0x2d/0x2d
[  409.240368]  do_page_fault+0xf2/0x7e0
[  409.244169]  ? vmalloc_sync_all+0x30/0x30
[  409.248319]  ? error_entry+0x70/0xd0
[  409.252034]  ? trace_hardirqs_off_caller+0xbb/0x310
[  409.257050]  ? trace_hardirqs_on_caller+0xc0/0x310
[  409.261979]  ? syscall_return_slowpath+0x5e0/0x5e0
[  409.266907]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  409.271758]  ? trace_hardirqs_on_caller+0x310/0x310
[  409.276781]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  409.282244]  ? prepare_exit_to_usermode+0x291/0x3b0
[  409.287265]  ? page_fault+0x8/0x30
[  409.290810]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  409.295659]  ? page_fault+0x8/0x30
[  409.299204]  page_fault+0x1e/0x30
[  409.302659] RIP: 0033:0x45d911
[  409.305863] Code: Bad RIP value.
[  409.309224] RSP: 002b:000000c420035f18 EFLAGS: 00010246
[  409.314588] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 000000000045d911
[  409.321859] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  409.329124] RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
[  409.336391] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  409.343659] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  409.350953] warn_alloc_show_mem: 1 callbacks suppressed
[  409.350965] CPU: 0 PID: 11721 Comm: syz-executor5 Not tainted 4.19.0+ #74
[  409.350967] Mem-Info:
[  409.350998] active_anon:50643 inactive_anon:847 isolated_anon:0
[  409.350998]  active_file:14 inactive_file:13 isolated_file:0
[  409.350998]  unevictable:0 dirty:0 writeback:0 unstable:0
[  409.350998]  slab_reclaimable:9230 slab_unreclaimable:1469886
[  409.350998]  mapped:49154 shmem:854 pagetables:629 bounce:0
[  409.350998]  free:13794 free_pcp:158 free_cma:0
[  409.356336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  409.356345] Call Trace:
[  409.363301] Node 0 active_anon:202572kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3416kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  409.365700]  <IRQ>
[  409.398568] 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
[  409.407926]  dump_stack+0x244/0x39d
[  409.410485] lowmem_reserve[]: 0 2818 6321 6321
[  409.438156]  ? dump_stack_print_info.cold.1+0x20/0x20
[  409.440284] Node 0 DMA32 free:25280kB min:30052kB low:37564kB high:45076kB active_anon:236kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  409.466424]  warn_alloc.cold.116+0xb7/0x1bd
[  409.470017] lowmem_reserve[]: 0 0 3503 3503
[  409.474612]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  409.479789] Node 0 Normal free:13988kB min:37364kB low:46704kB high:56044kB active_anon:202336kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:412kB local_pcp:252kB free_cma:0kB
[  409.507292]  ? lock_downgrade+0x900/0x900
[  409.511590] lowmem_reserve[]: 0 0 0 0
[  409.515914]  ? trace_hardirqs_off+0xb8/0x310
[  409.520738] 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
[  409.549737]  ? trace_hardirqs_off+0xb8/0x310
[  409.553859] Node 0 DMA32: 2*4kB (H) 3*8kB (UMH) 2*16kB (M) 2*32kB (MH) 5*64kB (MH) 4*128kB (M) 5*256kB (MH) 5*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 25280kB
[  409.557674]  __alloc_pages_slowpath+0x26e8/0x2e10
[  409.562050] Node 0 Normal: 737*4kB (UMEH) 442*8kB (UME) 213*16kB (UME) 70*32kB (UME) 7*64kB (UMH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13988kB
[  409.575591]  ? warn_alloc+0x120/0x120
[  409.579959] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  409.595384]  ? print_usage_bug+0xc0/0xc0
[  409.600207] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  409.615550]  ? warn_alloc+0x120/0x120
[  409.619328] 881 total pagecache pages
[  409.628178]  ? warn_alloc+0x120/0x120
[  409.632220] 0 pages in swap cache
[  409.640785]  ? print_usage_bug+0xc0/0xc0
[  409.644558] Swap cache stats: add 0, delete 0, find 0/0
[  409.644567] Free swap  = 0kB
[  409.648361]  ? kvm_clock_read+0x18/0x30
[  409.652140] Total swap = 0kB
[  409.655598]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  409.659630] 1965979 pages RAM
[  409.665002]  ? print_usage_bug+0xc0/0xc0
[  409.667997] 0 pages HighMem/MovableOnly
[  409.671963]  ? __lock_acquire+0x62f/0x4c20
[  409.674950] 342858 pages reserved
[  409.674958] 0 pages cma reserved
[  409.679968]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.683108] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  409.687100]  ? should_fail+0x22d/0xd01
[  409.691123] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  409.695275]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.698707] syz-fuzzer cpuset=/ mems_allowed=0
[  409.702081]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  409.743113]  ? __lock_acquire+0x62f/0x4c20
[  409.747358]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  409.752462]  ? __lock_acquire+0x62f/0x4c20
[  409.756697]  ? should_fail+0x22d/0xd01
[  409.760591]  ? rcu_irq_exit+0x1a2/0x390
[  409.764577]  ? mark_held_locks+0x130/0x130
[  409.768821]  ? mark_held_locks+0x130/0x130
[  409.773585]  ? mark_held_locks+0xc7/0x130
[  409.777752]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  409.782773]  ? zap_class+0x640/0x640
[  409.786489]  ? print_usage_bug+0xc0/0xc0
[  409.790556]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.796099]  ? check_preemption_disabled+0x48/0x280
[  409.801130]  ? __lock_is_held+0xb5/0x140
[  409.805210]  __alloc_pages_nodemask+0xa80/0xde0
[  409.809886]  ? zap_class+0x640/0x640
[  409.813607]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  409.818636]  ? find_held_lock+0x36/0x1c0
[  409.822713]  ? ____cache_alloc_node+0x1c7/0x1e0
[  409.827398]  ? lock_downgrade+0x900/0x900
[  409.831574]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.837122]  cache_grow_begin+0xa5/0x8c0
[  409.841188]  ? do_raw_spin_unlock+0xa7/0x330
[  409.845610]  fallback_alloc+0x204/0x2e0
[  409.849598]  ____cache_alloc_node+0x1c7/0x1e0
[  409.854102]  kmem_cache_alloc_node+0xe3/0x730
[  409.859109]  ? ipv6_get_ifaddr+0x42e/0x620
[  409.863357]  __alloc_skb+0x119/0x770
[  409.867071]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.872357]  ? netdev_alloc_frag+0x1f0/0x1f0
[  409.876773]  ? lock_downgrade+0x900/0x900
[  409.880932]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.886471]  ? refcount_sub_and_test_checked+0x203/0x310
[  409.891947]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  409.897420]  ? addrconf_rs_timer+0x690/0x690
[  409.902040]  ndisc_alloc_skb+0x144/0x340
[  409.906120]  ndisc_send_rs+0x331/0x6e0
[  409.910015]  addrconf_rs_timer+0x314/0x690
[  409.914285]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.918533]  call_timer_fn+0x272/0x920
[  409.922419]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.926655]  ? process_timeout+0x40/0x40
[  409.930736]  ? __run_timers+0x7da/0xc70
[  409.934723]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.939235]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.943737]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.947981]  ? lockdep_hardirqs_on+0x296/0x5b0
[  409.952568]  ? trace_hardirqs_on+0xbd/0x310
[  409.956891]  ? kasan_check_read+0x11/0x20
[  409.961037]  ? __run_timers+0x7da/0xc70
[  409.965017]  ? trace_hardirqs_off_caller+0x310/0x310
[  409.970126]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.974365]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.978629]  __run_timers+0x7e5/0xc70
[  409.982457]  ? timer_fixup_init+0x70/0x70
[  409.986605]  ? kasan_check_read+0x11/0x20
[  409.990761]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.996043]  ? rcu_softirq_qs+0x20/0x20
[  410.000020]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.005563]  ? check_preemption_disabled+0x48/0x280
[  410.010585]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  410.015366]  ? retint_kernel+0x2d/0x2d
[  410.019258]  ? trace_hardirqs_on_caller+0xc0/0x310
[  410.024189]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  410.028950]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  410.034404]  ? zap_class+0x640/0x640
[  410.038124]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.043853]  ? check_preemption_disabled+0x48/0x280
[  410.048885]  ? __lock_is_held+0xb5/0x140
[  410.052952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.058511]  ? check_preemption_disabled+0x48/0x280
[  410.063535]  run_timer_softirq+0x52/0xb0
[  410.067602]  ? rcu_read_lock_sched_held+0x14f/0x180
[  410.072638]  __do_softirq+0x308/0xb7e
[  410.076447]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  410.080945]  ? lock_downgrade+0x900/0x900
[  410.085096]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  410.090213]  ? pvclock_read_flags+0x160/0x160
[  410.094715]  ? lapic_next_event+0x5a/0x90
[  410.098891]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.104436]  ? kvm_clock_read+0x18/0x30
[  410.108415]  ? kvm_sched_clock_read+0x9/0x20
[  410.112846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.118390]  ? check_preemption_disabled+0x48/0x280
[  410.123423]  irq_exit+0x17f/0x1c0
[  410.126886]  smp_apic_timer_interrupt+0x1cb/0x760
[  410.131743]  ? smp_reschedule_interrupt+0x109/0x650
[  410.136776]  ? smp_call_function_single_interrupt+0x650/0x650
[  410.142663]  ? interrupt_entry+0xb5/0xc0
[  410.146759]  ? trace_hardirqs_off_caller+0xbb/0x310
[  410.151778]  ? trace_hardirqs_off_caller+0xbb/0x310
[  410.156796]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.161641]  ? trace_hardirqs_on_caller+0x310/0x310
[  410.166656]  ? trace_hardirqs_on_caller+0x310/0x310
[  410.171672]  ? task_prio+0x50/0x50
[  410.175218]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.180769]  ? check_preemption_disabled+0x48/0x280
[  410.185797]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.190653]  apic_timer_interrupt+0xf/0x20
[  410.194891]  </IRQ>
[  410.197132] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  410.202064] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 14
[  410.220965] RSP: 0000:ffff8801bf14f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  410.228673] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  410.235951] RDX: 0000000000000000 RSI: ffff8801b68a4c40 RDI: 0000000000000286
[  410.243217] RBP: ffff8801bf14f7a0 R08: ffff8801b68a43c0 R09: 0000000000000000
[  410.250483] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  410.257760] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  410.265073]  skb_clone+0x1bb/0x500
[  410.268618]  ? finish_task_switch+0x2f4/0x910
[  410.273112]  ? skb_split+0x11e0/0x11e0
[  410.277005]  ? preempt_notifier_register+0x200/0x200
[  410.282110]  ? __switch_to_asm+0x34/0x70
[  410.286172]  ? __switch_to_asm+0x34/0x70
[  410.290232]  ? __switch_to_asm+0x40/0x70
[  410.294292]  ? __switch_to_asm+0x34/0x70
[  410.298355]  ? __switch_to_asm+0x40/0x70
[  410.302418]  ? __switch_to_asm+0x34/0x70
[  410.306481]  ? __switch_to_asm+0x40/0x70
[  410.310543]  ? __switch_to_asm+0x34/0x70
[  410.314605]  ? __switch_to_asm+0x34/0x70
[  410.318663]  ? __switch_to_asm+0x40/0x70
[  410.322736]  ? __switch_to_asm+0x34/0x70
[  410.326816]  bpf_clone_redirect+0xb9/0x490
[  410.331055]  ? __schedule+0x8d7/0x21d0
[  410.334952]  bpf_prog_bebbfe2050753572+0x6c2/0x1000
[  410.339972]  ? __sched_text_start+0x8/0x8
[  410.344131]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  410.348893]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  410.353484]  ? retint_kernel+0x2d/0x2d
[  410.357380]  ? find_held_lock+0x36/0x1c0
[  410.361451]  ? lock_acquire+0x1ed/0x520
[  410.365428]  ? bpf_test_run+0x3cb/0x780
[  410.369404]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.374946]  ? check_preemption_disabled+0x48/0x280
[  410.379973]  ? kasan_check_read+0x11/0x20
[  410.384129]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  410.389406]  ? rcu_softirq_qs+0x20/0x20
[  410.393384]  ? preempt_schedule+0x4d/0x60
[  410.397534]  ? ___preempt_schedule+0x16/0x18
[  410.401982]  ? bpf_test_run+0x25d/0x780
[  410.405973]  ? netlink_diag_dump+0x2a0/0x2a0
[  410.410388]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.415925]  ? bpf_test_init.isra.10+0x70/0x100
[  410.420600]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  410.425367]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  410.430208]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  410.435760]  ? fput+0x130/0x1a0
[  410.439044]  ? __bpf_prog_get+0x9b/0x290
[  410.443108]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  410.447955]  ? bpf_prog_test_run+0x130/0x1a0
[  410.452369]  ? __x64_sys_bpf+0x3d8/0x520
[  410.456434]  ? bpf_prog_get+0x20/0x20
[  410.460256]  ? do_syscall_64+0x1b9/0x820
[  410.464318]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  410.469683]  ? syscall_return_slowpath+0x5e0/0x5e0
[  410.474611]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.479460]  ? trace_hardirqs_on_caller+0x310/0x310
[  410.484480]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  410.489497]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.495040]  ? prepare_exit_to_usermode+0x291/0x3b0
[  410.500063]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.504921]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  410.510306] CPU: 1 PID: 5666 Comm: syz-fuzzer Not tainted 4.19.0+ #74
[  410.510374] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  410.516892] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  410.516897] Call Trace:
[  410.516904]  <IRQ>
[  410.516921]  dump_stack+0x244/0x39d
[  410.516939]  ? dump_stack_print_info.cold.1+0x20/0x20
[  410.523508] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  410.532785]  warn_alloc.cold.116+0xb7/0x1bd
[  410.535337] syz-executor5 cpuset=syz5 mems_allowed=0
[  410.537482]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  410.570988]  ? lock_downgrade+0x900/0x900
[  410.575149]  ? trace_hardirqs_off+0xb8/0x310
[  410.579566]  ? trace_hardirqs_off+0xb8/0x310
[  410.583990]  __alloc_pages_slowpath+0x26e8/0x2e10
[  410.588865]  ? warn_alloc+0x120/0x120
[  410.592668]  ? print_usage_bug+0xc0/0xc0
[  410.596738]  ? warn_alloc+0x120/0x120
[  410.600552]  ? warn_alloc+0x120/0x120
[  410.604360]  ? print_usage_bug+0xc0/0xc0
[  410.608426]  ? print_usage_bug+0xc0/0xc0
[  410.612505]  ? __lock_acquire+0x62f/0x4c20
[  410.616754]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.622310]  ? should_fail+0x22d/0xd01
[  410.626205]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  410.631316]  ? __lock_acquire+0x62f/0x4c20
[  410.635558]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  410.640664]  ? __lock_acquire+0x62f/0x4c20
[  410.644900]  ? should_fail+0x22d/0xd01
[  410.648789]  ? find_held_lock+0x36/0x1c0
[  410.652862]  ? mark_held_locks+0x130/0x130
[  410.657108]  ? mark_held_locks+0x130/0x130
[  410.661345]  ? zap_class+0x640/0x640
[  410.665064]  ? zap_class+0x640/0x640
[  410.668788]  ? print_usage_bug+0xc0/0xc0
[  410.672865]  ? do_raw_spin_unlock+0xa7/0x330
[  410.677280]  ? zap_class+0x640/0x640
[  410.680997]  ? print_usage_bug+0xc0/0xc0
[  410.685064]  ? wq_watchdog_touch+0x9c/0xfe
[  410.689310]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.694857]  ? check_preemption_disabled+0x48/0x280
[  410.699892]  ? __lock_is_held+0xb5/0x140
[  410.703963]  __alloc_pages_nodemask+0xa80/0xde0
[  410.708637]  ? zap_class+0x640/0x640
[  410.712360]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  410.717391]  ? find_held_lock+0x36/0x1c0
[  410.721468]  ? ____cache_alloc_node+0x1c7/0x1e0
[  410.726147]  ? lock_downgrade+0x900/0x900
[  410.730307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.735858]  cache_grow_begin+0xa5/0x8c0
[  410.739924]  ? do_raw_spin_unlock+0xa7/0x330
[  410.744344]  fallback_alloc+0x204/0x2e0
[  410.748329]  ____cache_alloc_node+0x1c7/0x1e0
[  410.752832]  kmem_cache_alloc_node+0xe3/0x730
[  410.757330]  ? ipv6_get_ifaddr+0x42e/0x620
[  410.761574]  __alloc_skb+0x119/0x770
[  410.765291]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  410.770576]  ? netdev_alloc_frag+0x1f0/0x1f0
[  410.774992]  ? lock_downgrade+0x900/0x900
[  410.779151]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.784692]  ? refcount_sub_and_test_checked+0x203/0x310
[  410.790147]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  410.795600]  ? addrconf_rs_timer+0x690/0x690
[  410.800021]  ndisc_alloc_skb+0x144/0x340
[  410.804086]  ndisc_send_rs+0x331/0x6e0
[  410.807985]  addrconf_rs_timer+0x314/0x690
[  410.812252]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.816506]  call_timer_fn+0x272/0x920
[  410.820394]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.824661]  ? process_timeout+0x40/0x40
[  410.828743]  ? mark_held_locks+0xc7/0x130
[  410.832916]  ? _raw_spin_unlock_irq+0x27/0x80
[  410.837414]  ? _raw_spin_unlock_irq+0x27/0x80
[  410.841911]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.846152]  ? lockdep_hardirqs_on+0x296/0x5b0
[  410.850745]  ? trace_hardirqs_on+0xbd/0x310
[  410.855074]  ? kasan_check_read+0x11/0x20
[  410.859648]  ? __run_timers+0x7da/0xc70
[  410.863627]  ? trace_hardirqs_off_caller+0x310/0x310
[  410.868742]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.872986]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.877219]  __run_timers+0x7e5/0xc70
[  410.881041]  ? timer_fixup_init+0x70/0x70
[  410.885211]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  410.890234]  ? zap_class+0x640/0x640
[  410.893959]  ? print_usage_bug+0xc0/0xc0
[  410.898027]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  410.903227]  ? find_held_lock+0x36/0x1c0
[  410.907302]  ? zap_class+0x640/0x640
[  410.911028]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.916662]  ? check_preemption_disabled+0x48/0x280
[  410.921687]  ? __lock_is_held+0xb5/0x140
[  410.925755]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.931297]  ? check_preemption_disabled+0x48/0x280
[  410.936323]  run_timer_softirq+0x52/0xb0
[  410.940389]  ? rcu_read_lock_sched_held+0x14f/0x180
[  410.945406]  __do_softirq+0x308/0xb7e
[  410.949214]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  410.953714]  ? lock_downgrade+0x900/0x900
[  410.957877]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  410.962993]  ? pvclock_read_flags+0x160/0x160
[  410.967492]  ? lapic_next_event+0x5a/0x90
[  410.971646]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.977190]  ? kvm_clock_read+0x18/0x30
[  410.981165]  ? kvm_sched_clock_read+0x9/0x20
[  410.985577]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.991122]  ? check_preemption_disabled+0x48/0x280
[  410.996154]  irq_exit+0x17f/0x1c0
[  410.999612]  smp_apic_timer_interrupt+0x1cb/0x760
[  411.004458]  ? smp_reschedule_interrupt+0x109/0x650
[  411.009482]  ? smp_call_function_single_interrupt+0x650/0x650
[  411.015368]  ? interrupt_entry+0xb5/0xc0
[  411.019436]  ? trace_hardirqs_off_caller+0xbb/0x310
[  411.024453]  ? trace_hardirqs_off_caller+0xbb/0x310
[  411.029476]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  411.034322]  ? trace_hardirqs_on_caller+0x310/0x310
[  411.039342]  ? trace_hardirqs_on_caller+0x310/0x310
[  411.044375]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  411.049230]  apic_timer_interrupt+0xf/0x20
[  411.053468]  </IRQ>
[  411.055708] RIP: 0010:dump_stack+0x358/0x39d
[  411.060123] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 a1 9c fd f9 48 83 3d 29 00 8d 01 00 0f 84 63 fe ff ff e8 ee 69 ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db 69 ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  411.079025] RSP: 0000:ffff8801b9cce1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  411.086740] RAX: ffff8801d71b2040 RBX: 1ffffffff12a3f46 RCX: 1ffff1003ae36526
[  411.094008] RDX: 0000000000000000 RSI: ffffffff87c4fa12 RDI: 0000000000000293
[  411.101275] RBP: ffff8801b9cce290 R08: ffff8801d71b2930 R09: 0000000000000006
[  411.108546] R10: 0000000000000000 R11: ffff8801d71b2040 R12: 1ffff10037399c45
[  411.115818] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  411.123108]  ? dump_stack+0x34f/0x39d
[  411.126926]  ? dump_stack_print_info.cold.1+0x20/0x20
[  411.132125]  ? mark_held_locks+0x130/0x130
[  411.136361]  ? mark_held_locks+0x130/0x130
[  411.140602]  dump_header+0x27b/0xf72
[  411.144333]  ? pagefault_out_of_memory+0x197/0x197
[  411.149302]  ? __lock_acquire+0x62f/0x4c20
[  411.153541]  ? percpu_ref_get_many+0x240/0x240
[  411.158126]  ? print_usage_bug+0xc0/0xc0
[  411.162195]  ? zap_class+0x640/0x640
[  411.165911]  ? print_usage_bug+0xc0/0xc0
[  411.169973]  ? print_usage_bug+0xc0/0xc0
[  411.174039]  ? zap_class+0x640/0x640
[  411.177763]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.183309]  ? find_held_lock+0x36/0x1c0
[  411.187384]  ? mark_held_locks+0xc7/0x130
[  411.191542]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  411.196644]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  411.201758]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  411.206362]  ? trace_hardirqs_on+0xbd/0x310
[  411.210722]  ? kasan_check_read+0x11/0x20
[  411.214880]  ? ___ratelimit+0x3b4/0x672
[  411.218861]  ? trace_hardirqs_off_caller+0x310/0x310
[  411.223971]  ? trace_hardirqs_on+0x310/0x310
[  411.228380]  ? lock_downgrade+0x900/0x900
[  411.232539]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  411.237648]  ? ___ratelimit+0x3b9/0x672
[  411.241626]  ? idr_get_free+0xf80/0xf80
[  411.245604]  ? find_held_lock+0x36/0x1c0
[  411.249691]  oom_kill_process.cold.27+0x10/0x903
[  411.254447]  ? zap_class+0x640/0x640
[  411.258164]  ? check_preemption_disabled+0x48/0x280
[  411.263186]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  411.268118]  ? kasan_check_read+0x11/0x20
[  411.272270]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  411.277556]  ? oom_evaluate_task+0x540/0x540
[  411.282020]  ? find_held_lock+0x36/0x1c0
[  411.286093]  ? out_of_memory+0x974/0x1430
[  411.290251]  ? lock_downgrade+0x900/0x900
[  411.294400]  ? check_preemption_disabled+0x48/0x280
[  411.299425]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  411.304706]  ? kasan_check_read+0x11/0x20
[  411.308868]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  411.314149]  ? rcu_softirq_qs+0x20/0x20
[  411.318131]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.323670]  ? oom_evaluate_task+0x302/0x540
[  411.328084]  out_of_memory+0xa84/0x1430
[  411.332071]  ? oom_killer_disable+0x3a0/0x3a0
[  411.336570]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  411.341508]  ? __ww_mutex_check_waiters+0x160/0x160
[  411.346541]  __alloc_pages_slowpath+0x2354/0x2e10
[  411.351419]  ? warn_alloc+0x120/0x120
[  411.355220]  ? mark_held_locks+0x130/0x130
[  411.359469]  ? find_get_entry+0xaae/0x1120
[  411.363716]  ? filemap_map_pages+0x1a20/0x1a20
[  411.368314]  ? zap_class+0x640/0x640
[  411.372035]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.377575]  ? check_preemption_disabled+0x48/0x280
[  411.382596]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.388138]  ? should_fail+0x22d/0xd01
[  411.392030]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  411.397141]  ? zap_class+0x640/0x640
[  411.400885]  ? __lock_is_held+0xb5/0x140
[  411.405008]  ? mark_held_locks+0x130/0x130
[  411.409255]  ? lock_release+0xa00/0xa00
[  411.413231]  ? perf_trace_sched_process_exec+0x860/0x860
[  411.418696]  ? xa_load+0x2ba/0x460
[  411.422251]  ? lock_downgrade+0x900/0x900
[  411.426407]  ? __might_sleep+0x95/0x190
[  411.430391]  __alloc_pages_nodemask+0xa80/0xde0
[  411.435075]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  411.440099]  ? __page_cache_alloc+0x191/0x5c0
[  411.444593]  ? xa_load+0x2e1/0x460
[  411.448138]  ? xa_clear_mark+0x40/0x40
[  411.452033]  ? zap_class+0x640/0x640
[  411.455762]  ? zap_class+0x640/0x640
[  411.459478]  ? zap_class+0x640/0x640
[  411.463193]  ? __do_page_cache_readahead+0x663/0x810
[  411.468303]  ? find_held_lock+0x36/0x1c0
[  411.472370]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  411.477918]  alloc_pages_current+0x173/0x350
[  411.482338]  __page_cache_alloc+0x38c/0x5c0
[  411.486660]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  411.491590]  ? kasan_check_read+0x11/0x20
[  411.495746]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  411.501036]  ? generic_perform_write+0x6a0/0x6a0
[  411.505796]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.511340]  ? check_preemption_disabled+0x48/0x280
[  411.516368]  filemap_fault+0x1595/0x25f0
[  411.520449]  ? __lock_page_or_retry+0xa00/0xa00
[  411.525122]  ? mark_held_locks+0x130/0x130
[  411.529369]  ? filemap_map_pages+0xd6b/0x1a20
[  411.533870]  ? lock_downgrade+0x900/0x900
[  411.538022]  ? check_preemption_disabled+0x48/0x280
[  411.543048]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  411.547982]  ? kasan_check_read+0x11/0x20
[  411.552132]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  411.557511]  ? rcu_softirq_qs+0x20/0x20
[  411.561506]  ? filemap_map_pages+0xd92/0x1a20
[  411.566008]  ? __lock_acquire+0x62f/0x4c20
[  411.570257]  ? find_get_entries_tag+0x1400/0x1400
[  411.575127]  ? lock_acquire+0x1ed/0x520
[  411.579108]  ? ext4_filemap_fault+0x7a/0xad
[  411.583442]  ? lock_release+0xa00/0xa00
[  411.587418]  ? perf_trace_sched_process_exec+0x860/0x860
[  411.592874]  ? print_usage_bug+0xc0/0xc0
[  411.596938]  ? print_usage_bug+0xc0/0xc0
[  411.601015]  ? down_read+0x8d/0x120
[  411.604663]  ? ext4_filemap_fault+0x7a/0xad
[  411.608992]  ? __down_interruptible+0x700/0x700
[  411.613676]  ext4_filemap_fault+0x82/0xad
[  411.617831]  __do_fault+0x100/0x6b0
[  411.621466]  ? pmd_devmap_trans_unstable+0x220/0x220
[  411.626580]  ? mark_held_locks+0x130/0x130
[  411.630824]  ? mark_held_locks+0x130/0x130
[  411.635061]  ? __might_fault+0x12b/0x1e0
[  411.639126]  ? lock_downgrade+0x900/0x900
[  411.643283]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.648836]  __handle_mm_fault+0x3ea6/0x5be0
[  411.653280]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  411.658141]  ? kasan_check_read+0x11/0x20
[  411.662294]  ? _copy_to_user+0xc8/0x110
[  411.666290]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.671851]  ? zap_class+0x640/0x640
[  411.675566]  ? zap_class+0x640/0x640
[  411.679294]  ? find_held_lock+0x36/0x1c0
[  411.683384]  ? handle_mm_fault+0x42a/0xc70
[  411.687633]  ? lock_downgrade+0x900/0x900
[  411.691793]  ? check_preemption_disabled+0x48/0x280
[  411.696823]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  411.701796]  ? kasan_check_read+0x11/0x20
[  411.705949]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  411.711231]  ? rcu_softirq_qs+0x20/0x20
[  411.715218]  ? trace_hardirqs_off_caller+0x310/0x310
[  411.720352]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.725899]  ? check_preemption_disabled+0x48/0x280
[  411.730930]  handle_mm_fault+0x54f/0xc70
[  411.735000]  ? __handle_mm_fault+0x5be0/0x5be0
[  411.739587]  ? find_vma+0x34/0x190
[  411.743137]  __do_page_fault+0x5e8/0xe60
[  411.747201]  ? trace_hardirqs_off+0xb8/0x310
[  411.751612]  ? retint_kernel+0x2d/0x2d
[  411.755514]  do_page_fault+0xf2/0x7e0
[  411.759320]  ? vmalloc_sync_all+0x30/0x30
[  411.763488]  ? error_entry+0x70/0xd0
[  411.767208]  ? trace_hardirqs_off_caller+0xbb/0x310
[  411.772497]  ? trace_hardirqs_on_caller+0xc0/0x310
[  411.777429]  ? syscall_return_slowpath+0x5e0/0x5e0
[  411.782360]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  411.787213]  ? trace_hardirqs_on_caller+0x310/0x310
[  411.792235]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  411.797963]  ? prepare_exit_to_usermode+0x291/0x3b0
[  411.802984]  ? page_fault+0x8/0x30
[  411.806546]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  411.811399]  ? page_fault+0x8/0x30
[  411.814947]  page_fault+0x1e/0x30
[  411.818408] RIP: 0033:0x45d911
[  411.821611] Code: Bad RIP value.
[  411.824973] RSP: 002b:000000c420035f18 EFLAGS: 00010246
[  411.830338] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 000000000045d911
[  411.837605] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  411.844876] RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
[  411.852145] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  411.859415] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  411.866716] CPU: 0 PID: 11721 Comm: syz-executor5 Not tainted 4.19.0+ #74
[  411.866721] warn_alloc_show_mem: 1 callbacks suppressed
[  411.866737] Mem-Info:
[  411.873667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  411.879044] active_anon:50643 inactive_anon:847 isolated_anon:0
[  411.879044]  active_file:14 inactive_file:13 isolated_file:0
[  411.879044]  unevictable:0 dirty:0 writeback:0 unstable:0
[  411.879044]  slab_reclaimable:9230 slab_unreclaimable:1469886
[  411.879044]  mapped:49154 shmem:854 pagetables:629 bounce:0
[  411.879044]  free:13794 free_pcp:158 free_cma:0
[  411.881417] Call Trace:
[  411.890819] Node 0 active_anon:202572kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3416kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  411.924024]  <IRQ>
[  411.926607] 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
[  411.954307]  dump_stack+0x244/0x39d
[  411.956433] lowmem_reserve[]: 0 2818 6321 6321
[  411.982539]  ? dump_stack_print_info.cold.1+0x20/0x20
[  411.986141] Node 0 DMA32 free:25280kB min:30052kB low:37564kB high:45076kB active_anon:236kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  411.990727]  warn_alloc.cold.116+0xb7/0x1bd
[  411.995883] lowmem_reserve[]: 0 0 3503 3503
[  412.023397]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  412.027691] Node 0 Normal free:13988kB min:37364kB low:46704kB high:56044kB active_anon:202336kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:412kB local_pcp:252kB free_cma:0kB
[  412.032006]  ? lock_downgrade+0x900/0x900
[  412.036824] lowmem_reserve[]: 0 0 0 0
[  412.065805]  ? trace_hardirqs_off+0xb8/0x310
[  412.069931] 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
[  412.073728]  ? trace_hardirqs_off+0xb8/0x310
[  412.078120] Node 0 DMA32: 2*4kB (H) 3*8kB (UMH) 2*16kB (M) 2*32kB (MH) 5*64kB (MH) 4*128kB (M) 5*256kB (MH) 5*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 25280kB
[  412.091649]  __alloc_pages_slowpath+0x26e8/0x2e10
[  412.096029] Node 0 Normal: 737*4kB (UMEH) 442*8kB (UME) 213*16kB (UME) 70*32kB (UME) 7*64kB (UMH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13988kB
[  412.111484]  ? warn_alloc+0x120/0x120
[  412.116284] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  412.131627]  ? print_usage_bug+0xc0/0xc0
[  412.135409] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  412.144232]  ? warn_alloc+0x120/0x120
[  412.148273] 881 total pagecache pages
[  412.156842]  ? warn_alloc+0x120/0x120
[  412.160629] 0 pages in swap cache
[  412.164418]  ? print_usage_bug+0xc0/0xc0
[  412.168195] Swap cache stats: add 0, delete 0, find 0/0
[  412.171655]  ? kvm_clock_read+0x18/0x30
[  412.175699] Free swap  = 0kB
[  412.181058]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  412.185005] Total swap = 0kB
[  412.188020]  ? print_usage_bug+0xc0/0xc0
[  412.193010] 1965979 pages RAM
[  412.196040]  ? __lock_acquire+0x62f/0x4c20
[  412.200078] 0 pages HighMem/MovableOnly
[  412.203182]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.207382] 342858 pages reserved
[  412.207391] 0 pages cma reserved
[  412.211359]  ? should_fail+0x22d/0xd01
[  412.216935] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  412.220313]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  412.220331]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  412.223771] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  412.227561]  ? __lock_acquire+0x62f/0x4c20
[  412.234027] syz-fuzzer cpuset=/ mems_allowed=0
[  412.239315]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  412.268491]  ? __lock_acquire+0x62f/0x4c20
[  412.272722]  ? should_fail+0x22d/0xd01
[  412.276644]  ? rcu_irq_exit+0x1a2/0x390
[  412.280627]  ? mark_held_locks+0x130/0x130
[  412.284866]  ? mark_held_locks+0x130/0x130
[  412.289110]  ? mark_held_locks+0xc7/0x130
[  412.293261]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  412.298280]  ? zap_class+0x640/0x640
[  412.301995]  ? print_usage_bug+0xc0/0xc0
[  412.306065]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.311605]  ? check_preemption_disabled+0x48/0x280
[  412.316632]  ? __lock_is_held+0xb5/0x140
[  412.320702]  __alloc_pages_nodemask+0xa80/0xde0
[  412.325400]  ? zap_class+0x640/0x640
[  412.329125]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  412.334155]  ? find_held_lock+0x36/0x1c0
[  412.338228]  ? ____cache_alloc_node+0x1c7/0x1e0
[  412.342900]  ? lock_downgrade+0x900/0x900
[  412.347063]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.352606]  cache_grow_begin+0xa5/0x8c0
[  412.356668]  ? do_raw_spin_unlock+0xa7/0x330
[  412.361086]  fallback_alloc+0x204/0x2e0
[  412.365073]  ____cache_alloc_node+0x1c7/0x1e0
[  412.369590]  kmem_cache_alloc_node+0xe3/0x730
[  412.374082]  ? ipv6_get_ifaddr+0x42e/0x620
[  412.378327]  __alloc_skb+0x119/0x770
[  412.382058]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  412.387345]  ? netdev_alloc_frag+0x1f0/0x1f0
[  412.391779]  ? lock_downgrade+0x900/0x900
[  412.395935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.401571]  ? refcount_sub_and_test_checked+0x203/0x310
[  412.407042]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  412.412491]  ? addrconf_rs_timer+0x690/0x690
[  412.416914]  ndisc_alloc_skb+0x144/0x340
[  412.420986]  ndisc_send_rs+0x331/0x6e0
[  412.424880]  addrconf_rs_timer+0x314/0x690
[  412.429121]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.433371]  call_timer_fn+0x272/0x920
[  412.437261]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.441499]  ? process_timeout+0x40/0x40
[  412.445572]  ? __run_timers+0x7da/0xc70
[  412.449556]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.454072]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.458568]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.462806]  ? lockdep_hardirqs_on+0x296/0x5b0
[  412.467393]  ? trace_hardirqs_on+0xbd/0x310
[  412.471714]  ? kasan_check_read+0x11/0x20
[  412.475870]  ? __run_timers+0x7da/0xc70
[  412.479849]  ? trace_hardirqs_off_caller+0x310/0x310
[  412.484958]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.489206]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.493440]  __run_timers+0x7e5/0xc70
[  412.497255]  ? timer_fixup_init+0x70/0x70
[  412.501407]  ? kasan_check_read+0x11/0x20
[  412.505601]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  412.510891]  ? rcu_softirq_qs+0x20/0x20
[  412.514868]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.520406]  ? check_preemption_disabled+0x48/0x280
[  412.525447]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  412.530211]  ? retint_kernel+0x2d/0x2d
[  412.534103]  ? trace_hardirqs_on_caller+0xc0/0x310
[  412.539038]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  412.543798]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  412.549257]  ? zap_class+0x640/0x640
[  412.552983]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.558530]  ? check_preemption_disabled+0x48/0x280
[  412.563560]  ? __lock_is_held+0xb5/0x140
[  412.567667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.573238]  ? check_preemption_disabled+0x48/0x280
[  412.578263]  run_timer_softirq+0x52/0xb0
[  412.582329]  ? rcu_read_lock_sched_held+0x14f/0x180
[  412.587346]  __do_softirq+0x308/0xb7e
[  412.591165]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  412.595661]  ? lock_downgrade+0x900/0x900
[  412.599816]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  412.604930]  ? pvclock_read_flags+0x160/0x160
[  412.609431]  ? lapic_next_event+0x5a/0x90
[  412.613587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.619134]  ? kvm_clock_read+0x18/0x30
[  412.623112]  ? kvm_sched_clock_read+0x9/0x20
[  412.627527]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.633071]  ? check_preemption_disabled+0x48/0x280
[  412.638098]  irq_exit+0x17f/0x1c0
[  412.641557]  smp_apic_timer_interrupt+0x1cb/0x760
[  412.646402]  ? smp_reschedule_interrupt+0x109/0x650
[  412.651423]  ? smp_call_function_single_interrupt+0x650/0x650
[  412.657312]  ? interrupt_entry+0xb5/0xc0
[  412.661394]  ? trace_hardirqs_off_caller+0xbb/0x310
[  412.666428]  ? trace_hardirqs_off_caller+0xbb/0x310
[  412.671445]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  412.676289]  ? trace_hardirqs_on_caller+0x310/0x310
[  412.681310]  ? trace_hardirqs_on_caller+0x310/0x310
[  412.686324]  ? task_prio+0x50/0x50
[  412.689869]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.695408]  ? check_preemption_disabled+0x48/0x280
[  412.700433]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  412.705286]  apic_timer_interrupt+0xf/0x20
[  412.709534]  </IRQ>
[  412.711780] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  412.716711] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 14
[  412.735623] RSP: 0000:ffff8801bf14f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  412.743332] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  412.750600] RDX: 0000000000000000 RSI: ffff8801b68a4c40 RDI: 0000000000000286
[  412.757870] RBP: ffff8801bf14f7a0 R08: ffff8801b68a43c0 R09: 0000000000000000
[  412.765135] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  412.772868] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  412.780187]  skb_clone+0x1bb/0x500
[  412.783738]  ? finish_task_switch+0x2f4/0x910
[  412.788239]  ? skb_split+0x11e0/0x11e0
[  412.792131]  ? preempt_notifier_register+0x200/0x200
[  412.797236]  ? __switch_to_asm+0x34/0x70
[  412.801300]  ? __switch_to_asm+0x34/0x70
[  412.805359]  ? __switch_to_asm+0x40/0x70
[  412.809422]  ? __switch_to_asm+0x34/0x70
[  412.813482]  ? __switch_to_asm+0x40/0x70
[  412.817545]  ? __switch_to_asm+0x34/0x70
[  412.821604]  ? __switch_to_asm+0x40/0x70
[  412.825664]  ? __switch_to_asm+0x34/0x70
[  412.829727]  ? __switch_to_asm+0x34/0x70
[  412.833808]  ? __switch_to_asm+0x40/0x70
[  412.837868]  ? __switch_to_asm+0x34/0x70
[  412.841938]  bpf_clone_redirect+0xb9/0x490
[  412.846174]  ? __schedule+0x8d7/0x21d0
[  412.850070]  bpf_prog_bebbfe2050753572+0x6c2/0x1000
[  412.855087]  ? __sched_text_start+0x8/0x8
[  412.859238]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  412.864013]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  412.868596]  ? retint_kernel+0x2d/0x2d
[  412.872492]  ? find_held_lock+0x36/0x1c0
[  412.876580]  ? lock_acquire+0x1ed/0x520
[  412.880561]  ? bpf_test_run+0x3cb/0x780
[  412.884541]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.890082]  ? check_preemption_disabled+0x48/0x280
[  412.895126]  ? kasan_check_read+0x11/0x20
[  412.899280]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  412.904560]  ? rcu_softirq_qs+0x20/0x20
[  412.908552]  ? preempt_schedule+0x4d/0x60
[  412.912704]  ? ___preempt_schedule+0x16/0x18
[  412.917147]  ? bpf_test_run+0x25d/0x780
[  412.921135]  ? netlink_diag_dump+0x2a0/0x2a0
[  412.925553]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.931093]  ? bpf_test_init.isra.10+0x70/0x100
[  412.935775]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  412.940548]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  412.945389]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  412.950928]  ? fput+0x130/0x1a0
[  412.954226]  ? __bpf_prog_get+0x9b/0x290
[  412.958291]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  412.963132]  ? bpf_prog_test_run+0x130/0x1a0
[  412.967549]  ? __x64_sys_bpf+0x3d8/0x520
[  412.971628]  ? bpf_prog_get+0x20/0x20
[  412.975450]  ? do_syscall_64+0x1b9/0x820
[  412.979520]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  412.984886]  ? syscall_return_slowpath+0x5e0/0x5e0
[  412.989818]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  412.994669]  ? trace_hardirqs_on_caller+0x310/0x310
[  412.999705]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  413.004752]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.010295]  ? prepare_exit_to_usermode+0x291/0x3b0
[  413.015322]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.020179]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  413.025564] CPU: 1 PID: 5666 Comm: syz-fuzzer Not tainted 4.19.0+ #74
[  413.025634] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  413.032147] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  413.032152] Call Trace:
[  413.032159]  <IRQ>
[  413.032176]  dump_stack+0x244/0x39d
[  413.032194]  ? dump_stack_print_info.cold.1+0x20/0x20
[  413.038721] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  413.048029]  warn_alloc.cold.116+0xb7/0x1bd
[  413.050586] syz-executor5 cpuset=syz5 mems_allowed=0
[  413.052741]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  413.086225]  ? lock_downgrade+0x900/0x900
[  413.090387]  ? trace_hardirqs_off+0xb8/0x310
[  413.094805]  ? trace_hardirqs_off+0xb8/0x310
[  413.099224]  __alloc_pages_slowpath+0x26e8/0x2e10
[  413.104105]  ? warn_alloc+0x120/0x120
[  413.107913]  ? print_usage_bug+0xc0/0xc0
[  413.111975]  ? warn_alloc+0x120/0x120
[  413.115785]  ? warn_alloc+0x120/0x120
[  413.119589]  ? print_usage_bug+0xc0/0xc0
[  413.123649]  ? kvm_clock_read+0x18/0x30
[  413.127625]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  413.132646]  ? print_usage_bug+0xc0/0xc0
[  413.136708]  ? __lock_acquire+0x62f/0x4c20
[  413.140957]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.146496]  ? should_fail+0x22d/0xd01
[  413.150382]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  413.155682]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  413.160788]  ? __lock_acquire+0x62f/0x4c20
[  413.165036]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  413.170140]  ? __lock_acquire+0x62f/0x4c20
[  413.174374]  ? should_fail+0x22d/0xd01
[  413.178261]  ? rcu_irq_exit+0x1a2/0x390
[  413.182253]  ? mark_held_locks+0x130/0x130
[  413.186500]  ? mark_held_locks+0x130/0x130
[  413.190766]  ? mark_held_locks+0xc7/0x130
[  413.194919]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  413.199938]  ? zap_class+0x640/0x640
[  413.203654]  ? print_usage_bug+0xc0/0xc0
[  413.207723]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.213276]  ? check_preemption_disabled+0x48/0x280
[  413.218308]  ? __lock_is_held+0xb5/0x140
[  413.222381]  __alloc_pages_nodemask+0xa80/0xde0
[  413.227057]  ? zap_class+0x640/0x640
[  413.230780]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  413.235830]  ? find_held_lock+0x36/0x1c0
[  413.239923]  ? ____cache_alloc_node+0x1c7/0x1e0
[  413.244598]  ? lock_downgrade+0x900/0x900
[  413.248768]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.254332]  cache_grow_begin+0xa5/0x8c0
[  413.258395]  ? do_raw_spin_unlock+0xa7/0x330
[  413.262833]  fallback_alloc+0x204/0x2e0
[  413.266818]  ____cache_alloc_node+0x1c7/0x1e0
[  413.271326]  kmem_cache_alloc_node+0xe3/0x730
[  413.275825]  ? ipv6_get_ifaddr+0x42e/0x620
[  413.280074]  __alloc_skb+0x119/0x770
[  413.283794]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  413.289087]  ? netdev_alloc_frag+0x1f0/0x1f0
[  413.293502]  ? lock_downgrade+0x900/0x900
[  413.297662]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.303201]  ? refcount_sub_and_test_checked+0x203/0x310
[  413.308658]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  413.314112]  ? addrconf_rs_timer+0x690/0x690
[  413.318535]  ndisc_alloc_skb+0x144/0x340
[  413.322604]  ndisc_send_rs+0x331/0x6e0
[  413.326499]  addrconf_rs_timer+0x314/0x690
[  413.330766]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.335017]  call_timer_fn+0x272/0x920
[  413.338903]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.343140]  ? process_timeout+0x40/0x40
[  413.347216]  ? mark_held_locks+0xc7/0x130
[  413.351372]  ? _raw_spin_unlock_irq+0x27/0x80
[  413.355870]  ? _raw_spin_unlock_irq+0x27/0x80
[  413.360368]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.364607]  ? lockdep_hardirqs_on+0x296/0x5b0
[  413.369197]  ? trace_hardirqs_on+0xbd/0x310
[  413.373520]  ? kasan_check_read+0x11/0x20
[  413.377666]  ? __run_timers+0x7da/0xc70
[  413.381658]  ? trace_hardirqs_off_caller+0x310/0x310
[  413.386775]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.391019]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.395259]  __run_timers+0x7e5/0xc70
[  413.399076]  ? timer_fixup_init+0x70/0x70
[  413.403230]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  413.408260]  ? zap_class+0x640/0x640
[  413.411982]  ? print_usage_bug+0xc0/0xc0
[  413.416047]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  413.421252]  ? find_held_lock+0x36/0x1c0
[  413.425347]  ? zap_class+0x640/0x640
[  413.429067]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.434606]  ? check_preemption_disabled+0x48/0x280
[  413.439637]  ? __lock_is_held+0xb5/0x140
[  413.443700]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.449252]  ? check_preemption_disabled+0x48/0x280
[  413.454280]  run_timer_softirq+0x52/0xb0
[  413.458347]  ? rcu_read_lock_sched_held+0x14f/0x180
[  413.463366]  __do_softirq+0x308/0xb7e
[  413.467192]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  413.471704]  ? lock_downgrade+0x900/0x900
[  413.475867]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  413.480979]  ? pvclock_read_flags+0x160/0x160
[  413.485482]  ? lapic_next_event+0x5a/0x90
[  413.489637]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.495187]  ? kvm_clock_read+0x18/0x30
[  413.499166]  ? kvm_sched_clock_read+0x9/0x20
[  413.503579]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.509119]  ? check_preemption_disabled+0x48/0x280
[  413.514149]  irq_exit+0x17f/0x1c0
[  413.517608]  smp_apic_timer_interrupt+0x1cb/0x760
[  413.522455]  ? smp_reschedule_interrupt+0x109/0x650
[  413.527474]  ? smp_call_function_single_interrupt+0x650/0x650
[  413.533361]  ? interrupt_entry+0xb5/0xc0
[  413.537425]  ? trace_hardirqs_off_caller+0xbb/0x310
[  413.542440]  ? trace_hardirqs_off_caller+0xbb/0x310
[  413.547460]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.552306]  ? trace_hardirqs_on_caller+0x310/0x310
[  413.557321]  ? trace_hardirqs_on_caller+0x310/0x310
[  413.562350]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.567229]  apic_timer_interrupt+0xf/0x20
[  413.571462]  </IRQ>
[  413.573700] RIP: 0010:dump_stack+0x358/0x39d
[  413.578117] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 a1 9c fd f9 48 83 3d 29 00 8d 01 00 0f 84 63 fe ff ff e8 ee 69 ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db 69 ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  413.597017] RSP: 0000:ffff8801b9cce1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  413.604724] RAX: ffff8801d71b2040 RBX: 1ffffffff12a3f46 RCX: 1ffff1003ae36526
[  413.612002] RDX: 0000000000000000 RSI: ffffffff87c4fa12 RDI: 0000000000000293
[  413.619270] RBP: ffff8801b9cce290 R08: ffff8801d71b2930 R09: 0000000000000006
[  413.626551] R10: 0000000000000000 R11: ffff8801d71b2040 R12: 1ffff10037399c45
[  413.633821] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  413.641127]  ? dump_stack+0x34f/0x39d
[  413.644947]  ? dump_stack_print_info.cold.1+0x20/0x20
[  413.650147]  ? mark_held_locks+0x130/0x130
[  413.654385]  ? mark_held_locks+0x130/0x130
[  413.658629]  dump_header+0x27b/0xf72
[  413.662363]  ? pagefault_out_of_memory+0x197/0x197
[  413.667301]  ? __lock_acquire+0x62f/0x4c20
[  413.671540]  ? percpu_ref_get_many+0x240/0x240
[  413.676129]  ? print_usage_bug+0xc0/0xc0
[  413.680196]  ? zap_class+0x640/0x640
[  413.683915]  ? print_usage_bug+0xc0/0xc0
[  413.687976]  ? print_usage_bug+0xc0/0xc0
[  413.692041]  ? zap_class+0x640/0x640
[  413.695765]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.701311]  ? find_held_lock+0x36/0x1c0
[  413.705384]  ? mark_held_locks+0xc7/0x130
[  413.709540]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  413.714645]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  413.719758]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  413.724347]  ? trace_hardirqs_on+0xbd/0x310
[  413.728673]  ? kasan_check_read+0x11/0x20
[  413.732825]  ? ___ratelimit+0x3b4/0x672
[  413.736809]  ? trace_hardirqs_off_caller+0x310/0x310
[  413.741917]  ? trace_hardirqs_on+0x310/0x310
[  413.746327]  ? lock_downgrade+0x900/0x900
[  413.750486]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  413.755592]  ? ___ratelimit+0x3b9/0x672
[  413.759610]  ? idr_get_free+0xf80/0xf80
[  413.763586]  ? find_held_lock+0x36/0x1c0
[  413.767658]  oom_kill_process.cold.27+0x10/0x903
[  413.772629]  ? zap_class+0x640/0x640
[  413.776376]  ? check_preemption_disabled+0x48/0x280
[  413.781400]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  413.786335]  ? kasan_check_read+0x11/0x20
[  413.790482]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  413.795769]  ? oom_evaluate_task+0x540/0x540
[  413.800186]  ? find_held_lock+0x36/0x1c0
[  413.804261]  ? out_of_memory+0x974/0x1430
[  413.808411]  ? lock_downgrade+0x900/0x900
[  413.812567]  ? check_preemption_disabled+0x48/0x280
[  413.817588]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  413.822520]  ? kasan_check_read+0x11/0x20
[  413.826670]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  413.831952]  ? rcu_softirq_qs+0x20/0x20
[  413.835932]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.841470]  ? oom_evaluate_task+0x302/0x540
[  413.845888]  out_of_memory+0xa84/0x1430
[  413.849877]  ? oom_killer_disable+0x3a0/0x3a0
[  413.854380]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  413.859315]  ? __ww_mutex_check_waiters+0x160/0x160
[  413.864351]  __alloc_pages_slowpath+0x2354/0x2e10
[  413.869225]  ? warn_alloc+0x120/0x120
[  413.873033]  ? mark_held_locks+0x130/0x130
[  413.877277]  ? find_get_entry+0xaae/0x1120
[  413.881524]  ? filemap_map_pages+0x1a20/0x1a20
[  413.886112]  ? zap_class+0x640/0x640
[  413.889839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.895377]  ? check_preemption_disabled+0x48/0x280
[  413.900400]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.906398]  ? should_fail+0x22d/0xd01
[  413.910294]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  413.915399]  ? zap_class+0x640/0x640
[  413.919143]  ? __lock_is_held+0xb5/0x140
[  413.923220]  ? mark_held_locks+0x130/0x130
[  413.927465]  ? lock_release+0xa00/0xa00
[  413.931442]  ? perf_trace_sched_process_exec+0x860/0x860
[  413.936896]  ? xa_load+0x2ba/0x460
[  413.940444]  ? lock_downgrade+0x900/0x900
[  413.944598]  ? __might_sleep+0x95/0x190
[  413.948580]  __alloc_pages_nodemask+0xa80/0xde0
[  413.953268]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  413.958289]  ? __page_cache_alloc+0x191/0x5c0
[  413.962788]  ? xa_load+0x2e1/0x460
[  413.966330]  ? xa_clear_mark+0x40/0x40
[  413.970223]  ? zap_class+0x640/0x640
[  413.973950]  ? zap_class+0x640/0x640
[  413.977665]  ? zap_class+0x640/0x640
[  413.981379]  ? __do_page_cache_readahead+0x663/0x810
[  413.986488]  ? find_held_lock+0x36/0x1c0
[  413.990556]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  413.996099]  alloc_pages_current+0x173/0x350
[  414.000520]  __page_cache_alloc+0x38c/0x5c0
[  414.004852]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  414.009781]  ? kasan_check_read+0x11/0x20
[  414.013938]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  414.019222]  ? generic_perform_write+0x6a0/0x6a0
[  414.023984]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.029529]  ? check_preemption_disabled+0x48/0x280
[  414.034559]  filemap_fault+0x1595/0x25f0
[  414.038634]  ? __lock_page_or_retry+0xa00/0xa00
[  414.043307]  ? mark_held_locks+0x130/0x130
[  414.047565]  ? filemap_map_pages+0xd6b/0x1a20
[  414.052066]  ? lock_downgrade+0x900/0x900
[  414.056218]  ? check_preemption_disabled+0x48/0x280
[  414.061248]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  414.066181]  ? kasan_check_read+0x11/0x20
[  414.070330]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  414.075610]  ? rcu_softirq_qs+0x20/0x20
[  414.079599]  ? filemap_map_pages+0xd92/0x1a20
[  414.084098]  ? __lock_acquire+0x62f/0x4c20
[  414.088342]  ? find_get_entries_tag+0x1400/0x1400
[  414.093207]  ? lock_acquire+0x1ed/0x520
[  414.097182]  ? ext4_filemap_fault+0x7a/0xad
[  414.101511]  ? lock_release+0xa00/0xa00
[  414.105484]  ? perf_trace_sched_process_exec+0x860/0x860
[  414.110936]  ? print_usage_bug+0xc0/0xc0
[  414.114999]  ? print_usage_bug+0xc0/0xc0
[  414.119073]  ? down_read+0x8d/0x120
[  414.122700]  ? ext4_filemap_fault+0x7a/0xad
[  414.127033]  ? __down_interruptible+0x700/0x700
[  414.131714]  ext4_filemap_fault+0x82/0xad
[  414.135874]  __do_fault+0x100/0x6b0
[  414.139507]  ? pmd_devmap_trans_unstable+0x220/0x220
[  414.144615]  ? mark_held_locks+0x130/0x130
[  414.148858]  ? mark_held_locks+0x130/0x130
[  414.153098]  ? __might_fault+0x12b/0x1e0
[  414.157167]  ? lock_downgrade+0x900/0x900
[  414.161323]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.166871]  __handle_mm_fault+0x3ea6/0x5be0
[  414.171291]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  414.176143]  ? kasan_check_read+0x11/0x20
[  414.180291]  ? _copy_to_user+0xc8/0x110
[  414.184278]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.189832]  ? zap_class+0x640/0x640
[  414.193546]  ? zap_class+0x640/0x640
[  414.197272]  ? find_held_lock+0x36/0x1c0
[  414.201347]  ? handle_mm_fault+0x42a/0xc70
[  414.205584]  ? lock_downgrade+0x900/0x900
[  414.209740]  ? check_preemption_disabled+0x48/0x280
[  414.214769]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  414.219700]  ? kasan_check_read+0x11/0x20
[  414.223859]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  414.229142]  ? rcu_softirq_qs+0x20/0x20
[  414.233120]  ? trace_hardirqs_off_caller+0x310/0x310
[  414.238228]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.243775]  ? check_preemption_disabled+0x48/0x280
[  414.248804]  handle_mm_fault+0x54f/0xc70
[  414.252874]  ? __handle_mm_fault+0x5be0/0x5be0
[  414.257464]  ? find_vma+0x34/0x190
[  414.261014]  __do_page_fault+0x5e8/0xe60
[  414.265090]  ? trace_hardirqs_off+0xb8/0x310
[  414.269503]  ? retint_kernel+0x2d/0x2d
[  414.273401]  do_page_fault+0xf2/0x7e0
[  414.277208]  ? vmalloc_sync_all+0x30/0x30
[  414.281360]  ? error_entry+0x70/0xd0
[  414.285096]  ? trace_hardirqs_off_caller+0xbb/0x310
[  414.290116]  ? trace_hardirqs_on_caller+0xc0/0x310
[  414.295047]  ? syscall_return_slowpath+0x5e0/0x5e0
[  414.299977]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  414.304824]  ? trace_hardirqs_on_caller+0x310/0x310
[  414.309842]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  414.315300]  ? prepare_exit_to_usermode+0x291/0x3b0
[  414.320344]  ? page_fault+0x8/0x30
[  414.323892]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  414.328750]  ? page_fault+0x8/0x30
[  414.332303]  page_fault+0x1e/0x30
[  414.335761] RIP: 0033:0x45d911
[  414.338970] Code: Bad RIP value.
[  414.342334] RSP: 002b:000000c420035f18 EFLAGS: 00010246
[  414.347695] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 000000000045d911
[  414.354964] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  414.362230] RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
[  414.369503] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  414.376769] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  414.384061] warn_alloc_show_mem: 1 callbacks suppressed
[  414.384073] CPU: 0 PID: 11721 Comm: syz-executor5 Not tainted 4.19.0+ #74
[  414.384075] Mem-Info:
[  414.384106] active_anon:50643 inactive_anon:847 isolated_anon:0
[  414.384106]  active_file:14 inactive_file:13 isolated_file:0
[  414.384106]  unevictable:0 dirty:0 writeback:0 unstable:0
[  414.384106]  slab_reclaimable:9230 slab_unreclaimable:1469886
[  414.384106]  mapped:49154 shmem:854 pagetables:629 bounce:0
[  414.384106]  free:13794 free_pcp:158 free_cma:0
[  414.389445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  414.389453] Call Trace:
[  414.396395] Node 0 active_anon:202572kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3416kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  414.398798]  <IRQ>
[  414.431673] 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
[  414.441038]  dump_stack+0x244/0x39d
[  414.443595] lowmem_reserve[]: 0 2818 6321 6321
[  414.471286]  ? dump_stack_print_info.cold.1+0x20/0x20
[  414.473409] Node 0 DMA32 free:25280kB min:30052kB low:37564kB high:45076kB active_anon:236kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  414.499533]  warn_alloc.cold.116+0xb7/0x1bd
[  414.503128] lowmem_reserve[]: 0 0 3503 3503
[  414.507706]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  414.512870] Node 0 Normal free:13988kB min:37364kB low:46704kB high:56044kB active_anon:202336kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:412kB local_pcp:252kB free_cma:0kB
[  414.540368]  ? lock_downgrade+0x900/0x900
[  414.544661] lowmem_reserve[]: 0 0 0 0
[  414.548983]  ? trace_hardirqs_off+0xb8/0x310
[  414.553799] 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
[  414.582798]  ? trace_hardirqs_off+0xb8/0x310
[  414.586926] Node 0 DMA32: 2*4kB (H) 3*8kB (UMH) 2*16kB (M) 2*32kB (MH) 5*64kB (MH) 4*128kB (M) 5*256kB (MH) 5*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 25280kB
[  414.590741]  __alloc_pages_slowpath+0x26e8/0x2e10
[  414.595116] Node 0 Normal: 737*4kB (UMEH) 442*8kB (UME) 213*16kB (UME) 70*32kB (UME) 7*64kB (UMH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13988kB
[  414.608677]  ? warn_alloc+0x120/0x120
[  414.613044] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  414.628481]  ? print_usage_bug+0xc0/0xc0
[  414.633304] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  414.648643]  ? warn_alloc+0x120/0x120
[  414.652425] 881 total pagecache pages
[  414.661254]  ? warn_alloc+0x120/0x120
[  414.665304] 0 pages in swap cache
[  414.673871]  ? print_usage_bug+0xc0/0xc0
[  414.677649] Swap cache stats: add 0, delete 0, find 0/0
[  414.681440]  ? print_usage_bug+0xc0/0xc0
[  414.685219] Free swap  = 0kB
[  414.688665]  ? __lock_acquire+0x62f/0x4c20
[  414.692702] Total swap = 0kB
[  414.698078]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.702111] 1965979 pages RAM
[  414.705128]  ? should_fail+0x22d/0xd01
[  414.709335] 0 pages HighMem/MovableOnly
[  414.712350]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  414.717862] 342858 pages reserved
[  414.720959]  ? __lock_acquire+0x62f/0x4c20
[  414.724825] 0 pages cma reserved
[  414.728793]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  414.733931] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  414.737313]  ? __lock_acquire+0x62f/0x4c20
[  414.737328]  ? should_fail+0x22d/0xd01
[  414.741598] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  414.744898]  ? find_held_lock+0x36/0x1c0
[  414.749975] syz-fuzzer cpuset=/ mems_allowed=0
[  414.756466]  ? mark_held_locks+0x130/0x130
[  414.788154]  ? mark_held_locks+0x130/0x130
[  414.792390]  ? zap_class+0x640/0x640
[  414.796109]  ? zap_class+0x640/0x640
[  414.799832]  ? print_usage_bug+0xc0/0xc0
[  414.803895]  ? do_raw_spin_unlock+0xa7/0x330
[  414.808306]  ? zap_class+0x640/0x640
[  414.812024]  ? print_usage_bug+0xc0/0xc0
[  414.816086]  ? wq_watchdog_touch+0x9c/0xfe
[  414.820326]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.825865]  ? check_preemption_disabled+0x48/0x280
[  414.830913]  ? __lock_is_held+0xb5/0x140
[  414.834984]  __alloc_pages_nodemask+0xa80/0xde0
[  414.839654]  ? zap_class+0x640/0x640
[  414.843379]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  414.848409]  ? find_held_lock+0x36/0x1c0
[  414.852483]  ? ____cache_alloc_node+0x1c7/0x1e0
[  414.857146]  ? lock_downgrade+0x900/0x900
[  414.861295]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.866840]  cache_grow_begin+0xa5/0x8c0
[  414.870903]  ? do_raw_spin_unlock+0xa7/0x330
[  414.875320]  fallback_alloc+0x204/0x2e0
[  414.879305]  ____cache_alloc_node+0x1c7/0x1e0
[  414.883826]  kmem_cache_alloc_node+0xe3/0x730
[  414.888323]  ? ipv6_get_ifaddr+0x42e/0x620
[  414.892567]  __alloc_skb+0x119/0x770
[  414.896282]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  414.901569]  ? netdev_alloc_frag+0x1f0/0x1f0
[  414.905977]  ? lock_downgrade+0x900/0x900
[  414.910134]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.915673]  ? refcount_sub_and_test_checked+0x203/0x310
[  414.921126]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  414.926596]  ? addrconf_rs_timer+0x690/0x690
[  414.931017]  ndisc_alloc_skb+0x144/0x340
[  414.935083]  ndisc_send_rs+0x331/0x6e0
[  414.938974]  addrconf_rs_timer+0x314/0x690
[  414.943218]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  414.947463]  call_timer_fn+0x272/0x920
[  414.951350]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  414.955585]  ? process_timeout+0x40/0x40
[  414.959657]  ? __run_timers+0x7da/0xc70
[  414.963635]  ? _raw_spin_unlock_irq+0x27/0x80
[  414.968131]  ? _raw_spin_unlock_irq+0x27/0x80
[  414.972625]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  414.976863]  ? lockdep_hardirqs_on+0x296/0x5b0
[  414.981449]  ? trace_hardirqs_on+0xbd/0x310
[  414.985776]  ? kasan_check_read+0x11/0x20
[  414.989922]  ? __run_timers+0x7da/0xc70
[  414.993900]  ? trace_hardirqs_off_caller+0x310/0x310
[  414.999006]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.003246]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.007482]  __run_timers+0x7e5/0xc70
[  415.011294]  ? timer_fixup_init+0x70/0x70
[  415.015474]  ? kasan_check_read+0x11/0x20
[  415.019642]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  415.024924]  ? rcu_softirq_qs+0x20/0x20
[  415.028904]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.034443]  ? check_preemption_disabled+0x48/0x280
[  415.039465]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  415.044230]  ? retint_kernel+0x2d/0x2d
[  415.048120]  ? trace_hardirqs_on_caller+0xc0/0x310
[  415.053050]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  415.057807]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  415.063277]  ? zap_class+0x640/0x640
[  415.067016]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.072556]  ? check_preemption_disabled+0x48/0x280
[  415.077594]  ? __lock_is_held+0xb5/0x140
[  415.081670]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.087209]  ? check_preemption_disabled+0x48/0x280
[  415.092236]  run_timer_softirq+0x52/0xb0
[  415.096301]  ? rcu_read_lock_sched_held+0x14f/0x180
[  415.101316]  __do_softirq+0x308/0xb7e
[  415.105120]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  415.109615]  ? lock_downgrade+0x900/0x900
[  415.113777]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  415.118889]  ? pvclock_read_flags+0x160/0x160
[  415.123389]  ? lapic_next_event+0x5a/0x90
[  415.127539]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.133083]  ? kvm_clock_read+0x18/0x30
[  415.137059]  ? kvm_sched_clock_read+0x9/0x20
[  415.141475]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.147013]  ? check_preemption_disabled+0x48/0x280
[  415.152061]  irq_exit+0x17f/0x1c0
[  415.155521]  smp_apic_timer_interrupt+0x1cb/0x760
[  415.160365]  ? smp_reschedule_interrupt+0x109/0x650
[  415.165385]  ? smp_call_function_single_interrupt+0x650/0x650
[  415.171305]  ? interrupt_entry+0xb5/0xc0
[  415.175369]  ? trace_hardirqs_off_caller+0xbb/0x310
[  415.180384]  ? trace_hardirqs_off_caller+0xbb/0x310
[  415.185401]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.190245]  ? trace_hardirqs_on_caller+0x310/0x310
[  415.195260]  ? trace_hardirqs_on_caller+0x310/0x310
[  415.200276]  ? task_prio+0x50/0x50
[  415.203822]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.209361]  ? check_preemption_disabled+0x48/0x280
[  415.214386]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.219242]  apic_timer_interrupt+0xf/0x20
[  415.223473]  </IRQ>
[  415.225714] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  415.230655] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 14
[  415.249555] RSP: 0000:ffff8801bf14f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  415.257260] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  415.264537] RDX: 0000000000000000 RSI: ffff8801b68a4c40 RDI: 0000000000000286
[  415.271811] RBP: ffff8801bf14f7a0 R08: ffff8801b68a43c0 R09: 0000000000000000
[  415.279082] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  415.286351] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  415.293669]  skb_clone+0x1bb/0x500
[  415.297214]  ? finish_task_switch+0x2f4/0x910
[  415.301716]  ? skb_split+0x11e0/0x11e0
[  415.305621]  ? preempt_notifier_register+0x200/0x200
[  415.310727]  ? __switch_to_asm+0x34/0x70
[  415.314807]  ? __switch_to_asm+0x34/0x70
[  415.318868]  ? __switch_to_asm+0x40/0x70
[  415.322931]  ? __switch_to_asm+0x34/0x70
[  415.326990]  ? __switch_to_asm+0x40/0x70
[  415.331049]  ? __switch_to_asm+0x34/0x70
[  415.335127]  ? __switch_to_asm+0x40/0x70
[  415.339190]  ? __switch_to_asm+0x34/0x70
[  415.343256]  ? __switch_to_asm+0x34/0x70
[  415.347321]  ? __switch_to_asm+0x40/0x70
[  415.351381]  ? __switch_to_asm+0x34/0x70
[  415.355467]  bpf_clone_redirect+0xb9/0x490
[  415.359704]  ? __schedule+0x8d7/0x21d0
[  415.363615]  bpf_prog_bebbfe2050753572+0x6c2/0x1000
[  415.368636]  ? __sched_text_start+0x8/0x8
[  415.372794]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  415.377555]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  415.382155]  ? retint_kernel+0x2d/0x2d
[  415.386050]  ? find_held_lock+0x36/0x1c0
[  415.390122]  ? lock_acquire+0x1ed/0x520
[  415.394094]  ? bpf_test_run+0x3cb/0x780
[  415.398070]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.403611]  ? check_preemption_disabled+0x48/0x280
[  415.408633]  ? kasan_check_read+0x11/0x20
[  415.412785]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  415.418065]  ? rcu_softirq_qs+0x20/0x20
[  415.422044]  ? preempt_schedule+0x4d/0x60
[  415.426192]  ? ___preempt_schedule+0x16/0x18
[  415.430608]  ? bpf_test_run+0x25d/0x780
[  415.434602]  ? netlink_diag_dump+0x2a0/0x2a0
[  415.439015]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.444562]  ? bpf_test_init.isra.10+0x70/0x100
[  415.449242]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  415.454007]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  415.458848]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  415.464390]  ? fput+0x130/0x1a0
[  415.467674]  ? __bpf_prog_get+0x9b/0x290
[  415.471752]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  415.476596]  ? bpf_prog_test_run+0x130/0x1a0
[  415.481007]  ? __x64_sys_bpf+0x3d8/0x520
[  415.485070]  ? bpf_prog_get+0x20/0x20
[  415.488896]  ? do_syscall_64+0x1b9/0x820
[  415.492959]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  415.498342]  ? syscall_return_slowpath+0x5e0/0x5e0
[  415.503272]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.508120]  ? trace_hardirqs_on_caller+0x310/0x310
[  415.513137]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  415.518158]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.523702]  ? prepare_exit_to_usermode+0x291/0x3b0
[  415.528770]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.533628]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  415.539012] CPU: 1 PID: 5666 Comm: syz-fuzzer Not tainted 4.19.0+ #74
[  415.539101] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  415.545590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  415.545595] Call Trace:
[  415.545602]  <IRQ>
[  415.545618]  dump_stack+0x244/0x39d
[  415.545638]  ? dump_stack_print_info.cold.1+0x20/0x20
[  415.552200] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  415.561480]  warn_alloc.cold.116+0xb7/0x1bd
[  415.564031] syz-executor5 cpuset=syz5 mems_allowed=0
[  415.566178]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  415.599658]  ? lock_downgrade+0x900/0x900
[  415.603818]  ? trace_hardirqs_off+0xb8/0x310
[  415.608261]  ? trace_hardirqs_off+0xb8/0x310
[  415.612685]  __alloc_pages_slowpath+0x26e8/0x2e10
[  415.617562]  ? warn_alloc+0x120/0x120
[  415.621366]  ? print_usage_bug+0xc0/0xc0
[  415.625431]  ? warn_alloc+0x120/0x120
[  415.629237]  ? warn_alloc+0x120/0x120
[  415.633066]  ? print_usage_bug+0xc0/0xc0
[  415.637135]  ? print_usage_bug+0xc0/0xc0
[  415.641197]  ? __lock_acquire+0x62f/0x4c20
[  415.645439]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.650981]  ? should_fail+0x22d/0xd01
[  415.654876]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  415.659984]  ? __lock_acquire+0x62f/0x4c20
[  415.664225]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  415.669332]  ? __lock_acquire+0x62f/0x4c20
[  415.673565]  ? should_fail+0x22d/0xd01
[  415.677457]  ? find_held_lock+0x36/0x1c0
[  415.681529]  ? mark_held_locks+0x130/0x130
[  415.685778]  ? mark_held_locks+0x130/0x130
[  415.690011]  ? zap_class+0x640/0x640
[  415.693764]  ? zap_class+0x640/0x640
[  415.697486]  ? print_usage_bug+0xc0/0xc0
[  415.701549]  ? do_raw_spin_unlock+0xa7/0x330
[  415.705960]  ? zap_class+0x640/0x640
[  415.709675]  ? print_usage_bug+0xc0/0xc0
[  415.713748]  ? wq_watchdog_touch+0x9c/0xfe
[  415.717987]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.723532]  ? check_preemption_disabled+0x48/0x280
[  415.728560]  ? __lock_is_held+0xb5/0x140
[  415.732630]  __alloc_pages_nodemask+0xa80/0xde0
[  415.737302]  ? zap_class+0x640/0x640
[  415.741025]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  415.746054]  ? find_held_lock+0x36/0x1c0
[  415.750126]  ? ____cache_alloc_node+0x1c7/0x1e0
[  415.754802]  ? lock_downgrade+0x900/0x900
[  415.758962]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.764506]  cache_grow_begin+0xa5/0x8c0
[  415.768573]  ? do_raw_spin_unlock+0xa7/0x330
[  415.773336]  fallback_alloc+0x204/0x2e0
[  415.777336]  ____cache_alloc_node+0x1c7/0x1e0
[  415.781835]  kmem_cache_alloc_node+0xe3/0x730
[  415.786335]  ? ipv6_get_ifaddr+0x42e/0x620
[  415.790582]  __alloc_skb+0x119/0x770
[  415.794294]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  415.799580]  ? netdev_alloc_frag+0x1f0/0x1f0
[  415.803992]  ? lock_downgrade+0x900/0x900
[  415.808183]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.813722]  ? refcount_sub_and_test_checked+0x203/0x310
[  415.819189]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  415.824643]  ? addrconf_rs_timer+0x690/0x690
[  415.829067]  ndisc_alloc_skb+0x144/0x340
[  415.833134]  ndisc_send_rs+0x331/0x6e0
[  415.837029]  addrconf_rs_timer+0x314/0x690
[  415.841273]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.845523]  call_timer_fn+0x272/0x920
[  415.849414]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.853649]  ? process_timeout+0x40/0x40
[  415.857716]  ? mark_held_locks+0xc7/0x130
[  415.861873]  ? _raw_spin_unlock_irq+0x27/0x80
[  415.866374]  ? _raw_spin_unlock_irq+0x27/0x80
[  415.870875]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.875115]  ? lockdep_hardirqs_on+0x296/0x5b0
[  415.879703]  ? trace_hardirqs_on+0xbd/0x310
[  415.884035]  ? kasan_check_read+0x11/0x20
[  415.888185]  ? __run_timers+0x7da/0xc70
[  415.892167]  ? trace_hardirqs_off_caller+0x310/0x310
[  415.897278]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.901522]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.906224]  __run_timers+0x7e5/0xc70
[  415.910045]  ? timer_fixup_init+0x70/0x70
[  415.914196]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  415.919217]  ? zap_class+0x640/0x640
[  415.922942]  ? print_usage_bug+0xc0/0xc0
[  415.927011]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  415.932209]  ? find_held_lock+0x36/0x1c0
[  415.936282]  ? zap_class+0x640/0x640
[  415.940005]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.945544]  ? check_preemption_disabled+0x48/0x280
[  415.950617]  ? __lock_is_held+0xb5/0x140
[  415.954681]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.960226]  ? check_preemption_disabled+0x48/0x280
[  415.965263]  run_timer_softirq+0x52/0xb0
[  415.969328]  ? rcu_read_lock_sched_held+0x14f/0x180
[  415.974349]  __do_softirq+0x308/0xb7e
[  415.978153]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  415.982649]  ? lock_downgrade+0x900/0x900
[  415.986807]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  415.991921]  ? pvclock_read_flags+0x160/0x160
[  415.996421]  ? lapic_next_event+0x5a/0x90
[  416.000575]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.006119]  ? kvm_clock_read+0x18/0x30
[  416.010095]  ? kvm_sched_clock_read+0x9/0x20
[  416.014509]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.020050]  ? check_preemption_disabled+0x48/0x280
[  416.025086]  irq_exit+0x17f/0x1c0
[  416.028549]  smp_apic_timer_interrupt+0x1cb/0x760
[  416.033397]  ? smp_reschedule_interrupt+0x109/0x650
[  416.038423]  ? smp_call_function_single_interrupt+0x650/0x650
[  416.044333]  ? interrupt_entry+0xb5/0xc0
[  416.048405]  ? trace_hardirqs_off_caller+0xbb/0x310
[  416.053423]  ? trace_hardirqs_off_caller+0xbb/0x310
[  416.058447]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  416.063294]  ? trace_hardirqs_on_caller+0x310/0x310
[  416.068314]  ? trace_hardirqs_on_caller+0x310/0x310
[  416.073350]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  416.078210]  apic_timer_interrupt+0xf/0x20
[  416.082444]  </IRQ>
[  416.084681] RIP: 0010:dump_stack+0x358/0x39d
[  416.089091] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 a1 9c fd f9 48 83 3d 29 00 8d 01 00 0f 84 63 fe ff ff e8 ee 69 ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db 69 ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  416.107992] RSP: 0000:ffff8801b9cce1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  416.115703] RAX: ffff8801d71b2040 RBX: 1ffffffff12a3f46 RCX: 1ffff1003ae36526
[  416.122977] RDX: 0000000000000000 RSI: ffffffff87c4fa12 RDI: 0000000000000293
[  416.130250] RBP: ffff8801b9cce290 R08: ffff8801d71b2930 R09: 0000000000000006
[  416.137519] R10: 0000000000000000 R11: ffff8801d71b2040 R12: 1ffff10037399c45
[  416.144790] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  416.152090]  ? dump_stack+0x34f/0x39d
[  416.155910]  ? dump_stack_print_info.cold.1+0x20/0x20
[  416.161111]  ? mark_held_locks+0x130/0x130
[  416.165351]  ? mark_held_locks+0x130/0x130
[  416.169596]  dump_header+0x27b/0xf72
[  416.173331]  ? pagefault_out_of_memory+0x197/0x197
[  416.178277]  ? __lock_acquire+0x62f/0x4c20
[  416.182519]  ? percpu_ref_get_many+0x240/0x240
[  416.187115]  ? print_usage_bug+0xc0/0xc0
[  416.191185]  ? zap_class+0x640/0x640
[  416.194906]  ? print_usage_bug+0xc0/0xc0
[  416.198969]  ? print_usage_bug+0xc0/0xc0
[  416.203037]  ? zap_class+0x640/0x640
[  416.206764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.212312]  ? find_held_lock+0x36/0x1c0
[  416.216388]  ? mark_held_locks+0xc7/0x130
[  416.220544]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  416.225662]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  416.230772]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  416.235359]  ? trace_hardirqs_on+0xbd/0x310
[  416.239686]  ? kasan_check_read+0x11/0x20
[  416.243839]  ? ___ratelimit+0x3b4/0x672
[  416.247820]  ? trace_hardirqs_off_caller+0x310/0x310
[  416.252926]  ? trace_hardirqs_on+0x310/0x310
[  416.257340]  ? lock_downgrade+0x900/0x900
[  416.261498]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  416.266606]  ? ___ratelimit+0x3b9/0x672
[  416.270586]  ? idr_get_free+0xf80/0xf80
[  416.274566]  ? find_held_lock+0x36/0x1c0
[  416.278643]  oom_kill_process.cold.27+0x10/0x903
[  416.283402]  ? zap_class+0x640/0x640
[  416.287116]  ? check_preemption_disabled+0x48/0x280
[  416.292139]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  416.297071]  ? kasan_check_read+0x11/0x20
[  416.301225]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  416.306513]  ? oom_evaluate_task+0x540/0x540
[  416.310929]  ? find_held_lock+0x36/0x1c0
[  416.315005]  ? out_of_memory+0x974/0x1430
[  416.319164]  ? lock_downgrade+0x900/0x900
[  416.323320]  ? check_preemption_disabled+0x48/0x280
[  416.328343]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  416.333278]  ? kasan_check_read+0x11/0x20
[  416.337428]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  416.342709]  ? rcu_softirq_qs+0x20/0x20
[  416.346698]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.352241]  ? oom_evaluate_task+0x302/0x540
[  416.356661]  out_of_memory+0xa84/0x1430
[  416.360650]  ? oom_killer_disable+0x3a0/0x3a0
[  416.365153]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  416.370103]  ? __ww_mutex_check_waiters+0x160/0x160
[  416.375140]  __alloc_pages_slowpath+0x2354/0x2e10
[  416.380016]  ? warn_alloc+0x120/0x120
[  416.383823]  ? mark_held_locks+0x130/0x130
[  416.388068]  ? find_get_entry+0xaae/0x1120
[  416.392316]  ? filemap_map_pages+0x1a20/0x1a20
[  416.396910]  ? zap_class+0x640/0x640
[  416.400634]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.406174]  ? check_preemption_disabled+0x48/0x280
[  416.411195]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.416742]  ? should_fail+0x22d/0xd01
[  416.420638]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  416.425759]  ? zap_class+0x640/0x640
[  416.429507]  ? __lock_is_held+0xb5/0x140
[  416.433584]  ? mark_held_locks+0x130/0x130
[  416.437828]  ? lock_release+0xa00/0xa00
[  416.441810]  ? perf_trace_sched_process_exec+0x860/0x860
[  416.447277]  ? xa_load+0x2ba/0x460
[  416.450830]  ? lock_downgrade+0x900/0x900
[  416.454987]  ? __might_sleep+0x95/0x190
[  416.458973]  __alloc_pages_nodemask+0xa80/0xde0
[  416.463654]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  416.468676]  ? __page_cache_alloc+0x191/0x5c0
[  416.473173]  ? xa_load+0x2e1/0x460
[  416.476720]  ? xa_clear_mark+0x40/0x40
[  416.480618]  ? zap_class+0x640/0x640
[  416.484346]  ? zap_class+0x640/0x640
[  416.488060]  ? zap_class+0x640/0x640
[  416.491782]  ? __do_page_cache_readahead+0x663/0x810
[  416.496898]  ? find_held_lock+0x36/0x1c0
[  416.500969]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  416.506515]  alloc_pages_current+0x173/0x350
[  416.510940]  __page_cache_alloc+0x38c/0x5c0
[  416.515267]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  416.520198]  ? kasan_check_read+0x11/0x20
[  416.524348]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  416.529631]  ? generic_perform_write+0x6a0/0x6a0
[  416.534397]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.539944]  ? check_preemption_disabled+0x48/0x280
[  416.544980]  filemap_fault+0x1595/0x25f0
[  416.549058]  ? __lock_page_or_retry+0xa00/0xa00
[  416.553742]  ? mark_held_locks+0x130/0x130
[  416.557992]  ? filemap_map_pages+0xd6b/0x1a20
[  416.562497]  ? lock_downgrade+0x900/0x900
[  416.566648]  ? check_preemption_disabled+0x48/0x280
[  416.571669]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  416.576598]  ? kasan_check_read+0x11/0x20
[  416.580755]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  416.586035]  ? rcu_softirq_qs+0x20/0x20
[  416.590026]  ? filemap_map_pages+0xd92/0x1a20
[  416.594529]  ? __lock_acquire+0x62f/0x4c20
[  416.598780]  ? find_get_entries_tag+0x1400/0x1400
[  416.603645]  ? lock_acquire+0x1ed/0x520
[  416.607622]  ? ext4_filemap_fault+0x7a/0xad
[  416.611952]  ? lock_release+0xa00/0xa00
[  416.615928]  ? perf_trace_sched_process_exec+0x860/0x860
[  416.621382]  ? print_usage_bug+0xc0/0xc0
[  416.625444]  ? print_usage_bug+0xc0/0xc0
[  416.629517]  ? down_read+0x8d/0x120
[  416.633141]  ? ext4_filemap_fault+0x7a/0xad
[  416.637464]  ? __down_interruptible+0x700/0x700
[  416.642148]  ext4_filemap_fault+0x82/0xad
[  416.646302]  __do_fault+0x100/0x6b0
[  416.649937]  ? pmd_devmap_trans_unstable+0x220/0x220
[  416.655045]  ? mark_held_locks+0x130/0x130
[  416.659288]  ? mark_held_locks+0x130/0x130
[  416.663527]  ? __might_fault+0x12b/0x1e0
[  416.667591]  ? lock_downgrade+0x900/0x900
[  416.671753]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.677319]  __handle_mm_fault+0x3ea6/0x5be0
[  416.681749]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  416.686601]  ? kasan_check_read+0x11/0x20
[  416.690758]  ? _copy_to_user+0xc8/0x110
[  416.694750]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.700303]  ? zap_class+0x640/0x640
[  416.704017]  ? zap_class+0x640/0x640
[  416.707765]  ? find_held_lock+0x36/0x1c0
[  416.711841]  ? handle_mm_fault+0x42a/0xc70
[  416.716084]  ? lock_downgrade+0x900/0x900
[  416.720238]  ? check_preemption_disabled+0x48/0x280
[  416.725282]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  416.730217]  ? kasan_check_read+0x11/0x20
[  416.734368]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  416.739648]  ? rcu_softirq_qs+0x20/0x20
[  416.743623]  ? trace_hardirqs_off_caller+0x310/0x310
[  416.748729]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.754280]  ? check_preemption_disabled+0x48/0x280
[  416.759308]  handle_mm_fault+0x54f/0xc70
[  416.763378]  ? __handle_mm_fault+0x5be0/0x5be0
[  416.767967]  ? find_vma+0x34/0x190
[  416.771515]  __do_page_fault+0x5e8/0xe60
[  416.775758]  ? trace_hardirqs_off+0xb8/0x310
[  416.780170]  ? retint_kernel+0x2d/0x2d
[  416.784070]  do_page_fault+0xf2/0x7e0
[  416.787874]  ? vmalloc_sync_all+0x30/0x30
[  416.792026]  ? error_entry+0x70/0xd0
[  416.795755]  ? trace_hardirqs_off_caller+0xbb/0x310
[  416.800772]  ? trace_hardirqs_on_caller+0xc0/0x310
[  416.805703]  ? syscall_return_slowpath+0x5e0/0x5e0
[  416.810643]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  416.815492]  ? trace_hardirqs_on_caller+0x310/0x310
[  416.820508]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  416.825966]  ? prepare_exit_to_usermode+0x291/0x3b0
[  416.830986]  ? page_fault+0x8/0x30
[  416.834534]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  416.839381]  ? page_fault+0x8/0x30
[  416.842925]  page_fault+0x1e/0x30
[  416.846380] RIP: 0033:0x45d911
[  416.849588] Code: Bad RIP value.
[  416.852968] RSP: 002b:000000c420035f18 EFLAGS: 00010246
[  416.858334] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 000000000045d911
[  416.865600] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  416.872871] RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
[  416.880138] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  416.887406] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  416.894707] CPU: 0 PID: 11721 Comm: syz-executor5 Not tainted 4.19.0+ #74
[  416.894712] warn_alloc_show_mem: 1 callbacks suppressed
[  416.894720] Mem-Info:
[  416.901665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  416.907034] active_anon:50643 inactive_anon:847 isolated_anon:0
[  416.907034]  active_file:14 inactive_file:13 isolated_file:0
[  416.907034]  unevictable:0 dirty:0 writeback:0 unstable:0
[  416.907034]  slab_reclaimable:9230 slab_unreclaimable:1469886
[  416.907034]  mapped:49154 shmem:854 pagetables:629 bounce:0
[  416.907034]  free:13794 free_pcp:158 free_cma:0
[  416.909406] Call Trace:
[  416.918805] Node 0 active_anon:202572kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3416kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  416.951655]  <IRQ>
[  416.954226] 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
[  416.981907]  dump_stack+0x244/0x39d
[  416.984035] lowmem_reserve[]: 0 2818 6321 6321
[  417.010153]  ? dump_stack_print_info.cold.1+0x20/0x20
[  417.013760] Node 0 DMA32 free:25280kB min:30052kB low:37564kB high:45076kB active_anon:236kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  417.018362]  warn_alloc.cold.116+0xb7/0x1bd
[  417.023515] lowmem_reserve[]: 0 0 3503 3503
[  417.051018]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  417.055314] Node 0 Normal free:13988kB min:37364kB low:46704kB high:56044kB active_anon:202336kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:412kB local_pcp:252kB free_cma:0kB
[  417.059630]  ? lock_downgrade+0x900/0x900
[  417.064448] lowmem_reserve[]: 0 0 0 0
[  417.093433]  ? trace_hardirqs_off+0xb8/0x310
[  417.097556] 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
[  417.101352]  ? trace_hardirqs_off+0xb8/0x310
[  417.105746] Node 0 DMA32: 2*4kB (H) 3*8kB (UMH) 2*16kB (M) 2*32kB (MH) 5*64kB (MH) 4*128kB (M) 5*256kB (MH) 5*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 25280kB
[  417.119280]  __alloc_pages_slowpath+0x26e8/0x2e10
[  417.123693] Node 0 Normal: 737*4kB (UMEH) 442*8kB (UME) 213*16kB (UME) 70*32kB (UME) 7*64kB (UMH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13988kB
[  417.139174]  ? warn_alloc+0x120/0x120
[  417.143977] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  417.159325]  ? print_usage_bug+0xc0/0xc0
[  417.163112] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  417.171960]  ? warn_alloc+0x120/0x120
[  417.175999] 881 total pagecache pages
[  417.184590]  ? warn_alloc+0x120/0x120
[  417.188377] 0 pages in swap cache
[  417.192170]  ? print_usage_bug+0xc0/0xc0
[  417.195950] Swap cache stats: add 0, delete 0, find 0/0
[  417.199397]  ? kvm_clock_read+0x18/0x30
[  417.203431] Free swap  = 0kB
[  417.208789]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  417.212742] Total swap = 0kB
[  417.215770]  ? print_usage_bug+0xc0/0xc0
[  417.220763] 1965979 pages RAM
[  417.223781]  ? __lock_acquire+0x62f/0x4c20
[  417.227821] 0 pages HighMem/MovableOnly
[  417.230921]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.235126] 342858 pages reserved
[  417.239095]  ? should_fail+0x22d/0xd01
[  417.244605] 0 pages cma reserved
[  417.248056]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  417.251980] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  417.255279]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  417.260588] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  417.267016]  ? __lock_acquire+0x62f/0x4c20
[  417.272097] syz-fuzzer cpuset=/ mems_allowed=0
[  417.282316]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  417.296185]  ? __lock_acquire+0x62f/0x4c20
[  417.300418]  ? should_fail+0x22d/0xd01
[  417.304304]  ? rcu_irq_exit+0x1a2/0x390
[  417.308325]  ? mark_held_locks+0x130/0x130
[  417.312571]  ? mark_held_locks+0x130/0x130
[  417.316817]  ? mark_held_locks+0xc7/0x130
[  417.320969]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  417.325989]  ? zap_class+0x640/0x640
[  417.329706]  ? print_usage_bug+0xc0/0xc0
[  417.333798]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.339339]  ? check_preemption_disabled+0x48/0x280
[  417.344385]  ? __lock_is_held+0xb5/0x140
[  417.348475]  __alloc_pages_nodemask+0xa80/0xde0
[  417.353145]  ? zap_class+0x640/0x640
[  417.356869]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  417.361897]  ? find_held_lock+0x36/0x1c0
[  417.365970]  ? ____cache_alloc_node+0x1c7/0x1e0
[  417.370641]  ? lock_downgrade+0x900/0x900
[  417.374799]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.380344]  cache_grow_begin+0xa5/0x8c0
[  417.384410]  ? do_raw_spin_unlock+0xa7/0x330
[  417.388831]  fallback_alloc+0x204/0x2e0
[  417.392818]  ____cache_alloc_node+0x1c7/0x1e0
[  417.397321]  kmem_cache_alloc_node+0xe3/0x730
[  417.401818]  ? ipv6_get_ifaddr+0x42e/0x620
[  417.406063]  __alloc_skb+0x119/0x770
[  417.409780]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  417.415067]  ? netdev_alloc_frag+0x1f0/0x1f0
[  417.419479]  ? lock_downgrade+0x900/0x900
[  417.423637]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.429175]  ? refcount_sub_and_test_checked+0x203/0x310
[  417.434630]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  417.440081]  ? addrconf_rs_timer+0x690/0x690
[  417.444500]  ndisc_alloc_skb+0x144/0x340
[  417.448597]  ndisc_send_rs+0x331/0x6e0
[  417.452495]  addrconf_rs_timer+0x314/0x690
[  417.456741]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.460997]  call_timer_fn+0x272/0x920
[  417.464884]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.469141]  ? process_timeout+0x40/0x40
[  417.473215]  ? __run_timers+0x7da/0xc70
[  417.477191]  ? _raw_spin_unlock_irq+0x27/0x80
[  417.481690]  ? _raw_spin_unlock_irq+0x27/0x80
[  417.486184]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.490424]  ? lockdep_hardirqs_on+0x296/0x5b0
[  417.495009]  ? trace_hardirqs_on+0xbd/0x310
[  417.499351]  ? kasan_check_read+0x11/0x20
[  417.503498]  ? __run_timers+0x7da/0xc70
[  417.507473]  ? trace_hardirqs_off_caller+0x310/0x310
[  417.512581]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.516820]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.521053]  __run_timers+0x7e5/0xc70
[  417.524885]  ? timer_fixup_init+0x70/0x70
[  417.529035]  ? kasan_check_read+0x11/0x20
[  417.533187]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  417.538467]  ? rcu_softirq_qs+0x20/0x20
[  417.542444]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.547986]  ? check_preemption_disabled+0x48/0x280
[  417.553013]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  417.557956]  ? retint_kernel+0x2d/0x2d
[  417.561849]  ? trace_hardirqs_on_caller+0xc0/0x310
[  417.566780]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  417.571538]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  417.576993]  ? zap_class+0x640/0x640
[  417.580716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.586276]  ? check_preemption_disabled+0x48/0x280
[  417.591306]  ? __lock_is_held+0xb5/0x140
[  417.595370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.600911]  ? check_preemption_disabled+0x48/0x280
[  417.605934]  run_timer_softirq+0x52/0xb0
[  417.610003]  ? rcu_read_lock_sched_held+0x14f/0x180
[  417.615026]  __do_softirq+0x308/0xb7e
[  417.618836]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  417.623330]  ? lock_downgrade+0x900/0x900
[  417.627482]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  417.632594]  ? pvclock_read_flags+0x160/0x160
[  417.637098]  ? lapic_next_event+0x5a/0x90
[  417.641249]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.646794]  ? kvm_clock_read+0x18/0x30
[  417.650779]  ? kvm_sched_clock_read+0x9/0x20
[  417.655213]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.660770]  ? check_preemption_disabled+0x48/0x280
[  417.665800]  irq_exit+0x17f/0x1c0
[  417.669263]  smp_apic_timer_interrupt+0x1cb/0x760
[  417.674108]  ? smp_reschedule_interrupt+0x109/0x650
[  417.679136]  ? smp_call_function_single_interrupt+0x650/0x650
[  417.685021]  ? interrupt_entry+0xb5/0xc0
[  417.689086]  ? trace_hardirqs_off_caller+0xbb/0x310
[  417.694100]  ? trace_hardirqs_off_caller+0xbb/0x310
[  417.699120]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  417.703964]  ? trace_hardirqs_on_caller+0x310/0x310
[  417.708978]  ? trace_hardirqs_on_caller+0x310/0x310
[  417.714010]  ? task_prio+0x50/0x50
[  417.717554]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.723094]  ? check_preemption_disabled+0x48/0x280
[  417.728118]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  417.732980]  apic_timer_interrupt+0xf/0x20
[  417.737213]  </IRQ>
[  417.739452] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  417.744382] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 14
[  417.763384] RSP: 0000:ffff8801bf14f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  417.771583] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  417.778850] RDX: 0000000000000000 RSI: ffff8801b68a4c40 RDI: 0000000000000286
[  417.786116] RBP: ffff8801bf14f7a0 R08: ffff8801b68a43c0 R09: 0000000000000000
[  417.793399] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  417.800671] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  417.807988]  skb_clone+0x1bb/0x500
[  417.811532]  ? finish_task_switch+0x2f4/0x910
[  417.816041]  ? skb_split+0x11e0/0x11e0
[  417.819932]  ? preempt_notifier_register+0x200/0x200
[  417.825035]  ? __switch_to_asm+0x34/0x70
[  417.829095]  ? __switch_to_asm+0x34/0x70
[  417.833157]  ? __switch_to_asm+0x40/0x70
[  417.837218]  ? __switch_to_asm+0x34/0x70
[  417.841278]  ? __switch_to_asm+0x40/0x70
[  417.845342]  ? __switch_to_asm+0x34/0x70
[  417.849407]  ? __switch_to_asm+0x40/0x70
[  417.853471]  ? __switch_to_asm+0x34/0x70
[  417.858061]  ? __switch_to_asm+0x34/0x70
[  417.862125]  ? __switch_to_asm+0x40/0x70
[  417.866184]  ? __switch_to_asm+0x34/0x70
[  417.870276]  bpf_clone_redirect+0xb9/0x490
[  417.874513]  ? __schedule+0x8d7/0x21d0
[  417.878413]  bpf_prog_bebbfe2050753572+0x6c2/0x1000
[  417.883455]  ? __sched_text_start+0x8/0x8
[  417.887607]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  417.892384]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  417.896978]  ? retint_kernel+0x2d/0x2d
[  417.900874]  ? find_held_lock+0x36/0x1c0
[  417.905164]  ? lock_acquire+0x1ed/0x520
[  417.909156]  ? bpf_test_run+0x3cb/0x780
[  417.913134]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.918676]  ? check_preemption_disabled+0x48/0x280
[  417.923704]  ? kasan_check_read+0x11/0x20
[  417.927869]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  417.933145]  ? rcu_softirq_qs+0x20/0x20
[  417.937121]  ? preempt_schedule+0x4d/0x60
[  417.941273]  ? ___preempt_schedule+0x16/0x18
[  417.945692]  ? bpf_test_run+0x25d/0x780
[  417.949678]  ? netlink_diag_dump+0x2a0/0x2a0
[  417.954091]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.959632]  ? bpf_test_init.isra.10+0x70/0x100
[  417.964303]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  417.969071]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  417.973914]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  417.979454]  ? fput+0x130/0x1a0
[  417.982756]  ? __bpf_prog_get+0x9b/0x290
[  417.986825]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  417.991668]  ? bpf_prog_test_run+0x130/0x1a0
[  417.996082]  ? __x64_sys_bpf+0x3d8/0x520
[  418.000147]  ? bpf_prog_get+0x20/0x20
[  418.003975]  ? do_syscall_64+0x1b9/0x820
[  418.008038]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  418.013406]  ? syscall_return_slowpath+0x5e0/0x5e0
[  418.018338]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.023186]  ? trace_hardirqs_on_caller+0x310/0x310
[  418.028211]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  418.033228]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.038777]  ? prepare_exit_to_usermode+0x291/0x3b0
[  418.043810]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.048667]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  418.054054] CPU: 1 PID: 5666 Comm: syz-fuzzer Not tainted 4.19.0+ #74
[  418.054124] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  418.060639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  418.060649] Call Trace:
[  418.067236] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  418.076476]  <IRQ>
[  418.079048] syz-executor5 cpuset=syz5 mems_allowed=0
[  418.089543]  dump_stack+0x244/0x39d
[  418.100403]  ? dump_stack_print_info.cold.1+0x20/0x20
[  418.105628]  warn_alloc.cold.116+0xb7/0x1bd
[  418.109971]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  418.114827]  ? lock_downgrade+0x900/0x900
[  418.118988]  ? trace_hardirqs_off+0xb8/0x310
[  418.123406]  ? trace_hardirqs_off+0xb8/0x310
[  418.127835]  __alloc_pages_slowpath+0x26e8/0x2e10
[  418.132719]  ? warn_alloc+0x120/0x120
[  418.136533]  ? print_usage_bug+0xc0/0xc0
[  418.140601]  ? warn_alloc+0x120/0x120
[  418.144412]  ? warn_alloc+0x120/0x120
[  418.148218]  ? print_usage_bug+0xc0/0xc0
[  418.152291]  ? print_usage_bug+0xc0/0xc0
[  418.156360]  ? __lock_acquire+0x62f/0x4c20
[  418.160606]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.166158]  ? should_fail+0x22d/0xd01
[  418.170052]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  418.175163]  ? __lock_acquire+0x62f/0x4c20
[  418.179406]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  418.184516]  ? __lock_acquire+0x62f/0x4c20
[  418.188759]  ? should_fail+0x22d/0xd01
[  418.192654]  ? find_held_lock+0x36/0x1c0
[  418.196731]  ? mark_held_locks+0x130/0x130
[  418.200984]  ? mark_held_locks+0x130/0x130
[  418.205222]  ? zap_class+0x640/0x640
[  418.208944]  ? zap_class+0x640/0x640
[  418.212673]  ? print_usage_bug+0xc0/0xc0
[  418.216744]  ? do_raw_spin_unlock+0xa7/0x330
[  418.221154]  ? zap_class+0x640/0x640
[  418.224874]  ? print_usage_bug+0xc0/0xc0
[  418.228939]  ? wq_watchdog_touch+0x9c/0xfe
[  418.233181]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.238723]  ? check_preemption_disabled+0x48/0x280
[  418.243766]  ? __lock_is_held+0xb5/0x140
[  418.247840]  __alloc_pages_nodemask+0xa80/0xde0
[  418.252510]  ? zap_class+0x640/0x640
[  418.256231]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  418.261280]  ? find_held_lock+0x36/0x1c0
[  418.265358]  ? ____cache_alloc_node+0x1c7/0x1e0
[  418.270029]  ? lock_downgrade+0x900/0x900
[  418.274187]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.279732]  cache_grow_begin+0xa5/0x8c0
[  418.283808]  ? do_raw_spin_unlock+0xa7/0x330
[  418.288230]  fallback_alloc+0x204/0x2e0
[  418.292221]  ____cache_alloc_node+0x1c7/0x1e0
[  418.296743]  kmem_cache_alloc_node+0xe3/0x730
[  418.301249]  ? ipv6_get_ifaddr+0x42e/0x620
[  418.305497]  __alloc_skb+0x119/0x770
[  418.309212]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  418.314502]  ? netdev_alloc_frag+0x1f0/0x1f0
[  418.318914]  ? lock_downgrade+0x900/0x900
[  418.323075]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.328613]  ? refcount_sub_and_test_checked+0x203/0x310
[  418.334070]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  418.339535]  ? addrconf_rs_timer+0x690/0x690
[  418.343958]  ndisc_alloc_skb+0x144/0x340
[  418.348028]  ndisc_send_rs+0x331/0x6e0
[  418.351924]  addrconf_rs_timer+0x314/0x690
[  418.356164]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.360414]  call_timer_fn+0x272/0x920
[  418.364302]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.368542]  ? process_timeout+0x40/0x40
[  418.372615]  ? mark_held_locks+0xc7/0x130
[  418.376779]  ? _raw_spin_unlock_irq+0x27/0x80
[  418.381293]  ? _raw_spin_unlock_irq+0x27/0x80
[  418.385785]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.390028]  ? lockdep_hardirqs_on+0x296/0x5b0
[  418.394614]  ? trace_hardirqs_on+0xbd/0x310
[  418.398936]  ? kasan_check_read+0x11/0x20
[  418.403086]  ? __run_timers+0x7da/0xc70
[  418.407066]  ? trace_hardirqs_off_caller+0x310/0x310
[  418.412178]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.416425]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.420661]  __run_timers+0x7e5/0xc70
[  418.424476]  ? timer_fixup_init+0x70/0x70
[  418.428629]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  418.433652]  ? zap_class+0x640/0x640
[  418.437379]  ? print_usage_bug+0xc0/0xc0
[  418.441447]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  418.446648]  ? find_held_lock+0x36/0x1c0
[  418.450718]  ? zap_class+0x640/0x640
[  418.454448]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.459999]  ? check_preemption_disabled+0x48/0x280
[  418.465030]  ? __lock_is_held+0xb5/0x140
[  418.469094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.474633]  ? check_preemption_disabled+0x48/0x280
[  418.479662]  run_timer_softirq+0x52/0xb0
[  418.483728]  ? rcu_read_lock_sched_held+0x14f/0x180
[  418.488774]  __do_softirq+0x308/0xb7e
[  418.492580]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  418.497077]  ? lock_downgrade+0x900/0x900
[  418.501232]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  418.506351]  ? pvclock_read_flags+0x160/0x160
[  418.510851]  ? lapic_next_event+0x5a/0x90
[  418.515006]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.520553]  ? kvm_clock_read+0x18/0x30
[  418.524530]  ? kvm_sched_clock_read+0x9/0x20
[  418.528947]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.534486]  ? check_preemption_disabled+0x48/0x280
[  418.539517]  irq_exit+0x17f/0x1c0
[  418.542978]  smp_apic_timer_interrupt+0x1cb/0x760
[  418.547825]  ? smp_reschedule_interrupt+0x109/0x650
[  418.552852]  ? smp_call_function_single_interrupt+0x650/0x650
[  418.558750]  ? interrupt_entry+0xb5/0xc0
[  418.562818]  ? trace_hardirqs_off_caller+0xbb/0x310
[  418.567840]  ? trace_hardirqs_off_caller+0xbb/0x310
[  418.572861]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.577704]  ? trace_hardirqs_on_caller+0x310/0x310
[  418.582729]  ? trace_hardirqs_on_caller+0x310/0x310
[  418.587773]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.592635]  apic_timer_interrupt+0xf/0x20
[  418.596865]  </IRQ>
[  418.599117] RIP: 0010:dump_stack+0x358/0x39d
[  418.603533] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 a1 9c fd f9 48 83 3d 29 00 8d 01 00 0f 84 63 fe ff ff e8 ee 69 ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db 69 ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  418.622433] RSP: 0000:ffff8801b9cce1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  418.630140] RAX: ffff8801d71b2040 RBX: 1ffffffff12a3f46 RCX: 1ffff1003ae36526
[  418.637407] RDX: 0000000000000000 RSI: ffffffff87c4fa12 RDI: 0000000000000293
[  418.644675] RBP: ffff8801b9cce290 R08: ffff8801d71b2930 R09: 0000000000000006
[  418.651941] R10: 0000000000000000 R11: ffff8801d71b2040 R12: 1ffff10037399c45
[  418.659211] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  418.666507]  ? dump_stack+0x34f/0x39d
[  418.670330]  ? dump_stack_print_info.cold.1+0x20/0x20
[  418.675528]  ? mark_held_locks+0x130/0x130
[  418.679768]  ? mark_held_locks+0x130/0x130
[  418.684013]  dump_header+0x27b/0xf72
[  418.687748]  ? pagefault_out_of_memory+0x197/0x197
[  418.692691]  ? __lock_acquire+0x62f/0x4c20
[  418.696927]  ? percpu_ref_get_many+0x240/0x240
[  418.701517]  ? print_usage_bug+0xc0/0xc0
[  418.705601]  ? zap_class+0x640/0x640
[  418.709321]  ? print_usage_bug+0xc0/0xc0
[  418.713382]  ? print_usage_bug+0xc0/0xc0
[  418.717446]  ? zap_class+0x640/0x640
[  418.721170]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.726713]  ? find_held_lock+0x36/0x1c0
[  418.730792]  ? mark_held_locks+0xc7/0x130
[  418.734954]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  418.740058]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  418.745168]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  418.749761]  ? trace_hardirqs_on+0xbd/0x310
[  418.754087]  ? kasan_check_read+0x11/0x20
[  418.758237]  ? ___ratelimit+0x3b4/0x672
[  418.762224]  ? trace_hardirqs_off_caller+0x310/0x310
[  418.767344]  ? trace_hardirqs_on+0x310/0x310
[  418.771765]  ? lock_downgrade+0x900/0x900
[  418.775928]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  418.781034]  ? ___ratelimit+0x3b9/0x672
[  418.785014]  ? idr_get_free+0xf80/0xf80
[  418.788988]  ? find_held_lock+0x36/0x1c0
[  418.793063]  oom_kill_process.cold.27+0x10/0x903
[  418.797824]  ? zap_class+0x640/0x640
[  418.801542]  ? check_preemption_disabled+0x48/0x280
[  418.806563]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  418.811495]  ? kasan_check_read+0x11/0x20
[  418.815649]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  418.820930]  ? oom_evaluate_task+0x540/0x540
[  418.825346]  ? find_held_lock+0x36/0x1c0
[  418.829418]  ? out_of_memory+0x974/0x1430
[  418.833568]  ? lock_downgrade+0x900/0x900
[  418.837720]  ? check_preemption_disabled+0x48/0x280
[  418.842756]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  418.847688]  ? kasan_check_read+0x11/0x20
[  418.851836]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  418.857300]  ? rcu_softirq_qs+0x20/0x20
[  418.861287]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.866826]  ? oom_evaluate_task+0x302/0x540
[  418.871241]  out_of_memory+0xa84/0x1430
[  418.875232]  ? oom_killer_disable+0x3a0/0x3a0
[  418.879747]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  418.884684]  ? __ww_mutex_check_waiters+0x160/0x160
[  418.889721]  __alloc_pages_slowpath+0x2354/0x2e10
[  418.894607]  ? warn_alloc+0x120/0x120
[  418.898409]  ? mark_held_locks+0x130/0x130
[  418.902653]  ? find_get_entry+0xaae/0x1120
[  418.906899]  ? filemap_map_pages+0x1a20/0x1a20
[  418.911492]  ? zap_class+0x640/0x640
[  418.915216]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.920767]  ? check_preemption_disabled+0x48/0x280
[  418.925792]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.931335]  ? should_fail+0x22d/0xd01
[  418.935229]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  418.940341]  ? zap_class+0x640/0x640
[  418.944080]  ? __lock_is_held+0xb5/0x140
[  418.948151]  ? mark_held_locks+0x130/0x130
[  418.952389]  ? lock_release+0xa00/0xa00
[  418.956366]  ? perf_trace_sched_process_exec+0x860/0x860
[  418.961823]  ? xa_load+0x2ba/0x460
[  418.965368]  ? lock_downgrade+0x900/0x900
[  418.969523]  ? __might_sleep+0x95/0x190
[  418.973509]  __alloc_pages_nodemask+0xa80/0xde0
[  418.978195]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  418.983215]  ? __page_cache_alloc+0x191/0x5c0
[  418.987714]  ? xa_load+0x2e1/0x460
[  418.991271]  ? xa_clear_mark+0x40/0x40
[  418.995163]  ? zap_class+0x640/0x640
[  418.998892]  ? zap_class+0x640/0x640
[  419.002606]  ? zap_class+0x640/0x640
[  419.006325]  ? __do_page_cache_readahead+0x663/0x810
[  419.011439]  ? find_held_lock+0x36/0x1c0
[  419.015507]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  419.021053]  alloc_pages_current+0x173/0x350
[  419.025471]  __page_cache_alloc+0x38c/0x5c0
[  419.029790]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  419.034719]  ? kasan_check_read+0x11/0x20
[  419.038878]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.044160]  ? generic_perform_write+0x6a0/0x6a0
[  419.048922]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.054463]  ? check_preemption_disabled+0x48/0x280
[  419.059491]  filemap_fault+0x1595/0x25f0
[  419.063568]  ? __lock_page_or_retry+0xa00/0xa00
[  419.068241]  ? mark_held_locks+0x130/0x130
[  419.072496]  ? filemap_map_pages+0xd6b/0x1a20
[  419.076995]  ? lock_downgrade+0x900/0x900
[  419.081145]  ? check_preemption_disabled+0x48/0x280
[  419.086168]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  419.091099]  ? kasan_check_read+0x11/0x20
[  419.095252]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.100529]  ? rcu_softirq_qs+0x20/0x20
[  419.104523]  ? filemap_map_pages+0xd92/0x1a20
[  419.109022]  ? __lock_acquire+0x62f/0x4c20
[  419.113270]  ? find_get_entries_tag+0x1400/0x1400
[  419.118135]  ? lock_acquire+0x1ed/0x520
[  419.122109]  ? ext4_filemap_fault+0x7a/0xad
[  419.126439]  ? lock_release+0xa00/0xa00
[  419.130412]  ? perf_trace_sched_process_exec+0x860/0x860
[  419.135866]  ? print_usage_bug+0xc0/0xc0
[  419.139930]  ? print_usage_bug+0xc0/0xc0
[  419.144006]  ? down_read+0x8d/0x120
[  419.147631]  ? ext4_filemap_fault+0x7a/0xad
[  419.151953]  ? __down_interruptible+0x700/0x700
[  419.156637]  ext4_filemap_fault+0x82/0xad
[  419.160789]  __do_fault+0x100/0x6b0
[  419.164424]  ? pmd_devmap_trans_unstable+0x220/0x220
[  419.169530]  ? mark_held_locks+0x130/0x130
[  419.173775]  ? mark_held_locks+0x130/0x130
[  419.178027]  ? __might_fault+0x12b/0x1e0
[  419.182091]  ? lock_downgrade+0x900/0x900
[  419.186253]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.191804]  __handle_mm_fault+0x3ea6/0x5be0
[  419.196223]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  419.201080]  ? kasan_check_read+0x11/0x20
[  419.205233]  ? _copy_to_user+0xc8/0x110
[  419.209217]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.214779]  ? zap_class+0x640/0x640
[  419.218498]  ? zap_class+0x640/0x640
[  419.222223]  ? find_held_lock+0x36/0x1c0
[  419.226303]  ? handle_mm_fault+0x42a/0xc70
[  419.230543]  ? lock_downgrade+0x900/0x900
[  419.234692]  ? check_preemption_disabled+0x48/0x280
[  419.239715]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  419.244654]  ? kasan_check_read+0x11/0x20
[  419.248801]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.254078]  ? rcu_softirq_qs+0x20/0x20
[  419.258053]  ? trace_hardirqs_off_caller+0x310/0x310
[  419.263163]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.268705]  ? check_preemption_disabled+0x48/0x280
[  419.273747]  handle_mm_fault+0x54f/0xc70
[  419.277816]  ? __handle_mm_fault+0x5be0/0x5be0
[  419.282402]  ? find_vma+0x34/0x190
[  419.285953]  __do_page_fault+0x5e8/0xe60
[  419.290014]  ? trace_hardirqs_off+0xb8/0x310
[  419.294423]  ? retint_kernel+0x2d/0x2d
[  419.298322]  do_page_fault+0xf2/0x7e0
[  419.302127]  ? vmalloc_sync_all+0x30/0x30
[  419.306281]  ? error_entry+0x70/0xd0
[  419.309996]  ? trace_hardirqs_off_caller+0xbb/0x310
[  419.315011]  ? trace_hardirqs_on_caller+0xc0/0x310
[  419.319941]  ? syscall_return_slowpath+0x5e0/0x5e0
[  419.324872]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  419.329718]  ? trace_hardirqs_on_caller+0x310/0x310
[  419.334761]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  419.340236]  ? prepare_exit_to_usermode+0x291/0x3b0
[  419.345265]  ? page_fault+0x8/0x30
[  419.348810]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  419.353658]  ? page_fault+0x8/0x30
[  419.357203]  page_fault+0x1e/0x30
[  419.360659] RIP: 0033:0x45d911
[  419.363865] Code: Bad RIP value.
[  419.367231] RSP: 002b:000000c420035f18 EFLAGS: 00010246
[  419.372597] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 000000000045d911
[  419.379864] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  419.387132] RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
[  419.394399] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  419.401668] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  419.408969] CPU: 0 PID: 11721 Comm: syz-executor5 Not tainted 4.19.0+ #74
[  419.408975] warn_alloc_show_mem: 1 callbacks suppressed
[  419.408982] Mem-Info:
[  419.415908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  419.421279] active_anon:50643 inactive_anon:847 isolated_anon:0
[  419.421279]  active_file:14 inactive_file:13 isolated_file:0
[  419.421279]  unevictable:0 dirty:0 writeback:0 unstable:0
[  419.421279]  slab_reclaimable:9230 slab_unreclaimable:1469886
[  419.421279]  mapped:49154 shmem:854 pagetables:629 bounce:0
[  419.421279]  free:13794 free_pcp:158 free_cma:0
[  419.423647] Call Trace:
[  419.433036] Node 0 active_anon:202572kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3416kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  419.465885]  <IRQ>
[  419.468457] 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
[  419.496140]  dump_stack+0x244/0x39d
[  419.498294] lowmem_reserve[]: 0 2818 6321 6321
[  419.524419]  ? dump_stack_print_info.cold.1+0x20/0x20
[  419.528020] Node 0 DMA32 free:25280kB min:30052kB low:37564kB high:45076kB active_anon:236kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  419.532609]  warn_alloc.cold.116+0xb7/0x1bd
[  419.537765] lowmem_reserve[]: 0 0 3503 3503
[  419.565276]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  419.569570] Node 0 Normal free:13988kB min:37364kB low:46704kB high:56044kB active_anon:202336kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:412kB local_pcp:252kB free_cma:0kB
[  419.573891]  ? lock_downgrade+0x900/0x900
[  419.578699] lowmem_reserve[]: 0 0 0 0
[  419.607702]  ? trace_hardirqs_off+0xb8/0x310
[  419.611829] 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
[  419.615623]  ? trace_hardirqs_off+0xb8/0x310
[  419.620024] Node 0 DMA32: 2*4kB (H) 3*8kB (UMH) 2*16kB (M) 2*32kB (MH) 5*64kB (MH) 4*128kB (M) 5*256kB (MH) 5*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 25280kB
[  419.633554]  __alloc_pages_slowpath+0x26e8/0x2e10
[  419.637935] Node 0 Normal: 737*4kB (UMEH) 442*8kB (UME) 213*16kB (UME) 70*32kB (UME) 7*64kB (UMH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13988kB
[  419.653397]  ? warn_alloc+0x120/0x120
[  419.658197] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  419.673530]  ? print_usage_bug+0xc0/0xc0
[  419.673546]  ? warn_alloc+0x120/0x120
[  419.677337] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  419.686162]  ? warn_alloc+0x120/0x120
[  419.690202] 881 total pagecache pages
[  419.693995]  ? print_usage_bug+0xc0/0xc0
[  419.702553] 0 pages in swap cache
[  419.706343]  ? kvm_clock_read+0x18/0x30
[  419.710127] Swap cache stats: add 0, delete 0, find 0/0
[  419.714178]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  419.717608] Free swap  = 0kB
[  419.721621]  ? print_usage_bug+0xc0/0xc0
[  419.726959] Total swap = 0kB
[  419.731971]  ? __lock_acquire+0x62f/0x4c20
[  419.734965] 1965979 pages RAM
[  419.739020]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.742006] 0 pages HighMem/MovableOnly
[  419.742015] 342858 pages reserved
[  419.746244]  ? should_fail+0x22d/0xd01
[  419.749324] 0 pages cma reserved
[  419.749404] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  419.754859]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.754877]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  419.754896]  ? __lock_acquire+0x62f/0x4c20
[  419.758910] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  419.762299]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  419.766167] syz-fuzzer cpuset=/ mems_allowed=0
[  419.769522]  ? __lock_acquire+0x62f/0x4c20
[  419.769537]  ? should_fail+0x22d/0xd01
[  419.818820]  ? rcu_irq_exit+0x1a2/0x390
[  419.822815]  ? mark_held_locks+0x130/0x130
[  419.827060]  ? mark_held_locks+0x130/0x130
[  419.831303]  ? mark_held_locks+0xc7/0x130
[  419.835456]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  419.840476]  ? zap_class+0x640/0x640
[  419.844191]  ? print_usage_bug+0xc0/0xc0
[  419.848260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.853806]  ? check_preemption_disabled+0x48/0x280
[  419.859488]  ? __lock_is_held+0xb5/0x140
[  419.863560]  __alloc_pages_nodemask+0xa80/0xde0
[  419.868234]  ? zap_class+0x640/0x640
[  419.871956]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  419.877011]  ? find_held_lock+0x36/0x1c0
[  419.881084]  ? ____cache_alloc_node+0x1c7/0x1e0
[  419.885771]  ? lock_downgrade+0x900/0x900
[  419.889932]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.895478]  cache_grow_begin+0xa5/0x8c0
[  419.899539]  ? do_raw_spin_unlock+0xa7/0x330
[  419.904194]  fallback_alloc+0x204/0x2e0
[  419.908177]  ____cache_alloc_node+0x1c7/0x1e0
[  419.912681]  kmem_cache_alloc_node+0xe3/0x730
[  419.917179]  ? ipv6_get_ifaddr+0x42e/0x620
[  419.921426]  __alloc_skb+0x119/0x770
[  419.925144]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.930433]  ? netdev_alloc_frag+0x1f0/0x1f0
[  419.934852]  ? lock_downgrade+0x900/0x900
[  419.939014]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.944558]  ? refcount_sub_and_test_checked+0x203/0x310
[  419.950019]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  419.955476]  ? addrconf_rs_timer+0x690/0x690
[  419.959902]  ndisc_alloc_skb+0x144/0x340
[  419.963971]  ndisc_send_rs+0x331/0x6e0
[  419.967868]  addrconf_rs_timer+0x314/0x690
[  419.972108]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  419.976354]  call_timer_fn+0x272/0x920
[  419.980261]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  419.984498]  ? process_timeout+0x40/0x40
[  419.988568]  ? __run_timers+0x7da/0xc70
[  419.992554]  ? _raw_spin_unlock_irq+0x27/0x80
[  419.997051]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.001547]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.005786]  ? lockdep_hardirqs_on+0x296/0x5b0
[  420.010372]  ? trace_hardirqs_on+0xbd/0x310
[  420.014697]  ? kasan_check_read+0x11/0x20
[  420.018847]  ? __run_timers+0x7da/0xc70
[  420.022829]  ? trace_hardirqs_off_caller+0x310/0x310
[  420.027943]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.032185]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.036421]  __run_timers+0x7e5/0xc70
[  420.040237]  ? timer_fixup_init+0x70/0x70
[  420.044387]  ? kasan_check_read+0x11/0x20
[  420.048538]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  420.053823]  ? rcu_softirq_qs+0x20/0x20
[  420.057816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.063355]  ? check_preemption_disabled+0x48/0x280
[  420.068380]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  420.073146]  ? retint_kernel+0x2d/0x2d
[  420.077037]  ? trace_hardirqs_on_caller+0xc0/0x310
[  420.081968]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  420.086725]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  420.092191]  ? zap_class+0x640/0x640
[  420.095920]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.101461]  ? check_preemption_disabled+0x48/0x280
[  420.106492]  ? __lock_is_held+0xb5/0x140
[  420.110557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.116098]  ? check_preemption_disabled+0x48/0x280
[  420.121121]  run_timer_softirq+0x52/0xb0
[  420.125185]  ? rcu_read_lock_sched_held+0x14f/0x180
[  420.130203]  __do_softirq+0x308/0xb7e
[  420.134007]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  420.138502]  ? lock_downgrade+0x900/0x900
[  420.142677]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  420.147791]  ? pvclock_read_flags+0x160/0x160
[  420.152292]  ? lapic_next_event+0x5a/0x90
[  420.156445]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.161989]  ? kvm_clock_read+0x18/0x30
[  420.165964]  ? kvm_sched_clock_read+0x9/0x20
[  420.170374]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.175917]  ? check_preemption_disabled+0x48/0x280
[  420.180945]  irq_exit+0x17f/0x1c0
[  420.184416]  smp_apic_timer_interrupt+0x1cb/0x760
[  420.189257]  ? smp_reschedule_interrupt+0x109/0x650
[  420.194276]  ? smp_call_function_single_interrupt+0x650/0x650
[  420.200176]  ? interrupt_entry+0xb5/0xc0
[  420.204245]  ? trace_hardirqs_off_caller+0xbb/0x310
[  420.209261]  ? trace_hardirqs_off_caller+0xbb/0x310
[  420.214298]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.219146]  ? trace_hardirqs_on_caller+0x310/0x310
[  420.224165]  ? trace_hardirqs_on_caller+0x310/0x310
[  420.229186]  ? task_prio+0x50/0x50
[  420.232732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.238285]  ? check_preemption_disabled+0x48/0x280
[  420.243329]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.248183]  apic_timer_interrupt+0xf/0x20
[  420.252425]  </IRQ>
[  420.254665] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  420.259598] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 14
[  420.278514] RSP: 0000:ffff8801bf14f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  420.286222] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  420.293489] RDX: 0000000000000000 RSI: ffff8801b68a4c40 RDI: 0000000000000286
[  420.300767] RBP: ffff8801bf14f7a0 R08: ffff8801b68a43c0 R09: 0000000000000000
[  420.308033] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  420.315303] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  420.322631]  skb_clone+0x1bb/0x500
[  420.326175]  ? finish_task_switch+0x2f4/0x910
[  420.330672]  ? skb_split+0x11e0/0x11e0
[  420.334562]  ? preempt_notifier_register+0x200/0x200
[  420.339667]  ? __switch_to_asm+0x34/0x70
[  420.343728]  ? __switch_to_asm+0x34/0x70
[  420.347801]  ? __switch_to_asm+0x40/0x70
[  420.351865]  ? __switch_to_asm+0x34/0x70
[  420.355927]  ? __switch_to_asm+0x40/0x70
[  420.359990]  ? __switch_to_asm+0x34/0x70
[  420.364051]  ? __switch_to_asm+0x40/0x70
[  420.368114]  ? __switch_to_asm+0x34/0x70
[  420.372177]  ? __switch_to_asm+0x34/0x70
[  420.376236]  ? __switch_to_asm+0x40/0x70
[  420.380298]  ? __switch_to_asm+0x34/0x70
[  420.384370]  bpf_clone_redirect+0xb9/0x490
[  420.388610]  ? __schedule+0x8d7/0x21d0
[  420.392522]  bpf_prog_bebbfe2050753572+0x6c2/0x1000
[  420.397554]  ? __sched_text_start+0x8/0x8
[  420.401704]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  420.406471]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  420.411052]  ? retint_kernel+0x2d/0x2d
[  420.414944]  ? find_held_lock+0x36/0x1c0
[  420.419016]  ? lock_acquire+0x1ed/0x520
[  420.422992]  ? bpf_test_run+0x3cb/0x780
[  420.426968]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.432506]  ? check_preemption_disabled+0x48/0x280
[  420.437540]  ? kasan_check_read+0x11/0x20
[  420.441687]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  420.446966]  ? rcu_softirq_qs+0x20/0x20
[  420.450943]  ? preempt_schedule+0x4d/0x60
[  420.455095]  ? ___preempt_schedule+0x16/0x18
[  420.459516]  ? bpf_test_run+0x25d/0x780
[  420.463502]  ? netlink_diag_dump+0x2a0/0x2a0
[  420.467920]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.473456]  ? bpf_test_init.isra.10+0x70/0x100
[  420.478132]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  420.482899]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  420.487755]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  420.493297]  ? fput+0x130/0x1a0
[  420.496583]  ? __bpf_prog_get+0x9b/0x290
[  420.500648]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  420.505490]  ? bpf_prog_test_run+0x130/0x1a0
[  420.509907]  ? __x64_sys_bpf+0x3d8/0x520
[  420.513969]  ? bpf_prog_get+0x20/0x20
[  420.517860]  ? do_syscall_64+0x1b9/0x820
[  420.521928]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  420.527297]  ? syscall_return_slowpath+0x5e0/0x5e0
[  420.532224]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.537071]  ? trace_hardirqs_on_caller+0x310/0x310
[  420.542092]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  420.547113]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.552654]  ? prepare_exit_to_usermode+0x291/0x3b0
[  420.557684]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.562539]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  420.567926] CPU: 1 PID: 5666 Comm: syz-fuzzer Not tainted 4.19.0+ #74
[  420.568001] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  420.574507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  420.574513] Call Trace:
[  420.574520]  <IRQ>
[  420.574537]  dump_stack+0x244/0x39d
[  420.574555]  ? dump_stack_print_info.cold.1+0x20/0x20
[  420.581085] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  420.590395]  warn_alloc.cold.116+0xb7/0x1bd
[  420.592949] syz-executor5 cpuset=syz5 mems_allowed=0
[  420.595095]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  420.628578]  ? lock_downgrade+0x900/0x900
[  420.632745]  ? trace_hardirqs_off+0xb8/0x310
[  420.637168]  ? trace_hardirqs_off+0xb8/0x310
[  420.641588]  __alloc_pages_slowpath+0x26e8/0x2e10
[  420.646466]  ? warn_alloc+0x120/0x120
[  420.650277]  ? print_usage_bug+0xc0/0xc0
[  420.654342]  ? warn_alloc+0x120/0x120
[  420.658150]  ? warn_alloc+0x120/0x120
[  420.661954]  ? print_usage_bug+0xc0/0xc0
[  420.666024]  ? print_usage_bug+0xc0/0xc0
[  420.670096]  ? __lock_acquire+0x62f/0x4c20
[  420.674343]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.679892]  ? should_fail+0x22d/0xd01
[  420.683792]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  420.688898]  ? __lock_acquire+0x62f/0x4c20
[  420.693141]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  420.698255]  ? __lock_acquire+0x62f/0x4c20
[  420.702493]  ? should_fail+0x22d/0xd01
[  420.706404]  ? find_held_lock+0x36/0x1c0
[  420.710478]  ? mark_held_locks+0x130/0x130
[  420.714719]  ? mark_held_locks+0x130/0x130
[  420.718965]  ? zap_class+0x640/0x640
[  420.722683]  ? zap_class+0x640/0x640
[  420.726401]  ? print_usage_bug+0xc0/0xc0
[  420.730464]  ? do_raw_spin_unlock+0xa7/0x330
[  420.734894]  ? zap_class+0x640/0x640
[  420.738612]  ? print_usage_bug+0xc0/0xc0
[  420.742678]  ? wq_watchdog_touch+0x9c/0xfe
[  420.746918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.752461]  ? check_preemption_disabled+0x48/0x280
[  420.757490]  ? __lock_is_held+0xb5/0x140
[  420.761559]  __alloc_pages_nodemask+0xa80/0xde0
[  420.766232]  ? zap_class+0x640/0x640
[  420.769961]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  420.774995]  ? find_held_lock+0x36/0x1c0
[  420.779068]  ? ____cache_alloc_node+0x1c7/0x1e0
[  420.783747]  ? lock_downgrade+0x900/0x900
[  420.787910]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.793570]  cache_grow_begin+0xa5/0x8c0
[  420.797636]  ? do_raw_spin_unlock+0xa7/0x330
[  420.802059]  fallback_alloc+0x204/0x2e0
[  420.806041]  ____cache_alloc_node+0x1c7/0x1e0
[  420.810547]  kmem_cache_alloc_node+0xe3/0x730
[  420.815047]  ? ipv6_get_ifaddr+0x42e/0x620
[  420.819295]  __alloc_skb+0x119/0x770
[  420.823008]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  420.828294]  ? netdev_alloc_frag+0x1f0/0x1f0
[  420.832706]  ? lock_downgrade+0x900/0x900
[  420.836874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.842411]  ? refcount_sub_and_test_checked+0x203/0x310
[  420.847872]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  420.853325]  ? addrconf_rs_timer+0x690/0x690
[  420.857754]  ndisc_alloc_skb+0x144/0x340
[  420.861825]  ndisc_send_rs+0x331/0x6e0
[  420.865722]  addrconf_rs_timer+0x314/0x690
[  420.869974]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.874227]  call_timer_fn+0x272/0x920
[  420.878117]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.882358]  ? process_timeout+0x40/0x40
[  420.886432]  ? mark_held_locks+0xc7/0x130
[  420.890591]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.895088]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.899583]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.903820]  ? lockdep_hardirqs_on+0x296/0x5b0
[  420.908407]  ? trace_hardirqs_on+0xbd/0x310
[  420.912730]  ? kasan_check_read+0x11/0x20
[  420.916890]  ? __run_timers+0x7da/0xc70
[  420.920871]  ? trace_hardirqs_off_caller+0x310/0x310
[  420.925979]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.930219]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.934462]  __run_timers+0x7e5/0xc70
[  420.938282]  ? timer_fixup_init+0x70/0x70
[  420.942438]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  420.947457]  ? zap_class+0x640/0x640
[  420.951175]  ? print_usage_bug+0xc0/0xc0
[  420.955240]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  420.960444]  ? find_held_lock+0x36/0x1c0
[  420.964527]  ? zap_class+0x640/0x640
[  420.968246]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.973796]  ? check_preemption_disabled+0x48/0x280
[  420.978821]  ? __lock_is_held+0xb5/0x140
[  420.982887]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.988427]  ? check_preemption_disabled+0x48/0x280
[  420.993459]  run_timer_softirq+0x52/0xb0
[  420.997553]  ? rcu_read_lock_sched_held+0x14f/0x180
[  421.002571]  __do_softirq+0x308/0xb7e
[  421.006377]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  421.010873]  ? lock_downgrade+0x900/0x900
[  421.015024]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  421.020138]  ? pvclock_read_flags+0x160/0x160
[  421.024636]  ? lapic_next_event+0x5a/0x90
[  421.028792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.034340]  ? kvm_clock_read+0x18/0x30
[  421.038318]  ? kvm_sched_clock_read+0x9/0x20
[  421.042729]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.048284]  ? check_preemption_disabled+0x48/0x280
[  421.053316]  irq_exit+0x17f/0x1c0
[  421.056782]  smp_apic_timer_interrupt+0x1cb/0x760
[  421.061624]  ? smp_reschedule_interrupt+0x109/0x650
[  421.066646]  ? smp_call_function_single_interrupt+0x650/0x650
[  421.072534]  ? interrupt_entry+0xb5/0xc0
[  421.076604]  ? trace_hardirqs_off_caller+0xbb/0x310
[  421.081621]  ? trace_hardirqs_off_caller+0xbb/0x310
[  421.086644]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  421.091492]  ? trace_hardirqs_on_caller+0x310/0x310
[  421.096511]  ? trace_hardirqs_on_caller+0x310/0x310
[  421.101545]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  421.106400]  apic_timer_interrupt+0xf/0x20
[  421.110631]  </IRQ>
[  421.112875] RIP: 0010:dump_stack+0x358/0x39d
[  421.117287] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 a1 9c fd f9 48 83 3d 29 00 8d 01 00 0f 84 63 fe ff ff e8 ee 69 ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db 69 ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  421.136192] RSP: 0000:ffff8801b9cce1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  421.143903] RAX: ffff8801d71b2040 RBX: 1ffffffff12a3f46 RCX: 1ffff1003ae36526
[  421.151176] RDX: 0000000000000000 RSI: ffffffff87c4fa12 RDI: 0000000000000293
[  421.158446] RBP: ffff8801b9cce290 R08: ffff8801d71b2930 R09: 0000000000000006
[  421.165712] R10: 0000000000000000 R11: ffff8801d71b2040 R12: 1ffff10037399c45
[  421.173002] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  421.180299]  ? dump_stack+0x34f/0x39d
[  421.184114]  ? dump_stack_print_info.cold.1+0x20/0x20
[  421.189314]  ? mark_held_locks+0x130/0x130
[  421.193555]  ? mark_held_locks+0x130/0x130
[  421.197800]  dump_header+0x27b/0xf72
[  421.201535]  ? pagefault_out_of_memory+0x197/0x197
[  421.206481]  ? __lock_acquire+0x62f/0x4c20
[  421.210718]  ? percpu_ref_get_many+0x240/0x240
[  421.215314]  ? print_usage_bug+0xc0/0xc0
[  421.219386]  ? zap_class+0x640/0x640
[  421.223102]  ? print_usage_bug+0xc0/0xc0
[  421.227163]  ? print_usage_bug+0xc0/0xc0
[  421.231227]  ? zap_class+0x640/0x640
[  421.234951]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.240494]  ? find_held_lock+0x36/0x1c0
[  421.244584]  ? mark_held_locks+0xc7/0x130
[  421.248748]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  421.253857]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  421.258963]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  421.263549]  ? trace_hardirqs_on+0xbd/0x310
[  421.267880]  ? kasan_check_read+0x11/0x20
[  421.272031]  ? ___ratelimit+0x3b4/0x672
[  421.276008]  ? trace_hardirqs_off_caller+0x310/0x310
[  421.281112]  ? trace_hardirqs_on+0x310/0x310
[  421.285521]  ? lock_downgrade+0x900/0x900
[  421.289679]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  421.294785]  ? ___ratelimit+0x3b9/0x672
[  421.298768]  ? idr_get_free+0xf80/0xf80
[  421.302760]  ? find_held_lock+0x36/0x1c0
[  421.306835]  oom_kill_process.cold.27+0x10/0x903
[  421.311599]  ? zap_class+0x640/0x640
[  421.315320]  ? check_preemption_disabled+0x48/0x280
[  421.320344]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  421.325279]  ? kasan_check_read+0x11/0x20
[  421.329426]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  421.334707]  ? oom_evaluate_task+0x540/0x540
[  421.339127]  ? find_held_lock+0x36/0x1c0
[  421.343199]  ? out_of_memory+0x974/0x1430
[  421.347351]  ? lock_downgrade+0x900/0x900
[  421.351502]  ? check_preemption_disabled+0x48/0x280
[  421.356522]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  421.361452]  ? kasan_check_read+0x11/0x20
[  421.365603]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  421.370883]  ? rcu_softirq_qs+0x20/0x20
[  421.374864]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.380400]  ? oom_evaluate_task+0x302/0x540
[  421.384818]  out_of_memory+0xa84/0x1430
[  421.388806]  ? oom_killer_disable+0x3a0/0x3a0
[  421.393305]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  421.398241]  ? __ww_mutex_check_waiters+0x160/0x160
[  421.403284]  __alloc_pages_slowpath+0x2354/0x2e10
[  421.408157]  ? warn_alloc+0x120/0x120
[  421.411959]  ? mark_held_locks+0x130/0x130
[  421.416200]  ? find_get_entry+0xaae/0x1120
[  421.420449]  ? filemap_map_pages+0x1a20/0x1a20
[  421.425037]  ? zap_class+0x640/0x640
[  421.428780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.434320]  ? check_preemption_disabled+0x48/0x280
[  421.439350]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.444889]  ? should_fail+0x22d/0xd01
[  421.448876]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  421.453984]  ? zap_class+0x640/0x640
[  421.457726]  ? __lock_is_held+0xb5/0x140
[  421.461807]  ? mark_held_locks+0x130/0x130
[  421.466049]  ? lock_release+0xa00/0xa00
[  421.470025]  ? perf_trace_sched_process_exec+0x860/0x860
[  421.475478]  ? xa_load+0x2ba/0x460
[  421.479021]  ? lock_downgrade+0x900/0x900
[  421.483177]  ? __might_sleep+0x95/0x190
[  421.487162]  __alloc_pages_nodemask+0xa80/0xde0
[  421.491841]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  421.496866]  ? __page_cache_alloc+0x191/0x5c0
[  421.501362]  ? xa_load+0x2e1/0x460
[  421.504906]  ? xa_clear_mark+0x40/0x40
[  421.508800]  ? zap_class+0x640/0x640
[  421.512526]  ? zap_class+0x640/0x640
[  421.516244]  ? zap_class+0x640/0x640
[  421.519976]  ? __do_page_cache_readahead+0x663/0x810
[  421.525093]  ? find_held_lock+0x36/0x1c0
[  421.529165]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  421.534710]  alloc_pages_current+0x173/0x350
[  421.539137]  __page_cache_alloc+0x38c/0x5c0
[  421.543476]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  421.548404]  ? kasan_check_read+0x11/0x20
[  421.552551]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  421.557838]  ? generic_perform_write+0x6a0/0x6a0
[  421.562598]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.568155]  ? check_preemption_disabled+0x48/0x280
[  421.573183]  filemap_fault+0x1595/0x25f0
[  421.577266]  ? __lock_page_or_retry+0xa00/0xa00
[  421.581949]  ? mark_held_locks+0x130/0x130
[  421.586193]  ? filemap_map_pages+0xd6b/0x1a20
[  421.590691]  ? lock_downgrade+0x900/0x900
[  421.594846]  ? check_preemption_disabled+0x48/0x280
[  421.599871]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  421.604809]  ? kasan_check_read+0x11/0x20
[  421.608956]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  421.614233]  ? rcu_softirq_qs+0x20/0x20
[  421.618229]  ? filemap_map_pages+0xd92/0x1a20
[  421.622733]  ? __lock_acquire+0x62f/0x4c20
[  421.626992]  ? find_get_entries_tag+0x1400/0x1400
[  421.631858]  ? lock_acquire+0x1ed/0x520
[  421.635837]  ? ext4_filemap_fault+0x7a/0xad
[  421.640167]  ? lock_release+0xa00/0xa00
[  421.644144]  ? perf_trace_sched_process_exec+0x860/0x860
[  421.649595]  ? print_usage_bug+0xc0/0xc0
[  421.653662]  ? print_usage_bug+0xc0/0xc0
[  421.657735]  ? down_read+0x8d/0x120
[  421.661370]  ? ext4_filemap_fault+0x7a/0xad
[  421.665697]  ? __down_interruptible+0x700/0x700
[  421.670376]  ext4_filemap_fault+0x82/0xad
[  421.674532]  __do_fault+0x100/0x6b0
[  421.678168]  ? pmd_devmap_trans_unstable+0x220/0x220
[  421.683280]  ? mark_held_locks+0x130/0x130
[  421.687518]  ? mark_held_locks+0x130/0x130
[  421.691759]  ? __might_fault+0x12b/0x1e0
[  421.695825]  ? lock_downgrade+0x900/0x900
[  421.699981]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.705527]  __handle_mm_fault+0x3ea6/0x5be0
[  421.709949]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  421.714809]  ? kasan_check_read+0x11/0x20
[  421.718959]  ? _copy_to_user+0xc8/0x110
[  421.722943]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.728496]  ? zap_class+0x640/0x640
[  421.732209]  ? zap_class+0x640/0x640
[  421.735930]  ? find_held_lock+0x36/0x1c0
[  421.740004]  ? handle_mm_fault+0x42a/0xc70
[  421.744243]  ? lock_downgrade+0x900/0x900
[  421.748399]  ? check_preemption_disabled+0x48/0x280
[  421.753422]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  421.758354]  ? kasan_check_read+0x11/0x20
[  421.762504]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  421.767782]  ? rcu_softirq_qs+0x20/0x20
[  421.772028]  ? trace_hardirqs_off_caller+0x310/0x310
[  421.777141]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.782682]  ? check_preemption_disabled+0x48/0x280
[  421.787709]  handle_mm_fault+0x54f/0xc70
[  421.791786]  ? __handle_mm_fault+0x5be0/0x5be0
[  421.796375]  ? find_vma+0x34/0x190
[  421.799922]  __do_page_fault+0x5e8/0xe60
[  421.803986]  ? trace_hardirqs_off+0xb8/0x310
[  421.808396]  ? retint_kernel+0x2d/0x2d
[  421.812299]  do_page_fault+0xf2/0x7e0
[  421.816106]  ? vmalloc_sync_all+0x30/0x30
[  421.820279]  ? error_entry+0x70/0xd0
[  421.824008]  ? trace_hardirqs_off_caller+0xbb/0x310
[  421.829033]  ? trace_hardirqs_on_caller+0xc0/0x310
[  421.833964]  ? syscall_return_slowpath+0x5e0/0x5e0
[  421.838895]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  421.843753]  ? trace_hardirqs_on_caller+0x310/0x310
[  421.848780]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  421.854238]  ? prepare_exit_to_usermode+0x291/0x3b0
[  421.859271]  ? page_fault+0x8/0x30
[  421.862821]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  421.867668]  ? page_fault+0x8/0x30
[  421.871234]  page_fault+0x1e/0x30
[  421.874691] RIP: 0033:0x45d911
[  421.877894] Code: Bad RIP value.
[  421.881258] RSP: 002b:000000c420035f18 EFLAGS: 00010246
[  421.886620] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 000000000045d911
[  421.893889] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  421.901160] RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
[  421.908908] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  421.916180] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  421.923475] warn_alloc_show_mem: 1 callbacks suppressed
[  421.923488] CPU: 0 PID: 11721 Comm: syz-executor5 Not tainted 4.19.0+ #74
[  421.923490] Mem-Info:
[  421.923520] active_anon:50643 inactive_anon:847 isolated_anon:0
[  421.923520]  active_file:14 inactive_file:13 isolated_file:0
[  421.923520]  unevictable:0 dirty:0 writeback:0 unstable:0
[  421.923520]  slab_reclaimable:9230 slab_unreclaimable:1469886
[  421.923520]  mapped:49154 shmem:854 pagetables:629 bounce:0
[  421.923520]  free:13794 free_pcp:158 free_cma:0
[  421.928859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  421.928868] Call Trace:
[  421.935804] Node 0 active_anon:202572kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3416kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  421.938200]  <IRQ>
[  421.971070] 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
[  421.980425]  dump_stack+0x244/0x39d
[  421.982984] lowmem_reserve[]: 0 2818 6321 6321
[  422.010656]  ? dump_stack_print_info.cold.1+0x20/0x20
[  422.012784] Node 0 DMA32 free:25280kB min:30052kB low:37564kB high:45076kB active_anon:236kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  422.038902]  warn_alloc.cold.116+0xb7/0x1bd
[  422.042498] lowmem_reserve[]: 0 0 3503 3503
[  422.047075]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  422.052240] Node 0 Normal free:13988kB min:37364kB low:46704kB high:56044kB active_anon:202336kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:412kB local_pcp:252kB free_cma:0kB
[  422.079735]  ? lock_downgrade+0x900/0x900
[  422.084041] lowmem_reserve[]: 0 0 0 0
[  422.088380]  ? trace_hardirqs_off+0xb8/0x310
[  422.093193] 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
[  422.122171]  ? trace_hardirqs_off+0xb8/0x310
[  422.126295] Node 0 DMA32: 2*4kB (H) 3*8kB (UMH) 2*16kB (M) 2*32kB (MH) 5*64kB (MH) 4*128kB (M) 5*256kB (MH) 5*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 25280kB
[  422.130095]  __alloc_pages_slowpath+0x26e8/0x2e10
[  422.134471] Node 0 Normal: 737*4kB (UMEH) 442*8kB (UME) 213*16kB (UME) 70*32kB (UME) 7*64kB (UMH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13988kB
[  422.148014]  ? warn_alloc+0x120/0x120
[  422.152381] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  422.167807]  ? print_usage_bug+0xc0/0xc0
[  422.172648] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  422.188010]  ? warn_alloc+0x120/0x120
[  422.191788] 881 total pagecache pages
[  422.200621]  ? warn_alloc+0x120/0x120
[  422.204671] 0 pages in swap cache
[  422.213239]  ? print_usage_bug+0xc0/0xc0
[  422.217019] Swap cache stats: add 0, delete 0, find 0/0
[  422.217028] Free swap  = 0kB
[  422.220822]  ? print_usage_bug+0xc0/0xc0
[  422.224592] Total swap = 0kB
[  422.224600] 1965979 pages RAM
[  422.228051]  ? __lock_acquire+0x62f/0x4c20
[  422.232093] 0 pages HighMem/MovableOnly
[  422.237451]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.240447] 342858 pages reserved
[  422.244500]  ? should_fail+0x22d/0xd01
[  422.247487] 0 pages cma reserved
[  422.247559] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  422.250593]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  422.254896] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  422.258786]  ? __lock_acquire+0x62f/0x4c20
[  422.264297] syz-fuzzer cpuset=/ mems_allowed=0
[  422.267767]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  422.310618]  ? __lock_acquire+0x62f/0x4c20
[  422.314852]  ? should_fail+0x22d/0xd01
[  422.318756]  ? find_held_lock+0x36/0x1c0
[  422.322833]  ? mark_held_locks+0x130/0x130
[  422.327072]  ? mark_held_locks+0x130/0x130
[  422.331305]  ? zap_class+0x640/0x640
[  422.335022]  ? zap_class+0x640/0x640
[  422.338748]  ? print_usage_bug+0xc0/0xc0
[  422.342814]  ? do_raw_spin_unlock+0xa7/0x330
[  422.347222]  ? zap_class+0x640/0x640
[  422.350937]  ? print_usage_bug+0xc0/0xc0
[  422.354996]  ? wq_watchdog_touch+0x9c/0xfe
[  422.359236]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.364781]  ? check_preemption_disabled+0x48/0x280
[  422.369808]  ? __lock_is_held+0xb5/0x140
[  422.373877]  __alloc_pages_nodemask+0xa80/0xde0
[  422.378544]  ? zap_class+0x640/0x640
[  422.382278]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  422.387311]  ? find_held_lock+0x36/0x1c0
[  422.391384]  ? ____cache_alloc_node+0x1c7/0x1e0
[  422.396060]  ? lock_downgrade+0x900/0x900
[  422.400221]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.405776]  cache_grow_begin+0xa5/0x8c0
[  422.409839]  ? do_raw_spin_unlock+0xa7/0x330
[  422.414265]  fallback_alloc+0x204/0x2e0
[  422.418247]  ____cache_alloc_node+0x1c7/0x1e0
[  422.422761]  kmem_cache_alloc_node+0xe3/0x730
[  422.427256]  ? ipv6_get_ifaddr+0x42e/0x620
[  422.431503]  __alloc_skb+0x119/0x770
[  422.435216]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  422.440504]  ? netdev_alloc_frag+0x1f0/0x1f0
[  422.444915]  ? lock_downgrade+0x900/0x900
[  422.449074]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.454613]  ? refcount_sub_and_test_checked+0x203/0x310
[  422.460071]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  422.465538]  ? addrconf_rs_timer+0x690/0x690
[  422.469963]  ndisc_alloc_skb+0x144/0x340
[  422.474028]  ndisc_send_rs+0x331/0x6e0
[  422.477940]  addrconf_rs_timer+0x314/0x690
[  422.482214]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  422.486460]  call_timer_fn+0x272/0x920
[  422.490344]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  422.494584]  ? process_timeout+0x40/0x40
[  422.498658]  ? __run_timers+0x7da/0xc70
[  422.502638]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.507136]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.511627]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  422.515864]  ? lockdep_hardirqs_on+0x296/0x5b0
[  422.520450]  ? trace_hardirqs_on+0xbd/0x310
[  422.524778]  ? kasan_check_read+0x11/0x20
[  422.528925]  ? __run_timers+0x7da/0xc70
[  422.532901]  ? trace_hardirqs_off_caller+0x310/0x310
[  422.538049]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  422.542290]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  422.546529]  __run_timers+0x7e5/0xc70
[  422.550345]  ? timer_fixup_init+0x70/0x70
[  422.554528]  ? kasan_check_read+0x11/0x20
[  422.558678]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  422.563953]  ? rcu_softirq_qs+0x20/0x20
[  422.567933]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.573473]  ? check_preemption_disabled+0x48/0x280
[  422.578496]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  422.583261]  ? retint_kernel+0x2d/0x2d
[  422.587152]  ? trace_hardirqs_on_caller+0xc0/0x310
[  422.592090]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  422.596853]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  422.602312]  ? zap_class+0x640/0x640
[  422.606033]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.611571]  ? check_preemption_disabled+0x48/0x280
[  422.616599]  ? __lock_is_held+0xb5/0x140
[  422.620664]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.626203]  ? check_preemption_disabled+0x48/0x280
[  422.631237]  run_timer_softirq+0x52/0xb0
[  422.635303]  ? rcu_read_lock_sched_held+0x14f/0x180
[  422.640320]  __do_softirq+0x308/0xb7e
[  422.644142]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  422.648641]  ? lock_downgrade+0x900/0x900
[  422.652812]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  422.657924]  ? pvclock_read_flags+0x160/0x160
[  422.662423]  ? lapic_next_event+0x5a/0x90
[  422.666573]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.672117]  ? kvm_clock_read+0x18/0x30
[  422.676092]  ? kvm_sched_clock_read+0x9/0x20
[  422.680507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.686047]  ? check_preemption_disabled+0x48/0x280
[  422.691077]  irq_exit+0x17f/0x1c0
[  422.694539]  smp_apic_timer_interrupt+0x1cb/0x760
[  422.699384]  ? smp_reschedule_interrupt+0x109/0x650
[  422.704402]  ? smp_call_function_single_interrupt+0x650/0x650
[  422.710289]  ? interrupt_entry+0xb5/0xc0
[  422.714352]  ? trace_hardirqs_off_caller+0xbb/0x310
[  422.719371]  ? trace_hardirqs_off_caller+0xbb/0x310
[  422.724390]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  422.729235]  ? trace_hardirqs_on_caller+0x310/0x310
[  422.734251]  ? trace_hardirqs_on_caller+0x310/0x310
[  422.739268]  ? task_prio+0x50/0x50
[  422.742817]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.748357]  ? check_preemption_disabled+0x48/0x280
[  422.753381]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  422.758240]  apic_timer_interrupt+0xf/0x20
[  422.762469]  </IRQ>
[  422.764709] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  422.769646] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 14
[  422.789021] RSP: 0000:ffff8801bf14f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  422.796731] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  422.804012] RDX: 0000000000000000 RSI: ffff8801b68a4c40 RDI: 0000000000000286
[  422.811280] RBP: ffff8801bf14f7a0 R08: ffff8801b68a43c0 R09: 0000000000000000
[  422.818545] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  422.825831] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  422.833145]  skb_clone+0x1bb/0x500
[  422.836687]  ? finish_task_switch+0x2f4/0x910
[  422.841202]  ? skb_split+0x11e0/0x11e0
[  422.845097]  ? preempt_notifier_register+0x200/0x200
[  422.850201]  ? __switch_to_asm+0x34/0x70
[  422.854260]  ? __switch_to_asm+0x34/0x70
[  422.858322]  ? __switch_to_asm+0x40/0x70
[  422.862381]  ? __switch_to_asm+0x34/0x70
[  422.866442]  ? __switch_to_asm+0x40/0x70
[  422.870500]  ? __switch_to_asm+0x34/0x70
[  422.874562]  ? __switch_to_asm+0x40/0x70
[  422.878620]  ? __switch_to_asm+0x34/0x70
[  422.882684]  ? __switch_to_asm+0x34/0x70
[  422.886756]  ? __switch_to_asm+0x40/0x70
[  422.890820]  ? __switch_to_asm+0x34/0x70
[  422.894894]  bpf_clone_redirect+0xb9/0x490
[  422.899136]  ? __schedule+0x8d7/0x21d0
[  422.903034]  bpf_prog_bebbfe2050753572+0x6c2/0x1000
[  422.908051]  ? __sched_text_start+0x8/0x8
[  422.912205]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  422.916964]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  422.921548]  ? retint_kernel+0x2d/0x2d
[  422.925441]  ? find_held_lock+0x36/0x1c0
[  422.929512]  ? lock_acquire+0x1ed/0x520
[  422.933492]  ? bpf_test_run+0x3cb/0x780
[  422.937470]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.943010]  ? check_preemption_disabled+0x48/0x280
[  422.948035]  ? kasan_check_read+0x11/0x20
[  422.952186]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  422.957463]  ? rcu_softirq_qs+0x20/0x20
[  422.961439]  ? preempt_schedule+0x4d/0x60
[  422.965591]  ? ___preempt_schedule+0x16/0x18
[  422.970008]  ? bpf_test_run+0x25d/0x780
[  422.973993]  ? netlink_diag_dump+0x2a0/0x2a0
[  422.978406]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.983942]  ? bpf_test_init.isra.10+0x70/0x100
[  422.988615]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  422.993414]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  422.998275]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  423.003818]  ? fput+0x130/0x1a0
[  423.007102]  ? __bpf_prog_get+0x9b/0x290
[  423.011164]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  423.016008]  ? bpf_prog_test_run+0x130/0x1a0
[  423.020421]  ? __x64_sys_bpf+0x3d8/0x520
[  423.024484]  ? bpf_prog_get+0x20/0x20
[  423.028307]  ? do_syscall_64+0x1b9/0x820
[  423.032376]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  423.037755]  ? syscall_return_slowpath+0x5e0/0x5e0
[  423.042686]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.047532]  ? trace_hardirqs_on_caller+0x310/0x310
[  423.052549]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  423.057566]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.063140]  ? prepare_exit_to_usermode+0x291/0x3b0
[  423.068162]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.073014]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  423.078488] CPU: 1 PID: 5666 Comm: syz-fuzzer Not tainted 4.19.0+ #74
[  423.078559] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  423.085065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  423.085071] Call Trace:
[  423.085077]  <IRQ>
[  423.085095]  dump_stack+0x244/0x39d
[  423.085113]  ? dump_stack_print_info.cold.1+0x20/0x20
[  423.091638] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  423.100942]  warn_alloc.cold.116+0xb7/0x1bd
[  423.103492] syz-executor5 cpuset=syz5 mems_allowed=0
[  423.105635]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  423.139122]  ? lock_downgrade+0x900/0x900
[  423.143284]  ? trace_hardirqs_off+0xb8/0x310
[  423.147703]  ? trace_hardirqs_off+0xb8/0x310
[  423.152125]  __alloc_pages_slowpath+0x26e8/0x2e10
[  423.157004]  ? warn_alloc+0x120/0x120
[  423.160811]  ? print_usage_bug+0xc0/0xc0
[  423.164876]  ? warn_alloc+0x120/0x120
[  423.168684]  ? warn_alloc+0x120/0x120
[  423.172487]  ? print_usage_bug+0xc0/0xc0
[  423.176550]  ? kvm_clock_read+0x18/0x30
[  423.180531]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  423.185552]  ? print_usage_bug+0xc0/0xc0
[  423.189616]  ? __lock_acquire+0x62f/0x4c20
[  423.193859]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.199399]  ? should_fail+0x22d/0xd01
[  423.203314]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  423.208594]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  423.213700]  ? __lock_acquire+0x62f/0x4c20
[  423.217940]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  423.223067]  ? __lock_acquire+0x62f/0x4c20
[  423.227304]  ? should_fail+0x22d/0xd01
[  423.231190]  ? rcu_irq_exit+0x1a2/0x390
[  423.235176]  ? mark_held_locks+0x130/0x130
[  423.239419]  ? mark_held_locks+0x130/0x130
[  423.243661]  ? mark_held_locks+0xc7/0x130
[  423.247812]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  423.252833]  ? zap_class+0x640/0x640
[  423.256546]  ? print_usage_bug+0xc0/0xc0
[  423.260613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.266157]  ? check_preemption_disabled+0x48/0x280
[  423.271183]  ? __lock_is_held+0xb5/0x140
[  423.275256]  __alloc_pages_nodemask+0xa80/0xde0
[  423.279926]  ? zap_class+0x640/0x640
[  423.283645]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  423.288675]  ? find_held_lock+0x36/0x1c0
[  423.292756]  ? ____cache_alloc_node+0x1c7/0x1e0
[  423.297429]  ? lock_downgrade+0x900/0x900
[  423.301585]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.307133]  cache_grow_begin+0xa5/0x8c0
[  423.311195]  ? do_raw_spin_unlock+0xa7/0x330
[  423.315614]  fallback_alloc+0x204/0x2e0
[  423.319597]  ____cache_alloc_node+0x1c7/0x1e0
[  423.324103]  kmem_cache_alloc_node+0xe3/0x730
[  423.328598]  ? ipv6_get_ifaddr+0x42e/0x620
[  423.332848]  __alloc_skb+0x119/0x770
[  423.336560]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  423.341843]  ? netdev_alloc_frag+0x1f0/0x1f0
[  423.346256]  ? lock_downgrade+0x900/0x900
[  423.350413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.355950]  ? refcount_sub_and_test_checked+0x203/0x310
[  423.361408]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  423.366860]  ? addrconf_rs_timer+0x690/0x690
[  423.371291]  ndisc_alloc_skb+0x144/0x340
[  423.375358]  ndisc_send_rs+0x331/0x6e0
[  423.379255]  addrconf_rs_timer+0x314/0x690
[  423.383499]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.387753]  call_timer_fn+0x272/0x920
[  423.391643]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.395882]  ? process_timeout+0x40/0x40
[  423.400297]  ? mark_held_locks+0xc7/0x130
[  423.404455]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.408959]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.413458]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.417694]  ? lockdep_hardirqs_on+0x296/0x5b0
[  423.422286]  ? trace_hardirqs_on+0xbd/0x310
[  423.426608]  ? kasan_check_read+0x11/0x20
[  423.430762]  ? __run_timers+0x7da/0xc70
[  423.434749]  ? trace_hardirqs_off_caller+0x310/0x310
[  423.439859]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.444106]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.448358]  __run_timers+0x7e5/0xc70
[  423.452172]  ? timer_fixup_init+0x70/0x70
[  423.456324]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  423.461345]  ? zap_class+0x640/0x640
[  423.465065]  ? print_usage_bug+0xc0/0xc0
[  423.469129]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  423.474328]  ? find_held_lock+0x36/0x1c0
[  423.478395]  ? zap_class+0x640/0x640
[  423.482116]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.487658]  ? check_preemption_disabled+0x48/0x280
[  423.492685]  ? __lock_is_held+0xb5/0x140
[  423.496785]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.502324]  ? check_preemption_disabled+0x48/0x280
[  423.507369]  run_timer_softirq+0x52/0xb0
[  423.511435]  ? rcu_read_lock_sched_held+0x14f/0x180
[  423.516452]  __do_softirq+0x308/0xb7e
[  423.520289]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  423.524796]  ? lock_downgrade+0x900/0x900
[  423.528947]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  423.534059]  ? pvclock_read_flags+0x160/0x160
[  423.538577]  ? lapic_next_event+0x5a/0x90
[  423.542731]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.548289]  ? kvm_clock_read+0x18/0x30
[  423.552271]  ? kvm_sched_clock_read+0x9/0x20
[  423.556683]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.562223]  ? check_preemption_disabled+0x48/0x280
[  423.567261]  irq_exit+0x17f/0x1c0
[  423.570723]  smp_apic_timer_interrupt+0x1cb/0x760
[  423.575577]  ? smp_reschedule_interrupt+0x109/0x650
[  423.580599]  ? smp_call_function_single_interrupt+0x650/0x650
[  423.586486]  ? interrupt_entry+0xb5/0xc0
[  423.590548]  ? trace_hardirqs_off_caller+0xbb/0x310
[  423.595562]  ? trace_hardirqs_off_caller+0xbb/0x310
[  423.600583]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.605427]  ? trace_hardirqs_on_caller+0x310/0x310
[  423.610446]  ? trace_hardirqs_on_caller+0x310/0x310
[  423.615473]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.620330]  apic_timer_interrupt+0xf/0x20
[  423.624556]  </IRQ>
[  423.626795] RIP: 0010:dump_stack+0x358/0x39d
[  423.631204] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 a1 9c fd f9 48 83 3d 29 00 8d 01 00 0f 84 63 fe ff ff e8 ee 69 ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db 69 ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  423.650120] RSP: 0000:ffff8801b9cce1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  423.657827] RAX: ffff8801d71b2040 RBX: 1ffffffff12a3f46 RCX: 1ffff1003ae36526
[  423.665095] RDX: 0000000000000000 RSI: ffffffff87c4fa12 RDI: 0000000000000293
[  423.672367] RBP: ffff8801b9cce290 R08: ffff8801d71b2930 R09: 0000000000000006
[  423.679655] R10: 0000000000000000 R11: ffff8801d71b2040 R12: 1ffff10037399c45
[  423.686927] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  423.694220]  ? dump_stack+0x34f/0x39d
[  423.698040]  ? dump_stack_print_info.cold.1+0x20/0x20
[  423.703241]  ? mark_held_locks+0x130/0x130
[  423.707485]  ? mark_held_locks+0x130/0x130
[  423.711726]  dump_header+0x27b/0xf72
[  423.715462]  ? pagefault_out_of_memory+0x197/0x197
[  423.720400]  ? __lock_acquire+0x62f/0x4c20
[  423.724652]  ? percpu_ref_get_many+0x240/0x240
[  423.729237]  ? print_usage_bug+0xc0/0xc0
[  423.733311]  ? zap_class+0x640/0x640
[  423.737032]  ? print_usage_bug+0xc0/0xc0
[  423.741094]  ? print_usage_bug+0xc0/0xc0
[  423.745158]  ? zap_class+0x640/0x640
[  423.748881]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.754423]  ? find_held_lock+0x36/0x1c0
[  423.758494]  ? mark_held_locks+0xc7/0x130
[  423.762648]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  423.767760]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  423.773063]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  423.777650]  ? trace_hardirqs_on+0xbd/0x310
[  423.781975]  ? kasan_check_read+0x11/0x20
[  423.786131]  ? ___ratelimit+0x3b4/0x672
[  423.790105]  ? trace_hardirqs_off_caller+0x310/0x310
[  423.795209]  ? trace_hardirqs_on+0x310/0x310
[  423.799617]  ? lock_downgrade+0x900/0x900
[  423.803781]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  423.808887]  ? ___ratelimit+0x3b9/0x672
[  423.812867]  ? idr_get_free+0xf80/0xf80
[  423.816845]  ? find_held_lock+0x36/0x1c0
[  423.820922]  oom_kill_process.cold.27+0x10/0x903
[  423.825680]  ? zap_class+0x640/0x640
[  423.829400]  ? check_preemption_disabled+0x48/0x280
[  423.834427]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  423.839357]  ? kasan_check_read+0x11/0x20
[  423.843505]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  423.848786]  ? oom_evaluate_task+0x540/0x540
[  423.853200]  ? find_held_lock+0x36/0x1c0
[  423.857268]  ? out_of_memory+0x974/0x1430
[  423.861413]  ? lock_downgrade+0x900/0x900
[  423.865559]  ? check_preemption_disabled+0x48/0x280
[  423.870581]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  423.875517]  ? kasan_check_read+0x11/0x20
[  423.879665]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  423.884944]  ? rcu_softirq_qs+0x20/0x20
[  423.888927]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.894464]  ? oom_evaluate_task+0x302/0x540
[  423.898884]  out_of_memory+0xa84/0x1430
[  423.903408]  ? oom_killer_disable+0x3a0/0x3a0
[  423.907904]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  423.912842]  ? __ww_mutex_check_waiters+0x160/0x160
[  423.917871]  __alloc_pages_slowpath+0x2354/0x2e10
[  423.922754]  ? warn_alloc+0x120/0x120
[  423.926557]  ? mark_held_locks+0x130/0x130
[  423.930799]  ? find_get_entry+0xaae/0x1120
[  423.935046]  ? filemap_map_pages+0x1a20/0x1a20
[  423.939636]  ? zap_class+0x640/0x640
[  423.943361]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.948905]  ? check_preemption_disabled+0x48/0x280
[  423.953925]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.959466]  ? should_fail+0x22d/0xd01
[  423.963364]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  423.968472]  ? zap_class+0x640/0x640
[  423.972214]  ? __lock_is_held+0xb5/0x140
[  423.976298]  ? mark_held_locks+0x130/0x130
[  423.980539]  ? lock_release+0xa00/0xa00
[  423.984514]  ? perf_trace_sched_process_exec+0x860/0x860
[  423.989964]  ? xa_load+0x2ba/0x460
[  423.993511]  ? lock_downgrade+0x900/0x900
[  423.997667]  ? __might_sleep+0x95/0x190
[  424.001650]  __alloc_pages_nodemask+0xa80/0xde0
[  424.006330]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  424.011349]  ? __page_cache_alloc+0x191/0x5c0
[  424.015842]  ? xa_load+0x2e1/0x460
[  424.019387]  ? xa_clear_mark+0x40/0x40
[  424.023286]  ? zap_class+0x640/0x640
[  424.027009]  ? zap_class+0x640/0x640
[  424.030733]  ? zap_class+0x640/0x640
[  424.034462]  ? __do_page_cache_readahead+0x663/0x810
[  424.039572]  ? find_held_lock+0x36/0x1c0
[  424.043644]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  424.049187]  alloc_pages_current+0x173/0x350
[  424.053604]  __page_cache_alloc+0x38c/0x5c0
[  424.057929]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  424.062861]  ? kasan_check_read+0x11/0x20
[  424.067012]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  424.072298]  ? generic_perform_write+0x6a0/0x6a0
[  424.077059]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.082599]  ? check_preemption_disabled+0x48/0x280
[  424.087627]  filemap_fault+0x1595/0x25f0
[  424.091707]  ? __lock_page_or_retry+0xa00/0xa00
[  424.096386]  ? mark_held_locks+0x130/0x130
[  424.100636]  ? filemap_map_pages+0xd6b/0x1a20
[  424.105139]  ? lock_downgrade+0x900/0x900
[  424.109334]  ? check_preemption_disabled+0x48/0x280
[  424.114362]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  424.119298]  ? kasan_check_read+0x11/0x20
[  424.123449]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  424.128735]  ? rcu_softirq_qs+0x20/0x20
[  424.132748]  ? filemap_map_pages+0xd92/0x1a20
[  424.137257]  ? __lock_acquire+0x62f/0x4c20
[  424.141506]  ? find_get_entries_tag+0x1400/0x1400
[  424.146373]  ? lock_acquire+0x1ed/0x520
[  424.150348]  ? ext4_filemap_fault+0x7a/0xad
[  424.154683]  ? lock_release+0xa00/0xa00
[  424.158662]  ? perf_trace_sched_process_exec+0x860/0x860
[  424.164119]  ? print_usage_bug+0xc0/0xc0
[  424.168186]  ? print_usage_bug+0xc0/0xc0
[  424.172268]  ? down_read+0x8d/0x120
[  424.175898]  ? ext4_filemap_fault+0x7a/0xad
[  424.180222]  ? __down_interruptible+0x700/0x700
[  424.184913]  ext4_filemap_fault+0x82/0xad
[  424.189068]  __do_fault+0x100/0x6b0
[  424.192705]  ? pmd_devmap_trans_unstable+0x220/0x220
[  424.197818]  ? mark_held_locks+0x130/0x130
[  424.202083]  ? mark_held_locks+0x130/0x130
[  424.206323]  ? __might_fault+0x12b/0x1e0
[  424.210390]  ? lock_downgrade+0x900/0x900
[  424.214550]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.220102]  __handle_mm_fault+0x3ea6/0x5be0
[  424.224525]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  424.229378]  ? kasan_check_read+0x11/0x20
[  424.233530]  ? _copy_to_user+0xc8/0x110
[  424.237511]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.243070]  ? zap_class+0x640/0x640
[  424.246786]  ? zap_class+0x640/0x640
[  424.250507]  ? find_held_lock+0x36/0x1c0
[  424.254580]  ? handle_mm_fault+0x42a/0xc70
[  424.258818]  ? lock_downgrade+0x900/0x900
[  424.262969]  ? check_preemption_disabled+0x48/0x280
[  424.267992]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  424.272926]  ? kasan_check_read+0x11/0x20
[  424.277077]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  424.282355]  ? rcu_softirq_qs+0x20/0x20
[  424.286333]  ? trace_hardirqs_off_caller+0x310/0x310
[  424.291439]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.296977]  ? check_preemption_disabled+0x48/0x280
[  424.302004]  handle_mm_fault+0x54f/0xc70
[  424.306074]  ? __handle_mm_fault+0x5be0/0x5be0
[  424.310662]  ? find_vma+0x34/0x190
[  424.314214]  __do_page_fault+0x5e8/0xe60
[  424.318278]  ? trace_hardirqs_off+0xb8/0x310
[  424.322691]  ? retint_kernel+0x2d/0x2d
[  424.326588]  do_page_fault+0xf2/0x7e0
[  424.330395]  ? vmalloc_sync_all+0x30/0x30
[  424.334575]  ? error_entry+0x70/0xd0
[  424.338292]  ? trace_hardirqs_off_caller+0xbb/0x310
[  424.343312]  ? trace_hardirqs_on_caller+0xc0/0x310
[  424.348243]  ? syscall_return_slowpath+0x5e0/0x5e0
[  424.353201]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.358046]  ? trace_hardirqs_on_caller+0x310/0x310
[  424.363060]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  424.368519]  ? prepare_exit_to_usermode+0x291/0x3b0
[  424.373556]  ? page_fault+0x8/0x30
[  424.377100]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.381947]  ? page_fault+0x8/0x30
[  424.385492]  page_fault+0x1e/0x30
[  424.388945] RIP: 0033:0x45d911
[  424.392156] Code: Bad RIP value.
[  424.395518] RSP: 002b:000000c420035f18 EFLAGS: 00010246
[  424.400880] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 000000000045d911
[  424.408237] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  424.415507] RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
[  424.422777] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  424.430044] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  424.437340] CPU: 0 PID: 11721 Comm: syz-executor5 Not tainted 4.19.0+ #74
[  424.437346] warn_alloc_show_mem: 1 callbacks suppressed
[  424.437353] Mem-Info:
[  424.444277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  424.449646] active_anon:50643 inactive_anon:847 isolated_anon:0
[  424.449646]  active_file:14 inactive_file:13 isolated_file:0
[  424.449646]  unevictable:0 dirty:0 writeback:0 unstable:0
[  424.449646]  slab_reclaimable:9230 slab_unreclaimable:1469886
[  424.449646]  mapped:49154 shmem:854 pagetables:629 bounce:0
[  424.449646]  free:13794 free_pcp:158 free_cma:0
[  424.452019] Call Trace:
[  424.461409] Node 0 active_anon:202572kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3416kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  424.494262]  <IRQ>
[  424.496849] 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
[  424.524529]  dump_stack+0x244/0x39d
[  424.526655] lowmem_reserve[]: 0 2818 6321 6321
[  424.552777]  ? dump_stack_print_info.cold.1+0x20/0x20
[  424.556383] Node 0 DMA32 free:25280kB min:30052kB low:37564kB high:45076kB active_anon:236kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  424.560967]  warn_alloc.cold.116+0xb7/0x1bd
[  424.566120] lowmem_reserve[]: 0 0 3503 3503
[  424.593623]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  424.597920] Node 0 Normal free:13988kB min:37364kB low:46704kB high:56044kB active_anon:202336kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:412kB local_pcp:252kB free_cma:0kB
[  424.602238]  ? lock_downgrade+0x900/0x900
[  424.607052] lowmem_reserve[]: 0 0 0 0
[  424.636047]  ? trace_hardirqs_off+0xb8/0x310
[  424.640172] 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
[  424.643966]  ? trace_hardirqs_off+0xb8/0x310
[  424.648350] Node 0 DMA32: 2*4kB (H) 3*8kB (UMH) 2*16kB (M) 2*32kB (MH) 5*64kB (MH) 4*128kB (M) 5*256kB (MH) 5*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 25280kB
[  424.661891]  __alloc_pages_slowpath+0x26e8/0x2e10
[  424.666271] Node 0 Normal: 737*4kB (UMEH) 442*8kB (UME) 213*16kB (UME) 70*32kB (UME) 7*64kB (UMH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13988kB
[  424.681816]  ? warn_alloc+0x120/0x120
[  424.686620] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  424.701956]  ? print_usage_bug+0xc0/0xc0
[  424.705739] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  424.714577]  ? warn_alloc+0x120/0x120
[  424.718614] 881 total pagecache pages
[  424.727207]  ? warn_alloc+0x120/0x120
[  424.730989] 0 pages in swap cache
[  424.734786]  ? print_usage_bug+0xc0/0xc0
[  424.738566] Swap cache stats: add 0, delete 0, find 0/0
[  424.742013]  ? print_usage_bug+0xc0/0xc0
[  424.746052] Free swap  = 0kB
[  424.751408]  ? __lock_acquire+0x62f/0x4c20
[  424.755442] Total swap = 0kB
[  424.758458]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.762665] 1965979 pages RAM
[  424.765676]  ? should_fail+0x22d/0xd01
[  424.771190] 0 pages HighMem/MovableOnly
[  424.774294]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  424.778161] 342858 pages reserved
[  424.782129]  ? __lock_acquire+0x62f/0x4c20
[  424.787205] 0 pages cma reserved
[  424.790650]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  424.794920] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  424.798214]  ? __lock_acquire+0x62f/0x4c20
[  424.798229]  ? should_fail+0x22d/0xd01
[  424.803416] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  424.809799]  ? find_held_lock+0x36/0x1c0
[  424.814011] syz-fuzzer cpuset=/ mems_allowed=0
[  424.817898]  ? mark_held_locks+0x130/0x130
[  424.840965]  ? mark_held_locks+0x130/0x130
[  424.845213]  ? zap_class+0x640/0x640
[  424.848930]  ? zap_class+0x640/0x640
[  424.852651]  ? print_usage_bug+0xc0/0xc0
[  424.856711]  ? do_raw_spin_unlock+0xa7/0x330
[  424.861126]  ? zap_class+0x640/0x640
[  424.864839]  ? print_usage_bug+0xc0/0xc0
[  424.868899]  ? wq_watchdog_touch+0x9c/0xfe
[  424.873143]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.878681]  ? check_preemption_disabled+0x48/0x280
[  424.883708]  ? __lock_is_held+0xb5/0x140
[  424.887794]  __alloc_pages_nodemask+0xa80/0xde0
[  424.892463]  ? zap_class+0x640/0x640
[  424.896184]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  424.901214]  ? find_held_lock+0x36/0x1c0
[  424.905293]  ? ____cache_alloc_node+0x1c7/0x1e0
[  424.909969]  ? lock_downgrade+0x900/0x900
[  424.914126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.919674]  cache_grow_begin+0xa5/0x8c0
[  424.923749]  ? do_raw_spin_unlock+0xa7/0x330
[  424.928171]  fallback_alloc+0x204/0x2e0
[  424.932157]  ____cache_alloc_node+0x1c7/0x1e0
[  424.936660]  kmem_cache_alloc_node+0xe3/0x730
[  424.941159]  ? ipv6_get_ifaddr+0x42e/0x620
[  424.945437]  __alloc_skb+0x119/0x770
[  424.949154]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  424.954440]  ? netdev_alloc_frag+0x1f0/0x1f0
[  424.958850]  ? lock_downgrade+0x900/0x900
[  424.963008]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.968545]  ? refcount_sub_and_test_checked+0x203/0x310
[  424.974000]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  424.979451]  ? addrconf_rs_timer+0x690/0x690
[  424.983873]  ndisc_alloc_skb+0x144/0x340
[  424.987942]  ndisc_send_rs+0x331/0x6e0
[  424.991836]  addrconf_rs_timer+0x314/0x690
[  424.996076]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.000322]  call_timer_fn+0x272/0x920
[  425.004206]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.008448]  ? process_timeout+0x40/0x40
[  425.012543]  ? __run_timers+0x7da/0xc70
[  425.016529]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.021029]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.025523]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.029771]  ? lockdep_hardirqs_on+0x296/0x5b0
[  425.034363]  ? trace_hardirqs_on+0xbd/0x310
[  425.038685]  ? kasan_check_read+0x11/0x20
[  425.042838]  ? __run_timers+0x7da/0xc70
[  425.046818]  ? trace_hardirqs_off_caller+0x310/0x310
[  425.051926]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.056165]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.060397]  __run_timers+0x7e5/0xc70
[  425.064211]  ? timer_fixup_init+0x70/0x70
[  425.068365]  ? kasan_check_read+0x11/0x20
[  425.072513]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  425.077791]  ? rcu_softirq_qs+0x20/0x20
[  425.081780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.087325]  ? check_preemption_disabled+0x48/0x280
[  425.092350]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  425.097112]  ? retint_kernel+0x2d/0x2d
[  425.101003]  ? trace_hardirqs_on_caller+0xc0/0x310
[  425.105937]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  425.110694]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  425.116150]  ? zap_class+0x640/0x640
[  425.119870]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.125411]  ? check_preemption_disabled+0x48/0x280
[  425.130438]  ? __lock_is_held+0xb5/0x140
[  425.134499]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.140040]  ? check_preemption_disabled+0x48/0x280
[  425.145065]  run_timer_softirq+0x52/0xb0
[  425.149128]  ? rcu_read_lock_sched_held+0x14f/0x180
[  425.154147]  __do_softirq+0x308/0xb7e
[  425.157950]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  425.162463]  ? lock_downgrade+0x900/0x900
[  425.166616]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  425.171727]  ? pvclock_read_flags+0x160/0x160
[  425.176236]  ? lapic_next_event+0x5a/0x90
[  425.180387]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.185935]  ? kvm_clock_read+0x18/0x30
[  425.189911]  ? kvm_sched_clock_read+0x9/0x20
[  425.194325]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.199869]  ? check_preemption_disabled+0x48/0x280
[  425.204896]  irq_exit+0x17f/0x1c0
[  425.208359]  smp_apic_timer_interrupt+0x1cb/0x760
[  425.213209]  ? smp_reschedule_interrupt+0x109/0x650
[  425.218228]  ? smp_call_function_single_interrupt+0x650/0x650
[  425.224116]  ? interrupt_entry+0xb5/0xc0
[  425.228181]  ? trace_hardirqs_off_caller+0xbb/0x310
[  425.233202]  ? trace_hardirqs_off_caller+0xbb/0x310
[  425.238226]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.243074]  ? trace_hardirqs_on_caller+0x310/0x310
[  425.248091]  ? trace_hardirqs_on_caller+0x310/0x310
[  425.253106]  ? task_prio+0x50/0x50
[  425.256648]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.262189]  ? check_preemption_disabled+0x48/0x280
[  425.267211]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.272066]  apic_timer_interrupt+0xf/0x20
[  425.276298]  </IRQ>
[  425.278540] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  425.283470] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 14
[  425.302373] RSP: 0000:ffff8801bf14f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  425.310080] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  425.317346] RDX: 0000000000000000 RSI: ffff8801b68a4c40 RDI: 0000000000000286
[  425.324613] RBP: ffff8801bf14f7a0 R08: ffff8801b68a43c0 R09: 0000000000000000
[  425.331880] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  425.339149] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  425.346461]  skb_clone+0x1bb/0x500
[  425.350006]  ? finish_task_switch+0x2f4/0x910
[  425.354502]  ? skb_split+0x11e0/0x11e0
[  425.358391]  ? preempt_notifier_register+0x200/0x200
[  425.363496]  ? __switch_to_asm+0x34/0x70
[  425.367561]  ? __switch_to_asm+0x34/0x70
[  425.371621]  ? __switch_to_asm+0x40/0x70
[  425.375682]  ? __switch_to_asm+0x34/0x70
[  425.379747]  ? __switch_to_asm+0x40/0x70
[  425.383814]  ? __switch_to_asm+0x34/0x70
[  425.387876]  ? __switch_to_asm+0x40/0x70
[  425.391935]  ? __switch_to_asm+0x34/0x70
[  425.395998]  ? __switch_to_asm+0x34/0x70
[  425.400056]  ? __switch_to_asm+0x40/0x70
[  425.404117]  ? __switch_to_asm+0x34/0x70
[  425.408189]  bpf_clone_redirect+0xb9/0x490
[  425.412423]  ? __schedule+0x8d7/0x21d0
[  425.416322]  bpf_prog_bebbfe2050753572+0x6c2/0x1000
[  425.421355]  ? __sched_text_start+0x8/0x8
[  425.425519]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  425.430280]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  425.434867]  ? retint_kernel+0x2d/0x2d
[  425.438791]  ? find_held_lock+0x36/0x1c0
[  425.442863]  ? lock_acquire+0x1ed/0x520
[  425.446839]  ? bpf_test_run+0x3cb/0x780
[  425.450833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.456372]  ? check_preemption_disabled+0x48/0x280
[  425.461411]  ? kasan_check_read+0x11/0x20
[  425.465557]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  425.470835]  ? rcu_softirq_qs+0x20/0x20
[  425.474809]  ? preempt_schedule+0x4d/0x60
[  425.478958]  ? ___preempt_schedule+0x16/0x18
[  425.483378]  ? bpf_test_run+0x25d/0x780
[  425.487363]  ? netlink_diag_dump+0x2a0/0x2a0
[  425.491810]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.497348]  ? bpf_test_init.isra.10+0x70/0x100
[  425.502036]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  425.506806]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  425.511658]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  425.517195]  ? fput+0x130/0x1a0
[  425.520477]  ? __bpf_prog_get+0x9b/0x290
[  425.524561]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  425.529401]  ? bpf_prog_test_run+0x130/0x1a0
[  425.533814]  ? __x64_sys_bpf+0x3d8/0x520
[  425.537877]  ? bpf_prog_get+0x20/0x20
[  425.541703]  ? do_syscall_64+0x1b9/0x820
[  425.545775]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  425.551143]  ? syscall_return_slowpath+0x5e0/0x5e0
[  425.556082]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.560928]  ? trace_hardirqs_on_caller+0x310/0x310
[  425.565946]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  425.570965]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.576505]  ? prepare_exit_to_usermode+0x291/0x3b0
[  425.581529]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.586384]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  425.591779] CPU: 1 PID: 5666 Comm: syz-fuzzer Not tainted 4.19.0+ #74
[  425.591903] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  425.598359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  425.598368] Call Trace:
[  425.604932] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  425.614195]  <IRQ>
[  425.616773] syz-executor5 cpuset=syz5 mems_allowed=0
[  425.627260]  dump_stack+0x244/0x39d
[  425.638100]  ? dump_stack_print_info.cold.1+0x20/0x20
[  425.643310]  warn_alloc.cold.116+0xb7/0x1bd
[  425.647641]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  425.652580]  ? lock_downgrade+0x900/0x900
[  425.656750]  ? trace_hardirqs_off+0xb8/0x310
[  425.661172]  ? trace_hardirqs_off+0xb8/0x310
[  425.665626]  __alloc_pages_slowpath+0x26e8/0x2e10
[  425.670501]  ? warn_alloc+0x120/0x120
[  425.674309]  ? print_usage_bug+0xc0/0xc0
[  425.678380]  ? warn_alloc+0x120/0x120
[  425.682190]  ? warn_alloc+0x120/0x120
[  425.685994]  ? print_usage_bug+0xc0/0xc0
[  425.690059]  ? kvm_clock_read+0x18/0x30
[  425.694043]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  425.699068]  ? print_usage_bug+0xc0/0xc0
[  425.703136]  ? __lock_acquire+0x62f/0x4c20
[  425.707379]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.712928]  ? should_fail+0x22d/0xd01
[  425.716826]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  425.721933]  ? __lock_acquire+0x62f/0x4c20
[  425.726174]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  425.731284]  ? __lock_acquire+0x62f/0x4c20
[  425.735521]  ? should_fail+0x22d/0xd01
[  425.739422]  ? mark_held_locks+0x130/0x130
[  425.743664]  ? mark_held_locks+0x130/0x130
[  425.747909]  ? zap_class+0x640/0x640
[  425.751632]  ? print_usage_bug+0xc0/0xc0
[  425.755702]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.761242]  ? check_preemption_disabled+0x48/0x280
[  425.766284]  ? __lock_is_held+0xb5/0x140
[  425.770509]  __alloc_pages_nodemask+0xa80/0xde0
[  425.775173]  ? zap_class+0x640/0x640
[  425.778894]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  425.783927]  ? find_held_lock+0x36/0x1c0
[  425.787999]  ? ____cache_alloc_node+0x1c7/0x1e0
[  425.792671]  ? lock_downgrade+0x900/0x900
[  425.796831]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.802382]  cache_grow_begin+0xa5/0x8c0
[  425.806447]  ? do_raw_spin_unlock+0xa7/0x330
[  425.810867]  fallback_alloc+0x204/0x2e0
[  425.814854]  ____cache_alloc_node+0x1c7/0x1e0
[  425.819363]  kmem_cache_alloc_node+0xe3/0x730
[  425.823860]  ? ipv6_get_ifaddr+0x42e/0x620
[  425.828107]  __alloc_skb+0x119/0x770
[  425.831821]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  425.837110]  ? netdev_alloc_frag+0x1f0/0x1f0
[  425.841523]  ? lock_downgrade+0x900/0x900
[  425.845683]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.851224]  ? refcount_sub_and_test_checked+0x203/0x310
[  425.856687]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  425.862142]  ? addrconf_rs_timer+0x690/0x690
[  425.866568]  ndisc_alloc_skb+0x144/0x340
[  425.870639]  ndisc_send_rs+0x331/0x6e0
[  425.874538]  addrconf_rs_timer+0x314/0x690
[  425.878784]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.883037]  call_timer_fn+0x272/0x920
[  425.886926]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.891173]  ? process_timeout+0x40/0x40
[  425.895264]  ? mark_held_locks+0xc7/0x130
[  425.899426]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.904419]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.908923]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.913166]  ? lockdep_hardirqs_on+0x296/0x5b0
[  425.917762]  ? trace_hardirqs_on+0xbd/0x310
[  425.922092]  ? kasan_check_read+0x11/0x20
[  425.926262]  ? __run_timers+0x7da/0xc70
[  425.930263]  ? trace_hardirqs_off_caller+0x310/0x310
[  425.935393]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.939641]  __run_timers+0x7e5/0xc70
[  425.943478]  ? timer_fixup_init+0x70/0x70
[  425.947637]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  425.952669]  ? zap_class+0x640/0x640
[  425.956408]  ? print_usage_bug+0xc0/0xc0
[  425.960488]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  425.965717]  ? find_held_lock+0x36/0x1c0
[  425.969803]  ? zap_class+0x640/0x640
[  425.973535]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.979089]  ? check_preemption_disabled+0x48/0x280
[  425.984134]  ? __lock_is_held+0xb5/0x140
[  425.988214]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.993778]  ? check_preemption_disabled+0x48/0x280
[  425.998814]  run_timer_softirq+0x52/0xb0
[  426.002891]  ? rcu_read_lock_sched_held+0x14f/0x180
[  426.007916]  __do_softirq+0x308/0xb7e
[  426.011733]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  426.016242]  ? lock_downgrade+0x900/0x900
[  426.020409]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  426.025534]  ? pvclock_read_flags+0x160/0x160
[  426.030040]  ? lapic_next_event+0x5a/0x90
[  426.034204]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.039763]  ? kvm_clock_read+0x18/0x30
[  426.043757]  ? kvm_sched_clock_read+0x9/0x20
[  426.048179]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.053722]  ? check_preemption_disabled+0x48/0x280
[  426.058781]  irq_exit+0x17f/0x1c0
[  426.062260]  smp_apic_timer_interrupt+0x1cb/0x760
[  426.067121]  ? smp_reschedule_interrupt+0x109/0x650
[  426.072156]  ? smp_call_function_single_interrupt+0x650/0x650
[  426.078045]  ? interrupt_entry+0xb5/0xc0
[  426.082119]  ? trace_hardirqs_off_caller+0xbb/0x310
[  426.087151]  ? trace_hardirqs_off_caller+0xbb/0x310
[  426.092190]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  426.097053]  ? trace_hardirqs_on_caller+0x310/0x310
[  426.102083]  ? trace_hardirqs_on_caller+0x310/0x310
[  426.107122]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  426.111977]  apic_timer_interrupt+0xf/0x20
[  426.116209]  </IRQ>
[  426.118461] RIP: 0010:dump_stack+0x358/0x39d
[  426.122873] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 a1 9c fd f9 48 83 3d 29 00 8d 01 00 0f 84 63 fe ff ff e8 ee 69 ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db 69 ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  426.141788] RSP: 0000:ffff8801b9cce1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  426.149531] RAX: ffff8801d71b2040 RBX: 1ffffffff12a3f46 RCX: 1ffff1003ae36526
[  426.156805] RDX: 0000000000000000 RSI: ffffffff87c4fa12 RDI: 0000000000000293
[  426.164080] RBP: ffff8801b9cce290 R08: ffff8801d71b2930 R09: 0000000000000006
[  426.171353] R10: 0000000000000000 R11: ffff8801d71b2040 R12: 1ffff10037399c45
[  426.178623] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  426.185934]  ? dump_stack+0x34f/0x39d
[  426.189763]  ? dump_stack_print_info.cold.1+0x20/0x20
[  426.194966]  ? mark_held_locks+0x130/0x130
[  426.199204]  ? mark_held_locks+0x130/0x130
[  426.203445]  dump_header+0x27b/0xf72
[  426.207173]  ? pagefault_out_of_memory+0x197/0x197
[  426.212144]  ? __lock_acquire+0x62f/0x4c20
[  426.216384]  ? percpu_ref_get_many+0x240/0x240
[  426.220985]  ? print_usage_bug+0xc0/0xc0
[  426.225062]  ? zap_class+0x640/0x640
[  426.228789]  ? print_usage_bug+0xc0/0xc0
[  426.232853]  ? print_usage_bug+0xc0/0xc0
[  426.236919]  ? zap_class+0x640/0x640
[  426.240643]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.246191]  ? find_held_lock+0x36/0x1c0
[  426.250270]  ? mark_held_locks+0xc7/0x130
[  426.254430]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  426.259584]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  426.264694]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  426.269285]  ? trace_hardirqs_on+0xbd/0x310
[  426.273615]  ? kasan_check_read+0x11/0x20
[  426.277773]  ? ___ratelimit+0x3b4/0x672
[  426.281767]  ? trace_hardirqs_off_caller+0x310/0x310
[  426.286891]  ? trace_hardirqs_on+0x310/0x310
[  426.291310]  ? lock_downgrade+0x900/0x900
[  426.295470]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  426.300600]  ? ___ratelimit+0x3b9/0x672
[  426.304583]  ? idr_get_free+0xf80/0xf80
[  426.308563]  ? find_held_lock+0x36/0x1c0
[  426.312639]  oom_kill_process.cold.27+0x10/0x903
[  426.317401]  ? zap_class+0x640/0x640
[  426.321124]  ? check_preemption_disabled+0x48/0x280
[  426.326150]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  426.331086]  ? kasan_check_read+0x11/0x20
[  426.335240]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  426.340534]  ? oom_evaluate_task+0x540/0x540
[  426.344952]  ? find_held_lock+0x36/0x1c0
[  426.349028]  ? out_of_memory+0x974/0x1430
[  426.353182]  ? lock_downgrade+0x900/0x900
[  426.357335]  ? check_preemption_disabled+0x48/0x280
[  426.362363]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  426.367297]  ? kasan_check_read+0x11/0x20
[  426.371449]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  426.376724]  ? rcu_softirq_qs+0x20/0x20
[  426.380716]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.386289]  ? oom_evaluate_task+0x302/0x540
[  426.390711]  out_of_memory+0xa84/0x1430
[  426.394709]  ? oom_killer_disable+0x3a0/0x3a0
[  426.399214]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  426.404148]  ? __ww_mutex_check_waiters+0x160/0x160
[  426.409187]  __alloc_pages_slowpath+0x2354/0x2e10
[  426.414069]  ? warn_alloc+0x120/0x120
[  426.417875]  ? mark_held_locks+0x130/0x130
[  426.422119]  ? find_get_entry+0xaae/0x1120
[  426.426366]  ? filemap_map_pages+0x1a20/0x1a20
[  426.430958]  ? zap_class+0x640/0x640
[  426.434687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.440242]  ? check_preemption_disabled+0x48/0x280
[  426.445362]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.450906]  ? should_fail+0x22d/0xd01
[  426.454835]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  426.459945]  ? zap_class+0x640/0x640
[  426.463685]  ? __lock_is_held+0xb5/0x140
[  426.467763]  ? mark_held_locks+0x130/0x130
[  426.472004]  ? lock_release+0xa00/0xa00
[  426.475984]  ? perf_trace_sched_process_exec+0x860/0x860
[  426.481439]  ? xa_load+0x2ba/0x460
[  426.484987]  ? lock_downgrade+0x900/0x900
[  426.489164]  ? __might_sleep+0x95/0x190
[  426.493150]  __alloc_pages_nodemask+0xa80/0xde0
[  426.497832]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  426.502856]  ? __page_cache_alloc+0x191/0x5c0
[  426.507353]  ? xa_load+0x2e1/0x460
[  426.510896]  ? xa_clear_mark+0x40/0x40
[  426.514788]  ? zap_class+0x640/0x640
[  426.518516]  ? zap_class+0x640/0x640
[  426.522233]  ? zap_class+0x640/0x640
[  426.525955]  ? __do_page_cache_readahead+0x663/0x810
[  426.531070]  ? find_held_lock+0x36/0x1c0
[  426.535144]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  426.540688]  alloc_pages_current+0x173/0x350
[  426.545108]  __page_cache_alloc+0x38c/0x5c0
[  426.549433]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  426.554369]  ? kasan_check_read+0x11/0x20
[  426.558519]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  426.563804]  ? generic_perform_write+0x6a0/0x6a0
[  426.568564]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.574107]  ? check_preemption_disabled+0x48/0x280
[  426.579139]  filemap_fault+0x1595/0x25f0
[  426.583217]  ? __lock_page_or_retry+0xa00/0xa00
[  426.587897]  ? mark_held_locks+0x130/0x130
[  426.592148]  ? filemap_map_pages+0xd6b/0x1a20
[  426.596650]  ? lock_downgrade+0x900/0x900
[  426.600829]  ? check_preemption_disabled+0x48/0x280
[  426.605857]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  426.610792]  ? kasan_check_read+0x11/0x20
[  426.614947]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  426.620228]  ? rcu_softirq_qs+0x20/0x20
[  426.624226]  ? filemap_map_pages+0xd92/0x1a20
[  426.628734]  ? __lock_acquire+0x62f/0x4c20
[  426.632996]  ? find_get_entries_tag+0x1400/0x1400
[  426.637867]  ? lock_acquire+0x1ed/0x520
[  426.642544]  ? ext4_filemap_fault+0x7a/0xad
[  426.646877]  ? lock_release+0xa00/0xa00
[  426.650857]  ? perf_trace_sched_process_exec+0x860/0x860
[  426.656312]  ? print_usage_bug+0xc0/0xc0
[  426.660383]  ? print_usage_bug+0xc0/0xc0
[  426.664458]  ? down_read+0x8d/0x120
[  426.668089]  ? ext4_filemap_fault+0x7a/0xad
[  426.672417]  ? __down_interruptible+0x700/0x700
[  426.677102]  ext4_filemap_fault+0x82/0xad
[  426.681267]  __do_fault+0x100/0x6b0
[  426.684911]  ? pmd_devmap_trans_unstable+0x220/0x220
[  426.690027]  ? mark_held_locks+0x130/0x130
[  426.694273]  ? mark_held_locks+0x130/0x130
[  426.698518]  ? __might_fault+0x12b/0x1e0
[  426.702584]  ? lock_downgrade+0x900/0x900
[  426.706740]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.712302]  __handle_mm_fault+0x3ea6/0x5be0
[  426.716725]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  426.721588]  ? kasan_check_read+0x11/0x20
[  426.725738]  ? _copy_to_user+0xc8/0x110
[  426.729731]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.735305]  ? zap_class+0x640/0x640
[  426.739021]  ? zap_class+0x640/0x640
[  426.742752]  ? find_held_lock+0x36/0x1c0
[  426.746828]  ? handle_mm_fault+0x42a/0xc70
[  426.751065]  ? lock_downgrade+0x900/0x900
[  426.755216]  ? check_preemption_disabled+0x48/0x280
[  426.760237]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  426.765171]  ? kasan_check_read+0x11/0x20
[  426.769323]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  426.774604]  ? rcu_softirq_qs+0x20/0x20
[  426.778596]  ? trace_hardirqs_off_caller+0x310/0x310
[  426.783702]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.789241]  ? check_preemption_disabled+0x48/0x280
[  426.794281]  handle_mm_fault+0x54f/0xc70
[  426.798355]  ? __handle_mm_fault+0x5be0/0x5be0
[  426.802948]  ? find_vma+0x34/0x190
[  426.806495]  __do_page_fault+0x5e8/0xe60
[  426.810558]  ? trace_hardirqs_off+0xb8/0x310
[  426.814968]  ? retint_kernel+0x2d/0x2d
[  426.818874]  do_page_fault+0xf2/0x7e0
[  426.822678]  ? vmalloc_sync_all+0x30/0x30
[  426.826835]  ? error_entry+0x70/0xd0
[  426.830557]  ? trace_hardirqs_off_caller+0xbb/0x310
[  426.835577]  ? trace_hardirqs_on_caller+0xc0/0x310
[  426.840511]  ? syscall_return_slowpath+0x5e0/0x5e0
[  426.845443]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  426.850302]  ? trace_hardirqs_on_caller+0x310/0x310
[  426.855322]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  426.861052]  ? prepare_exit_to_usermode+0x291/0x3b0
[  426.866072]  ? page_fault+0x8/0x30
[  426.869621]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  426.874469]  ? page_fault+0x8/0x30
[  426.878017]  page_fault+0x1e/0x30
[  426.881470] RIP: 0033:0x45d911
[  426.884678] Code: Bad RIP value.
[  426.888037] RSP: 002b:000000c420035f18 EFLAGS: 00010246
[  426.893401] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 000000000045d911
[  426.900701] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  426.907974] RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
[  426.915249] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  426.922528] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  426.929822] warn_alloc_show_mem: 1 callbacks suppressed
[  426.929835] CPU: 0 PID: 11721 Comm: syz-executor5 Not tainted 4.19.0+ #74
[  426.929837] Mem-Info:
[  426.929868] active_anon:50643 inactive_anon:847 isolated_anon:0
[  426.929868]  active_file:14 inactive_file:13 isolated_file:0
[  426.929868]  unevictable:0 dirty:0 writeback:0 unstable:0
[  426.929868]  slab_reclaimable:9230 slab_unreclaimable:1469886
[  426.929868]  mapped:49154 shmem:854 pagetables:629 bounce:0
[  426.929868]  free:13794 free_pcp:158 free_cma:0
[  426.935210] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  426.942142] Node 0 active_anon:202572kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3416kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  426.944543] Call Trace:
[  426.977438] 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
[  426.986802]  <IRQ>
[  427.014475] lowmem_reserve[]: 0 2818 6321 6321
[  427.017065]  dump_stack+0x244/0x39d
[  427.043161] Node 0 DMA32 free:25280kB min:30052kB low:37564kB high:45076kB active_anon:236kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  427.045323]  ? dump_stack_print_info.cold.1+0x20/0x20
[  427.049870] lowmem_reserve[]: 0 0 3503 3503
[  427.053503]  warn_alloc.cold.116+0xb7/0x1bd
[  427.080979] Node 0 Normal free:13988kB min:37364kB low:46704kB high:56044kB active_anon:202336kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:412kB local_pcp:252kB free_cma:0kB
[  427.086177]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  427.090509] lowmem_reserve[]: 0 0 0 0
[  427.094830]  ? lock_downgrade+0x900/0x900
[  427.123790] 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
[  427.128643]  ? trace_hardirqs_off+0xb8/0x310
[  427.132407] Node 0 DMA32: 2*4kB (H) 3*8kB (UMH) 2*16kB (M) 2*32kB (MH) 5*64kB (MH) 4*128kB (M) 5*256kB (MH) 5*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 25280kB
[  427.136549]  ? trace_hardirqs_off+0xb8/0x310
[  427.150049] Node 0 Normal: 737*4kB (UMEH) 442*8kB (UME) 213*16kB (UME) 70*32kB (UME) 7*64kB (UMH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13988kB
[  427.154476]  __alloc_pages_slowpath+0x26e8/0x2e10
[  427.169888] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  427.174315]  ? warn_alloc+0x120/0x120
[  427.189624] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  427.194471]  ? print_usage_bug+0xc0/0xc0
[  427.203281] 881 total pagecache pages
[  427.207078]  ? warn_alloc+0x120/0x120
[  427.215637] 0 pages in swap cache
[  427.219699]  ? warn_alloc+0x120/0x120
[  427.223474] Swap cache stats: add 0, delete 0, find 0/0
[  427.227279]  ? print_usage_bug+0xc0/0xc0
[  427.230704] Free swap  = 0kB
[  427.234498]  ? kvm_clock_read+0x18/0x30
[  427.239838] Total swap = 0kB
[  427.243896]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  427.246891] 1965979 pages RAM
[  427.250864]  ? print_usage_bug+0xc0/0xc0
[  427.253859] 0 pages HighMem/MovableOnly
[  427.258870]  ? __lock_acquire+0x62f/0x4c20
[  427.261949] 342858 pages reserved
[  427.266013]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.269960] 0 pages cma reserved
[  427.274195]  ? should_fail+0x22d/0xd01
[  427.277684] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  427.283145]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  427.283165]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  427.283182]  ? __lock_acquire+0x62f/0x4c20
[  427.286588] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  427.290412]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  427.296883] syz-fuzzer cpuset=/ mems_allowed=0
[  427.302158]  ? __lock_acquire+0x62f/0x4c20
[  427.335681]  ? should_fail+0x22d/0xd01
[  427.339570]  ? rcu_irq_exit+0x1a2/0x390
[  427.343558]  ? mark_held_locks+0x130/0x130
[  427.347805]  ? mark_held_locks+0x130/0x130
[  427.352050]  ? mark_held_locks+0xc7/0x130
[  427.356204]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  427.361224]  ? zap_class+0x640/0x640
[  427.364965]  ? print_usage_bug+0xc0/0xc0
[  427.369036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.374580]  ? check_preemption_disabled+0x48/0x280
[  427.379612]  ? __lock_is_held+0xb5/0x140
[  427.383683]  __alloc_pages_nodemask+0xa80/0xde0
[  427.388359]  ? zap_class+0x640/0x640
[  427.392084]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  427.397118]  ? find_held_lock+0x36/0x1c0
[  427.401195]  ? ____cache_alloc_node+0x1c7/0x1e0
[  427.405871]  ? lock_downgrade+0x900/0x900
[  427.410030]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.415579]  cache_grow_begin+0xa5/0x8c0
[  427.419646]  ? do_raw_spin_unlock+0xa7/0x330
[  427.424067]  fallback_alloc+0x204/0x2e0
[  427.428055]  ____cache_alloc_node+0x1c7/0x1e0
[  427.432565]  kmem_cache_alloc_node+0xe3/0x730
[  427.437072]  ? ipv6_get_ifaddr+0x42e/0x620
[  427.441323]  __alloc_skb+0x119/0x770
[  427.445044]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  427.450340]  ? netdev_alloc_frag+0x1f0/0x1f0
[  427.454771]  ? lock_downgrade+0x900/0x900
[  427.458940]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.464481]  ? refcount_sub_and_test_checked+0x203/0x310
[  427.469934]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  427.475385]  ? addrconf_rs_timer+0x690/0x690
[  427.479809]  ndisc_alloc_skb+0x144/0x340
[  427.483880]  ndisc_send_rs+0x331/0x6e0
[  427.487783]  addrconf_rs_timer+0x314/0x690
[  427.492027]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  427.496277]  call_timer_fn+0x272/0x920
[  427.500167]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  427.504402]  ? process_timeout+0x40/0x40
[  427.508472]  ? __run_timers+0x7da/0xc70
[  427.512453]  ? _raw_spin_unlock_irq+0x27/0x80
[  427.516950]  ? _raw_spin_unlock_irq+0x27/0x80
[  427.521443]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  427.525681]  ? lockdep_hardirqs_on+0x296/0x5b0
[  427.530267]  ? trace_hardirqs_on+0xbd/0x310
[  427.534594]  ? kasan_check_read+0x11/0x20
[  427.538751]  ? __run_timers+0x7da/0xc70
[  427.542734]  ? trace_hardirqs_off_caller+0x310/0x310
[  427.547855]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  427.552095]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  427.556334]  __run_timers+0x7e5/0xc70
[  427.560146]  ? timer_fixup_init+0x70/0x70
[  427.564299]  ? kasan_check_read+0x11/0x20
[  427.568446]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  427.573725]  ? rcu_softirq_qs+0x20/0x20
[  427.577714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.583264]  ? check_preemption_disabled+0x48/0x280
[  427.588310]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  427.593076]  ? retint_kernel+0x2d/0x2d
[  427.596969]  ? trace_hardirqs_on_caller+0xc0/0x310
[  427.601902]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  427.606659]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  427.612114]  ? zap_class+0x640/0x640
[  427.615835]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.621379]  ? check_preemption_disabled+0x48/0x280
[  427.626407]  ? __lock_is_held+0xb5/0x140
[  427.630470]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.636007]  ? check_preemption_disabled+0x48/0x280
[  427.641032]  run_timer_softirq+0x52/0xb0
[  427.645099]  ? rcu_read_lock_sched_held+0x14f/0x180
[  427.650121]  __do_softirq+0x308/0xb7e
[  427.653932]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  427.658430]  ? lock_downgrade+0x900/0x900
[  427.662584]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  427.667697]  ? pvclock_read_flags+0x160/0x160
[  427.672201]  ? lapic_next_event+0x5a/0x90
[  427.676400]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.681947]  ? kvm_clock_read+0x18/0x30
[  427.685923]  ? kvm_sched_clock_read+0x9/0x20
[  427.690338]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.695879]  ? check_preemption_disabled+0x48/0x280
[  427.700907]  irq_exit+0x17f/0x1c0
[  427.704366]  smp_apic_timer_interrupt+0x1cb/0x760
[  427.709226]  ? smp_reschedule_interrupt+0x109/0x650
[  427.714250]  ? smp_call_function_single_interrupt+0x650/0x650
[  427.720136]  ? interrupt_entry+0xb5/0xc0
[  427.724203]  ? trace_hardirqs_off_caller+0xbb/0x310
[  427.729222]  ? trace_hardirqs_off_caller+0xbb/0x310
[  427.734328]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  427.739173]  ? trace_hardirqs_on_caller+0x310/0x310
[  427.744187]  ? trace_hardirqs_on_caller+0x310/0x310
[  427.749206]  ? task_prio+0x50/0x50
[  427.752760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.758303]  ? check_preemption_disabled+0x48/0x280
[  427.763329]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  427.768186]  apic_timer_interrupt+0xf/0x20
[  427.772891]  </IRQ>
[  427.775137] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  427.780676] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 14
[  427.799590] RSP: 0000:ffff8801bf14f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  427.807310] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  427.814582] RDX: 0000000000000000 RSI: ffff8801b68a4c40 RDI: 0000000000000286
[  427.821855] RBP: ffff8801bf14f7a0 R08: ffff8801b68a43c0 R09: 0000000000000000
[  427.829213] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  427.836480] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  427.843808]  skb_clone+0x1bb/0x500
[  427.847358]  ? finish_task_switch+0x2f4/0x910
[  427.851854]  ? skb_split+0x11e0/0x11e0
[  427.855762]  ? preempt_notifier_register+0x200/0x200
[  427.861372]  ? __switch_to_asm+0x34/0x70
[  427.865439]  ? __switch_to_asm+0x34/0x70
[  427.869499]  ? __switch_to_asm+0x40/0x70
[  427.873558]  ? __switch_to_asm+0x34/0x70
[  427.877626]  ? __switch_to_asm+0x40/0x70
[  427.881691]  ? __switch_to_asm+0x34/0x70
[  427.885786]  ? __switch_to_asm+0x40/0x70
[  427.889849]  ? __switch_to_asm+0x34/0x70
[  427.893951]  ? __switch_to_asm+0x34/0x70
[  427.898015]  ? __switch_to_asm+0x40/0x70
[  427.902498]  ? __switch_to_asm+0x34/0x70
[  427.906572]  bpf_clone_redirect+0xb9/0x490
[  427.910810]  ? __schedule+0x8d7/0x21d0
[  427.914706]  bpf_prog_bebbfe2050753572+0x6c2/0x1000
[  427.919726]  ? __sched_text_start+0x8/0x8
[  427.923893]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  427.928654]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  427.933239]  ? retint_kernel+0x2d/0x2d
[  427.937131]  ? find_held_lock+0x36/0x1c0
[  427.941206]  ? lock_acquire+0x1ed/0x520
[  427.945180]  ? bpf_test_run+0x3cb/0x780
[  427.949157]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.954699]  ? check_preemption_disabled+0x48/0x280
[  427.959725]  ? kasan_check_read+0x11/0x20
[  427.963884]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  427.969181]  ? rcu_softirq_qs+0x20/0x20
[  427.973165]  ? preempt_schedule+0x4d/0x60
[  427.977316]  ? ___preempt_schedule+0x16/0x18
[  427.981735]  ? bpf_test_run+0x25d/0x780
[  427.985738]  ? netlink_diag_dump+0x2a0/0x2a0
[  427.990177]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.995723]  ? bpf_test_init.isra.10+0x70/0x100
[  428.000700]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  428.005471]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  428.010314]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  428.015861]  ? fput+0x130/0x1a0
[  428.019146]  ? __bpf_prog_get+0x9b/0x290
[  428.023211]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  428.028059]  ? bpf_prog_test_run+0x130/0x1a0
[  428.032474]  ? __x64_sys_bpf+0x3d8/0x520
[  428.036537]  ? bpf_prog_get+0x20/0x20
[  428.040360]  ? do_syscall_64+0x1b9/0x820
[  428.044426]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  428.049796]  ? syscall_return_slowpath+0x5e0/0x5e0
[  428.054725]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  428.059583]  ? trace_hardirqs_on_caller+0x310/0x310
[  428.064604]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  428.069625]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.075169]  ? prepare_exit_to_usermode+0x291/0x3b0
[  428.080200]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  428.085059]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  428.090446] CPU: 1 PID: 5666 Comm: syz-fuzzer Not tainted 4.19.0+ #74
[  428.090534] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  428.097031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  428.097036] Call Trace:
[  428.097043]  <IRQ>
[  428.097061]  dump_stack+0x244/0x39d
[  428.097079]  ? dump_stack_print_info.cold.1+0x20/0x20
[  428.103645] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  428.112923]  warn_alloc.cold.116+0xb7/0x1bd
[  428.115475] syz-executor5 cpuset=syz5 mems_allowed=0
[  428.117622]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  428.151113]  ? lock_downgrade+0x900/0x900
[  428.155278]  ? trace_hardirqs_off+0xb8/0x310
[  428.159698]  ? trace_hardirqs_off+0xb8/0x310
[  428.164130]  __alloc_pages_slowpath+0x26e8/0x2e10
[  428.169003]  ? warn_alloc+0x120/0x120
[  428.172808]  ? print_usage_bug+0xc0/0xc0
[  428.176877]  ? warn_alloc+0x120/0x120
[  428.180684]  ? warn_alloc+0x120/0x120
[  428.184487]  ? print_usage_bug+0xc0/0xc0
[  428.188555]  ? print_usage_bug+0xc0/0xc0
[  428.192619]  ? __lock_acquire+0x62f/0x4c20
[  428.196860]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.202400]  ? should_fail+0x22d/0xd01
[  428.206298]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  428.211407]  ? __lock_acquire+0x62f/0x4c20
[  428.215650]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  428.220762]  ? __lock_acquire+0x62f/0x4c20
[  428.225001]  ? should_fail+0x22d/0xd01
[  428.228893]  ? find_held_lock+0x36/0x1c0
[  428.232969]  ? mark_held_locks+0x130/0x130
[  428.237213]  ? mark_held_locks+0x130/0x130
[  428.241450]  ? zap_class+0x640/0x640
[  428.245168]  ? zap_class+0x640/0x640
[  428.248887]  ? print_usage_bug+0xc0/0xc0
[  428.252951]  ? do_raw_spin_unlock+0xa7/0x330
[  428.257364]  ? zap_class+0x640/0x640
[  428.261080]  ? print_usage_bug+0xc0/0xc0
[  428.265139]  ? wq_watchdog_touch+0x9c/0xfe
[  428.269379]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.274922]  ? check_preemption_disabled+0x48/0x280
[  428.279952]  ? __lock_is_held+0xb5/0x140
[  428.284026]  __alloc_pages_nodemask+0xa80/0xde0
[  428.288703]  ? zap_class+0x640/0x640
[  428.292424]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  428.297454]  ? find_held_lock+0x36/0x1c0
[  428.301530]  ? ____cache_alloc_node+0x1c7/0x1e0
[  428.306202]  ? lock_downgrade+0x900/0x900
[  428.310364]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.315912]  cache_grow_begin+0xa5/0x8c0
[  428.319973]  ? do_raw_spin_unlock+0xa7/0x330
[  428.324390]  fallback_alloc+0x204/0x2e0
[  428.328375]  ____cache_alloc_node+0x1c7/0x1e0
[  428.332878]  kmem_cache_alloc_node+0xe3/0x730
[  428.337372]  ? ipv6_get_ifaddr+0x42e/0x620
[  428.341617]  __alloc_skb+0x119/0x770
[  428.345335]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  428.350618]  ? netdev_alloc_frag+0x1f0/0x1f0
[  428.355027]  ? lock_downgrade+0x900/0x900
[  428.359186]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.364737]  ? refcount_sub_and_test_checked+0x203/0x310
[  428.370203]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  428.375656]  ? addrconf_rs_timer+0x690/0x690
[  428.380077]  ndisc_alloc_skb+0x144/0x340
[  428.384144]  ndisc_send_rs+0x331/0x6e0
[  428.388040]  addrconf_rs_timer+0x314/0x690
[  428.392282]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.396529]  call_timer_fn+0x272/0x920
[  428.400417]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.404654]  ? process_timeout+0x40/0x40
[  428.408726]  ? mark_held_locks+0xc7/0x130
[  428.412886]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.417386]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.421880]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.426114]  ? lockdep_hardirqs_on+0x296/0x5b0
[  428.430700]  ? trace_hardirqs_on+0xbd/0x310
[  428.435026]  ? kasan_check_read+0x11/0x20
[  428.439178]  ? __run_timers+0x7da/0xc70
[  428.443157]  ? trace_hardirqs_off_caller+0x310/0x310
[  428.448273]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.452519]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.456765]  __run_timers+0x7e5/0xc70
[  428.460587]  ? timer_fixup_init+0x70/0x70
[  428.464741]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  428.469783]  ? zap_class+0x640/0x640
[  428.473513]  ? print_usage_bug+0xc0/0xc0
[  428.477585]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  428.482819]  ? find_held_lock+0x36/0x1c0
[  428.486890]  ? zap_class+0x640/0x640
[  428.490637]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.496180]  ? check_preemption_disabled+0x48/0x280
[  428.501210]  ? __lock_is_held+0xb5/0x140
[  428.505279]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.510820]  ? check_preemption_disabled+0x48/0x280
[  428.515849]  run_timer_softirq+0x52/0xb0
[  428.519918]  ? rcu_read_lock_sched_held+0x14f/0x180
[  428.524937]  __do_softirq+0x308/0xb7e
[  428.528742]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  428.533250]  ? lock_downgrade+0x900/0x900
[  428.537407]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  428.542520]  ? pvclock_read_flags+0x160/0x160
[  428.547022]  ? lapic_next_event+0x5a/0x90
[  428.551176]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.556720]  ? kvm_clock_read+0x18/0x30
[  428.560703]  ? kvm_sched_clock_read+0x9/0x20
[  428.565113]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.570653]  ? check_preemption_disabled+0x48/0x280
[  428.575679]  irq_exit+0x17f/0x1c0
[  428.579138]  smp_apic_timer_interrupt+0x1cb/0x760
[  428.584004]  ? smp_reschedule_interrupt+0x109/0x650
[  428.589024]  ? smp_call_function_single_interrupt+0x650/0x650
[  428.594912]  ? interrupt_entry+0xb5/0xc0
[  428.598977]  ? trace_hardirqs_off_caller+0xbb/0x310
[  428.603994]  ? trace_hardirqs_off_caller+0xbb/0x310
[  428.609018]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  428.613862]  ? trace_hardirqs_on_caller+0x310/0x310
[  428.618880]  ? trace_hardirqs_on_caller+0x310/0x310
[  428.623912]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  428.628772]  apic_timer_interrupt+0xf/0x20
[  428.633003]  </IRQ>
[  428.635243] RIP: 0010:dump_stack+0x358/0x39d
[  428.639656] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 a1 9c fd f9 48 83 3d 29 00 8d 01 00 0f 84 63 fe ff ff e8 ee 69 ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db 69 ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  428.658556] RSP: 0000:ffff8801b9cce1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  428.666268] RAX: ffff8801d71b2040 RBX: 1ffffffff12a3f46 RCX: 1ffff1003ae36526
[  428.673534] RDX: 0000000000000000 RSI: ffffffff87c4fa12 RDI: 0000000000000293
[  428.680805] RBP: ffff8801b9cce290 R08: ffff8801d71b2930 R09: 0000000000000006
[  428.688158] R10: 0000000000000000 R11: ffff8801d71b2040 R12: 1ffff10037399c45
[  428.695425] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  428.702717]  ? dump_stack+0x34f/0x39d
[  428.706540]  ? dump_stack_print_info.cold.1+0x20/0x20
[  428.711737]  ? mark_held_locks+0x130/0x130
[  428.715982]  ? mark_held_locks+0x130/0x130
[  428.720223]  dump_header+0x27b/0xf72
[  428.723957]  ? pagefault_out_of_memory+0x197/0x197
[  428.728896]  ? __lock_acquire+0x62f/0x4c20
[  428.733132]  ? percpu_ref_get_many+0x240/0x240
[  428.737722]  ? print_usage_bug+0xc0/0xc0
[  428.741798]  ? zap_class+0x640/0x640
[  428.745516]  ? print_usage_bug+0xc0/0xc0
[  428.749580]  ? print_usage_bug+0xc0/0xc0
[  428.753643]  ? zap_class+0x640/0x640
[  428.757364]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.762908]  ? find_held_lock+0x36/0x1c0
[  428.766981]  ? mark_held_locks+0xc7/0x130
[  428.771134]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  428.776238]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  428.781345]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  428.785930]  ? trace_hardirqs_on+0xbd/0x310
[  428.790252]  ? kasan_check_read+0x11/0x20
[  428.794411]  ? ___ratelimit+0x3b4/0x672
[  428.798388]  ? trace_hardirqs_off_caller+0x310/0x310
[  428.803495]  ? trace_hardirqs_on+0x310/0x310
[  428.807912]  ? lock_downgrade+0x900/0x900
[  428.812070]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  428.817177]  ? ___ratelimit+0x3b9/0x672
[  428.821157]  ? idr_get_free+0xf80/0xf80
[  428.825131]  ? find_held_lock+0x36/0x1c0
[  428.829207]  oom_kill_process.cold.27+0x10/0x903
[  428.833970]  ? zap_class+0x640/0x640
[  428.837692]  ? check_preemption_disabled+0x48/0x280
[  428.842753]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  428.847689]  ? kasan_check_read+0x11/0x20
[  428.851838]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  428.857119]  ? oom_evaluate_task+0x540/0x540
[  428.861533]  ? find_held_lock+0x36/0x1c0
[  428.865604]  ? out_of_memory+0x974/0x1430
[  428.869762]  ? lock_downgrade+0x900/0x900
[  428.873914]  ? check_preemption_disabled+0x48/0x280
[  428.878935]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  428.883865]  ? kasan_check_read+0x11/0x20
[  428.888016]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  428.893294]  ? rcu_softirq_qs+0x20/0x20
[  428.897283]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.902824]  ? oom_evaluate_task+0x302/0x540
[  428.907237]  out_of_memory+0xa84/0x1430
[  428.911226]  ? oom_killer_disable+0x3a0/0x3a0
[  428.915730]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  428.920674]  ? __ww_mutex_check_waiters+0x160/0x160
[  428.925706]  __alloc_pages_slowpath+0x2354/0x2e10
[  428.930580]  ? warn_alloc+0x120/0x120
[  428.934386]  ? mark_held_locks+0x130/0x130
[  428.938633]  ? find_get_entry+0xaae/0x1120
[  428.942900]  ? filemap_map_pages+0x1a20/0x1a20
[  428.947493]  ? zap_class+0x640/0x640
[  428.951217]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.956767]  ? check_preemption_disabled+0x48/0x280
[  428.961805]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.967345]  ? should_fail+0x22d/0xd01
[  428.971243]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  428.976355]  ? zap_class+0x640/0x640
[  428.980096]  ? __lock_is_held+0xb5/0x140
[  428.984166]  ? mark_held_locks+0x130/0x130
[  428.988405]  ? lock_release+0xa00/0xa00
[  428.992384]  ? perf_trace_sched_process_exec+0x860/0x860
[  428.997835]  ? xa_load+0x2ba/0x460
[  429.001381]  ? lock_downgrade+0x900/0x900
[  429.005535]  ? __might_sleep+0x95/0x190
[  429.009517]  __alloc_pages_nodemask+0xa80/0xde0
[  429.014195]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  429.019225]  ? __page_cache_alloc+0x191/0x5c0
[  429.023730]  ? xa_load+0x2e1/0x460
[  429.027282]  ? xa_clear_mark+0x40/0x40
[  429.031180]  ? zap_class+0x640/0x640
[  429.034904]  ? zap_class+0x640/0x640
[  429.038616]  ? zap_class+0x640/0x640
[  429.042337]  ? __do_page_cache_readahead+0x663/0x810
[  429.047452]  ? find_held_lock+0x36/0x1c0
[  429.051525]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  429.057072]  alloc_pages_current+0x173/0x350
[  429.061494]  __page_cache_alloc+0x38c/0x5c0
[  429.065816]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  429.070758]  ? kasan_check_read+0x11/0x20
[  429.074909]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  429.080194]  ? generic_perform_write+0x6a0/0x6a0
[  429.084956]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.090497]  ? check_preemption_disabled+0x48/0x280
[  429.095522]  filemap_fault+0x1595/0x25f0
[  429.099601]  ? __lock_page_or_retry+0xa00/0xa00
[  429.104294]  ? mark_held_locks+0x130/0x130
[  429.108557]  ? filemap_map_pages+0xd6b/0x1a20
[  429.113057]  ? lock_downgrade+0x900/0x900
[  429.117209]  ? check_preemption_disabled+0x48/0x280
[  429.122233]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  429.127171]  ? kasan_check_read+0x11/0x20
[  429.131319]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  429.136596]  ? rcu_softirq_qs+0x20/0x20
[  429.140591]  ? filemap_map_pages+0xd92/0x1a20
[  429.145089]  ? __lock_acquire+0x62f/0x4c20
[  429.149336]  ? find_get_entries_tag+0x1400/0x1400
[  429.154204]  ? lock_acquire+0x1ed/0x520
[  429.158177]  ? ext4_filemap_fault+0x7a/0xad
[  429.162508]  ? lock_release+0xa00/0xa00
[  429.166486]  ? perf_trace_sched_process_exec+0x860/0x860
[  429.171942]  ? print_usage_bug+0xc0/0xc0
[  429.176010]  ? print_usage_bug+0xc0/0xc0
[  429.180088]  ? down_read+0x8d/0x120
[  429.183714]  ? ext4_filemap_fault+0x7a/0xad
[  429.188046]  ? __down_interruptible+0x700/0x700
[  429.192727]  ext4_filemap_fault+0x82/0xad
[  429.196889]  __do_fault+0x100/0x6b0
[  429.200522]  ? pmd_devmap_trans_unstable+0x220/0x220
[  429.205641]  ? mark_held_locks+0x130/0x130
[  429.209881]  ? mark_held_locks+0x130/0x130
[  429.214116]  ? __might_fault+0x12b/0x1e0
[  429.218180]  ? lock_downgrade+0x900/0x900
[  429.222340]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.227887]  __handle_mm_fault+0x3ea6/0x5be0
[  429.232311]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  429.237166]  ? kasan_check_read+0x11/0x20
[  429.241318]  ? _copy_to_user+0xc8/0x110
[  429.245316]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.250875]  ? zap_class+0x640/0x640
[  429.254590]  ? zap_class+0x640/0x640
[  429.258312]  ? find_held_lock+0x36/0x1c0
[  429.262383]  ? handle_mm_fault+0x42a/0xc70
[  429.266619]  ? lock_downgrade+0x900/0x900
[  429.270773]  ? check_preemption_disabled+0x48/0x280
[  429.275796]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  429.280728]  ? kasan_check_read+0x11/0x20
[  429.284884]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  429.290166]  ? rcu_softirq_qs+0x20/0x20
[  429.294146]  ? trace_hardirqs_off_caller+0x310/0x310
[  429.299254]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.304803]  ? check_preemption_disabled+0x48/0x280
[  429.309834]  handle_mm_fault+0x54f/0xc70
[  429.313907]  ? __handle_mm_fault+0x5be0/0x5be0
[  429.318495]  ? find_vma+0x34/0x190
[  429.322046]  __do_page_fault+0x5e8/0xe60
[  429.326109]  ? trace_hardirqs_off+0xb8/0x310
[  429.330519]  ? retint_kernel+0x2d/0x2d
[  429.334421]  do_page_fault+0xf2/0x7e0
[  429.338224]  ? vmalloc_sync_all+0x30/0x30
[  429.342384]  ? error_entry+0x70/0xd0
[  429.346099]  ? trace_hardirqs_off_caller+0xbb/0x310
[  429.351115]  ? trace_hardirqs_on_caller+0xc0/0x310
[  429.356046]  ? syscall_return_slowpath+0x5e0/0x5e0
[  429.360978]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  429.365821]  ? trace_hardirqs_on_caller+0x310/0x310
[  429.370839]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  429.376299]  ? prepare_exit_to_usermode+0x291/0x3b0
[  429.381315]  ? page_fault+0x8/0x30
[  429.384861]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  429.389711]  ? page_fault+0x8/0x30
[  429.393265]  page_fault+0x1e/0x30
[  429.396718] RIP: 0033:0x45d911
[  429.399929] Code: Bad RIP value.
[  429.403289] RSP: 002b:000000c420035f18 EFLAGS: 00010246
[  429.408647] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 000000000045d911
[  429.415919] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  429.423222] RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
[  429.430491] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  429.437763] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  429.445056] warn_alloc_show_mem: 1 callbacks suppressed
[  429.445068] CPU: 0 PID: 11721 Comm: syz-executor5 Not tainted 4.19.0+ #74
[  429.445070] Mem-Info:
[  429.445101] active_anon:50643 inactive_anon:847 isolated_anon:0
[  429.445101]  active_file:14 inactive_file:13 isolated_file:0
[  429.445101]  unevictable:0 dirty:0 writeback:0 unstable:0
[  429.445101]  slab_reclaimable:9230 slab_unreclaimable:1469886
[  429.445101]  mapped:49154 shmem:854 pagetables:629 bounce:0
[  429.445101]  free:13794 free_pcp:158 free_cma:0
[  429.450444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  429.457379] Node 0 active_anon:202572kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3416kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  429.459782] Call Trace:
[  429.492648] 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
[  429.501994]  <IRQ>
[  429.529645] lowmem_reserve[]: 0 2818 6321 6321
[  429.532241]  dump_stack+0x244/0x39d
[  429.558327] Node 0 DMA32 free:25280kB min:30052kB low:37564kB high:45076kB active_anon:236kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  429.560478]  ? dump_stack_print_info.cold.1+0x20/0x20
[  429.565032] lowmem_reserve[]: 0 0 3503 3503
[  429.568693]  warn_alloc.cold.116+0xb7/0x1bd
[  429.596162] Node 0 Normal free:13988kB min:37364kB low:46704kB high:56044kB active_anon:202336kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:412kB local_pcp:252kB free_cma:0kB
[  429.601352]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  429.605644] lowmem_reserve[]: 0 0 0 0
[  429.609967]  ? lock_downgrade+0x900/0x900
[  429.638927] 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
[  429.643784]  ? trace_hardirqs_off+0xb8/0x310
[  429.647546] Node 0 DMA32: 2*4kB (H) 3*8kB (UMH) 2*16kB (M) 2*32kB (MH) 5*64kB (MH) 4*128kB (M) 5*256kB (MH) 5*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 25280kB
[  429.651689]  ? trace_hardirqs_off+0xb8/0x310
[  429.665187] Node 0 Normal: 737*4kB (UMEH) 442*8kB (UME) 213*16kB (UME) 70*32kB (UME) 7*64kB (UMH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13988kB
[  429.669603]  __alloc_pages_slowpath+0x26e8/0x2e10
[  429.685009] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  429.689434]  ? warn_alloc+0x120/0x120
[  429.704741] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  429.709586]  ? print_usage_bug+0xc0/0xc0
[  429.718395] 881 total pagecache pages
[  429.722191]  ? warn_alloc+0x120/0x120
[  429.730764] 0 pages in swap cache
[  429.735000]  ? warn_alloc+0x120/0x120
[  429.738780] Swap cache stats: add 0, delete 0, find 0/0
[  429.742576]  ? print_usage_bug+0xc0/0xc0
[  429.746005] Free swap  = 0kB
[  429.749802]  ? kvm_clock_read+0x18/0x30
[  429.755137] Total swap = 0kB
[  429.759192]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  429.762188] 1965979 pages RAM
[  429.766153]  ? print_usage_bug+0xc0/0xc0
[  429.769150] 0 pages HighMem/MovableOnly
[  429.774645]  ? __lock_acquire+0x62f/0x4c20
[  429.777730] 342858 pages reserved
[  429.781802]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.785763] 0 pages cma reserved
[  429.789994]  ? should_fail+0x22d/0xd01
[  429.793477] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  429.798943]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  429.798962]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  429.802390] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  429.806189]  ? __lock_acquire+0x62f/0x4c20
[  429.812656] syz-fuzzer cpuset=/ mems_allowed=0
[  429.817948]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  429.847128]  ? __lock_acquire+0x62f/0x4c20
[  429.851367]  ? should_fail+0x22d/0xd01
[  429.855254]  ? rcu_irq_exit+0x1a2/0x390
[  429.859817]  ? mark_held_locks+0x130/0x130
[  429.864062]  ? mark_held_locks+0x130/0x130
[  429.868303]  ? mark_held_locks+0xc7/0x130
[  429.872454]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  429.877471]  ? zap_class+0x640/0x640
[  429.881188]  ? print_usage_bug+0xc0/0xc0
[  429.885256]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.890797]  ? check_preemption_disabled+0x48/0x280
[  429.895826]  ? __lock_is_held+0xb5/0x140
[  429.899899]  __alloc_pages_nodemask+0xa80/0xde0
[  429.904795]  ? zap_class+0x640/0x640
[  429.908519]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  429.913546]  ? find_held_lock+0x36/0x1c0
[  429.917617]  ? ____cache_alloc_node+0x1c7/0x1e0
[  429.922292]  ? lock_downgrade+0x900/0x900
[  429.926472]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.932020]  cache_grow_begin+0xa5/0x8c0
[  429.936108]  ? do_raw_spin_unlock+0xa7/0x330
[  429.940530]  fallback_alloc+0x204/0x2e0
[  429.944517]  ____cache_alloc_node+0x1c7/0x1e0
[  429.949022]  kmem_cache_alloc_node+0xe3/0x730
[  429.953516]  ? ipv6_get_ifaddr+0x42e/0x620
[  429.957774]  __alloc_skb+0x119/0x770
[  429.961489]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  429.966786]  ? netdev_alloc_frag+0x1f0/0x1f0
[  429.971201]  ? lock_downgrade+0x900/0x900
[  429.975363]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.980902]  ? refcount_sub_and_test_checked+0x203/0x310
[  429.986355]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  429.991804]  ? addrconf_rs_timer+0x690/0x690
[  429.996223]  ndisc_alloc_skb+0x144/0x340
[  430.000294]  ndisc_send_rs+0x331/0x6e0
[  430.004190]  addrconf_rs_timer+0x314/0x690
[  430.008428]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.012675]  call_timer_fn+0x272/0x920
[  430.016563]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.020797]  ? process_timeout+0x40/0x40
[  430.024867]  ? __run_timers+0x7da/0xc70
[  430.028847]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.033341]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.037834]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.042074]  ? lockdep_hardirqs_on+0x296/0x5b0
[  430.046663]  ? trace_hardirqs_on+0xbd/0x310
[  430.050985]  ? kasan_check_read+0x11/0x20
[  430.055131]  ? __run_timers+0x7da/0xc70
[  430.059109]  ? trace_hardirqs_off_caller+0x310/0x310
[  430.064217]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.068458]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.072692]  __run_timers+0x7e5/0xc70
[  430.076508]  ? timer_fixup_init+0x70/0x70
[  430.080656]  ? kasan_check_read+0x11/0x20
[  430.084807]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  430.090090]  ? rcu_softirq_qs+0x20/0x20
[  430.094067]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.099605]  ? check_preemption_disabled+0x48/0x280
[  430.104629]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  430.109395]  ? retint_kernel+0x2d/0x2d
[  430.113283]  ? trace_hardirqs_on_caller+0xc0/0x310
[  430.118214]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  430.122976]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  430.128432]  ? zap_class+0x640/0x640
[  430.132158]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.137700]  ? check_preemption_disabled+0x48/0x280
[  430.142726]  ? __lock_is_held+0xb5/0x140
[  430.146802]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.152342]  ? check_preemption_disabled+0x48/0x280
[  430.157365]  run_timer_softirq+0x52/0xb0
[  430.161427]  ? rcu_read_lock_sched_held+0x14f/0x180
[  430.166445]  __do_softirq+0x308/0xb7e
[  430.170253]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  430.174761]  ? lock_downgrade+0x900/0x900
[  430.178913]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  430.184031]  ? pvclock_read_flags+0x160/0x160
[  430.188530]  ? lapic_next_event+0x5a/0x90
[  430.192684]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.198229]  ? kvm_clock_read+0x18/0x30
[  430.202203]  ? kvm_sched_clock_read+0x9/0x20
[  430.206620]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.212160]  ? check_preemption_disabled+0x48/0x280
[  430.217186]  irq_exit+0x17f/0x1c0
[  430.220645]  smp_apic_timer_interrupt+0x1cb/0x760
[  430.225493]  ? smp_reschedule_interrupt+0x109/0x650
[  430.230512]  ? smp_call_function_single_interrupt+0x650/0x650
[  430.236419]  ? interrupt_entry+0xb5/0xc0
[  430.240489]  ? trace_hardirqs_off_caller+0xbb/0x310
[  430.245506]  ? trace_hardirqs_off_caller+0xbb/0x310
[  430.250526]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  430.255376]  ? trace_hardirqs_on_caller+0x310/0x310
[  430.260394]  ? trace_hardirqs_on_caller+0x310/0x310
[  430.265415]  ? task_prio+0x50/0x50
[  430.268956]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.274494]  ? check_preemption_disabled+0x48/0x280
[  430.279517]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  430.284370]  apic_timer_interrupt+0xf/0x20
[  430.288601]  </IRQ>
[  430.290844] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  430.295785] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 14
[  430.314693] RSP: 0000:ffff8801bf14f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  430.322407] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  430.329685] RDX: 0000000000000000 RSI: ffff8801b68a4c40 RDI: 0000000000000286
[  430.336960] RBP: ffff8801bf14f7a0 R08: ffff8801b68a43c0 R09: 0000000000000000
[  430.344242] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  430.351521] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  430.358843]  skb_clone+0x1bb/0x500
[  430.362393]  ? finish_task_switch+0x2f4/0x910
[  430.366897]  ? skb_split+0x11e0/0x11e0
[  430.370796]  ? preempt_notifier_register+0x200/0x200
[  430.375907]  ? __switch_to_asm+0x34/0x70
[  430.379975]  ? __switch_to_asm+0x34/0x70
[  430.384036]  ? __switch_to_asm+0x40/0x70
[  430.388099]  ? __switch_to_asm+0x34/0x70
[  430.392159]  ? __switch_to_asm+0x40/0x70
[  430.396220]  ? __switch_to_asm+0x34/0x70
[  430.400279]  ? __switch_to_asm+0x40/0x70
[  430.404342]  ? __switch_to_asm+0x34/0x70
[  430.408406]  ? __switch_to_asm+0x34/0x70
[  430.412469]  ? __switch_to_asm+0x40/0x70
[  430.416528]  ? __switch_to_asm+0x34/0x70
[  430.420597]  bpf_clone_redirect+0xb9/0x490
[  430.424832]  ? __schedule+0x8d7/0x21d0
[  430.428730]  bpf_prog_bebbfe2050753572+0x6c2/0x1000
[  430.433774]  ? __sched_text_start+0x8/0x8
[  430.437950]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  430.442714]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  430.447316]  ? retint_kernel+0x2d/0x2d
[  430.451219]  ? find_held_lock+0x36/0x1c0
[  430.455294]  ? lock_acquire+0x1ed/0x520
[  430.459271]  ? bpf_test_run+0x3cb/0x780
[  430.463254]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.468795]  ? check_preemption_disabled+0x48/0x280
[  430.473825]  ? kasan_check_read+0x11/0x20
[  430.477982]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  430.483266]  ? rcu_softirq_qs+0x20/0x20
[  430.487247]  ? preempt_schedule+0x4d/0x60
[  430.491399]  ? ___preempt_schedule+0x16/0x18
[  430.495818]  ? bpf_test_run+0x25d/0x780
[  430.499806]  ? netlink_diag_dump+0x2a0/0x2a0
[  430.504223]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.509772]  ? bpf_test_init.isra.10+0x70/0x100
[  430.514449]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  430.519215]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  430.524071]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  430.529612]  ? fput+0x130/0x1a0
[  430.532893]  ? __bpf_prog_get+0x9b/0x290
[  430.536958]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  430.541803]  ? bpf_prog_test_run+0x130/0x1a0
[  430.546221]  ? __x64_sys_bpf+0x3d8/0x520
[  430.550283]  ? bpf_prog_get+0x20/0x20
[  430.554108]  ? do_syscall_64+0x1b9/0x820
[  430.558171]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  430.563538]  ? syscall_return_slowpath+0x5e0/0x5e0
[  430.568470]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  430.573316]  ? trace_hardirqs_on_caller+0x310/0x310
[  430.578334]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  430.583370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.588913]  ? prepare_exit_to_usermode+0x291/0x3b0
[  430.593938]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  430.598798]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  430.604182] CPU: 1 PID: 5666 Comm: syz-fuzzer Not tainted 4.19.0+ #74
[  430.604253] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  430.610769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  430.610777] Call Trace:
[  430.617356] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  430.626616]  <IRQ>
[  430.629187] syz-executor5 cpuset=syz5 mems_allowed=0
[  430.639665]  dump_stack+0x244/0x39d
[  430.650502]  ? dump_stack_print_info.cold.1+0x20/0x20
[  430.655707]  warn_alloc.cold.116+0xb7/0x1bd
[  430.660031]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  430.664879]  ? lock_downgrade+0x900/0x900
[  430.669039]  ? trace_hardirqs_off+0xb8/0x310
[  430.673455]  ? trace_hardirqs_off+0xb8/0x310
[  430.677874]  __alloc_pages_slowpath+0x26e8/0x2e10
[  430.682758]  ? warn_alloc+0x120/0x120
[  430.686565]  ? print_usage_bug+0xc0/0xc0
[  430.690629]  ? warn_alloc+0x120/0x120
[  430.694438]  ? warn_alloc+0x120/0x120
[  430.698249]  ? print_usage_bug+0xc0/0xc0
[  430.702321]  ? kvm_clock_read+0x18/0x30
[  430.706299]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  430.711328]  ? print_usage_bug+0xc0/0xc0
[  430.715398]  ? __lock_acquire+0x62f/0x4c20
[  430.719638]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.725178]  ? should_fail+0x22d/0xd01
[  430.729066]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  430.734353]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  430.739459]  ? __lock_acquire+0x62f/0x4c20
[  430.743700]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  430.748818]  ? __lock_acquire+0x62f/0x4c20
[  430.753054]  ? should_fail+0x22d/0xd01
[  430.756941]  ? rcu_irq_exit+0x1a2/0x390
[  430.760930]  ? mark_held_locks+0x130/0x130
[  430.765187]  ? mark_held_locks+0x130/0x130
[  430.769432]  ? mark_held_locks+0xc7/0x130
[  430.773586]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  430.778602]  ? zap_class+0x640/0x640
[  430.782321]  ? print_usage_bug+0xc0/0xc0
[  430.786394]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.791937]  ? check_preemption_disabled+0x48/0x280
[  430.796966]  ? __lock_is_held+0xb5/0x140
[  430.801037]  __alloc_pages_nodemask+0xa80/0xde0
[  430.805708]  ? zap_class+0x640/0x640
[  430.809434]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  430.814462]  ? find_held_lock+0x36/0x1c0
[  430.818537]  ? ____cache_alloc_node+0x1c7/0x1e0
[  430.823211]  ? lock_downgrade+0x900/0x900
[  430.827373]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.832917]  cache_grow_begin+0xa5/0x8c0
[  430.836984]  ? do_raw_spin_unlock+0xa7/0x330
[  430.841400]  fallback_alloc+0x204/0x2e0
[  430.845384]  ____cache_alloc_node+0x1c7/0x1e0
[  430.849889]  kmem_cache_alloc_node+0xe3/0x730
[  430.854385]  ? ipv6_get_ifaddr+0x42e/0x620
[  430.858971]  __alloc_skb+0x119/0x770
[  430.862683]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  430.867969]  ? netdev_alloc_frag+0x1f0/0x1f0
[  430.872385]  ? lock_downgrade+0x900/0x900
[  430.876544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.882082]  ? refcount_sub_and_test_checked+0x203/0x310
[  430.887540]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  430.892994]  ? addrconf_rs_timer+0x690/0x690
[  430.897417]  ndisc_alloc_skb+0x144/0x340
[  430.901487]  ndisc_send_rs+0x331/0x6e0
[  430.905380]  addrconf_rs_timer+0x314/0x690
[  430.909623]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.913873]  call_timer_fn+0x272/0x920
[  430.917770]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.922010]  ? process_timeout+0x40/0x40
[  430.926089]  ? mark_held_locks+0xc7/0x130
[  430.930242]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.934752]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.939251]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.943496]  ? lockdep_hardirqs_on+0x296/0x5b0
[  430.948081]  ? trace_hardirqs_on+0xbd/0x310
[  430.952417]  ? kasan_check_read+0x11/0x20
[  430.956564]  ? __run_timers+0x7da/0xc70
[  430.960544]  ? trace_hardirqs_off_caller+0x310/0x310
[  430.965649]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.969895]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.974127]  __run_timers+0x7e5/0xc70
[  430.977939]  ? timer_fixup_init+0x70/0x70
[  430.982091]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  430.987112]  ? zap_class+0x640/0x640
[  430.990832]  ? print_usage_bug+0xc0/0xc0
[  430.994897]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  431.000095]  ? find_held_lock+0x36/0x1c0
[  431.004163]  ? zap_class+0x640/0x640
[  431.007887]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.013431]  ? check_preemption_disabled+0x48/0x280
[  431.018462]  ? __lock_is_held+0xb5/0x140
[  431.022530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.028071]  ? check_preemption_disabled+0x48/0x280
[  431.033094]  run_timer_softirq+0x52/0xb0
[  431.037156]  ? rcu_read_lock_sched_held+0x14f/0x180
[  431.042175]  __do_softirq+0x308/0xb7e
[  431.045982]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  431.050480]  ? lock_downgrade+0x900/0x900
[  431.054629]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  431.059744]  ? pvclock_read_flags+0x160/0x160
[  431.064253]  ? lapic_next_event+0x5a/0x90
[  431.068412]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.073956]  ? kvm_clock_read+0x18/0x30
[  431.077936]  ? kvm_sched_clock_read+0x9/0x20
[  431.082348]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.087891]  ? check_preemption_disabled+0x48/0x280
[  431.092921]  irq_exit+0x17f/0x1c0
[  431.096384]  smp_apic_timer_interrupt+0x1cb/0x760
[  431.101229]  ? smp_reschedule_interrupt+0x109/0x650
[  431.106254]  ? smp_call_function_single_interrupt+0x650/0x650
[  431.112145]  ? interrupt_entry+0xb5/0xc0
[  431.116213]  ? trace_hardirqs_off_caller+0xbb/0x310
[  431.121231]  ? trace_hardirqs_off_caller+0xbb/0x310
[  431.126254]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  431.131108]  ? trace_hardirqs_on_caller+0x310/0x310
[  431.136125]  ? trace_hardirqs_on_caller+0x310/0x310
[  431.141155]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  431.146014]  apic_timer_interrupt+0xf/0x20
[  431.150244]  </IRQ>
[  431.152489] RIP: 0010:dump_stack+0x358/0x39d
[  431.156900] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 a1 9c fd f9 48 83 3d 29 00 8d 01 00 0f 84 63 fe ff ff e8 ee 69 ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db 69 ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  431.175803] RSP: 0000:ffff8801b9cce1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  431.183514] RAX: ffff8801d71b2040 RBX: 1ffffffff12a3f46 RCX: 1ffff1003ae36526
[  431.190784] RDX: 0000000000000000 RSI: ffffffff87c4fa12 RDI: 0000000000000293
[  431.198055] RBP: ffff8801b9cce290 R08: ffff8801d71b2930 R09: 0000000000000006
[  431.205322] R10: 0000000000000000 R11: ffff8801d71b2040 R12: 1ffff10037399c45
[  431.212587] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  431.219880]  ? dump_stack+0x34f/0x39d
[  431.223699]  ? dump_stack_print_info.cold.1+0x20/0x20
[  431.228896]  ? mark_held_locks+0x130/0x130
[  431.233135]  ? mark_held_locks+0x130/0x130
[  431.237379]  dump_header+0x27b/0xf72
[  431.241138]  ? pagefault_out_of_memory+0x197/0x197
[  431.246086]  ? __lock_acquire+0x62f/0x4c20
[  431.250350]  ? percpu_ref_get_many+0x240/0x240
[  431.254945]  ? print_usage_bug+0xc0/0xc0
[  431.259047]  ? zap_class+0x640/0x640
[  431.262782]  ? print_usage_bug+0xc0/0xc0
[  431.266846]  ? print_usage_bug+0xc0/0xc0
[  431.270915]  ? zap_class+0x640/0x640
[  431.274670]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.280220]  ? find_held_lock+0x36/0x1c0
[  431.284303]  ? mark_held_locks+0xc7/0x130
[  431.288469]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  431.293585]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  431.298698]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  431.303298]  ? trace_hardirqs_on+0xbd/0x310
[  431.307628]  ? kasan_check_read+0x11/0x20
[  431.311814]  ? ___ratelimit+0x3b4/0x672
[  431.315806]  ? trace_hardirqs_off_caller+0x310/0x310
[  431.320919]  ? trace_hardirqs_on+0x310/0x310
[  431.325337]  ? lock_downgrade+0x900/0x900
[  431.329507]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  431.334666]  ? ___ratelimit+0x3b9/0x672
[  431.338657]  ? idr_get_free+0xf80/0xf80
[  431.342642]  ? find_held_lock+0x36/0x1c0
[  431.346727]  oom_kill_process.cold.27+0x10/0x903
[  431.351512]  ? zap_class+0x640/0x640
[  431.355242]  ? check_preemption_disabled+0x48/0x280
[  431.360292]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  431.365233]  ? kasan_check_read+0x11/0x20
[  431.369399]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  431.374768]  ? oom_evaluate_task+0x540/0x540
[  431.379202]  ? find_held_lock+0x36/0x1c0
[  431.383292]  ? out_of_memory+0x974/0x1430
[  431.387510]  ? lock_downgrade+0x900/0x900
[  431.391670]  ? check_preemption_disabled+0x48/0x280
[  431.396701]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  431.401642]  ? kasan_check_read+0x11/0x20
[  431.405811]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  431.411100]  ? rcu_softirq_qs+0x20/0x20
[  431.415091]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.420640]  ? oom_evaluate_task+0x302/0x540
[  431.425065]  out_of_memory+0xa84/0x1430
[  431.429069]  ? oom_killer_disable+0x3a0/0x3a0
[  431.433580]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  431.438527]  ? __ww_mutex_check_waiters+0x160/0x160
[  431.443569]  __alloc_pages_slowpath+0x2354/0x2e10
[  431.448460]  ? warn_alloc+0x120/0x120
[  431.452280]  ? mark_held_locks+0x130/0x130
[  431.456539]  ? find_get_entry+0xaae/0x1120
[  431.460817]  ? filemap_map_pages+0x1a20/0x1a20
[  431.465419]  ? zap_class+0x640/0x640
[  431.469160]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.474715]  ? check_preemption_disabled+0x48/0x280
[  431.479787]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.485347]  ? should_fail+0x22d/0xd01
[  431.489252]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  431.494396]  ? zap_class+0x640/0x640
[  431.498157]  ? __lock_is_held+0xb5/0x140
[  431.502306]  ? mark_held_locks+0x130/0x130
[  431.506562]  ? lock_release+0xa00/0xa00
[  431.510553]  ? perf_trace_sched_process_exec+0x860/0x860
[  431.516022]  ? xa_load+0x2ba/0x460
[  431.519584]  ? lock_downgrade+0x900/0x900
[  431.523772]  ? __might_sleep+0x95/0x190
[  431.527788]  __alloc_pages_nodemask+0xa80/0xde0
[  431.532485]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  431.537518]  ? __page_cache_alloc+0x191/0x5c0
[  431.542026]  ? xa_load+0x2e1/0x460
[  431.545581]  ? xa_clear_mark+0x40/0x40
[  431.549483]  ? zap_class+0x640/0x640
[  431.553217]  ? zap_class+0x640/0x640
[  431.556945]  ? zap_class+0x640/0x640
[  431.560673]  ? __do_page_cache_readahead+0x663/0x810
[  431.565814]  ? find_held_lock+0x36/0x1c0
[  431.569903]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  431.575460]  alloc_pages_current+0x173/0x350
[  431.579889]  __page_cache_alloc+0x38c/0x5c0
[  431.584227]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  431.589174]  ? kasan_check_read+0x11/0x20
[  431.593335]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  431.598632]  ? generic_perform_write+0x6a0/0x6a0
[  431.603551]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.609107]  ? check_preemption_disabled+0x48/0x280
[  431.614146]  filemap_fault+0x1595/0x25f0
[  431.618239]  ? __lock_page_or_retry+0xa00/0xa00
[  431.622937]  ? mark_held_locks+0x130/0x130
[  431.627201]  ? filemap_map_pages+0xd6b/0x1a20
[  431.631714]  ? lock_downgrade+0x900/0x900
[  431.635899]  ? check_preemption_disabled+0x48/0x280
[  431.640943]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  431.645899]  ? kasan_check_read+0x11/0x20
[  431.650120]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  431.655417]  ? rcu_softirq_qs+0x20/0x20
[  431.659423]  ? filemap_map_pages+0xd92/0x1a20
[  431.663939]  ? __lock_acquire+0x62f/0x4c20
[  431.668198]  ? find_get_entries_tag+0x1400/0x1400
[  431.673075]  ? lock_acquire+0x1ed/0x520
[  431.677066]  ? ext4_filemap_fault+0x7a/0xad
[  431.683068]  ? lock_release+0xa00/0xa00
[  431.687058]  ? perf_trace_sched_process_exec+0x860/0x860
[  431.692526]  ? print_usage_bug+0xc0/0xc0
[  431.696602]  ? print_usage_bug+0xc0/0xc0
[  431.700688]  ? down_read+0x8d/0x120
[  431.704330]  ? ext4_filemap_fault+0x7a/0xad
[  431.708664]  ? __down_interruptible+0x700/0x700
[  431.713366]  ext4_filemap_fault+0x82/0xad
[  431.717530]  __do_fault+0x100/0x6b0
[  431.721176]  ? pmd_devmap_trans_unstable+0x220/0x220
[  431.726296]  ? mark_held_locks+0x130/0x130
[  431.730649]  ? mark_held_locks+0x130/0x130
[  431.734987]  ? __might_fault+0x12b/0x1e0
[  431.739062]  ? lock_downgrade+0x900/0x900
[  431.743230]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.748807]  __handle_mm_fault+0x3ea6/0x5be0
[  431.753237]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  431.758107]  ? kasan_check_read+0x11/0x20
[  431.762278]  ? _copy_to_user+0xc8/0x110
[  431.766276]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.772115]  ? zap_class+0x640/0x640
[  431.775847]  ? zap_class+0x640/0x640
[  431.779579]  ? find_held_lock+0x36/0x1c0
[  431.783666]  ? handle_mm_fault+0x42a/0xc70
[  431.787919]  ? lock_downgrade+0x900/0x900
[  431.792081]  ? check_preemption_disabled+0x48/0x280
[  431.797181]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  431.802129]  ? kasan_check_read+0x11/0x20
[  431.806294]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  431.811583]  ? rcu_softirq_qs+0x20/0x20
[  431.815569]  ? trace_hardirqs_off_caller+0x310/0x310
[  431.820685]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.826235]  ? check_preemption_disabled+0x48/0x280
[  431.831284]  handle_mm_fault+0x54f/0xc70
[  431.835367]  ? __handle_mm_fault+0x5be0/0x5be0
[  431.840054]  ? find_vma+0x34/0x190
[  431.843618]  __do_page_fault+0x5e8/0xe60
[  431.847694]  ? trace_hardirqs_off+0xb8/0x310
[  431.852119]  ? retint_kernel+0x2d/0x2d
[  431.856165]  do_page_fault+0xf2/0x7e0
[  431.860050]  ? vmalloc_sync_all+0x30/0x30
[  431.864215]  ? error_entry+0x70/0xd0
[  431.867950]  ? trace_hardirqs_off_caller+0xbb/0x310
[  431.872980]  ? trace_hardirqs_on_caller+0xc0/0x310
[  431.877923]  ? syscall_return_slowpath+0x5e0/0x5e0
[  431.882866]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  431.887721]  ? trace_hardirqs_on_caller+0x310/0x310
[  431.892793]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  431.898273]  ? prepare_exit_to_usermode+0x291/0x3b0
[  431.903860]  ? page_fault+0x8/0x30
[  431.907417]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  431.912281]  ? page_fault+0x8/0x30
[  431.915838]  page_fault+0x1e/0x30
[  431.919300] RIP: 0033:0x45d911
[  431.922602] Code: Bad RIP value.
[  431.925977] RSP: 002b:000000c420035f18 EFLAGS: 00010246
[  431.931351] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 000000000045d911
[  431.938630] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  431.945913] RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
[  431.953191] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  431.960471] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  431.967805] warn_alloc_show_mem: 1 callbacks suppressed
[  431.967817] CPU: 0 PID: 11721 Comm: syz-executor5 Not tainted 4.19.0+ #74
[  431.967819] Mem-Info:
[  431.967850] active_anon:50643 inactive_anon:847 isolated_anon:0
[  431.967850]  active_file:14 inactive_file:13 isolated_file:0
[  431.967850]  unevictable:0 dirty:0 writeback:0 unstable:0
[  431.967850]  slab_reclaimable:9230 slab_unreclaimable:1469886
[  431.967850]  mapped:49154 shmem:854 pagetables:629 bounce:0
[  431.967850]  free:13794 free_pcp:158 free_cma:0
[  431.973198] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  431.973207] Call Trace:
[  431.980160] Node 0 active_anon:202572kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3416kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  431.982572]  <IRQ>
[  432.015462] 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
[  432.024835]  dump_stack+0x244/0x39d
[  432.027395] lowmem_reserve[]: 0 2818 6321 6321
[  432.055235]  ? dump_stack_print_info.cold.1+0x20/0x20
[  432.057431] Node 0 DMA32 free:25280kB min:30052kB low:37564kB high:45076kB active_anon:236kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  432.083568]  warn_alloc.cold.116+0xb7/0x1bd
[  432.087175] lowmem_reserve[]: 0 0 3503 3503
[  432.091788]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  432.096965] Node 0 Normal free:13988kB min:37364kB low:46704kB high:56044kB active_anon:202336kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:412kB local_pcp:252kB free_cma:0kB
[  432.124485]  ? lock_downgrade+0x900/0x900
[  432.128794] lowmem_reserve[]: 0 0 0 0
[  432.133130]  ? trace_hardirqs_off+0xb8/0x310
[  432.137955] 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
[  432.166996]  ? trace_hardirqs_off+0xb8/0x310
[  432.171131] Node 0 DMA32: 2*4kB (H) 3*8kB (UMH) 2*16kB (M) 2*32kB (MH) 5*64kB (MH) 4*128kB (M) 5*256kB (MH) 5*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 25280kB
[  432.174948]  __alloc_pages_slowpath+0x26e8/0x2e10
[  432.179335] Node 0 Normal: 737*4kB (UMEH) 442*8kB (UME) 213*16kB (UME) 70*32kB (UME) 7*64kB (UMH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13988kB
[  432.192896]  ? warn_alloc+0x120/0x120
[  432.197357] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  432.212812]  ? print_usage_bug+0xc0/0xc0
[  432.217659] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  432.233011]  ? warn_alloc+0x120/0x120
[  432.236797] 881 total pagecache pages
[  432.245640]  ? warn_alloc+0x120/0x120
[  432.249824] 0 pages in swap cache
[  432.258402]  ? print_usage_bug+0xc0/0xc0
[  432.262252] Swap cache stats: add 0, delete 0, find 0/0
[  432.266061]  ? kvm_clock_read+0x18/0x30
[  432.269855] Free swap  = 0kB
[  432.273314]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  432.277360] Total swap = 0kB
[  432.282734]  ? print_usage_bug+0xc0/0xc0
[  432.286789] 1965979 pages RAM
[  432.289829]  ? __lock_acquire+0x62f/0x4c20
[  432.294843] 0 pages HighMem/MovableOnly
[  432.294852] 342858 pages reserved
[  432.297877]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.301920] 0 pages cma reserved
[  432.301992] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  432.305038]  ? should_fail+0x22d/0xd01
[  432.309318] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  432.313237]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  432.316682] syz-fuzzer cpuset=/ mems_allowed=0
[  432.322223]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  432.361138]  ? __lock_acquire+0x62f/0x4c20
[  432.365406]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  432.370522]  ? __lock_acquire+0x62f/0x4c20
[  432.374792]  ? should_fail+0x22d/0xd01
[  432.378798]  ? rcu_irq_exit+0x1a2/0x390
[  432.382807]  ? mark_held_locks+0x130/0x130
[  432.387204]  ? mark_held_locks+0x130/0x130
[  432.391458]  ? mark_held_locks+0xc7/0x130
[  432.395621]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  432.400648]  ? zap_class+0x640/0x640
[  432.404373]  ? print_usage_bug+0xc0/0xc0
[  432.408510]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.414067]  ? check_preemption_disabled+0x48/0x280
[  432.419106]  ? __lock_is_held+0xb5/0x140
[  432.423189]  __alloc_pages_nodemask+0xa80/0xde0
[  432.427876]  ? zap_class+0x640/0x640
[  432.431611]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  432.436651]  ? find_held_lock+0x36/0x1c0
[  432.440735]  ? ____cache_alloc_node+0x1c7/0x1e0
[  432.445444]  ? lock_downgrade+0x900/0x900
[  432.449611]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.455168]  cache_grow_begin+0xa5/0x8c0
[  432.459243]  ? do_raw_spin_unlock+0xa7/0x330
[  432.463773]  fallback_alloc+0x204/0x2e0
[  432.467799]  ____cache_alloc_node+0x1c7/0x1e0
[  432.472447]  kmem_cache_alloc_node+0xe3/0x730
[  432.476955]  ? ipv6_get_ifaddr+0x42e/0x620
[  432.481211]  __alloc_skb+0x119/0x770
[  432.484936]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  432.490233]  ? netdev_alloc_frag+0x1f0/0x1f0
[  432.494725]  ? lock_downgrade+0x900/0x900
[  432.498921]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.504470]  ? refcount_sub_and_test_checked+0x203/0x310
[  432.509936]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  432.515399]  ? addrconf_rs_timer+0x690/0x690
[  432.519833]  ndisc_alloc_skb+0x144/0x340
[  432.523910]  ndisc_send_rs+0x331/0x6e0
[  432.527815]  addrconf_rs_timer+0x314/0x690
[  432.532067]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  432.536384]  call_timer_fn+0x272/0x920
[  432.540284]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  432.544587]  ? process_timeout+0x40/0x40
[  432.548668]  ? __run_timers+0x7da/0xc70
[  432.552840]  ? _raw_spin_unlock_irq+0x27/0x80
[  432.557350]  ? _raw_spin_unlock_irq+0x27/0x80
[  432.561855]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  432.566103]  ? lockdep_hardirqs_on+0x296/0x5b0
[  432.570699]  ? trace_hardirqs_on+0xbd/0x310
[  432.575038]  ? kasan_check_read+0x11/0x20
[  432.579256]  ? __run_timers+0x7da/0xc70
[  432.583252]  ? trace_hardirqs_off_caller+0x310/0x310
[  432.588373]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  432.592629]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  432.596873]  __run_timers+0x7e5/0xc70
[  432.600696]  ? timer_fixup_init+0x70/0x70
[  432.604860]  ? kasan_check_read+0x11/0x20
[  432.609024]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  432.614313]  ? rcu_softirq_qs+0x20/0x20
[  432.618302]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.623943]  ? check_preemption_disabled+0x48/0x280
[  432.628986]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  432.633785]  ? retint_kernel+0x2d/0x2d
[  432.637690]  ? trace_hardirqs_on_caller+0xc0/0x310
[  432.642632]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  432.647403]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  432.652869]  ? zap_class+0x640/0x640
[  432.656601]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.662152]  ? check_preemption_disabled+0x48/0x280
[  432.667280]  ? __lock_is_held+0xb5/0x140
[  432.671355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.676959]  ? check_preemption_disabled+0x48/0x280
[  432.681994]  run_timer_softirq+0x52/0xb0
[  432.686068]  ? rcu_read_lock_sched_held+0x14f/0x180
[  432.691096]  __do_softirq+0x308/0xb7e
[  432.694930]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  432.699435]  ? lock_downgrade+0x900/0x900
[  432.703603]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  432.708724]  ? pvclock_read_flags+0x160/0x160
[  432.713258]  ? lapic_next_event+0x5a/0x90
[  432.717425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.723038]  ? kvm_clock_read+0x18/0x30
[  432.727024]  ? kvm_sched_clock_read+0x9/0x20
[  432.731453]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.737007]  ? check_preemption_disabled+0x48/0x280
[  432.742133]  irq_exit+0x17f/0x1c0
[  432.745603]  smp_apic_timer_interrupt+0x1cb/0x760
[  432.750511]  ? smp_reschedule_interrupt+0x109/0x650
[  432.755551]  ? smp_call_function_single_interrupt+0x650/0x650
[  432.761450]  ? interrupt_entry+0xb5/0xc0
[  432.765524]  ? trace_hardirqs_off_caller+0xbb/0x310
[  432.770555]  ? trace_hardirqs_off_caller+0xbb/0x310
[  432.775584]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  432.780494]  ? trace_hardirqs_on_caller+0x310/0x310
[  432.785522]  ? trace_hardirqs_on_caller+0x310/0x310
[  432.790548]  ? task_prio+0x50/0x50
[  432.794106]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.799654]  ? check_preemption_disabled+0x48/0x280
[  432.804744]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  432.809636]  apic_timer_interrupt+0xf/0x20
[  432.813875]  </IRQ>
[  432.816126] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  432.821067] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 14
[  432.839978] RSP: 0000:ffff8801bf14f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  432.847697] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  432.854975] RDX: 0000000000000000 RSI: ffff8801b68a4c40 RDI: 0000000000000286
[  432.862316] RBP: ffff8801bf14f7a0 R08: ffff8801b68a43c0 R09: 0000000000000000
[  432.869604] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  432.876885] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  432.884385]  skb_clone+0x1bb/0x500
[  432.887956]  ? finish_task_switch+0x2f4/0x910
[  432.892465]  ? skb_split+0x11e0/0x11e0
[  432.896365]  ? preempt_notifier_register+0x200/0x200
[  432.901480]  ? __switch_to_asm+0x34/0x70
[  432.905553]  ? __switch_to_asm+0x34/0x70
[  432.909684]  ? __switch_to_asm+0x40/0x70
[  432.913780]  ? __switch_to_asm+0x34/0x70
[  432.917892]  ? __switch_to_asm+0x40/0x70
[  432.921964]  ? __switch_to_asm+0x34/0x70
[  432.926036]  ? __switch_to_asm+0x40/0x70
[  432.930107]  ? __switch_to_asm+0x34/0x70
[  432.934179]  ? __switch_to_asm+0x34/0x70
[  432.938252]  ? __switch_to_asm+0x40/0x70
[  432.942326]  ? __switch_to_asm+0x34/0x70
[  432.946413]  bpf_clone_redirect+0xb9/0x490
[  432.950662]  ? __schedule+0x8d7/0x21d0
[  432.954572]  bpf_prog_bebbfe2050753572+0x6c2/0x1000
[  432.959606]  ? __sched_text_start+0x8/0x8
[  432.963911]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  432.968683]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  432.973275]  ? retint_kernel+0x2d/0x2d
[  432.977267]  ? find_held_lock+0x36/0x1c0
[  432.981351]  ? lock_acquire+0x1ed/0x520
[  432.985336]  ? bpf_test_run+0x3cb/0x780
[  432.989413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.994965]  ? check_preemption_disabled+0x48/0x280
[  433.000058]  ? kasan_check_read+0x11/0x20
[  433.004221]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  433.009508]  ? rcu_softirq_qs+0x20/0x20
[  433.013496]  ? preempt_schedule+0x4d/0x60
[  433.017657]  ? ___preempt_schedule+0x16/0x18
[  433.022270]  ? bpf_test_run+0x25d/0x780
[  433.026273]  ? netlink_diag_dump+0x2a0/0x2a0
[  433.030786]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  433.036336]  ? bpf_test_init.isra.10+0x70/0x100
[  433.041024]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  433.045818]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  433.050674]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  433.056227]  ? fput+0x130/0x1a0
[  433.059523]  ? __bpf_prog_get+0x9b/0x290
[  433.063596]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  433.068459]  ? bpf_prog_test_run+0x130/0x1a0
[  433.072882]  ? __x64_sys_bpf+0x3d8/0x520
[  433.076955]  ? bpf_prog_get+0x20/0x20
[  433.080814]  ? do_syscall_64+0x1b9/0x820
[  433.084892]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  433.090271]  ? syscall_return_slowpath+0x5e0/0x5e0
[  433.095211]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  433.100072]  ? trace_hardirqs_on_caller+0x310/0x310
[  433.105102]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  433.110138]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.115688]  ? prepare_exit_to_usermode+0x291/0x3b0
[  433.120726]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  433.125617]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  433.131010] CPU: 1 PID: 5666 Comm: syz-fuzzer Not tainted 4.19.0+ #74
[  433.131080] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  433.137599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  433.137604] Call Trace:
[  433.137611]  <IRQ>
[  433.137628]  dump_stack+0x244/0x39d
[  433.137646]  ? dump_stack_print_info.cold.1+0x20/0x20
[  433.144697] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  433.153509]  warn_alloc.cold.116+0xb7/0x1bd
[  433.153527]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  433.156232] syz-executor5 cpuset=syz5 mems_allowed=0
[  433.158394]  ? lock_downgrade+0x900/0x900
[  433.158418]  ? trace_hardirqs_off+0xb8/0x310
[  433.200634]  ? trace_hardirqs_off+0xb8/0x310
[  433.205068]  __alloc_pages_slowpath+0x26e8/0x2e10
[  433.209958]  ? warn_alloc+0x120/0x120
[  433.213796]  ? print_usage_bug+0xc0/0xc0
[  433.217875]  ? warn_alloc+0x120/0x120
[  433.221695]  ? warn_alloc+0x120/0x120
[  433.225509]  ? print_usage_bug+0xc0/0xc0
[  433.229594]  ? print_usage_bug+0xc0/0xc0
[  433.233672]  ? __lock_acquire+0x62f/0x4c20
[  433.237926]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  433.243478]  ? should_fail+0x22d/0xd01
[  433.247387]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  433.252504]  ? __lock_acquire+0x62f/0x4c20
[  433.256778]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  433.261896]  ? __lock_acquire+0x62f/0x4c20
[  433.266139]  ? should_fail+0x22d/0xd01
[  433.270037]  ? find_held_lock+0x36/0x1c0
[  433.274120]  ? mark_held_locks+0x130/0x130
[  433.278373]  ? mark_held_locks+0x130/0x130
[  433.282705]  ? zap_class+0x640/0x640
[  433.286433]  ? zap_class+0x640/0x640
[  433.290164]  ? print_usage_bug+0xc0/0xc0
[  433.294235]  ? do_raw_spin_unlock+0xa7/0x330
[  433.298660]  ? zap_class+0x640/0x640
[  433.302388]  ? print_usage_bug+0xc0/0xc0
[  433.306459]  ? wq_watchdog_touch+0x9c/0xfe
[  433.310708]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.316265]  ? check_preemption_disabled+0x48/0x280
[  433.321308]  ? __lock_is_held+0xb5/0x140
[  433.325391]  __alloc_pages_nodemask+0xa80/0xde0
[  433.330075]  ? zap_class+0x640/0x640
[  433.333832]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  433.338880]  ? find_held_lock+0x36/0x1c0
[  433.342966]  ? ____cache_alloc_node+0x1c7/0x1e0
[  433.347652]  ? lock_downgrade+0x900/0x900
[  433.351822]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.357378]  cache_grow_begin+0xa5/0x8c0
[  433.361455]  ? do_raw_spin_unlock+0xa7/0x330
[  433.365885]  fallback_alloc+0x204/0x2e0
[  433.369879]  ____cache_alloc_node+0x1c7/0x1e0
[  433.374452]  kmem_cache_alloc_node+0xe3/0x730
[  433.378961]  ? ipv6_get_ifaddr+0x42e/0x620
[  433.383221]  __alloc_skb+0x119/0x770
[  433.386945]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  433.392242]  ? netdev_alloc_frag+0x1f0/0x1f0
[  433.396670]  ? lock_downgrade+0x900/0x900
[  433.400845]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.406488]  ? refcount_sub_and_test_checked+0x203/0x310
[  433.412045]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  433.417511]  ? addrconf_rs_timer+0x690/0x690
[  433.421944]  ndisc_alloc_skb+0x144/0x340
[  433.426020]  ndisc_send_rs+0x331/0x6e0
[  433.429928]  addrconf_rs_timer+0x314/0x690
[  433.434178]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  433.438434]  call_timer_fn+0x272/0x920
[  433.442332]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  433.446672]  ? process_timeout+0x40/0x40
[  433.450778]  ? mark_held_locks+0xc7/0x130
[  433.455031]  ? _raw_spin_unlock_irq+0x27/0x80
[  433.459540]  ? _raw_spin_unlock_irq+0x27/0x80
[  433.464044]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  433.468297]  ? lockdep_hardirqs_on+0x296/0x5b0
[  433.472898]  ? trace_hardirqs_on+0xbd/0x310
[  433.477231]  ? kasan_check_read+0x11/0x20
[  433.481392]  ? __run_timers+0x7da/0xc70
[  433.485383]  ? trace_hardirqs_off_caller+0x310/0x310
[  433.490576]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  433.494830]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  433.499078]  __run_timers+0x7e5/0xc70
[  433.502965]  ? timer_fixup_init+0x70/0x70
[  433.507131]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  433.512165]  ? zap_class+0x640/0x640
[  433.515898]  ? print_usage_bug+0xc0/0xc0
[  433.519975]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  433.525276]  ? find_held_lock+0x36/0x1c0
[  433.529440]  ? zap_class+0x640/0x640
[  433.533172]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.538725]  ? check_preemption_disabled+0x48/0x280
[  433.543806]  ? __lock_is_held+0xb5/0x140
[  433.547880]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.553430]  ? check_preemption_disabled+0x48/0x280
[  433.558468]  run_timer_softirq+0x52/0xb0
[  433.562541]  ? rcu_read_lock_sched_held+0x14f/0x180
[  433.567568]  __do_softirq+0x308/0xb7e
[  433.571388]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  433.575895]  ? lock_downgrade+0x900/0x900
[  433.580056]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  433.585181]  ? pvclock_read_flags+0x160/0x160
[  433.589691]  ? lapic_next_event+0x5a/0x90
[  433.593859]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.599415]  ? kvm_clock_read+0x18/0x30
[  433.603406]  ? kvm_sched_clock_read+0x9/0x20
[  433.607829]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  433.613383]  ? check_preemption_disabled+0x48/0x280
[  433.618426]  irq_exit+0x17f/0x1c0
[  433.621900]  smp_apic_timer_interrupt+0x1cb/0x760
[  433.626785]  ? smp_reschedule_interrupt+0x109/0x650
[  433.631822]  ? smp_call_function_single_interrupt+0x650/0x650
[  433.637718]  ? interrupt_entry+0xb5/0xc0
[  433.641815]  ? trace_hardirqs_off_caller+0xbb/0x310
[  433.646843]  ? trace_hardirqs_off_caller+0xbb/0x310
[  433.651878]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  433.656741]  ? trace_hardirqs_on_caller+0x310/0x310
[  433.661814]  ? trace_hardirqs_on_caller+0x310/0x310
[  433.666857]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  433.671730]  apic_timer_interrupt+0xf/0x20
[  433.675990]  </IRQ>
[  433.678241] RIP: 0010:dump_stack+0x358/0x39d
[  433.682666] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 a1 9c fd f9 48 83 3d 29 00 8d 01 00 0f 84 63 fe ff ff e8 ee 69 ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db 69 ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  433.701575] RSP: 0000:ffff8801b9cce1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  433.709299] RAX: ffff8801d71b2040 RBX: 1ffffffff12a3f46 RCX: 1ffff1003ae36526
[  433.716578] RDX: 0000000000000000 RSI: ffffffff87c4fa12 RDI: 0000000000000293
[  433.723858] RBP: ffff8801b9cce290 R08: ffff8801d71b2930 R09: 0000000000000006
[  433.731140] R10: 0000000000000000 R11: ffff8801d71b2040 R12: 1ffff10037399c45
[  433.738443] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  433.745771]  ? dump_stack+0x34f/0x39d
[  433.749602]  ? dump_stack_print_info.cold.1+0x20/0x20
[  433.754817]  ? mark_held_locks+0x130/0x130
[  433.759066]  ? mark_held_locks+0x130/0x130
[  433.763428]  dump_header+0x27b/0xf72
[  433.767171]  ? pagefault_out_of_memory+0x197/0x197
[  433.772472]  ? __lock_acquire+0x62f/0x4c20
[  433.776723]  ? percpu_ref_get_many+0x240/0x240
[  433.781349]  ? print_usage_bug+0xc0/0xc0
[  433.785431]  ? zap_class+0x640/0x640
[  433.789159]  ? print_usage_bug+0xc0/0xc0
[  433.793231]  ? print_usage_bug+0xc0/0xc0
[  433.797309]  ? zap_class+0x640/0x640
[  433.801040]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.806595]  ? find_held_lock+0x36/0x1c0
[  433.810684]  ? mark_held_locks+0xc7/0x130
[  433.814850]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  433.819966]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  433.825084]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  433.829679]  ? trace_hardirqs_on+0xbd/0x310
[  433.834017]  ? kasan_check_read+0x11/0x20
[  433.838270]  ? ___ratelimit+0x3b4/0x672
[  433.842279]  ? trace_hardirqs_off_caller+0x310/0x310
[  433.847398]  ? trace_hardirqs_on+0x310/0x310
[  433.851821]  ? lock_downgrade+0x900/0x900
[  433.855993]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  433.861111]  ? ___ratelimit+0x3b9/0x672
[  433.865107]  ? idr_get_free+0xf80/0xf80
[  433.869093]  ? find_held_lock+0x36/0x1c0
[  433.873230]  oom_kill_process.cold.27+0x10/0x903
[  433.878006]  ? zap_class+0x640/0x640
[  433.881824]  ? check_preemption_disabled+0x48/0x280
[  433.886855]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  433.891814]  ? kasan_check_read+0x11/0x20
[  433.895973]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  433.901272]  ? oom_evaluate_task+0x540/0x540
[  433.906197]  ? find_held_lock+0x36/0x1c0
[  433.910288]  ? out_of_memory+0x974/0x1430
[  433.914450]  ? lock_downgrade+0x900/0x900
[  433.918613]  ? check_preemption_disabled+0x48/0x280
[  433.923769]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  433.928716]  ? kasan_check_read+0x11/0x20
[  433.932899]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  433.938191]  ? rcu_softirq_qs+0x20/0x20
[  433.942184]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  433.947819]  ? oom_evaluate_task+0x302/0x540
[  433.952250]  out_of_memory+0xa84/0x1430
[  433.956255]  ? oom_killer_disable+0x3a0/0x3a0
[  433.960791]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  433.965737]  ? __ww_mutex_check_waiters+0x160/0x160
[  433.970827]  __alloc_pages_slowpath+0x2354/0x2e10
[  433.975713]  ? warn_alloc+0x120/0x120
[  433.979613]  ? mark_held_locks+0x130/0x130
[  433.983867]  ? find_get_entry+0xaae/0x1120
[  433.988127]  ? filemap_map_pages+0x1a20/0x1a20
[  433.992851]  ? zap_class+0x640/0x640
[  433.996587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.002143]  ? check_preemption_disabled+0x48/0x280
[  434.007176]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  434.012725]  ? should_fail+0x22d/0xd01
[  434.016651]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  434.021789]  ? zap_class+0x640/0x640
[  434.025550]  ? __lock_is_held+0xb5/0x140
[  434.029635]  ? mark_held_locks+0x130/0x130
[  434.033885]  ? lock_release+0xa00/0xa00
[  434.037874]  ? perf_trace_sched_process_exec+0x860/0x860
[  434.043337]  ? xa_load+0x2ba/0x460
[  434.046891]  ? lock_downgrade+0x900/0x900
[  434.051058]  ? __might_sleep+0x95/0x190
[  434.055052]  __alloc_pages_nodemask+0xa80/0xde0
[  434.059745]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  434.064813]  ? __page_cache_alloc+0x191/0x5c0
[  434.069318]  ? xa_load+0x2e1/0x460
[  434.072921]  ? xa_clear_mark+0x40/0x40
[  434.076831]  ? zap_class+0x640/0x640
[  434.080569]  ? zap_class+0x640/0x640
[  434.084298]  ? zap_class+0x640/0x640
[  434.088032]  ? __do_page_cache_readahead+0x663/0x810
[  434.093154]  ? find_held_lock+0x36/0x1c0
[  434.097236]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  434.102814]  alloc_pages_current+0x173/0x350
[  434.107247]  __page_cache_alloc+0x38c/0x5c0
[  434.111584]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  434.116539]  ? kasan_check_read+0x11/0x20
[  434.120701]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  434.126000]  ? generic_perform_write+0x6a0/0x6a0
[  434.130794]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  434.136351]  ? check_preemption_disabled+0x48/0x280
[  434.141388]  filemap_fault+0x1595/0x25f0
[  434.145477]  ? __lock_page_or_retry+0xa00/0xa00
[  434.150170]  ? mark_held_locks+0x130/0x130
[  434.154436]  ? filemap_map_pages+0xd6b/0x1a20
[  434.159079]  ? lock_downgrade+0x900/0x900
[  434.163307]  ? check_preemption_disabled+0x48/0x280
[  434.168339]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  434.173282]  ? kasan_check_read+0x11/0x20
[  434.177447]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  434.182734]  ? rcu_softirq_qs+0x20/0x20
[  434.186780]  ? filemap_map_pages+0xd92/0x1a20
[  434.191297]  ? __lock_acquire+0x62f/0x4c20
[  434.195560]  ? find_get_entries_tag+0x1400/0x1400
[  434.200438]  ? lock_acquire+0x1ed/0x520
[  434.204426]  ? ext4_filemap_fault+0x7a/0xad
[  434.208788]  ? lock_release+0xa00/0xa00
[  434.212803]  ? perf_trace_sched_process_exec+0x860/0x860
[  434.218275]  ? print_usage_bug+0xc0/0xc0
[  434.222353]  ? print_usage_bug+0xc0/0xc0
[  434.226442]  ? down_read+0x8d/0x120
[  434.230084]  ? ext4_filemap_fault+0x7a/0xad
[  434.234418]  ? __down_interruptible+0x700/0x700
[  434.239111]  ext4_filemap_fault+0x82/0xad
[  434.243284]  __do_fault+0x100/0x6b0
[  434.246935]  ? pmd_devmap_trans_unstable+0x220/0x220
[  434.252062]  ? mark_held_locks+0x130/0x130
[  434.256370]  ? mark_held_locks+0x130/0x130
[  434.260621]  ? __might_fault+0x12b/0x1e0
[  434.264697]  ? lock_downgrade+0x900/0x900
[  434.268865]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  434.274423]  __handle_mm_fault+0x3ea6/0x5be0
[  434.278860]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  434.283725]  ? kasan_check_read+0x11/0x20
[  434.287907]  ? _copy_to_user+0xc8/0x110
[  434.291903]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  434.297466]  ? zap_class+0x640/0x640
[  434.301193]  ? zap_class+0x640/0x640
[  434.304927]  ? find_held_lock+0x36/0x1c0
[  434.309012]  ? handle_mm_fault+0x42a/0xc70
[  434.313266]  ? lock_downgrade+0x900/0x900
[  434.317427]  ? check_preemption_disabled+0x48/0x280
[  434.322466]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  434.327411]  ? kasan_check_read+0x11/0x20
[  434.331570]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  434.336867]  ? rcu_softirq_qs+0x20/0x20
[  434.340858]  ? trace_hardirqs_off_caller+0x310/0x310
[  434.345977]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  434.351529]  ? check_preemption_disabled+0x48/0x280
[  434.356690]  handle_mm_fault+0x54f/0xc70
[  434.360793]  ? __handle_mm_fault+0x5be0/0x5be0
[  434.365397]  ? find_vma+0x34/0x190
[  434.368954]  __do_page_fault+0x5e8/0xe60
[  434.373029]  ? trace_hardirqs_off+0xb8/0x310
[  434.377447]  ? retint_kernel+0x2d/0x2d
[  434.381366]  do_page_fault+0xf2/0x7e0
[  434.385182]  ? vmalloc_sync_all+0x30/0x30
[  434.389346]  ? error_entry+0x70/0xd0
[  434.393078]  ? trace_hardirqs_off_caller+0xbb/0x310
[  434.398109]  ? trace_hardirqs_on_caller+0xc0/0x310
[  434.403052]  ? syscall_return_slowpath+0x5e0/0x5e0
[  434.408056]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  434.412918]  ? trace_hardirqs_on_caller+0x310/0x310
[  434.417944]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  434.423499]  ? prepare_exit_to_usermode+0x291/0x3b0
[  434.428534]  ? page_fault+0x8/0x30
[  434.432110]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  434.436972]  ? page_fault+0x8/0x30
[  434.440531]  page_fault+0x1e/0x30
[  434.443999] RIP: 0033:0x45d911
[  434.447218] Code: Bad RIP value.
[  434.450591] RSP: 002b:000000c420035f18 EFLAGS: 00010246
[  434.455964] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 000000000045d911
[  434.463244] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  434.470526] RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
[  434.477809] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  434.485087] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  434.492394] warn_alloc_show_mem: 1 callbacks suppressed
[  434.492407] CPU: 0 PID: 11721 Comm: syz-executor5 Not tainted 4.19.0+ #74
[  434.492408] Mem-Info:
[  434.492439] active_anon:50643 inactive_anon:847 isolated_anon:0
[  434.492439]  active_file:14 inactive_file:13 isolated_file:0
[  434.492439]  unevictable:0 dirty:0 writeback:0 unstable:0
[  434.492439]  slab_reclaimable:9230 slab_unreclaimable:1469886
[  434.492439]  mapped:49154 shmem:854 pagetables:629 bounce:0
[  434.492439]  free:13794 free_pcp:158 free_cma:0
[  434.497823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  434.504803] Node 0 active_anon:202572kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3416kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  434.507216] Call Trace:
[  434.540105] 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
[  434.549466]  <IRQ>
[  434.577130] lowmem_reserve[]: 0 2818 6321 6321
[  434.579739]  dump_stack+0x244/0x39d
[  434.605990] Node 0 DMA32 free:25280kB min:30052kB low:37564kB high:45076kB active_anon:236kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  434.608158]  ? dump_stack_print_info.cold.1+0x20/0x20
[  434.612720] lowmem_reserve[]: 0 0 3503 3503
[  434.616421]  warn_alloc.cold.116+0xb7/0x1bd
[  434.643909] Node 0 Normal free:13988kB min:37364kB low:46704kB high:56044kB active_anon:202336kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:412kB local_pcp:252kB free_cma:0kB
[  434.649227]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  434.653528] lowmem_reserve[]: 0 0 0 0
[  434.657864]  ? lock_downgrade+0x900/0x900
[  434.686825] 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
[  434.691686]  ? trace_hardirqs_off+0xb8/0x310
[  434.695464] Node 0 DMA32: 2*4kB (H) 3*8kB (UMH) 2*16kB (M) 2*32kB (MH) 5*64kB (MH) 4*128kB (M) 5*256kB (MH) 5*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 25280kB
[  434.699630]  ? trace_hardirqs_off+0xb8/0x310
[  434.713353] Node 0 Normal: 737*4kB (UMEH) 442*8kB (UME) 213*16kB (UME) 70*32kB (UME) 7*64kB (UMH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13988kB
[  434.717812]  ? noop_count+0x40/0x40
[  434.733304] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  434.737724]  __alloc_pages_slowpath+0x26e8/0x2e10
[  434.753051] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  434.756700]  ? check_usage+0x1aa/0x790
[  434.765503] 881 total pagecache pages
[  434.770351]  ? warn_alloc+0x120/0x120
[  434.778920] 0 pages in swap cache
[  434.782820]  ? warn_alloc+0x120/0x120
[  434.786603] Swap cache stats: add 0, delete 0, find 0/0
[  434.786612] Free swap  = 0kB
[  434.790414]  ? __bfs+0xb0/0x780
[  434.793855] Total swap = 0kB
[  434.797659]  ? warn_alloc+0x120/0x120
[  434.803006] 1965979 pages RAM
[  434.806029]  ? print_usage_bug+0xc0/0xc0
[  434.809287] 0 pages HighMem/MovableOnly
[  434.809295] 342858 pages reserved
[  434.812332]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  434.816101] 0 pages cma reserved
[  434.816173] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  434.819219]  ? should_fail+0x22d/0xd01
[  434.823402] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  434.827257]  ? trace_event_raw_event_lock_acquire+0x440/0x440
[  434.830703] syz-fuzzer cpuset=/ mems_allowed=0
[  434.836245]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  434.875805]  ? __lock_acquire+0x62f/0x4c20
[  434.880067]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  434.885244]  ? should_fail+0x22d/0xd01
[  434.889156]  ? mark_held_locks+0x130/0x130
[  434.893407]  ? mark_held_locks+0x130/0x130
[  434.897655]  ? print_usage_bug+0xc0/0xc0
[  434.901734]  ? find_held_lock+0x36/0x1c0
[  434.905836]  ? zap_class+0x640/0x640
[  434.909569]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.915125]  ? check_preemption_disabled+0x48/0x280
[  434.920165]  ? __lock_is_held+0xb5/0x140
[  434.924248]  __alloc_pages_nodemask+0xa80/0xde0
[  434.928932]  ? zap_class+0x640/0x640
[  434.932664]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  434.937704]  ? find_held_lock+0x36/0x1c0
[  434.941812]  ? ____cache_alloc_node+0x1c7/0x1e0
[  434.946495]  ? lock_downgrade+0x900/0x900
[  434.950667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.956228]  cache_grow_begin+0xa5/0x8c0
[  434.960304]  ? do_raw_spin_unlock+0xa7/0x330
[  434.964736]  fallback_alloc+0x204/0x2e0
[  434.968781]  ____cache_alloc_node+0x1c7/0x1e0
[  434.973356]  kmem_cache_alloc_node+0xe3/0x730
[  434.977867]  ? mark_held_locks+0xc7/0x130
[  434.982039]  __alloc_skb+0x119/0x770
[  434.985798]  ? netdev_alloc_frag+0x1f0/0x1f0
[  434.990218]  ? do_raw_spin_trylock+0x270/0x270
[  434.994822]  ? kmem_cache_alloc_trace+0x353/0x750
[  434.999684]  ? queue_work_on+0x12c/0x1e0
[  435.003856]  ? switchdev_port_obj_del+0xdc/0x440
[  435.008733]  ? switchdev_trans_item_enqueue+0x260/0x260
[  435.014135]  ? mod_timer+0x631/0x1560
[  435.017945]  ? wake_up_klogd+0x180/0x180
[  435.022022]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  435.027126]  __br_mdb_notify+0x4ff/0x15d0
[  435.031308]  ? __br_mdb_add+0x7f0/0x7f0
[  435.035308]  ? zap_class+0x640/0x640
[  435.039044]  ? br_multicast_group_expired+0x96/0x610
[  435.044173]  br_mdb_notify+0x310/0x410
[  435.048078]  ? br_mdb_dump+0x27b0/0x27b0
[  435.052159]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.057717]  br_multicast_group_expired+0x1bc/0x610
[  435.062796]  ? br_mdb_free+0x80/0x80
[  435.066539]  call_timer_fn+0x272/0x920
[  435.070435]  ? br_mdb_free+0x80/0x80
[  435.074164]  ? process_timeout+0x40/0x40
[  435.078242]  ? __run_timers+0x7da/0xc70
[  435.082238]  ? _raw_spin_unlock_irq+0x27/0x80
[  435.086746]  ? _raw_spin_unlock_irq+0x27/0x80
[  435.091276]  ? br_mdb_free+0x80/0x80
[  435.095009]  ? lockdep_hardirqs_on+0x296/0x5b0
[  435.099607]  ? trace_hardirqs_on+0xbd/0x310
[  435.103949]  ? kasan_check_read+0x11/0x20
[  435.108109]  ? __run_timers+0x7da/0xc70
[  435.112104]  ? trace_hardirqs_off_caller+0x310/0x310
[  435.117226]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  435.121479]  ? br_mdb_free+0x80/0x80
[  435.125262]  __run_timers+0x7e5/0xc70
[  435.129087]  ? timer_fixup_init+0x70/0x70
[  435.133248]  ? kasan_check_read+0x11/0x20
[  435.137408]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  435.142700]  ? rcu_softirq_qs+0x20/0x20
[  435.146743]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.152320]  ? check_preemption_disabled+0x48/0x280
[  435.157355]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  435.162185]  ? retint_kernel+0x2d/0x2d
[  435.166147]  ? trace_hardirqs_on_caller+0xc0/0x310
[  435.171093]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  435.175874]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  435.181340]  ? zap_class+0x640/0x640
[  435.185074]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.190628]  ? check_preemption_disabled+0x48/0x280
[  435.195668]  ? __lock_is_held+0xb5/0x140
[  435.199746]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.205408]  ? check_preemption_disabled+0x48/0x280
[  435.210446]  run_timer_softirq+0x52/0xb0
[  435.214522]  ? rcu_read_lock_sched_held+0x14f/0x180
[  435.219548]  __do_softirq+0x308/0xb7e
[  435.223372]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  435.227880]  ? lock_downgrade+0x900/0x900
[  435.232045]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  435.237167]  ? pvclock_read_flags+0x160/0x160
[  435.241676]  ? lapic_next_event+0x5a/0x90
[  435.245841]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.251400]  ? kvm_clock_read+0x18/0x30
[  435.255388]  ? kvm_sched_clock_read+0x9/0x20
[  435.259828]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.265382]  ? check_preemption_disabled+0x48/0x280
[  435.270419]  irq_exit+0x17f/0x1c0
[  435.273887]  smp_apic_timer_interrupt+0x1cb/0x760
[  435.278745]  ? smp_reschedule_interrupt+0x109/0x650
[  435.283813]  ? smp_call_function_single_interrupt+0x650/0x650
[  435.289709]  ? interrupt_entry+0xb5/0xc0
[  435.293803]  ? trace_hardirqs_off_caller+0xbb/0x310
[  435.298840]  ? trace_hardirqs_off_caller+0xbb/0x310
[  435.304054]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  435.308914]  ? trace_hardirqs_on_caller+0x310/0x310
[  435.313941]  ? trace_hardirqs_on_caller+0x310/0x310
[  435.319027]  ? task_prio+0x50/0x50
[  435.322586]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.328141]  ? check_preemption_disabled+0x48/0x280
[  435.333180]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  435.338048]  apic_timer_interrupt+0xf/0x20
[  435.342291]  </IRQ>
[  435.344544] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  435.349485] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 14
[  435.368396] RSP: 0000:ffff8801bf14f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  435.376116] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  435.383395] RDX: 0000000000000000 RSI: ffff8801b68a4c40 RDI: 0000000000000286
[  435.390678] RBP: ffff8801bf14f7a0 R08: ffff8801b68a43c0 R09: 0000000000000000
[  435.397960] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  435.405237] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  435.412566]  skb_clone+0x1bb/0x500
[  435.416123]  ? finish_task_switch+0x2f4/0x910
[  435.420634]  ? skb_split+0x11e0/0x11e0
[  435.424538]  ? preempt_notifier_register+0x200/0x200
[  435.429659]  ? __switch_to_asm+0x34/0x70
[  435.433733]  ? __switch_to_asm+0x34/0x70
[  435.437925]  ? __switch_to_asm+0x40/0x70
[  435.441996]  ? __switch_to_asm+0x34/0x70
[  435.446068]  ? __switch_to_asm+0x40/0x70
[  435.450139]  ? __switch_to_asm+0x34/0x70
[  435.454210]  ? __switch_to_asm+0x40/0x70
[  435.458280]  ? __switch_to_asm+0x34/0x70
[  435.462355]  ? __switch_to_asm+0x34/0x70
[  435.466429]  ? __switch_to_asm+0x40/0x70
[  435.470499]  ? __switch_to_asm+0x34/0x70
[  435.474583]  bpf_clone_redirect+0xb9/0x490
[  435.478830]  ? __schedule+0x8d7/0x21d0
[  435.482740]  bpf_prog_bebbfe2050753572+0x6c2/0x1000
[  435.487817]  ? __sched_text_start+0x8/0x8
[  435.491979]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  435.496850]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  435.501446]  ? retint_kernel+0x2d/0x2d
[  435.505527]  ? find_held_lock+0x36/0x1c0
[  435.509695]  ? lock_acquire+0x1ed/0x520
[  435.513684]  ? bpf_test_run+0x3cb/0x780
[  435.517674]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.523281]  ? check_preemption_disabled+0x48/0x280
[  435.528320]  ? kasan_check_read+0x11/0x20
[  435.532480]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  435.537790]  ? rcu_softirq_qs+0x20/0x20
[  435.541803]  ? preempt_schedule+0x4d/0x60
[  435.546134]  ? ___preempt_schedule+0x16/0x18
[  435.550568]  ? bpf_test_run+0x25d/0x780
[  435.554566]  ? netlink_diag_dump+0x2a0/0x2a0
[  435.558995]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  435.564543]  ? bpf_test_init.isra.10+0x70/0x100
[  435.569230]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  435.574008]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  435.578878]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  435.584441]  ? fput+0x130/0x1a0
[  435.587737]  ? __bpf_prog_get+0x9b/0x290
[  435.591849]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  435.596704]  ? bpf_prog_test_run+0x130/0x1a0
[  435.601134]  ? __x64_sys_bpf+0x3d8/0x520
[  435.605225]  ? bpf_prog_get+0x20/0x20
[  435.609079]  ? do_syscall_64+0x1b9/0x820
[  435.613159]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  435.618536]  ? syscall_return_slowpath+0x5e0/0x5e0
[  435.623478]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  435.628426]  ? trace_hardirqs_on_caller+0x310/0x310
[  435.633516]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  435.638547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.644155]  ? prepare_exit_to_usermode+0x291/0x3b0
[  435.649189]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  435.654053]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  435.659449] CPU: 1 PID: 5666 Comm: syz-fuzzer Not tainted 4.19.0+ #74
[  435.659482] rcu: INFO: rcu_preempt self-detected stall on CPU
[  435.666046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  435.666054] Call Trace:
[  435.672174] rcu: 	0-...!: (93 ticks this GP) idle=422/1/0x4000000000000004 softirq=220442/220442 fqs=0 
[  435.681288]  <IRQ>
[  435.681308]  dump_stack+0x244/0x39d
[  435.681325]  ? dump_stack_print_info.cold.1+0x20/0x20
[  435.681352]  warn_alloc.cold.116+0xb7/0x1bd
[  435.681369]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  435.681388]  ? lock_downgrade+0x900/0x900
[  435.681413]  ? trace_hardirqs_off+0xb8/0x310
[  435.681433]  ? trace_hardirqs_off+0xb8/0x310
[  435.681456]  __alloc_pages_slowpath+0x26e8/0x2e10
[  435.681499]  ? warn_alloc+0x120/0x120
[  435.684330] rcu: 	 (t=10710 jiffies g=46205 q=7)
[  435.693878]  ? warn_alloc+0x120/0x120
[  435.696027] rcu: rcu_preempt kthread starved for 10710 jiffies! g46205 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[  435.699817]  ? warn_alloc+0x120/0x120
[  435.704987] rcu: RCU grace-period kthread stack dump:
[  435.704998] rcu_preempt     R  running task    21384    10      2 0x80000000
[  435.709326]  ? print_usage_bug+0xc0/0xc0
[  435.714153] Call Trace:
[  435.718312]  ? print_usage_bug+0xc0/0xc0
[  435.722715]  __schedule+0x8cf/0x21d0
[  435.727118]  ? find_held_lock+0x36/0x1c0
[  435.732018]  ? __sched_text_start+0x8/0x8
[  435.735837]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  435.740591]  ? add_timer_on+0xa20/0xa20
[  435.744384]  ? should_fail+0x22d/0xd01
[  435.754941]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  435.758741]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  435.763958]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  435.771502]  ? __lock_acquire+0x62f/0x4c20
[  435.775570]  ? trace_hardirqs_on+0xbd/0x310
[  435.778155]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  435.782212]  ? kasan_check_read+0x11/0x20
[  435.785920]  ? should_fail+0x22d/0xd01
[  435.789986]  ? prepare_to_swait_event+0x25a/0x800
[  435.794137]  ? mark_held_locks+0x130/0x130
[  435.799667]  ? trace_hardirqs_off_caller+0x310/0x310
[  435.803642]  ? mark_held_locks+0x130/0x130
[  435.807534]  schedule+0xfe/0x460
[  435.812687]  ? print_usage_bug+0xc0/0xc0
[  435.817802]  ? __schedule+0x21d0/0x21d0
[  435.822907]  ? find_held_lock+0x36/0x1c0
[  435.827140]  ? prepare_to_swait_event+0x25a/0x800
[  435.831453]  ? zap_class+0x640/0x640
[  435.836737]  ? __init_swait_queue_head+0x150/0x150
[  435.840989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.844871]  ? __lockdep_init_map+0x105/0x590
[  435.849711]  ? check_preemption_disabled+0x48/0x280
[  435.853943]  ? lockdep_init_map+0x9/0x10
[  435.859053]  ? __lock_is_held+0xb5/0x140
[  435.863284]  schedule_timeout+0x140/0x260
[  435.866654]  __alloc_pages_nodemask+0xa80/0xde0
[  435.870705]  ? usleep_range+0x1a0/0x1a0
[  435.874675]  ? zap_class+0x640/0x640
[  435.878775]  ? __next_timer_interrupt+0x1a0/0x1a0
[  435.883613]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  435.887330]  rcu_gp_fqs_loop+0x762/0xa80
[  435.892252]  ? find_held_lock+0x36/0x1c0
[  435.897811]  ? rcu_gp_fqs_check_wake+0x170/0x170
[  435.902821]  ? ____cache_alloc_node+0x1c7/0x1e0
[  435.907834]  ? trace_hardirqs_off_caller+0x310/0x310
[  435.911889]  ? lock_downgrade+0x900/0x900
[  435.915951]  ? perf_trace_sched_process_exec+0x860/0x860
[  435.920097]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.924781]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.928774]  cache_grow_begin+0xa5/0x8c0
[  435.932490]  ? rcu_gp_init+0x90b/0x1260
[  435.937324]  ? do_raw_spin_unlock+0xa7/0x330
[  435.942387]  ? dump_blkd_tasks.isra.48+0xe0/0xe0
[  435.946446]  fallback_alloc+0x204/0x2e0
[  435.950501]  ? rcu_accelerate_cbs+0x562/0xae0
[  435.955255]  ____cache_alloc_node+0x1c7/0x1e0
[  435.959920]  ? zap_class+0x640/0x640
[  435.965019]  kmem_cache_alloc_node+0xe3/0x730
[  435.969159]  ? zap_class+0x640/0x640
[  435.974602]  ? mark_held_locks+0xc7/0x130
[  435.980233]  ? __lock_is_held+0xb5/0x140
[  435.985785]  __alloc_skb+0x119/0x770
[  435.989895]  ? __lock_is_held+0xb5/0x140
[  435.993930]  ? netdev_alloc_frag+0x1f0/0x1f0
[  435.998332]  ? zap_class+0x640/0x640
[  436.003086]  ? do_raw_spin_trylock+0x270/0x270
[  436.007060]  ? rcu_accelerate_cbs+0x562/0xae0
[  436.011604]  ? kmem_cache_alloc_trace+0x353/0x750
[  436.016103]  ? find_held_lock+0x36/0x1c0
[  436.019825]  ? queue_work_on+0x12c/0x1e0
[  436.024370]  ? rcu_gp_kthread+0x8cf/0xc70
[  436.028079]  ? switchdev_port_obj_del+0xdc/0x440
[  436.032225]  ? _raw_spin_unlock_irq+0x27/0x80
[  436.036299]  ? switchdev_trans_item_enqueue+0x260/0x260
[  436.040008]  ? _raw_spin_unlock_irq+0x27/0x80
[  436.044063]  ? mod_timer+0x631/0x1560
[  436.048468]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  436.052307]  ? wake_up_klogd+0x180/0x180
[  436.056889]  ? trace_hardirqs_on+0xbd/0x310
[  436.061381]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  436.066362]  ? kasan_check_read+0x11/0x20
[  436.070417]  __br_mdb_notify+0x4ff/0x15d0
[  436.074471]  ? trace_hardirqs_off_caller+0x310/0x310
[  436.078625]  ? __br_mdb_add+0x7f0/0x7f0
[  436.083383]  ? perf_trace_sched_process_exec+0x860/0x860
[  436.087881]  ? zap_class+0x640/0x640
[  436.093238]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.097818]  ? br_multicast_group_expired+0x96/0x610
[  436.101616]  rcu_gp_kthread+0x341/0xc70
[  436.106194]  br_mdb_notify+0x310/0x410
[  436.110422]  ? rcu_gp_init+0x1260/0x1260
[  436.114742]  ? br_mdb_dump+0x27b0/0x27b0
[  436.119801]  ? mark_held_locks+0x130/0x130
[  436.123954]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.128094]  ? __schedule+0x168a/0x21d0
[  436.133200]  br_multicast_group_expired+0x1bc/0x610
[  436.137165]  ? _raw_spin_unlock_irq+0x27/0x80
[  436.142612]  ? br_mdb_free+0x80/0x80
[  436.146323]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  436.151860]  call_timer_fn+0x272/0x920
[  436.156953]  ? trace_hardirqs_on+0xbd/0x310
[  436.160920]  ? br_mdb_free+0x80/0x80
[  436.164827]  ? kasan_check_read+0x11/0x20
[  436.168881]  ? process_timeout+0x40/0x40
[  436.172938]  ? __schedule+0x168a/0x21d0
[  436.177180]  ? mark_held_locks+0xc7/0x130
[  436.182708]  ? trace_hardirqs_off_caller+0x310/0x310
[  436.186678]  ? _raw_spin_unlock_irq+0x27/0x80
[  436.191687]  ? lock_pin_lock+0x350/0x350
[  436.196177]  ? _raw_spin_unlock_irq+0x27/0x80
[  436.199888]  ? _raw_spin_unlock_irq+0x60/0x80
[  436.204452]  ? br_mdb_free+0x80/0x80
[  436.204470]  ? lockdep_hardirqs_on+0x296/0x5b0
[  436.208350]  ? __schedule+0x168a/0x21d0
[  436.212666]  ? trace_hardirqs_on+0xbd/0x310
[  436.216378]  ? __switch_to_asm+0x40/0x70
[  436.220522]  ? kasan_check_read+0x11/0x20
[  436.220537]  ? __run_timers+0x7da/0xc70
[  436.224656]  ? __switch_to_asm+0x40/0x70
[  436.228634]  ? trace_hardirqs_off_caller+0x310/0x310
[  436.232872]  ? cpufreq_remove_update_util_hook+0x31/0x110
[  436.237974]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  436.242465]  ? __sched_text_start+0x8/0x8
[  436.246522]  ? br_mdb_free+0x80/0x80
[  436.251023]  ? find_held_lock+0x36/0x1c0
[  436.255508]  __run_timers+0x7e5/0xc70
[  436.259229]  ? __kthread_parkme+0xce/0x1a0
[  436.263829]  ? timer_fixup_init+0x70/0x70
[  436.267860]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  436.272180]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  436.276237]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  436.280381]  ? zap_class+0x640/0x640
[  436.284442]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  436.288502]  ? print_usage_bug+0xc0/0xc0
[  436.293602]  ? trace_hardirqs_on+0xbd/0x310
[  436.299134]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  436.303359]  ? kasan_check_read+0x11/0x20
[  436.303377]  ? __kthread_parkme+0xce/0x1a0
[  436.307527]  ? find_held_lock+0x36/0x1c0
[  436.311239]  ? trace_hardirqs_off_caller+0x310/0x310
[  436.315296]  ? zap_class+0x640/0x640
[  436.319103]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  436.323327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.327472]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  436.332571]  ? check_preemption_disabled+0x48/0x280
[  436.337586]  ? __kthread_parkme+0xfb/0x1a0
[  436.342689]  ? __lock_is_held+0xb5/0x140
[  436.346462]  ? rcu_gp_init+0x1260/0x1260
[  436.351038]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.355097]  kthread+0x35a/0x440
[  436.359420]  ? check_preemption_disabled+0x48/0x280
[  436.364604]  ? kthread_stop+0x900/0x900
[  436.368746]  run_timer_softirq+0x52/0xb0
[  436.373020]  ret_from_fork+0x3a/0x50
[  436.377081]  ? rcu_read_lock_sched_held+0x14f/0x180
[  436.382188] NMI backtrace for cpu 0
[  436.385891]  __do_softirq+0x308/0xb7e
[  436.457505]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  436.462017]  ? lock_downgrade+0x900/0x900
[  436.466198]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  436.471384]  ? pvclock_read_flags+0x160/0x160
[  436.475897]  ? lapic_next_event+0x5a/0x90
[  436.480065]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.485675]  ? kvm_clock_read+0x18/0x30
[  436.489665]  ? kvm_sched_clock_read+0x9/0x20
[  436.494208]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  436.499781]  ? check_preemption_disabled+0x48/0x280
[  436.504834]  irq_exit+0x17f/0x1c0
[  436.508313]  smp_apic_timer_interrupt+0x1cb/0x760
[  436.513171]  ? smp_reschedule_interrupt+0x109/0x650
[  436.518209]  ? smp_call_function_single_interrupt+0x650/0x650
[  436.524186]  ? interrupt_entry+0xb5/0xc0
[  436.528273]  ? trace_hardirqs_off_caller+0xbb/0x310
[  436.533305]  ? trace_hardirqs_off_caller+0xbb/0x310
[  436.538337]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  436.543194]  ? trace_hardirqs_on_caller+0x310/0x310
[  436.548243]  ? trace_hardirqs_on_caller+0x310/0x310
[  436.553296]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  436.558233]  apic_timer_interrupt+0xf/0x20
[  436.562478]  </IRQ>
[  436.564729] RIP: 0010:dump_stack+0x358/0x39d
[  436.569171] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 a1 9c fd f9 48 83 3d 29 00 8d 01 00 0f 84 63 fe ff ff e8 ee 69 ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db 69 ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  436.588088] RSP: 0000:ffff8801b9cce1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  436.595813] RAX: ffff8801d71b2040 RBX: 1ffffffff12a3f46 RCX: 1ffff1003ae36526
[  436.603092] RDX: 0000000000000000 RSI: ffffffff87c4fa12 RDI: 0000000000000293
[  436.610372] RBP: ffff8801b9cce290 R08: ffff8801d71b2930 R09: 0000000000000006
[  436.617656] R10: 0000000000000000 R11: ffff8801d71b2040 R12: 1ffff10037399c45
[  436.624936] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  436.632242]  ? dump_stack+0x34f/0x39d
[  436.636075]  ? dump_stack_print_info.cold.1+0x20/0x20
[  436.641292]  ? mark_held_locks+0x130/0x130
[  436.645545]  ? mark_held_locks+0x130/0x130
[  436.649822]  dump_header+0x27b/0xf72
[  436.653562]  ? pagefault_out_of_memory+0x197/0x197
[  436.658514]  ? __lock_acquire+0x62f/0x4c20
[  436.662783]  ? percpu_ref_get_many+0x240/0x240
[  436.667392]  ? print_usage_bug+0xc0/0xc0
[  436.671476]  ? zap_class+0x640/0x640
[  436.675219]  ? print_usage_bug+0xc0/0xc0
[  436.679297]  ? print_usage_bug+0xc0/0xc0
[  436.683374]  ? zap_class+0x640/0x640
[  436.687105]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.692663]  ? find_held_lock+0x36/0x1c0
[  436.696749]  ? mark_held_locks+0xc7/0x130
[  436.700945]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  436.706058]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  436.711182]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  436.715800]  ? trace_hardirqs_on+0xbd/0x310
[  436.720135]  ? kasan_check_read+0x11/0x20
[  436.724298]  ? ___ratelimit+0x3b4/0x672
[  436.728293]  ? trace_hardirqs_off_caller+0x310/0x310
[  436.733496]  ? trace_hardirqs_on+0x310/0x310
[  436.737930]  ? lock_downgrade+0x900/0x900
[  436.742104]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  436.747223]  ? ___ratelimit+0x3b9/0x672
[  436.751274]  ? idr_get_free+0xf80/0xf80
[  436.755266]  ? find_held_lock+0x36/0x1c0
[  436.759356]  oom_kill_process.cold.27+0x10/0x903
[  436.764124]  ? zap_class+0x640/0x640
[  436.767856]  ? check_preemption_disabled+0x48/0x280
[  436.772891]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  436.777837]  ? kasan_check_read+0x11/0x20
[  436.781999]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  436.787299]  ? oom_evaluate_task+0x540/0x540
[  436.791722]  ? find_held_lock+0x36/0x1c0
[  436.795840]  ? out_of_memory+0x974/0x1430
[  436.800006]  ? lock_downgrade+0x900/0x900
[  436.804171]  ? check_preemption_disabled+0x48/0x280
[  436.809204]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  436.814147]  ? kasan_check_read+0x11/0x20
[  436.818308]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  436.823606]  ? rcu_softirq_qs+0x20/0x20
[  436.827598]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  436.833149]  ? oom_evaluate_task+0x302/0x540
[  436.837580]  out_of_memory+0xa84/0x1430
[  436.841577]  ? oom_killer_disable+0x3a0/0x3a0
[  436.846090]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  436.851035]  ? __ww_mutex_check_waiters+0x160/0x160
[  436.856080]  __alloc_pages_slowpath+0x2354/0x2e10
[  436.860968]  ? warn_alloc+0x120/0x120
[  436.864803]  ? mark_held_locks+0x130/0x130
[  436.869060]  ? find_get_entry+0xaae/0x1120
[  436.873317]  ? filemap_map_pages+0x1a20/0x1a20
[  436.877975]  ? zap_class+0x640/0x640
[  436.881712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.887270]  ? check_preemption_disabled+0x48/0x280
[  436.892303]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  436.897915]  ? should_fail+0x22d/0xd01
[  436.901882]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  436.907007]  ? zap_class+0x640/0x640
[  436.910780]  ? __lock_is_held+0xb5/0x140
[  436.914889]  ? mark_held_locks+0x130/0x130
[  436.919140]  ? lock_release+0xa00/0xa00
[  436.923130]  ? perf_trace_sched_process_exec+0x860/0x860
[  436.928651]  ? xa_load+0x2ba/0x460
[  436.932206]  ? lock_downgrade+0x900/0x900
[  436.936373]  ? __might_sleep+0x95/0x190
[  436.940367]  __alloc_pages_nodemask+0xa80/0xde0
[  436.945058]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  436.950091]  ? __page_cache_alloc+0x191/0x5c0
[  436.954603]  ? xa_load+0x2e1/0x460
[  436.958160]  ? xa_clear_mark+0x40/0x40
[  436.962066]  ? zap_class+0x640/0x640
[  436.965820]  ? zap_class+0x640/0x640
[  436.969548]  ? zap_class+0x640/0x640
[  436.973280]  ? __do_page_cache_readahead+0x663/0x810
[  436.978402]  ? find_held_lock+0x36/0x1c0
[  436.982485]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  436.988044]  alloc_pages_current+0x173/0x350
[  436.992478]  __page_cache_alloc+0x38c/0x5c0
[  436.996813]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  437.001775]  ? kasan_check_read+0x11/0x20
[  437.005943]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  437.011237]  ? generic_perform_write+0x6a0/0x6a0
[  437.016011]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.021562]  ? check_preemption_disabled+0x48/0x280
[  437.026600]  filemap_fault+0x1595/0x25f0
[  437.030694]  ? __lock_page_or_retry+0xa00/0xa00
[  437.035380]  ? mark_held_locks+0x130/0x130
[  437.039638]  ? filemap_map_pages+0xd6b/0x1a20
[  437.044207]  ? lock_downgrade+0x900/0x900
[  437.048372]  ? check_preemption_disabled+0x48/0x280
[  437.053409]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  437.058349]  ? kasan_check_read+0x11/0x20
[  437.062556]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  437.067845]  ? rcu_softirq_qs+0x20/0x20
[  437.071900]  ? filemap_map_pages+0xd92/0x1a20
[  437.076419]  ? __lock_acquire+0x62f/0x4c20
[  437.080675]  ? find_get_entries_tag+0x1400/0x1400
[  437.085553]  ? lock_acquire+0x1ed/0x520
[  437.089539]  ? ext4_filemap_fault+0x7a/0xad
[  437.093881]  ? lock_release+0xa00/0xa00
[  437.097869]  ? perf_trace_sched_process_exec+0x860/0x860
[  437.103333]  ? print_usage_bug+0xc0/0xc0
[  437.107413]  ? print_usage_bug+0xc0/0xc0
[  437.111496]  ? down_read+0x8d/0x120
[  437.115132]  ? ext4_filemap_fault+0x7a/0xad
[  437.119468]  ? __down_interruptible+0x700/0x700
[  437.124164]  ext4_filemap_fault+0x82/0xad
[  437.128335]  __do_fault+0x100/0x6b0
[  437.131982]  ? pmd_devmap_trans_unstable+0x220/0x220
[  437.137102]  ? mark_held_locks+0x130/0x130
[  437.141352]  ? mark_held_locks+0x130/0x130
[  437.145600]  ? __might_fault+0x12b/0x1e0
[  437.149677]  ? lock_downgrade+0x900/0x900
[  437.153847]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.159408]  __handle_mm_fault+0x3ea6/0x5be0
[  437.163842]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  437.168710]  ? kasan_check_read+0x11/0x20
[  437.172878]  ? _copy_to_user+0xc8/0x110
[  437.176870]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.182430]  ? zap_class+0x640/0x640
[  437.186158]  ? zap_class+0x640/0x640
[  437.189897]  ? find_held_lock+0x36/0x1c0
[  437.193984]  ? handle_mm_fault+0x42a/0xc70
[  437.198234]  ? lock_downgrade+0x900/0x900
[  437.202401]  ? check_preemption_disabled+0x48/0x280
[  437.207440]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  437.212381]  ? kasan_check_read+0x11/0x20
[  437.216547]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  437.221837]  ? rcu_softirq_qs+0x20/0x20
[  437.225829]  ? trace_hardirqs_off_caller+0x310/0x310
[  437.230957]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.236512]  ? check_preemption_disabled+0x48/0x280
[  437.241550]  handle_mm_fault+0x54f/0xc70
[  437.245632]  ? __handle_mm_fault+0x5be0/0x5be0
[  437.250229]  ? find_vma+0x34/0x190
[  437.253814]  __do_page_fault+0x5e8/0xe60
[  437.257891]  ? trace_hardirqs_off+0xb8/0x310
[  437.262311]  ? retint_kernel+0x2d/0x2d
[  437.266220]  do_page_fault+0xf2/0x7e0
[  437.270037]  ? vmalloc_sync_all+0x30/0x30
[  437.274199]  ? error_entry+0x70/0xd0
[  437.277936]  ? trace_hardirqs_off_caller+0xbb/0x310
[  437.282963]  ? trace_hardirqs_on_caller+0xc0/0x310
[  437.287907]  ? syscall_return_slowpath+0x5e0/0x5e0
[  437.292851]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  437.297710]  ? trace_hardirqs_on_caller+0x310/0x310
[  437.302745]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  437.308239]  ? prepare_exit_to_usermode+0x291/0x3b0
[  437.313280]  ? page_fault+0x8/0x30
[  437.316840]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  437.321707]  ? page_fault+0x8/0x30
[  437.325266]  page_fault+0x1e/0x30
[  437.328749] RIP: 0033:0x45d911
[  437.331992] Code: Bad RIP value.
[  437.335367] RSP: 002b:000000c420035f18 EFLAGS: 00010246
[  437.340744] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 000000000045d911
[  437.348133] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  437.355413] RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
[  437.362693] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  437.369968] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  437.377281] CPU: 0 PID: 11721 Comm: syz-executor5 Not tainted 4.19.0+ #74
[  437.377296] warn_alloc_show_mem: 1 callbacks suppressed
[  437.377301] Mem-Info:
[  437.384227] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  437.389608] active_anon:50643 inactive_anon:847 isolated_anon:0
[  437.389608]  active_file:14 inactive_file:13 isolated_file:0
[  437.389608]  unevictable:0 dirty:0 writeback:0 unstable:0
[  437.389608]  slab_reclaimable:9230 slab_unreclaimable:1469886
[  437.389608]  mapped:49154 shmem:854 pagetables:629 bounce:0
[  437.389608]  free:13794 free_pcp:158 free_cma:0
[  437.391989] Call Trace:
[  437.401388] Node 0 active_anon:202572kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3416kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  437.434344]  <IRQ>
[  437.436990] 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
[  437.464683]  dump_stack+0x244/0x39d
[  437.466882] lowmem_reserve[]: 0 2818 6321 6321
[  437.493297]  ? dump_stack_print_info.cold.1+0x20/0x20
[  437.496931] Node 0 DMA32 free:25280kB min:30052kB low:37564kB high:45076kB active_anon:236kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  437.501523]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.506694] lowmem_reserve[]: 0 0 3503 3503
[  437.534223]  ? do_raw_spin_lock+0x14f/0x350
[  437.539772] Node 0 Normal free:13988kB min:37364kB low:46704kB high:56044kB active_anon:202336kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:412kB local_pcp:252kB free_cma:0kB
[  437.544108]  nmi_cpu_backtrace.cold.1+0x5c/0xa1
[  437.548410] lowmem_reserve[]: 0 0 0 0
[  437.577461]  ? lapic_can_unplug_cpu.cold.26+0x3f/0x3f
[  437.582123] 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
[  437.585939]  nmi_trigger_cpumask_backtrace+0x1b3/0x1ed
[  437.591169] Node 0 DMA32: 2*4kB (H) 3*8kB (UMH) 2*16kB (M) 2*32kB (MH) 5*64kB (MH) 4*128kB (M) 5*256kB (MH) 5*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 25280kB
[  437.604703]  arch_trigger_cpumask_backtrace+0x14/0x20
[  437.609965] Node 0 Normal: 737*4kB (UMEH) 442*8kB (UME) 213*16kB (UME) 70*32kB (UME) 7*64kB (UMH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13988kB
[  437.625409]  rcu_dump_cpu_stacks+0x16f/0x1bc
[  437.630591] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  437.645946]  print_cpu_stall.cold.67+0x1f3/0x3c7
[  437.650424] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  437.659264]  ? print_other_cpu_stall+0x160/0x160
[  437.664016] 881 total pagecache pages
[  437.672600]  ? print_usage_bug+0xc0/0xc0
[  437.677354] 0 pages in swap cache
[  437.681150]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  437.685199] Swap cache stats: add 0, delete 0, find 0/0
[  437.685208] Free swap  = 0kB
[  437.688669]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.693579] Total swap = 0kB
[  437.693587] 1965979 pages RAM
[  437.698956]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.701964] 0 pages HighMem/MovableOnly
[  437.707509]  ? do_trace_rcu_torture_read+0x10/0x10
[  437.710510] 342858 pages reserved
[  437.710518] 0 pages cma reserved
[  437.713635]  ? rcu_preempt_need_deferred_qs+0x74/0x1f0
[  437.719775] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  437.723135]  ? __lock_is_held+0xb5/0x140
[  437.728051] syz-fuzzer cpuset=/ mems_allowed=0
[  437.731622]  ? __rcu_read_lock+0x50/0x50
[  437.763164]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.768718]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.774812]  ? check_preemption_disabled+0x48/0x280
[  437.779855]  rcu_check_callbacks+0xf3b/0x13f0
[  437.784366]  ? rcutree_dead_cpu+0x10/0x10
[  437.788533]  ? lock_downgrade+0x900/0x900
[  437.792701]  ? lock_release+0x990/0xa00
[  437.796701]  ? zap_class+0x640/0x640
[  437.800424]  ? mark_held_locks+0x130/0x130
[  437.804678]  ? zap_class+0x640/0x640
[  437.808413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.814020]  ? pvclock_gtod_notify+0x2e3/0x3e0
[  437.818626]  ? kvm_set_tsc_khz+0x540/0x540
[  437.822883]  ? find_held_lock+0x36/0x1c0
[  437.826964]  ? zap_class+0x640/0x640
[  437.830695]  ? timekeeping_advance+0x3cc/0xc00
[  437.835357]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.841002]  ? check_preemption_disabled+0x48/0x280
[  437.846048]  ? trace_hardirqs_off+0xb8/0x310
[  437.850472]  ? __lock_is_held+0xb5/0x140
[  437.854549]  ? trace_hardirqs_on+0x310/0x310
[  437.858975]  ? check_preemption_disabled+0x48/0x280
[  437.864129]  ? raise_softirq+0x199/0x420
[  437.868209]  ? raise_softirq_irqoff+0x2e0/0x2e0
[  437.872894]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.878445]  ? check_preemption_disabled+0x48/0x280
[  437.883493]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  437.889059]  ? hrtimer_run_queues+0x9a/0x400
[  437.893491]  ? run_local_timers+0x19b/0x230
[  437.897826]  ? timer_clear_idle+0x90/0x90
[  437.902390]  ? debug_smp_processor_id+0x1c/0x20
[  437.907080]  ? irqtime_account_process_tick.isra.6+0x114/0x490
[  437.913072]  ? account_process_tick+0x282/0x350
[  437.917787]  update_process_times+0x2d/0x70
[  437.922203]  tick_sched_handle+0x9f/0x180
[  437.926371]  tick_sched_timer+0x45/0x130
[  437.930450]  __hrtimer_run_queues+0x41c/0x10d0
[  437.935057]  ? tick_sched_do_timer+0x1a0/0x1a0
[  437.939666]  ? hrtimer_start_range_ns+0xe00/0xe00
[  437.944536]  ? pvclock_read_flags+0x160/0x160
[  437.949049]  ? trace_hardirqs_on+0x310/0x310
[  437.953475]  ? zap_class+0x640/0x640
[  437.957219]  ? kvm_clock_read+0x18/0x30
[  437.961211]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  437.966242]  ? ktime_get_update_offsets_now+0x3b3/0x540
[  437.971628]  ? do_timer+0x50/0x50
[  437.975096]  ? rwlock_bug.part.2+0x90/0x90
[  437.979356]  ? trace_hardirqs_on+0x310/0x310
[  437.983802]  ? rcu_softirq_qs+0x20/0x20
[  437.987822]  hrtimer_interrupt+0x313/0x780
[  437.992092]  smp_apic_timer_interrupt+0x1a1/0x760
[  437.996953]  ? smp_call_function_single_interrupt+0x650/0x650
[  438.002856]  ? interrupt_entry+0xb5/0xc0
[  438.006968]  ? trace_hardirqs_off_caller+0xbb/0x310
[  438.011998]  ? ____cache_alloc_node+0x1c7/0x1e0
[  438.016684]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.021543]  ? trace_hardirqs_on_caller+0x310/0x310
[  438.026584]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.031449]  apic_timer_interrupt+0xf/0x20
[  438.035702] RIP: 0010:kmem_cache_alloc_node+0x247/0x730
[  438.041079] Code: 3f 7e 0f 85 32 ff ff ff e8 65 5d 3e ff e9 28 ff ff ff e8 9c 6c c3 ff 48 83 3d d4 db 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 14
[  438.060081] RSP: 0000:ffff8801dae07268 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  438.067823] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff10036d14996
[  438.075101] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286
[  438.082384] RBP: ffff8801dae072d8 R08: ffff8801b68a4cb0 R09: 0000000000000002
[  438.089728] R10: 0000000000000000 R11: ffff8801b68a43c0 R12: ffff8801d9bccc00
[  438.097040] R13: ffff8801d9bccc00 R14: 0000000000000000 R15: 0000000000000286
[  438.104342]  ? apic_timer_interrupt+0xa/0x20
[  438.108817]  ? mark_held_locks+0xc7/0x130
[  438.112989]  __alloc_skb+0x119/0x770
[  438.116728]  ? netdev_alloc_frag+0x1f0/0x1f0
[  438.121181]  ? do_raw_spin_trylock+0x270/0x270
[  438.125806]  ? kmem_cache_alloc_trace+0x353/0x750
[  438.130675]  ? queue_work_on+0x12c/0x1e0
[  438.134784]  ? switchdev_port_obj_del+0xdc/0x440
[  438.139556]  ? switchdev_trans_item_enqueue+0x260/0x260
[  438.144936]  ? mod_timer+0x631/0x1560
[  438.148747]  ? wake_up_klogd+0x180/0x180
[  438.152850]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  438.157886]  __br_mdb_notify+0x4ff/0x15d0
[  438.162064]  ? __br_mdb_add+0x7f0/0x7f0
[  438.166065]  ? zap_class+0x640/0x640
[  438.169927]  ? br_multicast_group_expired+0x96/0x610
[  438.175056]  br_mdb_notify+0x310/0x410
[  438.178959]  ? br_mdb_dump+0x27b0/0x27b0
[  438.183191]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.188779]  br_multicast_group_expired+0x1bc/0x610
[  438.193817]  ? br_mdb_free+0x80/0x80
[  438.197559]  call_timer_fn+0x272/0x920
[  438.201461]  ? br_mdb_free+0x80/0x80
[  438.205188]  ? process_timeout+0x40/0x40
[  438.209273]  ? __run_timers+0x7da/0xc70
[  438.213268]  ? _raw_spin_unlock_irq+0x27/0x80
[  438.217801]  ? _raw_spin_unlock_irq+0x27/0x80
[  438.222309]  ? br_mdb_free+0x80/0x80
[  438.226037]  ? lockdep_hardirqs_on+0x296/0x5b0
[  438.230724]  ? trace_hardirqs_on+0xbd/0x310
[  438.235085]  ? kasan_check_read+0x11/0x20
[  438.239250]  ? __run_timers+0x7da/0xc70
[  438.243245]  ? trace_hardirqs_off_caller+0x310/0x310
[  438.248372]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  438.252712]  ? br_mdb_free+0x80/0x80
[  438.256442]  __run_timers+0x7e5/0xc70
[  438.260268]  ? timer_fixup_init+0x70/0x70
[  438.264435]  ? kasan_check_read+0x11/0x20
[  438.268596]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  438.273889]  ? rcu_softirq_qs+0x20/0x20
[  438.277886]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.283446]  ? check_preemption_disabled+0x48/0x280
[  438.288488]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  438.293271]  ? retint_kernel+0x2d/0x2d
[  438.297333]  ? trace_hardirqs_on_caller+0xc0/0x310
[  438.302278]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  438.307105]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  438.312666]  ? zap_class+0x640/0x640
[  438.316402]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.321962]  ? check_preemption_disabled+0x48/0x280
[  438.327005]  ? __lock_is_held+0xb5/0x140
[  438.331081]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.336634]  ? check_preemption_disabled+0x48/0x280
[  438.341673]  run_timer_softirq+0x52/0xb0
[  438.345748]  ? rcu_read_lock_sched_held+0x14f/0x180
[  438.350819]  __do_softirq+0x308/0xb7e
[  438.354637]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  438.359148]  ? lock_downgrade+0x900/0x900
[  438.363313]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  438.368443]  ? pvclock_read_flags+0x160/0x160
[  438.372956]  ? lapic_next_event+0x5a/0x90
[  438.377120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.382679]  ? kvm_clock_read+0x18/0x30
[  438.386665]  ? kvm_sched_clock_read+0x9/0x20
[  438.391089]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.396728]  ? check_preemption_disabled+0x48/0x280
[  438.401823]  irq_exit+0x17f/0x1c0
[  438.405294]  smp_apic_timer_interrupt+0x1cb/0x760
[  438.410240]  ? smp_reschedule_interrupt+0x109/0x650
[  438.415277]  ? smp_call_function_single_interrupt+0x650/0x650
[  438.421180]  ? interrupt_entry+0xb5/0xc0
[  438.425262]  ? trace_hardirqs_off_caller+0xbb/0x310
[  438.430291]  ? trace_hardirqs_off_caller+0xbb/0x310
[  438.435321]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.440178]  ? trace_hardirqs_on_caller+0x310/0x310
[  438.445207]  ? trace_hardirqs_on_caller+0x310/0x310
[  438.450296]  ? task_prio+0x50/0x50
[  438.453857]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.459418]  ? check_preemption_disabled+0x48/0x280
[  438.464457]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.469325]  apic_timer_interrupt+0xf/0x20
[  438.473565]  </IRQ>
[  438.475826] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  438.480799] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 14
[  438.499803] RSP: 0000:ffff8801bf14f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  438.507527] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  438.514822] RDX: 0000000000000000 RSI: ffff8801b68a4c40 RDI: 0000000000000286
[  438.522106] RBP: ffff8801bf14f7a0 R08: ffff8801b68a43c0 R09: 0000000000000000
[  438.529526] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  438.536820] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  438.544155]  skb_clone+0x1bb/0x500
[  438.547714]  ? finish_task_switch+0x2f4/0x910
[  438.552229]  ? skb_split+0x11e0/0x11e0
[  438.556152]  ? preempt_notifier_register+0x200/0x200
[  438.561294]  ? __switch_to_asm+0x34/0x70
[  438.565372]  ? __switch_to_asm+0x34/0x70
[  438.569443]  ? __switch_to_asm+0x40/0x70
[  438.573517]  ? __switch_to_asm+0x34/0x70
[  438.577590]  ? __switch_to_asm+0x40/0x70
[  438.581660]  ? __switch_to_asm+0x34/0x70
[  438.585729]  ? __switch_to_asm+0x40/0x70
[  438.589830]  ? __switch_to_asm+0x34/0x70
[  438.593907]  ? __switch_to_asm+0x34/0x70
[  438.597985]  ? __switch_to_asm+0x40/0x70
[  438.602059]  ? __switch_to_asm+0x34/0x70
[  438.606141]  bpf_clone_redirect+0xb9/0x490
[  438.610401]  ? __schedule+0x8d7/0x21d0
[  438.614337]  bpf_prog_bebbfe2050753572+0x6c2/0x1000
[  438.619375]  ? __sched_text_start+0x8/0x8
[  438.623626]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  438.628398]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  438.633002]  ? retint_kernel+0x2d/0x2d
[  438.636909]  ? find_held_lock+0x36/0x1c0
[  438.640994]  ? lock_acquire+0x1ed/0x520
[  438.644981]  ? bpf_test_run+0x3cb/0x780
[  438.648973]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.654527]  ? check_preemption_disabled+0x48/0x280
[  438.659655]  ? kasan_check_read+0x11/0x20
[  438.663837]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  438.669274]  ? rcu_softirq_qs+0x20/0x20
[  438.673265]  ? preempt_schedule+0x4d/0x60
[  438.677484]  ? ___preempt_schedule+0x16/0x18
[  438.681921]  ? bpf_test_run+0x25d/0x780
[  438.685920]  ? netlink_diag_dump+0x2a0/0x2a0
[  438.690346]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  438.695901]  ? bpf_test_init.isra.10+0x70/0x100
[  438.700600]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  438.705381]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  438.710238]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  438.715813]  ? fput+0x130/0x1a0
[  438.719112]  ? __bpf_prog_get+0x9b/0x290
[  438.723197]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  438.728055]  ? bpf_prog_test_run+0x130/0x1a0
[  438.732484]  ? __x64_sys_bpf+0x3d8/0x520
[  438.736610]  ? bpf_prog_get+0x20/0x20
[  438.740444]  ? do_syscall_64+0x1b9/0x820
[  438.744523]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  438.749909]  ? syscall_return_slowpath+0x5e0/0x5e0
[  438.754855]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.759719]  ? trace_hardirqs_on_caller+0x310/0x310
[  438.764939]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  438.769969]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.775523]  ? prepare_exit_to_usermode+0x291/0x3b0
[  438.780610]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.785538]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  438.790950] CPU: 1 PID: 5666 Comm: syz-fuzzer Not tainted 4.19.0+ #74
[  438.791381] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  438.797634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  438.797644] Call Trace:
[  438.808140] syz-executor5 cpuset=syz5 mems_allowed=0
[  438.817612]  <IRQ>
[  438.827468]  dump_stack+0x244/0x39d
[  438.831124]  ? dump_stack_print_info.cold.1+0x20/0x20
[  438.836348]  warn_alloc.cold.116+0xb7/0x1bd
[  438.840691]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  438.845558]  ? lock_downgrade+0x900/0x900
[  438.849732]  ? trace_hardirqs_off+0xb8/0x310
[  438.854190]  ? trace_hardirqs_off+0xb8/0x310
[  438.858637]  __alloc_pages_slowpath+0x26e8/0x2e10
[  438.863527]  ? warn_alloc+0x120/0x120
[  438.867349]  ? warn_alloc+0x120/0x120
[  438.871226]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  438.876258]  ? warn_alloc+0x120/0x120
[  438.880079]  ? print_usage_bug+0xc0/0xc0
[  438.884252]  ? print_usage_bug+0xc0/0xc0
[  438.888337]  ? check_usage+0x1aa/0x790
[  438.892251]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  438.897815]  ? should_fail+0x22d/0xd01
[  438.901715]  ? trace_event_raw_event_lock_acquire+0x440/0x440
[  438.907615]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  438.912732]  ? __lock_acquire+0x62f/0x4c20
[  438.917004]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  438.922168]  ? should_fail+0x22d/0xd01
[  438.926084]  ? mark_held_locks+0x130/0x130
[  438.930333]  ? mark_held_locks+0x130/0x130
[  438.934578]  ? print_usage_bug+0xc0/0xc0
[  438.938660]  ? find_held_lock+0x36/0x1c0
[  438.942745]  ? zap_class+0x640/0x640
[  438.946504]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.952054]  ? check_preemption_disabled+0x48/0x280
[  438.957224]  ? __lock_is_held+0xb5/0x140
[  438.961373]  __alloc_pages_nodemask+0xa80/0xde0
[  438.966057]  ? zap_class+0x640/0x640
[  438.969846]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  438.974892]  ? find_held_lock+0x36/0x1c0
[  438.978978]  ? ____cache_alloc_node+0x1c7/0x1e0
[  438.983661]  ? lock_downgrade+0x900/0x900
[  438.987832]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.993388]  cache_grow_begin+0xa5/0x8c0
[  438.997470]  ? do_raw_spin_unlock+0xa7/0x330
[  439.001910]  fallback_alloc+0x204/0x2e0
[  439.005915]  ____cache_alloc_node+0x1c7/0x1e0
[  439.010433]  kmem_cache_alloc_node+0xe3/0x730
[  439.014947]  ? mark_held_locks+0xc7/0x130
[  439.019120]  __alloc_skb+0x119/0x770
[  439.022856]  ? netdev_alloc_frag+0x1f0/0x1f0
[  439.027284]  ? do_raw_spin_trylock+0x270/0x270
[  439.031883]  ? kmem_cache_alloc_trace+0x353/0x750
[  439.036747]  ? queue_work_on+0x12c/0x1e0
[  439.040872]  ? switchdev_port_obj_del+0xdc/0x440
[  439.045644]  ? switchdev_trans_item_enqueue+0x260/0x260
[  439.051201]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  439.056243]  __br_mdb_notify+0x4ff/0x15d0
[  439.060433]  ? __br_mdb_add+0x7f0/0x7f0
[  439.064432]  ? zap_class+0x640/0x640
[  439.068171]  ? br_multicast_group_expired+0x96/0x610
[  439.073291]  ? lock_downgrade+0x900/0x900
[  439.077486]  br_mdb_notify+0x310/0x410
[  439.081391]  ? br_mdb_dump+0x27b0/0x27b0
[  439.085531]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.091092]  br_multicast_group_expired+0x1bc/0x610
[  439.096129]  ? br_mdb_free+0x80/0x80
[  439.099865]  call_timer_fn+0x272/0x920
[  439.103786]  ? br_mdb_free+0x80/0x80
[  439.107516]  ? process_timeout+0x40/0x40
[  439.111600]  ? mark_held_locks+0xc7/0x130
[  439.115790]  ? _raw_spin_unlock_irq+0x27/0x80
[  439.120354]  ? _raw_spin_unlock_irq+0x27/0x80
[  439.124860]  ? br_mdb_free+0x80/0x80
[  439.128591]  ? lockdep_hardirqs_on+0x296/0x5b0
[  439.133187]  ? trace_hardirqs_on+0xbd/0x310
[  439.137520]  ? kasan_check_read+0x11/0x20
[  439.141734]  ? __run_timers+0x7da/0xc70
[  439.145747]  ? trace_hardirqs_off_caller+0x310/0x310
[  439.151068]  ? br_mdb_free+0x80/0x80
[  439.154824]  ? br_mdb_free+0x80/0x80
[  439.158551]  __run_timers+0x7e5/0xc70
[  439.162429]  ? timer_fixup_init+0x70/0x70
[  439.166596]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  439.171627]  ? zap_class+0x640/0x640
[  439.175411]  ? print_usage_bug+0xc0/0xc0
[  439.179491]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  439.184702]  ? find_held_lock+0x36/0x1c0
[  439.188804]  ? zap_class+0x640/0x640
[  439.192537]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.198091]  ? check_preemption_disabled+0x48/0x280
[  439.203130]  ? __lock_is_held+0xb5/0x140
[  439.207205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.212777]  ? check_preemption_disabled+0x48/0x280
[  439.217822]  run_timer_softirq+0x52/0xb0
[  439.221903]  ? rcu_read_lock_sched_held+0x14f/0x180
[  439.226935]  __do_softirq+0x308/0xb7e
[  439.230776]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  439.235290]  ? lock_downgrade+0x900/0x900
[  439.239455]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  439.244604]  ? pvclock_read_flags+0x160/0x160
[  439.249273]  ? lapic_next_event+0x5a/0x90
[  439.253440]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.258996]  ? kvm_clock_read+0x18/0x30
[  439.263036]  ? kvm_sched_clock_read+0x9/0x20
[  439.267461]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.273013]  ? check_preemption_disabled+0x48/0x280
[  439.278053]  irq_exit+0x17f/0x1c0
[  439.281527]  smp_apic_timer_interrupt+0x1cb/0x760
[  439.286384]  ? smp_reschedule_interrupt+0x109/0x650
[  439.291421]  ? smp_call_function_single_interrupt+0x650/0x650
[  439.297322]  ? interrupt_entry+0xb5/0xc0
[  439.301400]  ? trace_hardirqs_off_caller+0xbb/0x310
[  439.306427]  ? trace_hardirqs_off_caller+0xbb/0x310
[  439.311457]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  439.316313]  ? trace_hardirqs_on_caller+0x310/0x310
[  439.321340]  ? trace_hardirqs_on_caller+0x310/0x310
[  439.326396]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  439.331272]  apic_timer_interrupt+0xf/0x20
[  439.335514]  </IRQ>
[  439.337785] RIP: 0010:dump_stack+0x358/0x39d
[  439.342210] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 a1 9c fd f9 48 83 3d 29 00 8d 01 00 0f 84 63 fe ff ff e8 ee 69 ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db 69 ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  439.361130] RSP: 0000:ffff8801b9cce1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  439.368858] RAX: ffff8801d71b2040 RBX: 1ffffffff12a3f46 RCX: 1ffff1003ae36526
[  439.376143] RDX: 0000000000000000 RSI: ffffffff87c4fa12 RDI: 0000000000000293
[  439.383426] RBP: ffff8801b9cce290 R08: ffff8801d71b2930 R09: 0000000000000006
[  439.390713] R10: 0000000000000000 R11: ffff8801d71b2040 R12: 1ffff10037399c45
[  439.397994] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  439.405307]  ? dump_stack+0x34f/0x39d
[  439.409137]  ? dump_stack_print_info.cold.1+0x20/0x20
[  439.414346]  ? mark_held_locks+0x130/0x130
[  439.418600]  ? mark_held_locks+0x130/0x130
[  439.422857]  dump_header+0x27b/0xf72
[  439.426604]  ? pagefault_out_of_memory+0x197/0x197
[  439.431558]  ? __lock_acquire+0x62f/0x4c20
[  439.435817]  ? percpu_ref_get_many+0x240/0x240
[  439.440415]  ? print_usage_bug+0xc0/0xc0
[  439.444583]  ? zap_class+0x640/0x640
[  439.448318]  ? print_usage_bug+0xc0/0xc0
[  439.452394]  ? print_usage_bug+0xc0/0xc0
[  439.456469]  ? zap_class+0x640/0x640
[  439.460204]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.465837]  ? find_held_lock+0x36/0x1c0
[  439.469927]  ? mark_held_locks+0xc7/0x130
[  439.474093]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  439.479221]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  439.484339]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  439.488938]  ? trace_hardirqs_on+0xbd/0x310
[  439.493282]  ? kasan_check_read+0x11/0x20
[  439.497444]  ? ___ratelimit+0x3b4/0x672
[  439.501432]  ? trace_hardirqs_off_caller+0x310/0x310
[  439.506640]  ? trace_hardirqs_on+0x310/0x310
[  439.511064]  ? lock_downgrade+0x900/0x900
[  439.515235]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  439.520361]  ? ___ratelimit+0x3b9/0x672
[  439.524355]  ? idr_get_free+0xf80/0xf80
[  439.528342]  ? find_held_lock+0x36/0x1c0
[  439.532432]  oom_kill_process.cold.27+0x10/0x903
[  439.537291]  ? zap_class+0x640/0x640
[  439.541020]  ? check_preemption_disabled+0x48/0x280
[  439.546054]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  439.550996]  ? kasan_check_read+0x11/0x20
[  439.555157]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  439.560453]  ? oom_evaluate_task+0x540/0x540
[  439.564884]  ? find_held_lock+0x36/0x1c0
[  439.568967]  ? out_of_memory+0x974/0x1430
[  439.573134]  ? lock_downgrade+0x900/0x900
[  439.577303]  ? check_preemption_disabled+0x48/0x280
[  439.582338]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  439.587287]  ? kasan_check_read+0x11/0x20
[  439.591457]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  439.596749]  ? rcu_softirq_qs+0x20/0x20
[  439.600792]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.606345]  ? oom_evaluate_task+0x302/0x540
[  439.610796]  out_of_memory+0xa84/0x1430
[  439.614818]  ? oom_killer_disable+0x3a0/0x3a0
[  439.619334]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  439.624291]  ? __ww_mutex_check_waiters+0x160/0x160
[  439.629477]  __alloc_pages_slowpath+0x2354/0x2e10
[  439.634371]  ? warn_alloc+0x120/0x120
[  439.638188]  ? mark_held_locks+0x130/0x130
[  439.642448]  ? find_get_entry+0xaae/0x1120
[  439.646707]  ? filemap_map_pages+0x1a20/0x1a20
[  439.651309]  ? zap_class+0x640/0x640
[  439.655097]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.660674]  ? check_preemption_disabled+0x48/0x280
[  439.665702]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.671252]  ? should_fail+0x22d/0xd01
[  439.675161]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  439.680285]  ? zap_class+0x640/0x640
[  439.684042]  ? __lock_is_held+0xb5/0x140
[  439.688127]  ? mark_held_locks+0x130/0x130
[  439.692380]  ? lock_release+0xa00/0xa00
[  439.696369]  ? perf_trace_sched_process_exec+0x860/0x860
[  439.701837]  ? xa_load+0x2ba/0x460
[  439.705481]  ? lock_downgrade+0x900/0x900
[  439.709645]  ? __might_sleep+0x95/0x190
[  439.713638]  __alloc_pages_nodemask+0xa80/0xde0
[  439.718329]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  439.723358]  ? __page_cache_alloc+0x191/0x5c0
[  439.727868]  ? xa_load+0x2e1/0x460
[  439.731420]  ? xa_clear_mark+0x40/0x40
[  439.735323]  ? zap_class+0x640/0x640
[  439.739058]  ? zap_class+0x640/0x640
[  439.742801]  ? zap_class+0x640/0x640
[  439.746527]  ? __do_page_cache_readahead+0x663/0x810
[  439.751648]  ? find_held_lock+0x36/0x1c0
[  439.755725]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  439.761303]  alloc_pages_current+0x173/0x350
[  439.765737]  __page_cache_alloc+0x38c/0x5c0
[  439.770181]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  439.775447]  ? kasan_check_read+0x11/0x20
[  439.779609]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  439.784906]  ? generic_perform_write+0x6a0/0x6a0
[  439.789680]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.795233]  ? check_preemption_disabled+0x48/0x280
[  439.800282]  filemap_fault+0x1595/0x25f0
[  439.804373]  ? __lock_page_or_retry+0xa00/0xa00
[  439.809191]  ? mark_held_locks+0x130/0x130
[  439.813454]  ? filemap_map_pages+0xd6b/0x1a20
[  439.817967]  ? lock_downgrade+0x900/0x900
[  439.822354]  ? check_preemption_disabled+0x48/0x280
[  439.827387]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  439.832328]  ? kasan_check_read+0x11/0x20
[  439.836487]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  439.841796]  ? rcu_softirq_qs+0x20/0x20
[  439.845819]  ? filemap_map_pages+0xd92/0x1a20
[  439.850336]  ? __lock_acquire+0x62f/0x4c20
[  439.854594]  ? find_get_entries_tag+0x1400/0x1400
[  439.859480]  ? lock_acquire+0x1ed/0x520
[  439.863550]  ? ext4_filemap_fault+0x7a/0xad
[  439.867891]  ? lock_release+0xa00/0xa00
[  439.871969]  ? perf_trace_sched_process_exec+0x860/0x860
[  439.877435]  ? print_usage_bug+0xc0/0xc0
[  439.881509]  ? print_usage_bug+0xc0/0xc0
[  439.885597]  ? down_read+0x8d/0x120
[  439.889236]  ? ext4_filemap_fault+0x7a/0xad
[  439.893579]  ? __down_interruptible+0x700/0x700
[  439.898280]  ext4_filemap_fault+0x82/0xad
[  439.902994]  __do_fault+0x100/0x6b0
[  439.906640]  ? pmd_devmap_trans_unstable+0x220/0x220
[  439.911850]  ? mark_held_locks+0x130/0x130
[  439.916100]  ? mark_held_locks+0x130/0x130
[  439.920347]  ? __might_fault+0x12b/0x1e0
[  439.924549]  ? lock_downgrade+0x900/0x900
[  439.928716]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.934279]  __handle_mm_fault+0x3ea6/0x5be0
[  439.938855]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  439.943792]  ? kasan_check_read+0x11/0x20
[  439.947959]  ? _copy_to_user+0xc8/0x110
[  439.951955]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.957523]  ? zap_class+0x640/0x640
[  439.961249]  ? zap_class+0x640/0x640
[  439.964993]  ? find_held_lock+0x36/0x1c0
[  439.969080]  ? handle_mm_fault+0x42a/0xc70
[  439.973331]  ? lock_downgrade+0x900/0x900
[  439.977497]  ? check_preemption_disabled+0x48/0x280
[  439.982529]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  439.987471]  ? kasan_check_read+0x11/0x20
[  439.991688]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  439.996978]  ? rcu_softirq_qs+0x20/0x20
[  440.000967]  ? trace_hardirqs_off_caller+0x310/0x310
[  440.006086]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  440.011644]  ? check_preemption_disabled+0x48/0x280
[  440.016683]  handle_mm_fault+0x54f/0xc70
[  440.020785]  ? __handle_mm_fault+0x5be0/0x5be0
[  440.025485]  ? find_vma+0x34/0x190
[  440.029048]  __do_page_fault+0x5e8/0xe60
[  440.033126]  ? trace_hardirqs_off+0xb8/0x310
[  440.037551]  ? retint_kernel+0x2d/0x2d
[  440.041463]  do_page_fault+0xf2/0x7e0
[  440.045283]  ? vmalloc_sync_all+0x30/0x30
[  440.049447]  ? error_entry+0x70/0xd0
[  440.053176]  ? trace_hardirqs_off_caller+0xbb/0x310
[  440.058208]  ? trace_hardirqs_on_caller+0xc0/0x310
[  440.063150]  ? syscall_return_slowpath+0x5e0/0x5e0
[  440.068119]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  440.072985]  ? trace_hardirqs_on_caller+0x310/0x310
[  440.078013]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  440.083482]  ? prepare_exit_to_usermode+0x291/0x3b0
[  440.088515]  ? page_fault+0x8/0x30
[  440.092074]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  440.096936]  ? page_fault+0x8/0x30
[  440.100493]  page_fault+0x1e/0x30
[  440.103958] RIP: 0033:0x45d911
[  440.107172] Code: Bad RIP value.
[  440.110544] RSP: 002b:000000c420035f18 EFLAGS: 00010246
[  440.115921] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 000000000045d911
[  440.123209] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  440.130492] RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
[  440.137795] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  440.145077] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  440.152382] Mem-Info:
[  440.152397] CPU: 0 PID: 11721 Comm: syz-executor5 Not tainted 4.19.0+ #74
[  440.152409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  440.154838] active_anon:50643 inactive_anon:847 isolated_anon:0
[  440.154838]  active_file:14 inactive_file:13 isolated_file:0
[  440.154838]  unevictable:0 dirty:0 writeback:0 unstable:0
[  440.154838]  slab_reclaimable:9230 slab_unreclaimable:1469886
[  440.154838]  mapped:49154 shmem:854 pagetables:629 bounce:0
[  440.154838]  free:13794 free_pcp:158 free_cma:0
[  440.161775] Call Trace:
[  440.171287] Node 0 active_anon:202572kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3416kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  440.204150]  <IRQ>
[  440.206736] 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
[  440.234448]  dump_stack+0x244/0x39d
[  440.236579] lowmem_reserve[]: 0 2818 6321 6321
[  440.262844]  ? dump_stack_print_info.cold.1+0x20/0x20
[  440.266459] Node 0 DMA32 free:25280kB min:30052kB low:37564kB high:45076kB active_anon:236kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  440.271054]  warn_alloc.cold.116+0xb7/0x1bd
[  440.276214] lowmem_reserve[]: 0 0 3503 3503
[  440.303739]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  440.308045] Node 0 Normal free:13988kB min:37364kB low:46704kB high:56044kB active_anon:202336kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:412kB local_pcp:252kB free_cma:0kB
[  440.312377]  ? lock_downgrade+0x900/0x900
[  440.317340] lowmem_reserve[]: 0 0 0 0
[  440.346339]  ? trace_hardirqs_off+0xb8/0x310
[  440.350471] 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
[  440.354276]  ? trace_hardirqs_off+0xb8/0x310
[  440.358677] Node 0 DMA32: 2*4kB (H) 3*8kB (UMH) 2*16kB (M) 2*32kB (MH) 5*64kB (MH) 4*128kB (M) 5*256kB (MH) 5*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 25280kB
[  440.372276]  __alloc_pages_slowpath+0x26e8/0x2e10
[  440.376673] Node 0 Normal: 737*4kB (UMEH) 442*8kB (UME) 213*16kB (UME) 70*32kB (UME) 7*64kB (UMH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13988kB
[  440.392141]  ? warn_alloc+0x120/0x120
[  440.396958] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  440.412382]  ? warn_alloc+0x120/0x120
[  440.416175] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  440.425105]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  440.428893] 881 total pagecache pages
[  440.437478]  ? warn_alloc+0x120/0x120
[  440.442489] 0 pages in swap cache
[  440.446376]  ? print_usage_bug+0xc0/0xc0
[  440.450162] Swap cache stats: add 0, delete 0, find 0/0
[  440.450171] Free swap  = 0kB
[  440.453642]  ? print_usage_bug+0xc0/0xc0
[  440.457683] Total swap = 0kB
[  440.457691] 1965979 pages RAM
[  440.463067]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  440.466122] 0 pages HighMem/MovableOnly
[  440.470198]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  440.473191] 342858 pages reserved
[  440.473199] 0 pages cma reserved
[  440.476312]  ? should_fail+0x22d/0xd01
[  440.481611] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  440.485470]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  440.490997] syz-fuzzer cpuset=/ mems_allowed=0
[  440.494461]  ? __lock_acquire+0x62f/0x4c20
[  440.525860]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  440.531034]  ? should_fail+0x22d/0xd01
[  440.534952]  ? mark_held_locks+0x130/0x130
[  440.539203]  ? mark_held_locks+0x130/0x130
[  440.543453]  ? print_usage_bug+0xc0/0xc0
[  440.547529]  ? find_held_lock+0x36/0x1c0
[  440.551607]  ? zap_class+0x640/0x640
[  440.555343]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.560896]  ? check_preemption_disabled+0x48/0x280
[  440.565940]  ? __lock_is_held+0xb5/0x140
[  440.570021]  __alloc_pages_nodemask+0xa80/0xde0
[  440.574705]  ? zap_class+0x640/0x640
[  440.578437]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  440.583482]  ? find_held_lock+0x36/0x1c0
[  440.587568]  ? ____cache_alloc_node+0x1c7/0x1e0
[  440.592255]  ? lock_downgrade+0x900/0x900
[  440.596425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.601986]  cache_grow_begin+0xa5/0x8c0
[  440.606060]  ? do_raw_spin_unlock+0xa7/0x330
[  440.610490]  fallback_alloc+0x204/0x2e0
[  440.614490]  ____cache_alloc_node+0x1c7/0x1e0
[  440.619005]  kmem_cache_alloc_node+0xe3/0x730
[  440.623514]  ? mark_held_locks+0xc7/0x130
[  440.627687]  __alloc_skb+0x119/0x770
[  440.631419]  ? netdev_alloc_frag+0x1f0/0x1f0
[  440.635843]  ? do_raw_spin_trylock+0x270/0x270
[  440.640441]  ? kmem_cache_alloc_trace+0x353/0x750
[  440.645301]  ? queue_work_on+0x12c/0x1e0
[  440.649379]  ? switchdev_port_obj_del+0xdc/0x440
[  440.654154]  ? switchdev_trans_item_enqueue+0x260/0x260
[  440.659537]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  440.664573]  __br_mdb_notify+0x4ff/0x15d0
[  440.668749]  ? __br_mdb_add+0x7f0/0x7f0
[  440.672800]  ? zap_class+0x640/0x640
[  440.676557]  ? br_multicast_group_expired+0x96/0x610
[  440.681732]  ? lock_downgrade+0x900/0x900
[  440.685930]  br_mdb_notify+0x310/0x410
[  440.689919]  ? br_mdb_dump+0x27b0/0x27b0
[  440.694000]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.699563]  br_multicast_group_expired+0x1bc/0x610
[  440.704602]  ? br_mdb_free+0x80/0x80
[  440.708340]  call_timer_fn+0x272/0x920
[  440.712242]  ? br_mdb_free+0x80/0x80
[  440.715971]  ? process_timeout+0x40/0x40
[  440.720056]  ? __run_timers+0x7da/0xc70
[  440.724054]  ? _raw_spin_unlock_irq+0x27/0x80
[  440.728559]  ? _raw_spin_unlock_irq+0x27/0x80
[  440.733068]  ? br_mdb_free+0x80/0x80
[  440.736823]  ? lockdep_hardirqs_on+0x296/0x5b0
[  440.741423]  ? trace_hardirqs_on+0xbd/0x310
[  440.745787]  ? kasan_check_read+0x11/0x20
[  440.749954]  ? __run_timers+0x7da/0xc70
[  440.753957]  ? trace_hardirqs_off_caller+0x310/0x310
[  440.759078]  ? br_mdb_free+0x80/0x80
[  440.762829]  ? br_mdb_free+0x80/0x80
[  440.766557]  __run_timers+0x7e5/0xc70
[  440.770475]  ? timer_fixup_init+0x70/0x70
[  440.774636]  ? kasan_check_read+0x11/0x20
[  440.778817]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  440.784105]  ? rcu_softirq_qs+0x20/0x20
[  440.788095]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.793735]  ? check_preemption_disabled+0x48/0x280
[  440.798818]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  440.803596]  ? retint_kernel+0x2d/0x2d
[  440.807503]  ? trace_hardirqs_on_caller+0xc0/0x310
[  440.812453]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  440.817276]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  440.822747]  ? zap_class+0x640/0x640
[  440.826507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.832059]  ? check_preemption_disabled+0x48/0x280
[  440.837102]  ? __lock_is_held+0xb5/0x140
[  440.841236]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.846808]  ? check_preemption_disabled+0x48/0x280
[  440.851900]  run_timer_softirq+0x52/0xb0
[  440.855975]  ? rcu_read_lock_sched_held+0x14f/0x180
[  440.861010]  __do_softirq+0x308/0xb7e
[  440.864834]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  440.869341]  ? lock_downgrade+0x900/0x900
[  440.873518]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  440.878643]  ? pvclock_read_flags+0x160/0x160
[  440.883154]  ? lapic_next_event+0x5a/0x90
[  440.887324]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.892888]  ? kvm_clock_read+0x18/0x30
[  440.896885]  ? kvm_sched_clock_read+0x9/0x20
[  440.901319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.906876]  ? check_preemption_disabled+0x48/0x280
[  440.912027]  irq_exit+0x17f/0x1c0
[  440.915499]  smp_apic_timer_interrupt+0x1cb/0x760
[  440.920356]  ? smp_reschedule_interrupt+0x109/0x650
[  440.925385]  ? smp_call_function_single_interrupt+0x650/0x650
[  440.931285]  ? interrupt_entry+0xb5/0xc0
[  440.935361]  ? trace_hardirqs_off_caller+0xbb/0x310
[  440.940387]  ? trace_hardirqs_off_caller+0xbb/0x310
[  440.945420]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  440.950279]  ? trace_hardirqs_on_caller+0x310/0x310
[  440.955311]  ? trace_hardirqs_on_caller+0x310/0x310
[  440.960346]  ? task_prio+0x50/0x50
[  440.963903]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.969454]  ? check_preemption_disabled+0x48/0x280
[  440.974491]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  440.979359]  apic_timer_interrupt+0xf/0x20
[  440.983737]  </IRQ>
[  440.986014] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  440.991020] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 14
[  441.009939] RSP: 0000:ffff8801bf14f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  441.017661] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  441.024942] RDX: 0000000000000000 RSI: ffff8801b68a4c40 RDI: 0000000000000286
[  441.032226] RBP: ffff8801bf14f7a0 R08: ffff8801b68a43c0 R09: 0000000000000000
[  441.039503] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  441.046832] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  441.054164]  skb_clone+0x1bb/0x500
[  441.057722]  ? finish_task_switch+0x2f4/0x910
[  441.062255]  ? skb_split+0x11e0/0x11e0
[  441.066157]  ? preempt_notifier_register+0x200/0x200
[  441.071271]  ? __switch_to_asm+0x34/0x70
[  441.075348]  ? __switch_to_asm+0x34/0x70
[  441.079420]  ? __switch_to_asm+0x40/0x70
[  441.083494]  ? __switch_to_asm+0x34/0x70
[  441.087569]  ? __switch_to_asm+0x40/0x70
[  441.091639]  ? __switch_to_asm+0x34/0x70
[  441.095711]  ? __switch_to_asm+0x40/0x70
[  441.099806]  ? __switch_to_asm+0x34/0x70
[  441.103881]  ? __switch_to_asm+0x34/0x70
[  441.107958]  ? __switch_to_asm+0x40/0x70
[  441.112032]  ? __switch_to_asm+0x34/0x70
[  441.116115]  bpf_clone_redirect+0xb9/0x490
[  441.120361]  ? __schedule+0x8d7/0x21d0
[  441.124273]  bpf_prog_bebbfe2050753572+0x6c2/0x1000
[  441.129308]  ? __sched_text_start+0x8/0x8
[  441.133472]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  441.138337]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  441.142944]  ? retint_kernel+0x2d/0x2d
[  441.146859]  ? find_held_lock+0x36/0x1c0
[  441.150941]  ? lock_acquire+0x1ed/0x520
[  441.154933]  ? bpf_test_run+0x3cb/0x780
[  441.159013]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.164565]  ? check_preemption_disabled+0x48/0x280
[  441.169655]  ? kasan_check_read+0x11/0x20
[  441.173823]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  441.179113]  ? rcu_softirq_qs+0x20/0x20
[  441.183116]  ? preempt_schedule+0x4d/0x60
[  441.187331]  ? ___preempt_schedule+0x16/0x18
[  441.191786]  ? bpf_test_run+0x25d/0x780
[  441.195814]  ? netlink_diag_dump+0x2a0/0x2a0
[  441.200238]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  441.205811]  ? bpf_test_init.isra.10+0x70/0x100
[  441.210506]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  441.215290]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  441.220145]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  441.225696]  ? fput+0x130/0x1a0
[  441.228990]  ? __bpf_prog_get+0x9b/0x290
[  441.233066]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  441.237925]  ? bpf_prog_test_run+0x130/0x1a0
[  441.242441]  ? __x64_sys_bpf+0x3d8/0x520
[  441.246522]  ? bpf_prog_get+0x20/0x20
[  441.250478]  ? do_syscall_64+0x1b9/0x820
[  441.254555]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  441.259933]  ? syscall_return_slowpath+0x5e0/0x5e0
[  441.264874]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  441.269733]  ? trace_hardirqs_on_caller+0x310/0x310
[  441.274808]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  441.279838]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.285388]  ? prepare_exit_to_usermode+0x291/0x3b0
[  441.290424]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  441.295287]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  441.300794] CPU: 1 PID: 5666 Comm: syz-fuzzer Not tainted 4.19.0+ #74
[  441.300963] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  441.307399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  441.318004] syz-executor5 cpuset=syz5 mems_allowed=0
[  441.327493] Call Trace:
[  441.335178]  <IRQ>
[  441.337347]  dump_stack+0x244/0x39d
[  441.340992]  ? dump_stack_print_info.cold.1+0x20/0x20
[  441.346214]  warn_alloc.cold.116+0xb7/0x1bd
[  441.350551]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  441.355472]  ? lock_downgrade+0x900/0x900
[  441.359642]  ? trace_hardirqs_off+0xb8/0x310
[  441.364073]  ? trace_hardirqs_off+0xb8/0x310
[  441.368505]  __alloc_pages_slowpath+0x26e8/0x2e10
[  441.373398]  ? warn_alloc+0x120/0x120
[  441.377218]  ? warn_alloc+0x120/0x120
[  441.381036]  ? warn_alloc+0x120/0x120
[  441.384861]  ? print_usage_bug+0xc0/0xc0
[  441.388933]  ? mark_held_locks+0x130/0x130
[  441.393184]  ? kvm_clock_read+0x18/0x30
[  441.397180]  ? print_usage_bug+0xc0/0xc0
[  441.401269]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  441.406825]  ? should_fail+0x22d/0xd01
[  441.410727]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  441.415853]  ? __lock_acquire+0x62f/0x4c20
[  441.420100]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  441.425208]  ? __lock_acquire+0x62f/0x4c20
[  441.429446]  ? should_fail+0x22d/0xd01
[  441.433352]  ? mark_held_locks+0x130/0x130
[  441.437601]  ? mark_held_locks+0x130/0x130
[  441.441846]  ? zap_class+0x640/0x640
[  441.445563]  ? print_usage_bug+0xc0/0xc0
[  441.449625]  ? find_held_lock+0x36/0x1c0
[  441.453693]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.459233]  ? check_preemption_disabled+0x48/0x280
[  441.464272]  ? __lock_is_held+0xb5/0x140
[  441.468348]  __alloc_pages_nodemask+0xa80/0xde0
[  441.473018]  ? zap_class+0x640/0x640
[  441.476741]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  441.481785]  ? find_held_lock+0x36/0x1c0
[  441.485864]  ? ____cache_alloc_node+0x1c7/0x1e0
[  441.490536]  ? lock_downgrade+0x900/0x900
[  441.494696]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.500244]  cache_grow_begin+0xa5/0x8c0
[  441.504310]  ? do_raw_spin_unlock+0xa7/0x330
[  441.508730]  fallback_alloc+0x204/0x2e0
[  441.512723]  ____cache_alloc_node+0x1c7/0x1e0
[  441.517243]  kmem_cache_alloc_node+0xe3/0x730
[  441.521747]  ? ipv6_get_ifaddr+0x42e/0x620
[  441.526003]  __alloc_skb+0x119/0x770
[  441.529722]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  441.535017]  ? netdev_alloc_frag+0x1f0/0x1f0
[  441.539435]  ? lock_downgrade+0x900/0x900
[  441.543598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.549145]  ? refcount_sub_and_test_checked+0x203/0x310
[  441.554607]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  441.560081]  ? addrconf_rs_timer+0x690/0x690
[  441.564508]  ndisc_alloc_skb+0x144/0x340
[  441.568581]  ndisc_send_rs+0x331/0x6e0
[  441.572477]  addrconf_rs_timer+0x314/0x690
[  441.576723]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  441.580984]  call_timer_fn+0x272/0x920
[  441.584876]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  441.589123]  ? process_timeout+0x40/0x40
[  441.593201]  ? mark_held_locks+0xc7/0x130
[  441.597363]  ? _raw_spin_unlock_irq+0x27/0x80
[  441.601867]  ? _raw_spin_unlock_irq+0x27/0x80
[  441.606374]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  441.610658]  ? lockdep_hardirqs_on+0x296/0x5b0
[  441.615259]  ? trace_hardirqs_on+0xbd/0x310
[  441.619595]  ? kasan_check_read+0x11/0x20
[  441.623773]  ? __run_timers+0x7da/0xc70
[  441.627778]  ? trace_hardirqs_off_caller+0x310/0x310
[  441.632911]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  441.637204]  __run_timers+0x7e5/0xc70
[  441.641032]  ? timer_fixup_init+0x70/0x70
[  441.645195]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  441.650226]  ? zap_class+0x640/0x640
[  441.653959]  ? print_usage_bug+0xc0/0xc0
[  441.658035]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  441.663248]  ? find_held_lock+0x36/0x1c0
[  441.667336]  ? zap_class+0x640/0x640
[  441.671068]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.676625]  ? check_preemption_disabled+0x48/0x280
[  441.681665]  ? __lock_is_held+0xb5/0x140
[  441.685742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.691325]  ? check_preemption_disabled+0x48/0x280
[  441.696360]  run_timer_softirq+0x52/0xb0
[  441.700444]  ? rcu_read_lock_sched_held+0x14f/0x180
[  441.705476]  __do_softirq+0x308/0xb7e
[  441.709297]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  441.713818]  ? lock_downgrade+0x900/0x900
[  441.717986]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  441.723242]  ? pvclock_read_flags+0x160/0x160
[  441.727796]  ? lapic_next_event+0x5a/0x90
[  441.731965]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.737528]  ? kvm_clock_read+0x18/0x30
[  441.741540]  ? kvm_sched_clock_read+0x9/0x20
[  441.745967]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  441.751522]  ? check_preemption_disabled+0x48/0x280
[  441.756563]  irq_exit+0x17f/0x1c0
[  441.760036]  smp_apic_timer_interrupt+0x1cb/0x760
[  441.764899]  ? smp_reschedule_interrupt+0x109/0x650
[  441.770043]  ? smp_call_function_single_interrupt+0x650/0x650
[  441.776276]  ? interrupt_entry+0xb5/0xc0
[  441.780355]  ? trace_hardirqs_off_caller+0xbb/0x310
[  441.785384]  ? trace_hardirqs_off_caller+0xbb/0x310
[  441.790414]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  441.795279]  ? trace_hardirqs_on_caller+0x310/0x310
[  441.800311]  ? trace_hardirqs_on_caller+0x310/0x310
[  441.805357]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  441.810404]  apic_timer_interrupt+0xf/0x20
[  441.814644]  </IRQ>
[  441.816900] RIP: 0010:dump_stack+0x358/0x39d
[  441.821325] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 a1 9c fd f9 48 83 3d 29 00 8d 01 00 0f 84 63 fe ff ff e8 ee 69 ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db 69 ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  441.840270] RSP: 0000:ffff8801b9cce1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  441.847999] RAX: ffff8801d71b2040 RBX: 1ffffffff12a3f46 RCX: 1ffff1003ae36526
[  441.855422] RDX: 0000000000000000 RSI: ffffffff87c4fa12 RDI: 0000000000000293
[  441.862704] RBP: ffff8801b9cce290 R08: ffff8801d71b2930 R09: 0000000000000006
[  441.869987] R10: 0000000000000000 R11: ffff8801d71b2040 R12: 1ffff10037399c45
[  441.877284] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  441.884598]  ? dump_stack+0x34f/0x39d
[  441.888430]  ? dump_stack_print_info.cold.1+0x20/0x20
[  441.893643]  ? mark_held_locks+0x130/0x130
[  441.897891]  ? mark_held_locks+0x130/0x130
[  441.902655]  dump_header+0x27b/0xf72
[  441.906395]  ? pagefault_out_of_memory+0x197/0x197
[  441.911345]  ? __lock_acquire+0x62f/0x4c20
[  441.915594]  ? percpu_ref_get_many+0x240/0x240
[  441.920194]  ? print_usage_bug+0xc0/0xc0
[  441.924278]  ? zap_class+0x640/0x640
[  441.928008]  ? print_usage_bug+0xc0/0xc0
[  441.932084]  ? print_usage_bug+0xc0/0xc0
[  441.936162]  ? zap_class+0x640/0x640
[  441.939895]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.945452]  ? find_held_lock+0x36/0x1c0
[  441.949541]  ? mark_held_locks+0xc7/0x130
[  441.953709]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  441.958827]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  441.964032]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  441.968628]  ? trace_hardirqs_on+0xbd/0x310
[  441.972963]  ? kasan_check_read+0x11/0x20
[  441.977128]  ? ___ratelimit+0x3b4/0x672
[  441.981117]  ? trace_hardirqs_off_caller+0x310/0x310
[  441.986237]  ? trace_hardirqs_on+0x310/0x310
[  441.990726]  ? lock_downgrade+0x900/0x900
[  441.994924]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  442.000044]  ? ___ratelimit+0x3b9/0x672
[  442.004035]  ? idr_get_free+0xf80/0xf80
[  442.008027]  ? find_held_lock+0x36/0x1c0
[  442.012115]  oom_kill_process.cold.27+0x10/0x903
[  442.016901]  ? zap_class+0x640/0x640
[  442.020628]  ? check_preemption_disabled+0x48/0x280
[  442.025661]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  442.030603]  ? kasan_check_read+0x11/0x20
[  442.034784]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  442.040081]  ? oom_evaluate_task+0x540/0x540
[  442.044505]  ? find_held_lock+0x36/0x1c0
[  442.048587]  ? out_of_memory+0x974/0x1430
[  442.052750]  ? lock_downgrade+0x900/0x900
[  442.056940]  ? check_preemption_disabled+0x48/0x280
[  442.061976]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  442.066919]  ? kasan_check_read+0x11/0x20
[  442.071088]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  442.076380]  ? rcu_softirq_qs+0x20/0x20
[  442.080373]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  442.085923]  ? oom_evaluate_task+0x302/0x540
[  442.090348]  out_of_memory+0xa84/0x1430
[  442.094346]  ? oom_killer_disable+0x3a0/0x3a0
[  442.098855]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  442.103815]  ? __ww_mutex_check_waiters+0x160/0x160
[  442.108863]  __alloc_pages_slowpath+0x2354/0x2e10
[  442.113776]  ? warn_alloc+0x120/0x120
[  442.117591]  ? mark_held_locks+0x130/0x130
[  442.121851]  ? find_get_entry+0xaae/0x1120
[  442.126112]  ? filemap_map_pages+0x1a20/0x1a20
[  442.130716]  ? zap_class+0x640/0x640
[  442.134452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.140006]  ? check_preemption_disabled+0x48/0x280
[  442.145167]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  442.150717]  ? should_fail+0x22d/0xd01
[  442.154624]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  442.159745]  ? zap_class+0x640/0x640
[  442.163524]  ? __lock_is_held+0xb5/0x140
[  442.167610]  ? mark_held_locks+0x130/0x130
[  442.171863]  ? lock_release+0xa00/0xa00
[  442.175854]  ? perf_trace_sched_process_exec+0x860/0x860
[  442.181319]  ? xa_load+0x2ba/0x460
[  442.184878]  ? lock_downgrade+0x900/0x900
[  442.189042]  ? __might_sleep+0x95/0x190
[  442.193041]  __alloc_pages_nodemask+0xa80/0xde0
[  442.197735]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  442.202809]  ? __page_cache_alloc+0x191/0x5c0
[  442.207319]  ? xa_load+0x2e1/0x460
[  442.210875]  ? xa_clear_mark+0x40/0x40
[  442.214806]  ? zap_class+0x640/0x640
[  442.218542]  ? zap_class+0x640/0x640
[  442.222292]  ? zap_class+0x640/0x640
[  442.226025]  ? __do_page_cache_readahead+0x663/0x810
[  442.231148]  ? find_held_lock+0x36/0x1c0
[  442.235230]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  442.240810]  alloc_pages_current+0x173/0x350
[  442.245240]  __page_cache_alloc+0x38c/0x5c0
[  442.249577]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  442.254519]  ? kasan_check_read+0x11/0x20
[  442.258683]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  442.264051]  ? generic_perform_write+0x6a0/0x6a0
[  442.268826]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  442.274380]  ? check_preemption_disabled+0x48/0x280
[  442.279420]  filemap_fault+0x1595/0x25f0
[  442.283509]  ? __lock_page_or_retry+0xa00/0xa00
[  442.288198]  ? mark_held_locks+0x130/0x130
[  442.292462]  ? filemap_map_pages+0xd6b/0x1a20
[  442.296971]  ? lock_downgrade+0x900/0x900
[  442.301135]  ? check_preemption_disabled+0x48/0x280
[  442.306169]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  442.311112]  ? kasan_check_read+0x11/0x20
[  442.315280]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  442.320578]  ? rcu_softirq_qs+0x20/0x20
[  442.324580]  ? filemap_map_pages+0xd92/0x1a20
[  442.329208]  ? __lock_acquire+0x62f/0x4c20
[  442.333471]  ? find_get_entries_tag+0x1400/0x1400
[  442.338353]  ? lock_acquire+0x1ed/0x520
[  442.342346]  ? ext4_filemap_fault+0x7a/0xad
[  442.346688]  ? lock_release+0xa00/0xa00
[  442.350933]  ? perf_trace_sched_process_exec+0x860/0x860
[  442.356404]  ? print_usage_bug+0xc0/0xc0
[  442.360480]  ? print_usage_bug+0xc0/0xc0
[  442.364566]  ? down_read+0x8d/0x120
[  442.368205]  ? ext4_filemap_fault+0x7a/0xad
[  442.372540]  ? __down_interruptible+0x700/0x700
[  442.377298]  ext4_filemap_fault+0x82/0xad
[  442.381471]  __do_fault+0x100/0x6b0
[  442.385124]  ? pmd_devmap_trans_unstable+0x220/0x220
[  442.390256]  ? mark_held_locks+0x130/0x130
[  442.394525]  ? mark_held_locks+0x130/0x130
[  442.398804]  ? __might_fault+0x12b/0x1e0
[  442.402885]  ? lock_downgrade+0x900/0x900
[  442.407057]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  442.412617]  __handle_mm_fault+0x3ea6/0x5be0
[  442.417055]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  442.421921]  ? kasan_check_read+0x11/0x20
[  442.426080]  ? _copy_to_user+0xc8/0x110
[  442.430079]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  442.435642]  ? zap_class+0x640/0x640
[  442.439368]  ? zap_class+0x640/0x640
[  442.443102]  ? find_held_lock+0x36/0x1c0
[  442.447186]  ? handle_mm_fault+0x42a/0xc70
[  442.451434]  ? lock_downgrade+0x900/0x900
[  442.455599]  ? check_preemption_disabled+0x48/0x280
[  442.460633]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  442.465581]  ? kasan_check_read+0x11/0x20
[  442.469742]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  442.475057]  ? rcu_softirq_qs+0x20/0x20
[  442.479046]  ? trace_hardirqs_off_caller+0x310/0x310
[  442.484200]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  442.489750]  ? check_preemption_disabled+0x48/0x280
[  442.494832]  handle_mm_fault+0x54f/0xc70
[  442.498914]  ? __handle_mm_fault+0x5be0/0x5be0
[  442.503511]  ? find_vma+0x34/0x190
[  442.507070]  __do_page_fault+0x5e8/0xe60
[  442.511144]  ? trace_hardirqs_off+0xb8/0x310
[  442.515568]  ? retint_kernel+0x2d/0x2d
[  442.519478]  do_page_fault+0xf2/0x7e0
[  442.523301]  ? vmalloc_sync_all+0x30/0x30
[  442.527466]  ? error_entry+0x70/0xd0
[  442.531196]  ? trace_hardirqs_off_caller+0xbb/0x310
[  442.536229]  ? trace_hardirqs_on_caller+0xc0/0x310
[  442.541171]  ? syscall_return_slowpath+0x5e0/0x5e0
[  442.546115]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  442.551001]  ? trace_hardirqs_on_caller+0x310/0x310
[  442.556039]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  442.561527]  ? prepare_exit_to_usermode+0x291/0x3b0
[  442.566560]  ? page_fault+0x8/0x30
[  442.570123]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  442.574997]  ? page_fault+0x8/0x30
[  442.578554]  page_fault+0x1e/0x30
[  442.582019] RIP: 0033:0x45d911
[  442.585237] Code: Bad RIP value.
[  442.588619] RSP: 002b:000000c420035f18 EFLAGS: 00010246
[  442.593995] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 000000000045d911
[  442.601297] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  442.608575] RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
[  442.615854] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  442.623130] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  442.630436] warn_alloc_show_mem: 1 callbacks suppressed
[  442.630449] CPU: 0 PID: 11721 Comm: syz-executor5 Not tainted 4.19.0+ #74
[  442.630450] Mem-Info:
[  442.630481] active_anon:50643 inactive_anon:847 isolated_anon:0
[  442.630481]  active_file:14 inactive_file:13 isolated_file:0
[  442.630481]  unevictable:0 dirty:0 writeback:0 unstable:0
[  442.630481]  slab_reclaimable:9230 slab_unreclaimable:1469886
[  442.630481]  mapped:49154 shmem:854 pagetables:629 bounce:0
[  442.630481]  free:13794 free_pcp:158 free_cma:0
[  442.635829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  442.635838] Call Trace:
[  442.642857] Node 0 active_anon:202572kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3416kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  442.645358]  <IRQ>
[  442.678234] 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
[  442.687600]  dump_stack+0x244/0x39d
[  442.690170] lowmem_reserve[]: 0 2818 6321 6321
[  442.717994]  ? dump_stack_print_info.cold.1+0x20/0x20
[  442.720141] Node 0 DMA32 free:25280kB min:30052kB low:37564kB high:45076kB active_anon:236kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  442.746296]  warn_alloc.cold.116+0xb7/0x1bd
[  442.749903] lowmem_reserve[]: 0 0 3503 3503
[  442.754503]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  442.759682] Node 0 Normal free:13988kB min:37364kB low:46704kB high:56044kB active_anon:202336kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:412kB local_pcp:252kB free_cma:0kB
[  442.787204]  ? lock_downgrade+0x900/0x900
[  442.791514] lowmem_reserve[]: 0 0 0 0
[  442.795852]  ? trace_hardirqs_off+0xb8/0x310
[  442.800677] 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
[  442.830188]  ? trace_hardirqs_off+0xb8/0x310
[  442.834319] Node 0 DMA32: 2*4kB (H) 3*8kB (UMH) 2*16kB (M) 2*32kB (MH) 5*64kB (MH) 4*128kB (M) 5*256kB (MH) 5*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 25280kB
[  442.838131]  __alloc_pages_slowpath+0x26e8/0x2e10
[  442.842522] Node 0 Normal: 737*4kB (UMEH) 442*8kB (UME) 213*16kB (UME) 70*32kB (UME) 7*64kB (UMH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13988kB
[  442.856234]  ? warn_alloc+0x120/0x120
[  442.860613] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  442.876051]  ? warn_alloc+0x120/0x120
[  442.880884] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  442.896240]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  442.900031] 881 total pagecache pages
[  442.908873]  ? warn_alloc+0x120/0x120
[  442.912671] 0 pages in swap cache
[  442.921245]  ? print_usage_bug+0xc0/0xc0
[  442.926251] Swap cache stats: add 0, delete 0, find 0/0
[  442.930054]  ? print_usage_bug+0xc0/0xc0
[  442.933839] Free swap  = 0kB
[  442.933848] Total swap = 0kB
[  442.937311]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  442.941362] 1965979 pages RAM
[  442.946739]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  442.950806] 0 pages HighMem/MovableOnly
[  442.953835]  ? should_fail+0x22d/0xd01
[  442.956843] 342858 pages reserved
[  442.962041]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  442.965132] 0 pages cma reserved
[  442.970674]  ? __lock_acquire+0x62f/0x4c20
[  442.974817] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  442.978618]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  442.982153] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  442.987169]  ? should_fail+0x22d/0xd01
[  442.990522] syz-fuzzer cpuset=/ mems_allowed=0
[  442.994796]  ? mark_held_locks+0x130/0x130
[  443.029442]  ? mark_held_locks+0x130/0x130
[  443.033690]  ? print_usage_bug+0xc0/0xc0
[  443.037798]  ? find_held_lock+0x36/0x1c0
[  443.041877]  ? zap_class+0x640/0x640
[  443.045611]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.051167]  ? check_preemption_disabled+0x48/0x280
[  443.056211]  ? __lock_is_held+0xb5/0x140
[  443.060310]  __alloc_pages_nodemask+0xa80/0xde0
[  443.064998]  ? zap_class+0x640/0x640
[  443.068730]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  443.073833]  ? find_held_lock+0x36/0x1c0
[  443.077917]  ? ____cache_alloc_node+0x1c7/0x1e0
[  443.082605]  ? lock_downgrade+0x900/0x900
[  443.086799]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.092358]  cache_grow_begin+0xa5/0x8c0
[  443.096436]  ? do_raw_spin_unlock+0xa7/0x330
[  443.100867]  fallback_alloc+0x204/0x2e0
[  443.104862]  ____cache_alloc_node+0x1c7/0x1e0
[  443.109378]  kmem_cache_alloc_node+0xe3/0x730
[  443.113889]  ? mark_held_locks+0xc7/0x130
[  443.118062]  __alloc_skb+0x119/0x770
[  443.121817]  ? netdev_alloc_frag+0x1f0/0x1f0
[  443.126237]  ? do_raw_spin_trylock+0x270/0x270
[  443.130834]  ? kmem_cache_alloc_trace+0x353/0x750
[  443.135695]  ? queue_work_on+0x12c/0x1e0
[  443.139918]  ? switchdev_port_obj_del+0xdc/0x440
[  443.144690]  ? switchdev_trans_item_enqueue+0x260/0x260
[  443.150072]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  443.155108]  __br_mdb_notify+0x4ff/0x15d0
[  443.159282]  ? __br_mdb_add+0x7f0/0x7f0
[  443.163281]  ? zap_class+0x640/0x640
[  443.167031]  ? br_multicast_group_expired+0x96/0x610
[  443.172147]  ? lock_downgrade+0x900/0x900
[  443.176379]  br_mdb_notify+0x310/0x410
[  443.180285]  ? br_mdb_dump+0x27b0/0x27b0
[  443.184425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.189986]  br_multicast_group_expired+0x1bc/0x610
[  443.195017]  ? br_mdb_free+0x80/0x80
[  443.198797]  call_timer_fn+0x272/0x920
[  443.202709]  ? br_mdb_free+0x80/0x80
[  443.206523]  ? process_timeout+0x40/0x40
[  443.210623]  ? __run_timers+0x7da/0xc70
[  443.214614]  ? _raw_spin_unlock_irq+0x27/0x80
[  443.219123]  ? _raw_spin_unlock_irq+0x27/0x80
[  443.223631]  ? br_mdb_free+0x80/0x80
[  443.227359]  ? lockdep_hardirqs_on+0x296/0x5b0
[  443.231955]  ? trace_hardirqs_on+0xbd/0x310
[  443.236289]  ? kasan_check_read+0x11/0x20
[  443.240447]  ? __run_timers+0x7da/0xc70
[  443.244434]  ? trace_hardirqs_off_caller+0x310/0x310
[  443.249558]  ? br_mdb_free+0x80/0x80
[  443.253300]  ? br_mdb_free+0x80/0x80
[  443.257027]  __run_timers+0x7e5/0xc70
[  443.260851]  ? timer_fixup_init+0x70/0x70
[  443.265023]  ? kasan_check_read+0x11/0x20
[  443.269183]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  443.274475]  ? rcu_softirq_qs+0x20/0x20
[  443.278464]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.284015]  ? check_preemption_disabled+0x48/0x280
[  443.289054]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  443.293829]  ? retint_kernel+0x2d/0x2d
[  443.297729]  ? trace_hardirqs_on_caller+0xc0/0x310
[  443.302834]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  443.307718]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  443.313184]  ? zap_class+0x640/0x640
[  443.316927]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.322480]  ? check_preemption_disabled+0x48/0x280
[  443.327519]  ? __lock_is_held+0xb5/0x140
[  443.331597]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.337147]  ? check_preemption_disabled+0x48/0x280
[  443.342175]  run_timer_softirq+0x52/0xb0
[  443.346249]  ? rcu_read_lock_sched_held+0x14f/0x180
[  443.351277]  __do_softirq+0x308/0xb7e
[  443.355122]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  443.359633]  ? lock_downgrade+0x900/0x900
[  443.363818]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  443.368942]  ? pvclock_read_flags+0x160/0x160
[  443.373456]  ? lapic_next_event+0x5a/0x90
[  443.377620]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.383179]  ? kvm_clock_read+0x18/0x30
[  443.387164]  ? kvm_sched_clock_read+0x9/0x20
[  443.391593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.397263]  ? check_preemption_disabled+0x48/0x280
[  443.402304]  irq_exit+0x17f/0x1c0
[  443.405806]  smp_apic_timer_interrupt+0x1cb/0x760
[  443.410667]  ? smp_reschedule_interrupt+0x109/0x650
[  443.415828]  ? smp_call_function_single_interrupt+0x650/0x650
[  443.421727]  ? interrupt_entry+0xb5/0xc0
[  443.425833]  ? trace_hardirqs_off_caller+0xbb/0x310
[  443.430866]  ? trace_hardirqs_off_caller+0xbb/0x310
[  443.435908]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  443.440792]  ? trace_hardirqs_on_caller+0x310/0x310
[  443.445831]  ? trace_hardirqs_on_caller+0x310/0x310
[  443.450877]  ? task_prio+0x50/0x50
[  443.454442]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.459997]  ? check_preemption_disabled+0x48/0x280
[  443.465037]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  443.469908]  apic_timer_interrupt+0xf/0x20
[  443.474155]  </IRQ>
[  443.476471] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  443.481417] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 14
[  443.500343] RSP: 0000:ffff8801bf14f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  443.508073] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  443.515499] RDX: 0000000000000000 RSI: ffff8801b68a4c40 RDI: 0000000000000286
[  443.522811] RBP: ffff8801bf14f7a0 R08: ffff8801b68a43c0 R09: 0000000000000000
[  443.530091] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  443.537368] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  443.544692]  skb_clone+0x1bb/0x500
[  443.548247]  ? finish_task_switch+0x2f4/0x910
[  443.552785]  ? skb_split+0x11e0/0x11e0
[  443.556693]  ? preempt_notifier_register+0x200/0x200
[  443.561832]  ? __switch_to_asm+0x34/0x70
[  443.565931]  ? __switch_to_asm+0x34/0x70
[  443.570000]  ? __switch_to_asm+0x40/0x70
[  443.574074]  ? __switch_to_asm+0x34/0x70
[  443.578150]  ? __switch_to_asm+0x40/0x70
[  443.582221]  ? __switch_to_asm+0x34/0x70
[  443.586293]  ? __switch_to_asm+0x40/0x70
[  443.590366]  ? __switch_to_asm+0x34/0x70
[  443.594439]  ? __switch_to_asm+0x34/0x70
[  443.598509]  ? __switch_to_asm+0x40/0x70
[  443.602583]  ? __switch_to_asm+0x34/0x70
[  443.606754]  bpf_clone_redirect+0xb9/0x490
[  443.611037]  ? __schedule+0x8d7/0x21d0
[  443.614946]  bpf_prog_bebbfe2050753572+0x6c2/0x1000
[  443.619975]  ? __sched_text_start+0x8/0x8
[  443.624137]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  443.628912]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  443.633507]  ? retint_kernel+0x2d/0x2d
[  443.637411]  ? find_held_lock+0x36/0x1c0
[  443.641494]  ? lock_acquire+0x1ed/0x520
[  443.645482]  ? bpf_test_run+0x3cb/0x780
[  443.649474]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.655028]  ? check_preemption_disabled+0x48/0x280
[  443.660068]  ? kasan_check_read+0x11/0x20
[  443.664227]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  443.669520]  ? rcu_softirq_qs+0x20/0x20
[  443.673510]  ? preempt_schedule+0x4d/0x60
[  443.677673]  ? ___preempt_schedule+0x16/0x18
[  443.682246]  ? bpf_test_run+0x25d/0x780
[  443.686245]  ? netlink_diag_dump+0x2a0/0x2a0
[  443.690669]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  443.696223]  ? bpf_test_init.isra.10+0x70/0x100
[  443.700910]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  443.705747]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  443.710633]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  443.716242]  ? fput+0x130/0x1a0
[  443.719539]  ? __bpf_prog_get+0x9b/0x290
[  443.723623]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  443.728482]  ? bpf_prog_test_run+0x130/0x1a0
[  443.732912]  ? __x64_sys_bpf+0x3d8/0x520
[  443.736989]  ? bpf_prog_get+0x20/0x20
[  443.740846]  ? do_syscall_64+0x1b9/0x820
[  443.744931]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  443.750321]  ? syscall_return_slowpath+0x5e0/0x5e0
[  443.755273]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  443.760142]  ? trace_hardirqs_on_caller+0x310/0x310
[  443.765185]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  443.770220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.776278]  ? prepare_exit_to_usermode+0x291/0x3b0
[  443.781314]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  443.786185]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  443.791583] CPU: 1 PID: 5666 Comm: syz-fuzzer Not tainted 4.19.0+ #74
[  443.791737] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  443.798186] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  443.808672] syz-executor5 cpuset=syz5 mems_allowed=0
[  443.818033] Call Trace:
[  443.825716]  <IRQ>
[  443.827886]  dump_stack+0x244/0x39d
[  443.831535]  ? dump_stack_print_info.cold.1+0x20/0x20
[  443.836887]  warn_alloc.cold.116+0xb7/0x1bd
[  443.841233]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  443.846119]  ? lock_downgrade+0x900/0x900
[  443.850296]  ? trace_hardirqs_off+0xb8/0x310
[  443.854726]  ? trace_hardirqs_off+0xb8/0x310
[  443.859184]  __alloc_pages_slowpath+0x26e8/0x2e10
[  443.864092]  ? warn_alloc+0x120/0x120
[  443.868059]  ? print_usage_bug+0xc0/0xc0
[  443.872146]  ? warn_alloc+0x120/0x120
[  443.875967]  ? warn_alloc+0x120/0x120
[  443.879887]  ? print_usage_bug+0xc0/0xc0
[  443.883962]  ? kvm_clock_read+0x18/0x30
[  443.887951]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  443.892994]  ? print_usage_bug+0xc0/0xc0
[  443.897084]  ? __lock_acquire+0x62f/0x4c20
[  443.901342]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  443.907446]  ? should_fail+0x22d/0xd01
[  443.911348]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  443.916644]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  443.921794]  ? __lock_acquire+0x62f/0x4c20
[  443.926109]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  443.931231]  ? __lock_acquire+0x62f/0x4c20
[  443.935484]  ? should_fail+0x22d/0xd01
[  443.939382]  ? rcu_irq_exit+0x1a2/0x390
[  443.943383]  ? mark_held_locks+0x130/0x130
[  443.947639]  ? mark_held_locks+0x130/0x130
[  443.951898]  ? mark_held_locks+0xc7/0x130
[  443.956062]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  443.961098]  ? zap_class+0x640/0x640
[  443.964826]  ? print_usage_bug+0xc0/0xc0
[  443.968914]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.974470]  ? check_preemption_disabled+0x48/0x280
[  443.979511]  ? __lock_is_held+0xb5/0x140
[  443.983705]  __alloc_pages_nodemask+0xa80/0xde0
[  443.988389]  ? zap_class+0x640/0x640
[  443.992124]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  443.997172]  ? find_held_lock+0x36/0x1c0
[  444.001261]  ? ____cache_alloc_node+0x1c7/0x1e0
[  444.006029]  ? lock_downgrade+0x900/0x900
[  444.010207]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.015793]  cache_grow_begin+0xa5/0x8c0
[  444.019876]  ? do_raw_spin_unlock+0xa7/0x330
[  444.024314]  fallback_alloc+0x204/0x2e0
[  444.028314]  ____cache_alloc_node+0x1c7/0x1e0
[  444.032838]  kmem_cache_alloc_node+0xe3/0x730
[  444.037355]  ? ipv6_get_ifaddr+0x42e/0x620
[  444.041615]  __alloc_skb+0x119/0x770
[  444.045348]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  444.050651]  ? netdev_alloc_frag+0x1f0/0x1f0
[  444.055078]  ? lock_downgrade+0x900/0x900
[  444.059249]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.064827]  ? refcount_sub_and_test_checked+0x203/0x310
[  444.070306]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  444.075798]  ? addrconf_rs_timer+0x690/0x690
[  444.080237]  ndisc_alloc_skb+0x144/0x340
[  444.084322]  ndisc_send_rs+0x331/0x6e0
[  444.088245]  addrconf_rs_timer+0x314/0x690
[  444.092505]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  444.096901]  call_timer_fn+0x272/0x920
[  444.100825]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  444.105076]  ? process_timeout+0x40/0x40
[  444.109167]  ? mark_held_locks+0xc7/0x130
[  444.113334]  ? _raw_spin_unlock_irq+0x27/0x80
[  444.117850]  ? _raw_spin_unlock_irq+0x27/0x80
[  444.122363]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  444.126739]  ? lockdep_hardirqs_on+0x296/0x5b0
[  444.131378]  ? trace_hardirqs_on+0xbd/0x310
[  444.135743]  ? kasan_check_read+0x11/0x20
[  444.139934]  ? __run_timers+0x7da/0xc70
[  444.143930]  ? trace_hardirqs_off_caller+0x310/0x310
[  444.149055]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  444.153371]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  444.157619]  __run_timers+0x7e5/0xc70
[  444.161444]  ? timer_fixup_init+0x70/0x70
[  444.165609]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  444.170644]  ? zap_class+0x640/0x640
[  444.174383]  ? print_usage_bug+0xc0/0xc0
[  444.178462]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  444.183684]  ? find_held_lock+0x36/0x1c0
[  444.187787]  ? zap_class+0x640/0x640
[  444.191527]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.197084]  ? check_preemption_disabled+0x48/0x280
[  444.202129]  ? __lock_is_held+0xb5/0x140
[  444.206274]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.211885]  ? check_preemption_disabled+0x48/0x280
[  444.216923]  run_timer_softirq+0x52/0xb0
[  444.221009]  ? rcu_read_lock_sched_held+0x14f/0x180
[  444.226212]  __do_softirq+0x308/0xb7e
[  444.230090]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  444.234599]  ? lock_downgrade+0x900/0x900
[  444.238785]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  444.243917]  ? pvclock_read_flags+0x160/0x160
[  444.248429]  ? lapic_next_event+0x5a/0x90
[  444.252593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.258155]  ? kvm_clock_read+0x18/0x30
[  444.262144]  ? kvm_sched_clock_read+0x9/0x20
[  444.266570]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.272131]  ? check_preemption_disabled+0x48/0x280
[  444.277169]  irq_exit+0x17f/0x1c0
[  444.280640]  smp_apic_timer_interrupt+0x1cb/0x760
[  444.285498]  ? smp_reschedule_interrupt+0x109/0x650
[  444.290865]  ? smp_call_function_single_interrupt+0x650/0x650
[  444.296754]  ? interrupt_entry+0xb5/0xc0
[  444.300858]  ? trace_hardirqs_off_caller+0xbb/0x310
[  444.306003]  ? trace_hardirqs_off_caller+0xbb/0x310
[  444.311033]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  444.315903]  ? trace_hardirqs_on_caller+0x310/0x310
[  444.320931]  ? trace_hardirqs_on_caller+0x310/0x310
[  444.325974]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  444.330841]  apic_timer_interrupt+0xf/0x20
[  444.335084]  </IRQ>
[  444.337333] RIP: 0010:dump_stack+0x358/0x39d
[  444.341782] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 a1 9c fd f9 48 83 3d 29 00 8d 01 00 0f 84 63 fe ff ff e8 ee 69 ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db 69 ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  444.360694] RSP: 0000:ffff8801b9cce1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  444.368412] RAX: ffff8801d71b2040 RBX: 1ffffffff12a3f46 RCX: 1ffff1003ae36526
[  444.375695] RDX: 0000000000000000 RSI: ffffffff87c4fa12 RDI: 0000000000000293
[  444.382975] RBP: ffff8801b9cce290 R08: ffff8801d71b2930 R09: 0000000000000006
[  444.390257] R10: 0000000000000000 R11: ffff8801d71b2040 R12: 1ffff10037399c45
[  444.397547] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  444.404845]  ? dump_stack+0x34f/0x39d
[  444.408676]  ? dump_stack_print_info.cold.1+0x20/0x20
[  444.414058]  ? mark_held_locks+0x130/0x130
[  444.418308]  ? mark_held_locks+0x130/0x130
[  444.422561]  dump_header+0x27b/0xf72
[  444.426304]  ? pagefault_out_of_memory+0x197/0x197
[  444.431257]  ? __lock_acquire+0x62f/0x4c20
[  444.435511]  ? percpu_ref_get_many+0x240/0x240
[  444.440112]  ? print_usage_bug+0xc0/0xc0
[  444.444194]  ? zap_class+0x640/0x640
[  444.447926]  ? print_usage_bug+0xc0/0xc0
[  444.451998]  ? print_usage_bug+0xc0/0xc0
[  444.456078]  ? zap_class+0x640/0x640
[  444.459825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.465443]  ? find_held_lock+0x36/0x1c0
[  444.469531]  ? mark_held_locks+0xc7/0x130
[  444.473700]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  444.478823]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  444.483941]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  444.488537]  ? trace_hardirqs_on+0xbd/0x310
[  444.492961]  ? kasan_check_read+0x11/0x20
[  444.497126]  ? ___ratelimit+0x3b4/0x672
[  444.501118]  ? trace_hardirqs_off_caller+0x310/0x310
[  444.506582]  ? trace_hardirqs_on+0x310/0x310
[  444.511010]  ? lock_downgrade+0x900/0x900
[  444.515364]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  444.520486]  ? ___ratelimit+0x3b9/0x672
[  444.524478]  ? idr_get_free+0xf80/0xf80
[  444.528472]  ? find_held_lock+0x36/0x1c0
[  444.532559]  oom_kill_process.cold.27+0x10/0x903
[  444.537337]  ? zap_class+0x640/0x640
[  444.541067]  ? check_preemption_disabled+0x48/0x280
[  444.546101]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  444.551043]  ? kasan_check_read+0x11/0x20
[  444.555204]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  444.560497]  ? oom_evaluate_task+0x540/0x540
[  444.564924]  ? find_held_lock+0x36/0x1c0
[  444.569013]  ? out_of_memory+0x974/0x1430
[  444.573176]  ? lock_downgrade+0x900/0x900
[  444.577337]  ? check_preemption_disabled+0x48/0x280
[  444.582370]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  444.587316]  ? kasan_check_read+0x11/0x20
[  444.591477]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  444.596787]  ? rcu_softirq_qs+0x20/0x20
[  444.600802]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.606355]  ? oom_evaluate_task+0x302/0x540
[  444.610803]  out_of_memory+0xa84/0x1430
[  444.614825]  ? oom_killer_disable+0x3a0/0x3a0
[  444.619334]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  444.624343]  ? __ww_mutex_check_waiters+0x160/0x160
[  444.629390]  __alloc_pages_slowpath+0x2354/0x2e10
[  444.634283]  ? warn_alloc+0x120/0x120
[  444.638085]  ? mark_held_locks+0x130/0x130
[  444.642339]  ? find_get_entry+0xaae/0x1120
[  444.646656]  ? filemap_map_pages+0x1a20/0x1a20
[  444.651260]  ? zap_class+0x640/0x640
[  444.655009]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.660561]  ? check_preemption_disabled+0x48/0x280
[  444.665679]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.671231]  ? should_fail+0x22d/0xd01
[  444.675139]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  444.680261]  ? zap_class+0x640/0x640
[  444.684024]  ? __lock_is_held+0xb5/0x140
[  444.688108]  ? mark_held_locks+0x130/0x130
[  444.692360]  ? lock_release+0xa00/0xa00
[  444.696351]  ? perf_trace_sched_process_exec+0x860/0x860
[  444.701820]  ? xa_load+0x2ba/0x460
[  444.705375]  ? lock_downgrade+0x900/0x900
[  444.709627]  ? __might_sleep+0x95/0x190
[  444.713621]  __alloc_pages_nodemask+0xa80/0xde0
[  444.718315]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  444.723352]  ? __page_cache_alloc+0x191/0x5c0
[  444.727862]  ? xa_load+0x2e1/0x460
[  444.731417]  ? xa_clear_mark+0x40/0x40
[  444.735497]  ? zap_class+0x640/0x640
[  444.739235]  ? zap_class+0x640/0x640
[  444.742966]  ? zap_class+0x640/0x640
[  444.746697]  ? __do_page_cache_readahead+0x663/0x810
[  444.751828]  ? find_held_lock+0x36/0x1c0
[  444.755911]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  444.761475]  alloc_pages_current+0x173/0x350
[  444.765915]  __page_cache_alloc+0x38c/0x5c0
[  444.770250]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  444.775279]  ? kasan_check_read+0x11/0x20
[  444.779440]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  444.784739]  ? generic_perform_write+0x6a0/0x6a0
[  444.789534]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.795090]  ? check_preemption_disabled+0x48/0x280
[  444.800148]  filemap_fault+0x1595/0x25f0
[  444.804240]  ? __lock_page_or_retry+0xa00/0xa00
[  444.808949]  ? mark_held_locks+0x130/0x130
[  444.813212]  ? filemap_map_pages+0xd6b/0x1a20
[  444.817726]  ? lock_downgrade+0x900/0x900
[  444.821912]  ? check_preemption_disabled+0x48/0x280
[  444.826948]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  444.831898]  ? kasan_check_read+0x11/0x20
[  444.836065]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  444.841360]  ? rcu_softirq_qs+0x20/0x20
[  444.845409]  ? filemap_map_pages+0xd92/0x1a20
[  444.849928]  ? __lock_acquire+0x62f/0x4c20
[  444.854214]  ? find_get_entries_tag+0x1400/0x1400
[  444.859158]  ? lock_acquire+0x1ed/0x520
[  444.863151]  ? ext4_filemap_fault+0x7a/0xad
[  444.867548]  ? lock_release+0xa00/0xa00
[  444.871538]  ? perf_trace_sched_process_exec+0x860/0x860
[  444.877007]  ? print_usage_bug+0xc0/0xc0
[  444.881088]  ? print_usage_bug+0xc0/0xc0
[  444.885174]  ? down_read+0x8d/0x120
[  444.888829]  ? ext4_filemap_fault+0x7a/0xad
[  444.893255]  ? __down_interruptible+0x700/0x700
[  444.897968]  ext4_filemap_fault+0x82/0xad
[  444.902137]  __do_fault+0x100/0x6b0
[  444.905804]  ? pmd_devmap_trans_unstable+0x220/0x220
[  444.910933]  ? mark_held_locks+0x130/0x130
[  444.915184]  ? mark_held_locks+0x130/0x130
[  444.919437]  ? __might_fault+0x12b/0x1e0
[  444.923550]  ? lock_downgrade+0x900/0x900
[  444.927802]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.933365]  __handle_mm_fault+0x3ea6/0x5be0
[  444.937825]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  444.942689]  ? kasan_check_read+0x11/0x20
[  444.946937]  ? _copy_to_user+0xc8/0x110
[  444.950934]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.956502]  ? zap_class+0x640/0x640
[  444.960230]  ? zap_class+0x640/0x640
[  444.963964]  ? find_held_lock+0x36/0x1c0
[  444.968049]  ? handle_mm_fault+0x42a/0xc70
[  444.972309]  ? lock_downgrade+0x900/0x900
[  444.976472]  ? check_preemption_disabled+0x48/0x280
[  444.981507]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  444.986540]  ? kasan_check_read+0x11/0x20
[  444.990702]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  444.995991]  ? rcu_softirq_qs+0x20/0x20
[  444.999979]  ? trace_hardirqs_off_caller+0x310/0x310
[  445.005306]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  445.010869]  ? check_preemption_disabled+0x48/0x280
[  445.015910]  handle_mm_fault+0x54f/0xc70
[  445.019998]  ? __handle_mm_fault+0x5be0/0x5be0
[  445.024601]  ? find_vma+0x34/0x190
[  445.028163]  __do_page_fault+0x5e8/0xe60
[  445.032244]  ? trace_hardirqs_off+0xb8/0x310
[  445.036672]  ? retint_kernel+0x2d/0x2d
[  445.040585]  do_page_fault+0xf2/0x7e0
[  445.044404]  ? vmalloc_sync_all+0x30/0x30
[  445.048573]  ? error_entry+0x70/0xd0
[  445.052305]  ? trace_hardirqs_off_caller+0xbb/0x310
[  445.057336]  ? trace_hardirqs_on_caller+0xc0/0x310
[  445.062290]  ? syscall_return_slowpath+0x5e0/0x5e0
[  445.067236]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  445.072097]  ? trace_hardirqs_on_caller+0x310/0x310
[  445.077125]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  445.082600]  ? prepare_exit_to_usermode+0x291/0x3b0
[  445.087630]  ? page_fault+0x8/0x30
[  445.091186]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  445.096051]  ? page_fault+0x8/0x30
[  445.099607]  page_fault+0x1e/0x30
[  445.103072] RIP: 0033:0x45d911
[  445.106295] Code: Bad RIP value.
[  445.109670] RSP: 002b:000000c420035f18 EFLAGS: 00010246
[  445.115044] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 000000000045d911
[  445.122323] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  445.129702] RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
[  445.136982] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  445.144315] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  445.151685] CPU: 0 PID: 11721 Comm: syz-executor5 Not tainted 4.19.0+ #74
[  445.151691] warn_alloc_show_mem: 1 callbacks suppressed
[  445.151698] Mem-Info:
[  445.158640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  445.164111] active_anon:50643 inactive_anon:847 isolated_anon:0
[  445.164111]  active_file:14 inactive_file:13 isolated_file:0
[  445.164111]  unevictable:0 dirty:0 writeback:0 unstable:0
[  445.164111]  slab_reclaimable:9230 slab_unreclaimable:1469886
[  445.164111]  mapped:49154 shmem:854 pagetables:629 bounce:0
[  445.164111]  free:13794 free_pcp:158 free_cma:0
[  445.166498] Call Trace:
[  445.175994] Node 0 active_anon:202572kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:3416kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  445.208852]  <IRQ>
[  445.211436] 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
[  445.239299]  dump_stack+0x244/0x39d
[  445.241439] lowmem_reserve[]: 0 2818 6321 6321
[  445.267711]  ? dump_stack_print_info.cold.1+0x20/0x20
[  445.271329] Node 0 DMA32 free:25280kB min:30052kB low:37564kB high:45076kB active_anon:236kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  445.276028]  warn_alloc.cold.116+0xb7/0x1bd
[  445.281195] lowmem_reserve[]: 0 0 3503 3503
[  445.308875]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  445.313185] Node 0 Normal free:13988kB min:37364kB low:46704kB high:56044kB active_anon:202336kB inactive_anon:3388kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2516kB bounce:0kB free_pcp:412kB local_pcp:252kB free_cma:0kB
[  445.317515]  ? lock_downgrade+0x900/0x900
[  445.322343] lowmem_reserve[]: 0 0 0 0
[  445.351390]  ? trace_hardirqs_off+0xb8/0x310
[  445.355533] 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
[  445.359346]  ? trace_hardirqs_off+0xb8/0x310
[  445.363738] Node 0 DMA32: 2*4kB (H) 3*8kB (UMH) 2*16kB (M) 2*32kB (MH) 5*64kB (MH) 4*128kB (M) 5*256kB (MH) 5*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 25280kB
[  445.377307]  __alloc_pages_slowpath+0x26e8/0x2e10
[  445.381704] Node 0 Normal: 737*4kB (UMEH) 442*8kB (UME) 213*16kB (UME) 70*32kB (UME) 7*64kB (UMH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13988kB
[  445.397188]  ? warn_alloc+0x120/0x120
[  445.401999] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  445.417425]  ? warn_alloc+0x120/0x120
[  445.421218] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  445.430055]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  445.433843] 881 total pagecache pages
[  445.442425]  ? warn_alloc+0x120/0x120
[  445.447438] 0 pages in swap cache
[  445.451238]  ? print_usage_bug+0xc0/0xc0
[  445.455027] Swap cache stats: add 0, delete 0, find 0/0
[  445.458487]  ? print_usage_bug+0xc0/0xc0
[  445.462598] Free swap  = 0kB
[  445.467971]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  445.472020] Total swap = 0kB
[  445.475052]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  445.480352] 1965979 pages RAM
[  445.483376]  ? should_fail+0x22d/0xd01
[  445.488894] 0 pages HighMem/MovableOnly
[  445.488902] 342858 pages reserved
[  445.492020]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  445.495890] 0 pages cma reserved
[  445.495962] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  445.499880]  ? __lock_acquire+0x62f/0x4c20
[  445.503583] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  445.508628]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  445.512071] syz-fuzzer cpuset=/ mems_allowed=0
[  445.518574]  ? should_fail+0x22d/0xd01
[  445.546712]  ? mark_held_locks+0x130/0x130
[  445.550970]  ? mark_held_locks+0x130/0x130
[  445.555276]  ? print_usage_bug+0xc0/0xc0
[  445.559359]  ? find_held_lock+0x36/0x1c0
[  445.563434]  ? zap_class+0x640/0x640
[  445.567170]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.572728]  ? check_preemption_disabled+0x48/0x280
[  445.577823]  ? __lock_is_held+0xb5/0x140
[  445.581906]  __alloc_pages_nodemask+0xa80/0xde0
[  445.586593]  ? zap_class+0x640/0x640
[  445.590329]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  445.595370]  ? find_held_lock+0x36/0x1c0
[  445.599547]  ? ____cache_alloc_node+0x1c7/0x1e0
[  445.604230]  ? lock_downgrade+0x900/0x900
[  445.608399]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.614012]  cache_grow_begin+0xa5/0x8c0
[  445.618111]  ? do_raw_spin_unlock+0xa7/0x330
[  445.622544]  fallback_alloc+0x204/0x2e0
[  445.626540]  ____cache_alloc_node+0x1c7/0x1e0
[  445.631059]  kmem_cache_alloc_node+0xe3/0x730
[  445.635627]  ? mark_held_locks+0xc7/0x130
[  445.639820]  __alloc_skb+0x119/0x770
[  445.643560]  ? netdev_alloc_frag+0x1f0/0x1f0
[  445.647981]  ? do_raw_spin_trylock+0x270/0x270
[  445.652577]  ? kmem_cache_alloc_trace+0x353/0x750
[  445.657442]  ? queue_work_on+0x12c/0x1e0
[  445.661525]  ? switchdev_port_obj_del+0xdc/0x440
[  445.666294]  ? switchdev_trans_item_enqueue+0x260/0x260
[  445.671679]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  445.676715]  __br_mdb_notify+0x4ff/0x15d0